include/internal/catch_text.h

/*
 *  Created by Phil on 18/4/2013.
 *  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_H_INCLUDED
#define TWOBLUECUBES_CATCH_TEXT_H_INCLUDED

#include "catch_config.hpp"

#include <string>
#include <vector>

namespace Catch {

    struct TextAttributes {
        TextAttributes()
        :   initialIndent( std::string::npos ),
            indent( 0 ),
            width( CATCH_CONFIG_CONSOLE_WIDTH-1 ),
            tabChar( '\t' )
        {}

        TextAttributes& setInitialIndent( std::size_t _value )  { initialIndent = _value; return *this; }
        TextAttributes& setIndent( std::size_t _value )         { indent = _value; return *this; }
        TextAttributes& setWidth( std::size_t _value )          { width = _value; return *this; }
        TextAttributes& setTabChar( char _value )               { tabChar = _value; return *this; }

        std::size_t initialIndent;  // indent of first line, or npos
        std::size_t indent;         // indent of subsequent lines, or all if initialIndent is npos
        std::size_t width;          // maximum width of text, including indent. Longer text will wrap
        char tabChar;               // If this char is seen the indent is changed to current pos
    };

    class Text {
    public:
        Text( std::string const& _str, TextAttributes const& _attr = TextAttributes() );
        void spliceLine( std::size_t _indent, std::string& _remainder, std::size_t _pos );

        typedef std::vector<std::string>::const_iterator const_iterator;

        const_iterator begin() const { return lines.begin(); }
        const_iterator end() const { return lines.end(); }
        std::string const& last() const { return lines.back(); }
        std::size_t size() const { return lines.size(); }
        std::string const& operator[]( std::size_t _index ) const { return lines[_index]; }
        std::string toString() const;

        friend std::ostream& operator << ( std::ostream& _stream, Text const& _text );

    private:
        std::string str;
        TextAttributes attr;
        std::vector<std::string> lines;
    };

} // end namespace Catch

#endif // TWOBLUECUBES_CATCH_TEXT_H_INCLUDED