New plugin charstream/generate.

Generates various charstreams.

plugins/charstream/generate

@@ -0,0 +1,93 @@
+#!bin/bash
+
+################################################################################
+#                                         
+# |              |    |         |         
+# |---.,---.,---.|---.|    ,---.|--- ,---.
+# |   |,---|`---.|   ||    |---'|    `---.
+# `---'`---^`---'`   '`---'`---'`---'`---'
+#
+#                                        
+# Bashlets -- A modular extensible toolbox for Bash
+#
+# Copyright (c) 2014-6 Roberto Reale
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+################################################################################
+
+
+source bashlet datatype/string
+
+function bashlets_charstream_generate_ascii_chart()
+{
+    ########################################################################
+    #
+    # Code borrowed from: text_convert.sh by Luciano D. Cerere
+    #
+    # cf. https://gist.github.com/ldante86/679c2240acd7cc838e1d6fcac97dc4d3
+    #
+    ########################################################################
+
+    # TODO extend to the whole of ASCII set
+
+    declare -a ascii=(
+        \! \" \# \$ % \& \' \( \) '*' + , - . / 0 1 2 3 4 5 6 7 8 9 : \; \< = \> ? @
+        A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \[ \\ \] \^ _ \`
+        a b c d e f g h i j k l m n o p q r s t u v w x y z \{ \| \} \~ " "
+    )
+
+    declare -a binary=(
+        00100001 00100010 00100011 00100100 00100101 00100110 00100111 00101000
+        00101001 00101010 00101011 00101100 00101101 00101110 00101111 00110000
+        00110001 00110010 00110011 00110100 00110101 00110110 00110111 00111000
+        00111001 00111010 00111011 00111100 00111101 00111110 00111111 01000000
+        01000001 01000010 01000011 01000100 01000101 01000110 01000111 01001000
+        01001001 01001010 01001011 01001100 01001101 01001110 01001111 01010000
+        01010001 01010010 01010011 01010100 01010101 01010110 01010111 01011000
+        01011001 01011010 01011011 01011100 01011101 01011110 01011111 01100000
+        01100001 01100010 01100011 01100100 01100101 01100110 01100111 01101000
+        01101001 01101010 01101011 01101100 01101101 01101110 01101111 01110000
+        01110001 01110010 01110011 01110100 01110101 01110110 01110111 01111000
+        01111001 01111010 01111011 01111100 01111101 01111110 00100000
+    )
+
+    declare -a decimal=( {33..126} 32)
+
+	local p="10"
+	printf "%"-$p"s%"$p"s%"$p"s%"$p"s%"$p"s\n" "ASCII" "BINARY" "DECIMAL" "HEX" "BASE64"
+
+	for ((i=0; i<${#ascii[@]}; i++))
+	do
+		printf "%"-$p"s%"$p"s%"$p"s%"$p"s%"$p"s\n"    \
+            "${ascii[i]}"                             \
+            "${binary[i]}"                            \
+            "${decimal[i]}"                           \
+		    "$(string dec_to_hex "${decimal[i]}")"    \
+            "$(string encode_base64 "${ascii[i]}")"
+	done
+}
+
+# Local variables:
+# mode: shell-script
+# sh-basic-offset: 4
+# sh-indent-comment: t
+# indent-tabs-mode: nil
+# End:
+# ex: ts=4 sw=4 et filetype=sh