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Merge pull request #65 from TsudaKageyu/tagsondisk

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Add MPEG::FILE::Has*Tag functions
This commit is contained in:
Stephen F. Booth 2012-09-08 05:14:30 -07:00
commit 02d034f53f
3 changed files with 36 additions and 0 deletions
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15
taglib/mpeg/mpegfile.cpp
View File

@ -437,6 +437,21 @@ long MPEG::File::lastFrameOffset()
return previousFrameOffset(ID3v1Tag() ? d->ID3v1Location - 1 : length());
}
bool MPEG::File::hasID3v1Tag() const
{
return d->hasID3v1;
}
bool MPEG::File::hasID3v2Tag() const
{
return d->hasID3v2;
}
bool MPEG::File::hasAPETag() const
{
return d->hasAPE;
}
////////////////////////////////////////////////////////////////////////////////
// private members
////////////////////////////////////////////////////////////////////////////////

15
taglib/mpeg/mpegfile.h
View File

@ -301,6 +301,21 @@ namespace TagLib {
*/
long lastFrameOffset();
/*!
* Returns whether or not the file on disk contains ID3v1 tag.
*/
bool hasID3v1Tag() const;
/*!
* Returns whether or not the file on disk contains ID3v2 tag.
*/
bool hasID3v2Tag() const;
/*!
* Returns whether or not the file on disk contains APE tag.
*/
bool hasAPETag() const;
private:
File(const File &);
File &operator=(const File &);

6
tests/test_mpeg.cpp
View File

@ -32,9 +32,12 @@ public:
String xxx = ByteVector(254, 'X');
MPEG::File f(newname.c_str());
CPPUNIT_ASSERT_EQUAL(false, f.hasID3v2Tag());
f.tag()->setTitle(xxx);
f.tag()->setArtist("Artist A");
f.save(MPEG::File::AllTags, true, 4);
CPPUNIT_ASSERT_EQUAL(true, f.hasID3v2Tag());
MPEG::File f2(newname.c_str());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(4), f2.ID3v2Tag()->header()->majorVersion());
@ -66,9 +69,12 @@ public:
String xxx = ByteVector(254, 'X');
MPEG::File f(newname.c_str());
CPPUNIT_ASSERT_EQUAL(false, f.hasID3v2Tag());
f.tag()->setTitle(xxx);
f.tag()->setArtist("Artist A");
f.save(MPEG::File::AllTags, true, 3);
CPPUNIT_ASSERT_EQUAL(true, f.hasID3v2Tag());
MPEG::File f2(newname.c_str());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(3), f2.ID3v2Tag()->header()->majorVersion());