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| author | Max Kellermann <max@duempel.org> | 2013-12-02 12:46:48 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2013-12-02 12:46:48 +0100 |
| commit | 20ebacf489333933ce752d66ffb6068434a846f5 (patch) | |
| tree | 2cc9b1e04e44bd247c8af8ae6e234373a15a0917 | |
| parent | c6ef0e88879d2cd203a74cfda2a574e949486877 (diff) | |
| download | mpd-20ebacf489333933ce752d66ffb6068434a846f5.tar.gz mpd-20ebacf489333933ce752d66ffb6068434a846f5.tar.xz mpd-20ebacf489333933ce752d66ffb6068434a846f5.zip | |
Tag: add methods RemoveAll(), RemoveType()
| -rw-r--r-- | src/tag/Tag.cxx | 20 | ||||
| -rw-r--r-- | src/tag/Tag.hxx | 12 |
2 files changed, 32 insertions, 0 deletions
diff --git a/src/tag/Tag.cxx b/src/tag/Tag.cxx index 6bf070429..0fb7ea93b 100644 --- a/src/tag/Tag.cxx +++ b/src/tag/Tag.cxx @@ -223,3 +223,23 @@ Tag::AddItem(TagType type, const char *value) { AddItem(type, value, strlen(value)); } + +void +Tag::RemoveType(TagType type) +{ + auto dest = items, src = items, end = items + num_items; + + tag_pool_lock.lock(); + while (src != end) { + TagItem *item = *src++; + if (item->type == type) + /* remove it */ + tag_pool_put_item(item); + else + /* keep it */ + *dest++ = item; + } + tag_pool_lock.unlock(); + + num_items = dest - items; +} diff --git a/src/tag/Tag.hxx b/src/tag/Tag.hxx index e404a4f26..0e48298a7 100644 --- a/src/tag/Tag.hxx +++ b/src/tag/Tag.hxx @@ -122,6 +122,18 @@ struct Tag { void AddItem(TagType type, const char *value); /** + * Removes all tag items. + */ + void RemoveAll() { + num_items = 0; + } + + /** + * Removes all tag items of the specified type. + */ + void RemoveType(TagType type); + + /** * Merges the data from two tags. If both tags share data for the * same TagType, only data from "add" is used. * |