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0 parents commit 2c25e3705b59a7e8af33743cf74f96ae3a73e023 @Gozala committed Apr 15, 2011
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  1. +5 −0 History.md
  2. +8 −0 Readme.md
  3. +180 −0 lib/querystring.js
  4. +36 −0 package.json
  5. +4 −0 test/test-querystring.js
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+
+0.0.1 / 2010-01-03
+==================
+
+ * Initial release
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+# querystring #
+
+Node's querystring module for all engines.
+
+## Install ##
+
+ npm install querystring
+
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+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+
+// Query String Utilities
+
+"use strict";
+
+var QueryString = exports;
+
+function charCode(c) {
+ return c.charCodeAt(0);
+}
+
+
+// a safe fast alternative to decodeURIComponent
+QueryString.unescapeBuffer = function(s, decodeSpaces) {
+ var out = new Buffer(s.length);
+ var state = 'CHAR'; // states: CHAR, HEX0, HEX1
+ var n, m, hexchar;
+
+ for (var inIndex = 0, outIndex = 0; inIndex <= s.length; inIndex++) {
+ var c = s.charCodeAt(inIndex);
+ switch (state) {
+ case 'CHAR':
+ switch (c) {
+ case charCode('%'):
+ n = 0;
+ m = 0;
+ state = 'HEX0';
+ break;
+ case charCode('+'):
+ if (decodeSpaces) c = charCode(' ');
+ // pass thru
+ default:
+ out[outIndex++] = c;
+ break;
+ }
+ break;
+
+ case 'HEX0':
+ state = 'HEX1';
+ hexchar = c;
+ if (charCode('0') <= c && c <= charCode('9')) {
+ n = c - charCode('0');
+ } else if (charCode('a') <= c && c <= charCode('f')) {
+ n = c - charCode('a') + 10;
+ } else if (charCode('A') <= c && c <= charCode('F')) {
+ n = c - charCode('A') + 10;
+ } else {
+ out[outIndex++] = charCode('%');
+ out[outIndex++] = c;
+ state = 'CHAR';
+ break;
+ }
+ break;
+
+ case 'HEX1':
+ state = 'CHAR';
+ if (charCode('0') <= c && c <= charCode('9')) {
+ m = c - charCode('0');
+ } else if (charCode('a') <= c && c <= charCode('f')) {
+ m = c - charCode('a') + 10;
+ } else if (charCode('A') <= c && c <= charCode('F')) {
+ m = c - charCode('A') + 10;
+ } else {
+ out[outIndex++] = charCode('%');
+ out[outIndex++] = hexchar;
+ out[outIndex++] = c;
+ break;
+ }
+ out[outIndex++] = 16 * n + m;
+ break;
+ }
+ }
+
+ // TODO support returning arbitrary buffers.
+
+ return out.slice(0, outIndex - 1);
+};
+
+
+QueryString.unescape = function(s, decodeSpaces) {
+ return QueryString.unescapeBuffer(s, decodeSpaces).toString();
+};
+
+
+QueryString.escape = function(str) {
+ return encodeURIComponent(str);
+};
+
+var stringifyPrimitive = function(v) {
+ switch (typeof v) {
+ case 'string':
+ return v;
+
+ case 'boolean':
+ return v ? 'true' : 'false';
+
+ case 'number':
+ return isFinite(v) ? v : '';
+
+ default:
+ return '';
+ }
+};
+
+
+QueryString.stringify = QueryString.encode = function(obj, sep, eq, name) {
+ sep = sep || '&';
+ eq = eq || '=';
+ obj = (obj === null) ? undefined : obj;
+
+ switch (typeof obj) {
+ case 'object':
+ return Object.keys(obj).map(function(k) {
+ if (Array.isArray(obj[k])) {
+ return obj[k].map(function(v) {
+ return QueryString.escape(stringifyPrimitive(k)) +
+ eq +
+ QueryString.escape(stringifyPrimitive(v));
+ }).join(sep);
+ } else {
+ return QueryString.escape(stringifyPrimitive(k)) +
+ eq +
+ QueryString.escape(stringifyPrimitive(obj[k]));
+ }
+ }).join(sep);
+
+ default:
+ if (!name) return '';
+ return QueryString.escape(stringifyPrimitive(name)) + eq +
+ QueryString.escape(stringifyPrimitive(obj));
+ }
+};
+
+// Parse a key=val string.
+QueryString.parse = QueryString.decode = function(qs, sep, eq) {
+ sep = sep || '&';
+ eq = eq || '=';
+ var obj = {};
+
+ if (typeof qs !== 'string' || qs.length === 0) {
+ return obj;
+ }
+
+ qs.split(sep).forEach(function(kvp) {
+ var x = kvp.split(eq);
+ var k = QueryString.unescape(x[0], true);
+ var v = QueryString.unescape(x.slice(1).join(eq), true);
+
+ if (!(k in obj)) {
+ obj[k] = v;
+ } else if (!Array.isArray(obj[k])) {
+ obj[k] = [obj[k], v];
+ } else {
+ obj[k].push(v);
+ }
+ });
+
+ return obj;
+};
+
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+{ "name": "querystring",
+ "version": "0.0.1",
+ "description": "Node's querystring module for all engines.",
+ "keywords": [ "query", "querystring" ],
+ "author": "Irakli Gozalishvili <rfobic@gmail.com>",
+ "repository": {
+ "type": "git",
+ "url": "git://github.com/Gozala/querystring.git",
+ "web": "https://github.com/Gozala/querystring"
+ },
+ "bugs": {
+ "web": "http://github.com/Gozala/querystring/issues/"
+ },
+ "directories": {
+ "doc": "./docs",
+ "lib": "./lib",
+ "test": "./test"
+ },
+ "devDependencies": {
+ "test": ">=0.0.10"
+ },
+ "main": "./lib/querystring.js",
+ "engines": {
+ "node": "0.4.x",
+ "teleport": ">=0.2.0"
+ },
+ "scripts": {
+ "test": "node test/test-querystring.js"
+ },
+ "licenses": [
+ {
+ "type" : "MPL 1.1/LGPL 2.1/GPL 2.0",
+ "url" : "http://www.mozilla.org/MPL/"
+ }
+ ]
+}
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+"use strict";
+
+if (module == require.main)
+ require("test").run(exports);

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