1 files changed, 169 insertions, 0 deletions
diff --git a/Src/Plugins/Input/in_mp3/apev2.cpp b/Src/Plugins/Input/in_mp3/apev2.cpp
new file mode 100644
index 00000000..a4ae0d95
--- /dev/null
+++ b/Src/Plugins/Input/in_mp3/apev2.cpp
@@ -0,0 +1,169 @@
+#include "apev2.h"
+
+APE::APE()
+{
+	hasData=false;
+	dirty=false;
+}
+
+int APE::Decode(const void *data, size_t len)
+{
+	if (APEv2::Tag::Parse(data, len) == APEv2::APEV2_SUCCESS)
+	{
+		hasData=true;
+		return 1;
+	}
+
+	return 0;
+}
+
+// return -1 for empty, 1 for OK, 0 for "don't understand metadata name"
+int APE::GetString(const char *metadata, wchar_t *data, int dataLen)
+{
+	if (!hasData)
+		return 0;
+
+	if (!_stricmp(metadata, "replaygain_track_gain")
+	    || !_stricmp(metadata, "replaygain_track_peak")
+	    || !_stricmp(metadata, "replaygain_album_gain")
+	    || !_stricmp(metadata, "replaygain_album_peak"))
+	{
+		if (APEv2::Tag::GetString(metadata, data, dataLen) == APEv2::APEV2_SUCCESS)
+			return 1;
+		return -1;
+	}
+	else
+	{
+		const char *ape_key = MapWinampKeyToApeKey(metadata);
+		if (ape_key)
+		{
+			if (APEv2::Tag::GetString(ape_key, data, dataLen) == APEv2::APEV2_SUCCESS)
+				return 1;
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+int APE::SetString(const char *metadata, const wchar_t *data)
+{
+	if (!_stricmp(metadata, "replaygain_track_gain")
+	    || !_stricmp(metadata, "replaygain_track_peak")
+	    || !_stricmp(metadata, "replaygain_album_gain")
+	    || !_stricmp(metadata, "replaygain_album_peak"))
+	{
+		APEv2::Tag::SetString(metadata, data);
+		dirty=true;
+		hasData=true;
+		return 1;
+	}
+	else
+	{
+		const char *ape_key = MapWinampKeyToApeKey(metadata);
+		if (ape_key)
+		{
+			APEv2::Tag::SetString(ape_key, data);
+			dirty=true;
+			hasData=true;
+			return 1;
+		}
+	}
+	return 0;
+}
+
+void APE::Clear()
+{
+	APEv2::Tag::Clear();
+	dirty=true;
+	hasData=false;
+}
+
+void APE::MarkClear()
+{
+	dirty=true;
+	hasData=false;
+}
+
+int APE::SetKeyValueByIndex(size_t index, const char *key, const wchar_t *data)
+{
+	dirty=true;
+	return APEv2::Tag::SetKeyValueByIndex(index, key, data);
+}
+
+int APE::RemoveItem(size_t index)
+{
+	dirty=true;
+	return APEv2::Tag::RemoveItem(index);
+}
+
+int APE::AddItem()
+{
+	dirty=true;
+	hasData=true;
+	APEv2::Tag::AddItem();
+	return APEv2::APEV2_SUCCESS;
+}
+
+struct ApeKeyMapping
+{
+	const char *ape_key;
+	const char *winamp_key;
+	const wchar_t *winamp_keyW;
+};
+
+static ApeKeyMapping apeKeyMapping[] =
+{
+	{ "Track", "track", L"track" },
+	{"Album", "album", L"album" },
+	{"Artist", "artist", L"artist" },
+	{"Comment", "comment", L"comment" },
+	{"Year", "year", L"year" },
+	{"Genre", "genre", L"genre" },
+	{"Title", "title", L"title"},
+	{"Composer", "composer", L"composer"},
+	{"Performer", "performer", L"performer"},
+	{"Album artist", "albumartist", L"albumartist"},
+};
+
+const wchar_t *APE::MapApeKeyToWinampKeyW(const char *ape_key)
+{
+	size_t num_mappings = sizeof(apeKeyMapping)/sizeof(apeKeyMapping[0]);
+	for (size_t i=0;i!=num_mappings;i++)
+	{
+		if (!_stricmp(ape_key, apeKeyMapping[i].ape_key))
+			return apeKeyMapping[i].winamp_keyW;
+	}
+	return NULL;
+}
+
+const char *APE::MapApeKeyToWinampKey(const char *ape_key)
+{
+	size_t num_mappings = sizeof(apeKeyMapping)/sizeof(apeKeyMapping[0]);
+	for (size_t i=0;i!=num_mappings;i++)
+	{
+		if (!_stricmp(ape_key, apeKeyMapping[i].ape_key))
+			return apeKeyMapping[i].winamp_key;
+	}
+	return NULL;
+}
+
+const char *APE::MapWinampKeyToApeKey(const char *winamp_key)
+{
+	size_t num_mappings = sizeof(apeKeyMapping)/sizeof(apeKeyMapping[0]);
+	for (size_t i=0;i!=num_mappings;i++)
+	{
+		if (!_stricmp(winamp_key, apeKeyMapping[i].winamp_key))
+			return apeKeyMapping[i].ape_key;
+	}
+	return NULL;
+}
+
+int APE::AddKeyValue(const char *key, const wchar_t *data)
+{
+	dirty=true;
+	hasData=true;
+	APEv2::Item *newItem = APEv2::Tag::AddItem();
+	newItem->SetKey(key);
+	return APEv2::Tag::SetItemData(newItem, data);
+}
+\ No newline at end of file