Blame Scripts/Functions/Help/Backends/Texinfo/texinfo_makeSeeAlso.sh

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#!/bin/bash
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#
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# texinfo_makeSeeAlso.sh -- This function creates an itemized list
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# of links to refer parent documentation entries. This list of links
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# is expanded wherever the =TEXINFO_SEEALSO= translation marker be
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# placed in the documentation entry.
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#
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# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function texinfo_makeSeeAlso {
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    local FILE="$1"
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    local NODE="$2"
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    local NODECOMP=''
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    local NODECOMPS_TOTAL=''
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    local -a NODECOMPS
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    local SEEALSO_LIST=''
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    # Stript out the node information in order to retrive its
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    # components individually.
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    for NODECOMP in $(echo $NODE);do
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        NODECOMPS[((++${#NODECOMPS[*]}))]=$NODECOMP
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    done
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    # Define how many components does the node have.
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    local NODECOMPS_TOTAL=$((${#NODECOMPS[*]}))
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    # Define the list content. This list should contain all the parent
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    # documentation entries under the same chapter, using the current
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    # documentation entry as reference. Assuming no parent directory
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    # exist for the current documentation entry, print just one item
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    # with three dots as content so as to let the user deside what the
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    # most appropriate content for this section would be.
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    if [[ $NODECOMPS_TOTAL -gt 2 ]];then
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        SEEALSO_LIST=$(\
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            until [[ ${NODECOMPS_TOTAL} -eq 2 ]];do
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                echo "@item @ref{$NODE" \
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                    | cut -d ' ' -f-"$NODECOMPS_TOTAL" \
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                    | sed -r -e 's!^[:space:]*!\\n!' -e 's!$!}!';
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                NODECOMPS_TOTAL=$(($NODECOMPS_TOTAL - 1))
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            done)
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    else
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        SEEALSO_LIST=$(echo '\\n@item @dots{}')
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    fi
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    # Define the list type and merge its content.
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    SEEALSO_LIST="$(echo '@itemize'$SEEALSO_LIST'\n@end itemize')"
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    # Expand translation marker in the documentation entry.
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    sed -i -e "/=TEXINFO_SEEALSO=/c\\$SEEALSO_LIST" $FILE
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}