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author | 2017-08-07 11:39:39 +0800 | |
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committer | 2017-08-07 11:39:39 +0800 | |
commit | 21d72c4a80fe2937d0c4ddd20624b27adbcd989b (patch) | |
tree | e5013ee12f74f8452e01cbff16e7b0158bc456cb /common/src/main/webapp/usageguide/appserver/node_modules/express/lib/view.js | |
parent | f533e73e2ae32e010b16abdcf7985abaf31ab843 (diff) |
Upload the ESR GUI seed code
Issue-ID: AAI-68
Change-Id: Ia50ce0570c2fabecd77199d4e8454f56fe587c4e
Signed-off-by: lizi00164331 <li.zi30@zte.com.cn>
Diffstat (limited to 'common/src/main/webapp/usageguide/appserver/node_modules/express/lib/view.js')
-rw-r--r-- | common/src/main/webapp/usageguide/appserver/node_modules/express/lib/view.js | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/express/lib/view.js b/common/src/main/webapp/usageguide/appserver/node_modules/express/lib/view.js new file mode 100644 index 0000000..52415d4 --- /dev/null +++ b/common/src/main/webapp/usageguide/appserver/node_modules/express/lib/view.js @@ -0,0 +1,173 @@ +/*! + * express + * Copyright(c) 2009-2013 TJ Holowaychuk + * Copyright(c) 2013 Roman Shtylman + * Copyright(c) 2014-2015 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict'; + +/** + * Module dependencies. + * @private + */ + +var debug = require('debug')('express:view'); +var path = require('path'); +var fs = require('fs'); +var utils = require('./utils'); + +/** + * Module variables. + * @private + */ + +var dirname = path.dirname; +var basename = path.basename; +var extname = path.extname; +var join = path.join; +var resolve = path.resolve; + +/** + * Module exports. + * @public + */ + +module.exports = View; + +/** + * Initialize a new `View` with the given `name`. + * + * Options: + * + * - `defaultEngine` the default template engine name + * - `engines` template engine require() cache + * - `root` root path for view lookup + * + * @param {string} name + * @param {object} options + * @public + */ + +function View(name, options) { + var opts = options || {}; + + this.defaultEngine = opts.defaultEngine; + this.ext = extname(name); + this.name = name; + this.root = opts.root; + + if (!this.ext && !this.defaultEngine) { + throw new Error('No default engine was specified and no extension was provided.'); + } + + var fileName = name; + + if (!this.ext) { + // get extension from default engine name + this.ext = this.defaultEngine[0] !== '.' + ? '.' + this.defaultEngine + : this.defaultEngine; + + fileName += this.ext; + } + + if (!opts.engines[this.ext]) { + // load engine + opts.engines[this.ext] = require(this.ext.substr(1)).__express; + } + + // store loaded engine + this.engine = opts.engines[this.ext]; + + // lookup path + this.path = this.lookup(fileName); +} + +/** + * Lookup view by the given `name` + * + * @param {string} name + * @private + */ + +View.prototype.lookup = function lookup(name) { + var path; + var roots = [].concat(this.root); + + debug('lookup "%s"', name); + + for (var i = 0; i < roots.length && !path; i++) { + var root = roots[i]; + + // resolve the path + var loc = resolve(root, name); + var dir = dirname(loc); + var file = basename(loc); + + // resolve the file + path = this.resolve(dir, file); + } + + return path; +}; + +/** + * Render with the given options. + * + * @param {object} options + * @param {function} callback + * @private + */ + +View.prototype.render = function render(options, callback) { + debug('render "%s"', this.path); + this.engine(this.path, options, callback); +}; + +/** + * Resolve the file within the given directory. + * + * @param {string} dir + * @param {string} file + * @private + */ + +View.prototype.resolve = function resolve(dir, file) { + var ext = this.ext; + + // <path>.<ext> + var path = join(dir, file); + var stat = tryStat(path); + + if (stat && stat.isFile()) { + return path; + } + + // <path>/index.<ext> + path = join(dir, basename(file, ext), 'index' + ext); + stat = tryStat(path); + + if (stat && stat.isFile()) { + return path; + } +}; + +/** + * Return a stat, maybe. + * + * @param {string} path + * @return {fs.Stats} + * @private + */ + +function tryStat(path) { + debug('stat "%s"', path); + + try { + return fs.statSync(path); + } catch (e) { + return undefined; + } +} |