mirror of https://github.com/catchorg/Catch2.git
118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/*
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* Created by Phil on 11/1/2013.
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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_LINE_WRAP_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_LINE_WRAP_HPP_INCLUDED
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#include "catch_line_wrap.h"
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namespace Catch {
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LineWrapper::LineWrapper()
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: right( CATCH_CONFIG_CONSOLE_WIDTH-1 ),
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nextTab( 0 ),
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tab( 0 ),
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indent( 0 ),
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initialIndent( (std::size_t)-1 ), // use indent by default
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wrappableChars( " [({.,/|\\" ),
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tabChar( '\t' ),
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recursionCount( 0 )
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{}
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LineWrapper& LineWrapper::setIndent( std::size_t _indent ) {
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indent = _indent;
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return *this;
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}
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LineWrapper& LineWrapper::setInitialIndent( std::size_t _initialIndent ) {
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initialIndent = _initialIndent;
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return *this;
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}
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LineWrapper& LineWrapper::setRight( std::size_t _right ) {
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right = _right;
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return *this;
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}
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LineWrapper& LineWrapper::wrap( std::string const& _str ) {
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nextTab = tab = 0;
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wrapInternal( _str );
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return *this;
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}
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LineWrapper& LineWrapper::setTabChar( char _tabChar ) {
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tabChar = _tabChar;
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return *this;
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}
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bool LineWrapper::isWrapPoint( char c ) {
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return wrappableChars.find( c ) != std::string::npos;
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}
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void LineWrapper::wrapInternal( std::string const& _str ) {
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assert( ++recursionCount < 100 );
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std::size_t width = right - getCurrentIndent();
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std::size_t wrapPoint = width-tab;
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for( std::size_t pos = 0; pos < _str.size(); ++pos ) {
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if( _str[pos] == '\n' )
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{
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addLine( _str.substr( 0, pos ) );
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nextTab = tab = 0;
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return wrapInternal( _str.substr( pos+1 ) );
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}
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if( pos == width-tab ) {
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if( _str[wrapPoint] == ' ' ) {
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addLine( _str.substr( 0, wrapPoint ) );
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while( _str[++wrapPoint] == ' ' );
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}
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else if( isWrapPoint( _str[wrapPoint] ) ) {
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addLine( _str.substr( 0, wrapPoint ) );
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}
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else {
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addLine( _str.substr( 0, --wrapPoint ) + '-' );
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}
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return wrapInternal( _str.substr( wrapPoint ) );
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}
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if( _str[pos] == tabChar ) {
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nextTab = pos;
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std::string withoutTab = _str.substr( 0, nextTab ) + _str.substr( nextTab+1 );
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return wrapInternal( withoutTab );
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}
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else if( pos > 0 && isWrapPoint( _str[pos] ) ) {
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wrapPoint = pos;
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}
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}
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addLine( _str );
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}
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std::ostream& operator << ( std::ostream& _stream, LineWrapper const& _lineWrapper ) {
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for( LineWrapper::const_iterator it = _lineWrapper.begin(), itEnd = _lineWrapper.end();
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it != itEnd; ++it ) {
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if( it != _lineWrapper.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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std::string LineWrapper::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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void LineWrapper::addLine( const std::string& _line ) {
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lines.push_back( std::string( tab + getCurrentIndent(), ' ' ) + _line );
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if( nextTab > 0 )
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tab = nextTab;
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}
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std::size_t LineWrapper::getCurrentIndent() const
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{
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return (initialIndent != (std::size_t)-1 && lines.empty() )
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? initialIndent
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: indent;
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}
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} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_LINE_WRAP_HPP_INCLUDED
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