#!/bin/bash

#

# cli_checkFiles.sh -- This function standardizes file verifications

# inside centos-art.sh script.  If file verification fails in anyway,

# centos-art.sh script complains about it and ends up script

# execution.

#

# Usage:

#

# cli_checkFiles FILE [TYPE]

#

# 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_checkFiles {

    local FILE=''

    local FILES="$1"

    local TYPE="$2"

    local MESSAGE=''

    # Check number of paramaters passed to cli_checkFiles function. At

    # least one argument should be passed.

    if [[ $# -lt 1 ]];then

        cli_printMessage "`gettext "You need to provide one argument at least."`" --as-error-line

    fi

    for FILE in $FILES;do

        # Check value passed as file to cli_checkFiles function. The

        # file value cannot be empty nor have extrange values.

        cli_checkPathComponent "$FILE" '--default'

        # Perform file verification using FILE and TYPE variables.

        case $TYPE in

            d | directory )

                # File exists and is a directory

                if [[ ! -d $FILE ]];then

                    MESSAGE="`eval_gettext "The directory \\\"\\\$FILE\\\" does not exist."`"

                fi

                ;;

            f | regular-file )

                # File exists and is a regular file.

                if [[ ! -f $FILE ]];then

                    MESSAGE="`eval_gettext "The file \\\"\\\$FILE\\\" is not a regular file."`"

                fi

                ;;

            h | symbolic-link )

                # File exists and is a symbolic link.

                if [[ ! -h $FILE ]];then

                    MESSAGE="`eval_gettext "The file \\\"\\\$FILE\\\" is not a symbolic link."`"

                fi

                ;;

            x | execution )

                # To exist, file should be executable.

                if [[ ! -x $FILE ]];then

                    MESSAGE="`eval_gettext "The file \\\"\\\$FILE\\\" is not executable."`"

                fi

                ;;

            fh )

                # To exist, file should be a regular file or a symbolic link.

                if [[ ! -f $FILE ]];then

                    if [[ ! -h $FILE ]];then

                        MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" does not exist."`"

                    fi

                fi

                ;;

            fd )

                # To exist, file should be a regular file or a directory.

                if [[ ! -f $FILE ]];then

                    if [[ ! -d $FILE ]];then

                        MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" does not exist."`"

                    fi

                fi

                ;;

            isInWorkingCopy )

                # To exist, file should be inside the working copy.

                if [[ ! $FILE =~ "^/home/centos/artwork/.+$" ]];then

                    MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" does not exist inside the working copy."`"

                fi

                ;;

            * )

                # File exists.

                if [[ ! -a $FILE ]];then

                    MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" does not exist."`"

                fi

        esac

    done

    # If file verification fails in anyway, output message information

    # and end up script execution. Otherwise, continue with script

    # normal flow.

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

        cli_printMessage "$MESSAGE" --as-error-line

    fi

}