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Initial pages commit
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n1474335
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376 changed files with 252899 additions and 88317 deletions
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/* globals app */
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/**
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* Byte representation operations.
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*
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* @namespace
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*/
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var ByteRepr = {
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/**
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* @constant
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* @default
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*/
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DELIM_OPTIONS: ["Space", "Comma", "Semi-colon", "Colon", "Line feed", "CRLF"],
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/**
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* @constant
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* @default
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*/
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HEX_DELIM_OPTIONS: ["Space", "Comma", "Semi-colon", "Colon", "Line feed", "CRLF", "0x", "\\x", "None"],
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/**
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* @constant
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* @default
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*/
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BIN_DELIM_OPTIONS: ["Space", "Comma", "Semi-colon", "Colon", "Line feed", "CRLF", "None"],
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/**
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* To Hex operation.
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*
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* @param {byte_array} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_to_hex: function(input, args) {
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var delim = Utils.char_rep[args[0] || "Space"];
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return Utils.to_hex(input, delim, 2);
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},
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/**
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* From Hex operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {byte_array}
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*/
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run_from_hex: function(input, args) {
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var delim = args[0] || "Space";
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return Utils.from_hex(input, delim, 2);
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},
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/**
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* @constant
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* @default
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*/
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CHARCODE_BASE: 16,
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/**
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* To Charcode operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_to_charcode: function(input, args) {
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var delim = Utils.char_rep[args[0] || "Space"],
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base = args[1],
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output = "",
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padding = 2,
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ordinal;
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if (base < 2 || base > 36) {
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throw "Error: Base argument must be between 2 and 36";
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}
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for (var i = 0; i < input.length; i++) {
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ordinal = Utils.ord(input[i]);
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if (base == 16) {
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if (ordinal < 256) padding = 2;
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else if (ordinal < 65536) padding = 4;
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else if (ordinal < 16777216) padding = 6;
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else if (ordinal < 4294967296) padding = 8;
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else padding = 2;
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if (padding > 2) app.options.attempt_highlight = false;
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output += Utils.hex(ordinal, padding) + delim;
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} else {
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app.options.attempt_highlight = false;
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output += ordinal.toString(base) + delim;
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}
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}
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return output.slice(0, -delim.length);
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},
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/**
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* From Charcode operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {byte_array}
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*/
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run_from_charcode: function(input, args) {
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var delim = Utils.char_rep[args[0] || "Space"],
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base = args[1],
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bites = input.split(delim),
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i = 0;
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if (base < 2 || base > 36) {
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throw "Error: Base argument must be between 2 and 36";
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}
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if (base != 16) {
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app.options.attempt_highlight = false;
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}
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// Split into groups of 2 if the whole string is concatenated and
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// too long to be a single character
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if (bites.length == 1 && input.length > 17) {
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bites = [];
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for (i = 0; i < input.length; i += 2) {
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bites.push(input.slice(i, i+2));
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}
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}
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var latin1 = "";
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for (i = 0; i < bites.length; i++) {
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latin1 += Utils.chr(parseInt(bites[i], base));
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}
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return Utils.str_to_byte_array(latin1);
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},
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/**
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* Highlight to hex
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*
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* @param {Object[]} pos
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* @param {number} pos[].start
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* @param {number} pos[].end
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* @param {Object[]} args
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* @returns {Object[]} pos
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*/
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highlight_to: function(pos, args) {
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var delim = Utils.char_rep[args[0] || "Space"],
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len = delim == "\r\n" ? 1 : delim.length;
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pos[0].start = pos[0].start * (2 + len);
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pos[0].end = pos[0].end * (2 + len) - len;
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// 0x and \x are added to the beginning if they are selected, so increment the positions accordingly
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if (delim == "0x" || delim == "\\x") {
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pos[0].start += 2;
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pos[0].end += 2;
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}
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return pos;
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},
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/**
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* Highlight to hex
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*
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* @param {Object[]} pos
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* @param {number} pos[].start
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* @param {number} pos[].end
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* @param {Object[]} args
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* @returns {Object[]} pos
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*/
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highlight_from: function(pos, args) {
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var delim = Utils.char_rep[args[0] || "Space"],
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len = delim == "\r\n" ? 1 : delim.length,
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width = len + 2;
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// 0x and \x are added to the beginning if they are selected, so increment the positions accordingly
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if (delim == "0x" || delim == "\\x") {
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if (pos[0].start > 1) pos[0].start -= 2;
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else pos[0].start = 0;
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if (pos[0].end > 1) pos[0].end -= 2;
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else pos[0].end = 0;
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}
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pos[0].start = pos[0].start === 0 ? 0 : Math.round(pos[0].start / width);
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pos[0].end = pos[0].end === 0 ? 0 : Math.ceil(pos[0].end / width);
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return pos;
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},
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/**
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* To Decimal operation.
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*
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* @param {byte_array} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_to_decimal: function(input, args) {
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var delim = Utils.char_rep[args[0]];
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return input.join(delim);
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},
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/**
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* From Decimal operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {byte_array}
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*/
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run_from_decimal: function(input, args) {
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var delim = Utils.char_rep[args[0]];
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var byte_str = input.split(delim), output = [];
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if (byte_str[byte_str.length-1] === "")
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byte_str = byte_str.slice(0, byte_str.length-1);
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for (var i = 0; i < byte_str.length; i++) {
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output[i] = parseInt(byte_str[i]);
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}
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return output;
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},
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/**
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* To Binary operation.
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*
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* @param {byte_array} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_to_binary: function(input, args) {
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var delim = Utils.char_rep[args[0] || "Space"],
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output = "",
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padding = 8;
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for (var i = 0; i < input.length; i++) {
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output += Utils.pad(input[i].toString(2), padding) + delim;
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}
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if (delim.length) {
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return output.slice(0, -delim.length);
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} else {
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return output;
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}
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},
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/**
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* From Binary operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {byte_array}
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*/
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run_from_binary: function(input, args) {
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if (args[0] != "None") {
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var delim_regex = Utils.regex_rep[args[0] || "Space"];
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input = input.replace(delim_regex, '');
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}
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var output = [];
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var byte_len = 8;
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for (var i = 0; i < input.length; i += byte_len) {
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output.push(parseInt(input.substr(i, byte_len), 2));
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}
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return output;
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},
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/**
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* Highlight to binary
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*
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* @param {Object[]} pos
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* @param {number} pos[].start
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* @param {number} pos[].end
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* @param {Object[]} args
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* @returns {Object[]} pos
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*/
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highlight_to_binary: function(pos, args) {
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var delim = Utils.char_rep[args[0] || "Space"];
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pos[0].start = pos[0].start * (8 + delim.length);
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pos[0].end = pos[0].end * (8 + delim.length) - delim.length;
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return pos;
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},
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/**
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* Highlight from binary
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*
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* @param {Object[]} pos
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* @param {number} pos[].start
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* @param {number} pos[].end
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* @param {Object[]} args
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* @returns {Object[]} pos
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*/
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highlight_from_binary: function(pos, args) {
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var delim = Utils.char_rep[args[0] || "Space"];
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pos[0].start = pos[0].start === 0 ? 0 : Math.floor(pos[0].start / (8 + delim.length));
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pos[0].end = pos[0].end === 0 ? 0 : Math.ceil(pos[0].end / (8 + delim.length));
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return pos;
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},
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/**
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* @constant
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* @default
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*/
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HEX_CONTENT_CONVERT_WHICH: ["Only special chars", "Only special chars including spaces", "All chars"],
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/**
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* @constant
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* @default
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*/
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HEX_CONTENT_SPACES_BETWEEN_BYTES: false,
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/**
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* To Hex Content operation.
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*
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* @param {byte_array} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_to_hex_content: function(input, args) {
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var convert = args[0];
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var spaces = args[1];
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if (convert == "All chars") {
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var result = "|" + Utils.to_hex(input) + "|";
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if (!spaces) result = result.replace(/ /g, "");
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return result;
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}
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var output = "",
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in_hex = false,
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convert_spaces = convert == "Only special chars including spaces",
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b;
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for (var i = 0; i < input.length; i++) {
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b = input[i];
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if ((b == 32 && convert_spaces) || (b < 48 && b != 32) || (b > 57 && b < 65) || (b > 90 && b < 97) || b > 122) {
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if (!in_hex) {
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output += "|";
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in_hex = true;
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} else if (spaces) output += " ";
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output += Utils.to_hex([b]);
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} else {
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if (in_hex) {
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output += "|";
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in_hex = false;
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}
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output += Utils.chr(input[i]);
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}
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}
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if (in_hex) output += "|";
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return output;
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},
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/**
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* From Hex Content operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {byte_array}
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*/
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run_from_hex_content: function(input, args) {
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var regex = /\|([a-f\d ]{2,})\|/gi;
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var output = [], m, i = 0;
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while (!!(m = regex.exec(input))) {
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// Add up to match
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for (; i < m.index;)
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output.push(Utils.ord(input[i++]));
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// Add match
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var bytes = Utils.from_hex(m[1]);
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if (bytes) {
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for (var a = 0; a < bytes.length;)
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output.push(bytes[a++]);
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} else {
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// Not valid hex, print as normal
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for (; i < regex.lastIndex;)
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output.push(Utils.ord(input[i++]));
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}
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i = regex.lastIndex;
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}
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// Add all after final match
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for (; i < input.length;)
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output.push(Utils.ord(input[i++]));
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return output;
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},
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};
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