/usr/lib/nodejs/snapdragon/index.js is in node-snapdragon 0.8.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | 'use strict';
var Base = require('base');
var define = require('define-property');
var Compiler = require('./lib/compiler');
var Parser = require('./lib/parser');
var utils = require('./lib/utils');
var regexCache = {};
var cache = {};
/**
* Create a new instance of `Snapdragon` with the given `options`.
*
* ```js
* var snapdragon = new Snapdragon();
* ```
*
* @param {Object} `options`
* @api public
*/
function Snapdragon(options) {
Base.call(this, null, options);
this.options = utils.extend({source: 'string'}, this.options);
this.compiler = new Compiler(this.options);
this.parser = new Parser(this.options);
Object.defineProperty(this, 'compilers', {
get: function() {
return this.compiler.compilers;
}
});
Object.defineProperty(this, 'parsers', {
get: function() {
return this.parser.parsers;
}
});
Object.defineProperty(this, 'regex', {
get: function() {
return this.parser.regex;
}
});
}
/**
* Inherit Base
*/
Base.extend(Snapdragon);
/**
* Add a parser to `snapdragon.parsers` for capturing the given `type` using
* the specified regex or parser function. A function is useful if you need
* to customize how the token is created and/or have access to the parser
* instance to check options, etc.
*
* ```js
* snapdragon
* .capture('slash', /^\//)
* .capture('dot', function() {
* var pos = this.position();
* var m = this.match(/^\./);
* if (!m) return;
* return pos({
* type: 'dot',
* val: m[0]
* });
* });
* ```
* @param {String} `type`
* @param {RegExp|Function} `regex`
* @return {Object} Returns the parser instance for chaining
* @api public
*/
Snapdragon.prototype.capture = function() {
return this.parser.capture.apply(this.parser, arguments);
};
/**
* Register a plugin `fn`.
*
* ```js
* var snapdragon = new Snapdgragon([options]);
* snapdragon.use(function() {
* console.log(this); //<= snapdragon instance
* console.log(this.parser); //<= parser instance
* console.log(this.compiler); //<= compiler instance
* });
* ```
* @param {Object} `fn`
* @api public
*/
Snapdragon.prototype.use = function(fn) {
fn.call(this, this);
return this;
};
/**
* Parse the given `str`.
*
* ```js
* var snapdragon = new Snapdgragon([options]);
* // register parsers
* snapdragon.parser.use(function() {});
*
* // parse
* var ast = snapdragon.parse('foo/bar');
* console.log(ast);
* ```
* @param {String} `str`
* @param {Object} `options` Set `options.sourcemap` to true to enable source maps.
* @return {Object} Returns an AST.
* @api public
*/
Snapdragon.prototype.parse = function(str, options) {
this.options = utils.extend({}, this.options, options);
var parsed = this.parser.parse(str, this.options);
// add non-enumerable parser reference
define(parsed, 'parser', this.parser);
return parsed;
};
/**
* Compile the given `AST`.
*
* ```js
* var snapdragon = new Snapdgragon([options]);
* // register plugins
* snapdragon.use(function() {});
* // register parser plugins
* snapdragon.parser.use(function() {});
* // register compiler plugins
* snapdragon.compiler.use(function() {});
*
* // parse
* var ast = snapdragon.parse('foo/bar');
*
* // compile
* var res = snapdragon.compile(ast);
* console.log(res.output);
* ```
* @param {Object} `ast`
* @param {Object} `options`
* @return {Object} Returns an object with an `output` property with the rendered string.
* @api public
*/
Snapdragon.prototype.compile = function(ast, options) {
this.options = utils.extend({}, this.options, options);
var compiled = this.compiler.compile(ast, this.options);
// add non-enumerable compiler reference
define(compiled, 'compiler', this.compiler);
return compiled;
};
/**
* Expose `Snapdragon`
*/
module.exports = Snapdragon;
/**
* Expose `Parser` and `Compiler`
*/
module.exports.Compiler = Compiler;
module.exports.Parser = Parser;
|