93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
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/*
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* Created by Phil on 20/4/2013.
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* Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_TEXT_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_TEXT_HPP_INCLUDED
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#include <string>
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#include <vector>
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namespace Catch {
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Text::Text( std::string const& _str, TextAttributes const& _attr )
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: attr( _attr )
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{
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std::string wrappableChars = " [({.,/|\\-";
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std::size_t indent = _attr.initialIndent != std::string::npos
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? _attr.initialIndent
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: _attr.indent;
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std::string remainder = _str;
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while( !remainder.empty() ) {
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assert( lines.size() < 1000 );
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std::size_t tabPos = std::string::npos;
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std::size_t width = (std::min)( remainder.size(), _attr.width - indent );
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std::size_t pos = remainder.find_first_of( '\n' );
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if( pos <= width ) {
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width = pos;
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}
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pos = remainder.find_last_of( _attr.tabChar, width );
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if( pos != std::string::npos ) {
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tabPos = pos;
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if( remainder[width] == '\n' )
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width--;
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remainder = remainder.substr( 0, tabPos ) + remainder.substr( tabPos+1 );
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}
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if( width == remainder.size() ) {
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spliceLine( indent, remainder, width );
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}
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else if( remainder[width] == '\n' ) {
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spliceLine( indent, remainder, width );
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if( width <= 1 || remainder.size() != 1 )
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remainder = remainder.substr( 1 );
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indent = _attr.indent;
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}
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else {
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pos = remainder.find_last_of( wrappableChars, width );
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if( pos != std::string::npos && pos > 0 ) {
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spliceLine( indent, remainder, pos );
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if( remainder[0] == ' ' )
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remainder = remainder.substr( 1 );
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}
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else {
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spliceLine( indent, remainder, width-1 );
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lines.back() += "-";
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}
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if( lines.size() == 1 )
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indent = _attr.indent;
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if( tabPos != std::string::npos )
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indent += tabPos;
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}
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}
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}
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void Text::spliceLine( std::size_t _indent, std::string& _remainder, std::size_t _pos ) {
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lines.push_back( std::string( _indent, ' ' ) + _remainder.substr( 0, _pos ) );
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_remainder = _remainder.substr( _pos );
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}
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std::string Text::toString() const {
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std::ostringstream oss;
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oss << *this;
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return oss.str();
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}
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std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
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for( Text::const_iterator it = _text.begin(), itEnd = _text.end();
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it != itEnd; ++it ) {
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if( it != _text.begin() )
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_stream << "\n";
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_stream << *it;
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}
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return _stream;
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}
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} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_TEXT_HPP_INCLUDED
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