kopia lustrzana https://github.com/miklobit/TiddlyWiki5
1276 wiersze
39 KiB
JavaScript
1276 wiersze
39 KiB
JavaScript
/*\
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title: $:/core/boot.js
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type: application/javascript
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The main boot kernel for TiddlyWiki. This single file creates a barebones TW environment that is just sufficient to bootstrap the modules containing the main logic of the application.
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On the server this file is executed directly to boot TiddlyWiki. In the browser, this file is packed into a single HTML file along with other elements:
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# bootprefix.js
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# <module definitions>
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# boot.js
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The module definitions on the browser look like this:
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$tw.defineModule("MyModule","moduletype",function(module,exports,require) {
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// Module code inserted here
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return exports;
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});
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In practice, each module is wrapped in a separate script block.
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\*/
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(function() {
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/*jslint node: true, browser: true */
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/*global modules: false, $tw: false */
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"use strict";
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/////////////////////////// Setting up $tw
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// Set up $tw global for the server
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if(typeof(window) === "undefined") {
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global.$tw = global.$tw || {}; // No `browser` member for the server
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exports.$tw = $tw; // Export $tw for when boot.js is required directly in node.js
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}
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// Include bootprefix if we're on the server
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if(!$tw.browser) {
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require("./bootprefix.js");
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}
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$tw.utils = $tw.utils || {};
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$tw.boot = $tw.boot || {};
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/////////////////////////// Standard node.js libraries
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var fs, path, vm;
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if(!$tw.browser) {
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fs = require("fs");
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path = require("path");
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vm = require("vm");
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}
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/////////////////////////// Utility functions
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/*
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Log a message
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*/
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$tw.utils.log = function(/* args */) {
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if(console !== undefined && console.log !== undefined) {
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return Function.apply.call(console.log, console, arguments);
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}
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};
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/*
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Display an error and exit
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*/
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$tw.utils.error = function(err) {
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console.error(err);
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if($tw.browser) {
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return null;
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} else {
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process.exit(1);
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}
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};
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/*
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Check if an object has a property
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*/
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$tw.utils.hop = function(object,property) {
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return Object.prototype.hasOwnProperty.call(object,property);
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};
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/*
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Determine if a value is an array
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*/
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$tw.utils.isArray = function(value) {
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return Object.prototype.toString.call(value) == "[object Array]";
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};
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/*
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Iterate through all the own properties of an object or array. Callback is invoked with (element,title,object)
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*/
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$tw.utils.each = function(object,callback) {
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var f;
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if(object) {
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if($tw.utils.isArray(object)) {
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for(f=0; f<object.length; f++) {
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callback(object[f],f,object);
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}
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} else {
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for(f in object) {
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if($tw.utils.hop(object,f)) {
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callback(object[f],f,object);
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}
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}
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}
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}
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};
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/*
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Extend an object with the properties from a list of source objects
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*/
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$tw.utils.extend = function(object /*, sourceObjectList */) {
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$tw.utils.each(Array.prototype.slice.call(arguments,1),function(source) {
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if(source) {
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for (var p in source) {
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object[p] = source[p];
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}
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}
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});
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return object;
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};
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/*
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Fill in any null or undefined properties of an object with the properties from a list of source objects. Each property that is an object is called recursively
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*/
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$tw.utils.deepDefaults = function(object /*, sourceObjectList */) {
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$tw.utils.each(Array.prototype.slice.call(arguments,1),function(source) {
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if(source) {
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for (var p in source) {
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if(object[p] == null) {
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object[p] = source[p];
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}
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if(typeof object[p] === "object" && typeof source[p] === "object") {
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$tw.utils.deepDefaults(object[p],source[p]);
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}
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}
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}
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});
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return object;
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};
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/*
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Convert "&" to &, "<" to <, ">" to > and """ to "
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*/
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$tw.utils.htmlDecode = function(s) {
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return s.toString().replace(/</mg,"<").replace(/>/mg,">").replace(/"/mg,"\"").replace(/&/mg,"&");
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};
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/*
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Pad a string to a given length with "0"s. Length defaults to 2
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*/
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$tw.utils.pad = function(value,length) {
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length = length || 2;
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var s = value.toString();
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if(s.length < length) {
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s = "000000000000000000000000000".substr(0,length - s.length) + s;
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}
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return s;
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};
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// Convert a date into YYYYMMDDHHMM format
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$tw.utils.stringifyDate = function(value) {
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return value.getUTCFullYear() +
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$tw.utils.pad(value.getUTCMonth() + 1) +
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$tw.utils.pad(value.getUTCDate()) +
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$tw.utils.pad(value.getUTCHours()) +
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$tw.utils.pad(value.getUTCMinutes());
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};
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// Parse a date from a YYYYMMDDHHMMSSMMM format string
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$tw.utils.parseDate = function(value) {
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if(typeof value === "string") {
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return new Date(Date.UTC(parseInt(value.substr(0,4),10),
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parseInt(value.substr(4,2),10)-1,
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parseInt(value.substr(6,2),10),
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parseInt(value.substr(8,2)||"00",10),
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parseInt(value.substr(10,2)||"00",10),
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parseInt(value.substr(12,2)||"00",10),
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parseInt(value.substr(14,3)||"000",10)));
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} else if (value instanceof Date) {
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return value;
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} else {
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return null;
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}
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};
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// Parse a string array from a bracketted list. For example "OneTiddler [[Another Tiddler]] LastOne"
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$tw.utils.parseStringArray = function(value) {
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if(typeof value === "string") {
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var memberRegExp = /(?:\[\[([^\]]+)\]\])|([^\s]+)/mg,
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results = [],
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match;
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do {
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match = memberRegExp.exec(value);
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if(match) {
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results.push(match[1] || match[2]);
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}
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} while(match);
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return results;
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} else if ($tw.utils.isArray(value)) {
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return value;
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} else {
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return null;
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}
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};
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// Parse a block of name:value fields. The `fields` object is used as the basis for the return value
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$tw.utils.parseFields = function(text,fields) {
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fields = fields || {};
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text.split(/\r?\n/mg).forEach(function(line) {
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if(line.charAt(0) !== "#") {
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var p = line.indexOf(":");
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if(p !== -1) {
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var field = line.substr(0, p).trim(),
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value = line.substr(p+1).trim();
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fields[field] = value;
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}
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}
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});
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return fields;
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};
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/*
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Resolves a source filepath delimited with `/` relative to a specified absolute root filepath.
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In relative paths, the special folder name `..` refers to immediate parent directory, and the
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name `.` refers to the current directory
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*/
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$tw.utils.resolvePath = function(sourcepath,rootpath) {
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// If the source path starts with ./ or ../ then it is relative to the root
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if(sourcepath.substr(0,2) === "./" || sourcepath.substr(0,3) === "../" ) {
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var src = sourcepath.split("/"),
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root = rootpath.split("/");
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// Remove the filename part of the root
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root.splice(root.length-1,1);
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// Process the source path bit by bit onto the end of the root path
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while(src.length > 0) {
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var c = src.shift();
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if(c === "..") { // Slice off the last root entry for a double dot
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if(root.length > 0) {
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root.splice(root.length-1,1);
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}
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} else if(c !== ".") { // Ignore dots
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root.push(c); // Copy other elements across
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}
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}
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return root.join("/");
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} else {
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// If it isn't relative, just return the path
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return sourcepath;
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}
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};
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/*
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Returns true if the `actual` version is greater than or equal to the `required` version. Both are in `x.y.z` format.
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*/
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$tw.utils.checkVersions = function(required,actual) {
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var targetVersion = required.split("."),
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currVersion = actual.split("."),
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diff = [parseInt(targetVersion[0],10) - parseInt(currVersion[0],10),
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parseInt(targetVersion[1],10) - parseInt(currVersion[1],10),
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parseInt(targetVersion[2],10) - parseInt(currVersion[2],10)];
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return (diff[0] > 0) ||
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(diff[0] === 0 && diff[1] > 0) ||
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(diff[0] === 0 && diff[1] === 0 && diff[2] > 0);
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};
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/*
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Register file type information
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*/
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$tw.utils.registerFileType = function(type,encoding,extension) {
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$tw.config.fileExtensionInfo[extension] = {type: type};
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$tw.config.contentTypeInfo[type] = {encoding: encoding, extension: extension};
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}
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/*
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Run code globally with specified context variables in scope
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*/
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$tw.utils.evalGlobal = function(code,context,filename) {
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var contextCopy = $tw.utils.extend({},context,{
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exports: {}
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});
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// Get the context variables as a pair of arrays of names and values
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var contextNames = [], contextValues = [];
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$tw.utils.each(contextCopy,function(value,name) {
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contextNames.push(name);
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contextValues.push(value);
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});
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// Add the code prologue and epilogue
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code = "(function(" + contextNames.join(",") + ") {(function(){\n" + code + ";})();\nreturn exports;\n})\n";
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// Compile the code into a function
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var fn;
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if($tw.browser) {
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fn = window["eval"](code);
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} else {
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fn = vm.runInThisContext(code,filename);
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}
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// Call the function and return the exports
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return fn.apply(null,contextValues);
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};
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/*
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Run code in a sandbox with only the specified context variables in scope
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*/
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$tw.utils.evalSandboxed = $tw.browser ? $tw.utils.evalGlobal : function(code,context,filename) {
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var sandbox = $tw.utils.extend({},context);
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$tw.utils.extend(sandbox,{
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exports: {}
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});
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vm.runInNewContext(code,sandbox,filename);
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return sandbox.exports;
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};
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/*
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Creates a PasswordPrompt object
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*/
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$tw.utils.PasswordPrompt = function() {
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// Store of pending password prompts
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this.passwordPrompts = [];
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// Create the wrapper
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this.promptWrapper = document.createElement("div");
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this.promptWrapper.className = "tw-password-wrapper";
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document.body.appendChild(this.promptWrapper);
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// Hide the empty wrapper
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this.setWrapperDisplay();
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};
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/*
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Hides or shows the wrapper depending on whether there are any outstanding prompts
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*/
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$tw.utils.PasswordPrompt.prototype.setWrapperDisplay = function() {
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if(this.passwordPrompts.length) {
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this.promptWrapper.style.display = "block";
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} else {
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this.promptWrapper.style.display = "none";
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}
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};
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/*
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Adds a new password prompt. Options are:
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submitText: text to use for submit button (defaults to "Login")
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serviceName: text of the human readable service name
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noUserName: set true to disable username prompt
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callback: function to be called on submission with parameter of object {username:,password:}. Callback must return `true` to remove the password prompt
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*/
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$tw.utils.PasswordPrompt.prototype.createPrompt = function(options) {
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// Create and add the prompt to the DOM
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var submitText = options.submitText || "Login",
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form = document.createElement("form"),
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html = ["<h1>" + options.serviceName + "</h1>"];
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if(!options.noUserName) {
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html.push("<input type='text' name='username' class='input-small' placeholder='Username'>");
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}
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html.push("<input type='password' name='password' class='input-small' placeholder='Password'>",
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"<button type='submit' class='btn'>" + submitText + "</button>");
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form.className = "form-inline";
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form.setAttribute("autocomplete","off");
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form.innerHTML = html.join("\n");
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this.promptWrapper.appendChild(form);
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window.setTimeout(function() {
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form.elements[0].focus();
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},10);
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// Add a submit event handler
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var self = this;
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form.addEventListener("submit",function(event) {
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// Collect the form data
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var data = {},t;
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$tw.utils.each(form.elements,function(element) {
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if(element.name && element.value) {
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data[element.name] = element.value;
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}
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});
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// Call the callback
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if(options.callback(data)) {
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// Remove the prompt if the callback returned true
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var i = self.passwordPrompts.indexOf(promptInfo);
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if(i !== -1) {
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self.passwordPrompts.splice(i,1);
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promptInfo.form.parentNode.removeChild(promptInfo.form);
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self.setWrapperDisplay();
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}
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} else {
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// Clear the password if the callback returned false
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$tw.utils.each(form.elements,function(element) {
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if(element.name === "password") {
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form.elements[t].value = "";
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}
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});
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}
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event.preventDefault();
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return false;
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},true);
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// Add the prompt to the list
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var promptInfo = {
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serviceName: options.serviceName,
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callback: options.callback,
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form: form
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};
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this.passwordPrompts.push(promptInfo);
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// Make sure the wrapper is displayed
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this.setWrapperDisplay();
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};
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/*
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Crypto helper object for encrypted content. It maintains the password text in a closure, and provides methods to change
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the password, and to encrypt/decrypt a block of text
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*/
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$tw.utils.Crypto = function() {
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var sjcl = $tw.browser ? window.sjcl : require("./sjcl.js"),
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password = null,
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callSjcl = function(method,inputText) {
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var outputText;
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try {
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outputText = sjcl[method](password,inputText);
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} catch(ex) {
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console.log("Crypto error:" + ex);
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outputText = null;
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}
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return outputText;
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};
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this.setPassword = function(newPassword) {
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password = newPassword;
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this.updateCryptoStateTiddler();
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};
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this.updateCryptoStateTiddler = function() {
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if($tw.wiki && $tw.wiki.addTiddler) {
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$tw.wiki.addTiddler(new $tw.Tiddler({title: "$:/isEncrypted", text: password ? "yes" : "no"}));
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}
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};
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this.hasPassword = function() {
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return !!password;
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}
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this.encrypt = function(text) {
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return callSjcl("encrypt",text);
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};
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this.decrypt = function(text) {
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return callSjcl("decrypt",text);
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};
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};
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/////////////////////////// Module mechanism
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/*
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Execute the module named 'moduleName'. The name can optionally be relative to the module named 'moduleRoot'
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*/
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$tw.modules.execute = function(moduleName,moduleRoot) {
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var name = moduleRoot ? $tw.utils.resolvePath(moduleName,moduleRoot) : moduleName,
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moduleInfo = $tw.modules.titles[name],
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tiddler = $tw.wiki.getTiddler(name),
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sandbox = {
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module: moduleInfo,
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exports: {},
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console: console,
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setInterval: setInterval,
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clearInterval: clearInterval,
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setTimeout: setTimeout,
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clearTimeout: clearTimeout,
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$tw: $tw,
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require: function(title) {
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return $tw.modules.execute(title,name);
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}
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};
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if(!$tw.browser) {
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$tw.utils.extend(sandbox,{
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process: process
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});
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}
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if(!moduleInfo) {
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if($tw.browser) {
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return $tw.utils.error("Cannot find module named '" + moduleName + "' required by module '" + moduleRoot + "', resolved to " + name);
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} else {
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// If we don't have a module with that name, let node.js try to find it
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return require(moduleName);
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}
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}
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// Execute the module if we haven't already done so
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if(!moduleInfo.exports) {
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try {
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// Check the type of the definition
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if(typeof moduleInfo.definition === "string") { // String
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moduleInfo.exports = $tw.utils.evalSandboxed(moduleInfo.definition,sandbox,tiddler.fields.title);
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} else { // Object
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moduleInfo.exports = moduleInfo.definition;
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}
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} catch(e) {
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$tw.utils.error("Error executing boot module " + name + ":\n" + e);
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}
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}
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// Return the exports of the module
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return moduleInfo.exports;
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};
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/*
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Apply a callback to each module of a particular type
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moduleType: type of modules to enumerate
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callback: function called as callback(title,moduleExports) for each module
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*/
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$tw.modules.forEachModuleOfType = function(moduleType,callback) {
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var modules = $tw.modules.types[moduleType];
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$tw.utils.each(modules,function(element,title,object) {
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callback(title,$tw.modules.execute(title));
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});
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};
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/*
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Get all the modules of a particular type in a hashmap by their `name` field
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*/
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$tw.modules.getModulesByTypeAsHashmap = function(moduleType,nameField) {
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nameField = nameField || "name";
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var results = {};
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$tw.modules.forEachModuleOfType(moduleType,function(title,module) {
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results[module[nameField]] = module;
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});
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return results;
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};
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/*
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Apply the exports of the modules of a particular type to a target object
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*/
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|
$tw.modules.applyMethods = function(moduleType,targetObject) {
|
|
if(!targetObject) {
|
|
targetObject = {};
|
|
}
|
|
$tw.modules.forEachModuleOfType(moduleType,function(title,module) {
|
|
$tw.utils.each(module,function(element,title,object) {
|
|
targetObject[title] = module[title];
|
|
});
|
|
});
|
|
return targetObject;
|
|
};
|
|
|
|
/*
|
|
Return an array of classes created from the modules of a specified type. Each module should export the properties to be added to those of the optional base class
|
|
*/
|
|
$tw.modules.createClassesFromModules = function(moduleType,subType,baseClass) {
|
|
var classes = {};
|
|
$tw.modules.forEachModuleOfType(moduleType,function(title,moduleExports) {
|
|
if(!subType || moduleExports.types[subType]) {
|
|
var newClass = function() {};
|
|
if(baseClass) {
|
|
newClass.prototype = new baseClass();
|
|
newClass.prototype.constructor = baseClass;
|
|
}
|
|
$tw.utils.extend(newClass.prototype,moduleExports);
|
|
classes[moduleExports.name] = newClass;
|
|
}
|
|
});
|
|
return classes;
|
|
};
|
|
|
|
/////////////////////////// Barebones tiddler object
|
|
|
|
/*
|
|
Construct a tiddler object from a hashmap of tiddler fields. If multiple hasmaps are provided they are merged,
|
|
taking precedence to the right
|
|
*/
|
|
$tw.Tiddler = function(/* [fields,] fields */) {
|
|
this.fields = {};
|
|
for(var c=0; c<arguments.length; c++) {
|
|
var arg = arguments[c],
|
|
src = (arg instanceof $tw.Tiddler) ? arg.fields : arg;
|
|
for(var t in src) {
|
|
if(src[t] === undefined) {
|
|
if(t in this.fields) {
|
|
delete this.fields[t]; // If we get a field that's undefined, delete any previous field value
|
|
}
|
|
} else {
|
|
// Parse the field with the associated field module (if any)
|
|
var fieldModule = $tw.Tiddler.fieldModules[t];
|
|
if(fieldModule) {
|
|
this.fields[t] = fieldModule.parse.call(this,src[t]);
|
|
} else {
|
|
this.fields[t] = src[t];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
$tw.Tiddler.prototype.hasField = function(field) {
|
|
return $tw.utils.hop(this.fields,field);
|
|
};
|
|
|
|
/*
|
|
Register and install the built in tiddler field modules
|
|
*/
|
|
$tw.modules.define("$:/boot/tiddlerfields/modified","tiddlerfield",{
|
|
name: "modified",
|
|
parse: $tw.utils.parseDate,
|
|
stringify: $tw.utils.stringifyDate
|
|
});
|
|
$tw.modules.define("$:/boot/tiddlerfields/created","tiddlerfield",{
|
|
name: "created",
|
|
parse: $tw.utils.parseDate,
|
|
stringify: $tw.utils.stringifyDate
|
|
});
|
|
$tw.modules.define("$:/boot/tiddlerfields/tags","tiddlerfield",{
|
|
name: "tags",
|
|
parse: $tw.utils.parseStringArray,
|
|
stringify: function(value) {
|
|
var result = [];
|
|
for(var t=0; t<value.length; t++) {
|
|
if(value[t].indexOf(" ") !== -1) {
|
|
result.push("[[" + value[t] + "]]");
|
|
} else {
|
|
result.push(value[t]);
|
|
}
|
|
}
|
|
return result.join(" ");
|
|
}
|
|
});
|
|
|
|
/////////////////////////// Barebones wiki store
|
|
|
|
/*
|
|
Construct a wiki store object
|
|
*/
|
|
$tw.Wiki = function() {
|
|
this.tiddlers = {};
|
|
this.plugins = []; // Array of registered plugins, ordered by priority
|
|
this.shadowTiddlers = {}; // Hashmap by title of {source:, tiddler:}
|
|
};
|
|
|
|
$tw.Wiki.prototype.addTiddler = function(tiddler) {
|
|
if(!(tiddler instanceof $tw.Tiddler)) {
|
|
tiddler = new $tw.Tiddler(tiddler);
|
|
}
|
|
this.tiddlers[tiddler.fields.title] = tiddler;
|
|
};
|
|
|
|
$tw.Wiki.prototype.addTiddlers = function(tiddlers) {
|
|
for(var t=0; t<tiddlers.length; t++) {
|
|
this.addTiddler(tiddlers[t]);
|
|
}
|
|
};
|
|
|
|
/*
|
|
Register the plugin tiddlers of a particular type, optionally restricting registration to an array of tiddler titles. Return the array of titles affected
|
|
*/
|
|
$tw.Wiki.prototype.registerPluginTiddlers = function(pluginType,titles) {
|
|
var self = this,
|
|
registeredTitles = [];
|
|
// Go through the provided titles, or the entire tiddler list, looking for plugins of this type
|
|
var checkTiddler = function(tiddler) {
|
|
if(tiddler && tiddler.fields.type === "application/json" && tiddler.hasField("plugin") && tiddler.fields["plugin-type"] === pluginType) {
|
|
self.plugins.push(tiddler);
|
|
registeredTitles.push(tiddler.fields.title);
|
|
}
|
|
};
|
|
if(titles) {
|
|
$tw.utils.each(titles,function(title) {
|
|
checkTiddler(self.getTiddler(title));
|
|
});
|
|
} else {
|
|
$tw.utils.each(this.tiddlers,function(tiddler,title) {
|
|
checkTiddler(tiddler);
|
|
});
|
|
}
|
|
return registeredTitles;
|
|
};
|
|
|
|
/*
|
|
Unregister the plugin tiddlers of a particular type, returning an array of the titles affected
|
|
*/
|
|
$tw.Wiki.prototype.unregisterPluginTiddlers = function(pluginType) {
|
|
var self = this,
|
|
titles = [];
|
|
// Remove any previous registered plugins of this type
|
|
for(var t=this.plugins.length-1; t>=0; t--) {
|
|
var tiddler = this.plugins[t];
|
|
if(tiddler.fields["plugin-type"] === pluginType) {
|
|
titles.push(tiddler.fields.title);
|
|
this.plugins.splice(t,1);
|
|
}
|
|
}
|
|
return titles;
|
|
};
|
|
|
|
/*
|
|
Unpack the currently registered plugins, creating shadow tiddlers for their constituent tiddlers
|
|
*/
|
|
$tw.Wiki.prototype.unpackPluginTiddlers = function() {
|
|
var self = this;
|
|
// Sort the plugin titles by the `plugin-priority` field
|
|
this.plugins.sort(function(a,b) {
|
|
if("plugin-priority" in a.fields && "plugin-priority" in b.fields) {
|
|
return a.fields["plugin-priority"] - b.fields["plugin-priority"];
|
|
} else if("plugin-priority" in a.fields) {
|
|
return -1;
|
|
} else if("plugin-priority" in b.fields) {
|
|
return +1;
|
|
} else if(a.fields.title < b.fields.title) {
|
|
return -1;
|
|
} else if(a.fields.title === b.fields.title) {
|
|
return 0;
|
|
} else {
|
|
return +1;
|
|
}
|
|
});
|
|
// Now go through the plugins in ascending order and assign the shadows
|
|
this.shadowTiddlers = {};
|
|
$tw.utils.each(this.plugins,function(tiddler) {
|
|
// Get the plugin information
|
|
var pluginInfo = JSON.parse(tiddler.fields.text);
|
|
// Extract the constituent tiddlers
|
|
$tw.utils.each(pluginInfo.tiddlers,function(constituentTiddler,constituentTitle) {
|
|
// Save the tiddler object
|
|
self.shadowTiddlers[constituentTitle] = {
|
|
source: tiddler.fields.title,
|
|
tiddler: new $tw.Tiddler(constituentTiddler,{title: constituentTitle})
|
|
};
|
|
});
|
|
});
|
|
};
|
|
|
|
/*
|
|
Define all modules stored in ordinary tiddlers
|
|
*/
|
|
$tw.Wiki.prototype.defineTiddlerModules = function() {
|
|
$tw.utils.each(this.tiddlers,function(tiddler,title,object) {
|
|
if(tiddler.hasField("module-type")) {
|
|
switch (tiddler.fields.type) {
|
|
case "application/javascript":
|
|
// We only define modules that haven't already been defined, because in the browser modules in system tiddlers are defined in inline script
|
|
if(!$tw.utils.hop($tw.modules.titles,tiddler.fields.title)) {
|
|
$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],tiddler.fields.text);
|
|
}
|
|
break;
|
|
case "application/json":
|
|
$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],JSON.parse(tiddler.fields.text));
|
|
break;
|
|
case "application/x-tiddler-dictionary":
|
|
$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],$tw.utils.parseFields(tiddler.fields.text));
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
/*
|
|
Register all the module tiddlers that have a module type
|
|
*/
|
|
$tw.Wiki.prototype.defineShadowModules = function() {
|
|
var self = this;
|
|
$tw.utils.each(this.shadowTiddlers,function(element,title) {
|
|
var tiddler = self.getTiddler(title);
|
|
if(!$tw.utils.hop(self.tiddlers,title)) { // Don't define the module if it is overidden by an ordinary tiddler
|
|
if(tiddler.hasField("module-type")) {
|
|
// Define the module
|
|
$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],tiddler.fields.text);
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
$tw.Wiki.prototype.getTiddler = function(title) {
|
|
var t = this.tiddlers[title];
|
|
if(t instanceof $tw.Tiddler) {
|
|
return t;
|
|
} else if($tw.utils.hop(this.shadowTiddlers,title)) {
|
|
return this.shadowTiddlers[title].tiddler;
|
|
} else {
|
|
return undefined;
|
|
}
|
|
};
|
|
|
|
/*
|
|
Extracts tiddlers from a typed block of text, specifying default field values
|
|
*/
|
|
$tw.Wiki.prototype.deserializeTiddlers = function(type,text,srcFields) {
|
|
srcFields = srcFields || {};
|
|
var deserializer = $tw.Wiki.tiddlerDeserializerModules[type],
|
|
fields = {};
|
|
if(!deserializer && $tw.config.fileExtensionInfo[type]) {
|
|
// If we didn't find the serializer, try converting it from an extension to a content type
|
|
type = $tw.config.fileExtensionInfo[type].type;
|
|
deserializer = $tw.Wiki.tiddlerDeserializerModules[type];
|
|
}
|
|
if(!deserializer) {
|
|
// If we still don't have a deserializer, treat it as plain text
|
|
deserializer = $tw.Wiki.tiddlerDeserializerModules["text/plain"];
|
|
}
|
|
for(var f in srcFields) {
|
|
fields[f] = srcFields[f];
|
|
}
|
|
if(deserializer) {
|
|
return deserializer.call(this,text,fields,type);
|
|
} else {
|
|
// Return a raw tiddler for unknown types
|
|
fields.text = text;
|
|
return [fields];
|
|
}
|
|
};
|
|
|
|
/*
|
|
Register the built in tiddler deserializer modules
|
|
*/
|
|
$tw.modules.define("$:/boot/tiddlerdeserializer/js","tiddlerdeserializer",{
|
|
"application/javascript": function(text,fields) {
|
|
var headerCommentRegExp = new RegExp($tw.config.jsModuleHeaderRegExpString,"mg"),
|
|
match = headerCommentRegExp.exec(text);
|
|
fields.text = text;
|
|
if(match) {
|
|
fields = $tw.utils.parseFields(match[1].split(/\r?\n\r?\n/mg)[0],fields);
|
|
}
|
|
return [fields];
|
|
}
|
|
});
|
|
$tw.modules.define("$:/boot/tiddlerdeserializer/tid","tiddlerdeserializer",{
|
|
"application/x-tiddler": function(text,fields) {
|
|
var split = text.split(/\r?\n\r?\n/mg);
|
|
if(split.length >= 1) {
|
|
fields = $tw.utils.parseFields(split[0],fields);
|
|
}
|
|
if(split.length >= 2) {
|
|
fields.text = split.slice(1).join("\n\n");
|
|
} else {
|
|
fields.text = "";
|
|
}
|
|
return [fields];
|
|
}
|
|
});
|
|
$tw.modules.define("$:/boot/tiddlerdeserializer/txt","tiddlerdeserializer",{
|
|
"text/plain": function(text,fields,type) {
|
|
fields.text = text;
|
|
fields.type = type || "text/plain";
|
|
return [fields];
|
|
}
|
|
});
|
|
$tw.modules.define("$:/boot/tiddlerdeserializer/html","tiddlerdeserializer",{
|
|
"text/html": function(text,fields) {
|
|
fields.text = text;
|
|
fields.type = "text/html";
|
|
return [fields];
|
|
}
|
|
});
|
|
$tw.modules.define("$:/boot/tiddlerdeserializer/json","tiddlerdeserializer",{
|
|
"application/json": function(text,fields) {
|
|
var tiddlers = JSON.parse(text);
|
|
return tiddlers;
|
|
}
|
|
});
|
|
|
|
/////////////////////////// Browser definitions
|
|
|
|
if($tw.browser) {
|
|
|
|
/*
|
|
Decrypt any tiddlers stored within the element with the ID "encryptedArea". The function is asynchronous to allow the user to be prompted for a password
|
|
callback: function to be called the decryption is complete
|
|
*/
|
|
$tw.boot.decryptEncryptedTiddlers = function(callback) {
|
|
var encryptedArea = document.getElementById("encryptedStoreArea");
|
|
if(encryptedArea) {
|
|
var encryptedText = encryptedArea.innerHTML;
|
|
// Prompt for the password
|
|
$tw.passwordPrompt.createPrompt({
|
|
serviceName: "Enter a password to decrypt this TiddlyWiki",
|
|
noUserName: true,
|
|
submitText: "Decrypt",
|
|
callback: function(data) {
|
|
// Attempt to decrypt the tiddlers
|
|
$tw.crypto.setPassword(data.password);
|
|
var decryptedText = $tw.crypto.decrypt(encryptedText);
|
|
if(decryptedText) {
|
|
var json = JSON.parse(decryptedText);
|
|
for(var title in json) {
|
|
$tw.preloadTiddler(json[title]);
|
|
}
|
|
// Call the callback
|
|
callback();
|
|
// Exit and remove the password prompt
|
|
return true;
|
|
} else {
|
|
// We didn't decrypt everything, so continue to prompt for password
|
|
return false;
|
|
}
|
|
}
|
|
});
|
|
} else {
|
|
// Just invoke the callback straight away if there weren't any encrypted tiddlers
|
|
callback();
|
|
}
|
|
};
|
|
|
|
/*
|
|
Register a deserializer that can extract tiddlers from the DOM
|
|
*/
|
|
$tw.modules.define("$:/boot/tiddlerdeserializer/dom","tiddlerdeserializer",{
|
|
"(DOM)": function(node) {
|
|
var extractTextTiddlers = function(node) {
|
|
var e = node.firstChild;
|
|
while(e && e.nodeName.toLowerCase() !== "pre") {
|
|
e = e.nextSibling;
|
|
}
|
|
var title = node.getAttribute ? node.getAttribute("title") : null;
|
|
if(e && title) {
|
|
var attrs = node.attributes,
|
|
tiddler = {
|
|
text: $tw.utils.htmlDecode(e.innerHTML)
|
|
};
|
|
for(var i=attrs.length-1; i >= 0; i--) {
|
|
tiddler[attrs[i].name] = attrs[i].value;
|
|
}
|
|
return [tiddler];
|
|
} else {
|
|
return null;
|
|
}
|
|
},
|
|
extractModuleTiddlers = function(node) {
|
|
if(node.hasAttribute && node.hasAttribute("data-tiddler-title")) {
|
|
var text = node.innerHTML,
|
|
s = text.indexOf("{"),
|
|
e = text.lastIndexOf("}");
|
|
if(node.hasAttribute("data-module") && s !== -1 && e !== -1) {
|
|
text = text.substring(s+1,e);
|
|
}
|
|
var fields = {text: text},
|
|
attributes = node.attributes;
|
|
for(var a=0; a<attributes.length; a++) {
|
|
if(attributes[a].nodeName.substr(0,13) === "data-tiddler-") {
|
|
fields[attributes[a].nodeName.substr(13)] = attributes[a].value;
|
|
}
|
|
}
|
|
return [fields];
|
|
} else {
|
|
return null;
|
|
}
|
|
},
|
|
t,result = [];
|
|
if(node) {
|
|
for(t = 0; t < node.childNodes.length; t++) {
|
|
var tiddlers = extractTextTiddlers(node.childNodes[t]),
|
|
childNode = node.childNodes[t];
|
|
tiddlers = tiddlers || extractModuleTiddlers(childNode);
|
|
if(tiddlers) {
|
|
result.push.apply(result,tiddlers);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
});
|
|
|
|
$tw.loadTiddlers = function() {
|
|
// In the browser, we load tiddlers from certain elements
|
|
var containerIds = [
|
|
"libraryModules",
|
|
"modules",
|
|
"bootKernelPrefix",
|
|
"bootKernel",
|
|
"styleArea",
|
|
"storeArea",
|
|
"systemArea"
|
|
];
|
|
for(var t=0; t<containerIds.length; t++) {
|
|
$tw.wiki.addTiddlers($tw.wiki.deserializeTiddlers("(DOM)",document.getElementById(containerIds[t])));
|
|
}
|
|
// Load any preloaded tiddlers
|
|
if($tw.preloadTiddlers) {
|
|
$tw.wiki.addTiddlers($tw.preloadTiddlers);
|
|
}
|
|
};
|
|
|
|
// End of if($tw.browser)
|
|
}
|
|
|
|
/////////////////////////// Server definitions
|
|
|
|
if(!$tw.browser) {
|
|
|
|
/*
|
|
Get any encrypted tiddlers
|
|
*/
|
|
$tw.boot.decryptEncryptedTiddlers = function(callback) {
|
|
// Storing encrypted tiddlers on the server isn't supported yet
|
|
callback();
|
|
};
|
|
|
|
/*
|
|
Load the tiddlers contained in a particular file (and optionally extract fields from the accompanying .meta file) returned as {filepath:,type:,tiddlers:[],hasMetaFile:}
|
|
*/
|
|
$tw.loadTiddlersFromFile = function(filepath,fields) {
|
|
var ext = path.extname(filepath),
|
|
extensionInfo = $tw.config.fileExtensionInfo[ext],
|
|
type = extensionInfo ? extensionInfo.type : null,
|
|
typeInfo = type ? $tw.config.contentTypeInfo[type] : null,
|
|
data = fs.readFileSync(filepath,typeInfo ? typeInfo.encoding : "utf8"),
|
|
tiddlers = $tw.wiki.deserializeTiddlers(ext,data,fields),
|
|
metafile = filepath + ".meta",
|
|
metadata;
|
|
if(ext !== ".json" && tiddlers.length === 1 && fs.existsSync(metafile)) {
|
|
metadata = fs.readFileSync(metafile,"utf8");
|
|
if(metadata) {
|
|
tiddlers = [$tw.utils.parseFields(metadata,tiddlers[0])];
|
|
}
|
|
}
|
|
return {filepath: filepath, type: type, tiddlers: tiddlers, hasMetaFile: !!metadata};
|
|
};
|
|
|
|
/*
|
|
Load all the tiddlers recursively from a directory, including honouring `tiddlywiki.files` files for drawing in external files. Returns an array of {filepath:,type:,tiddlers: [{..fields...}],hasMetaFile:}. Note that no file information is returned for externally loaded tiddlers, just the `tiddlers` property.
|
|
*/
|
|
$tw.loadTiddlersFromPath = function(filepath,excludeRegExp) {
|
|
excludeRegExp = excludeRegExp || /^\.DS_Store$|.meta$/;
|
|
var tiddlers = [];
|
|
if(fs.existsSync(filepath)) {
|
|
var stat = fs.statSync(filepath);
|
|
if(stat.isDirectory()) {
|
|
var files = fs.readdirSync(filepath);
|
|
// Look for a tiddlywiki.files file
|
|
if(files.indexOf("tiddlywiki.files") !== -1) {
|
|
// If so, process the files it describes
|
|
var filesInfo = JSON.parse(fs.readFileSync(filepath + "/tiddlywiki.files","utf8"));
|
|
$tw.utils.each(filesInfo.tiddlers,function(tidInfo) {
|
|
var typeInfo = $tw.config.contentTypeInfo[tidInfo.fields.type || "text/plain"],
|
|
pathname = path.resolve(filepath,tidInfo.file),
|
|
text = fs.readFileSync(pathname,typeInfo ? typeInfo.encoding : "utf8");
|
|
if(tidInfo.prefix) {
|
|
text = tidInfo.prefix + text;
|
|
}
|
|
tidInfo.fields.text = text;
|
|
tiddlers.push({tiddlers: [tidInfo.fields]});
|
|
});
|
|
} else {
|
|
// If not, read all the files in the directory
|
|
$tw.utils.each(files,function(file) {
|
|
if(!excludeRegExp.test(file)) {
|
|
tiddlers.push.apply(tiddlers,$tw.loadTiddlersFromPath(filepath + "/" + file,excludeRegExp));
|
|
}
|
|
});
|
|
}
|
|
} else if(stat.isFile()) {
|
|
tiddlers.push($tw.loadTiddlersFromFile(filepath));
|
|
}
|
|
}
|
|
return tiddlers;
|
|
};
|
|
|
|
/*
|
|
Load the tiddlers from a plugin folder, and package them up into a proper JSON plugin tiddler
|
|
*/
|
|
$tw.loadPluginFolder = function(filepath,excludeRegExp) {
|
|
excludeRegExp = excludeRegExp || /^\.DS_Store$|.meta$/;
|
|
var stat, files, pluginInfo, pluginTiddlers = [], f, file, titlePrefix, t;
|
|
if(fs.existsSync(filepath)) {
|
|
stat = fs.statSync(filepath);
|
|
if(stat.isDirectory()) {
|
|
// Read the plugin information
|
|
pluginInfo = JSON.parse(fs.readFileSync(filepath + "/plugin.info","utf8"));
|
|
// Read the plugin files
|
|
files = fs.readdirSync(filepath);
|
|
for(f=0; f<files.length; f++) {
|
|
file = files[f];
|
|
if(!excludeRegExp.test(file) && file !== "plugin.info" && file !== "tiddlywiki.files") {
|
|
var tiddlerFiles = $tw.loadTiddlersFromPath(filepath + "/" + file,excludeRegExp);
|
|
$tw.utils.each(tiddlerFiles,function(tiddlerFile) {
|
|
pluginTiddlers.push.apply(pluginTiddlers,tiddlerFile.tiddlers);
|
|
});
|
|
}
|
|
}
|
|
// Save the plugin tiddlers into the plugin info
|
|
pluginInfo.tiddlers = pluginInfo.tiddlers || {};
|
|
for(t=0; t<pluginTiddlers.length; t++) {
|
|
pluginInfo.tiddlers[pluginTiddlers[t].title] = pluginTiddlers[t];
|
|
}
|
|
}
|
|
}
|
|
// Save the plugin tiddler
|
|
if(pluginInfo) {
|
|
var fields = {
|
|
title: pluginInfo.title,
|
|
type: "application/json",
|
|
plugin: "yes",
|
|
text: JSON.stringify(pluginInfo,null,4),
|
|
"plugin-priority": pluginInfo["plugin-priority"],
|
|
"plugin-type": pluginInfo["plugin-type"] || "plugin"
|
|
}
|
|
return fields;
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
/*
|
|
path: path of wiki directory
|
|
parentPaths: array of parent paths that we mustn't recurse into
|
|
*/
|
|
$tw.loadWikiTiddlers = function(wikiPath,parentPaths) {
|
|
parentPaths = parentPaths || [];
|
|
var wikiInfoPath = path.resolve(wikiPath,$tw.config.wikiInfo),
|
|
wikiInfo = {},
|
|
pluginFields;
|
|
// Bail if we don't have a wiki info file
|
|
if(!fs.existsSync(wikiInfoPath)) {
|
|
$tw.utils.error("Missing tiddlywiki.info file at " + wikiPath);
|
|
}
|
|
wikiInfo = JSON.parse(fs.readFileSync(wikiInfoPath,"utf8"));
|
|
// Load any parent wikis
|
|
if(wikiInfo.includeWikis) {
|
|
parentPaths = parentPaths.slice(0);
|
|
parentPaths.push(wikiPath);
|
|
$tw.utils.each(wikiInfo.includeWikis,function(includedWikiPath) {
|
|
var resolvedIncludedWikiPath = path.resolve(wikiPath,includedWikiPath);
|
|
if(parentPaths.indexOf(resolvedIncludedWikiPath) === -1) {
|
|
$tw.loadWikiTiddlers(resolvedIncludedWikiPath,parentPaths);
|
|
} else {
|
|
$tw.utils.error("Cannot recursively include wiki " + resolvedIncludedWikiPath);
|
|
}
|
|
});
|
|
}
|
|
// Load any plugins listed in the wiki info file
|
|
if(wikiInfo.plugins) {
|
|
var pluginBasePath = path.resolve($tw.boot.corePath,$tw.config.pluginsPath);
|
|
for(var t=0; t<wikiInfo.plugins.length; t++) {
|
|
pluginFields = $tw.loadPluginFolder(path.resolve(pluginBasePath,"./" + wikiInfo.plugins[t]));
|
|
if(pluginFields) {
|
|
$tw.wiki.addTiddler(pluginFields);
|
|
}
|
|
}
|
|
}
|
|
// Load any themes listed in the wiki info file
|
|
if(wikiInfo.themes) {
|
|
var themesBasePath = path.resolve($tw.boot.corePath,$tw.config.themesPath);
|
|
for(var t=0; t<wikiInfo.themes.length; t++) {
|
|
pluginFields = $tw.loadPluginFolder(path.resolve(themesBasePath,"./" + wikiInfo.themes[t]));
|
|
if(pluginFields) {
|
|
$tw.wiki.addTiddler(pluginFields);
|
|
}
|
|
}
|
|
}
|
|
// Load the wiki files, registering them as writable
|
|
var resolvedWikiPath = path.resolve(wikiPath,$tw.config.wikiTiddlersSubDir);
|
|
$tw.utils.each($tw.loadTiddlersFromPath(resolvedWikiPath),function(tiddlerFile) {
|
|
$tw.wiki.addTiddlers(tiddlerFile.tiddlers);
|
|
if(tiddlerFile.filepath) {
|
|
$tw.utils.each(tiddlerFile.tiddlers,function(tiddler) {
|
|
$tw.boot.files[tiddler.title] = {
|
|
filepath: tiddlerFile.filepath,
|
|
type: tiddlerFile.type,
|
|
hasMetaFile: tiddlerFile.hasMetaFile
|
|
};
|
|
});
|
|
}
|
|
});
|
|
// Load any plugins within the wiki folder
|
|
var wikiPluginsPath = path.resolve(wikiPath,$tw.config.wikiPluginsSubDir);
|
|
if(fs.existsSync(wikiPluginsPath)) {
|
|
var pluginFolders = fs.readdirSync(wikiPluginsPath);
|
|
for(t=0; t<pluginFolders.length; t++) {
|
|
pluginFields = $tw.loadPluginFolder(path.resolve(wikiPluginsPath,"./" + pluginFolders[t]));
|
|
if(pluginFields) {
|
|
$tw.wiki.addTiddler(pluginFields);
|
|
}
|
|
}
|
|
}
|
|
return wikiInfo;
|
|
};
|
|
|
|
$tw.loadTiddlers = function() {
|
|
// Load the boot tiddlers
|
|
$tw.utils.each($tw.loadTiddlersFromPath($tw.boot.bootPath),function(tiddlerFile) {
|
|
$tw.wiki.addTiddlers(tiddlerFile.tiddlers);
|
|
});
|
|
// Load the core tiddlers
|
|
$tw.wiki.addTiddler($tw.loadPluginFolder($tw.boot.corePath));
|
|
// Load the tiddlers from the wiki directory
|
|
$tw.boot.wikiInfo = $tw.loadWikiTiddlers($tw.boot.wikiPath);
|
|
};
|
|
|
|
// End of if(!$tw.browser)
|
|
}
|
|
|
|
/////////////////////////// Main startup function called once tiddlers have been decrypted
|
|
|
|
$tw.boot.startup = function() {
|
|
// Initialise some more $tw properties
|
|
$tw.utils.deepDefaults($tw,{
|
|
modules: { // Information about each module
|
|
titles: {}, // hashmap by module title of {fn:, exports:, moduleType:}
|
|
types: {} // hashmap by module type of hashmap of exports
|
|
},
|
|
config: { // Configuration overridables
|
|
pluginsPath: "../plugins/",
|
|
themesPath: "../themes/",
|
|
wikiInfo: "./tiddlywiki.info",
|
|
wikiPluginsSubDir: "./plugins",
|
|
wikiTiddlersSubDir: "./tiddlers",
|
|
jsModuleHeaderRegExpString: "^\\/\\*\\\\\\n((?:^[^\\n]*\\n)+?)(^\\\\\\*\\/$\\n?)",
|
|
fileExtensionInfo: {}, // Map file extension to {type:}
|
|
contentTypeInfo: {} // Map type to {encoding:,extension:}
|
|
}
|
|
});
|
|
if(!$tw.browser) {
|
|
// For writable tiddler files, a hashmap of title to {filepath:,type:,hasMetaFile:}
|
|
$tw.boot.files = {};
|
|
// System paths and filenames
|
|
$tw.boot.bootPath = path.dirname(module.filename);
|
|
$tw.boot.corePath = path.resolve($tw.boot.bootPath,"../core");
|
|
// If the first command line argument doesn't start with `--` then we
|
|
// interpret it as the path to the wiki folder, which will otherwise default
|
|
// to the current folder
|
|
$tw.boot.argv = Array.prototype.slice.call(process.argv,2);
|
|
if($tw.boot.argv[0] && $tw.boot.argv[0].indexOf("--") !== 0) {
|
|
$tw.boot.wikiPath = $tw.boot.argv[0];
|
|
$tw.boot.argv = $tw.boot.argv.slice(1);
|
|
} else {
|
|
$tw.boot.wikiPath = process.cwd();
|
|
}
|
|
$tw.boot.wikiTiddlersPath = path.resolve($tw.boot.wikiPath,$tw.config.wikiTiddlersSubDir);
|
|
// Read package info
|
|
$tw.packageInfo = JSON.parse(fs.readFileSync($tw.boot.corePath + "/../package.json"));
|
|
// Check node version number
|
|
if($tw.utils.checkVersions($tw.packageInfo.engines.node.substr(2),process.version.substr(1))) {
|
|
$tw.utils.error("TiddlyWiki5 requires node.js version " + $tw.packageInfo.engine.node);
|
|
}
|
|
}
|
|
// Add file extension information
|
|
$tw.utils.registerFileType("text/vnd.tiddlywiki","utf8",".tid");
|
|
$tw.utils.registerFileType("application/x-tiddler","utf8",".tid");
|
|
$tw.utils.registerFileType("application/x-tiddler-html-div","utf8",".tiddler");
|
|
$tw.utils.registerFileType("application/vnd.tiddlywiki2-recipe","utf8",".recipe");
|
|
$tw.utils.registerFileType("text/plain","utf8",".txt");
|
|
$tw.utils.registerFileType("text/css","utf8",".css");
|
|
$tw.utils.registerFileType("text/html","utf8",".html");
|
|
$tw.utils.registerFileType("application/javascript","utf8",".js");
|
|
$tw.utils.registerFileType("application/json","utf8",".json");
|
|
$tw.utils.registerFileType("application/pdf","base64",".pdf");
|
|
$tw.utils.registerFileType("image/jpeg","base64",".jpg");
|
|
$tw.utils.registerFileType("image/png","base64",".png");
|
|
$tw.utils.registerFileType("image/gif","base64",".gif");
|
|
$tw.utils.registerFileType("image/svg+xml","utf8",".svg");
|
|
// Create the wiki store for the app
|
|
$tw.wiki = new $tw.Wiki();
|
|
// Install built in tiddler fields modules
|
|
$tw.Tiddler.fieldModules = $tw.modules.getModulesByTypeAsHashmap("tiddlerfield");
|
|
// Install the tiddler deserializer modules
|
|
$tw.Wiki.tiddlerDeserializerModules = {};
|
|
$tw.modules.applyMethods("tiddlerdeserializer",$tw.Wiki.tiddlerDeserializerModules);
|
|
// Load tiddlers
|
|
$tw.loadTiddlers();
|
|
// Unpack plugin tiddlers
|
|
$tw.wiki.registerPluginTiddlers("plugin");
|
|
$tw.wiki.unpackPluginTiddlers();
|
|
// Register typed modules from the tiddlers we've just loaded
|
|
$tw.wiki.defineTiddlerModules();
|
|
// And any modules within plugins
|
|
$tw.wiki.defineShadowModules();
|
|
// Make sure the crypto state tiddler is up to date
|
|
$tw.crypto.updateCryptoStateTiddler();
|
|
// Run any startup modules
|
|
$tw.modules.forEachModuleOfType("startup",function(title,module) {
|
|
if(module.startup) {
|
|
module.startup();
|
|
}
|
|
});
|
|
};
|
|
|
|
/////////////////////////// Decrypt tiddlers and then startup
|
|
|
|
// Initialise crypto object
|
|
$tw.crypto = new $tw.utils.Crypto();
|
|
// Initialise password prompter
|
|
if($tw.browser) {
|
|
$tw.passwordPrompt = new $tw.utils.PasswordPrompt();
|
|
}
|
|
// Preload any encrypted tiddlers
|
|
$tw.boot.decryptEncryptedTiddlers(function() {
|
|
// Startup
|
|
$tw.boot.startup();
|
|
});
|
|
|
|
})();
|