Blame Scripts/Functions/cli_printMessage.sh

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#!/bin/bash
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#
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# cli_printMessage.sh -- This function outputs information in
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# predifined formats to standard error. This function is the standard
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# way to output information inside centos-art.sh script.
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#
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# Copyright (C) 2009-2011 Alain Reguera Delgado
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function cli_printMessage {
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    # Verify `--quiet' option.
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    if [[ "$FLAG_QUIET" == 'true' ]];then
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        return
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    fi
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    local MESSAGE="$1"
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    local FORMAT="$2"
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    # Reduce paths inside output messages. The main purpose for
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    # this is to free horizontal space in output messages.
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    MESSAGE=$(echo "$MESSAGE" \
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        | sed -r "s!${HOME}/artwork/(trunk|branches|tags)/!\1/!g")
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    # Remove blank spaces from lines' begining.
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    MESSAGE=$(echo "$MESSAGE" | sed -r 's!^[[:space:]]+!!')
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    # Define message formats.
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    case $FORMAT in
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    'AsBannerLine' )
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        cli_printMessage '-' 'AsSeparatorLine'
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        cli_printMessage "$MESSAGE"
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        cli_printMessage '-' 'AsSeparatorLine'
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        ;;
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    'AsUpdatingLine' )
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        cli_printMessage "`gettext "Updating"`: $MESSAGE"
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        ;;
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    'AsTuningLine' )
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        cli_printMessage "`gettext "Tuning"`: $MESSAGE"
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        ;;
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    'AsDeletingLine' )
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        cli_printMessage "`gettext "Deleting"`: $MESSAGE"
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        ;;
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    'AsCheckingLine' )
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        cli_printMessage "`gettext "Checking"`: $MESSAGE"
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        ;;
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    'AsCreatingLine' )
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        cli_printMessage "`gettext "Creating"`: $MESSAGE"
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        ;;
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    'AsReadingLine' )
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        cli_printMessage "`gettext "Reading"`: $MESSAGE"
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        ;;
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    'AsSavedAsLine' )
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        cli_printMessage "`gettext "Saved as"`: $MESSAGE"
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        ;;
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    'AsLinkToLine' )
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        cli_printMessage "`gettext "Linked to"`: $MESSAGE"
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        ;;
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    'AsMovedToLine' )
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        cli_printMessage "`gettext "Moved to"`: $MESSAGE"
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        ;;
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    'AsTranslationLine' )
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        cli_printMessage "`gettext "Translation"`: $MESSAGE"
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        ;;
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    'AsDesignLine' )
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        cli_printMessage "`gettext "Design"`: $MESSAGE"
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        ;;
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    'AsConfigurationLine' )
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        cli_printMessage "`gettext "Configuration"`: $MESSAGE"
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        ;;
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    'AsPaletteLine' )
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        cli_printMessage "`gettext "Palette"`: $MESSAGE"
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        ;;
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    'AsResponseLine' )
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        cli_printMessage "--> $MESSAGE"
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        ;;
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    'AsRequestLine' )
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        cli_printMessage "${MESSAGE}: " 'AsNoTrailingNewLine'
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        ;;
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    'AsErrorLine' )
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        # This option is used to print error messsages.
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        echo "${CLI_PROGRAM}: ${MESSAGE}" > /dev/stderr
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        ;;
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    'AsToKnowMoreLine' )
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        # This option receives the output of bash's caller built-in as
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        # message value and produces the documentation entry from it.
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        MESSAGE="trunk/Scripts/Functions/$MESSAGE"
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        cli_printMessage '-' 'AsSeparatorLine'
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        cli_printMessage "`gettext "To know more, run the following command"`:"
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        cli_printMessage "centos-art help --read $MESSAGE"
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        cli_printMessage '-' 'AsSeparatorLine'
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        exit # <-- ATTENTION: Do not remove this line. We use this
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             #                option as convenction to end script
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             #                execution.
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        ;;
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    'AsYesOrNoRequestLine' )
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        # Define positive answer.
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        local Y="`gettext "yes"`"
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        # Define negative answer.
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        local N="`gettext "no"`"
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        # Define default answer.
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        local ANSWER=${N}
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        if [[ $FLAG_ANSWER == 'true' ]];then
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            ANSWER=${Y}
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        else
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            # Print the question.
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            cli_printMessage "$MESSAGE [${Y}/${N}]: " 'AsNoTrailingNewLine'
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            # Redefine default answer based on user's input.
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            read ANSWER
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        fi
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        # Verify user's answer. Only positive answer let the script
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        # flow to continue. Otherwise, if something different from
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        # possitive answer is passed, the script terminates its
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        # execution immediatly.
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        if [[ ! ${ANSWER} =~ "^${Y}" ]];then
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            exit
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        fi
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        ;;
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    'AsSeparatorLine' )
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        # Define separator width.
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        local MAX=70
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        # Draw separator.
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        until [[ $MAX -eq 0 ]];do
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            printf "${MESSAGE}" > /dev/stderr
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            MAX=$(($MAX - 1))
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        done
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        # Output newline to end separator.
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        echo "" > /dev/stderr
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        ;;
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    'AsNoTrailingNewLine' )
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        printf "$MESSAGE" > /dev/stderr
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        ;;
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    'AsRegularLine' | * )
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        echo "$MESSAGE" \
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            | awk 'BEGIN { FS=": " }
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                    { 
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                    if ( $0 ~ /^-+$/ ) 
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                        print $0
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                    else
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                        printf "%-15s\t%s\n", $1, $2 
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                    }
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                    END {}' > /dev/stderr
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        ;;
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    esac
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}