Blame Scripts/Bash/Functions/Help/Texinfo/texinfo_updateStructureSection.sh

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#!/bin/bash
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#
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# texinfo_updateStructureSection.sh -- This function looks for all
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# section entry files inside manual's base directory and updates menu,
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# nodes and cross references definitions for them all, one at a time.
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#
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# Copyright (C) 2009, 2010, 2011, 2012 The CentOS Project
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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_updateStructureSection {
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    # Print action message. These actions might consume some time to
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    # finish. The more section entries the regular expression pattern
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    # matches, the more time it will take to finish.
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    cli_printMessage "`gettext "Updating section menus, nodes and cross references"`" --as-banner-line
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    local PATTERN=''
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    local MANUAL_ENTRIES=''
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    local ACTIONNAM_SECMENU=''
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    local ACTIONNAM_CROSREF=''
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    # Define regular expression pattern used to build the list of
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    # section entries that will be processed.
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    if [[ "$1" != '' ]];then
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        PATTERN="$1"
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    else
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        PATTERN="${MANUAL_ENTRY}"
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    fi
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    # Verify the pattern value considering both the chapter and
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    # section names. This is required when no chapter or section name
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    # is provided to `centos-art.sh' script, as non-option argument in
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    # the command-line (e.g., `centos-art help --update-structure').
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    if [[ $PATTERN =~ "${MANUAL_NAME}\.${MANUAL_EXTENSION}$" ]] \
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        || [[ $PATTERN =~ "chapter\.${MANUAL_EXTENSION}$" ]];then
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        PATTERN="$(dirname ${MANUAL_ENTRY})/.+\.${MANUAL_EXTENSION}"
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    fi
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    # Define action to perform on menu, nodes and cross references
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    # definitions.
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    case "$2" in 
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        --delete )
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            # Remove menu and node definitions for sections inside
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            # manual, in order to reflect the changes.
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            ACTIONNAM_SECMENU='updateSectionMenu --delete-entry'
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            # Remove cross reference definitions inside manual
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            # structure.
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            ACTIONNAM_CROSREF='deleteCrossReferences'
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            ;;
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        --update | * )
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            # Update menu and node definitions for sections inside
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            # manual, in order to reflect the changes.
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            ACTIONNAM_SECMENU='updateSectionMenu --add-entry'
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            # Resotre cross reference definitions inside manual
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            # structure.  If a documentation entry has been removed by
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            # mistake and that mistake is later fixed by adding the
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            # removed documentation entry back into the manual
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            # structure, it is necessary to rebuild the missing cross
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            # reference information inside the manual structure in
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            # order to reactivate the removed cross refereces, as
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            # well.
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            ACTIONNAM_CROSREF='restoreCrossReferences'
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            ;;
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    esac
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    # Define list of target entries using find's regular expression
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    # pattern as reference. Notice that, when we update section
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    # definition files, the files already exist in the working copy so
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    # the pattern can be its absolute path without any problem. If the
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    # pattern is built correctly, it will match the location and so be
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    # returned to build the list of entries to process. Notice also
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    # that, when updating, it is possible to use a regular expression
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    # to match more than one location and build the list of entries
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    # based on such matching.  In this last configuration, let you to
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    # update menu, nodes and cross references to many section
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    # definitions (i.e., all those section definition file that match
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    # the pattern you specified). 
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    MANUAL_ENTRIES=$(cli_getFilesList ${MANUAL_BASEDIR_L10N} \
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        --pattern="${PATTERN}" | egrep -v "/(${MANUAL_NAME}|chapter)")
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    # Verify list of target entries. Assuming is is empty,  define
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    # list of target documentation entries using pattern as reference
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    # instead.  When we delete a section entry from the working copy,
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    # using find to retrive its path isn't possible because the
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    # section definition file is removed before executing find and by
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    # consequence no match is found.  This issue provokes no section
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    # entry to be removed from menu, nodes and cross references. In
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    # order to solve this, use the pattern value as list of target
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    # entries.  Notice that, in this case, the pattern value must be
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    # the absolute path to that documentation entry which doesn't
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    # exist and we want to update menu, nodes and cross references
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    # information for.
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    if [[ $MANUAL_ENTRIES == '' ]] && [[ $PATTERN =~ '^/[[:alnum:]./_-]+$' ]];then
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        MANUAL_ENTRIES=${PATTERN}
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    fi
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    # Verify list of target entries. Assumming it is still empty,
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    # there is nothing else to do here but printing an error message
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    # describing the fact that no section entry was found to process.
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    if [[ $MANUAL_ENTRIES == '' ]];then
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        cli_printMessage "`gettext "No section entry found to process."`" --as-error-line
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    fi
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    # Loop through target documentation entries in order to update the
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    # documentation structure (e.g., it is not enough with copying
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    # documentation entry files, it is also needed to update menu,
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    # nodes and related cross-references).
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    for MANUAL_ENTRY in ${MANUAL_ENTRIES};do
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        cli_printMessage "${MANUAL_ENTRY}" --as-response-line
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        texinfo_${ACTIONNAM_SECMENU}
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        texinfo_updateSectionNodes
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        texinfo_makeSeeAlso "${MANUAL_ENTRY}"
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        texinfo_${ACTIONNAM_CROSREF} "${MANUAL_ENTRY}"
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    done
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}