Blame Scripts/Bash/Functions/Help/help_updateChaptersMenu.sh

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#!/bin/bash
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#
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# help_updateChaptersMenu.sh - This function updates chapter menu.
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#
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# Copyright (C) 2009-2010 Alain Reguera Delgado
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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
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# (at 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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# 
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# ----------------------------------------------------------------------
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# $Id: help_updateChaptersMenu.sh 44 2010-09-17 05:58:18Z al $
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# ----------------------------------------------------------------------
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function help_updateChaptersMenu {
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    local ACTION=$1
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    local MENUCHAPTERS=''
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    # Build menu of chapters. The Index node is not included as other
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    # nodes are. The Index node is defined insde the master texinfo
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    # file (repository.texi). To create the final .info file
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    # correctly, the Index line in the menu should remain, even no
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    # other node exist.
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    if [[ -f ${MANUALS_FILE[2]} ]];then
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        MENUCHAPTERS=$(cat ${MANUALS_FILE[2]} \
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            | egrep -v "^(@(end )?menu$|\* `gettext "Index"`::.*)$")
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    fi
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    # Re-defined menu of chapters based on action.
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    case $ACTION in
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        'remove-entry' )
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            # Remove chapter from menu.
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            MENUCHAPTERS=$(echo "$MENUCHAPTERS" \
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                | egrep -v "^\* ${CHAPTERNAME}::[[:print:]]*$")
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            ;;
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        'update-entry' | * )
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            # Update chapter menu using texinfo format.
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            MENUCHAPTERS="$MENUCHAPTERS
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                * $CHAPTERNAME::"
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            ;;
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    esac
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    # Remove opening spaces/tabs and empty line from the menu of
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    # chapters. Empty lines may occur the first time the menu of
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    # chapters is created.
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    MENUCHAPTERS=$(echo "$MENUCHAPTERS" | sed -r 's!^[[:space:]]+!!' \
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        | egrep -v '^[[:space:]]*$')
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    # Organize menu of chapters alphabetically and verify that no
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    # duplicated line be included on the list.
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    MENUCHAPTERS=$(echo "$MENUCHAPTERS" | sort | uniq )
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    # Give format to final menu output.
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    MENUCHAPTERS="@menu
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    $MENUCHAPTERS
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    * `gettext "Index"`::
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    @end menu"
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    # Strip opening space/tabs from final menu of chapters.
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    MENUCHAPTERS=$(echo "$MENUCHAPTERS" | sed -r 's!^[[:space:]]+!!' \
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        | egrep -v '^[[:space:]]*$')
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    # Dump organized menu of chapters into file.
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    echo "$MENUCHAPTERS" > ${MANUALS_FILE[2]}
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}