Method Settings

PanzerChasm/settings.cpp:103–161

}

Settings::Settings( const char* file_name )
	: file_name_(file_name)
{
	FILE* const file= std::fopen( file_name, "rb" );
	if( file == nullptr )
	{
		Log::Warning( "Can not open settins file \"", file_name, "\"" );
		return;
	}

	std::fseek( file, 0, SEEK_END );
	const unsigned int file_size= std::ftell( file );
	std::fseek( file, 0, SEEK_SET );

	std::vector<char> file_data;
	file_data.resize( file_size + 1u );
	file_data[ file_size ]= '\0';

	FileRead( file, file_data.data(), file_size );
	std::fclose( file );

	const char* s= file_data.data();
	while( *s != '\0' )
	{
		std::string str[2]; // key-value pair

		for( unsigned int i= 0u; i < 2u; i++ )
		{
			while( std::isspace( *s ) && *s != '\0' ) s++;
			if( *s == '\0' ) break;

			if( *s == '"' ) // string in quotes
			{
				s++;
				while( *s != '\0' && *s != '"' )
				{
					if( *s == '\\' && ( s[1] == '"' || s[1] == '\\' ) ) s++; // Escaped symbol
					str[i].push_back( *s );
					s++;
				}
				if( *s == '"' )
					s++;
				else
					break;
			}
			else
			{
				while( *s != '\0' && !std::isspace( *s ) )
				{
					str[i].push_back( *s );
					s++;
				}
			}
		}

		if( ! str[0].empty() )
			map_[ SettingsStringContainer(str[0]) ]= str[1];
	}