diff options
Diffstat (limited to 'dgbuilder/dgeflows/node_modules/ejs/lib/ejs.js')
-rw-r--r-- | dgbuilder/dgeflows/node_modules/ejs/lib/ejs.js | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/dgbuilder/dgeflows/node_modules/ejs/lib/ejs.js b/dgbuilder/dgeflows/node_modules/ejs/lib/ejs.js deleted file mode 100644 index a0d4ae54..00000000 --- a/dgbuilder/dgeflows/node_modules/ejs/lib/ejs.js +++ /dev/null @@ -1,525 +0,0 @@ -/* - * EJS Embedded JavaScript templates - * Copyright 2112 Matthew Eernisse (mde@fleegix.org) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * -*/ - -'use strict'; - -var fs = require('fs') - , utils = require('./utils') - , jsCache = {} - , _VERSION_STRING = require('../package.json').version - , _DEFAULT_DELIMITER = '%' - , _DEFAULT_LOCALS_NAME = 'locals' - , _REGEX_STRING = '(<%%|<%=|<%-|<%#|<%|%>|-%>)' - , _OPTS = [ 'cache', 'filename', 'delimiter', 'scope', 'context' - , 'debug', 'compileDebug', 'client', '_with' - ] - , _TRAILING_SEMCOL = /;\s*$/; - -exports.localsName = _DEFAULT_LOCALS_NAME; - -exports.resolveInclude = function(name, filename) { - var path = require('path') - , dirname = path.dirname - , extname = path.extname - , resolve = path.resolve - , includePath = resolve(dirname(filename), name) - , ext = extname(name); - if (!ext) { - includePath += '.ejs'; - } - return includePath; -} - - -// Returns a possibly cached template function, set by options.cache. -// `template` is the string of EJS to compile. -// If template is undefined then the file specified in options.filename is -// read. -function handleCache(options, template) { - var fn - , path = options.filename - , hasTemplate = template !== undefined; - - if (options.cache) { - if (!path) { - throw new Error('cache option requires a filename'); - } - fn = jsCache[path]; - if (fn) { - return fn; - } - if (!hasTemplate) { - template = fs.readFileSync(path, {encoding: 'utf8'}); - } - } - else if (!hasTemplate) { - if (!path) { - throw new Error('Internal EJS error: no file name or template ' - + 'provided'); - } - template = fs.readFileSync(path, {encoding: 'utf8'}); - } - fn = exports.compile(template.trim(), options); - if (options.cache) { - jsCache[path] = fn; - } - return fn; -} - -function includeFile(path, options) { - var opts = utils.shallowCopy({}, options || /* istanbul ignore next */ {}); - if (!opts.filename) { - throw new Error('`include` requires the \'filename\' option.'); - } - opts.filename = exports.resolveInclude(path, opts.filename); - return handleCache(opts); -} - -function includeSource(path, options) { - var opts = utils.shallowCopy({}, options || {}) - , includePath - , template; - if (!opts.filename) { - throw new Error('`include` requires the \'filename\' option.'); - } - includePath = exports.resolveInclude(path, opts.filename); - template = fs.readFileSync(includePath).toString().trim(); - - opts.filename = includePath; - var templ = new Template(template, opts); - templ.generateSource(); - return templ.source; -} - -function rethrow(err, str, filename, lineno){ - var lines = str.split('\n') - , start = Math.max(lineno - 3, 0) - , end = Math.min(lines.length, lineno + 3); - - // Error context - var context = lines.slice(start, end).map(function (line, i){ - var curr = i + start + 1; - return (curr == lineno ? ' >> ' : ' ') - + curr - + '| ' - + line; - }).join('\n'); - - // Alter exception message - err.path = filename; - err.message = (filename || 'ejs') + ':' - + lineno + '\n' - + context + '\n\n' - + err.message; - - throw err; -} - -function cpOptsInData(data, opts) { - _OPTS.forEach(function (p) { - if (typeof data[p] != 'undefined') { - opts[p] = data[p]; - } - }); - delete data.__expressRender__; -} - -function compile(template, opts) { - var templ; - - // v1 compat - // 'scope' is 'context' - // FIXME: Remove this in a future version - if (opts && opts.scope) { - if (!opts.context) { - opts.context = opts.scope; - } - delete opts.scope; - } - templ = new Template(template, opts); - return templ.compile(); -} -exports.compile = compile; - -// template, [data], [opts] -// Have to include an empty data object if you want opts and no data -exports.render = function (template, data, opts) { - data = data || {}; - opts = opts || {}; - var fn; - - // No options object -- if there are optiony names - // in the data, copy them to options - if (arguments.length == 2) { - cpOptsInData(data, opts); - } - - fn = handleCache(opts, template); - return fn.call(opts.context, data); -}; - -// path, [data], [opts], cb -// Have to include an empty data object if you want opts and no data -exports.renderFile = function () { - var args = Array.prototype.slice.call(arguments) - , path = args.shift() - , cb = args.pop() - , data = args.shift() || {} - , opts = args.pop() || {} - , result - , failed = false; - - // No options object -- if there are optiony names - // in the data, copy them to options - if (arguments.length == 3) { - cpOptsInData(data, opts); - } - opts.filename = path; - - try { - result = handleCache(opts)(data); - } - catch(err) { - return process.nextTick(function () { - cb(err); - }); - } - process.nextTick(function () { - cb(null, result); - }); -}; - -exports.clearCache = function () { - jsCache = {}; -}; - -function Template(text, opts) { - opts = opts || {}; - var options = {}; - this.templateText = text; - this.mode = null; - this.truncate = false; - this.currentLine = 1; - this.source = ''; - options.client = opts.client || false; - options.escapeFunction = opts.escape || utils.escapeXML; - options.compileDebug = opts.compileDebug !== false; - options.debug = !!opts.debug; - options.filename = opts.filename; - options.delimiter = opts.delimiter || exports.delimiter || _DEFAULT_DELIMITER; - options._with = typeof opts._with != 'undefined' ? opts._with : true; - options.cache = opts.cache || false; - this.opts = options; - - this.regex = this.createRegex(); -} - -Template.modes = { - EVAL: 'eval' - , ESCAPED: 'escaped' - , RAW: 'raw' - , COMMENT: 'comment' - , LITERAL: 'literal' -}; - -Template.prototype = new function () { - this.createRegex = function () { - var str = _REGEX_STRING - , delim = utils.escapeRegExpChars(this.opts.delimiter); - str = str.replace(/%/g, delim); - return new RegExp(str); - }; - - this.compile = function () { - var src - , fn - , opts = this.opts - , escape = opts.escapeFunction; - - if (!this.source) { - this.generateSource(); - var prepended = 'var __output = [];'; - if (opts._with !== false) { - prepended += ' with (' + exports.localsName + ' || {}) { '; - } - this.source = prepended + this.source; - if (opts._with !== false) { - this.source += '}'; - } - this.source += ';return __output.join("").trim();'; - } - - if (opts.compileDebug) { - src = 'var __line = 1' + - ', __lines = ' + JSON.stringify(this.templateText) + - ', __filename = ' + (opts.filename ? - JSON.stringify(opts.filename) : 'undefined') + - '; try {' + - this.source + '} catch (e) { rethrow(e, __lines, __filename, __line); }'; - } - else { - src = this.source; - } - - if (opts.debug) { - console.log(src); - } - - if (opts.client) { - if (escape !== utils.escapeXML) { - src = 'escape = escape || ' + escape.toString() + ';\n' + src; - } - else { - src = utils.escapeFuncStr - + 'escape = escape || ' - + escape.toString() + ';\n' - + src; - } - if (opts.compileDebug) { - src = 'rethrow = rethrow || ' + rethrow.toString() + ';\n' + src; - } - } - - try { - fn = new Function(exports.localsName + ', escape, include, rethrow', src); - } - catch(e) { - if (e instanceof SyntaxError) { - if (opts.filename) { - e.message += ' in ' + opts.filename; - } - e.message += ' while compiling ejs'; - throw e; - } - } - - if (opts.client) { - return fn; - } - - // Return a callable function which will execute the function - // created by the source-code, with the passed data as locals - return function (data) { - var include = function (path, includeData) { - var d = utils.shallowCopy({}, data); - if (includeData) { - d = utils.shallowCopy(d, includeData); - } - return includeFile(path, opts)(d); - }; - return fn(data || {}, escape, include, rethrow); - }; - - }; - - this.generateSource = function () { - var self = this - , matches = this.parseTemplateText() - , d = this.opts.delimiter; - - if (matches && matches.length) { - matches.forEach(function (line, index) { - var closing - , include - , includeOpts - , includeSrc; - // If this is an opening tag, check for closing tags - // FIXME: May end up with some false positives here - // Better to store modes as k/v with '<' + delimiter as key - // Then this can simply check against the map - if ( line.indexOf('<' + d) === 0 // If it is a tag - && line.indexOf('<' + d + d) !== 0) { // and is not escaped - closing = matches[index + 2]; - if (!(closing == d + '>' || closing == '-' + d + '>')) { - throw new Error('Could not find matching close tag for "' + line + '".'); - } - } - // HACK: backward-compat `include` preprocessor directives - if ((include = line.match(/^\s*include\s+(\S+)/))) { - includeOpts = utils.shallowCopy({}, self.opts); - includeSrc = includeSource(include[1], includeOpts); - includeSrc = ';(function(){' + includeSrc + '})();'; - self.source += includeSrc; - } - else { - self.scanLine(line); - } - }); - } - - }; - - this.parseTemplateText = function () { - var str = this.templateText - , pat = this.regex - , result = pat.exec(str) - , arr = [] - , firstPos - , lastPos; - - while (result) { - firstPos = result.index; - lastPos = pat.lastIndex; - - if (firstPos !== 0) { - arr.push(str.substring(0, firstPos)); - str = str.slice(firstPos); - } - - arr.push(result[0]); - str = str.slice(result[0].length); - result = pat.exec(str); - } - - if (str) { - arr.push(str); - } - - return arr; - }; - - this.scanLine = function (line) { - var self = this - , d = this.opts.delimiter - , newLineCount = 0; - - function _addOutput() { - if (self.truncate) { - line = line.replace('\n', ''); - } - - // Preserve literal slashes - line = line.replace(/\\/g, '\\\\'); - - // Convert linebreaks - line = line.replace(/\n/g, '\\n'); - line = line.replace(/\r/g, '\\r'); - - // Escape double-quotes - // - this will be the delimiter during execution - line = line.replace(/"/g, '\\"'); - self.source += ';__output.push("' + line + '");'; - } - - newLineCount = (line.split('\n').length - 1); - - switch (line) { - case '<' + d: - this.mode = Template.modes.EVAL; - break; - case '<' + d + '=': - this.mode = Template.modes.ESCAPED; - break; - case '<' + d + '-': - this.mode = Template.modes.RAW; - break; - case '<' + d + '#': - this.mode = Template.modes.COMMENT; - break; - case '<' + d + d: - this.mode = Template.modes.LITERAL; - this.source += ';__output.push("' + line.replace('<' + d + d, '<' + d) + '");'; - break; - case d + '>': - case '-' + d + '>': - if (this.mode == Template.modes.LITERAL) { - _addOutput(); - } - - this.mode = null; - this.truncate = line.indexOf('-') === 0; - break; - default: - // In script mode, depends on type of tag - if (this.mode) { - // If '//' is found without a line break, add a line break. - switch (this.mode) { - case Template.modes.EVAL: - case Template.modes.ESCAPED: - case Template.modes.RAW: - if (line.lastIndexOf('//') > line.lastIndexOf('\n')) { - line += '\n'; - } - } - switch (this.mode) { - // Just executing code - case Template.modes.EVAL: - this.source += ';' + line; - break; - // Exec, esc, and output - case Template.modes.ESCAPED: - // Add the exec'd, escaped result to the output - // Have to prevent the string-coercion of `undefined` and `null` - // in the `escape` function -- making a `join` call like below unnecessary - this.source += ';__output.push(escape(' + - line.replace(_TRAILING_SEMCOL, '').trim() + '))'; - break; - // Exec and output - case Template.modes.RAW: - // Add the exec'd result to the output - // Using `join` here prevents string-coercion of `undefined` and `null` - // without filtering out falsey values like zero - this.source += ';__output.push(' + - line.replace(_TRAILING_SEMCOL, '').trim() + ')'; - break; - case Template.modes.COMMENT: - // Do nothing - break; - // Literal <%% mode, append as raw output - case Template.modes.LITERAL: - _addOutput(); - break; - } - } - // In string mode, just add the output - else { - _addOutput(); - } - } - - if (self.opts.compileDebug && newLineCount) { - this.currentLine += newLineCount; - this.source += ';__line = ' + this.currentLine + ';'; - } - }; -}; - -// Express support -exports.__express = exports.renderFile; - -// Add require support -/* istanbul ignore else */ -if (require.extensions) { - require.extensions['.ejs'] = function (module, filename) { - filename = filename || /* istanbul ignore next */ module.filename; - var options = { - filename: filename - , client: true - } - , template = fs.readFileSync(filename).toString().trim() - , fn = compile(template, options); - module._compile('module.exports = ' + fn.toString() + ';', filename); - }; -} - -exports.VERSION = _VERSION_STRING; - -/* istanbul ignore if */ -if (typeof window != 'undefined') { - window.ejs = exports; -} |