// FILE HEADER
#include <dali-toolkit/internal/text/markup-processor-helper-functions.h>
+// EXTERNAL INCLUDES
+#include <dali/public-api/common/constants.h>
+#include <dali/public-api/math/vector2.h>
+#include <stdlib.h>
+#include <sstream>
+#include <iomanip>
+
namespace Dali
{
namespace
{
-const char WHITE_SPACE = 0x20; // ASCII value of the white space.
-const char LAST_UPPER_CASE = 0x5b; // ASCII value of the one after the last upper case character (Z).
-const char TO_LOWER_CASE = 32; // Value to add to a upper case character to transform it into a lower case.
+const char WHITE_SPACE = 0x20; // ASCII value of the white space.
+const char FIRST_UPPER_CASE = 0x41; // ASCII value of the one after the first upper case character (A).
+const char LAST_UPPER_CASE = 0x5b; // ASCII value of the one after the last upper case character (Z).
+const char TO_LOWER_CASE = 32; // Value to add to a upper case character to transform it into a lower case.
+
+const char WEB_COLOR_TOKEN( '#' );
+const char* const HEX_COLOR_TOKEN( "0x" );
+const char* const ALPHA_ONE( "FF" );
+
+const std::string BLACK_COLOR( "black" );
+const std::string WHITE_COLOR( "white" );
+const std::string RED_COLOR( "red" );
+const std::string GREEN_COLOR( "green" );
+const std::string BLUE_COLOR( "blue" );
+const std::string YELLOW_COLOR( "yellow" );
+const std::string MAGENTA_COLOR( "magenta" );
+const std::string CYAN_COLOR( "cyan" );
+const std::string TRANSPARENT_COLOR( "transparent" );
}
bool TokenComparison( const std::string& string1, const char* const stringBuffer2, Length length )
for( std::size_t index = 0; index < stringSize; ++index )
{
- char character = *( stringBuffer2 + index );
- if( *( stringBuffer1 + index ) != ( ( ( character < LAST_UPPER_CASE ) && ( '0' != character ) ) ? character + TO_LOWER_CASE : character ) )
+ const char character = *( stringBuffer2 + index );
+ const bool toLower = ( character < LAST_UPPER_CASE ) && ( character >= FIRST_UPPER_CASE );
+ if( *( stringBuffer1 + index ) != ( toLower ? character + TO_LOWER_CASE : character ) )
{
return false;
}
return true;
}
-void SkipWhiteSpace( const char*& markupStringBuffer,
- const char* const markupStringEndBuffer )
+void SkipWhiteSpace( const char*& stringBuffer,
+ const char* const stringEndBuffer )
+{
+ for( ; ( WHITE_SPACE >= *stringBuffer ) && ( stringBuffer < stringEndBuffer ); ++stringBuffer );
+}
+
+void JumpToWhiteSpace( const char*& stringBuffer,
+ const char* const stringEndBuffer )
+{
+ for( ; ( WHITE_SPACE != *stringBuffer ) && ( stringBuffer < stringEndBuffer ); ++stringBuffer );
+}
+
+unsigned int StringToUint( const char* const uintStr )
+{
+ return static_cast<unsigned int>( strtoul( uintStr, NULL, 10 ) );
+}
+
+unsigned int StringToHex( const char* const uintStr )
+{
+ return static_cast<unsigned int>( strtoul( uintStr, NULL, 16 ) );
+}
+
+float StringToFloat( const char* const floatStr )
+{
+ return static_cast<float>( strtod( floatStr, NULL ) );
+}
+
+void FloatToString( float value, std::string& floatStr )
+{
+ std::stringstream ss;
+ ss << value;
+ floatStr = ss.str();
+}
+
+void UintToString( unsigned int value, std::string& uIntStr )
+{
+ std::stringstream ss;
+ ss << value;
+ uIntStr = ss.str();
+}
+
+void UintColorToVector4( unsigned int color, Vector4& retColor )
+{
+ retColor.a = static_cast<float>( ( color & 0xFF000000 ) >> 24u ) / 255.f;
+ retColor.r = static_cast<float>( ( color & 0x00FF0000 ) >> 16u ) / 255.f;
+ retColor.g = static_cast<float>( ( color & 0x0000FF00 ) >> 8u ) / 255.f;
+ retColor.b = static_cast<float>( color & 0x000000FF ) / 255.f;
+}
+
+void ColorStringToVector4( const char* const colorStr, Length length, Vector4& retColor )
+{
+ if( WEB_COLOR_TOKEN == *colorStr )
+ {
+ std::string webColor( colorStr + 1u, length - 1u );
+ if( 4u == length ) // 3 component web color #F00 (red)
+ {
+ webColor.insert( 2u, &( webColor[2] ), 1u );
+ webColor.insert( 1u, &( webColor[1] ), 1u );
+ webColor.insert( 0u, &( webColor[0] ), 1u );
+ webColor.insert( 0u, ALPHA_ONE );
+ }
+ else if( 7u == length ) // 6 component web color #FF0000 (red)
+ {
+ webColor.insert( 0u, ALPHA_ONE );
+ }
+
+ UintColorToVector4( StringToHex( webColor.c_str() ), retColor );
+ }
+ else if( TokenComparison( HEX_COLOR_TOKEN, colorStr, 2u ) )
+ {
+ UintColorToVector4( StringToHex( colorStr + 2u ), retColor );
+ }
+ else if( TokenComparison( BLACK_COLOR, colorStr, length ) )
+ {
+ retColor = Color::BLACK;
+ }
+ else if( TokenComparison( WHITE_COLOR, colorStr, length ) )
+ {
+ retColor = Color::WHITE;
+ }
+ else if( TokenComparison( RED_COLOR, colorStr, length ) )
+ {
+ retColor = Color::RED;
+ }
+ else if( TokenComparison( GREEN_COLOR, colorStr, length ) )
+ {
+ retColor = Color::GREEN;
+ }
+ else if( TokenComparison( BLUE_COLOR, colorStr, length ) )
+ {
+ retColor = Color::BLUE;
+ }
+ else if( TokenComparison( YELLOW_COLOR, colorStr, length ) )
+ {
+ retColor = Color::YELLOW;
+ }
+ else if( TokenComparison( MAGENTA_COLOR, colorStr, length ) )
+ {
+ retColor = Color::MAGENTA;
+ }
+ else if( TokenComparison( CYAN_COLOR, colorStr, length ) )
+ {
+ retColor = Color::CYAN;
+ }
+ else if( TokenComparison( TRANSPARENT_COLOR, colorStr, length ) )
+ {
+ retColor = Color::TRANSPARENT;
+ }
+}
+
+void Vector4ToColorString( const Vector4& value, std::string& vector2Str )
{
- for( ; ( WHITE_SPACE >= *markupStringBuffer ) && ( markupStringBuffer < markupStringEndBuffer ); ++markupStringBuffer );
+ if( Color::BLACK == value )
+ {
+ vector2Str = BLACK_COLOR;
+ return;
+ }
+
+ if( Color::WHITE == value )
+ {
+ vector2Str = WHITE_COLOR;
+ return;
+ }
+
+ if( Color::RED == value )
+ {
+ vector2Str = RED_COLOR;
+ return;
+ }
+
+ if( Color::GREEN == value )
+ {
+ vector2Str = GREEN_COLOR;
+ return;
+ }
+
+ if( Color::BLUE == value )
+ {
+ vector2Str = BLUE_COLOR;
+ return;
+ }
+
+ if( Color::YELLOW == value )
+ {
+ vector2Str = YELLOW_COLOR;
+ return;
+ }
+
+ if( Color::MAGENTA == value )
+ {
+ vector2Str = MAGENTA_COLOR;
+ return;
+ }
+
+ if( Color::CYAN == value )
+ {
+ vector2Str = CYAN_COLOR;
+ return;
+ }
+
+ if( Color::TRANSPARENT == value )
+ {
+ vector2Str = TRANSPARENT_COLOR;
+ return;
+ }
+
+ const unsigned int alpha = static_cast<unsigned int>( 255.f * value.a );
+ const unsigned int red = static_cast<unsigned int>( 255.f * value.r );
+ const unsigned int green = static_cast<unsigned int>( 255.f * value.g );
+ const unsigned int blue = static_cast<unsigned int>( 255.f * value.b );
+
+ std::stringstream ss;
+ const unsigned int size = 2u * sizeof( unsigned char );
+
+ ss << "0x"
+ << std::setfill('0') << std::setw( size )
+ << std::hex << alpha
+ << std::setfill('0') << std::setw( size )
+ << std::hex << red
+ << std::setfill('0') << std::setw( size )
+ << std::hex << green
+ << std::setfill('0') << std::setw( size )
+ << std::hex << blue;
+ vector2Str = ss.str();
+}
+
+void StringToVector2( const char* const vectorStr, Length length, Vector2& vector2 )
+{
+ // Points to the first character of the string.
+ const char* strBuffer = vectorStr;
+
+ // Points to the first character of the 'x' value.
+ const char* const xBuffer = strBuffer;
+
+ // Jumps to the next white space.
+ JumpToWhiteSpace( strBuffer, strBuffer + length );
+
+ // Points to the first character of the 'y' value.
+ const char* const yBuffer = strBuffer;
+
+ // Converts the shadow's offset to float.
+ vector2.x = StringToFloat( xBuffer );
+ vector2.y = StringToFloat( yBuffer );
+}
+
+void Vector2ToString( const Vector2& value, std::string& vector2Str )
+{
+ FloatToString( value.x, vector2Str );
+ vector2Str += " ";
+
+ std::string yStr;
+ FloatToString( value.y, yStr );
+
+ vector2Str += yStr;
}
} // namespace Text