#!/bin/bash

#

# cli_printMessage.sh -- This function outputs information in

# predifined formats to standard error. This function is the standard

# way to output information inside centos-art.sh script.

#

# 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_printMessage {

    # Verify `--quiet' option.

    if [[ "$FLAG_QUIET" == 'true' ]];then

        return

    fi

    # Define short options.

    local ARGSS=''

    # Define long options.

    local ARGSL='message:,as-separator-line,as-banner-line,as-updating-line,as-cropping-line,as-tuningup-line,as-deleting-line,as-checking-line,as-creating-line,as-reading-line,as-savedas-line,as-linkto-line,as-movedto-line,as-translation-line,as-design-line,as-configuration-line,as-palette-line,as-response-line,as-request-line,as-error-line,as-toknowmore-line,as-yesornorequest-line,as-notrailingnew-line,as-stdout-line,'

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

    # variable to this function scope.

    local ARGUMENTS=''

    # 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"

    # Initialize message variable locally using non-option arguments.

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

    # Verify message variable, it cannot have an empty value.

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

        cli_printMessage "`gettext "The message cannot be empty."`" --as-error-line

    fi

    # Reverse the codification performed on characters that may affect

    # parsing options and non-option arguments. This codification is

    # realized before building the ARGUMENTS variable, at

    # cli_doParseArgumentsReDef, and we need to reverse it back here

    # in order to show the correct character when the message be

    # printed out on the screen.

    MESSAGE=$(echo $MESSAGE | sed -e "s/\\\0x27/'/g")

    # Reduce paths and leading spaces from output messages. The main

    # purpose for this is to free horizontal space on output messages.

    MESSAGE=$(echo "$MESSAGE" | sed -r \

        -e "s!${HOME}/artwork/(trunk|branches|tags)/!\1/!g" \

        -e 's!^[[:space:]]+!!')

    # Look for options passed through positional parameters.

    while true; do

        case "$1" in

            --as-separator-line )

                # Define width of separator line.

                local MAX=70

                # Build the separator line. 

                MESSAGE=$(\

                    until [[ $MAX -eq 0 ]];do

                        echo -n "$MESSAGE"

                        MAX=$(($MAX - 1))

                    done)

                # Draw the separator line.

                echo "$MESSAGE" > /dev/stderr

                shift 2

                break

                ;;

            --as-banner-line )

                cli_printMessage '-' --as-separator-line

                cli_printMessage "$MESSAGE"

                cli_printMessage '-' --as-separator-line

                shift 2

                break

                ;;

            --as-updating-line )

                cli_printMessage "`gettext "Updating"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-cropping-line )

                cli_printMessage "`gettext "Cropping from"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-tuningup-line )

                cli_printMessage "`gettext "Tuning-up"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-checking-line )

                cli_printMessage "`gettext "Checking"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-creating-line )

                cli_printMessage "`gettext "Creating"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-deleting-line )

                cli_printMessage "`gettext "Deleting"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-reading-line )

                cli_printMessage "`gettext "Reading"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-savedas-line )

                cli_printMessage "`gettext "Saved as"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-linkto-line )

                cli_printMessage "`gettext "Linked to"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-movedto-line )

                cli_printMessage "`gettext "Moved to"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-translation-line )

                cli_printMessage "`gettext "Translation"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-design-line )

                cli_printMessage "`gettext "Design"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-configuration-line )

                cli_printMessage "`gettext "Configuration"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-palette-line )

                cli_printMessage "`gettext "Palette"`: $MESSAGE"

                shift 2

                break

                ;;

            --as-response-line )

                echo "--> $MESSAGE" > /dev/stderr

                shift 2

                break

                ;;

            --as-request-line )

                cli_printMessage "${MESSAGE}: " --as-notrailingnew-line

                shift 2

                break

                ;;

            --as-error-line )

                # This option is used to print error messsages.

                echo "${CLI_PROGRAM} ($(caller 1 | gawk '{ print $2 " " $1 }')): ${MESSAGE}"

                cli_printMessage "${FUNCDIRNAM}" --as-toknowmore-line

                shift 2

                break

                ;;

            --as-toknowmore-line )

                cli_printMessage '-' --as-separator-line

                cli_printMessage "`gettext "To know more, run the following command"`:"

                cli_printMessage "centos-art help --read trunk/Scripts/Functions/$MESSAGE"

                cli_printMessage '-' --as-separator-line

                exit # <-- ATTENTION: Do not remove this line. We use this

                     #                option as convenction to end script

                     #                execution.

                ;;

            --as-yesornorequest-line )

                # Define positive answer.

                local Y="`gettext "yes"`"

                # Define negative answer.

                local N="`gettext "no"`"

                # Define default answer.

                local ANSWER=${N}

                if [[ $FLAG_ANSWER == 'true' ]];then

                    ANSWER=${Y}

                else

                    # Print the question.

                    cli_printMessage "$MESSAGE [${Y}/${N}]: " --as-notrailingnew-line

                    # Redefine default answer based on user's input.

                    read ANSWER

                fi

                # Verify user's answer. Only positive answer let the

                # script flow to continue. Otherwise, if something

                # different from possitive answer is passed, the

                # script terminates its execution immediatly.

                if [[ ! ${ANSWER} =~ "^${Y}" ]];then

                    exit

                fi

                shift 2

                break

                ;;

            --as-notrailingnew-line )

                printf "$MESSAGE" > /dev/stderr

                shift 2

                break

                ;;

            --as-stdout-line )

                echo "$MESSAGE"

                shift 2

                break

                ;;

            * )

                echo "$MESSAGE" \

                        | awk 'BEGIN { FS=": " }

                            { 

                            if ( $0 ~ /^-+$/ ) 

                                print $0

                            else

                                printf "%-15s\t%s\n", $1, $2 

                            }

                            END {}' > /dev/stderr

                shift 2

                break

                ;;

        esac

    done

    # Redefine ARGUMENTS variable using current positional parameters. 

    cli_doParseArgumentsReDef "$@"

}