decoder/flac: move class FlacMetadataChain to separate source

src/decoder/plugins/FlacCommon.cxx

@@ -25,6 +25,7 @@
 #include "FlacCommon.hxx"
 #include "FlacMetadata.hxx"
 #include "Log.hxx"
+#include "input/InputStream.hxx"
 
 #include <exception>
 

src/decoder/plugins/FlacDecoderPlugin.cxx

@@ -22,7 +22,7 @@
 #include "FlacStreamDecoder.hxx"
 #include "FlacDomain.hxx"
 #include "FlacCommon.hxx"
-#include "FlacMetadata.hxx"
+#include "lib/xiph/FlacMetadataChain.hxx"
 #include "OggCodec.hxx"
 #include "fs/Path.hxx"
 #include "fs/NarrowPath.hxx"

src/decoder/plugins/FlacMetadata.cxx

@@ -20,7 +20,6 @@
 #include "config.h"
 #include "FlacMetadata.hxx"
 #include "lib/xiph/XiphTags.hxx"
-#include "lib/xiph/FlacMetadataIterator.hxx"
 #include "MixRampInfo.hxx"
 #include "tag/Handler.hxx"
 #include "tag/Table.hxx"
@@ -160,17 +159,3 @@ flac_vorbis_comments_to_tag(const FLAC__StreamMetadata_VorbisComment *comment)
 	flac_scan_comments(comment, h);
 	return tag_builder.Commit();
 }
-
-void
-FlacMetadataChain::Scan(TagHandler &handler) noexcept
-{
-	FlacMetadataIterator iterator(chain);
-
-	do {
-		FLAC__StreamMetadata *block = iterator.GetBlock();
-		if (block == nullptr)
-			break;
-
-		flac_scan_metadata(block, handler);
-	} while (iterator.Next());
-}

src/decoder/plugins/FlacMetadata.hxx

@@ -20,71 +20,11 @@
 #ifndef MPD_FLAC_METADATA_H
 #define MPD_FLAC_METADATA_H
 
-#include "Compiler.h"
-#include "lib/xiph/FlacIOHandle.hxx"
-
 #include <FLAC/metadata.h>
 
 class TagHandler;
 class MixRampInfo;
 
-class FlacMetadataChain {
-	FLAC__Metadata_Chain *chain;
-
-public:
-	FlacMetadataChain():chain(::FLAC__metadata_chain_new()) {}
-
-	~FlacMetadataChain() {
-		::FLAC__metadata_chain_delete(chain);
-	}
-
-	explicit operator FLAC__Metadata_Chain *() {
-		return chain;
-	}
-
-	bool Read(const char *path) noexcept {
-		return ::FLAC__metadata_chain_read(chain, path);
-	}
-
-	bool Read(FLAC__IOHandle handle,
-		  FLAC__IOCallbacks callbacks) noexcept {
-		return ::FLAC__metadata_chain_read_with_callbacks(chain,
-								  handle,
-								  callbacks);
-	}
-
-	bool Read(InputStream &is) noexcept {
-		return Read(::ToFlacIOHandle(is), ::GetFlacIOCallbacks(is));
-	}
-
-	bool ReadOgg(const char *path) noexcept {
-		return ::FLAC__metadata_chain_read_ogg(chain, path);
-	}
-
-	bool ReadOgg(FLAC__IOHandle handle,
-		     FLAC__IOCallbacks callbacks) noexcept {
-		return ::FLAC__metadata_chain_read_ogg_with_callbacks(chain,
-								      handle,
-								      callbacks);
-	}
-
-	bool ReadOgg(InputStream &is) {
-		return ReadOgg(::ToFlacIOHandle(is), ::GetFlacIOCallbacks(is));
-	}
-
-	gcc_pure
-	FLAC__Metadata_ChainStatus GetStatus() const noexcept {
-		return ::FLAC__metadata_chain_status(chain);
-	}
-
-	gcc_pure
-	const char *GetStatusString() const noexcept {
-		return FLAC__Metadata_ChainStatusString[GetStatus()];
-	}
-
-	void Scan(TagHandler &handler) noexcept;
-};
-
 struct Tag;
 struct ReplayGainInfo;