#!/bin/bash

#

# cli_replaceTMarkers.sh -- This function standardizes

# replacements for common translation markers. Raplacements are

# applied to temporal instances used to produce the final file.

#

# Copyright (C) 2009-2011 Alain Reguera Delgado

# 

# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

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

# $Id$

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

function cli_replaceTMarkers {

    # Initialize variables.

    local -a SRC

    local -a DST

    local COUNT=0

    local COUNTSRC=0

    local COUNTDST=0

    local LOCATION=''

    # Define source location on which sed replacements take place. By

    # default we use the value of INSTANCE variable, but if $1 is not

    # empty assume $1 as source location on which sed replacements

    # take place. This makes possible to reuse this function on

    # different source locations.

    if [[ "$1" != '' ]];then

        LOCATION="$1" 

    else

        LOCATION="${INSTANCE}" 

    fi

    # Verify source location file.

    cli_checkFiles "$LOCATION" 'f'

    # Define translation markers. The translation marker definition

    # order is important. Note that when we render concept directory

    # structure, we make two replacements to produce the final

    # copyright note. First, we replace =COPYRIGHT= translation marker

    # and later the =THEMENAME= translation maker (not the oposite).

    SRC[0]='=COPYRIGHT='

    SRC[1]='=DESCRIPTION='

    SRC[2]='=LICENSE='

    SRC[3]='=LICENSE_URL='

    SRC[4]='=THEME='

    SRC[5]='=THEMENAME='

    SRC[6]='=THEMERELEASE='

    SRC[7]='=RELEASE='

    SRC[8]='=MAJOR_RELEASE='

    SRC[9]='=MINOR_RELEASE='

    SRC[10]='=URL='

    SRC[11]='=ARCH='

    SRC[12]='=URL_WIKI='

    SRC[13]='=URL_LISTS='

    SRC[14]='=URL_FORUMS='

    SRC[15]='=URL_MIRRORS='

    SRC[16]='=URL_DOCS='

    # Define replacements for translation markers.

    DST[0]="$(cli_getCopyrightInfo '--copyright')"

    DST[1]="$(cli_getCopyrightInfo '--description')"

    DST[2]="$(cli_getCopyrightInfo '--license')"

    DST[3]="$(cli_getCopyrightInfo '--license-url')"

    DST[4]="$(cli_getPathComponent "$FILE" '--theme')"

    DST[5]="$(cli_getPathComponent "$FILE" '--theme-name')"

    DST[6]="$(cli_getPathComponent "$FILE" '--theme-release')"

    DST[7]="$(cli_getPathComponent "$FILE" '--release')"

    DST[8]="$(cli_getPathComponent "$FILE" '--release-major')"

    DST[9]="$(cli_getPathComponent "$FILE" '--release-minor')"

    DST[10]="http://$(cli_getCurrentLocale).centos.org/"

    DST[11]="$(cli_getPathComponent "$FILE" '--architecture')"

    DST[12]="=URL=wiki/"

    DST[13]="=URL=lists/"

    DST[14]="=URL=forums/"

    DST[15]="=URL=mirrors/"

    DST[16]="=URL=docs/"

    # Do replacement of nested translation markers.

    while [[ $COUNTDST -lt ${#DST[@]} ]];do

        # Verify existence of translation markers. If there is no

        # translation marker on replacement, continue with the next

        # one in the list.

        if [[ ! ${DST[$COUNTDST]} =~ '=[A-Z_]+=' ]];then

            # Increment destination counter.

            COUNTDST=$(($COUNTDST + 1))

            # The current replacement value doesn't have translation

            # marker inside, so skip it and evaluate the next

            # replacement value in the list.

            continue

        fi

        while [[ $COUNTSRC -lt ${#SRC[*]} ]];do

            # Update replacements.

            DST[$COUNTDST]=$(echo ${DST[$COUNTDST]} \

                | sed -r "s!${SRC[$COUNTSRC]}!${DST[$COUNTSRC]}!g")

            # Increment source counter.

            COUNTSRC=$(($COUNTSRC + 1))

        done

        # Reset source counter

        COUNTSRC=0

        # Increment destination counter.

        COUNTDST=$(($COUNTDST + 1))

    done

    # Apply replacements for translation markers.

    while [[ ${COUNT} -lt ${#SRC[*]} ]];do

        # Use sed to replace translation markers inside the design

        # model instance.

        sed -r -i "s!${SRC[$COUNT]}!${DST[$COUNT]}!g" ${LOCATION}

        # Increment counter.

        COUNT=$(($COUNT + 1))

    done

    # Unset specific translation markers and specific replacement

    # variables in order to clean them up. Otherwise, undesired values

    # may ramain from one file to another.

    unset SRC

    unset DST

}