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#!/bin/bash
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#
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# texinfo_updateSectionMenu.sh -- This function updates the section's
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# menu definition file of a chapter. If this function is called with
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# the '--delete-entry' string as first argument, the menu line related
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# to the entry being processed is removed. Otherwise, if this function
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# is called with the '--add-entry' string as first argument, the menu
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# line related to the entry being processed is added to menu's bottom.
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# If no argument is passed to this function, the '--add-entry' action
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# is assumed.
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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_updateSectionMenu {
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# Specify which action to do with documentation entry inside the
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# chapter menu.
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local ACTION="$1"
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# Build node information used inside chapter menu.
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local MENUNODE=$(${FLAG_BACKEND}_getEntryNode "$MANUAL_ENTRY")
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# Define menu entry using texinfo style and node information as
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# reference.
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local MENULINE="* ${MENUNODE}::"
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# Retrive list of menu entries from chapter menu and exclude
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# `@menu', `@end menu' and empty lines from output.
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local MENU=$(cat $MANUAL_CHAPTER_DIR/chapter-menu.${MANUAL_EXTENSION} \
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| egrep -v '^[[:space:]]*$' | egrep -v '^@(end )?menu')
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# Re-defined chapter menu entries based on action provided to this
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# function as first positional parameter.
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case $ACTION in
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--delete-entry )
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# Remove menu entry from chapter menu.
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MENU=$(echo "$MENU" | egrep -v "$MENULINE")
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;;
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--add-entry | * )
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# Add menu entry to chapter menu list as last entry.
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MENU="$MENU
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$MENULINE"
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;;
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esac
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# Rebuild list of chapter menu entries including '@menu' and '@end
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# menu' lines back into chapter menu.
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MENU="@menu
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$MENU
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@end menu"
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# Remove opening spaces/tabs and empty lines from final menu
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# structure.
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MENU=$(echo "$MENU" | sed -r 's!^[[:space:]]+!!g' \
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| egrep -v '^[[:space:]]*$')
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# Dump chapter menu entries back into chapter's menu definition
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# file.
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echo "$MENU" > $MANUAL_CHAPTER_DIR/chapter-menu.${MANUAL_EXTENSION}
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}
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