#!/bin/bash

#

# manual_getEntry.sh -- This function builds a documentation entry based

# on a location specified. Location specification can be both action

# value (ACTIONVAL) variable or a value passed as first positional

# parameter.

#

# 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 manual_getEntry {

    # Define variables as local to avoid conflicts outside.

    local ENTRY=''

    local LOCATION=''

    # Redefine location in order to make this function reusable not

    # just for action value variable but whatever value passed as

    # first possitional argument.

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

        LOCATION="$1"

    else

        LOCATION="$ACTIONVAL"

    fi

    # Define relative path of entry, from trunk directory on.

    ENTRY=$(echo $LOCATION | sed -r "s!^${HOME}/artwork/!!")

    # Verify the entry relative path to find out which documentation

    # manual we are acting on. As convenction, whatever documentation

    # entry you provide outside trunk/Manuals/ directory structure is

    # considered as you are documenting the repository directory

    # structure. Otherwise, if an entry inside trunk/Manuals/ is

    # provided, the directory structure provided is used as default

    # documentation manual for actions like `--create' and `--update'

    # to take place on. Other options like `--edit', `--delete' and

    # `--read' cannot be applied to paths provided is inside

    # trunk/Manuals/ such actions made manually.

    if [[ ${ENTRY} =~ '^trunk/Manuals/.+$' ]];then

        ENTRY=$(echo ${ENTRY} | sed 's!trunk/Manuals/!!')

    else

        ENTRY=$(dirname Filesystem/${ENTRY})/$(basename $LOCATION).texi

    fi

    # Re-define entry to set absolute path to manuals base directory

    # structure.

    ENTRY=${MANUAL_BASEDIR}/${ENTRY}

    # Re-define documentation entry to handle chapter entries. Chapter

    # entries are handled inside the chapter it refers to, not outside

    # it. To store chapter-specific information, the special file

    # chapter-intro.texi is used inside the chapter.  

    # TODO: automate the verification, in order to accept any other

    # structure in the first level.

    if [[ ${ENTRY} =~ "(trunk|branches|tags)\.texi$" ]];then

        ENTRY=$(echo ${ENTRY} \

            | sed -r "s/(trunk|branches|tags)\.texi$/\1\/chapter-intro.texi/")

    fi

    # Output entry's absolute path.

    echo ${ENTRY}

}