#if !defined ( INCLUDED_SHADERLIB_H )
#define INCLUDED_SHADERLIB_H

#include "string/string.h"
#include "character.h"
#include "ishaders.h"

inline bool shader_equal( const char* shader, const char* other ){
	return string_equal_nocase( shader, other );
}

inline bool shader_equal_n( const char* shader, const char* other, std::size_t n ){
	return string_equal_nocase_n( shader, other, n );
}

inline bool shader_less( const char* shader, const char* other ){
	return string_less_nocase( shader, other );
}

inline bool shader_equal_prefix( const char* string, const char* prefix ){
	return shader_equal_n( string, prefix, string_length( prefix ) );
}

class shader_less_t
{
public:
bool operator()( const CopiedString& shader, const CopiedString& other ) const {
	return shader_less( shader.c_str(), other.c_str() );
}
};

inline bool shader_valid( const char* shader ){
	return string_is_ascii( shader )
		   && strchr( shader, ' ' ) == 0
		   && strchr( shader, '\n' ) == 0
		   && strchr( shader, '\r' ) == 0
		   && strchr( shader, '\t' ) == 0
		   && strchr( shader, '\v' ) == 0
		   && strchr( shader, '\\' ) == 0;
}

inline const char* GlobalTexturePrefix_get(){
	return GlobalShaderSystem().getTexturePrefix();
}

inline bool shader_is_texture( const char* name ){
	return shader_equal_prefix( name, GlobalTexturePrefix_get() );
}

inline const char* shader_get_textureName( const char* name ){
	return name + string_length( GlobalTexturePrefix_get() );
}

inline bool texdef_name_valid( const char* name ){
	return shader_valid( name ) && shader_is_texture( name );
}

inline const char* texdef_name_default(){
	return GlobalTexturePrefix_get();
}


#endif