#!/bin/bash

#

# texinfo_createChapter.sh -- This function standardizes chapter

# creation insdie the manual structure.

#

# Copyright (C) 2009, 2010, 2011, 2012 The CentOS Project

#

# 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_createChapter {

    # Verify chapter directory inside the manual structure.  The

    # chapter directory is where chapter-specific information (e.g.,

    # chapter definition files and sections) are stored in.  If this

    # directory already exist, assume it was created correctly in the

    # past. Otherwise, request confirmation for creating it.

    if [[ -d $MANUAL_CHAPTER_DIR ]];then

        return

    else

        cli_printMessage "`gettext "The following documentation chapter doesn't exist:"`" --as-stdout-line

        cli_printMessage "${MANUAL_CHAPTER_DIR}" --as-response-line

        cli_printMessage "`gettext "Do you want to create it now?"`" --as-yesornorequest-line

    fi

    # Initialize chapter node, chapter index and chapter title.

    local MANUAL_CHAPTER_NODE=''

    local MANUAL_CHAPTER_TITLE=''

    local MANUAL_CHAPTER_CIND=''

    # Request the user to enter a chapter title.

    cli_printMessage "`gettext "Enter chapter's title"`" --as-request-line

    read MANUAL_CHAPTER_TITLE

    # Sanitate chapter node, chapter index and chapter title.

    MANUAL_CHAPTER_NODE=$(texinfo_getEntryNode "$MANUAL_CHAPTER_NAME")

    MANUAL_CHAPTER_CIND=$(texinfo_getEntryIndex "$MANUAL_CHAPTER_TITLE")

    MANUAL_CHAPTER_TITLE=$(texinfo_getEntryTitle "$MANUAL_CHAPTER_TITLE")

    # Define list of template files used to build the chapter main

    # definition files.

    local FILE=''

    local FILES=$(cli_getFilesList "${MANUAL_TEMPLATE_L10N}/Chapters" \

        --maxdepth='1' \

        --pattern="^.+/chapter(-menu|-nodes)?\.${MANUAL_EXTENSION}$")

    # Create chapter directory using subversion. This is the place

    # where all chapter-specific files will be stored in.

    if [[ ! -d ${MANUAL_CHAPTER_DIR} ]];then

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

        cli_runFnEnvironment vcs --quiet --mkdir ${MANUAL_CHAPTER_DIR}

    fi

    # Create chapter-specific files using template files as reference.

    for FILE in $FILES;do

        # Verify texinfo templates used as based to build the chapter

        # structure.  Be sure they are inside the working copy of

        # The CentOS Artwork Repository (-w) and under version control

        # (-n), too.

        cli_checkFiles ${FILE} --is-versioned

        # Print action name.

        cli_printMessage "${MANUAL_CHAPTER_DIR}/$(basename ${FILE})" --as-creating-line

        # Copy template files into the chapter directory.

        cli_runFnEnvironment vcs --quiet --copy ${FILE} ${MANUAL_CHAPTER_DIR}

    done

    # Before expanding chapter information, be sure the slash (/)

    # character be scaped. Otherwise, if the slashes aren't scape,

    # they will be interpreted as sed's separator and might provoke

    # sed to complain.

    MANUAL_CHAPTER_NODE=$(echo "$MANUAL_CHAPTER_NODE" | sed -r 's/\//\\\//g')

    MANUAL_CHAPTER_CIND=$(echo "$MANUAL_CHAPTER_CIND" | sed -r 's/\//\\\//g')

    MANUAL_CHAPTER_TITLE=$(echo "$MANUAL_CHAPTER_TITLE" | sed -r 's/\//\\\//g')

    MANUAL_CHAPTER_NAME=$(echo "$MANUAL_CHAPTER_NAME" | sed -r 's/\//\\\//g')

    # Expand translation markers inside chapter main definition file.  

    sed -i -r \

        -e "s/=CHAPTER_NODE=/${MANUAL_CHAPTER_NODE}/" \

        -e "s/=CHAPTER_TITLE=/${MANUAL_CHAPTER_TITLE}/" \

        -e "s/=CHAPTER_CIND=/${MANUAL_CHAPTER_CIND}/" \

        -e "s/=CHAPTER_NAME=/${MANUAL_CHAPTER_NAME}/" \

        ${MANUAL_CHAPTER_DIR}/chapter.${MANUAL_EXTENSION}

    # Remove content from `chapter-nodes.texinfo' file to start with a

    # clean node structure. This file is also used to create new

    # documentation entries, but we don't need that information right

    # now (when the chapter structure is created), just an empty copy

    # of the file. The node structure of chapter is created

    # automatically based on action value.

    echo "" > ${MANUAL_CHAPTER_DIR}/chapter-nodes.${MANUAL_EXTENSION}

    # Update chapter information inside the manual's texinfo

    # structure.

    texinfo_updateChapterMenu

    texinfo_updateChapterNodes

}