349 lines
12 KiB
C++
349 lines
12 KiB
C++
/*=========================================================================
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Program: KWSys - Kitware System Library
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Module: $RCSfile$
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Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef @KWSYS_NAMESPACE@_SystemTools_hxx
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#define @KWSYS_NAMESPACE@_SystemTools_hxx
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#include <@KWSYS_NAMESPACE@/ios/iosfwd>
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#include <@KWSYS_NAMESPACE@/stl/string>
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#include <@KWSYS_NAMESPACE@/stl/vector>
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#include <@KWSYS_NAMESPACE@/stl/map>
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#include <@KWSYS_NAMESPACE@/Configure.h>
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#include <sys/types.h>
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#if defined( _MSC_VER )
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typedef unsigned short mode_t;
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#endif
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/* Define these macros temporarily to keep the code readable. */
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#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
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# define kwsys_stl @KWSYS_NAMESPACE@_stl
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# define kwsys_ios @KWSYS_NAMESPACE@_ios
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#endif
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namespace @KWSYS_NAMESPACE@
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{
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/** \class SystemTools
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* \brief A collection of useful platform-independent system functions.
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*/
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class @KWSYS_NAMESPACE@_EXPORT SystemTools
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{
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public:
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/**
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* Replace symbols in str that are not valid in C identifiers as
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* defined by the 1999 standard, ie. anything except [A-Za-z0-9_].
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* They are replaced with `_' and if the first character is a digit
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* then an underscore is prepended. Note that this can produce
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* identifiers that the standard reserves (_[A-Z].* and __.*).
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*/
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static kwsys_stl::string MakeCindentifier(const char* s);
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/**
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* Make a new directory if it is not there. This function
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* can make a full path even if none of the directories existed
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* prior to calling this function.
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*/
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static bool MakeDirectory(const char* path);
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/**
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* Get current time as a double. On certain platforms this will
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* return higher resolution than seconds:
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* (1) gettimeofday() -- resolution in microseconds
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* (2) ftime() -- resolution in milliseconds
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* (3) time() -- resolution in seconds
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*/
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static double GetTime();
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/**
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* Replace replace all occurances of the string in
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* the source string.
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*/
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static void ReplaceString(kwsys_stl::string& source,
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const char* replace,
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const char* with);
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/**
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* Read a registry value
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*/
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static bool ReadRegistryValue(const char *key, kwsys_stl::string &value);
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/**
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* Write a registry value
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*/
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static bool WriteRegistryValue(const char *key, const char *value);
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/**
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* Delete a registry value
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*/
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static bool DeleteRegistryValue(const char *key);
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/**
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* Return a capitalized string (i.e the first letter is uppercased,
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* all other are lowercased).
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*/
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static kwsys_stl::string Capitalized(const kwsys_stl::string&);
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/**
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* Return a lower case string
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*/
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static kwsys_stl::string LowerCase(const kwsys_stl::string&);
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/**
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* Return a lower case string
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*/
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static kwsys_stl::string UpperCase(const kwsys_stl::string&);
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/**
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* do a case-independent string comparison
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*/
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static int Strucmp(const char *s1, const char *s2);
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/**
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* Replace Windows file system slashes with Unix-style slashes.
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*/
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static void ConvertToUnixSlashes(kwsys_stl::string& path);
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/**
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* For windows this calles ConvertToWindowsOutputPath and for unix
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* it calls ConvertToUnixOutputPath
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*/
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static kwsys_stl::string ConvertToOutputPath(const char*);
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/** Return true if a file exists in the current directory. */
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static bool FileExists(const char* filename);
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static unsigned long FileLength(const char *filename);
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/**
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* Add the paths from the environment variable PATH to the
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* string vector passed in. If env is set then the value
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* of env will be used instead of PATH.
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*/
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static void GetPath(kwsys_stl::vector<kwsys_stl::string>& path, const char* env=0);
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/** Read an environment variable. */
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static const char* GetEnv(const char* key);
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static bool GetEnv(const char* key, kwsys_stl::string& result);
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/**
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* Get the file extension (including ".") needed for an executable
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* on the current platform ("" for unix, ".exe" for Windows).
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*/
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static const char* GetExecutableExtension();
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/**
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* Copy the source file to the destination file only
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* if the two files differ.
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*/
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static bool CopyFileIfDifferent(const char* source,
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const char* destination);
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///! Compare the contents of two files. Return true if different.
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static bool FilesDiffer(const char* source,
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const char* destination);
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///! return true if the two files are the same file
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static bool SameFile(const char* file1, const char* file2);
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///! Copy a file.
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static bool CopyFileAlways(const char* source, const char* destination);
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///! Remove a file.
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static bool RemoveFile(const char* source);
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///! Remove a directory
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static bool RemoveADirectory(const char* source);
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///! Find a file in the system PATH, with optional extra paths.
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static kwsys_stl::string FindFile(const char* name,
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const kwsys_stl::vector<kwsys_stl::string>& path= kwsys_stl::vector<kwsys_stl::string>());
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///! Find an executable in the system PATH, with optional extra paths.
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static kwsys_stl::string FindProgram(const char* name,
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const kwsys_stl::vector<kwsys_stl::string>& path = kwsys_stl::vector<kwsys_stl::string>(),
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bool no_system_path = false);
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///! Find a library in the system PATH, with optional extra paths.
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static kwsys_stl::string FindLibrary(const char* name,
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const kwsys_stl::vector<kwsys_stl::string>& path);
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///! return true if the file is a directory.
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static bool FileIsDirectory(const char* name);
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static kwsys_stl::string GetCurrentWorkingDirectory();
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/**
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* Given the path to a program executable, get the directory part of
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* the path with the file stripped off. If there is no directory
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* part, the empty string is returned.
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*/
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static kwsys_stl::string GetProgramPath(const char*);
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static bool SplitProgramPath(const char* in_name,
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kwsys_stl::string& dir,
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kwsys_stl::string& file,
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bool errorReport = true);
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/**
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* Given argv[0] for a unix program find the full path to a running
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* executable. argv0 can be null for windows WinMain programs
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* in this case GetModuleFileName will be used to find the path
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* to the running executable. If argv0 is not a full path,
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* then this will try to find the full path. If the path is not
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* found false is returned, if found true is returned. An error
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* message of the attempted paths is stored in errorMsg.
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* exeName is the name of the executable.
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* buildDir is a possibly null path to the build directory.
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* installPrefix is a possibly null pointer to the install directory.
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*/
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static bool FindProgramPath(const char* argv0,
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kwsys_stl::string& pathOut,
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kwsys_stl::string& errorMsg,
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const char* exeName = 0,
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const char* buildDir = 0,
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const char* installPrefix = 0);
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/**
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* Given a path to a file or directory, convert it to a full path.
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* This collapses away relative paths relative to the cwd argument
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* (which defaults to the current working directory). The full path
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* is returned.
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*/
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static kwsys_stl::string CollapseFullPath(const char* in_relative);
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static kwsys_stl::string CollapseFullPath(const char* in_relative,
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const char* in_base);
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///! return path of a full filename (no trailing slashes).
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static kwsys_stl::string GetFilenamePath(const kwsys_stl::string&);
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///! return file name of a full filename (i.e. file name without path).
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static kwsys_stl::string GetFilenameName(const kwsys_stl::string&);
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///! Split a program from its arguments and handle spaces in the paths.
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static void SplitProgramFromArgs(const char* path,
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kwsys_stl::string& program, kwsys_stl::string& args);
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///! return longest file extension of a full filename (dot included).
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static kwsys_stl::string GetFilenameExtension(const kwsys_stl::string&);
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///! return shortest file extension of a full filename (dot included).
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static kwsys_stl::string GetFilenameLastExtension(const kwsys_stl::string& filename);
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///! return file name without extension of a full filename.
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static kwsys_stl::string GetFilenameWithoutExtension(const kwsys_stl::string&);
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///! return file name without its last (shortest) extension.
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static kwsys_stl::string GetFilenameWithoutLastExtension(const kwsys_stl::string&);
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/** Return whether the path represents a full path (not relative). */
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static bool FileIsFullPath(const char*);
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static long int ModifiedTime(const char* filename);
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///! for windows return the short path for the given path, unix just a pass through
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static bool GetShortPath(const char* path, kwsys_stl::string& result);
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///! change directory the the directory specified
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static int ChangeDirectory(const char* dir);
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/** Split a string on its newlines into multiple lines. Returns
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false only if the last line stored had no newline. */
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static bool Split(const char* s, kwsys_stl::vector<kwsys_stl::string>& l);
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static kwsys_stl::string GetCurrentDateTime(const char* format);
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/** Get the result of strerror(errno). */
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static kwsys_stl::string GetLastSystemError();
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/** When building DEBUG with MSVC, this enables a hook that prevents
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* error dialogs from popping up if the program is being run from
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* DART.
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*/
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static void EnableMSVCDebugHook();
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/**
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* Read line from file. Make sure to get everything. Due to a buggy stream
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* library on the HP and another on Mac OSX, we need this very carefully
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* written version of getline. Returns true if any data were read before the
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* end-of-file was reached. If the has_newline argument is specified, it will
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* be true when the line read had a newline character.
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*/
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static bool GetLineFromStream(kwsys_ios::istream& istr, kwsys_stl::string& line,
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bool* has_newline=0);
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/**
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* Get the width of the terminal window. The code may or may not work, so
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* make sure you have some resonable defaults prepared if the code returns
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* some bogus size.
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*/
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static int GetTerminalWidth();
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/**
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* Add an entry in the path translation table.
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*/
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static void AddTranslationPath(const char * dir, const char * refdir);
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/**
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* If dir is different after CollapseFullPath is called,
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* Then insert it into the path translation table
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*/
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static void AddKeepPath(const char* dir);
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/**
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* Update path by going through the Path Translation table;
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*/
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static void CheckTranslationPath(kwsys_stl::string & path);
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/**
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* Get and set permissions of the file.
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*/
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static bool GetPermissions(const char* file, mode_t& mode);
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static bool SetPermissions(const char* file, mode_t mode);
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protected:
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// these two functions can be called from ConvertToOutputPath
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/**
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* Convert the path to a string that can be used in a unix makefile.
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* double slashes are removed, and spaces are escaped.
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*/
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static kwsys_stl::string ConvertToUnixOutputPath(const char*);
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/**
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* Convert the path to string that can be used in a windows project or
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* makefile. Double slashes are removed if they are not at the start of
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* the string, the slashes are converted to windows style backslashes, and
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* if there are spaces in the string it is double quoted.
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*/
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static kwsys_stl::string ConvertToWindowsOutputPath(const char*);
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private:
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/**
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* Path translation table from dir to refdir
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* Each time 'dir' will be found it will be replace by 'refdir'
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*/
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static kwsys_stl::map<kwsys_stl::string,kwsys_stl::string> TranslationMap;
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};
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} // namespace @KWSYS_NAMESPACE@
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/* Undefine temporary macros. */
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#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
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# undef kwsys_stl
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# undef kwsys_ios
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#endif
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#endif
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