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/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "filetype.hh"
#include "text.hh"
#include <ctype.h>
namespace Filetype {
namespace {
/// Checks if the given string ends with the given substring
bool endsWith( const string & str, const string & tail )
{
return str.size() >= tail.size() && str.compare( str.size() - tail.size(), tail.size(), tail ) == 0;
}
} // 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( const string & str, bool lowercase )
{
string result;
size_t beginPos = 0;
while ( beginPos < str.size() && Text::isspace( str[ beginPos ] ) ) {
++beginPos;
}
size_t endPos = str.size();
while ( endPos && Text::isspace( str[ endPos - 1 ] ) ) {
--endPos;
}
if ( endPos <= beginPos ) {
return string();
}
result.reserve( endPos - beginPos );
while ( beginPos < endPos ) {
result.push_back( lowercase ? tolower( str[ beginPos++ ] ) : str[ beginPos++ ] );
}
return result;
}
bool isNameOfSound( const string & name )
{
string s = simplifyString( name );
return endsWith( s, ".wav" ) || endsWith( s, ".au" ) || endsWith( s, ".voc" ) || endsWith( s, ".ogg" )
|| endsWith( s, ".oga" ) || endsWith( s, ".mp3" ) || endsWith( s, ".m4a" ) || endsWith( s, ".aac" )
|| endsWith( s, ".flac" ) || endsWith( s, ".mid" ) || endsWith( s, ".kar" ) || endsWith( s, ".mpc" )
|| endsWith( s, ".wma" ) || endsWith( s, ".wv" ) || endsWith( s, ".ape" ) || endsWith( s, ".spx" )
|| endsWith( s, ".opus" ) || endsWith( s, ".mpa" ) || endsWith( s, ".mp2" );
}
bool isNameOfVideo( const string & name )
{
string s = simplifyString( name );
return endsWith( s, ".mpg" ) || endsWith( s, ".mpeg" ) || endsWith( s, ".mpe" ) || endsWith( s, ".ogv" )
|| endsWith( s, ".ogm" ) || endsWith( s, ".avi" ) || endsWith( s, ".m4v" ) || endsWith( s, ".mp4" )
|| endsWith( s, ".mkv" ) || endsWith( s, ".wmv" ) || endsWith( s, ".sfw" ) || endsWith( s, ".flv" )
|| endsWith( s, ".divx" ) || endsWith( s, ".3gp" ) || endsWith( s, ".webm" ) || endsWith( s, ".mov" );
}
bool isNameOfPicture( const string & 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, ".webp" )
|| endsWith( s, ".svg" );
}
bool isNameOfTiff( const string & name )
{
string s = simplifyString( name );
return endsWith( s, ".tif" ) || endsWith( s, ".tiff" );
}
bool isNameOfCSS( const string & name )
{
string s = simplifyString( name );
return endsWith( s, ".css" );
}
bool isNameOfSvg( const string & name )
{
string s = simplifyString( name );
return endsWith( s, ".svg" );
}
} // namespace Filetype
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