catch2/internal/catch_xmlwriter.hpp

245 lines
6.5 KiB
C++

/*
* catch_xmlwriter.hpp
* Catch
*
* Created by Phil on 09/12/2010.
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_XMLWRITER_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_XMLWRITER_HPP_INCLUDED
#include <sstream>
#include <string>
#include <vector>
namespace Catch
{
class XmlWriter
{
public:
class ScopedElement
{
public:
ScopedElement( XmlWriter* writer )
: m_writer( writer )
{
}
ScopedElement( const ScopedElement& other )
: m_writer( other.m_writer )
{
other.m_writer = NULL;
}
~ScopedElement()
{
if( m_writer )
m_writer->endElement();
}
ScopedElement& writeText( const std::string& text )
{
m_writer->writeText( text );
return *this;
}
template<typename T>
ScopedElement& writeAttribute( const std::string& name, const T& attribute )
{
m_writer->writeAttribute( name, attribute );
return *this;
}
private:
mutable XmlWriter* m_writer;
};
XmlWriter()
: m_tagIsOpen( false ),
m_needsNewline( false ),
m_os( &std::cout )
{
}
XmlWriter( std::ostream& os)
: m_tagIsOpen( false ),
m_needsNewline( false ),
m_os( &os )
{
}
~XmlWriter()
{
while( !m_tags.empty() )
{
endElement();
}
}
XmlWriter& operator = ( const XmlWriter& other )
{
XmlWriter temp( other );
swap( temp );
return *this;
}
void swap( XmlWriter& other )
{
std::swap( m_tagIsOpen, other.m_tagIsOpen );
std::swap( m_needsNewline, other.m_needsNewline );
std::swap( m_tags, other.m_tags );
std::swap( m_indent, other.m_indent );
std::swap( m_os, other.m_os );
}
XmlWriter& startElement( const std::string& name )
{
ensureTagClosed();
newlineIfNecessary();
stream() << m_indent << "<" << name;
m_tags.push_back( name );
m_indent += " ";
m_tagIsOpen = true;
return *this;
}
ScopedElement scopedElement( const std::string& name )
{
ScopedElement scoped( this );
startElement( name );
return scoped;
}
XmlWriter& endElement()
{
newlineIfNecessary();
m_indent = m_indent.substr( 0, m_indent.size()-2 );
if( m_tagIsOpen )
{
stream() << "/>\n";
m_tagIsOpen = false;
}
else
{
stream() << m_indent << "</" << m_tags.back() << ">\n";
}
m_tags.pop_back();
return *this;
}
XmlWriter& writeAttribute( const std::string& name, const std::string& attribute )
{
if( !name.empty() && !attribute.empty() )
{
stream() << " " << name << "=\"";
writeEncodedText( attribute );
stream() << "\"";
}
return *this;
}
XmlWriter& writeAttribute( const std::string& name, bool attribute )
{
stream() << " " << name << "=\"" << ( attribute ? "true" : "false" ) << "\"";
return *this;
}
template<typename T>
XmlWriter& writeAttribute( const std::string& name, const T& attribute )
{
if( !name.empty() )
{
stream() << " " << name << "=\"" << attribute << "\"";
}
return *this;
}
XmlWriter& writeText( const std::string& text )
{
if( !text.empty() )
{
bool tagWasOpen = m_tagIsOpen;
ensureTagClosed();
if( tagWasOpen )
stream() << m_indent;
writeEncodedText( text );
m_needsNewline = true;
}
return *this;
}
XmlWriter& writeComment( const std::string& text )
{
ensureTagClosed();
stream() << m_indent << "<!--" << text << "-->";
m_needsNewline = true;
return *this;
}
XmlWriter& writeBlankLine()
{
ensureTagClosed();
stream() << "\n";
return *this;
}
private:
std::ostream& stream()
{
return *m_os;
}
void ensureTagClosed()
{
if( m_tagIsOpen )
{
stream() << ">\n";
m_tagIsOpen = false;
}
}
void newlineIfNecessary()
{
if( m_needsNewline )
{
stream() << "\n";
m_needsNewline = false;
}
}
void writeEncodedText( const std::string& text )
{
// !TBD finish this
if( !findReplaceableString( text, "<", "&lt;" ) &&
!findReplaceableString( text, "&", "&amp;" ) &&
!findReplaceableString( text, "\"", "&quote;" ) )
{
stream() << text;
}
}
bool findReplaceableString( const std::string& text, const std::string& replaceWhat, const std::string& replaceWith )
{
std::string::size_type pos = text.find_first_of( replaceWhat );
if( pos != std::string::npos )
{
stream() << text.substr( 0, pos ) << replaceWith;
writeEncodedText( text.substr( pos+1 ) );
return true;
}
return false;
}
bool m_tagIsOpen;
bool m_needsNewline;
std::vector<std::string> m_tags;
std::string m_indent;
std::ostream* m_os;
};
}
#endif