Revert some ABI breaking changes.

taglib/ape/apetag.cpp

@@ -46,6 +46,13 @@ using namespace APE;
 class APE::Tag::TagPrivate
 {
 public:
+  TagPrivate() :
+    file(0),
+    footerLocation(0) {}
+
+  File *file;
+  long footerLocation;
+
   Footer footer;
   ItemListMap itemListMap;
 };
@@ -64,7 +71,10 @@ APE::Tag::Tag(TagLib::File *file, long footerLocation) :
   TagLib::Tag(),
   d(new TagPrivate())
 {
-  read(file, footerLocation);
+  d->file = file;
+  d->footerLocation = footerLocation;
+
+  read();
 }
 
 APE::Tag::~Tag()
@@ -325,19 +335,19 @@ bool APE::Tag::isEmpty() const
 // protected methods
 ////////////////////////////////////////////////////////////////////////////////
 
-void APE::Tag::read(TagLib::File *file, long footerLocation)
+void APE::Tag::read()
 {
-  if(file && file->isValid()) {
+  if(d->file && d->file->isValid()) {
 
-    file->seek(footerLocation);
-    d->footer.setData(file->readBlock(Footer::size()));
+    d->file->seek(d->footerLocation);
+    d->footer.setData(d->file->readBlock(Footer::size()));
 
     if(d->footer.tagSize() <= Footer::size() ||
-       d->footer.tagSize() > static_cast<unsigned long>(file->length()))
+       d->footer.tagSize() > static_cast<unsigned long>(d->file->length()))
       return;
 
-    file->seek(footerLocation + Footer::size() - d->footer.tagSize());
-    parse(file->readBlock(d->footer.tagSize() - Footer::size()));
+    d->file->seek(d->footerLocation + Footer::size() - d->footer.tagSize());
+    parse(d->file->readBlock(d->footer.tagSize() - Footer::size()));
   }
 }
 

taglib/ape/apetag.h

@@ -188,7 +188,7 @@ namespace TagLib {
       /*!
        * Reads from the file specified in the constructor.
        */
-      void read(TagLib::File *file, long footerLocation);
+      void read();
 
       /*!
        * Parses the body of the tag in \a data.

taglib/mpeg/id3v1/id3v1tag.cpp

@@ -42,9 +42,14 @@ class ID3v1::Tag::TagPrivate
 {
 public:
   TagPrivate() :
+    file(0),
+    tagOffset(0),
     track(0),
     genre(255) {}
 
+  File *file;
+  long tagOffset;
+
   String title;
   String artist;
   String album;
@@ -89,7 +94,10 @@ ID3v1::Tag::Tag(File *file, long tagOffset) :
   TagLib::Tag(),
   d(new TagPrivate())
 {
-  read(file, tagOffset);
+  d->file = file;
+  d->tagOffset = tagOffset;
+
+  read();
 }
 
 ID3v1::Tag::~Tag()
@@ -211,12 +219,12 @@ void ID3v1::Tag::setStringHandler(const StringHandler *handler)
 // protected methods
 ////////////////////////////////////////////////////////////////////////////////
 
-void ID3v1::Tag::read(File *file, long tagOffset)
+void ID3v1::Tag::read()
 {
-  if(file && file->isValid()) {
-    file->seek(tagOffset);
+  if(d->file && d->file->isValid()) {
+    d->file->seek(d->tagOffset);
     // read the tag -- always 128 bytes
-    const ByteVector data = file->readBlock(128);
+    const ByteVector data = d->file->readBlock(128);
 
     // some initial sanity checking
     if(data.size() == 128 && data.startsWith("TAG"))

taglib/mpeg/id3v1/id3v1tag.h

@@ -183,7 +183,7 @@ namespace TagLib {
       /*!
        * Reads from the file specified in the constructor.
        */
-      void read(File *file, long tagOffset);
+      void read();
       /*!
        * Pareses the body of the tag in \a data.
        */

taglib/mpeg/id3v2/id3v2tag.cpp

@@ -64,7 +64,8 @@ class ID3v2::Tag::TagPrivate
 {
 public:
   TagPrivate() :
-    fileLength(0),
+    file(0),
+    tagOffset(0),
     extendedHeader(0),
     footer(0)
   {
@@ -77,9 +78,11 @@ public:
     delete footer;
   }
 
-  long fileLength;
   const FrameFactory *factory;
 
+  File *file;
+  long tagOffset;
+
   Header header;
   ExtendedHeader *extendedHeader;
   Footer *footer;
@@ -121,8 +124,10 @@ ID3v2::Tag::Tag(File *file, long tagOffset, const FrameFactory *factory) :
   d(new TagPrivate())
 {
   d->factory = factory;
+  d->file = file;
+  d->tagOffset = tagOffset;
 
-  read(file, tagOffset);
+  read();
 }
 
 ID3v2::Tag::~Tag()
@@ -620,7 +625,7 @@ ByteVector ID3v2::Tag::render(int version) const
   else {
     // Padding won't increase beyond 1% of the file size or 1MB.
 
-    long threshold = d->fileLength / 100;
+    long threshold = d->file ? d->file->length() / 100 : 0;
     threshold = std::max(threshold, MinPaddingSize);
     threshold = std::min(threshold, MaxPaddingSize);
 
@@ -634,9 +639,6 @@ ByteVector ID3v2::Tag::render(int version) const
   d->header.setMajorVersion(version);
   d->header.setTagSize(tagData.size() - Header::size());
 
-  if(d->fileLength > 0)
-    d->fileLength += (d->header.tagSize() - originalSize);
-
   // TODO: This should eventually include d->footer->render().
   const ByteVector headerData = d->header.render();
   std::copy(headerData.begin(), headerData.end(), tagData.begin());
@@ -661,24 +663,22 @@ void ID3v2::Tag::setLatin1StringHandler(const Latin1StringHandler *handler)
 // protected members
 ////////////////////////////////////////////////////////////////////////////////
 
-void ID3v2::Tag::read(TagLib::File *file, long offset)
+void ID3v2::Tag::read()
 {
-  if(!file)
+  if(!d->file)
     return;
 
-  if(!file->isOpen())
+  if(!d->file->isOpen())
     return;
 
-  d->fileLength = file->length();
-
-  file->seek(offset);
-  d->header.setData(file->readBlock(Header::size()));
+  d->file->seek(d->tagOffset);
+  d->header.setData(d->file->readBlock(Header::size()));
 
   // If the tag size is 0, then this is an invalid tag (tags must contain at
   // least one frame)
 
   if(d->header.tagSize() != 0)
-    parse(file->readBlock(d->header.tagSize()));
+    parse(d->file->readBlock(d->header.tagSize()));
 
   // Look for duplicate ID3v2 tags and treat them as an extra blank of this one.
   // It leads to overwriting them with zero when saving the tag.
@@ -690,9 +690,9 @@ void ID3v2::Tag::read(TagLib::File *file, long offset)
 
   while(true) {
 
-    file->seek(offset + d->header.completeTagSize() + extraSize);
+    d->file->seek(d->tagOffset + d->header.completeTagSize() + extraSize);
 
-    const ByteVector data = file->readBlock(Header::size());
+    const ByteVector data = d->file->readBlock(Header::size());
     if(data.size() < Header::size() || !data.startsWith(Header::fileIdentifier()))
       break;
 

taglib/mpeg/id3v2/id3v2tag.h

@@ -382,7 +382,7 @@ namespace TagLib {
        * the Header, the body of the tag  (which contains the ExtendedHeader and
        * frames) and Footer.
        */
-      void read(TagLib::File *file, long offset);
+      void read();
 
       /*!
        * This is called by read to parse the body of the tag.  It determines if an