_id3: initial commit

src/_id3

@@ -0,0 +1,64 @@
+#compdef id3
+
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for id3, based on v0.15
+#
+#  Last updated: 03.04.2013
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Valodim ( https://github.com/Valodim )
+#
+# ------------------------------------------------------------------------------
+
+_id3_genre () {
+
+    setopt localoptions extendedglob
+
+    local -A _id3_genres
+    # got them cached?
+    if _cache_invalid id3-genres || ! _retrieve_cache id3-genres ; then
+
+        # generate from id3 -L otherwise
+        local tmp
+        for line in ${${${(f)"$(_call_program id3genre id3 -L)"}## #}}; do
+            tmp=( ${(s,: ,)line} )
+            _id3_genres[${tmp[1]}]=$tmp[2]
+            # alternate display string, which I decided against in the end
+            # to preserve reasonable alphabetic sorting
+            # "${(l:3:: :)${tmp[1]}}: ${tmp[2]}"
+        done
+
+        # store if we got any
+        (( $#_id3_genres > 0 )) && _store_cache id3-genres _id3_genres
+    fi
+
+    # bail if we don't
+    (( $#_id3_genres > 0 )) || { _message "could not fetch genres"; return }
+
+    _wanted id3genres expl 'Genres' \
+        compadd -d _id3_genres -k _id3_genres && return 0
+
+}
+
+_arguments \
+  '-t[Modifies a Title tag]:title' \
+  '-T[Modifies a Track tag]:track' \
+  '-a[Modifies an Artist tag]:artist' \
+  '-A[Modifies an Album tag]:album' \
+  '-y[Modifies a Year tag]:year' \
+  '-c[Modifies a Comment tag]:comment' \
+  '-g[Modifies a Genre tag]:genre:_id3_genre' \
+  '(-)-l[Lists an ID3 tag]' \
+  '-R[Uses an rfc822-style format for output]' \
+  '(-)-d[Deletes an ID3 tag]' \
+  '(- *)-L[Lists all genres]' \
+  '(- *)-h[Displays this help info]' \
+  '(- *)-v[Prints version info]' \
+   '*:mp3 file:_files -g \*.mp3' && return 0
+