diff options
Diffstat (limited to 'node_modules/qs/lib/parse.js')
-rw-r--r-- | node_modules/qs/lib/parse.js | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/node_modules/qs/lib/parse.js b/node_modules/qs/lib/parse.js new file mode 100644 index 000000000..1a1e205e3 --- /dev/null +++ b/node_modules/qs/lib/parse.js @@ -0,0 +1,166 @@ +// Load modules + +var Utils = require('./utils'); + + +// Declare internals + +var internals = { + delimiter: '&', + depth: 5, + arrayLimit: 20, + parameterLimit: 1000, + strictNullHandling: false +}; + + +internals.parseValues = function (str, options) { + + var obj = {}; + var parts = str.split(options.delimiter, options.parameterLimit === Infinity ? undefined : options.parameterLimit); + + for (var i = 0, il = parts.length; i < il; ++i) { + var part = parts[i]; + var pos = part.indexOf(']=') === -1 ? part.indexOf('=') : part.indexOf(']=') + 1; + + if (pos === -1) { + obj[Utils.decode(part)] = ''; + + if (options.strictNullHandling) { + obj[Utils.decode(part)] = null; + } + } + else { + var key = Utils.decode(part.slice(0, pos)); + var val = Utils.decode(part.slice(pos + 1)); + + if (!Object.prototype.hasOwnProperty.call(obj, key)) { + obj[key] = val; + } + else { + obj[key] = [].concat(obj[key]).concat(val); + } + } + } + + return obj; +}; + + +internals.parseObject = function (chain, val, options) { + + if (!chain.length) { + return val; + } + + var root = chain.shift(); + + var obj; + if (root === '[]') { + obj = []; + obj = obj.concat(internals.parseObject(chain, val, options)); + } + else { + obj = Object.create(null); + var cleanRoot = root[0] === '[' && root[root.length - 1] === ']' ? root.slice(1, root.length - 1) : root; + var index = parseInt(cleanRoot, 10); + var indexString = '' + index; + if (!isNaN(index) && + root !== cleanRoot && + indexString === cleanRoot && + index >= 0 && + (options.parseArrays && + index <= options.arrayLimit)) { + + obj = []; + obj[index] = internals.parseObject(chain, val, options); + } + else { + obj[cleanRoot] = internals.parseObject(chain, val, options); + } + } + + return obj; +}; + + +internals.parseKeys = function (key, val, options) { + + if (!key) { + return; + } + + // Transform dot notation to bracket notation + + if (options.allowDots) { + key = key.replace(/\.([^\.\[]+)/g, '[$1]'); + } + + // The regex chunks + + var parent = /^([^\[\]]*)/; + var child = /(\[[^\[\]]*\])/g; + + // Get the parent + + var segment = parent.exec(key); + + // Stash the parent if it exists + + var keys = []; + if (segment[1]) { + keys.push(segment[1]); + } + + // Loop through children appending to the array until we hit depth + + var i = 0; + while ((segment = child.exec(key)) !== null && i < options.depth) { + + ++i; + keys.push(segment[1]); + } + + // If there's a remainder, just add whatever is left + + if (segment) { + keys.push('[' + key.slice(segment.index) + ']'); + } + + return internals.parseObject(keys, val, options); +}; + + +module.exports = function (str, options) { + + if (str === '' || + str === null || + typeof str === 'undefined') { + + return Object.create(null); + } + + options = options || {}; + options.delimiter = typeof options.delimiter === 'string' || Utils.isRegExp(options.delimiter) ? options.delimiter : internals.delimiter; + options.depth = typeof options.depth === 'number' ? options.depth : internals.depth; + options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : internals.arrayLimit; + options.parseArrays = options.parseArrays !== false; + options.allowDots = options.allowDots !== false; + options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : internals.parameterLimit; + options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : internals.strictNullHandling; + + + var tempObj = typeof str === 'string' ? internals.parseValues(str, options) : str; + var obj = Object.create(null); + + // Iterate over the keys and setup the new object + + var keys = Object.keys(tempObj); + for (var i = 0, il = keys.length; i < il; ++i) { + var key = keys[i]; + var newObj = internals.parseKeys(key, tempObj[key], options); + obj = Utils.merge(obj, newObj); + } + + return Utils.compact(obj); +}; |