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f6413400a0
Explicitly track XML generation state (indentation, element closure, etc.) so that clients can avoid manually/implicitly maintaining it.
135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2015 Daniel Pfeifer <daniel@pfeifer-mail.de>
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmXMLWriter.h"
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#include "cmXMLSafe.h"
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#include <cassert>
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#include <fstream>
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cmXMLWriter::cmXMLWriter(std::ostream& output, std::size_t level)
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: Output(output)
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, Level(level)
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, ElementOpen(false)
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, BreakAttrib(false)
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, IsContent(false)
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{
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}
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cmXMLWriter::~cmXMLWriter()
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{
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assert(this->Elements.empty());
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}
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void cmXMLWriter::StartDocument(const char* encoding)
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{
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this->Output << "<?xml version=\"1.0\" encoding=\"" << encoding << "\"?>";
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}
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void cmXMLWriter::EndDocument()
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{
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assert(this->Elements.empty());
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this->Output << '\n';
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}
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void cmXMLWriter::StartElement(std::string const& name)
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{
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this->CloseStartElement();
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this->ConditionalLineBreak(!this->IsContent, this->Elements.size());
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this->Output << '<' << name;
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this->Elements.push(name);
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this->ElementOpen = true;
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this->BreakAttrib = false;
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}
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void cmXMLWriter::EndElement()
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{
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assert(!this->Elements.empty());
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if (this->ElementOpen)
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{
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this->Output << "/>";
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}
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else
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{
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this->ConditionalLineBreak(!this->IsContent, this->Elements.size() - 1);
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this->IsContent = false;
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this->Output << "</" << this->Elements.top() << '>';
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}
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this->Elements.pop();
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this->ElementOpen = false;
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}
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void cmXMLWriter::BreakAttributes()
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{
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this->BreakAttrib = true;
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}
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void cmXMLWriter::Comment(const char* comment)
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{
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this->CloseStartElement();
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this->ConditionalLineBreak(!this->IsContent, this->Elements.size());
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this->Output << "<!-- " << comment << " -->";
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}
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void cmXMLWriter::CData(std::string const& data)
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{
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this->PreContent();
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this->Output << "<![CDATA[" << data << "]]>";
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}
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void cmXMLWriter::ProcessingInstruction(const char* target, const char* data)
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{
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this->CloseStartElement();
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this->ConditionalLineBreak(!this->IsContent, this->Elements.size());
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this->Output << "<?" << target << ' ' << data << "?>";
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}
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void cmXMLWriter::FragmentFile(const char* fname)
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{
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this->CloseStartElement();
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std::ifstream fin(fname, std::ios::in | std::ios::binary);
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this->Output << fin.rdbuf();
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}
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void cmXMLWriter::ConditionalLineBreak(bool condition, std::size_t indent)
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{
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if (condition)
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{
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this->Output << '\n' << std::string(indent + this->Level, '\t');
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}
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}
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void cmXMLWriter::PreAttribute()
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{
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assert(this->ElementOpen);
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this->ConditionalLineBreak(this->BreakAttrib, this->Elements.size());
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if (!this->BreakAttrib)
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{
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this->Output << ' ';
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}
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}
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void cmXMLWriter::PreContent()
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{
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this->CloseStartElement();
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this->IsContent = true;
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}
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void cmXMLWriter::CloseStartElement()
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{
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if (this->ElementOpen)
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{
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this->ConditionalLineBreak(this->BreakAttrib, this->Elements.size());
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this->Output << '>';
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this->ElementOpen = false;
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}
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}
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