08-27-周三_17-09-29

node_modules/html-entities/lib/xml-entities.js

@@ -0,0 +1,155 @@
+var ALPHA_INDEX = {
+    '&lt': '<',
+    '&gt': '>',
+    '&quot': '"',
+    '&apos': '\'',
+    '&amp': '&',
+    '&lt;': '<',
+    '&gt;': '>',
+    '&quot;': '"',
+    '&apos;': '\'',
+    '&amp;': '&'
+};
+
+var CHAR_INDEX = {
+    60: 'lt',
+    62: 'gt',
+    34: 'quot',
+    39: 'apos',
+    38: 'amp'
+};
+
+var CHAR_S_INDEX = {
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    '\'': '&apos;',
+    '&': '&amp;'
+};
+
+/**
+ * @constructor
+ */
+function XmlEntities() {}
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+XmlEntities.prototype.encode = function(str) {
+    if (str.length === 0) {
+        return '';
+    }
+    return str.replace(/<|>|"|'|&/g, function(s) {
+        return CHAR_S_INDEX[s];
+    });
+};
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+ XmlEntities.encode = function(str) {
+    return new XmlEntities().encode(str);
+ };
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+XmlEntities.prototype.decode = function(str) {
+    if (str.length === 0) {
+        return '';
+    }
+    return str.replace(/&#?[0-9a-zA-Z]+;?/g, function(s) {
+        if (s.charAt(1) === '#') {
+            var code = s.charAt(2).toLowerCase() === 'x' ?
+                parseInt(s.substr(3), 16) :
+                parseInt(s.substr(2));
+
+            if (isNaN(code) || code < -32768 || code > 65535) {
+                return '';
+            }
+            return String.fromCharCode(code);
+        }
+        return ALPHA_INDEX[s] || s;
+    });
+};
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+ XmlEntities.decode = function(str) {
+    return new XmlEntities().decode(str);
+ };
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+XmlEntities.prototype.encodeNonUTF = function(str) {
+    var strLength = str.length;
+    if (strLength === 0) {
+        return '';
+    }
+    var result = '';
+    var i = 0;
+    while (i < strLength) {
+        var c = str.charCodeAt(i);
+        var alpha = CHAR_INDEX[c];
+        if (alpha) {
+            result += "&" + alpha + ";";
+            i++;
+            continue;
+        }
+        if (c < 32 || c > 126) {
+            result += '&#' + c + ';';
+        } else {
+            result += str.charAt(i);
+        }
+        i++;
+    }
+    return result;
+};
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+ XmlEntities.encodeNonUTF = function(str) {
+    return new XmlEntities().encodeNonUTF(str);
+ };
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+XmlEntities.prototype.encodeNonASCII = function(str) {
+    var strLenght = str.length;
+    if (strLenght === 0) {
+        return '';
+    }
+    var result = '';
+    var i = 0;
+    while (i < strLenght) {
+        var c = str.charCodeAt(i);
+        if (c <= 255) {
+            result += str[i++];
+            continue;
+        }
+        result += '&#' + c + ';';
+        i++;
+    }
+    return result;
+};
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+ XmlEntities.encodeNonASCII = function(str) {
+    return new XmlEntities().encodeNonASCII(str);
+ };
+
+module.exports = XmlEntities;