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128 lines
3.4 KiB
128 lines
3.4 KiB
/**
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* @fileoverview This module has some functions for handling the string.
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* @author NHN.
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* FE Development Lab <dl_javascript@nhn.com>
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*/
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'use strict';
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var collection = require('./collection');
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var object = require('./object');
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/**
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* Transform the given HTML Entity string into plain string
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* @param {String} htmlEntity - HTML Entity type string
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* @returns {String} Plain string
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* @memberof tui.util
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* @example
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* //-- #1. Get Module --//
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* var util = require('tui-code-snippet'); // node, commonjs
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* var util = tui.util; // distribution file
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*
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* //-- #2. Use property --//
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* var htmlEntityString = "A 'quote' is <b>bold</b>"
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* var result = util.decodeHTMLEntity(htmlEntityString); //"A 'quote' is <b>bold</b>"
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*/
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function decodeHTMLEntity(htmlEntity) {
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var entities = {
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'"': '"',
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'&': '&',
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'<': '<',
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'>': '>',
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''': '\'',
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' ': ' '
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};
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return htmlEntity.replace(/&|<|>|"|'| /g, function(m0) {
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return entities[m0] ? entities[m0] : m0;
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});
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}
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/**
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* Transform the given string into HTML Entity string
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* @param {String} html - String for encoding
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* @returns {String} HTML Entity
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* @memberof tui.util
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* @example
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* //-- #1. Get Module --//
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* var util = require('tui-code-snippet'); // node, commonjs
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* var util = tui.util; // distribution file
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*
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* //-- #2. Use property --//
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* var htmlEntityString = "<script> alert('test');</script><a href='test'>";
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* var result = util.encodeHTMLEntity(htmlEntityString);
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* //"<script> alert('test');</script><a href='test'>"
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*/
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function encodeHTMLEntity(html) {
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var entities = {
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'"': 'quot',
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'&': 'amp',
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'<': 'lt',
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'>': 'gt',
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'\'': '#39'
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};
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return html.replace(/[<>&"']/g, function(m0) {
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return entities[m0] ? '&' + entities[m0] + ';' : m0;
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});
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}
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/**
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* Return whether the string capable to transform into plain string is in the given string or not.
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* @param {String} string - test string
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* @memberof tui.util
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* @returns {boolean}
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*/
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function hasEncodableString(string) {
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return (/[<>&"']/).test(string);
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}
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/**
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* Return duplicate charters
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* @param {string} operandStr1 The operand string
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* @param {string} operandStr2 The operand string
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* @private
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* @memberof tui.util
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* @returns {string}
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* @example
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* //-- #1. Get Module --//
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* var util = require('tui-code-snippet'); // node, commonjs
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* var util = tui.util; // distribution file
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*
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* //-- #2. Use property --//
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* util.getDuplicatedChar('fe dev', 'nhn entertainment'); // 'e'
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* util.getDuplicatedChar('fdsa', 'asdf'); // 'asdf'
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*/
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function getDuplicatedChar(operandStr1, operandStr2) {
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var i = 0;
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var len = operandStr1.length;
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var pool = {};
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var dupl, key;
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for (; i < len; i += 1) {
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key = operandStr1.charAt(i);
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pool[key] = 1;
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}
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for (i = 0, len = operandStr2.length; i < len; i += 1) {
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key = operandStr2.charAt(i);
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if (pool[key]) {
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pool[key] += 1;
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}
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}
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pool = collection.filter(pool, function(item) {
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return item > 1;
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});
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pool = object.keys(pool).sort();
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dupl = pool.join('');
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return dupl;
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}
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module.exports = {
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decodeHTMLEntity: decodeHTMLEntity,
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encodeHTMLEntity: encodeHTMLEntity,
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hasEncodableString: hasEncodableString,
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getDuplicatedChar: getDuplicatedChar
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};
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