#!/bin/bash

#

# cli_checkPathComponent.sh -- This function checks parts/components

# from repository paths.

#

# Copyright (C) 2009, 2010, 2011 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 cli_checkPathComponent {

    # Define short options.

    local ARGSS=''

    # Define long options.

    local ARGSL='release,architecture,theme'

    # Initialize arguments with an empty value and set it as local

    # variable to this function scope.

    local ARGUMENTS=''

    # Initialize file variable as local to avoid conflicts outside

    # this function scope. In the file variable will set the file path

    # we are going to verify.

    local FILE=''

    # Redefine ARGUMENTS variable using current positional parameters. 

    cli_doParseArgumentsReDef "$@"

    # Redefine ARGUMENTS variable using getopt output.

    cli_doParseArguments

    # Redefine positional parameters using ARGUMENTS variable.

    eval set -- "$ARGUMENTS"

    # Define list of locations we want to apply verifications to.

    local FILES=$(echo $@ | sed -r 's!^.*--[[:space:]](.+)$!\1!')

    # Verify list of locations, it is required that one location be

    # present in the list and also be a valid file.

    if [[ $FILES == '--' ]];then

        cli_printMessage "You need to provide one file at least." --as-error-line 

    fi

    # Look for options passed through positional parameters.

    while true; do

        case "$1" in

            --release )

                for FILE in $(echo $FILES);do

                    if [[ ! $FILE =~ "^.+/$(cli_getPathComponent --release-pattern)/.*$" ]];then

                        cli_printMessage "`eval_gettext "The release \\\"\\\$FILE\\\" is not valid."`" --as-error-line

                    fi

                done

                shift 2

                break

                ;;

            --architecture )

                for FILE in $(echo $FILES);do

                    if [[ ! $FILE =~ $(cli_getPathComponent --architecture-pattern) ]];then

                        cli_printMessage "`eval_gettext "The architecture \\\"\\\$FILE\\\" is not valid."`" --as-error-line

                    fi

                done

                shift 2

                break

                ;;

            --theme )

                for FILE in $(echo $FILES);do

                    if [[ ! $FILE =~ $(cli_getPathComponent --theme-pattern) ]];then

                        cli_printMessage "`eval_gettext "The theme \\\"\\\$FILE\\\" is not valid."`" --as-error-line

                    fi

                done

                shift 2

                break

                ;;

            -- )

                for FILE in $(echo $FILES);do

                    if [[ $FILE == '' ]] \

                        || [[ $FILE =~ '(\.\.(/)?)' ]] \

                        || [[ ! $FILE =~ '^[A-Za-z0-9\.:/_-]+$' ]]; then 

                        cli_printMessage "`eval_gettext "The value \\\"\\\$FILE\\\" is not valid."`" --as-error-line

                    fi

                done

                shift 2

                break

                ;;

        esac

    done

}