08-27-周三_17-09-29

node_modules/hoek/lib/escape.js

@@ -0,0 +1,132 @@
+// Declare internals
+
+var internals = {};
+
+
+exports.escapeJavaScript = function (input) {
+
+    if (!input) {
+        return '';
+    }
+
+    var escaped = '';
+
+    for (var i = 0, il = input.length; i < il; ++i) {
+
+        var charCode = input.charCodeAt(i);
+
+        if (internals.isSafe(charCode)) {
+            escaped += input[i];
+        }
+        else {
+            escaped += internals.escapeJavaScriptChar(charCode);
+        }
+    }
+
+    return escaped;
+};
+
+
+exports.escapeHtml = function (input) {
+
+    if (!input) {
+        return '';
+    }
+
+    var escaped = '';
+
+    for (var i = 0, il = input.length; i < il; ++i) {
+
+        var charCode = input.charCodeAt(i);
+
+        if (internals.isSafe(charCode)) {
+            escaped += input[i];
+        }
+        else {
+            escaped += internals.escapeHtmlChar(charCode);
+        }
+    }
+
+    return escaped;
+};
+
+
+internals.escapeJavaScriptChar = function (charCode) {
+
+    if (charCode >= 256) {
+        return '\\u' + internals.padLeft('' + charCode, 4);
+    }
+
+    var hexValue = new Buffer(String.fromCharCode(charCode), 'ascii').toString('hex');
+    return '\\x' + internals.padLeft(hexValue, 2);
+};
+
+
+internals.escapeHtmlChar = function (charCode) {
+
+    var namedEscape = internals.namedHtml[charCode];
+    if (typeof namedEscape !== 'undefined') {
+        return namedEscape;
+    }
+
+    if (charCode >= 256) {
+        return '&#' + charCode + ';';
+    }
+
+    var hexValue = new Buffer(String.fromCharCode(charCode), 'ascii').toString('hex');
+    return '&#x' + internals.padLeft(hexValue, 2) + ';';
+};
+
+
+internals.padLeft = function (str, len) {
+
+    while (str.length < len) {
+        str = '0' + str;
+    }
+
+    return str;
+};
+
+
+internals.isSafe = function (charCode) {
+
+    return (typeof internals.safeCharCodes[charCode] !== 'undefined');
+};
+
+
+internals.namedHtml = {
+    '38': '&amp;',
+    '60': '&lt;',
+    '62': '&gt;',
+    '34': '&quot;',
+    '160': '&nbsp;',
+    '162': '&cent;',
+    '163': '&pound;',
+    '164': '&curren;',
+    '169': '&copy;',
+    '174': '&reg;'
+};
+
+
+internals.safeCharCodes = (function () {
+
+    var safe = {};
+
+    for (var i = 32; i < 123; ++i) {
+
+        if ((i >= 97) ||                    // a-z
+            (i >= 65 && i <= 90) ||         // A-Z
+            (i >= 48 && i <= 57) ||         // 0-9
+            i === 32 ||                     // space
+            i === 46 ||                     // .
+            i === 44 ||                     // ,
+            i === 45 ||                     // -
+            i === 58 ||                     // :
+            i === 95) {                     // _
+
+            safe[i] = null;
+        }
+    }
+
+    return safe;
+}());