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Merge topic 'import-jsoncpp' 

89cd3d27 jsoncpp: Add README-CMake.txt
7e310624 jsoncpp: Provide 'isfinite' implementation on Solaris
4c496065 jsoncpp: Provide 'isfinite' implementation on ancient glibc
50032bc8 jsoncpp: Add missing assert before strcmp in json_value.cpp
ad94b052 jsoncpp: Add missing <iosfwd> include in json/writer.h
7eba04fd jsoncpp: Include C headers since we use APIs without std::
06f41e98 jsoncpp: Disable warnings to avoid changing 3rd party code
1fc55653 jsoncpp: Build the library within CMake
84d5674d jsoncpp: Include "config.h" before system headers
a263d519 Merge branch 'jsoncpp-upstream' into import-jsoncpp
53f6ccb0 JsonCpp 1.0.0 (reduced)
32fd56b0 jsoncpp: Add .gitattributes to skip whitespace checks
This commit is contained in:
Brad King 2015-01-16 09:43:52 -05:00 committed by CMake Topic Stage
parent cc475e8129 89cd3d273d
commit 9d4ef58462
23 changed files with 6388 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
CMakeLists.txt
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@ -371,6 +371,11 @@ macro (CMAKE_BUILD_UTILITIES)
CMAKE_SET_TARGET_FOLDER(cmexpat "Utilities/3rdParty") CMAKE_SET_TARGET_FOLDER(cmexpat "Utilities/3rdParty")
endif() endif()
#---------------------------------------------------------------------
# Build jsoncpp library.
add_subdirectory(Utilities/cmjsoncpp)
CMAKE_SET_TARGET_FOLDER(cmjsoncpp "Utilities/3rdParty")
#--------------------------------------------------------------------- #---------------------------------------------------------------------
# Build XMLRPC library for CMake and CTest. # Build XMLRPC library for CMake and CTest.
if(CTEST_USE_XMLRPC) if(CTEST_USE_XMLRPC)

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2015 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cm_jsoncpp_reader_h
#define cm_jsoncpp_reader_h
/* Use the jsoncpp library configured for CMake. */
#include <cmjsoncpp/include/json/reader.h>
#endif

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* -whitespace

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project(JsonCpp CXX)
# Disable warnings to avoid changing 3rd party code.
if(CMAKE_CXX_COMPILER_ID MATCHES
"^(GNU|Clang|AppleClang|XL|VisualAge|SunPro|MIPSpro|HP|Intel)$")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "PathScale")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -woffall")
endif()
set(JSONCPP_SOURCES
src/lib_json/json_batchallocator.h
src/lib_json/json_reader.cpp
src/lib_json/json_tool.h
src/lib_json/json_value.cpp
src/lib_json/json_valueiterator.inl
src/lib_json/json_writer.cpp
)
include_directories(
${JsonCpp_SOURCE_DIR}/include
${KWSYS_HEADER_ROOT}
)
add_library(cmjsoncpp ${JSONCPP_SOURCES})

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The JsonCpp library's source code, including accompanying documentation,
tests and demonstration applications, are licensed under the following
conditions...
The author (Baptiste Lepilleur) explicitly disclaims copyright in all
jurisdictions which recognize such a disclaimer. In such jurisdictions,
this software is released into the Public Domain.
In jurisdictions which do not recognize Public Domain property (e.g. Germany as of
2010), this software is Copyright (c) 2007-2010 by Baptiste Lepilleur, and is
released under the terms of the MIT License (see below).
In jurisdictions which recognize Public Domain property, the user of this
software may choose to accept it either as 1) Public Domain, 2) under the
conditions of the MIT License (see below), or 3) under the terms of dual
Public Domain/MIT License conditions described here, as they choose.
The MIT License is about as close to Public Domain as a license can get, and is
described in clear, concise terms at:
http://en.wikipedia.org/wiki/MIT_License
The full text of the MIT License follows:
========================================================================
Copyright (c) 2007-2010 Baptiste Lepilleur
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
========================================================================
(END LICENSE TEXT)
The MIT license is compatible with both the GPL and commercial
software, affording one all of the rights of Public Domain with the
minor nuisance of being required to keep the above copyright notice
and license text in the source code. Note also that by accepting the
Public Domain "license" you can re-license your copy using whatever
license you like.

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The Utilities/cmjsoncpp directory contains a reduced distribution
of the jsoncpp source tree with only the library source code and
CMake build system. It is not a submodule; the actual content is part
of our source tree and changes can be made and committed directly.
We update from upstream using Git's "subtree" merge strategy. A
special branch contains commits of upstream jsoncpp snapshots and
nothing else. No Git ref points explicitly to the head of this
branch, but it is merged into our history.
Update jsoncpp from upstream as follows. Create a local branch to
explicitly reference the upstream snapshot branch head:
git branch jsoncpp-upstream 53f6ccb0
Use a temporary directory to checkout the branch:
mkdir jsoncpp-tmp
cd jsoncpp-tmp
git init
git pull .. jsoncpp-upstream
rm -rf *
Now place the (reduced) jsoncpp content in this directory. See
instructions shown by
git log 53f6ccb0
for help extracting the content from the upstream svn repo. Then run
the following commands to commit the new version. Substitute the
appropriate date and version number:
git add --all
GIT_AUTHOR_NAME='JsonCpp Upstream' \
GIT_AUTHOR_EMAIL='kwrobot@kitware.com' \
GIT_AUTHOR_DATE='Thu Nov 20 08:45:58 2014 -0600' \
git commit -m 'JsonCpp 1.0.0 (reduced)' &&
git commit --amend
Edit the commit message to describe the procedure used to obtain the
content. Then push the changes back up to the main local repository:
git push .. HEAD:jsoncpp-upstream
cd ..
rm -rf jsoncpp-tmp
Create a topic in the main repository on which to perform the update:
git checkout -b update-jsoncpp master
Merge the jsoncpp-upstream branch as a subtree:
git merge -s recursive -X subtree=Utilities/cmjsoncpp \
jsoncpp-upstream
If there are conflicts, resolve them and commit. Build and test the
tree. Commit any additional changes needed to succeed.
Finally, run
git rev-parse --short=8 jsoncpp-upstream
to get the commit from which the jsoncpp-upstream branch must be started
on the next update. Edit the "git branch jsoncpp-upstream" line above to
record it, and commit this file.

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef CPPTL_JSON_ASSERTIONS_H_INCLUDED
#define CPPTL_JSON_ASSERTIONS_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
#include "config.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <stdlib.h>
#if JSON_USE_EXCEPTION
#include <stdexcept>
#define JSON_ASSERT(condition) \
assert(condition); // @todo <= change this into an exception throw
#define JSON_FAIL_MESSAGE(message) throw std::runtime_error(message);
#else // JSON_USE_EXCEPTION
#define JSON_ASSERT(condition) assert(condition);
// The call to assert() will show the failure message in debug builds. In
// release bugs we write to invalid memory in order to crash hard, so that a
// debugger or crash reporter gets the chance to take over. We still call exit()
// afterward in order to tell the compiler that this macro doesn't return.
#define JSON_FAIL_MESSAGE(message) \
{ \
assert(false&& message); \
strcpy(reinterpret_cast<char*>(666), message); \
exit(123); \
}
#endif
#define JSON_ASSERT_MESSAGE(condition, message) \
if (!(condition)) { \
JSON_FAIL_MESSAGE(message) \
}
#endif // CPPTL_JSON_ASSERTIONS_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_CONFIG_H_INCLUDED
#define JSON_CONFIG_H_INCLUDED
// Include KWSys Large File Support configuration.
#include <cmsys/Configure.h>
#if defined(_MSC_VER)
# pragma warning(push,1)
#endif
/// If defined, indicates that json library is embedded in CppTL library.
//# define JSON_IN_CPPTL 1
/// If defined, indicates that json may leverage CppTL library
//# define JSON_USE_CPPTL 1
/// If defined, indicates that cpptl vector based map should be used instead of
/// std::map
/// as Value container.
//# define JSON_USE_CPPTL_SMALLMAP 1
/// If defined, indicates that Json specific container should be used
/// (hash table & simple deque container with customizable allocator).
/// THIS FEATURE IS STILL EXPERIMENTAL! There is know bugs: See #3177332
//# define JSON_VALUE_USE_INTERNAL_MAP 1
/// Force usage of standard new/malloc based allocator instead of memory pool
/// based allocator.
/// The memory pools allocator used optimization (initializing Value and
/// ValueInternalLink
/// as if it was a POD) that may cause some validation tool to report errors.
/// Only has effects if JSON_VALUE_USE_INTERNAL_MAP is defined.
//# define JSON_USE_SIMPLE_INTERNAL_ALLOCATOR 1
// If non-zero, the library uses exceptions to report bad input instead of C
// assertion macros. The default is to use exceptions.
#ifndef JSON_USE_EXCEPTION
#define JSON_USE_EXCEPTION 1
#endif
/// If defined, indicates that the source file is amalgated
/// to prevent private header inclusion.
/// Remarks: it is automatically defined in the generated amalgated header.
// #define JSON_IS_AMALGAMATION
#ifdef JSON_IN_CPPTL
#include <cpptl/config.h>
#ifndef JSON_USE_CPPTL
#define JSON_USE_CPPTL 1
#endif
#endif
#ifdef JSON_IN_CPPTL
#define JSON_API CPPTL_API
#elif defined(JSON_DLL_BUILD)
#if defined(_MSC_VER)
#define JSON_API __declspec(dllexport)
#define JSONCPP_DISABLE_DLL_INTERFACE_WARNING
#endif // if defined(_MSC_VER)
#elif defined(JSON_DLL)
#if defined(_MSC_VER)
#define JSON_API __declspec(dllimport)
#define JSONCPP_DISABLE_DLL_INTERFACE_WARNING
#endif // if defined(_MSC_VER)
#endif // ifdef JSON_IN_CPPTL
#if !defined(JSON_API)
#define JSON_API
#endif
// If JSON_NO_INT64 is defined, then Json only support C++ "int" type for
// integer
// Storages, and 64 bits integer support is disabled.
// #define JSON_NO_INT64 1
#if defined(_MSC_VER) && _MSC_VER <= 1200 // MSVC 6
// Microsoft Visual Studio 6 only support conversion from __int64 to double
// (no conversion from unsigned __int64).
#define JSON_USE_INT64_DOUBLE_CONVERSION 1
// Disable warning 4786 for VS6 caused by STL (identifier was truncated to '255'
// characters in the debug information)
// All projects I've ever seen with VS6 were using this globally (not bothering
// with pragma push/pop).
#pragma warning(disable : 4786)
#endif // if defined(_MSC_VER) && _MSC_VER < 1200 // MSVC 6
#if defined(_MSC_VER) && _MSC_VER >= 1500 // MSVC 2008
/// Indicates that the following function is deprecated.
#define JSONCPP_DEPRECATED(message) __declspec(deprecated(message))
#endif
#if !defined(JSONCPP_DEPRECATED)
#define JSONCPP_DEPRECATED(message)
#endif // if !defined(JSONCPP_DEPRECATED)
namespace Json {
typedef int Int;
typedef unsigned int UInt;
#if defined(JSON_NO_INT64)
typedef int LargestInt;
typedef unsigned int LargestUInt;
#undef JSON_HAS_INT64
#else // if defined(JSON_NO_INT64)
// For Microsoft Visual use specific types as long long is not supported
#if defined(_MSC_VER) // Microsoft Visual Studio
typedef __int64 Int64;
typedef unsigned __int64 UInt64;
#else // if defined(_MSC_VER) // Other platforms, use long long
typedef long long int Int64;
typedef unsigned long long int UInt64;
#endif // if defined(_MSC_VER)
typedef Int64 LargestInt;
typedef UInt64 LargestUInt;
#define JSON_HAS_INT64
#endif // if defined(JSON_NO_INT64)
} // end namespace Json
#endif // JSON_CONFIG_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef CPPTL_JSON_FEATURES_H_INCLUDED
#define CPPTL_JSON_FEATURES_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
#include "forwards.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
namespace Json {
/** \brief Configuration passed to reader and writer.
* This configuration object can be used to force the Reader or Writer
* to behave in a standard conforming way.
*/
class JSON_API Features {
public:
/** \brief A configuration that allows all features and assumes all strings
* are UTF-8.
* - C & C++ comments are allowed
* - Root object can be any JSON value
* - Assumes Value strings are encoded in UTF-8
*/
static Features all();
/** \brief A configuration that is strictly compatible with the JSON
* specification.
* - Comments are forbidden.
* - Root object must be either an array or an object value.
* - Assumes Value strings are encoded in UTF-8
*/
static Features strictMode();
/** \brief Initialize the configuration like JsonConfig::allFeatures;
*/
Features();
/// \c true if comments are allowed. Default: \c true.
bool allowComments_;
/// \c true if root must be either an array or an object value. Default: \c
/// false.
bool strictRoot_;
/// \c true if dropped null placeholders are allowed. Default: \c false.
bool allowDroppedNullPlaceholders_;
/// \c true if numeric object key are allowed. Default: \c false.
bool allowNumericKeys_;
};
} // namespace Json
#endif // CPPTL_JSON_FEATURES_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_FORWARDS_H_INCLUDED
#define JSON_FORWARDS_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
#include "config.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
namespace Json {
// writer.h
class FastWriter;
class StyledWriter;
// reader.h
class Reader;
// features.h
class Features;
// value.h
typedef unsigned int ArrayIndex;
class StaticString;
class Path;
class PathArgument;
class Value;
class ValueIteratorBase;
class ValueIterator;
class ValueConstIterator;
#ifdef JSON_VALUE_USE_INTERNAL_MAP
class ValueMapAllocator;
class ValueInternalLink;
class ValueInternalArray;
class ValueInternalMap;
#endif // #ifdef JSON_VALUE_USE_INTERNAL_MAP
} // namespace Json
#endif // JSON_FORWARDS_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_JSON_H_INCLUDED
#define JSON_JSON_H_INCLUDED
#include "value.h"
#include "reader.h"
#include "writer.h"
#include "features.h"
#endif // JSON_JSON_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef CPPTL_JSON_READER_H_INCLUDED
#define CPPTL_JSON_READER_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
#include "features.h"
#include "value.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <deque>
#include <iosfwd>
#include <stack>
#include <string>
// Disable warning C4251: <data member>: <type> needs to have dll-interface to
// be used by...
#if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
#pragma warning(push)
#pragma warning(disable : 4251)
#endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
namespace Json {
/** \brief Unserialize a <a HREF="http://www.json.org">JSON</a> document into a
*Value.
*
*/
class JSON_API Reader {
public:
typedef char Char;
typedef const Char* Location;
/** \brief An error tagged with where in the JSON text it was encountered.
*
* The offsets give the [start, limit) range of bytes within the text. Note
* that this is bytes, not codepoints.
*
*/
struct StructuredError {
size_t offset_start;
size_t offset_limit;
std::string message;
};
/** \brief Constructs a Reader allowing all features
* for parsing.
*/
Reader();
/** \brief Constructs a Reader allowing the specified feature set
* for parsing.
*/
Reader(const Features& features);
/** \brief Read a Value from a <a HREF="http://www.json.org">JSON</a>
* document.
* \param document UTF-8 encoded string containing the document to read.
* \param root [out] Contains the root value of the document if it was
* successfully parsed.
* \param collectComments \c true to collect comment and allow writing them
* back during
* serialization, \c false to discard comments.
* This parameter is ignored if
* Features::allowComments_
* is \c false.
* \return \c true if the document was successfully parsed, \c false if an
* error occurred.
*/
bool
parse(const std::string& document, Value& root, bool collectComments = true);
/** \brief Read a Value from a <a HREF="http://www.json.org">JSON</a>
document.
* \param beginDoc Pointer on the beginning of the UTF-8 encoded string of the
document to read.
* \param endDoc Pointer on the end of the UTF-8 encoded string of the
document to read.
\ Must be >= beginDoc.
* \param root [out] Contains the root value of the document if it was
* successfully parsed.
* \param collectComments \c true to collect comment and allow writing them
back during
* serialization, \c false to discard comments.
* This parameter is ignored if
Features::allowComments_
* is \c false.
* \return \c true if the document was successfully parsed, \c false if an
error occurred.
*/
bool parse(const char* beginDoc,
const char* endDoc,
Value& root,
bool collectComments = true);
/// \brief Parse from input stream.
/// \see Json::operator>>(std::istream&, Json::Value&).
bool parse(std::istream& is, Value& root, bool collectComments = true);
/** \brief Returns a user friendly string that list errors in the parsed
* document.
* \return Formatted error message with the list of errors with their location
* in
* the parsed document. An empty string is returned if no error
* occurred
* during parsing.
* \deprecated Use getFormattedErrorMessages() instead (typo fix).
*/
JSONCPP_DEPRECATED("Use getFormattedErrorMessages instead")
std::string getFormatedErrorMessages() const;
/** \brief Returns a user friendly string that list errors in the parsed
* document.
* \return Formatted error message with the list of errors with their location
* in
* the parsed document. An empty string is returned if no error
* occurred
* during parsing.
*/
std::string getFormattedErrorMessages() const;
/** \brief Returns a vector of structured erros encounted while parsing.
* \return A (possibly empty) vector of StructuredError objects. Currently
* only one error can be returned, but the caller should tolerate
* multiple
* errors. This can occur if the parser recovers from a non-fatal
* parse error and then encounters additional errors.
*/
std::vector<StructuredError> getStructuredErrors() const;
/** \brief Add a semantic error message.
* \param value JSON Value location associated with the error
* \param message The error message.
* \return \c true if the error was successfully added, \c false if the
* Value offset exceeds the document size.
*/
bool pushError(const Value& value, const std::string& message);
/** \brief Add a semantic error message with extra context.
* \param value JSON Value location associated with the error
* \param message The error message.
* \param extra Additional JSON Value location to contextualize the error
* \return \c true if the error was successfully added, \c false if either
* Value offset exceeds the document size.
*/
bool pushError(const Value& value, const std::string& message, const Value& extra);
/** \brief Return whether there are any errors.
* \return \c true if there are no errors to report \c false if
* errors have occurred.
*/
bool good() const;
private:
enum TokenType {
tokenEndOfStream = 0,
tokenObjectBegin,
tokenObjectEnd,
tokenArrayBegin,
tokenArrayEnd,
tokenString,
tokenNumber,
tokenTrue,
tokenFalse,
tokenNull,
tokenArraySeparator,
tokenMemberSeparator,
tokenComment,
tokenError
};
class Token {
public:
TokenType type_;
Location start_;
Location end_;
};
class ErrorInfo {
public:
Token token_;
std::string message_;
Location extra_;
};
typedef std::deque<ErrorInfo> Errors;
bool expectToken(TokenType type, Token& token, const char* message);
bool readToken(Token& token);
void skipSpaces();
bool match(Location pattern, int patternLength);
bool readComment();
bool readCStyleComment();
bool readCppStyleComment();
bool readString();
void readNumber();
bool readValue();
bool readObject(Token& token);
bool readArray(Token& token);
bool decodeNumber(Token& token);
bool decodeNumber(Token& token, Value& decoded);
bool decodeString(Token& token);
bool decodeString(Token& token, std::string& decoded);
bool decodeDouble(Token& token);
bool decodeDouble(Token& token, Value& decoded);
bool decodeUnicodeCodePoint(Token& token,
Location& current,
Location end,
unsigned int& unicode);
bool decodeUnicodeEscapeSequence(Token& token,
Location& current,
Location end,
unsigned int& unicode);
bool addError(const std::string& message, Token& token, Location extra = 0);
bool recoverFromError(TokenType skipUntilToken);
bool addErrorAndRecover(const std::string& message,
Token& token,
TokenType skipUntilToken);
void skipUntilSpace();
Value& currentValue();
Char getNextChar();
void
getLocationLineAndColumn(Location location, int& line, int& column) const;
std::string getLocationLineAndColumn(Location location) const;
void addComment(Location begin, Location end, CommentPlacement placement);
void skipCommentTokens(Token& token);
typedef std::stack<Value*> Nodes;
Nodes nodes_;
Errors errors_;
std::string document_;
Location begin_;
Location end_;
Location current_;
Location lastValueEnd_;
Value* lastValue_;
std::string commentsBefore_;
Features features_;
bool collectComments_;
};
/** \brief Read from 'sin' into 'root'.
Always keep comments from the input JSON.
This can be used to read a file into a particular sub-object.
For example:
\code
Json::Value root;
cin >> root["dir"]["file"];
cout << root;
\endcode
Result:
\verbatim
{
"dir": {
"file": {
// The input stream JSON would be nested here.
}
}
}
\endverbatim
\throw std::exception on parse error.
\see Json::operator<<()
*/
JSON_API std::istream& operator>>(std::istream&, Value&);
} // namespace Json
#if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
#pragma warning(pop)
#endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
#endif // CPPTL_JSON_READER_H_INCLUDED

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// DO NOT EDIT. This file is generated by CMake from "version"
// and "version.h.in" files.
// Run CMake configure step to update it.
#ifndef JSON_VERSION_H_INCLUDED
# define JSON_VERSION_H_INCLUDED
# define JSONCPP_VERSION_STRING "1.0.0"
# define JSONCPP_VERSION_MAJOR 1
# define JSONCPP_VERSION_MINOR 0
# define JSONCPP_VERSION_PATCH 0
# define JSONCPP_VERSION_QUALIFIER
# define JSONCPP_VERSION_HEXA ((JSONCPP_VERSION_MAJOR << 24) | (JSONCPP_VERSION_MINOR << 16) | (JSONCPP_VERSION_PATCH << 8))
#endif // JSON_VERSION_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_WRITER_H_INCLUDED
#define JSON_WRITER_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
#include "value.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <iosfwd>
#include <vector>
#include <string>
// Disable warning C4251: <data member>: <type> needs to have dll-interface to
// be used by...
#if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
#pragma warning(push)
#pragma warning(disable : 4251)
#endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
namespace Json {
class Value;
/** \brief Abstract class for writers.
*/
class JSON_API Writer {
public:
virtual ~Writer();
virtual std::string write(const Value& root) = 0;
};
/** \brief Outputs a Value in <a HREF="http://www.json.org">JSON</a> format
*without formatting (not human friendly).
*
* The JSON document is written in a single line. It is not intended for 'human'
*consumption,
* but may be usefull to support feature such as RPC where bandwith is limited.
* \sa Reader, Value
*/
class JSON_API FastWriter : public Writer {
public:
FastWriter();
virtual ~FastWriter() {}
void enableYAMLCompatibility();
/** \brief Drop the "null" string from the writer's output for nullValues.
* Strictly speaking, this is not valid JSON. But when the output is being
* fed to a browser's Javascript, it makes for smaller output and the
* browser can handle the output just fine.
*/
void dropNullPlaceholders();
void omitEndingLineFeed();
public: // overridden from Writer
virtual std::string write(const Value& root);
private:
void writeValue(const Value& value);
std::string document_;
bool yamlCompatiblityEnabled_;
bool dropNullPlaceholders_;
bool omitEndingLineFeed_;
};
/** \brief Writes a Value in <a HREF="http://www.json.org">JSON</a> format in a
*human friendly way.
*
* The rules for line break and indent are as follow:
* - Object value:
* - if empty then print {} without indent and line break
* - if not empty the print '{', line break & indent, print one value per
*line
* and then unindent and line break and print '}'.
* - Array value:
* - if empty then print [] without indent and line break
* - if the array contains no object value, empty array or some other value
*types,
* and all the values fit on one lines, then print the array on a single
*line.
* - otherwise, it the values do not fit on one line, or the array contains
* object or non empty array, then print one value per line.
*
* If the Value have comments then they are outputed according to their
*#CommentPlacement.
*
* \sa Reader, Value, Value::setComment()
*/
class JSON_API StyledWriter : public Writer {
public:
StyledWriter();
virtual ~StyledWriter() {}
public: // overridden from Writer
/** \brief Serialize a Value in <a HREF="http://www.json.org">JSON</a> format.
* \param root Value to serialize.
* \return String containing the JSON document that represents the root value.
*/
virtual std::string write(const Value& root);
private:
void writeValue(const Value& value);
void writeArrayValue(const Value& value);
bool isMultineArray(const Value& value);
void pushValue(const std::string& value);
void writeIndent();
void writeWithIndent(const std::string& value);
void indent();
void unindent();
void writeCommentBeforeValue(const Value& root);
void writeCommentAfterValueOnSameLine(const Value& root);
bool hasCommentForValue(const Value& value);
static std::string normalizeEOL(const std::string& text);
typedef std::vector<std::string> ChildValues;
ChildValues childValues_;
std::string document_;
std::string indentString_;
int rightMargin_;
int indentSize_;
bool addChildValues_;
};
/** \brief Writes a Value in <a HREF="http://www.json.org">JSON</a> format in a
human friendly way,
to a stream rather than to a string.
*
* The rules for line break and indent are as follow:
* - Object value:
* - if empty then print {} without indent and line break
* - if not empty the print '{', line break & indent, print one value per
line
* and then unindent and line break and print '}'.
* - Array value:
* - if empty then print [] without indent and line break
* - if the array contains no object value, empty array or some other value
types,
* and all the values fit on one lines, then print the array on a single
line.
* - otherwise, it the values do not fit on one line, or the array contains
* object or non empty array, then print one value per line.
*
* If the Value have comments then they are outputed according to their
#CommentPlacement.
*
* \param indentation Each level will be indented by this amount extra.
* \sa Reader, Value, Value::setComment()
*/
class JSON_API StyledStreamWriter {
public:
StyledStreamWriter(std::string indentation = "\t");
~StyledStreamWriter() {}
public:
/** \brief Serialize a Value in <a HREF="http://www.json.org">JSON</a> format.
* \param out Stream to write to. (Can be ostringstream, e.g.)
* \param root Value to serialize.
* \note There is no point in deriving from Writer, since write() should not
* return a value.
*/
void write(std::ostream& out, const Value& root);
private:
void writeValue(const Value& value);
void writeArrayValue(const Value& value);
bool isMultineArray(const Value& value);
void pushValue(const std::string& value);
void writeIndent();
void writeWithIndent(const std::string& value);
void indent();
void unindent();
void writeCommentBeforeValue(const Value& root);
void writeCommentAfterValueOnSameLine(const Value& root);
bool hasCommentForValue(const Value& value);
static std::string normalizeEOL(const std::string& text);
typedef std::vector<std::string> ChildValues;
ChildValues childValues_;
std::ostream* document_;
std::string indentString_;
int rightMargin_;
std::string indentation_;
bool addChildValues_;
};
#if defined(JSON_HAS_INT64)
std::string JSON_API valueToString(Int value);
std::string JSON_API valueToString(UInt value);
#endif // if defined(JSON_HAS_INT64)
std::string JSON_API valueToString(LargestInt value);
std::string JSON_API valueToString(LargestUInt value);
std::string JSON_API valueToString(double value);
std::string JSON_API valueToString(bool value);
std::string JSON_API valueToQuotedString(const char* value);
/// \brief Output using the StyledStreamWriter.
/// \see Json::operator>>()
JSON_API std::ostream& operator<<(std::ostream&, const Value& root);
} // namespace Json
#if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
#pragma warning(pop)
#endif // if defined(JSONCPP_DISABLE_DLL_INTERFACE_WARNING)
#endif // JSON_WRITER_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSONCPP_BATCHALLOCATOR_H_INCLUDED
#define JSONCPP_BATCHALLOCATOR_H_INCLUDED
#include <stdlib.h>
#include <assert.h>
#ifndef JSONCPP_DOC_EXCLUDE_IMPLEMENTATION
namespace Json {
/* Fast memory allocator.
*
* This memory allocator allocates memory for a batch of object (specified by
* the page size, the number of object in each page).
*
* It does not allow the destruction of a single object. All the allocated
* objects can be destroyed at once. The memory can be either released or reused
* for future allocation.
*
* The in-place new operator must be used to construct the object using the
* pointer returned by allocate.
*/
template <typename AllocatedType, const unsigned int objectPerAllocation>
class BatchAllocator {
public:
BatchAllocator(unsigned int objectsPerPage = 255)
: freeHead_(0), objectsPerPage_(objectsPerPage) {
// printf( "Size: %d => %s\n", sizeof(AllocatedType),
// typeid(AllocatedType).name() );
assert(sizeof(AllocatedType) * objectPerAllocation >=
sizeof(AllocatedType*)); // We must be able to store a slist in the
// object free space.
assert(objectsPerPage >= 16);
batches_ = allocateBatch(0); // allocated a dummy page
currentBatch_ = batches_;
}
~BatchAllocator() {
for (BatchInfo* batch = batches_; batch;) {
BatchInfo* nextBatch = batch->next_;
free(batch);
batch = nextBatch;
}
}
/// allocate space for an array of objectPerAllocation object.
/// @warning it is the responsability of the caller to call objects
/// constructors.
AllocatedType* allocate() {
if (freeHead_) // returns node from free list.
{
AllocatedType* object = freeHead_;
freeHead_ = *(AllocatedType**)object;
return object;
}
if (currentBatch_->used_ == currentBatch_->end_) {
currentBatch_ = currentBatch_->next_;
while (currentBatch_ && currentBatch_->used_ == currentBatch_->end_)
currentBatch_ = currentBatch_->next_;
if (!currentBatch_) // no free batch found, allocate a new one
{
currentBatch_ = allocateBatch(objectsPerPage_);
currentBatch_->next_ = batches_; // insert at the head of the list
batches_ = currentBatch_;
}
}
AllocatedType* allocated = currentBatch_->used_;
currentBatch_->used_ += objectPerAllocation;
return allocated;
}
/// Release the object.
/// @warning it is the responsability of the caller to actually destruct the
/// object.
void release(AllocatedType* object) {
assert(object != 0);
*(AllocatedType**)object = freeHead_;
freeHead_ = object;
}
private:
struct BatchInfo {
BatchInfo* next_;
AllocatedType* used_;
AllocatedType* end_;
AllocatedType buffer_[objectPerAllocation];
};
// disabled copy constructor and assignement operator.
BatchAllocator(const BatchAllocator&);
void operator=(const BatchAllocator&);
static BatchInfo* allocateBatch(unsigned int objectsPerPage) {
const unsigned int mallocSize =
sizeof(BatchInfo) - sizeof(AllocatedType) * objectPerAllocation +
sizeof(AllocatedType) * objectPerAllocation * objectsPerPage;
BatchInfo* batch = static_cast<BatchInfo*>(malloc(mallocSize));
batch->next_ = 0;
batch->used_ = batch->buffer_;
batch->end_ = batch->buffer_ + objectsPerPage;
return batch;
}
BatchInfo* batches_;
BatchInfo* currentBatch_;
/// Head of a single linked list within the allocated space of freeed object
AllocatedType* freeHead_;
unsigned int objectsPerPage_;
};
} // namespace Json
#endif // ifndef JSONCPP_DOC_INCLUDE_IMPLEMENTATION
#endif // JSONCPP_BATCHALLOCATOR_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
// included by json_value.cpp
namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueInternalArray
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueArrayAllocator::~ValueArrayAllocator() {}
// //////////////////////////////////////////////////////////////////
// class DefaultValueArrayAllocator
// //////////////////////////////////////////////////////////////////
#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
class DefaultValueArrayAllocator : public ValueArrayAllocator {
public: // overridden from ValueArrayAllocator
virtual ~DefaultValueArrayAllocator() {}
virtual ValueInternalArray* newArray() { return new ValueInternalArray(); }
virtual ValueInternalArray* newArrayCopy(const ValueInternalArray& other) {
return new ValueInternalArray(other);
}
virtual void destructArray(ValueInternalArray* array) { delete array; }
virtual void
reallocateArrayPageIndex(Value**& indexes,
ValueInternalArray::PageIndex& indexCount,
ValueInternalArray::PageIndex minNewIndexCount) {
ValueInternalArray::PageIndex newIndexCount = (indexCount * 3) / 2 + 1;
if (minNewIndexCount > newIndexCount)
newIndexCount = minNewIndexCount;
void* newIndexes = realloc(indexes, sizeof(Value*) * newIndexCount);
JSON_ASSERT_MESSAGE(newIndexes, "Couldn't realloc.");
indexCount = newIndexCount;
indexes = static_cast<Value**>(newIndexes);
}
virtual void releaseArrayPageIndex(Value** indexes,
ValueInternalArray::PageIndex indexCount) {
if (indexes)
free(indexes);
}
virtual Value* allocateArrayPage() {
return static_cast<Value*>(
malloc(sizeof(Value) * ValueInternalArray::itemsPerPage));
}
virtual void releaseArrayPage(Value* value) {
if (value)
free(value);
}
};
#else // #ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
/// @todo make this thread-safe (lock when accessign batch allocator)
class DefaultValueArrayAllocator : public ValueArrayAllocator {
public: // overridden from ValueArrayAllocator
virtual ~DefaultValueArrayAllocator() {}
virtual ValueInternalArray* newArray() {
ValueInternalArray* array = arraysAllocator_.allocate();
new (array) ValueInternalArray(); // placement new
return array;
}
virtual ValueInternalArray* newArrayCopy(const ValueInternalArray& other) {
ValueInternalArray* array = arraysAllocator_.allocate();
new (array) ValueInternalArray(other); // placement new
return array;
}
virtual void destructArray(ValueInternalArray* array) {
if (array) {
array->~ValueInternalArray();
arraysAllocator_.release(array);
}
}
virtual void
reallocateArrayPageIndex(Value**& indexes,
ValueInternalArray::PageIndex& indexCount,
ValueInternalArray::PageIndex minNewIndexCount) {
ValueInternalArray::PageIndex newIndexCount = (indexCount * 3) / 2 + 1;
if (minNewIndexCount > newIndexCount)
newIndexCount = minNewIndexCount;
void* newIndexes = realloc(indexes, sizeof(Value*) * newIndexCount);
JSON_ASSERT_MESSAGE(newIndexes, "Couldn't realloc.");
indexCount = newIndexCount;
indexes = static_cast<Value**>(newIndexes);
}
virtual void releaseArrayPageIndex(Value** indexes,
ValueInternalArray::PageIndex indexCount) {
if (indexes)
free(indexes);
}
virtual Value* allocateArrayPage() {
return static_cast<Value*>(pagesAllocator_.allocate());
}
virtual void releaseArrayPage(Value* value) {
if (value)
pagesAllocator_.release(value);
}
private:
BatchAllocator<ValueInternalArray, 1> arraysAllocator_;
BatchAllocator<Value, ValueInternalArray::itemsPerPage> pagesAllocator_;
};
#endif // #ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
static ValueArrayAllocator*& arrayAllocator() {
static DefaultValueArrayAllocator defaultAllocator;
static ValueArrayAllocator* arrayAllocator = &defaultAllocator;
return arrayAllocator;
}
static struct DummyArrayAllocatorInitializer {
DummyArrayAllocatorInitializer() {
arrayAllocator(); // ensure arrayAllocator() statics are initialized before
// main().
}
} dummyArrayAllocatorInitializer;
// //////////////////////////////////////////////////////////////////
// class ValueInternalArray
// //////////////////////////////////////////////////////////////////
bool ValueInternalArray::equals(const IteratorState& x,
const IteratorState& other) {
return x.array_ == other.array_ &&
x.currentItemIndex_ == other.currentItemIndex_ &&
x.currentPageIndex_ == other.currentPageIndex_;
}
void ValueInternalArray::increment(IteratorState& it) {
JSON_ASSERT_MESSAGE(
it.array_ && (it.currentPageIndex_ - it.array_->pages_) * itemsPerPage +
it.currentItemIndex_ !=
it.array_->size_,
"ValueInternalArray::increment(): moving iterator beyond end");
++(it.currentItemIndex_);
if (it.currentItemIndex_ == itemsPerPage) {
it.currentItemIndex_ = 0;
++(it.currentPageIndex_);
}
}
void ValueInternalArray::decrement(IteratorState& it) {
JSON_ASSERT_MESSAGE(
it.array_ && it.currentPageIndex_ == it.array_->pages_ &&
it.currentItemIndex_ == 0,
"ValueInternalArray::decrement(): moving iterator beyond end");
if (it.currentItemIndex_ == 0) {
it.currentItemIndex_ = itemsPerPage - 1;
--(it.currentPageIndex_);
} else {
--(it.currentItemIndex_);
}
}
Value& ValueInternalArray::unsafeDereference(const IteratorState& it) {
return (*(it.currentPageIndex_))[it.currentItemIndex_];
}
Value& ValueInternalArray::dereference(const IteratorState& it) {
JSON_ASSERT_MESSAGE(
it.array_ && (it.currentPageIndex_ - it.array_->pages_) * itemsPerPage +
it.currentItemIndex_ <
it.array_->size_,
"ValueInternalArray::dereference(): dereferencing invalid iterator");
return unsafeDereference(it);
}
void ValueInternalArray::makeBeginIterator(IteratorState& it) const {
it.array_ = const_cast<ValueInternalArray*>(this);
it.currentItemIndex_ = 0;
it.currentPageIndex_ = pages_;
}
void ValueInternalArray::makeIterator(IteratorState& it,
ArrayIndex index) const {
it.array_ = const_cast<ValueInternalArray*>(this);
it.currentItemIndex_ = index % itemsPerPage;
it.currentPageIndex_ = pages_ + index / itemsPerPage;
}
void ValueInternalArray::makeEndIterator(IteratorState& it) const {
makeIterator(it, size_);
}
ValueInternalArray::ValueInternalArray() : pages_(0), size_(0), pageCount_(0) {}
ValueInternalArray::ValueInternalArray(const ValueInternalArray& other)
: pages_(0), size_(other.size_), pageCount_(0) {
PageIndex minNewPages = other.size_ / itemsPerPage;
arrayAllocator()->reallocateArrayPageIndex(pages_, pageCount_, minNewPages);
JSON_ASSERT_MESSAGE(pageCount_ >= minNewPages,
"ValueInternalArray::reserve(): bad reallocation");
IteratorState itOther;
other.makeBeginIterator(itOther);
Value* value;
for (ArrayIndex index = 0; index < size_; ++index, increment(itOther)) {
if (index % itemsPerPage == 0) {
PageIndex pageIndex = index / itemsPerPage;
value = arrayAllocator()->allocateArrayPage();
pages_[pageIndex] = value;
}
new (value) Value(dereference(itOther));
}
}
ValueInternalArray& ValueInternalArray::operator=(ValueInternalArray other) {
swap(other);
return *this;
}
ValueInternalArray::~ValueInternalArray() {
// destroy all constructed items
IteratorState it;
IteratorState itEnd;
makeBeginIterator(it);
makeEndIterator(itEnd);
for (; !equals(it, itEnd); increment(it)) {
Value* value = &dereference(it);
value->~Value();
}
// release all pages
PageIndex lastPageIndex = size_ / itemsPerPage;
for (PageIndex pageIndex = 0; pageIndex < lastPageIndex; ++pageIndex)
arrayAllocator()->releaseArrayPage(pages_[pageIndex]);
// release pages index
arrayAllocator()->releaseArrayPageIndex(pages_, pageCount_);
}
void ValueInternalArray::swap(ValueInternalArray& other) {
Value** tempPages = pages_;
pages_ = other.pages_;
other.pages_ = tempPages;
ArrayIndex tempSize = size_;
size_ = other.size_;
other.size_ = tempSize;
PageIndex tempPageCount = pageCount_;
pageCount_ = other.pageCount_;
other.pageCount_ = tempPageCount;
}
void ValueInternalArray::clear() {
ValueInternalArray dummy;
swap(dummy);
}
void ValueInternalArray::resize(ArrayIndex newSize) {
if (newSize == 0)
clear();
else if (newSize < size_) {
IteratorState it;
IteratorState itEnd;
makeIterator(it, newSize);
makeIterator(itEnd, size_);
for (; !equals(it, itEnd); increment(it)) {
Value* value = &dereference(it);
value->~Value();
}
PageIndex pageIndex = (newSize + itemsPerPage - 1) / itemsPerPage;
PageIndex lastPageIndex = size_ / itemsPerPage;
for (; pageIndex < lastPageIndex; ++pageIndex)
arrayAllocator()->releaseArrayPage(pages_[pageIndex]);
size_ = newSize;
} else if (newSize > size_)
resolveReference(newSize);
}
void ValueInternalArray::makeIndexValid(ArrayIndex index) {
// Need to enlarge page index ?
if (index >= pageCount_ * itemsPerPage) {
PageIndex minNewPages = (index + 1) / itemsPerPage;
arrayAllocator()->reallocateArrayPageIndex(pages_, pageCount_, minNewPages);
JSON_ASSERT_MESSAGE(pageCount_ >= minNewPages,
"ValueInternalArray::reserve(): bad reallocation");
}
// Need to allocate new pages ?
ArrayIndex nextPageIndex = (size_ % itemsPerPage) != 0
? size_ - (size_ % itemsPerPage) + itemsPerPage
: size_;
if (nextPageIndex <= index) {
PageIndex pageIndex = nextPageIndex / itemsPerPage;
PageIndex pageToAllocate = (index - nextPageIndex) / itemsPerPage + 1;
for (; pageToAllocate-- > 0; ++pageIndex)
pages_[pageIndex] = arrayAllocator()->allocateArrayPage();
}
// Initialize all new entries
IteratorState it;
IteratorState itEnd;
makeIterator(it, size_);
size_ = index + 1;
makeIterator(itEnd, size_);
for (; !equals(it, itEnd); increment(it)) {
Value* value = &dereference(it);
new (value) Value(); // Construct a default value using placement new
}
}
Value& ValueInternalArray::resolveReference(ArrayIndex index) {
if (index >= size_)
makeIndexValid(index);
return pages_[index / itemsPerPage][index % itemsPerPage];
}
Value* ValueInternalArray::find(ArrayIndex index) const {
if (index >= size_)
return 0;
return &(pages_[index / itemsPerPage][index % itemsPerPage]);
}
ValueInternalArray::ArrayIndex ValueInternalArray::size() const {
return size_;
}
int ValueInternalArray::distance(const IteratorState& x,
const IteratorState& y) {
return indexOf(y) - indexOf(x);
}
ValueInternalArray::ArrayIndex
ValueInternalArray::indexOf(const IteratorState& iterator) {
if (!iterator.array_)
return ArrayIndex(-1);
return ArrayIndex((iterator.currentPageIndex_ - iterator.array_->pages_) *
itemsPerPage +
iterator.currentItemIndex_);
}
int ValueInternalArray::compare(const ValueInternalArray& other) const {
int sizeDiff(size_ - other.size_);
if (sizeDiff != 0)
return sizeDiff;
for (ArrayIndex index = 0; index < size_; ++index) {
int diff = pages_[index / itemsPerPage][index % itemsPerPage].compare(
other.pages_[index / itemsPerPage][index % itemsPerPage]);
if (diff != 0)
return diff;
}
return 0;
}
} // namespace Json

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
// included by json_value.cpp
namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueInternalMap
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
/** \internal MUST be safely initialized using memset( this, 0,
* sizeof(ValueInternalLink) );
* This optimization is used by the fast allocator.
*/
ValueInternalLink::ValueInternalLink() : previous_(0), next_(0) {}
ValueInternalLink::~ValueInternalLink() {
for (int index = 0; index < itemPerLink; ++index) {
if (!items_[index].isItemAvailable()) {
if (!items_[index].isMemberNameStatic())
free(keys_[index]);
} else
break;
}
}
ValueMapAllocator::~ValueMapAllocator() {}
#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
class DefaultValueMapAllocator : public ValueMapAllocator {
public: // overridden from ValueMapAllocator
virtual ValueInternalMap* newMap() { return new ValueInternalMap(); }
virtual ValueInternalMap* newMapCopy(const ValueInternalMap& other) {
return new ValueInternalMap(other);
}
virtual void destructMap(ValueInternalMap* map) { delete map; }
virtual ValueInternalLink* allocateMapBuckets(unsigned int size) {
return new ValueInternalLink[size];
}
virtual void releaseMapBuckets(ValueInternalLink* links) { delete[] links; }
virtual ValueInternalLink* allocateMapLink() {
return new ValueInternalLink();
}
virtual void releaseMapLink(ValueInternalLink* link) { delete link; }
};
#else
/// @todo make this thread-safe (lock when accessign batch allocator)
class DefaultValueMapAllocator : public ValueMapAllocator {
public: // overridden from ValueMapAllocator
virtual ValueInternalMap* newMap() {
ValueInternalMap* map = mapsAllocator_.allocate();
new (map) ValueInternalMap(); // placement new
return map;
}
virtual ValueInternalMap* newMapCopy(const ValueInternalMap& other) {
ValueInternalMap* map = mapsAllocator_.allocate();
new (map) ValueInternalMap(other); // placement new
return map;
}
virtual void destructMap(ValueInternalMap* map) {
if (map) {
map->~ValueInternalMap();
mapsAllocator_.release(map);
}
}
virtual ValueInternalLink* allocateMapBuckets(unsigned int size) {
return new ValueInternalLink[size];
}
virtual void releaseMapBuckets(ValueInternalLink* links) { delete[] links; }
virtual ValueInternalLink* allocateMapLink() {
ValueInternalLink* link = linksAllocator_.allocate();
memset(link, 0, sizeof(ValueInternalLink));
return link;
}
virtual void releaseMapLink(ValueInternalLink* link) {
link->~ValueInternalLink();
linksAllocator_.release(link);
}
private:
BatchAllocator<ValueInternalMap, 1> mapsAllocator_;
BatchAllocator<ValueInternalLink, 1> linksAllocator_;
};
#endif
static ValueMapAllocator*& mapAllocator() {
static DefaultValueMapAllocator defaultAllocator;
static ValueMapAllocator* mapAllocator = &defaultAllocator;
return mapAllocator;
}
static struct DummyMapAllocatorInitializer {
DummyMapAllocatorInitializer() {
mapAllocator(); // ensure mapAllocator() statics are initialized before
// main().
}
} dummyMapAllocatorInitializer;
// h(K) = value * K >> w ; with w = 32 & K prime w.r.t. 2^32.
/*
use linked list hash map.
buckets array is a container.
linked list element contains 6 key/values. (memory = (16+4) * 6 + 4 = 124)
value have extra state: valid, available, deleted
*/
ValueInternalMap::ValueInternalMap()
: buckets_(0), tailLink_(0), bucketsSize_(0), itemCount_(0) {}
ValueInternalMap::ValueInternalMap(const ValueInternalMap& other)
: buckets_(0), tailLink_(0), bucketsSize_(0), itemCount_(0) {
reserve(other.itemCount_);
IteratorState it;
IteratorState itEnd;
other.makeBeginIterator(it);
other.makeEndIterator(itEnd);
for (; !equals(it, itEnd); increment(it)) {
bool isStatic;
const char* memberName = key(it, isStatic);
const Value& aValue = value(it);
resolveReference(memberName, isStatic) = aValue;
}
}
ValueInternalMap& ValueInternalMap::operator=(ValueInternalMap other) {
swap(other);
return *this;
}
ValueInternalMap::~ValueInternalMap() {
if (buckets_) {
for (BucketIndex bucketIndex = 0; bucketIndex < bucketsSize_;
++bucketIndex) {
ValueInternalLink* link = buckets_[bucketIndex].next_;
while (link) {
ValueInternalLink* linkToRelease = link;
link = link->next_;
mapAllocator()->releaseMapLink(linkToRelease);
}
}
mapAllocator()->releaseMapBuckets(buckets_);
}
}
void ValueInternalMap::swap(ValueInternalMap& other) {
ValueInternalLink* tempBuckets = buckets_;
buckets_ = other.buckets_;
other.buckets_ = tempBuckets;
ValueInternalLink* tempTailLink = tailLink_;
tailLink_ = other.tailLink_;
other.tailLink_ = tempTailLink;
BucketIndex tempBucketsSize = bucketsSize_;
bucketsSize_ = other.bucketsSize_;
other.bucketsSize_ = tempBucketsSize;
BucketIndex tempItemCount = itemCount_;
itemCount_ = other.itemCount_;
other.itemCount_ = tempItemCount;
}
void ValueInternalMap::clear() {
ValueInternalMap dummy;
swap(dummy);
}
ValueInternalMap::BucketIndex ValueInternalMap::size() const {
return itemCount_;
}
bool ValueInternalMap::reserveDelta(BucketIndex growth) {
return reserve(itemCount_ + growth);
}
bool ValueInternalMap::reserve(BucketIndex newItemCount) {
if (!buckets_ && newItemCount > 0) {
buckets_ = mapAllocator()->allocateMapBuckets(1);
bucketsSize_ = 1;
tailLink_ = &buckets_[0];
}
// BucketIndex idealBucketCount = (newItemCount +
// ValueInternalLink::itemPerLink) / ValueInternalLink::itemPerLink;
return true;
}
const Value* ValueInternalMap::find(const char* key) const {
if (!bucketsSize_)
return 0;
HashKey hashedKey = hash(key);
BucketIndex bucketIndex = hashedKey % bucketsSize_;
for (const ValueInternalLink* current = &buckets_[bucketIndex]; current != 0;
current = current->next_) {
for (BucketIndex index = 0; index < ValueInternalLink::itemPerLink;
++index) {
if (current->items_[index].isItemAvailable())
return 0;
if (strcmp(key, current->keys_[index]) == 0)
return &current->items_[index];
}
}
return 0;
}
Value* ValueInternalMap::find(const char* key) {
const ValueInternalMap* constThis = this;
return const_cast<Value*>(constThis->find(key));
}
Value& ValueInternalMap::resolveReference(const char* key, bool isStatic) {
HashKey hashedKey = hash(key);
if (bucketsSize_) {
BucketIndex bucketIndex = hashedKey % bucketsSize_;
ValueInternalLink** previous = 0;
BucketIndex index;
for (ValueInternalLink* current = &buckets_[bucketIndex]; current != 0;
previous = &current->next_, current = current->next_) {
for (index = 0; index < ValueInternalLink::itemPerLink; ++index) {
if (current->items_[index].isItemAvailable())
return setNewItem(key, isStatic, current, index);
if (strcmp(key, current->keys_[index]) == 0)
return current->items_[index];
}
}
}
reserveDelta(1);
return unsafeAdd(key, isStatic, hashedKey);
}
void ValueInternalMap::remove(const char* key) {
HashKey hashedKey = hash(key);
if (!bucketsSize_)
return;
BucketIndex bucketIndex = hashedKey % bucketsSize_;
for (ValueInternalLink* link = &buckets_[bucketIndex]; link != 0;
link = link->next_) {
BucketIndex index;
for (index = 0; index < ValueInternalLink::itemPerLink; ++index) {
if (link->items_[index].isItemAvailable())
return;
if (strcmp(key, link->keys_[index]) == 0) {
doActualRemove(link, index, bucketIndex);
return;
}
}
}
}
void ValueInternalMap::doActualRemove(ValueInternalLink* link,
BucketIndex index,
BucketIndex bucketIndex) {
// find last item of the bucket and swap it with the 'removed' one.
// set removed items flags to 'available'.
// if last page only contains 'available' items, then desallocate it (it's
// empty)
ValueInternalLink*& lastLink = getLastLinkInBucket(index);
BucketIndex lastItemIndex = 1; // a link can never be empty, so start at 1
for (; lastItemIndex < ValueInternalLink::itemPerLink;
++lastItemIndex) // may be optimized with dicotomic search
{
if (lastLink->items_[lastItemIndex].isItemAvailable())
break;
}
BucketIndex lastUsedIndex = lastItemIndex - 1;
Value* valueToDelete = &link->items_[index];
Value* valueToPreserve = &lastLink->items_[lastUsedIndex];
if (valueToDelete != valueToPreserve)
valueToDelete->swap(*valueToPreserve);
if (lastUsedIndex == 0) // page is now empty
{ // remove it from bucket linked list and delete it.
ValueInternalLink* linkPreviousToLast = lastLink->previous_;
if (linkPreviousToLast != 0) // can not deleted bucket link.
{
mapAllocator()->releaseMapLink(lastLink);
linkPreviousToLast->next_ = 0;
lastLink = linkPreviousToLast;
}
} else {
Value dummy;
valueToPreserve->swap(dummy); // restore deleted to default Value.
valueToPreserve->setItemUsed(false);
}
--itemCount_;
}
ValueInternalLink*&
ValueInternalMap::getLastLinkInBucket(BucketIndex bucketIndex) {
if (bucketIndex == bucketsSize_ - 1)
return tailLink_;
ValueInternalLink*& previous = buckets_[bucketIndex + 1].previous_;
if (!previous)
previous = &buckets_[bucketIndex];
return previous;
}
Value& ValueInternalMap::setNewItem(const char* key,
bool isStatic,
ValueInternalLink* link,
BucketIndex index) {
char* duplicatedKey = makeMemberName(key);
++itemCount_;
link->keys_[index] = duplicatedKey;
link->items_[index].setItemUsed();
link->items_[index].setMemberNameIsStatic(isStatic);
return link->items_[index]; // items already default constructed.
}
Value&
ValueInternalMap::unsafeAdd(const char* key, bool isStatic, HashKey hashedKey) {
JSON_ASSERT_MESSAGE(bucketsSize_ > 0,
"ValueInternalMap::unsafeAdd(): internal logic error.");
BucketIndex bucketIndex = hashedKey % bucketsSize_;
ValueInternalLink*& previousLink = getLastLinkInBucket(bucketIndex);
ValueInternalLink* link = previousLink;
BucketIndex index;
for (index = 0; index < ValueInternalLink::itemPerLink; ++index) {
if (link->items_[index].isItemAvailable())
break;
}
if (index == ValueInternalLink::itemPerLink) // need to add a new page
{
ValueInternalLink* newLink = mapAllocator()->allocateMapLink();
index = 0;
link->next_ = newLink;
previousLink = newLink;
link = newLink;
}
return setNewItem(key, isStatic, link, index);
}
ValueInternalMap::HashKey ValueInternalMap::hash(const char* key) const {
HashKey hash = 0;
while (*key)
hash += *key++ * 37;
return hash;
}
int ValueInternalMap::compare(const ValueInternalMap& other) const {
int sizeDiff(itemCount_ - other.itemCount_);
if (sizeDiff != 0)
return sizeDiff;
// Strict order guaranty is required. Compare all keys FIRST, then compare
// values.
IteratorState it;
IteratorState itEnd;
makeBeginIterator(it);
makeEndIterator(itEnd);
for (; !equals(it, itEnd); increment(it)) {
if (!other.find(key(it)))
return 1;
}
// All keys are equals, let's compare values
makeBeginIterator(it);
for (; !equals(it, itEnd); increment(it)) {
const Value* otherValue = other.find(key(it));
int valueDiff = value(it).compare(*otherValue);
if (valueDiff != 0)
return valueDiff;
}
return 0;
}
void ValueInternalMap::makeBeginIterator(IteratorState& it) const {
it.map_ = const_cast<ValueInternalMap*>(this);
it.bucketIndex_ = 0;
it.itemIndex_ = 0;
it.link_ = buckets_;
}
void ValueInternalMap::makeEndIterator(IteratorState& it) const {
it.map_ = const_cast<ValueInternalMap*>(this);
it.bucketIndex_ = bucketsSize_;
it.itemIndex_ = 0;
it.link_ = 0;
}
bool ValueInternalMap::equals(const IteratorState& x,
const IteratorState& other) {
return x.map_ == other.map_ && x.bucketIndex_ == other.bucketIndex_ &&
x.link_ == other.link_ && x.itemIndex_ == other.itemIndex_;
}
void ValueInternalMap::incrementBucket(IteratorState& iterator) {
++iterator.bucketIndex_;
JSON_ASSERT_MESSAGE(
iterator.bucketIndex_ <= iterator.map_->bucketsSize_,
"ValueInternalMap::increment(): attempting to iterate beyond end.");
if (iterator.bucketIndex_ == iterator.map_->bucketsSize_)
iterator.link_ = 0;
else
iterator.link_ = &(iterator.map_->buckets_[iterator.bucketIndex_]);
iterator.itemIndex_ = 0;
}
void ValueInternalMap::increment(IteratorState& iterator) {
JSON_ASSERT_MESSAGE(iterator.map_,
"Attempting to iterator using invalid iterator.");
++iterator.itemIndex_;
if (iterator.itemIndex_ == ValueInternalLink::itemPerLink) {
JSON_ASSERT_MESSAGE(
iterator.link_ != 0,
"ValueInternalMap::increment(): attempting to iterate beyond end.");
iterator.link_ = iterator.link_->next_;
if (iterator.link_ == 0)
incrementBucket(iterator);
} else if (iterator.link_->items_[iterator.itemIndex_].isItemAvailable()) {
incrementBucket(iterator);
}
}
void ValueInternalMap::decrement(IteratorState& iterator) {
if (iterator.itemIndex_ == 0) {
JSON_ASSERT_MESSAGE(iterator.map_,
"Attempting to iterate using invalid iterator.");
if (iterator.link_ == &iterator.map_->buckets_[iterator.bucketIndex_]) {
JSON_ASSERT_MESSAGE(iterator.bucketIndex_ > 0,
"Attempting to iterate beyond beginning.");
--(iterator.bucketIndex_);
}
iterator.link_ = iterator.link_->previous_;
iterator.itemIndex_ = ValueInternalLink::itemPerLink - 1;
}
}
const char* ValueInternalMap::key(const IteratorState& iterator) {
JSON_ASSERT_MESSAGE(iterator.link_,
"Attempting to iterate using invalid iterator.");
return iterator.link_->keys_[iterator.itemIndex_];
}
const char* ValueInternalMap::key(const IteratorState& iterator,
bool& isStatic) {
JSON_ASSERT_MESSAGE(iterator.link_,
"Attempting to iterate using invalid iterator.");
isStatic = iterator.link_->items_[iterator.itemIndex_].isMemberNameStatic();
return iterator.link_->keys_[iterator.itemIndex_];
}
Value& ValueInternalMap::value(const IteratorState& iterator) {
JSON_ASSERT_MESSAGE(iterator.link_,
"Attempting to iterate using invalid iterator.");
return iterator.link_->items_[iterator.itemIndex_];
}
int ValueInternalMap::distance(const IteratorState& x, const IteratorState& y) {
int offset = 0;
IteratorState it = x;
while (!equals(it, y))
increment(it);
return offset;
}
} // namespace Json

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Utilities/cmjsoncpp/src/lib_json/json_reader.cpp Normal file
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// Copyright 2007-2011 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#if !defined(JSON_IS_AMALGAMATION)
#include <json/assertions.h>
#include <json/reader.h>
#include <json/value.h>
#include "json_tool.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <utility>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <istream>
#if defined(_MSC_VER) && _MSC_VER < 1500 // VC++ 8.0 and below
#define snprintf _snprintf
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
// Disable warning about strdup being deprecated.
#pragma warning(disable : 4996)
#endif
namespace Json {
// Implementation of class Features
// ////////////////////////////////
Features::Features()
: allowComments_(true), strictRoot_(false),
allowDroppedNullPlaceholders_(false), allowNumericKeys_(false) {}
Features Features::all() { return Features(); }
Features Features::strictMode() {
Features features;
features.allowComments_ = false;
features.strictRoot_ = true;
features.allowDroppedNullPlaceholders_ = false;
features.allowNumericKeys_ = false;
return features;
}
// Implementation of class Reader
// ////////////////////////////////
static inline bool in(Reader::Char c,
Reader::Char c1,
Reader::Char c2,
Reader::Char c3,
Reader::Char c4) {
return c == c1 || c == c2 || c == c3 || c == c4;
}
static inline bool in(Reader::Char c,
Reader::Char c1,
Reader::Char c2,
Reader::Char c3,
Reader::Char c4,
Reader::Char c5) {
return c == c1 || c == c2 || c == c3 || c == c4 || c == c5;
}
static bool containsNewLine(Reader::Location begin, Reader::Location end) {
for (; begin < end; ++begin)
if (*begin == '\n' || *begin == '\r')
return true;
return false;
}
// Class Reader
// //////////////////////////////////////////////////////////////////
Reader::Reader()
: errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
lastValue_(), commentsBefore_(), features_(Features::all()),
collectComments_() {}
Reader::Reader(const Features& features)
: errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
lastValue_(), commentsBefore_(), features_(features), collectComments_() {
}
bool
Reader::parse(const std::string& document, Value& root, bool collectComments) {
document_ = document;
const char* begin = document_.c_str();
const char* end = begin + document_.length();
return parse(begin, end, root, collectComments);
}
bool Reader::parse(std::istream& sin, Value& root, bool collectComments) {
// std::istream_iterator<char> begin(sin);
// std::istream_iterator<char> end;
// Those would allow streamed input from a file, if parse() were a
// template function.
// Since std::string is reference-counted, this at least does not
// create an extra copy.
std::string doc;
std::getline(sin, doc, (char)EOF);
return parse(doc, root, collectComments);
}
bool Reader::parse(const char* beginDoc,
const char* endDoc,
Value& root,
bool collectComments) {
if (!features_.allowComments_) {
collectComments = false;
}
begin_ = beginDoc;
end_ = endDoc;
collectComments_ = collectComments;
current_ = begin_;
lastValueEnd_ = 0;
lastValue_ = 0;
commentsBefore_ = "";
errors_.clear();
while (!nodes_.empty())
nodes_.pop();
nodes_.push(&root);
bool successful = readValue();
Token token;
skipCommentTokens(token);
if (collectComments_ && !commentsBefore_.empty())
root.setComment(commentsBefore_, commentAfter);
if (features_.strictRoot_) {
if (!root.isArray() && !root.isObject()) {
// Set error location to start of doc, ideally should be first token found
// in doc
token.type_ = tokenError;
token.start_ = beginDoc;
token.end_ = endDoc;
addError(
"A valid JSON document must be either an array or an object value.",
token);
return false;
}
}
return successful;
}
bool Reader::readValue() {
Token token;
skipCommentTokens(token);
bool successful = true;
if (collectComments_ && !commentsBefore_.empty()) {
// Remove newline characters at the end of the comments
size_t lastNonNewline = commentsBefore_.find_last_not_of("\r\n");
if (lastNonNewline != std::string::npos) {
commentsBefore_.erase(lastNonNewline + 1);
} else {
commentsBefore_.clear();
}
currentValue().setComment(commentsBefore_, commentBefore);
commentsBefore_ = "";
}
switch (token.type_) {
case tokenObjectBegin:
successful = readObject(token);
currentValue().setOffsetLimit(current_ - begin_);
break;
case tokenArrayBegin:
successful = readArray(token);
currentValue().setOffsetLimit(current_ - begin_);
break;
case tokenNumber:
successful = decodeNumber(token);
break;
case tokenString:
successful = decodeString(token);
break;
case tokenTrue:
currentValue() = true;
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
break;
case tokenFalse:
currentValue() = false;
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
break;
case tokenNull:
currentValue() = Value();
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
break;
case tokenArraySeparator:
if (features_.allowDroppedNullPlaceholders_) {
// "Un-read" the current token and mark the current value as a null
// token.
current_--;
currentValue() = Value();
currentValue().setOffsetStart(current_ - begin_ - 1);
currentValue().setOffsetLimit(current_ - begin_);
break;
}
// Else, fall through...
default:
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
return addError("Syntax error: value, object or array expected.", token);
}
if (collectComments_) {
lastValueEnd_ = current_;
lastValue_ = &currentValue();
}
return successful;
}
void Reader::skipCommentTokens(Token& token) {
if (features_.allowComments_) {
do {
readToken(token);
} while (token.type_ == tokenComment);
} else {
readToken(token);
}
}
bool Reader::expectToken(TokenType type, Token& token, const char* message) {
readToken(token);
if (token.type_ != type)
return addError(message, token);
return true;
}
bool Reader::readToken(Token& token) {
skipSpaces();
token.start_ = current_;
Char c = getNextChar();
bool ok = true;
switch (c) {
case '{':
token.type_ = tokenObjectBegin;
break;
case '}':
token.type_ = tokenObjectEnd;
break;
case '[':
token.type_ = tokenArrayBegin;
break;
case ']':
token.type_ = tokenArrayEnd;
break;
case '"':
token.type_ = tokenString;
ok = readString();
break;
case '/':
token.type_ = tokenComment;
ok = readComment();
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '-':
token.type_ = tokenNumber;
readNumber();
break;
case 't':
token.type_ = tokenTrue;
ok = match("rue", 3);
break;
case 'f':
token.type_ = tokenFalse;
ok = match("alse", 4);
break;
case 'n':
token.type_ = tokenNull;
ok = match("ull", 3);
break;
case ',':
token.type_ = tokenArraySeparator;
break;
case ':':
token.type_ = tokenMemberSeparator;
break;
case 0:
token.type_ = tokenEndOfStream;
break;
default:
ok = false;
break;
}
if (!ok)
token.type_ = tokenError;
token.end_ = current_;
return true;
}
void Reader::skipSpaces() {
while (current_ != end_) {
Char c = *current_;
if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
++current_;
else
break;
}
}
bool Reader::match(Location pattern, int patternLength) {
if (end_ - current_ < patternLength)
return false;
int index = patternLength;
while (index--)
if (current_[index] != pattern[index])
return false;
current_ += patternLength;
return true;
}
bool Reader::readComment() {
Location commentBegin = current_ - 1;
Char c = getNextChar();
bool successful = false;
if (c == '*')
successful = readCStyleComment();
else if (c == '/')
successful = readCppStyleComment();
if (!successful)
return false;
if (collectComments_) {
CommentPlacement placement = commentBefore;
if (lastValueEnd_ && !containsNewLine(lastValueEnd_, commentBegin)) {
if (c != '*' || !containsNewLine(commentBegin, current_))
placement = commentAfterOnSameLine;
}
addComment(commentBegin, current_, placement);
}
return true;
}
void
Reader::addComment(Location begin, Location end, CommentPlacement placement) {
assert(collectComments_);
if (placement == commentAfterOnSameLine) {
assert(lastValue_ != 0);
lastValue_->setComment(std::string(begin, end), placement);
} else {
commentsBefore_ += std::string(begin, end);
}
}
bool Reader::readCStyleComment() {
while (current_ != end_) {
Char c = getNextChar();
if (c == '*' && *current_ == '/')
break;
}
return getNextChar() == '/';
}
bool Reader::readCppStyleComment() {
while (current_ != end_) {
Char c = getNextChar();
if (c == '\r' || c == '\n')
break;
}
return true;
}
void Reader::readNumber() {
while (current_ != end_) {
if (!(*current_ >= '0' && *current_ <= '9') &&
!in(*current_, '.', 'e', 'E', '+', '-'))
break;
++current_;
}
}
bool Reader::readString() {
Char c = 0;
while (current_ != end_) {
c = getNextChar();
if (c == '\\')
getNextChar();
else if (c == '"')
break;
}
return c == '"';
}
bool Reader::readObject(Token& tokenStart) {
Token tokenName;
std::string name;
currentValue() = Value(objectValue);
currentValue().setOffsetStart(tokenStart.start_ - begin_);
while (readToken(tokenName)) {
bool initialTokenOk = true;
while (tokenName.type_ == tokenComment && initialTokenOk)
initialTokenOk = readToken(tokenName);
if (!initialTokenOk)
break;
if (tokenName.type_ == tokenObjectEnd && name.empty()) // empty object
return true;
name = "";
if (tokenName.type_ == tokenString) {
if (!decodeString(tokenName, name))
return recoverFromError(tokenObjectEnd);
} else if (tokenName.type_ == tokenNumber && features_.allowNumericKeys_) {
Value numberName;
if (!decodeNumber(tokenName, numberName))
return recoverFromError(tokenObjectEnd);
name = numberName.asString();
} else {
break;
}
Token colon;
if (!readToken(colon) || colon.type_ != tokenMemberSeparator) {
return addErrorAndRecover(
"Missing ':' after object member name", colon, tokenObjectEnd);
}
Value& value = currentValue()[name];
nodes_.push(&value);
bool ok = readValue();
nodes_.pop();
if (!ok) // error already set
return recoverFromError(tokenObjectEnd);
Token comma;
if (!readToken(comma) ||
(comma.type_ != tokenObjectEnd && comma.type_ != tokenArraySeparator &&
comma.type_ != tokenComment)) {
return addErrorAndRecover(
"Missing ',' or '}' in object declaration", comma, tokenObjectEnd);
}
bool finalizeTokenOk = true;
while (comma.type_ == tokenComment && finalizeTokenOk)
finalizeTokenOk = readToken(comma);
if (comma.type_ == tokenObjectEnd)
return true;
}
return addErrorAndRecover(
"Missing '}' or object member name", tokenName, tokenObjectEnd);
}
bool Reader::readArray(Token& tokenStart) {
currentValue() = Value(arrayValue);
currentValue().setOffsetStart(tokenStart.start_ - begin_);
skipSpaces();
if (*current_ == ']') // empty array
{
Token endArray;
readToken(endArray);
return true;
}
int index = 0;
for (;;) {
Value& value = currentValue()[index++];
nodes_.push(&value);
bool ok = readValue();
nodes_.pop();
if (!ok) // error already set
return recoverFromError(tokenArrayEnd);
Token token;
// Accept Comment after last item in the array.
ok = readToken(token);
while (token.type_ == tokenComment && ok) {
ok = readToken(token);
}
bool badTokenType =
(token.type_ != tokenArraySeparator && token.type_ != tokenArrayEnd);
if (!ok || badTokenType) {
return addErrorAndRecover(
"Missing ',' or ']' in array declaration", token, tokenArrayEnd);
}
if (token.type_ == tokenArrayEnd)
break;
}
return true;
}
bool Reader::decodeNumber(Token& token) {
Value decoded;
if (!decodeNumber(token, decoded))
return false;
currentValue() = decoded;
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
return true;
}
bool Reader::decodeNumber(Token& token, Value& decoded) {
bool isDouble = false;
for (Location inspect = token.start_; inspect != token.end_; ++inspect) {
isDouble = isDouble || in(*inspect, '.', 'e', 'E', '+') ||
(*inspect == '-' && inspect != token.start_);
}
if (isDouble)
return decodeDouble(token, decoded);
// Attempts to parse the number as an integer. If the number is
// larger than the maximum supported value of an integer then
// we decode the number as a double.
Location current = token.start_;
bool isNegative = *current == '-';
if (isNegative)
++current;
Value::LargestUInt maxIntegerValue =
isNegative ? Value::LargestUInt(-Value::minLargestInt)
: Value::maxLargestUInt;
Value::LargestUInt threshold = maxIntegerValue / 10;
Value::LargestUInt value = 0;
while (current < token.end_) {
Char c = *current++;
if (c < '0' || c > '9')
return addError("'" + std::string(token.start_, token.end_) +
"' is not a number.",
token);
Value::UInt digit(c - '0');
if (value >= threshold) {
// We've hit or exceeded the max value divided by 10 (rounded down). If
// a) we've only just touched the limit, b) this is the last digit, and
// c) it's small enough to fit in that rounding delta, we're okay.
// Otherwise treat this number as a double to avoid overflow.
if (value > threshold || current != token.end_ ||
digit > maxIntegerValue % 10) {
return decodeDouble(token, decoded);
}
}
value = value * 10 + digit;
}
if (isNegative)
decoded = -Value::LargestInt(value);
else if (value <= Value::LargestUInt(Value::maxInt))
decoded = Value::LargestInt(value);
else
decoded = value;
return true;
}
bool Reader::decodeDouble(Token& token) {
Value decoded;
if (!decodeDouble(token, decoded))
return false;
currentValue() = decoded;
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
return true;
}
bool Reader::decodeDouble(Token& token, Value& decoded) {
double value = 0;
const int bufferSize = 32;
int count;
int length = int(token.end_ - token.start_);
// Sanity check to avoid buffer overflow exploits.
if (length < 0) {
return addError("Unable to parse token length", token);
}
// Avoid using a string constant for the format control string given to
// sscanf, as this can cause hard to debug crashes on OS X. See here for more
// info:
//
// http://developer.apple.com/library/mac/#DOCUMENTATION/DeveloperTools/gcc-4.0.1/gcc/Incompatibilities.html
char format[] = "%lf";
if (length <= bufferSize) {
Char buffer[bufferSize + 1];
memcpy(buffer, token.start_, length);
buffer[length] = 0;
count = sscanf(buffer, format, &value);
} else {
std::string buffer(token.start_, token.end_);
count = sscanf(buffer.c_str(), format, &value);
}
if (count != 1)
return addError("'" + std::string(token.start_, token.end_) +
"' is not a number.",
token);
decoded = value;
return true;
}
bool Reader::decodeString(Token& token) {
std::string decoded;
if (!decodeString(token, decoded))
return false;
currentValue() = decoded;
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
return true;
}
bool Reader::decodeString(Token& token, std::string& decoded) {
decoded.reserve(token.end_ - token.start_ - 2);
Location current = token.start_ + 1; // skip '"'
Location end = token.end_ - 1; // do not include '"'
while (current != end) {
Char c = *current++;
if (c == '"')
break;
else if (c == '\\') {
if (current == end)
return addError("Empty escape sequence in string", token, current);
Char escape = *current++;
switch (escape) {
case '"':
decoded += '"';
break;
case '/':
decoded += '/';
break;
case '\\':
decoded += '\\';
break;
case 'b':
decoded += '\b';
break;
case 'f':
decoded += '\f';
break;
case 'n':
decoded += '\n';
break;
case 'r':
decoded += '\r';
break;
case 't':
decoded += '\t';
break;
case 'u': {
unsigned int unicode;
if (!decodeUnicodeCodePoint(token, current, end, unicode))
return false;
decoded += codePointToUTF8(unicode);
} break;
default:
return addError("Bad escape sequence in string", token, current);
}
} else {
decoded += c;
}
}
return true;
}
bool Reader::decodeUnicodeCodePoint(Token& token,
Location& current,
Location end,
unsigned int& unicode) {
if (!decodeUnicodeEscapeSequence(token, current, end, unicode))
return false;
if (unicode >= 0xD800 && unicode <= 0xDBFF) {
// surrogate pairs
if (end - current < 6)
return addError(
"additional six characters expected to parse unicode surrogate pair.",
token,
current);
unsigned int surrogatePair;
if (*(current++) == '\\' && *(current++) == 'u') {
if (decodeUnicodeEscapeSequence(token, current, end, surrogatePair)) {
unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
} else
return false;
} else
return addError("expecting another \\u token to begin the second half of "
"a unicode surrogate pair",
token,
current);
}
return true;
}
bool Reader::decodeUnicodeEscapeSequence(Token& token,
Location& current,
Location end,
unsigned int& unicode) {
if (end - current < 4)
return addError(
"Bad unicode escape sequence in string: four digits expected.",
token,
current);
unicode = 0;
for (int index = 0; index < 4; ++index) {
Char c = *current++;
unicode *= 16;
if (c >= '0' && c <= '9')
unicode += c - '0';
else if (c >= 'a' && c <= 'f')
unicode += c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
unicode += c - 'A' + 10;
else
return addError(
"Bad unicode escape sequence in string: hexadecimal digit expected.",
token,
current);
}
return true;
}
bool
Reader::addError(const std::string& message, Token& token, Location extra) {
ErrorInfo info;
info.token_ = token;
info.message_ = message;
info.extra_ = extra;
errors_.push_back(info);
return false;
}
bool Reader::recoverFromError(TokenType skipUntilToken) {
int errorCount = int(errors_.size());
Token skip;
for (;;) {
if (!readToken(skip))
errors_.resize(errorCount); // discard errors caused by recovery
if (skip.type_ == skipUntilToken || skip.type_ == tokenEndOfStream)
break;
}
errors_.resize(errorCount);
return false;
}
bool Reader::addErrorAndRecover(const std::string& message,
Token& token,
TokenType skipUntilToken) {
addError(message, token);
return recoverFromError(skipUntilToken);
}
Value& Reader::currentValue() { return *(nodes_.top()); }
Reader::Char Reader::getNextChar() {
if (current_ == end_)
return 0;
return *current_++;
}
void Reader::getLocationLineAndColumn(Location location,
int& line,
int& column) const {
Location current = begin_;
Location lastLineStart = current;
line = 0;
while (current < location && current != end_) {
Char c = *current++;
if (c == '\r') {
if (*current == '\n')
++current;
lastLineStart = current;
++line;
} else if (c == '\n') {
lastLineStart = current;
++line;
}
}
// column & line start at 1
column = int(location - lastLineStart) + 1;
++line;
}
std::string Reader::getLocationLineAndColumn(Location location) const {
int line, column;
getLocationLineAndColumn(location, line, column);
char buffer[18 + 16 + 16 + 1];
#if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__)
#if defined(WINCE)
_snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
#else
sprintf_s(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
#endif
#else
snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
#endif
return buffer;
}
// Deprecated. Preserved for backward compatibility
std::string Reader::getFormatedErrorMessages() const {
return getFormattedErrorMessages();
}
std::string Reader::getFormattedErrorMessages() const {
std::string formattedMessage;
for (Errors::const_iterator itError = errors_.begin();
itError != errors_.end();
++itError) {
const ErrorInfo& error = *itError;
formattedMessage +=
"* " + getLocationLineAndColumn(error.token_.start_) + "\n";
formattedMessage += " " + error.message_ + "\n";
if (error.extra_)
formattedMessage +=
"See " + getLocationLineAndColumn(error.extra_) + " for detail.\n";
}
return formattedMessage;
}
std::vector<Reader::StructuredError> Reader::getStructuredErrors() const {
std::vector<Reader::StructuredError> allErrors;
for (Errors::const_iterator itError = errors_.begin();
itError != errors_.end();
++itError) {
const ErrorInfo& error = *itError;
Reader::StructuredError structured;
structured.offset_start = error.token_.start_ - begin_;
structured.offset_limit = error.token_.end_ - begin_;
structured.message = error.message_;
allErrors.push_back(structured);
}
return allErrors;
}
bool Reader::pushError(const Value& value, const std::string& message) {
size_t length = end_ - begin_;
if(value.getOffsetStart() > length
|| value.getOffsetLimit() > length)
return false;
Token token;
token.type_ = tokenError;
token.start_ = begin_ + value.getOffsetStart();
token.end_ = end_ + value.getOffsetLimit();
ErrorInfo info;
info.token_ = token;
info.message_ = message;
info.extra_ = 0;
errors_.push_back(info);
return true;
}
bool Reader::pushError(const Value& value, const std::string& message, const Value& extra) {
size_t length = end_ - begin_;
if(value.getOffsetStart() > length
|| value.getOffsetLimit() > length
|| extra.getOffsetLimit() > length)
return false;
Token token;
token.type_ = tokenError;
token.start_ = begin_ + value.getOffsetStart();
token.end_ = begin_ + value.getOffsetLimit();
ErrorInfo info;
info.token_ = token;
info.message_ = message;
info.extra_ = begin_ + extra.getOffsetStart();
errors_.push_back(info);
return true;
}
bool Reader::good() const {
return !errors_.size();
}
std::istream& operator>>(std::istream& sin, Value& root) {
Json::Reader reader;
bool ok = reader.parse(sin, root, true);
if (!ok) {
fprintf(stderr,
"Error from reader: %s",
reader.getFormattedErrorMessages().c_str());
JSON_FAIL_MESSAGE("reader error");
}
return sin;
}
} // namespace Json

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
#define LIB_JSONCPP_JSON_TOOL_H_INCLUDED
/* This header provides common string manipulation support, such as UTF-8,
* portable conversion from/to string...
*
* It is an internal header that must not be exposed.
*/
namespace Json {
/// Converts a unicode code-point to UTF-8.
static inline std::string codePointToUTF8(unsigned int cp) {
std::string result;
// based on description from http://en.wikipedia.org/wiki/UTF-8
if (cp <= 0x7f) {
result.resize(1);
result[0] = static_cast<char>(cp);
} else if (cp <= 0x7FF) {
result.resize(2);
result[1] = static_cast<char>(0x80 | (0x3f & cp));
result[0] = static_cast<char>(0xC0 | (0x1f & (cp >> 6)));
} else if (cp <= 0xFFFF) {
result.resize(3);
result[2] = static_cast<char>(0x80 | (0x3f & cp));
result[1] = 0x80 | static_cast<char>((0x3f & (cp >> 6)));
result[0] = 0xE0 | static_cast<char>((0xf & (cp >> 12)));
} else if (cp <= 0x10FFFF) {
result.resize(4);
result[3] = static_cast<char>(0x80 | (0x3f & cp));
result[2] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 12)));
result[0] = static_cast<char>(0xF0 | (0x7 & (cp >> 18)));
}
return result;
}
/// Returns true if ch is a control character (in range [0,32[).
static inline bool isControlCharacter(char ch) { return ch > 0 && ch <= 0x1F; }
enum {
/// Constant that specify the size of the buffer that must be passed to
/// uintToString.
uintToStringBufferSize = 3 * sizeof(LargestUInt) + 1
};
// Defines a char buffer for use with uintToString().
typedef char UIntToStringBuffer[uintToStringBufferSize];
/** Converts an unsigned integer to string.
* @param value Unsigned interger to convert to string
* @param current Input/Output string buffer.
* Must have at least uintToStringBufferSize chars free.
*/
static inline void uintToString(LargestUInt value, char*& current) {
*--current = 0;
do {
*--current = char(value % 10) + '0';
value /= 10;
} while (value != 0);
}
/** Change ',' to '.' everywhere in buffer.
*
* We had a sophisticated way, but it did not work in WinCE.
* @see https://github.com/open-source-parsers/jsoncpp/pull/9
*/
static inline void fixNumericLocale(char* begin, char* end) {
while (begin < end) {
if (*begin == ',') {
*begin = '.';
}
++begin;
}
}
} // namespace Json {
#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
// included by json_value.cpp
namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueIteratorBase
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueIteratorBase::ValueIteratorBase()
#ifndef JSON_VALUE_USE_INTERNAL_MAP
: current_(), isNull_(true) {
}
#else
: isArray_(true), isNull_(true) {
iterator_.array_ = ValueInternalArray::IteratorState();
}
#endif
#ifndef JSON_VALUE_USE_INTERNAL_MAP
ValueIteratorBase::ValueIteratorBase(
const Value::ObjectValues::iterator& current)
: current_(current), isNull_(false) {}
#else
ValueIteratorBase::ValueIteratorBase(
const ValueInternalArray::IteratorState& state)
: isArray_(true) {
iterator_.array_ = state;
}
ValueIteratorBase::ValueIteratorBase(
const ValueInternalMap::IteratorState& state)
: isArray_(false) {
iterator_.map_ = state;
}
#endif
Value& ValueIteratorBase::deref() const {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
return current_->second;
#else
if (isArray_)
return ValueInternalArray::dereference(iterator_.array_);
return ValueInternalMap::value(iterator_.map_);
#endif
}
void ValueIteratorBase::increment() {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
++current_;
#else
if (isArray_)
ValueInternalArray::increment(iterator_.array_);
ValueInternalMap::increment(iterator_.map_);
#endif
}
void ValueIteratorBase::decrement() {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
--current_;
#else
if (isArray_)
ValueInternalArray::decrement(iterator_.array_);
ValueInternalMap::decrement(iterator_.map_);
#endif
}
ValueIteratorBase::difference_type
ValueIteratorBase::computeDistance(const SelfType& other) const {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
#ifdef JSON_USE_CPPTL_SMALLMAP
return current_ - other.current_;
#else
// Iterator for null value are initialized using the default
// constructor, which initialize current_ to the default
// std::map::iterator. As begin() and end() are two instance
// of the default std::map::iterator, they can not be compared.
// To allow this, we handle this comparison specifically.
if (isNull_ && other.isNull_) {
return 0;
}
// Usage of std::distance is not portable (does not compile with Sun Studio 12
// RogueWave STL,
// which is the one used by default).
// Using a portable hand-made version for non random iterator instead:
// return difference_type( std::distance( current_, other.current_ ) );
difference_type myDistance = 0;
for (Value::ObjectValues::iterator it = current_; it != other.current_;
++it) {
++myDistance;
}
return myDistance;
#endif
#else
if (isArray_)
return ValueInternalArray::distance(iterator_.array_,
other.iterator_.array_);
return ValueInternalMap::distance(iterator_.map_, other.iterator_.map_);
#endif
}
bool ValueIteratorBase::isEqual(const SelfType& other) const {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
if (isNull_) {
return other.isNull_;
}
return current_ == other.current_;
#else
if (isArray_)
return ValueInternalArray::equals(iterator_.array_, other.iterator_.array_);
return ValueInternalMap::equals(iterator_.map_, other.iterator_.map_);
#endif
}
void ValueIteratorBase::copy(const SelfType& other) {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
current_ = other.current_;
isNull_ = other.isNull_;
#else
if (isArray_)
iterator_.array_ = other.iterator_.array_;
iterator_.map_ = other.iterator_.map_;
#endif
}
Value ValueIteratorBase::key() const {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
const Value::CZString czstring = (*current_).first;
if (czstring.c_str()) {
if (czstring.isStaticString())
return Value(StaticString(czstring.c_str()));
return Value(czstring.c_str());
}
return Value(czstring.index());
#else
if (isArray_)
return Value(ValueInternalArray::indexOf(iterator_.array_));
bool isStatic;
const char* memberName = ValueInternalMap::key(iterator_.map_, isStatic);
if (isStatic)
return Value(StaticString(memberName));
return Value(memberName);
#endif
}
UInt ValueIteratorBase::index() const {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
const Value::CZString czstring = (*current_).first;
if (!czstring.c_str())
return czstring.index();
return Value::UInt(-1);
#else
if (isArray_)
return Value::UInt(ValueInternalArray::indexOf(iterator_.array_));
return Value::UInt(-1);
#endif
}
const char* ValueIteratorBase::memberName() const {
#ifndef JSON_VALUE_USE_INTERNAL_MAP
const char* name = (*current_).first.c_str();
return name ? name : "";
#else
if (!isArray_)
return ValueInternalMap::key(iterator_.map_);
return "";
#endif
}
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueConstIterator
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueConstIterator::ValueConstIterator() {}
#ifndef JSON_VALUE_USE_INTERNAL_MAP
ValueConstIterator::ValueConstIterator(
const Value::ObjectValues::iterator& current)
: ValueIteratorBase(current) {}
#else
ValueConstIterator::ValueConstIterator(
const ValueInternalArray::IteratorState& state)
: ValueIteratorBase(state) {}
ValueConstIterator::ValueConstIterator(
const ValueInternalMap::IteratorState& state)
: ValueIteratorBase(state) {}
#endif
ValueConstIterator& ValueConstIterator::
operator=(const ValueIteratorBase& other) {
copy(other);
return *this;
}
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueIterator
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueIterator::ValueIterator() {}
#ifndef JSON_VALUE_USE_INTERNAL_MAP
ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
: ValueIteratorBase(current) {}
#else
ValueIterator::ValueIterator(const ValueInternalArray::IteratorState& state)
: ValueIteratorBase(state) {}
ValueIterator::ValueIterator(const ValueInternalMap::IteratorState& state)
: ValueIteratorBase(state) {}
#endif
ValueIterator::ValueIterator(const ValueConstIterator& other)
: ValueIteratorBase(other) {}
ValueIterator::ValueIterator(const ValueIterator& other)
: ValueIteratorBase(other) {}
ValueIterator& ValueIterator::operator=(const SelfType& other) {
copy(other);
return *this;
}
} // namespace Json

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// Copyright 2011 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#if !defined(JSON_IS_AMALGAMATION)
#include <json/writer.h>
#include "json_tool.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <utility>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <sstream>
#include <iomanip>
#include <math.h>
#if defined(_MSC_VER) && _MSC_VER < 1500 // VC++ 8.0 and below
#include <float.h>
#define isfinite _finite
#define snprintf _snprintf
#endif
// Solaris
#if defined(__sun)
# include <ieeefp.h>
# define isfinite finite
#endif
// Ancient glibc
#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 2
# if !defined(isfinite)
# define isfinite __finite
# endif
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
// Disable warning about strdup being deprecated.
#pragma warning(disable : 4996)
#endif
namespace Json {
static bool containsControlCharacter(const char* str) {
while (*str) {
if (isControlCharacter(*(str++)))
return true;
}
return false;
}
std::string valueToString(LargestInt value) {
UIntToStringBuffer buffer;
char* current = buffer + sizeof(buffer);
bool isNegative = value < 0;
if (isNegative)
value = -value;
uintToString(LargestUInt(value), current);
if (isNegative)
*--current = '-';
assert(current >= buffer);
return current;
}
std::string valueToString(LargestUInt value) {
UIntToStringBuffer buffer;
char* current = buffer + sizeof(buffer);
uintToString(value, current);
assert(current >= buffer);
return current;
}
#if defined(JSON_HAS_INT64)
std::string valueToString(Int value) {
return valueToString(LargestInt(value));
}
std::string valueToString(UInt value) {
return valueToString(LargestUInt(value));
}
#endif // # if defined(JSON_HAS_INT64)
std::string valueToString(double value) {
// Allocate a buffer that is more than large enough to store the 16 digits of
// precision requested below.
char buffer[32];
int len = -1;
// Print into the buffer. We need not request the alternative representation
// that always has a decimal point because JSON doesn't distingish the
// concepts of reals and integers.
#if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with
// visual studio 2005 to
// avoid warning.
#if defined(WINCE)
len = _snprintf(buffer, sizeof(buffer), "%.16g", value);
#else
len = sprintf_s(buffer, sizeof(buffer), "%.16g", value);
#endif
#else
if (isfinite(value)) {
len = snprintf(buffer, sizeof(buffer), "%.16g", value);
} else {
// IEEE standard states that NaN values will not compare to themselves
if (value != value) {
len = snprintf(buffer, sizeof(buffer), "null");
} else if (value < 0) {
len = snprintf(buffer, sizeof(buffer), "-1e+9999");
} else {
len = snprintf(buffer, sizeof(buffer), "1e+9999");
}
// For those, we do not need to call fixNumLoc, but it is fast.
}
#endif
assert(len >= 0);
fixNumericLocale(buffer, buffer + len);
return buffer;
}
std::string valueToString(bool value) { return value ? "true" : "false"; }
std::string valueToQuotedString(const char* value) {
if (value == NULL)
return "";
// Not sure how to handle unicode...
if (strpbrk(value, "\"\\\b\f\n\r\t") == NULL &&
!containsControlCharacter(value))
return std::string("\"") + value + "\"";
// We have to walk value and escape any special characters.
// Appending to std::string is not efficient, but this should be rare.
// (Note: forward slashes are *not* rare, but I am not escaping them.)
std::string::size_type maxsize =
strlen(value) * 2 + 3; // allescaped+quotes+NULL
std::string result;
result.reserve(maxsize); // to avoid lots of mallocs
result += "\"";
for (const char* c = value; *c != 0; ++c) {
switch (*c) {
case '\"':
result += "\\\"";
break;
case '\\':
result += "\\\\";
break;
case '\b':
result += "\\b";
break;
case '\f':
result += "\\f";
break;
case '\n':
result += "\\n";
break;
case '\r':
result += "\\r";
break;
case '\t':
result += "\\t";
break;
// case '/':
// Even though \/ is considered a legal escape in JSON, a bare
// slash is also legal, so I see no reason to escape it.
// (I hope I am not misunderstanding something.
// blep notes: actually escaping \/ may be useful in javascript to avoid </
// sequence.
// Should add a flag to allow this compatibility mode and prevent this
// sequence from occurring.
default:
if (isControlCharacter(*c)) {
std::ostringstream oss;
oss << "\\u" << std::hex << std::uppercase << std::setfill('0')
<< std::setw(4) << static_cast<int>(*c);
result += oss.str();
} else {
result += *c;
}
break;
}
}
result += "\"";
return result;
}
// Class Writer
// //////////////////////////////////////////////////////////////////
Writer::~Writer() {}
// Class FastWriter
// //////////////////////////////////////////////////////////////////
FastWriter::FastWriter()
: yamlCompatiblityEnabled_(false), dropNullPlaceholders_(false),
omitEndingLineFeed_(false) {}
void FastWriter::enableYAMLCompatibility() { yamlCompatiblityEnabled_ = true; }
void FastWriter::dropNullPlaceholders() { dropNullPlaceholders_ = true; }
void FastWriter::omitEndingLineFeed() { omitEndingLineFeed_ = true; }
std::string FastWriter::write(const Value& root) {
document_ = "";
writeValue(root);
if (!omitEndingLineFeed_)
document_ += "\n";
return document_;
}
void FastWriter::writeValue(const Value& value) {
switch (value.type()) {
case nullValue:
if (!dropNullPlaceholders_)
document_ += "null";
break;
case intValue:
document_ += valueToString(value.asLargestInt());
break;
case uintValue:
document_ += valueToString(value.asLargestUInt());
break;
case realValue:
document_ += valueToString(value.asDouble());
break;
case stringValue:
document_ += valueToQuotedString(value.asCString());
break;
case booleanValue:
document_ += valueToString(value.asBool());
break;
case arrayValue: {
document_ += '[';
int size = value.size();
for (int index = 0; index < size; ++index) {
if (index > 0)
document_ += ',';
writeValue(value[index]);
}
document_ += ']';
} break;
case objectValue: {
Value::Members members(value.getMemberNames());
document_ += '{';
for (Value::Members::iterator it = members.begin(); it != members.end();
++it) {
const std::string& name = *it;
if (it != members.begin())
document_ += ',';
document_ += valueToQuotedString(name.c_str());
document_ += yamlCompatiblityEnabled_ ? ": " : ":";
writeValue(value[name]);
}
document_ += '}';
} break;
}
}
// Class StyledWriter
// //////////////////////////////////////////////////////////////////
StyledWriter::StyledWriter()
: rightMargin_(74), indentSize_(3), addChildValues_() {}
std::string StyledWriter::write(const Value& root) {
document_ = "";
addChildValues_ = false;
indentString_ = "";
writeCommentBeforeValue(root);
writeValue(root);
writeCommentAfterValueOnSameLine(root);
document_ += "\n";
return document_;
}
void StyledWriter::writeValue(const Value& value) {
switch (value.type()) {
case nullValue:
pushValue("null");
break;
case intValue:
pushValue(valueToString(value.asLargestInt()));
break;
case uintValue:
pushValue(valueToString(value.asLargestUInt()));
break;
case realValue:
pushValue(valueToString(value.asDouble()));
break;
case stringValue:
pushValue(valueToQuotedString(value.asCString()));
break;
case booleanValue:
pushValue(valueToString(value.asBool()));
break;
case arrayValue:
writeArrayValue(value);
break;
case objectValue: {
Value::Members members(value.getMemberNames());
if (members.empty())
pushValue("{}");
else {
writeWithIndent("{");
indent();
Value::Members::iterator it = members.begin();
for (;;) {
const std::string& name = *it;
const Value& childValue = value[name];
writeCommentBeforeValue(childValue);
writeWithIndent(valueToQuotedString(name.c_str()));
document_ += " : ";
writeValue(childValue);
if (++it == members.end()) {
writeCommentAfterValueOnSameLine(childValue);
break;
}
document_ += ',';
writeCommentAfterValueOnSameLine(childValue);
}
unindent();
writeWithIndent("}");
}
} break;
}
}
void StyledWriter::writeArrayValue(const Value& value) {
unsigned size = value.size();
if (size == 0)
pushValue("[]");
else {
bool isArrayMultiLine = isMultineArray(value);
if (isArrayMultiLine) {
writeWithIndent("[");
indent();
bool hasChildValue = !childValues_.empty();
unsigned index = 0;
for (;;) {
const Value& childValue = value[index];
writeCommentBeforeValue(childValue);
if (hasChildValue)
writeWithIndent(childValues_[index]);
else {
writeIndent();
writeValue(childValue);
}
if (++index == size) {
writeCommentAfterValueOnSameLine(childValue);
break;
}
document_ += ',';
writeCommentAfterValueOnSameLine(childValue);
}
unindent();
writeWithIndent("]");
} else // output on a single line
{
assert(childValues_.size() == size);
document_ += "[ ";
for (unsigned index = 0; index < size; ++index) {
if (index > 0)
document_ += ", ";
document_ += childValues_[index];
}
document_ += " ]";
}
}
}
bool StyledWriter::isMultineArray(const Value& value) {
int size = value.size();
bool isMultiLine = size * 3 >= rightMargin_;
childValues_.clear();
for (int index = 0; index < size && !isMultiLine; ++index) {
const Value& childValue = value[index];
isMultiLine =
isMultiLine || ((childValue.isArray() || childValue.isObject()) &&
childValue.size() > 0);
}
if (!isMultiLine) // check if line length > max line length
{
childValues_.reserve(size);
addChildValues_ = true;
int lineLength = 4 + (size - 1) * 2; // '[ ' + ', '*n + ' ]'
for (int index = 0; index < size; ++index) {
writeValue(value[index]);
lineLength += int(childValues_[index].length());
}
addChildValues_ = false;
isMultiLine = isMultiLine || lineLength >= rightMargin_;
}
return isMultiLine;
}
void StyledWriter::pushValue(const std::string& value) {
if (addChildValues_)
childValues_.push_back(value);
else
document_ += value;
}
void StyledWriter::writeIndent() {
if (!document_.empty()) {
char last = document_[document_.length() - 1];
if (last == ' ') // already indented
return;
if (last != '\n') // Comments may add new-line
document_ += '\n';
}
document_ += indentString_;
}
void StyledWriter::writeWithIndent(const std::string& value) {
writeIndent();
document_ += value;
}
void StyledWriter::indent() { indentString_ += std::string(indentSize_, ' '); }
void StyledWriter::unindent() {
assert(int(indentString_.size()) >= indentSize_);
indentString_.resize(indentString_.size() - indentSize_);
}
void StyledWriter::writeCommentBeforeValue(const Value& root) {
if (!root.hasComment(commentBefore))
return;
document_ += "\n";
writeIndent();
std::string normalizedComment = normalizeEOL(root.getComment(commentBefore));
std::string::const_iterator iter = normalizedComment.begin();
while (iter != normalizedComment.end()) {
document_ += *iter;
if (*iter == '\n' && *(iter + 1) == '/')
writeIndent();
++iter;
}
// Comments are stripped of newlines, so add one here
document_ += "\n";
}
void StyledWriter::writeCommentAfterValueOnSameLine(const Value& root) {
if (root.hasComment(commentAfterOnSameLine))
document_ += " " + normalizeEOL(root.getComment(commentAfterOnSameLine));
if (root.hasComment(commentAfter)) {
document_ += "\n";
document_ += normalizeEOL(root.getComment(commentAfter));
document_ += "\n";
}
}
bool StyledWriter::hasCommentForValue(const Value& value) {
return value.hasComment(commentBefore) ||
value.hasComment(commentAfterOnSameLine) ||
value.hasComment(commentAfter);
}
std::string StyledWriter::normalizeEOL(const std::string& text) {
std::string normalized;
normalized.reserve(text.length());
const char* begin = text.c_str();
const char* end = begin + text.length();
const char* current = begin;
while (current != end) {
char c = *current++;
if (c == '\r') // mac or dos EOL
{
if (*current == '\n') // convert dos EOL
++current;
normalized += '\n';
} else // handle unix EOL & other char
normalized += c;
}
return normalized;
}
// Class StyledStreamWriter
// //////////////////////////////////////////////////////////////////
StyledStreamWriter::StyledStreamWriter(std::string indentation)
: document_(NULL), rightMargin_(74), indentation_(indentation),
addChildValues_() {}
void StyledStreamWriter::write(std::ostream& out, const Value& root) {
document_ = &out;
addChildValues_ = false;
indentString_ = "";
writeCommentBeforeValue(root);
writeValue(root);
writeCommentAfterValueOnSameLine(root);
*document_ << "\n";
document_ = NULL; // Forget the stream, for safety.
}
void StyledStreamWriter::writeValue(const Value& value) {
switch (value.type()) {
case nullValue:
pushValue("null");
break;
case intValue:
pushValue(valueToString(value.asLargestInt()));
break;
case uintValue:
pushValue(valueToString(value.asLargestUInt()));
break;
case realValue:
pushValue(valueToString(value.asDouble()));
break;
case stringValue:
pushValue(valueToQuotedString(value.asCString()));
break;
case booleanValue:
pushValue(valueToString(value.asBool()));
break;
case arrayValue:
writeArrayValue(value);
break;
case objectValue: {
Value::Members members(value.getMemberNames());
if (members.empty())
pushValue("{}");
else {
writeWithIndent("{");
indent();
Value::Members::iterator it = members.begin();
for (;;) {
const std::string& name = *it;
const Value& childValue = value[name];
writeCommentBeforeValue(childValue);
writeWithIndent(valueToQuotedString(name.c_str()));
*document_ << " : ";
writeValue(childValue);
if (++it == members.end()) {
writeCommentAfterValueOnSameLine(childValue);
break;
}
*document_ << ",";
writeCommentAfterValueOnSameLine(childValue);
}
unindent();
writeWithIndent("}");
}
} break;
}
}
void StyledStreamWriter::writeArrayValue(const Value& value) {
unsigned size = value.size();
if (size == 0)
pushValue("[]");
else {
bool isArrayMultiLine = isMultineArray(value);
if (isArrayMultiLine) {
writeWithIndent("[");
indent();
bool hasChildValue = !childValues_.empty();
unsigned index = 0;
for (;;) {
const Value& childValue = value[index];
writeCommentBeforeValue(childValue);
if (hasChildValue)
writeWithIndent(childValues_[index]);
else {
writeIndent();
writeValue(childValue);
}
if (++index == size) {
writeCommentAfterValueOnSameLine(childValue);
break;
}
*document_ << ",";
writeCommentAfterValueOnSameLine(childValue);
}
unindent();
writeWithIndent("]");
} else // output on a single line
{
assert(childValues_.size() == size);
*document_ << "[ ";
for (unsigned index = 0; index < size; ++index) {
if (index > 0)
*document_ << ", ";
*document_ << childValues_[index];
}
*document_ << " ]";
}
}
}
bool StyledStreamWriter::isMultineArray(const Value& value) {
int size = value.size();
bool isMultiLine = size * 3 >= rightMargin_;
childValues_.clear();
for (int index = 0; index < size && !isMultiLine; ++index) {
const Value& childValue = value[index];
isMultiLine =
isMultiLine || ((childValue.isArray() || childValue.isObject()) &&
childValue.size() > 0);
}
if (!isMultiLine) // check if line length > max line length
{
childValues_.reserve(size);
addChildValues_ = true;
int lineLength = 4 + (size - 1) * 2; // '[ ' + ', '*n + ' ]'
for (int index = 0; index < size; ++index) {
writeValue(value[index]);
lineLength += int(childValues_[index].length());
}
addChildValues_ = false;
isMultiLine = isMultiLine || lineLength >= rightMargin_;
}
return isMultiLine;
}
void StyledStreamWriter::pushValue(const std::string& value) {
if (addChildValues_)
childValues_.push_back(value);
else
*document_ << value;
}
void StyledStreamWriter::writeIndent() {
/*
Some comments in this method would have been nice. ;-)
if ( !document_.empty() )
{
char last = document_[document_.length()-1];
if ( last == ' ' ) // already indented
return;
if ( last != '\n' ) // Comments may add new-line
*document_ << '\n';
}
*/
*document_ << '\n' << indentString_;
}
void StyledStreamWriter::writeWithIndent(const std::string& value) {
writeIndent();
*document_ << value;
}
void StyledStreamWriter::indent() { indentString_ += indentation_; }
void StyledStreamWriter::unindent() {
assert(indentString_.size() >= indentation_.size());
indentString_.resize(indentString_.size() - indentation_.size());
}
void StyledStreamWriter::writeCommentBeforeValue(const Value& root) {
if (!root.hasComment(commentBefore))
return;
*document_ << normalizeEOL(root.getComment(commentBefore));
*document_ << "\n";
}
void StyledStreamWriter::writeCommentAfterValueOnSameLine(const Value& root) {
if (root.hasComment(commentAfterOnSameLine))
*document_ << " " + normalizeEOL(root.getComment(commentAfterOnSameLine));
if (root.hasComment(commentAfter)) {
*document_ << "\n";
*document_ << normalizeEOL(root.getComment(commentAfter));
*document_ << "\n";
}
}
bool StyledStreamWriter::hasCommentForValue(const Value& value) {
return value.hasComment(commentBefore) ||
value.hasComment(commentAfterOnSameLine) ||
value.hasComment(commentAfter);
}
std::string StyledStreamWriter::normalizeEOL(const std::string& text) {
std::string normalized;
normalized.reserve(text.length());
const char* begin = text.c_str();
const char* end = begin + text.length();
const char* current = begin;
while (current != end) {
char c = *current++;
if (c == '\r') // mac or dos EOL
{
if (*current == '\n') // convert dos EOL
++current;
normalized += '\n';
} else // handle unix EOL & other char
normalized += c;
}
return normalized;
}
std::ostream& operator<<(std::ostream& sout, const Value& root) {
Json::StyledStreamWriter writer;
writer.write(sout, root);
return sout;
}
} // namespace Json