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/*============================================================================
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>
cmWIXPatchNode::Type cmWIXPatchText::type()
{
return cmWIXPatchNode::TEXT;
}
cmWIXPatchNode::Type cmWIXPatchElement::type()
{
return cmWIXPatchNode::ELEMENT;
}
cmWIXPatchNode::~cmWIXPatchNode()
{
}
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 std::string& name, const char **atts)
{
if(State == BEGIN_DOCUMENT)
{
if(name == "CPackWiXPatch")
{
State = BEGIN_FRAGMENTS;
}
else
{
ReportValidationError("Expected root element 'CPackWiXPatch'");
}
}
else if(State == BEGIN_FRAGMENTS)
{
if(name == "CPackWiXFragment")
{
State = INSIDE_FRAGMENT;
StartFragment(atts);
}
else
{
ReportValidationError("Expected 'CPackWixFragment' element");
}
}
else if(State == INSIDE_FRAGMENT)
{
cmWIXPatchElement &parent = *ElementStack.back();
cmWIXPatchElement *element = new cmWIXPatchElement;
parent.children.push_back(element);
element->name = name;
for(size_t i = 0; atts[i]; i += 2)
{
std::string key = atts[i];
std::string value = atts[i+1];
element->attributes[key] = value;
}
ElementStack.push_back(element);
}
}
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 std::string& name)
{
if(State == INSIDE_FRAGMENT)
{
if(name == "CPackWiXFragment")
{
State = BEGIN_FRAGMENTS;
ElementStack.clear();
}
else
{
ElementStack.pop_back();
}
}
}
void cmWIXPatchParser::CharacterDataHandler(const char* data, int length)
{
const char* whitespace = "\x20\x09\x0d\x0a";
if(State == INSIDE_FRAGMENT)
{
cmWIXPatchElement &parent = *ElementStack.back();
std::string text(data, length);
std::string::size_type first = text.find_first_not_of(whitespace);
std::string::size_type last = text.find_last_not_of(whitespace);
if(first != std::string::npos && last != std::string::npos)
{
cmWIXPatchText *text_node = new cmWIXPatchText;
text_node->text = text.substr(first, last - first + 1);
parent.children.push_back(text_node);
}
}
}
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(static_cast<XML_Parser>(this->Parser)),
XML_GetCurrentColumnNumber(static_cast<XML_Parser>(this->Parser)),
message.c_str());
}
bool cmWIXPatchParser::IsValid() const
{
return Valid;
}
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