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/*
* Created by Phil on 20/4/2013.
* Copyright 2013 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_TEXT_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_TEXT_HPP_INCLUDED
#include <string>
#include <vector>
namespace Catch {
Text::Text( std::string const& _str, TextAttributes const& _attr )
: attr( _attr )
{
std::string wrappableChars = " [({.,/|\\-";
std::size_t indent = _attr.initialIndent != std::string::npos
? _attr.initialIndent
: _attr.indent;
std::string remainder = _str;
while( !remainder.empty() ) {
assert( lines.size() < 1000 );
std::size_t tabPos = std::string::npos;
std::size_t width = (std::min)( remainder.size(), _attr.width - indent );
std::size_t pos = remainder.find_first_of( '\n' );
if( pos <= width ) {
width = pos;
}
pos = remainder.find_last_of( _attr.tabChar, width );
if( pos != std::string::npos ) {
tabPos = pos;
if( remainder[width] == '\n' )
width--;
remainder = remainder.substr( 0, tabPos ) + remainder.substr( tabPos+1 );
}
if( width == remainder.size() ) {
spliceLine( indent, remainder, width );
}
else if( remainder[width] == '\n' ) {
spliceLine( indent, remainder, width );
if( width <= 1 || remainder.size() != 1 )
remainder = remainder.substr( 1 );
indent = _attr.indent;
}
else {
pos = remainder.find_last_of( wrappableChars, width );
if( pos != std::string::npos && pos > 0 ) {
spliceLine( indent, remainder, pos );
if( remainder[0] == ' ' )
remainder = remainder.substr( 1 );
}
else {
spliceLine( indent, remainder, width-1 );
lines.back() += "-";
}
if( lines.size() == 1 )
indent = _attr.indent;
if( tabPos != std::string::npos )
indent += tabPos;
}
}
}
void Text::spliceLine( std::size_t _indent, std::string& _remainder, std::size_t _pos ) {
lines.push_back( std::string( _indent, ' ' ) + _remainder.substr( 0, _pos ) );
_remainder = _remainder.substr( _pos );
}
std::string Text::toString() const {
std::ostringstream oss;
oss << *this;
return oss.str();
}
std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
for( Text::const_iterator it = _text.begin(), itEnd = _text.end();
it != itEnd; ++it ) {
if( it != _text.begin() )
_stream << "\n";
_stream << *it;
}
return _stream;
}
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_TEXT_HPP_INCLUDED
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