#!/bin/bash

#

# texinfo_copyEntrySection.sh -- This function standardizes section

# duplication inside manuals written in texinfo format.

#

# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at

# your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function texinfo_copyEntrySection {

    # Define absolute path to section source and target locations

    # based on non-option arguments passed to `centos-art.sh' script.

    if [[ ${MANUAL_SECN[((${MANUAL_DOCENTRY_ID} + 1))]} != '' ]];then

        # When the section name is specified in first and second

        # non-option arguments, source and target are set as specified

        # in first and second non-option arguments respectively.

        MANUAL_ENTRY_SRC=$(${FLAG_BACKEND}_getEntry ${MANUAL_SECN[${MANUAL_DOCENTRY_ID}]})

        MANUAL_ENTRY_DST=$(${FLAG_BACKEND}_getEntry ${MANUAL_SECN[((${MANUAL_DOCENTRY_ID} + 1))]})

    elif [[ ${MANUAL_SECN[((${MANUAL_DOCENTRY_ID} + 1))]} == '' ]] \

        && [[ ${MANUAL_CHAN[((${MANUAL_DOCENTRY_ID} + 1))]} != '' ]];then

        # When the section name is specified only in the first

        # non-option argument and the chapter name has been provided

        # in the second non-option argument, use the section name

        # passed in first argument to build the section name that will

        # be used as target.

        MANUAL_ENTRY_SRC=$(${FLAG_BACKEND}_getEntry ${MANUAL_SECN[${MANUAL_DOCENTRY_ID}]})

        MANUAL_ENTRY_DST=$(echo $MANUAL_ENTRY_SRC \

            | sed -r "s!${MANUAL_CHAN[${MANUAL_DOCENTRY_ID}]}!${MANUAL_CHAN[((${MANUAL_DOCENTRY_ID} + 1))]}!")

    else

        cli_printMessage "`gettext "The location provided as target isn't valid."`" --as-error-line

    fi

    # Verify source and target locations to be sure they are different

    # one another. We cannot copy a source location to itself.

    if [[ $MANUAL_ENTRY_SRC == $MANUAL_ENTRY_DST ]];then

        cli_printMessage "`gettext "The source and target locations cannot be the same."`" --as-error-line

    fi

    # Print separator line along with action message.

    cli_printMessage '-' --as-separator-line

    cli_printMessage "${MANUAL_ENTRY_DST}" --as-creating-line

    # Verify existence of source location.

    if [[ ! -a ${MANUAL_ENTRY_SRC} ]];then

        cli_printMessage "`gettext "The source location doesn't exist."`" --as-error-line

    fi

    # When we copy sections, the target chapter directory where the

    # source section will be duplicated in, must exist first.  In that

    # sake, verify the chapter directory of target section entry and

    # if it doesn't exist, create it adding using subversion.

    if [[ ! -d $(dirname ${MANUAL_ENTRY_DST}) ]];then

        svn mkdir $(dirname ${MANUAL_ENTRY_DST}) --quiet

    fi

    # Verify existence of target location.

    if [[ -a ${MANUAL_ENTRY_DST} ]];then

        cli_printMessage "`gettext "The target location already exists."`" --as-error-line

    fi

    # Copy section entry from source to target using subversion.

    svn cp "${MANUAL_ENTRY_SRC}" "${MANUAL_ENTRY_DST}" --quiet

    # Redefine chapter name using chapter name passed to

    # `centos-art.sh' script as second non-option argument.

    local MANUAL_CHAPTER_NAME=${MANUAL_CHAN[((${MANUAL_DOCENTRY_ID} + 1))]}

    # Redefine chapter directory to use the chapter provided to

    # `centos-art.sh' script as second non-option argument. This is

    # required in order to update the `chapter-menu.texinfo' file

    # inside the target chapter where section entry was copied to, not

    # the source chapter where the section entry was taken from.  This

    # is particulary useful section entries are copied from one

    # chapter into another different.

    local MANUAL_CHAPTER_DIR=$(dirname ${MANUAL_ENTRY_DST})

    # At this point, all copying actions and chapter related

    # redefinitions have took place. It is time, then, to update the

    # document structure using the information collected so far.

    ${FLAG_BACKEND}_updateStructureSection "${MANUAL_ENTRY_DST}"

}