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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Do not run this script directly!
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
###########################################################################
# Copyright (c) 2004-2009 Hai Zaar and Gil Ran #
# #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of version 3 of the GNU General Public License as #
# published by the Free Software Foundation. #
# #
###########################################################################
#
# $Date: 2009-05-10 20:08:10 +0300 (Sun, 10 May 2009) $
# $Author: hai-zaar $
#
# Simple library that implements interface for colorfull tty printouts
#
#-------------------------------------------------------------------------
#EXPORT=colorSet colorReset colorPrint colorPrintN
#REQUIRE=
#-------------------------------------------------------------------------
# Internal constants
__colors_GREEN="\\033[1;32m"
__colors_RED="\\033[1;31m"
__colors_YELLOW="\\033[1;33m"
__colors_WHITE="\\033[0;39m"
__colors_DefaultIndent=60
###################
#### FUNCTIONS ####
###################
#
# __colors_ident __colors_ident [INDENT]
#
# Shifts curret to INDENT position.
#
# Parameters:
# INDENT - Column to indent to. Defaults to 60.
__colors_ident()
{
local DefaultIndent=60
local INDENT=${1:-$DefaultIndent}
echo -en "\\033[${INDENT}G"
}
#
# colorSet colorSet <COLOR>
#
# Sets the color of the tty prints to COLOR.
#
# Parameters:
# COLOR - The new color for tty prints.
colorSet()
{
eval "local WantedColor=\"\$__colors_$(echo $1 | tr a-z A-Z)\""
if [[ WantedColor == "" ]] ; then
echo "colors: Warning: Color $1 is not listed in the colors list." 1>&2
return 1
fi
echo -en "$WantedColor"
}
#
# colorReset colorReset
#
# Resets tty color to normal
#
colorReset()
{
# Reset text attributes to normal
tput sgr0
}
#
# colorPrint colorPrint [INDENT] <COLOR> <TEXT>
#
# Prints TEXT in the color COLOR while shifting curret to INDENT
#
# Parameters:
# COLOR - The color for the tty print.
# TEXT - The text to be printed in the color COLOR.
# INDENT - Move curret to INDENT before printing
colorPrint()
{
# If INDENT parameter given - respect it.
echo $1 |grep -q '^[0-9][0-9]*$' && __colors_ident $1 && shift
local COLOR=$1
shift
colorSet $COLOR || return 1
echo -en "$@"
# Reset text attributes to normal
tput sgr0
}
#
# colorPrintN colorPrintN [INDENT] <COLOR> <TEXT>
# Same as colorPrint but prints trailing \n as well
#
colorPrintN()
{
colorPrint $*
echo
}
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