114 lines
3.5 KiB
Factor
114 lines
3.5 KiB
Factor
! Copyright (C) 2008 Tim Wawrzynczak
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! See http://factorcode.org/license.txt for BSD license.
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USING: help.markup help.syntax sequences kernel accessors
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id3.private strings ;
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IN: id3
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HELP: mp3>id3
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{ $values
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{ "path" "a path string" }
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{ "id3v2-info/f" "a tuple storing ID3v2 metadata or f" } }
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{ $description "Return a tuple containing the ID3 information parsed out of the MP3 file, or " { $link f } " if no metadata is present. Words to access the ID3v1 information are here:"
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{ $list
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{ $link title }
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{ $link artist }
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{ $link album }
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{ $link year }
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{ $link genre }
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{ $link comment }
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}
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"For other fields, use the " { $link find-id3-frame } " word."
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} ;
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HELP: album
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{ $values
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{ "id3" id3v2-info }
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{ "album/f" "string or f" }
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}
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{ $description "Returns the album, or " { $link f } " if this field is missing, from a parsed id3 tag." } ;
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HELP: artist
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{ $values
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{ "id3" id3v2-info }
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{ "artist/f" "string or f" }
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}
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{ $description "Returns the artist, or " { $link f } " if this field is missing, from a parsed id3 tag." } ;
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HELP: comment
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{ $values
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{ "id3" id3v2-info }
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{ "comment/f" "string or f" }
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}
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{ $description "Returns the comment, or " { $link f } " if this field is missing, from a parsed id3 tag." } ;
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HELP: genre
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{ $values
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{ "id3" id3v2-info }
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{ "genre/f" "string or f" }
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}
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{ $description "Returns the genre, or " { $link f } " if this field is missing, from a parsed id3 tag." } ;
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HELP: title
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{ $values
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{ "id3" id3v2-info }
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{ "title/f" "string or f" }
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}
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{ $description "Returns the title, or " { $link f } " if this field is missing, from a parsed id3 tag." } ;
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HELP: year
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{ $values
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{ "id3" id3v2-info }
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{ "year/f" "string or f" }
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}
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{ $description "Returns the year, or " { $link f } " if this field is missing, from a parsed id3 tag." } ;
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HELP: find-id3-frame
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{ $values
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{ "id3" id3v2-info } { "name" string }
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{ "obj/f" "object or f" }
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}
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{ $description "Returns the " { $slot "data" } " slot of the ID3 frame with the given name, or " { $link f } "." } ;
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HELP: mp3-paths>id3s
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{ $values
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{ "seq" sequence }
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{ "seq'" sequence }
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}
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{ $description "From a sequence of pathnames, parses each ID3 header and returns a sequence of key/value pairs of pathnames and ID3 objects." } ;
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HELP: find-mp3s
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{ $values
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{ "path" "a pathname string" }
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{ "seq" sequence }
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}
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{ $description "Returns a sequence of MP3 pathnames from a directory and all of its subdirectories." } ;
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HELP: parse-mp3-directory
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{ $values
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{ "path" "a pathname string" }
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{ "seq" sequence }
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}
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{ $description "Returns a sequence of key/value pairs where the key is the path of an MP3 and the value is the parsed ID3 header or " { $link f } " recursively for each MP3 file in the directory and all subdirectories." } ;
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ARTICLE: "id3" "ID3 tags"
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"The " { $vocab-link "id3" } " vocabulary contains words for parsing " { $emphasis "ID3" } " tags, which are textual fields storing an MP3's title, artist, and other metadata." $nl
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"Parsing ID3 tags for a directory of MP3s, recursively:"
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{ $subsection parse-mp3-directory }
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"Finding MP3 files recursively:"
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{ $subsection find-mp3s }
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"Parsing a sequence of MP3 pathnames:"
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{ $subsection mp3-paths>id3s }
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"Parsing an MP3 file's ID3 tags:"
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{ $subsection mp3>id3 }
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"ID3v1 frame tag accessors:"
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{ $subsection album }
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{ $subsection artist }
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{ $subsection comment }
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{ $subsection genre }
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{ $subsection title }
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{ $subsection year }
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"Access any frame tag:"
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{ $subsection find-id3-frame } ;
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ABOUT: "id3"
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