CMake/Source/CPack/WiX/cmWIXPatchParser.cxx

146 lines
3.5 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2013 Kitware, Inc.
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.
============================================================================*/
#include "cmWIXPatchParser.h"
#include <CPack/cmCPackGenerator.h>
#include <cm_expat.h>
cmWIXPatchElement::~cmWIXPatchElement()
{
for(child_list_t::iterator i = children.begin(); i != children.end(); ++i)
{
delete *i;
}
}
cmWIXPatchParser::cmWIXPatchParser(
fragment_map_t& fragments, cmCPackLog* logger):
Logger(logger),
State(BEGIN_DOCUMENT),
Valid(true),
Fragments(fragments)
{
}
void cmWIXPatchParser::StartElement(const char *name, const char **atts)
{
std::string name_str = name;
if(State == BEGIN_DOCUMENT)
{
if(name_str == "CPackWiXPatch")
{
State = BEGIN_FRAGMENTS;
}
else
{
ReportValidationError("Expected root element 'CPackWiXPatch'");
}
}
else if(State == BEGIN_FRAGMENTS)
{
if(name_str == "CPackWiXFragment")
{
State = INSIDE_FRAGMENT;
StartFragment(atts);
}
else
{
ReportValidationError("Expected 'CPackWixFragment' element");
}
}
else if(State == INSIDE_FRAGMENT)
{
cmWIXPatchElement &parent = *ElementStack.back();
parent.children.resize(parent.children.size() + 1);
cmWIXPatchElement*& currentElement = parent.children.back();
currentElement = new cmWIXPatchElement;
currentElement->name = name;
for(size_t i = 0; atts[i]; i += 2)
{
std::string key = atts[i];
std::string value = atts[i+1];
currentElement->attributes[key] = value;
}
ElementStack.push_back(currentElement);
}
}
void cmWIXPatchParser::StartFragment(const char **attributes)
{
for(size_t i = 0; attributes[i]; i += 2)
{
std::string key = attributes[i];
std::string value = attributes[i+1];
if(key == "Id")
{
if(Fragments.find(value) != Fragments.end())
{
std::stringstream tmp;
tmp << "Invalid reuse of 'CPackWixFragment' 'Id': " << value;
ReportValidationError(tmp.str());
}
ElementStack.push_back(&Fragments[value]);
}
else
{
ReportValidationError(
"The only allowed 'CPackWixFragment' attribute is 'Id'");
}
}
}
void cmWIXPatchParser::EndElement(const char *name)
{
std::string name_str = name;
if(State == INSIDE_FRAGMENT)
{
if(name_str == "CPackWiXFragment")
{
State = BEGIN_FRAGMENTS;
ElementStack.clear();
}
else
{
ElementStack.pop_back();
}
}
}
void cmWIXPatchParser::ReportError(int line, int column, const char* msg)
{
cmCPackLogger(cmCPackLog::LOG_ERROR,
"Error while processing XML patch file at " << line << ":" << column <<
": "<< msg << std::endl);
Valid = false;
}
void cmWIXPatchParser::ReportValidationError(std::string const& message)
{
ReportError(XML_GetCurrentLineNumber(Parser),
XML_GetCurrentColumnNumber(Parser),
message.c_str());
}
bool cmWIXPatchParser::IsValid() const
{
return Valid;
}