# Bash completion support for oggz.

# Conrad Parker, Aug 3 2008

# Copyright (C) 2008 Annodex Association

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

# - Redistributions of source code must retain the above copyright

# notice, this list of conditions and the following disclaimer.

#

# - Redistributions in binary form must reproduce the above copyright

# notice, this list of conditions and the following disclaimer in the

# documentation and/or other materials provided with the distribution.

#

# - Neither the name of the Annodex Association nor the names of its

# contributors may be used to endorse or promote products derived from

# this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

# PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ASSOCIATION OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

OGGZ_COMMANDS="chop codecs comment diff dump help info known-codecs merge rip scan sort validate"

__oggzcomp ()

{

    COMPREPLY=( $( compgen -W '$*' -- $cur ))

    return

}

__oggz_commands ()

{

    __oggzcomp $OGGZ_COMMANDS

}

__oggz_known_codecs ()

{

    local cur=$1

    cur_LOWERCASE=$(echo $cur | tr '[:upper:]' '[:lower:]')

    KNOWN=$(oggz-known-codecs)

    KNOWN_LOWERCASE=$(echo $KNOWN | tr '[:upper:]' '[:lower:]')

    # If the user has typed nothing, or lowercase, complete on lowercased

    # codec names

    if [ -z $cur -o $cur = $cur_LOWERCASE ] ; then

      __oggzcomp "$KNOWN_LOWERCASE"

    else

      __oggzcomp "$KNOWN"

    fi

}

# See http://wiki.xiph.org/index.php/MIME_Types_and_File_Extensions

_oggz_filedir ()

{

    _filedir '@(ogx|ogv|oga|ogg|spx|anx|axv|axa)'

}

_oggz_ctype_cmd ()

{

    local cur="${COMP_WORDS[COMP_CWORD]}"

    local prev="${COMP_WORDS[COMP_CWORD-1]}"

    local command=$1

    case "$prev" in

    -c|--content-type)

        __oggz_known_codecs $cur

        return ;;

    esac

    case "$cur" in

    -*)

        __oggzcomp $($command -?)

        return ;;

    *)  _oggz_filedir

        return ;;

    esac

}

_oggz_basic_cmd ()

{

    local cur="${COMP_WORDS[COMP_CWORD]}"

    local command=$1

    case "$cur" in

    -*)

        __oggzcomp $($command -?)

        return ;;

    *)  _oggz_filedir

        return ;;

    esac

}

_oggz_chop ()

{

    _oggz_basic_cmd oggz-chop

}

_oggz_comment ()

{

    _oggz_ctype_cmd oggz-comment

}

_oggz_diff ()

{

    _oggz_ctype_cmd oggz-diff

}

_oggz_dump ()

{

    _oggz_ctype_cmd oggz-dump

}

_oggz_info ()

{

    _oggz_basic_cmd oggz-info

}

_oggz_known_codecs ()

{

    _oggz_basic_cmd oggz-known-codecs

}

_oggz_merge ()

{

    _oggz_basic_cmd oggz-merge

}

_oggz_rip ()

{

    _oggz_ctype_cmd oggz-rip

}

_oggz_scan ()

{

    _oggz_basic_cmd oggz-scan

}

_oggz_sort ()

{

    _oggz_basic_cmd oggz-sort

}

_oggz_validate ()

{

    _oggz_basic_cmd oggz-validate

}

_oggz_codecs ()

{

    _oggz_basic_cmd oggz-codecs

}

_oggz_help ()

{

    __oggz_commands

}

_oggz ()

{

    local cur="${COMP_WORDS[COMP_CWORD]}"

    local prev="${COMP_WORDS[COMP_CWORD-1]}"

    local i c=1 command

    while [ $c -lt $COMP_CWORD ]; do

        i="${COMP_WORDS[c]}"

        case "$i" in

        --version|--help) ;;

        *) command="$i"; break ;;

        esac

        c=$((++c))

    done

    if [ $c -eq $COMP_CWORD -a -z "$command" ]; then

        case "${COMP_WORDS[COMP_CWORD]}" in

        --*) COMPREPLY=() ;;

        *) __oggz_commands ;;

        esac

        return

    fi

    case "$command" in

    chop)	_oggz_chop ;;

    comment)	_oggz_comment ;;

    diff)	_oggz_diff ;;

    dump)	_oggz_dump ;;

    help)	_oggz_help ;;

    info)	_oggz_info ;;

    known-codecs)	_oggz_known-codecs ;;

    merge)	_oggz_merge ;;

    rip)	_oggz_rip ;;

    scan)	_oggz_scan ;;

    sort)	_oggz_sort ;;

    validate)	_oggz_validate ;;

    codecs)	_oggz_codecs ;;

    *)		COMPREPLY=() ;;

    esac

}

# Completion for wrapper oggz tool

complete -o filenames -F _oggz oggz

# Completions for commands

complete -o filenames -F _oggz_chop oggz-chop

complete -o filenames -F _oggz_comment oggz-comment

complete -o filenames -F _oggz_diff oggz-diff

complete -o filenames -F _oggz_dump oggz-dump

complete -o filenames -F _oggz_info oggz-info

complete -o default -F _oggz_known-codecs oggz-known-codecs

complete -o filenames -F _oggz_merge oggz-merge

complete -o filenames -F _oggz_rip oggz-rip

complete -o filenames -F _oggz_scan oggz-scan

complete -o filenames -F _oggz_sort oggz-sort

complete -o filenames -F _oggz_validate oggz-validate

complete -o filenames -F _oggz_codecs oggz-codecs