/* This file is (c) 2008-2010 Konstantin Isakov * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */ #include "filetype.hh" #include namespace Filetype { namespace { /// Removes any trailing or leading spaces and lowercases the string. /// The lowercasing is done simplistically, but it is enough for file /// extensions. string simplifyString( string const & str ) { string result; size_t beginPos = 0; while( beginPos < str.size() && isspace( str[ beginPos ] ) ) ++beginPos; size_t endPos = str.size(); while( endPos && isspace( str[ endPos - 1 ] ) ) --endPos; result.reserve( endPos - beginPos ); while( beginPos < endPos ) result.push_back( tolower( str[ beginPos++ ] ) ); return result; } /// Checks if the given string ends with the given substring bool endsWith( string const & str, string const & tail ) { return str.size() >= tail.size() && str.compare( str.size() - tail.size(), tail.size(), tail ) == 0; } } bool isNameOfSound( string const & name ) { string s = simplifyString( name ); return endsWith( s, ".wav" ) || endsWith( s, ".au" ) || endsWith( s, ".voc" ) || endsWith( s, ".ogg" ) || endsWith( s, ".mp3" ) || endsWith( s, ".mp4" ) || endsWith( s, ".aac" ) || endsWith( s, ".flac" ) || endsWith( s, ".mid" ) || endsWith( s, ".kar" ) || endsWith( s, ".mpc" ) || endsWith( s, ".wma" ) || endsWith( s, ".wv" ) || endsWith( s, ".ape" ); } bool isNameOfPicture( string const & name ) { string s = simplifyString( name ); return endsWith( s, ".jpg" ) || endsWith( s, ".jpeg" ) || endsWith( s, ".jpe" ) || endsWith( s, ".png" ) || endsWith( s, ".gif" ) || endsWith( s, ".bmp" ) || endsWith( s, ".tif" ) || endsWith( s, ".tiff" ) || endsWith( s, ".tga" ) || endsWith( s, ".pcx" ) || endsWith( s, ".ico" ) || endsWith( s, ".svg" ); } bool isNameOfTiff( string const & name ) { string s = simplifyString( name ); return endsWith( s, ".tif" ) || endsWith( s, ".tiff" ); } }