diff options
| author | Teddy Wing | 2013-04-27 19:25:40 -0400 |
|---|---|---|
| committer | Teddy Wing | 2013-04-27 19:25:56 -0400 |
| commit | 512e8b2da71de59132a29e80d7359ac843d62f07 (patch) | |
| tree | 3f5024a4f75072eda45713dcd429a0b58bf969b9 /node_modules/express/lib/utils.js | |
| parent | 4b14305623d5ddc59f435fc5e35c54c0def1d392 (diff) | |
| download | Who-am-I-512e8b2da71de59132a29e80d7359ac843d62f07.tar.bz2 | |
Untrack ./node_modules
Sorry, my bad for not ignoring it initially.
Diffstat (limited to 'node_modules/express/lib/utils.js')
| -rw-r--r-- | node_modules/express/lib/utils.js | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/node_modules/express/lib/utils.js b/node_modules/express/lib/utils.js deleted file mode 100644 index fd245a8..0000000 --- a/node_modules/express/lib/utils.js +++ /dev/null @@ -1,313 +0,0 @@ - -/** - * Module dependencies. - */ - -var mime = require('connect').mime - , crc32 = require('buffer-crc32'); - -/** - * toString ref. - */ - -var toString = {}.toString; - -/** - * Return ETag for `body`. - * - * @param {String|Buffer} body - * @return {String} - * @api private - */ - -exports.etag = function(body){ - return '"' + crc32.signed(body) + '"'; -}; - -/** - * Make `locals()` bound to the given `obj`. - * - * This is used for `app.locals` and `res.locals`. - * - * @param {Object} obj - * @return {Function} - * @api private - */ - -exports.locals = function(obj){ - function locals(obj){ - for (var key in obj) locals[key] = obj[key]; - return obj; - }; - - return locals; -}; - -/** - * Check if `path` looks absolute. - * - * @param {String} path - * @return {Boolean} - * @api private - */ - -exports.isAbsolute = function(path){ - if ('/' == path[0]) return true; - if (':' == path[1] && '\\' == path[2]) return true; -}; - -/** - * Flatten the given `arr`. - * - * @param {Array} arr - * @return {Array} - * @api private - */ - -exports.flatten = function(arr, ret){ - var ret = ret || [] - , len = arr.length; - for (var i = 0; i < len; ++i) { - if (Array.isArray(arr[i])) { - exports.flatten(arr[i], ret); - } else { - ret.push(arr[i]); - } - } - return ret; -}; - -/** - * Normalize the given `type`, for example "html" becomes "text/html". - * - * @param {String} type - * @return {Object} - * @api private - */ - -exports.normalizeType = function(type){ - return ~type.indexOf('/') - ? acceptParams(type) - : { value: mime.lookup(type), params: {} }; -}; - -/** - * Normalize `types`, for example "html" becomes "text/html". - * - * @param {Array} types - * @return {Array} - * @api private - */ - -exports.normalizeTypes = function(types){ - var ret = []; - - for (var i = 0; i < types.length; ++i) { - ret.push(exports.normalizeType(types[i])); - } - - return ret; -}; - -/** - * Return the acceptable type in `types`, if any. - * - * @param {Array} types - * @param {String} str - * @return {String} - * @api private - */ - -exports.acceptsArray = function(types, str){ - // accept anything when Accept is not present - if (!str) return types[0]; - - // parse - var accepted = exports.parseAccept(str) - , normalized = exports.normalizeTypes(types) - , len = accepted.length; - - for (var i = 0; i < len; ++i) { - for (var j = 0, jlen = types.length; j < jlen; ++j) { - if (exports.accept(normalized[j], accepted[i])) { - return types[j]; - } - } - } -}; - -/** - * Check if `type(s)` are acceptable based on - * the given `str`. - * - * @param {String|Array} type(s) - * @param {String} str - * @return {Boolean|String} - * @api private - */ - -exports.accepts = function(type, str){ - if ('string' == typeof type) type = type.split(/ *, */); - return exports.acceptsArray(type, str); -}; - -/** - * Check if `type` array is acceptable for `other`. - * - * @param {Object} type - * @param {Object} other - * @return {Boolean} - * @api private - */ - -exports.accept = function(type, other){ - var t = type.value.split('/'); - return (t[0] == other.type || '*' == other.type) - && (t[1] == other.subtype || '*' == other.subtype) - && paramsEqual(type.params, other.params); -}; - -/** - * Check if accept params are equal. - * - * @param {Object} a - * @param {Object} b - * @return {Boolean} - * @api private - */ - -function paramsEqual(a, b){ - return !Object.keys(a).some(function(k) { - return a[k] != b[k]; - }); -} - -/** - * Parse accept `str`, returning - * an array objects containing - * `.type` and `.subtype` along - * with the values provided by - * `parseQuality()`. - * - * @param {Type} name - * @return {Type} - * @api private - */ - -exports.parseAccept = function(str){ - return exports - .parseParams(str) - .map(function(obj){ - var parts = obj.value.split('/'); - obj.type = parts[0]; - obj.subtype = parts[1]; - return obj; - }); -}; - -/** - * Parse quality `str`, returning an - * array of objects with `.value`, - * `.quality` and optional `.params` - * - * @param {String} str - * @return {Array} - * @api private - */ - -exports.parseParams = function(str){ - return str - .split(/ *, */) - .map(acceptParams) - .filter(function(obj){ - return obj.quality; - }) - .sort(function(a, b){ - if (a.quality === b.quality) { - return a.originalIndex - b.originalIndex; - } else { - return b.quality - a.quality; - } - }); -}; - -/** - * Parse accept params `str` returning an - * object with `.value`, `.quality` and `.params`. - * also includes `.originalIndex` for stable sorting - * - * @param {String} str - * @return {Object} - * @api private - */ - -function acceptParams(str, index) { - var parts = str.split(/ *; */); - var ret = { value: parts[0], quality: 1, params: {}, originalIndex: index }; - - for (var i = 1; i < parts.length; ++i) { - var pms = parts[i].split(/ *= */); - if ('q' == pms[0]) { - ret.quality = parseFloat(pms[1]); - } else { - ret.params[pms[0]] = pms[1]; - } - } - - return ret; -} - -/** - * Escape special characters in the given string of html. - * - * @param {String} html - * @return {String} - * @api private - */ - -exports.escape = function(html) { - return String(html) - .replace(/&/g, '&') - .replace(/"/g, '"') - .replace(/</g, '<') - .replace(/>/g, '>'); -}; - -/** - * Normalize the given path string, - * returning a regular expression. - * - * An empty array should be passed, - * which will contain the placeholder - * key names. For example "/user/:id" will - * then contain ["id"]. - * - * @param {String|RegExp|Array} path - * @param {Array} keys - * @param {Boolean} sensitive - * @param {Boolean} strict - * @return {RegExp} - * @api private - */ - -exports.pathRegexp = function(path, keys, sensitive, strict) { - if (toString.call(path) == '[object RegExp]') return path; - if (Array.isArray(path)) path = '(' + path.join('|') + ')'; - path = path - .concat(strict ? '' : '/?') - .replace(/\/\(/g, '(?:/') - .replace(/(\/)?(\.)?:(\w+)(?:(\(.*?\)))?(\?)?(\*)?/g, function(_, slash, format, key, capture, optional, star){ - keys.push({ name: key, optional: !! optional }); - slash = slash || ''; - return '' - + (optional ? '' : slash) - + '(?:' - + (optional ? slash : '') - + (format || '') + (capture || (format && '([^/.]+?)' || '([^/]+?)')) + ')' - + (optional || '') - + (star ? '(/*)?' : ''); - }) - .replace(/([\/.])/g, '\\$1') - .replace(/\*/g, '(.*)'); - return new RegExp('^' + path + '$', sensitive ? '' : 'i'); -} |
