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First cut of new Colour class (to replace TextColour)

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This commit is contained in:
Phil Nash
2013-04-05 07:47:36 +01:00
parent 5c7d3d75cc
commit a3703faa0a
6 changed files with 275 additions and 10 deletions
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118
projects/SelfTest/TestMain.cpp
View File

@@ -495,3 +495,121 @@ TEST_CASE( "Long strings can be wrapped", "[wrap]" ) {
}
}
using namespace Catch;
class ColourString {
public:
struct ColourIndex {
ColourIndex( Colour::Code _colour, std::size_t _fromIndex, std::size_t _toIndex )
: colour( _colour ),
fromIndex( _fromIndex ),
toIndex( _toIndex )
{}
Colour::Code colour;
std::size_t fromIndex;
std::size_t toIndex;
};
ColourString( std::string const& _string )
: string( _string )
{}
ColourString( std::string const& _string, std::vector<ColourIndex> const& _colours )
: string( _string ), colours( _colours )
{}
ColourString& addColour( Colour::Code colour, int _index ) {
colours.push_back( ColourIndex( colour,
resolveRelativeIndex( _index ),
resolveRelativeIndex( _index )+1 ) );
return *this;
}
ColourString& addColour( Colour::Code colour, int _fromIndex, int _toIndex ) {
colours.push_back( ColourIndex( colour,
resolveRelativeIndex(_fromIndex),
resolveLastRelativeIndex( _toIndex ) ) );
return *this;
}
void writeToStream( std::ostream& _stream ) const {
std::size_t last = 0;
for( std::size_t i = 0; i < colours.size(); ++i ) {
ColourIndex const& index = colours[i];
if( index.fromIndex > last )
_stream << string.substr( last, index.fromIndex-last );
{
Colour colourGuard( index.colour );
_stream << string.substr( index.fromIndex, index.toIndex-index.fromIndex );
}
last = index.toIndex;
}
if( last < string.size() )
_stream << string.substr( last );
}
friend std::ostream& operator << ( std::ostream& _stream, ColourString const& _colourString ) {
_colourString.writeToStream( _stream );
return _stream;
}
private:
std::size_t resolveLastRelativeIndex( int _index ) {
std::size_t index = resolveRelativeIndex( _index );
return index == 0 ? string.size() : index;
}
std::size_t resolveRelativeIndex( int _index ) {
return static_cast<std::size_t>( _index >= 0
? _index
: static_cast<int>( string.size() )+_index );
}
std::string string;
std::vector<ColourIndex> colours;
};
class Text
{
public:
Text( std::string const& _string ) : originalString( _string ) {
}
Text( char const* const _string ) : originalString( _string ) {
}
friend std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
_text.print( _stream );
return _stream;
}
private:
void process() const {
}
void print( std::ostream& stream ) const {
stream << originalString;
}
std::string originalString;
// std::vector<
};
TEST_CASE( "Strings can be rendered with colour", "[colour]" ) {
// Text text = "`red`This is in red. `green` this is in green";
// std::cout << text << std::endl;
{
ColourString cs( "hello" );
cs .addColour( Colour::Red, 0 )
.addColour( Colour::Green, -1 );
std::cout << cs << std::endl;
}
{
ColourString cs( "hello" );
cs .addColour( Colour::Blue, 1, -2 );
std::cout << cs << std::endl;
}
}

4
projects/XCode4/CatchSelfTest/CatchSelfTest.xcodeproj/project.pbxproj
View File

@@ -138,8 +138,8 @@
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