Blame Scripts/Bash/Functions/Locale/locale_updateMessageXml.sh

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#!/bin/bash
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#
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# locale_updateMessageXml.sh -- This function parses XML-based files
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# (e.g., scalable vector graphics), retrives translatable strings and
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# creates/update gettext portable objects.
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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 locale_updateMessageXml {
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    # Print separator line.
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    cli_printMessage '-' --as-separator-line
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    # Define filename used to create both portable object templates
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    # (.pot) and portable objects (.po) files.
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    local MESSAGES="${L10N_WORKDIR}/messages"
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    # Define regular expression to match the file extension of all
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    # XML-based source files that can be localized inside the working
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    # copy.  Be aware that sometimes, source files and output files
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    # are stored in the same location (e.g., when rendering
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    # `tcar-ug.docbook' file the `tcar-ug.xhtml' is saved in the same
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    # location). Avoid using output files as if they were source
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    # files, when retriving translatable strings.
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    local EXTENSION='(svg|svgz|docbook)'
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    # Build list of files to process. When building the patter, be
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    # sure the value passed through `--filter' be exactly evaluated
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    # with the extension as prefix. Otherwise it would be difficult to
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    # match files that share the same characters in their file names
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    # (e.g., it would be difficult to match only `hello.docbook' if
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    # `hello-world.docbook' also exists in the same location).
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    local FILES=$(cli_getFilesList ${ACTIONVAL} \
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        --pattern="${FLAG_FILTER}\.${EXTENSION}" \
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        --maxdepth='1' --type="f" \
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        | egrep -v '/[[:alpha:]]{2}_[[:alpha:]]{2}/')
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    # Print action message.
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    cli_printMessage "${MESSAGES}.pot" --as-updating-line
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    # Normalize XML files, expand entities before retriving
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    # translatable strings and create the portable object template
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    # (.pot) from such output.  The translatable strings are retrived
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    # from the normalized output of files, not files themselves
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    # (because of this, we don't include `#: filename:line' output on
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    # .pot files).  Entity expansion is also necessary for DocBook
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    # documents to be processed correctly. Notice that some long
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    # DocBook document structures might use entities to split the
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    # document structure into smaller pieces so they could be easier
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    # to maintain. Also, don't validate svg files the same way you
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    # validate docbook files; Docbook files have a DOCTYPE definition
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    # while svg files don't. Without a DOCTYPE definition, it isn't
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    # possible for `xmllint' to validate the document. 
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    if [[ $ACTIONVAL =~ '^.+/(branches|trunk)/Documentation/Manuals/.+$' ]];then
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        # Another issue to consider is the amount of source files that
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        # are being processed through xml2po. When there are more than
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        # one file, xml2po interprets only the first one and discards
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        # the rest in the list. This way, when more than one file
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        # exists in the list, it isn't convenient to provide xmllint's
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        # output to xml2po's input. Once here, we can say that in
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        # order to expand DocBook entities it is required that only
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        # one file must be provided at localization time (e.g., using
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        # the `--filter' option). Otherwise translation messages are
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        # retrived from all files, but no entity expansion is realized
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        # because xmllint wouldn't be used in such case.
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        if [[ $(echo "$FILES" | wc -l) -eq 1 ]];then
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            xmllint --valid --noent ${FILES} | xml2po -a - \
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                | msgcat --output=${MESSAGES}.pot --width=70 --no-location -
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        else
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            xml2po -a ${FILES} \
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                | msgcat --output=${MESSAGES}.pot --width=70 --no-location -
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        fi
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    elif [[ $ACTIONVAL =~ '^.+/(branches|trunk)/Identity/Models/.+$' ]];then
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        # Inside trunk/Identity/Models, design models can be
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        # compressed or uncompressed. Because of this we cannot
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        # process all the design models in one unique way. Instead, we
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        # need to treat them individually based on their file type.
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        # Initialize name of temporal files.
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        local TEMPFILE=''
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        local TEMPFILES=''
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        for FILE in $FILES;do
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            # Redefine temporal file based on file been processed.
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            TEMPFILE=$(cli_getTemporalFile $(basename ${FILE} ))
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            # Update the command used to read content of XML files.
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            if [[ $(file -b -i $FILE) =~ '^application/x-gzip$' ]];then
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                # Create uncompressed copy of file.
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                /bin/zcat $FILE > $TEMPFILE
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            else
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                # Create uncompressed copy of file.
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                /bin/cat $FILE > $TEMFILE
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            fi
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            # Concatenate temporal files into a list so we can process
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            # them later through xml2po.
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            TEMPFILES="${TEMPFILE} ${TEMPFILES}"
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        done
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        # Create the portable object template.
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        xml2po -a $TEMPFILES \
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            | msgcat --output=${MESSAGES}.pot --width=70 --no-location -
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        # Remove list of temporal files. They are no longer needed.
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        rm $TEMPFILES --force
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    else
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        cli_printMessage "`gettext "The path provided doesn't support localization."`" --as-error-line
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    fi
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   # Verify, initialize or merge portable objects from portable object
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   # templates.
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   locale_updateMessagePObjects "${MESSAGES}"
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}