├── README.md
├── Trice Example
    ├── Trice Example.html
    ├── grammar.json
    └── tracery
    │   ├── LICENSE.MD
    │   ├── iterator.js
    │   ├── mods-eng-basic.js
    │   ├── tracery-vis.js
    │   ├── tracery.js
    │   └── vendor
    │       ├── jquery.min.js
    │       └── seedrandom.js
├── Trice.html
└── Trice.js


/README.md:
--------------------------------------------------------------------------------
  1 | # Trice
  2 | A wrapper for [Tracery] (by @[galaxykate]) for [Twine] _(2.x [Sugar Cube] format)_.  
  3 | This project was heavily inspired by [Twincery] (a Twine 1.x wrapper for Tracery) by @[mrfb].  
  4 | If you have any problems or questions about Trice, let me know here or at @[incobalt].  
  5 | 
  6 | There is an excelent [Tracery tutorial] that you can use to learn more about using Tracery. You can also check out the [Twine 2 Guide] for information about getting started with Twine.
  7 | 
  8 | The purpose of Trice is the same as Twinecery:
  9 | 
 10 | 1. Make it easy to author and use Tracery grammars using the Twine 2 interface
 11 | 2. Use Tracery to generate text within Twine 2 passages
 12 | 
 13 | ## Table of Contents
 14 | 
 15 | - [Setting up Trice](#setting-up-trice)
 16 | - [Authoring Grammars](#authoring-grammars)
 17 | 	- [A Brief Explanation of Tracery Grammars](#a-brief-explanation-of-tracery-grammars)
 18 | 	- [Building a Grammar with Twine Passages](#building-a-grammar-with-twine-passages)
 19 | 	- [Outputting Grammars](#outputting-grammars)
 20 | 	- [Compiling the Grammar](#compiling-the-grammar)
 21 | - [Generating Text in Passages](#generating-text-in-passages)
 22 | 	- [The <\<trace>> Macro](#the-trace-macro)
 23 | 	- [The trace() Function](#the-trace-function)
 24 | 	- [Trice Links](#trice-links)
 25 | - [Trice Example](#trice-example)
 26 | 
 27 | ## Setting up Trice
 28 | There are two ways to set up Trice. If you're starting a new Twine, you can simply import the provided Trice.html from the Twine 2 main menu. The other way to set up Trice is to open the Trice.js file and copy its contents. Then open a story or create a new one. With the story open, click on the arrow menu in the lower left and select Edit Story JavaScript from the menu that appears. Go to the end of the file and paste the text you copied earlier.  
 29 | In order to test files published with Trice, you will need to place the files for Tracery in a subfolder named "tracery". This folder needs to be in the same location as the published file. As of this version, Trice needs to find the following files: tracery.js, mods-end-basic.js,  and vendor/seedrandom.js. You can adjust what files get loaded in the section of the script prefaced by "Load your external scripts here."  
 30 | **Note:** Due to the nature of the Twine 2 browser, you won't be able to play or test your story from inside the Twine interface. You will always need to publish to a file.
 31 | 
 32 | ## Authoring Grammars
 33 | ### A Brief Explanation of Tracery Grammars
 34 | A Tracery grammar is a JSON object that has string keys (**symbols**) and an array of potential results (**rules**). For example:
 35 | ```
 36 | {  
 37 | 	"origin": ["The #animal# #action.ed# with #style#."],  
 38 | 	"animal": ["cat", "dog", "bird", "octopus", "camel"],  
 39 | 	"action": ["walk", "shuffle", "waffle", "climb"],  
 40 | 	"style": ["fervor", "denial", "flair", "cheer", "melancholy", "pizazz"]  
 41 | }
 42 | ```
 43 | which would provide results like:
 44 | ```
 45 | The camel walked with fervor.
 46 | The dog walked with denial.
 47 | The bird climbed with flair.
 48 | The cat walked with cheer.
 49 | The octopus shuffled with pizazz.
 50 | ```
 51 | An important part about grammars is that the rules can just be plain text (like the rules in the animal symbol) or they can tell Tracery to generate text. #animal# in the origin symbol's only rule asks Tracery to choose a rule from the animal symbol. Tracery can also put modifiers on these (#action.ed# to properly add past tense 'ed' to the result of #action#). Tracery has a lot more to offer, so take a look at the [Tracery tutorial] to find out more.  
 52 | ### Building a Grammar with Twine Passages
 53 | One of the features of Trice is to allow you to build a Tracery grammar entirely using Twine passages. This grammar can then be used within the story to generate text, or exported to be used in another implementation of Tracery.  
 54 | Each Twine passage with the **"grammar" tag** represents a symbol and a list of rules. The title of the passage becomes the symbol (e.g., animal). The text of the passage becomes a list of rules, with each new rule on a new line. For example the animal passage would look like this:
 55 | ```
 56 | cat
 57 | dog
 58 | bird
 59 | octopus
 60 | camel 
 61 | ```
 62 | Tracery rules can link to other rules (e.g., "The #animal# "). In Trice, you use regular Twine link syntax to do this. So the origin passage would look like this:
 63 | ```
 64 | The [[animal]] [[action<-ed]] with [[style]].
 65 | ```
 66 | This will cause Twine to show a link arrow from the origin passage to the animal, action, and style passages. If you have a lot of interconnected rules, it might get messy, so you can still use the regular Tracery style instead, like so:
 67 | ```
 68 | The #animal# #action.ed# with #style#.
 69 | ```
 70 | Notice that in the Trice style, you use an arrow (<-) to start a list of modifiers. This makes passage linking work nicely in Twine. Only the first arrow is used, the rest use periods to separate them, so you would write "[[action<-ed.a.capitalize]]" if you wanted to add all three modifiers.
 71 | ##### Comments and Blank Lines in Grammar Passages
 72 | Trice ignores Sugar Cube supported comments and blank lines in grammar passages. That means you can space out your rules as you like, and add helpful comments for yourself or anyone reading your Twine source! The supported styles are `/* */`, `/% %/` and `<!-- -->`. 
 73 | Trice won't catch these if they are padded like `/***`, but you can put them on their own line. Additionally, inline // style comments are also ignored. Inline comments can also be on their own line. If you don't want comments to be ignored by Trice, you can add the `noComments` tag to the grammar passage. Note that Trice will still take the comments line by line in this situation.
 74 | See the gHabitatFeature passage in TriceExample.html for an example of how you can use comments.
 75 | ### Outputting Grammars
 76 | Sometimes you just want to use Twine's interface to build a grammar, but don't actually want to use Tracery to generate text in a Twine story. If this is the case, then you can use the <\<printGrammar>> macro in any passage **except the starting passage** to output a string of JSON that you can then copy into another implementation of Tracery.
 77 | ### Compiling the Grammar
 78 | By default, Trice will grab any passage tagged "grammar" and compile these into a grammar, but there are other ways of compiling a grammar for Trice. You can instead paste a JSON string into a single passage and tell Trice to parse that string into a grammar, or you can load a grammar from a JSON file. To change how Trice loads grammars, go to the section of the script titled "Load your external scripts here." and find the place where it says "load your grammar here!"  
 79 | Normally, it will say "generateGrammar();" which tells Trice to search for passages tagged "grammar" and make a Tracery grammar from them. You can change this to "grammarFromPassage("PassageTitle")" to have Trice take the text of the passage with the title PassageTitle, and convert it to a grammar. "grammarFromFile("Path")" will read JSON from the file at Path and convert it to a grammar. If you use either of these methods, you don't need to tag any passages with "grammar" _unless_ you want to make use of Trice links (see the section on Trice links below).
 80 | ## Generating Text in Passages
 81 | The main feature of Tracery is generating text based on rules supplied by a grammar. Trice makes this easy to do in Twine using a few macros and functions.  
 82 | **Note: Since Trice loads Tracery after the page has started loading, you cannot generate any text in the starting passage. If you want to use generative text in the first passage the player sees, use a <\<goto>> macro in the starting passage to immediately forward the player to a new passage.**
 83 | ### The <\<trace>> Macro
 84 | Whenever you want to generate some text and display it, use the <\<trace>> macro. <\<trace>> takes a string argument that tells Tracery to expand that argument into generated text. For example, <\<trace "animal">> will ask Tracery to generate a result from the animal symbol in the grammar. You can even build a full rule like <\<trace "The #animal# #action.s#.">> To get a result like "The cat shuffles." Note that if you want to do this, you need to use full Tracery syntax. If you're just expanding a single symbol, then you don't need the hash marks, just "animal" will do. You can also give <\<trace>> no argument. When you do this, it will expand the "origin" symbol, which is only useful if your grammar has one.  
 85 | Whenever you use <\<trace>>, it stores the output in the $TrResult variable. This can be helpful for repeating it throughout a passage, but it's overwritten every time you use the macro. If you need to store the result longer, use the trace() function.
 86 | ### The trace() Function
 87 | The trace() function is almost identical to the <\<trace>> macro, except that it's meant to be used in expressions like <\<set $currentAnimal to trace("animal")>>. trace() will not print anything to the current passage, and it won't store the result in a temporary variable. It simply returns the result. Trace takes the same arguments that the <\<trace>>macro does, and omitting an argument will expand the "origin" symbol.
 88 | ### Trice Links
 89 | The final way you can generate text is by using Trice links. A Trice link is a Twine link that will replace the text of the link and the passage it links to with generated text. This means that every time the player visits the passage, the link will say something different and link to a different passage.  
 90 | Trice links are simply regular Twine links that point to a passage that has the "grammar" tag. Thus, the "[[animal]]" link points to the animal passage which has the "grammar" tag. When the link gets displayed, though, it will show up as something like "[[cat]]" or "[[octopus]]" instead. These links will now go to the "cat" and "octopus" passages respectively. Like when building grammars, you can start a list of modifiers for the link using the left arrow (<-) symbol. Thus "[[animal<-capitalize.a]]" might result in a link like "[[A dog]]". Nevertheless, this link will still only point to the "dog" passage, so you don't have to make a different passage for every modifier you might want to include in your links.  
 91 | Trice links only work when you have passages with "grammar" tags on them. If you're using another method to compile the grammar for Tracery, then you probably won't have these kinds of passages already in your story. That said, there's nothing stopping you from making passages with "grammar" tags anyway. Trice links only look at the passage titles and tags to see if they should generate a new link.
 92 | ## Trice Example
 93 | The Twine story "The Zoo of Unnamed Creatures" is included in the Trice Example folder (Trice Example.html). This is a Twine story that uses all the functions of Trice described above. Many of the Twine passages in the story have comments explaining the use of various Trice features used in that passage. The Trice Example folder also shows the way to set up Tracery so that Trice can find it.  
 94 | Feel free to modify, expand, or otherwise use this example as you see fit. It is intentionally small, and it can serve as a good jumping-off point.
 95 | 
 96 | [//]: #
 97 |    [Tracery]: <http://tracery.io>
 98 |    [Tracery tutorial]: <http://www.crystalcodepalace.com/traceryTut.html>
 99 |    [Twincery]: <https://github.com/mrfb/twinecery>
100 |    [Twine]: <http://twinery.org>
101 |    [Twine 2 Guide]: <https://twinery.org/wiki/twine2:guide>
102 |    [Cheap Bots Done Quick]: <http://cheapbotsdonequick.com>
103 |    [mrfb]: <http://twitter.com/mrfb>
104 |    [galaxykate]: <http://twitter.com/galaxykate>
105 |    [incobalt]: <http://twitter.com/incobalt>
106 |    [Sugar Cube]: <http://www.motoslave.net/sugarcube/>
107 | 


--------------------------------------------------------------------------------
/Trice Example/grammar.json:
--------------------------------------------------------------------------------
1 | { "gAction" : ["shimmer","glow","blaze","flow","sing","emit"], "gAnimal" : ["cat","dog","bear","bird","fox","anteater","elephant","rhinocerous","horse","unicorn"], "gColor" : ["red","yellow","blue","green","violet","orange","mauve","chartreuse","periwinkle","taupe"], "gCovering" : ["fur","skin","scales","feathers","hair"], "gForest" : ["forest","wood","copse"], "gHabitat" : ["tundra","plains","forest"], "gHabitatFeature" : ["#gSize# #gScenery.s# with #gColor# #gShape.s# all about","#gColor# #gScenery.s# strewn about the area","#gColor# #gShape.s# floating from the sky"], "gPlains" : ["plain","savannah","scrubland","mesa"], "gScenery" : ["rock","tree","river","bridge"], "gShape" : ["star","stripe","dot","flower","spiral","diamond"], "gSize" : ["big","small","enormous","tiny","large"], "gTundra" : ["tundra","taiga","snowfield","ice flat"] }


--------------------------------------------------------------------------------
/Trice Example/tracery/LICENSE.MD:
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/Trice Example/tracery/iterator.js:
--------------------------------------------------------------------------------
 1 | /**
 2 |  * @author Kate
 3 |  */
 4 | 
 5 | function NodeIterator(node) {
 6 |     this.node = node;
 7 |     this.childIndex = -1;
 8 | 
 9 |     this.mode = 0;
10 | 
11 | };
12 | 
13 | var itSpacer = "";
14 | // Go to the next
15 | NodeIterator.prototype.next = function() {
16 | 
17 |     // Actions for this node
18 |     // 0: Just entered
19 |     // 1: Start children
20 |     // 2: Children finished, exit
21 | 
22 |     switch(this.mode) {
23 |     case 0:
24 |         itSpacer += "   ";
25 |         this.mode = 1;
26 |         return {
27 |             log : itSpacer + "Enter " + this.node
28 |         };
29 | 
30 |         break;
31 |     case 1:
32 |         if (!this.node.children || this.node.children.length === 0) {
33 |             this.mode = 2;
34 |             return {
35 |                 log : itSpacer + "start children: no children"
36 |             };
37 |         } else {
38 |             var childCount = this.node.children.length;
39 |             this.node = this.node.children[0];
40 |             this.mode = 0;
41 |             return {
42 |                 log : itSpacer + "starting 0 of " + childCount + " children"
43 |             };
44 |         }
45 |         break;
46 |     case 2:
47 |         itSpacer = itSpacer.substring(3);
48 | 
49 |         // Find a sibling
50 |         if (this.node.parent) {
51 | 
52 |             // Attempt sibling
53 |             var nextSib = (this.node.childIndex + 1);
54 |             if (this.node.parent.children[nextSib] !== undefined) {
55 |                 this.node = this.node.parent.children[nextSib];
56 |                 this.mode = 0;
57 |                 return {
58 |                     log : itSpacer + " starting sibling " + nextSib
59 |                 };
60 |             } else {
61 |                 this.node = this.node.parent;
62 |                 this.mode = 2;
63 |                 return {
64 |                     log : itSpacer + " no remaining siblings, exit to parent"
65 |                 };
66 |             }
67 | 
68 |         } else {
69 | 
70 |             return null;
71 | 
72 |         }
73 | 
74 |         break;
75 |     };
76 | 
77 | };
78 | 


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/Trice Example/tracery/mods-eng-basic.js:
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  1 | /**
  2 |  * @author Kate
  3 |  */
  4 | 
  5 | function isVowel(c) {
  6 | 	var c2 = c.toLowerCase();
  7 | 	return (c2 === 'a') || (c2 === 'e') || (c2 === 'i') || (c2 === 'o') || (c2 === 'u');
  8 | };
  9 | 
 10 | function isAlphaNum(c) {
 11 | 	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9');
 12 | };
 13 | function escapeRegExp(str) {
 14 | 	return str.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
 15 | }
 16 | 
 17 | var baseEngModifiers = {
 18 | 
 19 | 	replace : function(s, params) {
 20 | 		//http://stackoverflow.com/questions/1144783/replacing-all-occurrences-of-a-string-in-javascript
 21 | 		return s.replace(new RegExp(escapeRegExp(params[0]), 'g'), params[1]);
 22 | 	},
 23 | 
 24 | 	capitalizeAll : function(s) {
 25 | 		var s2 = "";
 26 | 		var capNext = true;
 27 | 		for (var i = 0; i < s.length; i++) {
 28 | 
 29 | 			if (!isAlphaNum(s.charAt(i))) {
 30 | 				capNext = true;
 31 | 				s2 += s.charAt(i);
 32 | 			} else {
 33 | 				if (!capNext) {
 34 | 					s2 += s.charAt(i);
 35 | 				} else {
 36 | 					s2 += s.charAt(i).toUpperCase();
 37 | 					capNext = false;
 38 | 				}
 39 | 
 40 | 			}
 41 | 		}
 42 | 		return s2;
 43 | 	},
 44 | 
 45 | 	capitalize : function(s) {
 46 | 		return s.charAt(0).toUpperCase() + s.substring(1);
 47 | 	},
 48 | 
 49 | 	a : function(s) {
 50 | 		if (s.length > 0) {
 51 | 			if (s.charAt(0).toLowerCase() === 'u') {
 52 | 				if (s.length > 2) {
 53 | 					if (s.charAt(2).toLowerCase() === 'i')
 54 | 						return "a " + s;
 55 | 				}
 56 | 			}
 57 | 
 58 | 			if (isVowel(s.charAt(0))) {
 59 | 				return "an " + s;
 60 | 			}
 61 | 		}
 62 | 
 63 | 		return "a " + s;
 64 | 
 65 | 	},
 66 | 
 67 | 	firstS : function(s) {
 68 | 		console.log(s);
 69 | 		var s2 = s.split(" ");
 70 | 
 71 | 		var finished = baseEngModifiers.s(s2[0]) + " " + s2.slice(1).join(" ");
 72 | 		console.log(finished);
 73 | 		return finished;
 74 | 	},
 75 | 
 76 | 	s : function(s) {
 77 | 		switch (s.charAt(s.length -1)) {
 78 | 		case 's':
 79 | 			return s + "es";
 80 | 			break;
 81 | 		case 'h':
 82 | 			return s + "es";
 83 | 			break;
 84 | 		case 'x':
 85 | 			return s + "es";
 86 | 			break;
 87 | 		case 'y':
 88 | 			if (!isVowel(s.charAt(s.length - 2)))
 89 | 				return s.substring(0, s.length - 1) + "ies";
 90 | 			else
 91 | 				return s + "s";
 92 | 			break;
 93 | 		default:
 94 | 			return s + "s";
 95 | 		}
 96 | 	},
 97 | 	ed : function(s) {
 98 | 		switch (s.charAt(s.length -1)) {
 99 | 		case 's':
100 | 			return s + "ed";
101 | 			break;
102 | 		case 'e':
103 | 			return s + "d";
104 | 			break;
105 | 		case 'h':
106 | 			return s + "ed";
107 | 			break;
108 | 		case 'x':
109 | 			return s + "ed";
110 | 			break;
111 | 		case 'y':
112 | 			if (!isVowel(s.charAt(s.length - 2)))
113 | 				return s.substring(0, s.length - 1) + "ied";
114 | 			else
115 | 				return s + "d";
116 | 			break;
117 | 		default:
118 | 			return s + "ed";
119 | 		}
120 | 	}
121 | };
122 | 
123 | 


--------------------------------------------------------------------------------
/Trice Example/tracery/tracery-vis.js:
--------------------------------------------------------------------------------
  1 | /**
  2 |  * @author Kate
  3 |  */
  4 | 
  5 | tracery.Grammar.prototype.calculateDepth = function(originWord) {
  6 |     // Iterate through the grammar and tag each symbol with the depth it's visited at
  7 |     var keys = Object.keys(this.symbols);
  8 |     var symbols = this.symbols;
  9 |     $.each(keys, function(index, key) {
 10 |        
 11 |         var symbol = symbols[key];
 12 |         symbol.stats = {
 13 |             visits : [],
 14 |             leafPct : 0,
 15 |         };
 16 | 
 17 |         // Flag if a leaf symbol
 18 |         var rules = symbol.getActiveRules();
 19 |      //   console.log(rules);
 20 | 
 21 |     });
 22 | };
 23 | 
 24 | tracery.Grammar.prototype.distributionVisualization = function(holder, settings) {
 25 |     // Create the visualization of usages
 26 |     // For each symbol in the grammar, count how many times it was used
 27 |     holder.html("");
 28 |     var keys = Object.keys(this.symbols);
 29 |     var unused = [];
 30 |     $.each(keys, function(index, key) {
 31 |         var s = app.grammar.symbols[key];
 32 |         if (s.uses.length > 0) {
 33 |             // Analyze use data
 34 |             var totalDepth = 0;
 35 |             for (var i = 0; i < s.uses.length; i++) {
 36 |                 totalDepth += s.uses[i].node.depth;
 37 |             }
 38 |             totalDepth /= s.uses.length;
 39 | 
 40 |             var div = $("<div/>", {
 41 |                 class : "tracery-usage-graph",
 42 |             }).appendTo(holder);
 43 | 
 44 |             var label = $("<div/>", {
 45 |                 class : "label",
 46 |                 text : key + ": " + s.uses.length + " d:" + totalDepth.toFixed(1)
 47 |             }).appendTo(div);
 48 | 
 49 |             var graph = $("<div/>", {
 50 |                 class : "bars",
 51 |             }).appendTo(div);
 52 | 
 53 |             /*
 54 |              $.each(s.uses, function(index, use) {
 55 |              var use = $("<div/>", {
 56 |              class : "use",
 57 |              html : use.node.raw + " " + use.node.depth,
 58 |              }).appendTo(graph);
 59 |              });
 60 |              */
 61 | 
 62 |             if (s.baseRules.defaultRules) {
 63 |                 var count = s.baseRules.defaultRules.length;
 64 |                 var max = 0;
 65 |                 $.each(s.baseRules.defaultRules, function(index, rule) {
 66 |                     if (s.baseRules.defaultUses[index])
 67 |                         max = Math.max(s.baseRules.defaultUses[index], max);
 68 |                 });
 69 |                 $.each(s.baseRules.defaultRules, function(index, rule) {
 70 | 
 71 |                     var useCount = 0;
 72 |                     var h = 1;
 73 |                     if (s.baseRules.defaultUses[index]) {
 74 |                         h = s.baseRules.defaultUses[index] / max * 100;
 75 |                         useCount = s.baseRules.defaultUses[index];
 76 |                     }
 77 |                     var bar = $("<div/>", {
 78 |                         class : "bar",
 79 |                     }).appendTo(graph).css({
 80 |                         width : h + "%",
 81 |                         top : ((index / count) * 100) + "%",
 82 |                         height : ((1 / count) * 100) + "%",
 83 | 
 84 |                     });
 85 | 
 86 |                     var label = $("<div/>", {
 87 |                         class : "bar-label",
 88 |                         text : useCount + " " + rule ,
 89 |                     }).appendTo(bar);
 90 | 
 91 |                 });
 92 |             }
 93 |         } else {
 94 |             unused.push(s);
 95 |         }
 96 |         // console.log(unused);
 97 |     });
 98 | 
 99 | };
100 | 
101 | tracery.Grammar.prototype.cascadeVisualization = function(holder, settings) {
102 |     var symbols = $("<div/>", {
103 |         class : "grammar-viz",
104 |     }).appendTo(holder);
105 | 
106 |     for (var key in this.symbols) {
107 |         var symbol = this.symbols[key];
108 | 
109 |         var symbolDiv = $("<div/>", {
110 |             class : "symbol",
111 |         }).appendTo(symbols);
112 | 
113 |         var header = $("<div/>", {
114 |             class : "header",
115 |             text : key
116 |         }).appendTo(symbolDiv);
117 | 
118 |         // Show all the rules
119 | 
120 |         var baseRuleHolder = $("<div/>", {
121 |             class : "rules",
122 | 
123 |         }).appendTo(symbolDiv);
124 | 
125 |         var rules = symbol.baseRules;
126 |         if (!rules) {
127 |             console.log(symbol);
128 |         }
129 | 
130 |         for (var i = 0; i < rules.length; i++) {
131 |             ruleToDiv(rules[i]).appendTo(baseRuleHolder);
132 |         }
133 |     }
134 | };
135 | 
136 | function ruleToDiv(rule) {
137 |     var sections = tracery.parse(rule);
138 | 
139 |     var div = $("<div/>", {
140 |         class : "rule",
141 | 
142 |     });
143 | 
144 |     for (var i = 0; i < sections.length; i++) {
145 |         var sectionDiv = $("<div/>", {
146 |             class : "section section" + sections[i].type,
147 |             text : sections[i].raw,
148 |         }).appendTo(div);
149 |     }
150 | 
151 |     return div;
152 | };
153 | 
154 | tracery.Grammar.prototype.referenceVisualization = function(holder, settings) {
155 | 
156 | };
157 | 
158 | tracery.TraceryNode.prototype.visualizeExpansion = function(holder, settings) {
159 | 
160 |     var div = $("<div/>", {
161 |         class : "tracery-node tracery-node" + this.type,
162 |     }).appendTo(holder);
163 | 
164 |     if (this === settings.active) {
165 |         div.addClass("active");
166 |     }
167 | 
168 |     if (this.grammar.symbols[this.symbol]) {
169 | 
170 |         if (this.grammar.symbols[this.symbol].isDynamic) {
171 |             div.addClass("dynamic");
172 |         }
173 |     } else {
174 |         div.addClass("missing");
175 | 
176 |     }
177 | 
178 |     var header = $("<div/>", {
179 |         class : "header",
180 |     }).appendTo(div);
181 | 
182 |     if (this.type === 1) {
183 |         header.text(this.symbol);
184 |     } else {
185 |         header.text(this.finishedText);
186 |     }
187 | 
188 |     if (this.preActions) {
189 |         $.each(this.preActions, function(index, action) {
190 |             var command = $("<div/>", {
191 |                 class : "action-command",
192 |                 text : action.target + ":" + action.rule
193 |             }).appendTo(div);
194 | 
195 |             var text = $("<div/>", {
196 |                 class : "action-text",
197 |                 text : action.ruleText
198 |             }).appendTo(div);
199 |         });
200 |     }
201 | 
202 |     if (this.children) {
203 |         var childHolder = $("<div/>", {
204 |             class : "children",
205 | 
206 |         }).appendTo(div);
207 | 
208 |         for (var i = 0; i < this.children.length; i++) {
209 |             this.children[i].visualizeExpansion(childHolder, settings);
210 |         }
211 |     }
212 | };
213 | 
214 | tracery.rawGrammarToPrettyHTML = function(raw) {
215 | 
216 |     // Escape any raw html
217 |     var s = "";
218 |     var keyOutputs = [];
219 |     for (var key in raw) {
220 |         if (raw.hasOwnProperty(key)) {
221 |             var rules = JSON.stringify(raw[key]);
222 |             rules = escapeHTML(rules);
223 |             keyOutputs.push("<b>\"" + key + "\":</b>" + rules);
224 |         }
225 |     }
226 |     return keyOutputs.join(",<br>");
227 | };
228 | 
229 | 


--------------------------------------------------------------------------------
/Trice Example/tracery/tracery.js:
--------------------------------------------------------------------------------
  1 | /**
  2 |  * @author Kate
  3 |  */
  4 | 
  5 | var tracery = function() {
  6 | 	var rng = Math.random;
  7 | 
  8 | 	var setRng = function setRng(newRng) {
  9 | 		rng = newRng;
 10 | 	};
 11 | 
 12 | 	var TraceryNode = function(parent, childIndex, settings) {
 13 | 		this.errors = [];
 14 | 
 15 | 		// No input? Add an error, but continue anyways
 16 | 		if (settings.raw === undefined) {
 17 | 			this.errors.push("Empty input for node");
 18 | 			settings.raw = "";
 19 | 		}
 20 | 
 21 | 		// If the root node of an expansion, it will have the grammar passed as the 'parent'
 22 | 		//  set the grammar from the 'parent', and set all other values for a root node
 23 | 		if ( parent instanceof tracery.Grammar) {
 24 | 			this.grammar = parent;
 25 | 			this.parent = null;
 26 | 			this.depth = 0;
 27 | 			this.childIndex = 0;
 28 | 		} else {
 29 | 			this.grammar = parent.grammar;
 30 | 			this.parent = parent;
 31 | 			this.depth = parent.depth + 1;
 32 | 			this.childIndex = childIndex;
 33 | 		}
 34 | 
 35 | 		this.raw = settings.raw;
 36 | 		this.type = settings.type;
 37 | 		this.isExpanded = false;
 38 | 
 39 | 		if (!this.grammar) {
 40 | 			console.warn("No grammar specified for this node", this);
 41 | 		}
 42 | 
 43 | 	};
 44 | 
 45 | 	TraceryNode.prototype.toString = function() {
 46 | 		return "Node('" + this.raw + "' " + this.type + " d:" + this.depth + ")";
 47 | 	};
 48 | 
 49 | 	// Expand the node (with the given child rule)
 50 | 	//  Make children if the node has any
 51 | 	TraceryNode.prototype.expandChildren = function(childRule, preventRecursion) {
 52 | 		this.children = [];
 53 | 		this.finishedText = "";
 54 | 
 55 | 		// Set the rule for making children,
 56 | 		// and expand it into section
 57 | 		this.childRule = childRule;
 58 | 		if (this.childRule !== undefined) {
 59 | 			var sections = tracery.parse(childRule);
 60 | 
 61 | 			// Add errors to this
 62 | 			if (sections.errors.length > 0) {
 63 | 				this.errors = this.errors.concat(sections.errors);
 64 | 
 65 | 			}
 66 | 
 67 | 			for (var i = 0; i < sections.length; i++) {
 68 | 				this.children[i] = new TraceryNode(this, i, sections[i]);
 69 | 				if (!preventRecursion)
 70 | 					this.children[i].expand(preventRecursion);
 71 | 
 72 | 				// Add in the finished text
 73 | 				this.finishedText += this.children[i].finishedText;
 74 | 			}
 75 | 		} else {
 76 | 			// In normal operation, this shouldn't ever happen
 77 | 			this.errors.push("No child rule provided, can't expand children");
 78 | 			console.warn("No child rule provided, can't expand children");
 79 | 		}
 80 | 	};
 81 | 
 82 | 	// Expand this rule (possibly creating children)
 83 | 	TraceryNode.prototype.expand = function(preventRecursion) {
 84 | 
 85 | 		if (!this.isExpanded) {
 86 | 			this.isExpanded = true;
 87 | 
 88 | 			this.expansionErrors = [];
 89 | 
 90 | 			// Types of nodes
 91 | 			// -1: raw, needs parsing
 92 | 			//  0: Plaintext
 93 | 			//  1: Tag ("#symbol.mod.mod2.mod3#" or "#[pushTarget:pushRule]symbol.mod")
 94 | 			//  2: Action ("[pushTarget:pushRule], [pushTarget:POP]", more in the future)
 95 | 
 96 | 			switch(this.type) {
 97 | 			// Raw rule
 98 | 			case -1:
 99 | 
100 | 				this.expandChildren(this.raw, preventRecursion);
101 | 				break;
102 | 
103 | 			// plaintext, do nothing but copy text into finsihed text
104 | 			case 0:
105 | 				this.finishedText = this.raw;
106 | 				break;
107 | 
108 | 			// Tag
109 | 			case 1:
110 | 				// Parse to find any actions, and figure out what the symbol is
111 | 				this.preactions = [];
112 | 				this.postactions = [];
113 | 
114 | 				var parsed = tracery.parseTag(this.raw);
115 | 
116 | 				// Break into symbol actions and modifiers
117 | 				this.symbol = parsed.symbol;
118 | 				this.modifiers = parsed.modifiers;
119 | 
120 | 				// Create all the preactions from the raw syntax
121 | 				for (var i = 0; i < parsed.preactions.length; i++) {
122 | 					this.preactions[i] = new NodeAction(this, parsed.preactions[i].raw);
123 | 				}
124 | 				for (var i = 0; i < parsed.postactions.length; i++) {
125 | 					//   this.postactions[i] = new NodeAction(this, parsed.postactions[i].raw);
126 | 				}
127 | 
128 | 				// Make undo actions for all preactions (pops for each push)
129 | 				for (var i = 0; i < this.preactions.length; i++) {
130 | 					if (this.preactions[i].type === 0)
131 | 						this.postactions.push(this.preactions[i].createUndo());
132 | 				}
133 | 
134 | 				// Activate all the preactions
135 | 				for (var i = 0; i < this.preactions.length; i++) {
136 | 					this.preactions[i].activate();
137 | 				}
138 | 
139 | 				this.finishedText = this.raw;
140 | 
141 | 				// Expand (passing the node, this allows tracking of recursion depth)
142 | 
143 | 				var selectedRule = this.grammar.selectRule(this.symbol, this, this.errors);
144 | 
145 | 				this.expandChildren(selectedRule, preventRecursion);
146 | 
147 | 				// Apply modifiers
148 | 				// TODO: Update parse function to not trigger on hashtags within parenthesis within tags,
149 | 				//   so that modifier parameters can contain tags "#story.replace(#protagonist#, #newCharacter#)#"
150 | 				for (var i = 0; i < this.modifiers.length; i++) {
151 | 					var modName = this.modifiers[i];
152 | 					var modParams = [];
153 | 					if (modName.indexOf("(") > 0) {
154 | 						var regExp = /\(([^)]+)\)/;
155 | 
156 | 						// Todo: ignore any escaped commas.  For now, commas always split
157 | 						var results = regExp.exec(this.modifiers[i]);
158 | 						if (!results || results.length < 2) {
159 | 						} else {
160 | 							var modParams = results[1].split(",");
161 | 							modName = this.modifiers[i].substring(0, modName.indexOf("("));
162 | 						}
163 | 
164 | 					}
165 | 
166 | 					var mod = this.grammar.modifiers[modName];
167 | 
168 | 					// Missing modifier?
169 | 					if (!mod) {
170 | 						this.errors.push("Missing modifier " + modName);
171 | 						this.finishedText += "((." + modName + "))";
172 | 					} else {
173 | 						this.finishedText = mod(this.finishedText, modParams);
174 | 
175 | 					}
176 | 
177 | 				}
178 | 
179 | 				// Perform post-actions
180 | 				for (var i = 0; i < this.postactions.length; i++) {
181 | 					this.postactions[i].activate();
182 | 				}
183 | 				break;
184 | 			case 2:
185 | 
186 | 				// Just a bare action?  Expand it!
187 | 				this.action = new NodeAction(this, this.raw);
188 | 				this.action.activate();
189 | 
190 | 				// No visible text for an action
191 | 				// TODO: some visible text for if there is a failure to perform the action?
192 | 				this.finishedText = "";
193 | 				break;
194 | 
195 | 			}
196 | 
197 | 		} else {
198 | 			//console.warn("Already expanded " + this);
199 | 		}
200 | 
201 | 	};
202 | 
203 | 	TraceryNode.prototype.clearEscapeChars = function() {
204 | 
205 | 		this.finishedText = this.finishedText.replace(/\\\\/g, "DOUBLEBACKSLASH").replace(/\\/g, "").replace(/DOUBLEBACKSLASH/g, "\\");
206 | 	};
207 | 
208 | 	// An action that occurs when a node is expanded
209 | 	// Types of actions:
210 | 	// 0 Push: [key:rule]
211 | 	// 1 Pop: [key:POP]
212 | 	// 2 function: [functionName(param0,param1)] (TODO!)
213 | 	function NodeAction(node, raw) {
214 | 		/*
215 | 		 if (!node)
216 | 		 console.warn("No node for NodeAction");
217 | 		 if (!raw)
218 | 		 console.warn("No raw commands for NodeAction");
219 | 		 */
220 | 
221 | 		this.node = node;
222 | 
223 | 		var sections = raw.split(":");
224 | 		this.target = sections[0];
225 | 
226 | 		// No colon? A function!
227 | 		if (sections.length === 1) {
228 | 			this.type = 2;
229 | 
230 | 		}
231 | 
232 | 		// Colon? It's either a push or a pop
233 | 		else {
234 | 			this.rule = sections[1];
235 | 			if (this.rule === "POP") {
236 | 				this.type = 1;
237 | 			} else {
238 | 				this.type = 0;
239 | 			}
240 | 		}
241 | 	}
242 | 
243 | 
244 | 	NodeAction.prototype.createUndo = function() {
245 | 		if (this.type === 0) {
246 | 			return new NodeAction(this.node, this.target + ":POP");
247 | 		}
248 | 		// TODO Not sure how to make Undo actions for functions or POPs
249 | 		return null;
250 | 	};
251 | 
252 | 	NodeAction.prototype.activate = function() {
253 | 		var grammar = this.node.grammar;
254 | 		switch(this.type) {
255 | 		case 0:
256 | 			// split into sections (the way to denote an array of rules)
257 | 			this.ruleSections = this.rule.split(",");
258 | 			this.finishedRules = [];
259 | 			this.ruleNodes = [];
260 | 			for (var i = 0; i < this.ruleSections.length; i++) {
261 | 				var n = new TraceryNode(grammar, 0, {
262 | 					type : -1,
263 | 					raw : this.ruleSections[i]
264 | 				});
265 | 
266 | 				n.expand();
267 | 
268 | 				this.finishedRules.push(n.finishedText);
269 | 			}
270 | 
271 | 			// TODO: escape commas properly
272 | 			grammar.pushRules(this.target, this.finishedRules, this);
273 | 			break;
274 | 		case 1:
275 | 			grammar.popRules(this.target);
276 | 			break;
277 | 		case 2:
278 | 			grammar.flatten(this.target, true);
279 | 			break;
280 | 		}
281 | 
282 | 	};
283 | 
284 | 	NodeAction.prototype.toText = function() {
285 | 		switch(this.type) {
286 | 		case 0:
287 | 			return this.target + ":" + this.rule;
288 | 		case 1:
289 | 			return this.target + ":POP";
290 | 		case 2:
291 | 			return "((some function))";
292 | 		default:
293 | 			return "((Unknown Action))";
294 | 		}
295 | 	};
296 | 
297 | 	// Sets of rules
298 | 	// Can also contain conditional or fallback sets of rulesets)
299 | 	function RuleSet(grammar, raw) {
300 | 		this.raw = raw;
301 | 		this.grammar = grammar;
302 | 		this.falloff = 1;
303 | 
304 | 		if (Array.isArray(raw)) {
305 | 			this.defaultRules = raw;
306 | 		} else if ( typeof raw === 'string' || raw instanceof String) {
307 | 			this.defaultRules = [raw];
308 | 		} else if (raw === 'object') {
309 | 			// TODO: support for conditional and hierarchical rule sets
310 | 		}
311 | 
312 | 	};
313 | 
314 | 	RuleSet.prototype.selectRule = function(errors) {
315 | 		// console.log("Get rule", this.raw);
316 | 		// Is there a conditional?
317 | 		if (this.conditionalRule) {
318 | 			var value = this.grammar.expand(this.conditionalRule, true);
319 | 			// does this value match any of the conditionals?
320 | 			if (this.conditionalValues[value]) {
321 | 				var v = this.conditionalValues[value].selectRule(errors);
322 | 				if (v !== null && v !== undefined)
323 | 					return v;
324 | 			}
325 | 			// No returned value?
326 | 		}
327 | 
328 | 		// Is there a ranked order?
329 | 		if (this.ranking) {
330 | 			for (var i = 0; i < this.ranking.length; i++) {
331 | 				var v = this.ranking.selectRule();
332 | 				if (v !== null && v !== undefined)
333 | 					return v;
334 | 			}
335 | 
336 | 			// Still no returned value?
337 | 		}
338 | 
339 | 		if (this.defaultRules !== undefined) {
340 | 			var index = 0;
341 | 			// Select from this basic array of rules
342 | 
343 | 			// Get the distribution from the grammar if there is no other
344 | 			var distribution = this.distribution;
345 | 			if (!distribution)
346 | 				distribution = this.grammar.distribution;
347 | 
348 | 			switch(distribution) {
349 | 			case "shuffle":
350 | 
351 | 				// create a shuffle desk
352 | 				if (!this.shuffledDeck || this.shuffledDeck.length === 0) {
353 | 					// make an array
354 | 					this.shuffledDeck = fyshuffle(Array.apply(null, {
355 | 						length : this.defaultRules.length
356 | 					}).map(Number.call, Number), this.falloff);
357 | 
358 | 				}
359 | 
360 | 				index = this.shuffledDeck.pop();
361 | 
362 | 				break;
363 | 			case "weighted":
364 | 				errors.push("Weighted distribution not yet implemented");
365 | 				break;
366 | 			case "falloff":
367 | 				errors.push("Falloff distribution not yet implemented");
368 | 				break;
369 | 			default:
370 | 
371 | 				index = Math.floor(Math.pow(rng(), this.falloff) * this.defaultRules.length);
372 | 				break;
373 | 			}
374 | 
375 | 			if (!this.defaultUses)
376 | 				this.defaultUses = [];
377 | 			this.defaultUses[index] = ++this.defaultUses[index] || 1;
378 | 			return this.defaultRules[index];
379 | 		}
380 | 
381 | 		errors.push("No default rules defined for " + this);
382 | 		return null;
383 | 
384 | 	};
385 | 
386 | 	RuleSet.prototype.clearState = function() {
387 | 
388 | 		if (this.defaultUses) {
389 | 			this.defaultUses = [];
390 | 		}
391 | 	};
392 | 
393 | 	function fyshuffle(array, falloff) {
394 | 		var currentIndex = array.length,
395 | 		    temporaryValue,
396 | 		    randomIndex;
397 | 
398 | 		// While there remain elements to shuffle...
399 | 		while (0 !== currentIndex) {
400 | 
401 | 			// Pick a remaining element...
402 | 			randomIndex = Math.floor(rng() * currentIndex);
403 | 			currentIndex -= 1;
404 | 
405 | 			// And swap it with the current element.
406 | 			temporaryValue = array[currentIndex];
407 | 			array[currentIndex] = array[randomIndex];
408 | 			array[randomIndex] = temporaryValue;
409 | 		}
410 | 
411 | 		return array;
412 | 	}
413 | 
414 | 	var Symbol = function(grammar, key, rawRules) {
415 | 		// Symbols can be made with a single value, and array, or array of objects of (conditions/values)
416 | 		this.key = key;
417 | 		this.grammar = grammar;
418 | 		this.rawRules = rawRules;
419 | 
420 | 		this.baseRules = new RuleSet(this.grammar, rawRules);
421 | 		this.clearState();
422 | 
423 | 	};
424 | 
425 | 	Symbol.prototype.clearState = function() {
426 | 
427 | 		// Clear the stack and clear all ruleset usages
428 | 		this.stack = [this.baseRules];
429 | 
430 | 		this.uses = [];
431 | 		this.baseRules.clearState();
432 | 	};
433 | 
434 | 	Symbol.prototype.pushRules = function(rawRules) {
435 | 		var rules = new RuleSet(this.grammar, rawRules);
436 | 		this.stack.push(rules);
437 | 	};
438 | 
439 | 	Symbol.prototype.popRules = function() {
440 | 		this.stack.pop();
441 | 	};
442 | 
443 | 	Symbol.prototype.selectRule = function(node, errors) {
444 | 		this.uses.push({
445 | 			node : node
446 | 		});
447 | 
448 | 		if (this.stack.length === 0) {
449 | 			errors.push("The rule stack for '" + this.key + "' is empty, too many pops?");
450 | 			return "((" + this.key + "))";
451 | 		}
452 | 
453 | 		return this.stack[this.stack.length - 1].selectRule();
454 | 	};
455 | 
456 | 	Symbol.prototype.getActiveRules = function() {
457 | 		if (this.stack.length === 0) {
458 | 			return null;
459 | 		}
460 | 		return this.stack[this.stack.length - 1].selectRule();
461 | 	};
462 | 
463 | 	Symbol.prototype.rulesToJSON = function() {
464 | 		return JSON.stringify(this.rawRules);
465 | 	};
466 | 
467 | 	var Grammar = function(raw, settings) {
468 | 		this.modifiers = {};
469 | 		this.loadFromRawObj(raw);
470 | 	};
471 | 
472 | 	Grammar.prototype.clearState = function() {
473 | 		var keys = Object.keys(this.symbols);
474 | 		for (var i = 0; i < keys.length; i++) {
475 | 			this.symbols[keys[i]].clearState();
476 | 		}
477 | 	};
478 | 
479 | 	Grammar.prototype.addModifiers = function(mods) {
480 | 
481 | 		// copy over the base modifiers
482 | 		for (var key in mods) {
483 | 			if (mods.hasOwnProperty(key)) {
484 | 				this.modifiers[key] = mods[key];
485 | 			}
486 | 		};
487 | 
488 | 	};
489 | 
490 | 	Grammar.prototype.loadFromRawObj = function(raw) {
491 | 
492 | 		this.raw = raw;
493 | 		this.symbols = {};
494 | 		this.subgrammars = [];
495 | 
496 | 		if (this.raw) {
497 | 			// Add all rules to the grammar
498 | 			for (var key in this.raw) {
499 | 				if (this.raw.hasOwnProperty(key)) {
500 | 					this.symbols[key] = new Symbol(this, key, this.raw[key]);
501 | 				}
502 | 			}
503 | 		}
504 | 	};
505 | 
506 | 	Grammar.prototype.createRoot = function(rule) {
507 | 		// Create a node and subnodes
508 | 		var root = new TraceryNode(this, 0, {
509 | 			type : -1,
510 | 			raw : rule,
511 | 		});
512 | 
513 | 		return root;
514 | 	};
515 | 
516 | 	Grammar.prototype.expand = function(rule, allowEscapeChars) {
517 | 		var root = this.createRoot(rule);
518 | 		root.expand();
519 | 		if (!allowEscapeChars)
520 | 			root.clearEscapeChars();
521 | 
522 | 		return root;
523 | 	};
524 | 
525 | 	Grammar.prototype.flatten = function(rule, allowEscapeChars) {
526 | 		var root = this.expand(rule, allowEscapeChars);
527 | 
528 | 		return root.finishedText;
529 | 	};
530 | 
531 | 	Grammar.prototype.toJSON = function() {
532 | 		var keys = Object.keys(this.symbols);
533 | 		var symbolJSON = [];
534 | 		for (var i = 0; i < keys.length; i++) {
535 | 			var key = keys[i];
536 | 			symbolJSON.push(' "' + key + '" : ' + this.symbols[key].rulesToJSON());
537 | 		}
538 | 		return "{\n" + symbolJSON.join(",\n") + "\n}";
539 | 	};
540 | 
541 | 	// Create or push rules
542 | 	Grammar.prototype.pushRules = function(key, rawRules, sourceAction) {
543 | 
544 | 		if (this.symbols[key] === undefined) {
545 | 			this.symbols[key] = new Symbol(this, key, rawRules);
546 | 			if (sourceAction)
547 | 				this.symbols[key].isDynamic = true;
548 | 		} else {
549 | 			this.symbols[key].pushRules(rawRules);
550 | 		}
551 | 	};
552 | 
553 | 	Grammar.prototype.popRules = function(key) {
554 | 		if (!this.symbols[key])
555 | 			this.errors.push("Can't pop: no symbol for key " + key);
556 | 		this.symbols[key].popRules();
557 | 	};
558 | 
559 | 	Grammar.prototype.selectRule = function(key, node, errors) {
560 | 		if (this.symbols[key]) {
561 | 			var rule = this.symbols[key].selectRule(node, errors);
562 | 
563 | 			return rule;
564 | 		}
565 | 
566 | 		// Failover to alternative subgrammars
567 | 		for (var i = 0; i < this.subgrammars.length; i++) {
568 | 
569 | 			if (this.subgrammars[i].symbols[key])
570 | 				return this.subgrammars[i].symbols[key].selectRule();
571 | 		}
572 | 
573 | 		// No symbol?
574 | 		errors.push("No symbol for '" + key + "'");
575 | 		return "((" + key + "))";
576 | 	};
577 | 
578 | 	// Parses a plaintext rule in the tracery syntax
579 | 	tracery = {
580 | 
581 | 		createGrammar : function(raw) {
582 | 			return new Grammar(raw);
583 | 		},
584 | 
585 | 		// Parse the contents of a tag
586 | 		parseTag : function(tagContents) {
587 | 
588 | 			var parsed = {
589 | 				symbol : undefined,
590 | 				preactions : [],
591 | 				postactions : [],
592 | 				modifiers : []
593 | 			};
594 | 			var sections = tracery.parse(tagContents);
595 | 			var symbolSection = undefined;
596 | 			for (var i = 0; i < sections.length; i++) {
597 | 				if (sections[i].type === 0) {
598 | 					if (symbolSection === undefined) {
599 | 						symbolSection = sections[i].raw;
600 | 					} else {
601 | 						throw ("multiple main sections in " + tagContents);
602 | 					}
603 | 				} else {
604 | 					parsed.preactions.push(sections[i]);
605 | 				}
606 | 			}
607 | 
608 | 			if (symbolSection === undefined) {
609 | 				//   throw ("no main section in " + tagContents);
610 | 			} else {
611 | 				var components = symbolSection.split(".");
612 | 				parsed.symbol = components[0];
613 | 				parsed.modifiers = components.slice(1);
614 | 			}
615 | 			return parsed;
616 | 		},
617 | 
618 | 		parse : function(rule) {
619 | 			var depth = 0;
620 | 			var inTag = false;
621 | 			var sections = [];
622 | 			var escaped = false;
623 | 
624 | 			var errors = [];
625 | 			var start = 0;
626 | 
627 | 			var escapedSubstring = "";
628 | 			var lastEscapedChar = undefined;
629 | 
630 | 			if (rule === null) {
631 | 				var sections = [];
632 | 				sections.errors = errors;
633 | 
634 | 				return sections;
635 | 			}
636 | 
637 | 			function createSection(start, end, type) {
638 | 				if (end - start < 1) {
639 | 					if (type === 1)
640 | 						errors.push(start + ": empty tag");
641 | 					if (type === 2)
642 | 						errors.push(start + ": empty action");
643 | 
644 | 				}
645 | 				var rawSubstring;
646 | 				if (lastEscapedChar !== undefined) {
647 | 					rawSubstring = escapedSubstring + "\\" + rule.substring(lastEscapedChar + 1, end);
648 | 
649 | 				} else {
650 | 					rawSubstring = rule.substring(start, end);
651 | 				}
652 | 				sections.push({
653 | 					type : type,
654 | 					raw : rawSubstring
655 | 				});
656 | 				lastEscapedChar = undefined;
657 | 				escapedSubstring = "";
658 | 			};
659 | 
660 | 			for (var i = 0; i < rule.length; i++) {
661 | 
662 | 				if (!escaped) {
663 | 					var c = rule.charAt(i);
664 | 
665 | 					switch(c) {
666 | 
667 | 					// Enter a deeper bracketed section
668 | 					case '[':
669 | 						if (depth === 0 && !inTag) {
670 | 							if (start < i)
671 | 								createSection(start, i, 0);
672 | 							start = i + 1;
673 | 						}
674 | 						depth++;
675 | 						break;
676 | 
677 | 					case ']':
678 | 						depth--;
679 | 
680 | 						// End a bracketed section
681 | 						if (depth === 0 && !inTag) {
682 | 							createSection(start, i, 2);
683 | 							start = i + 1;
684 | 						}
685 | 						break;
686 | 
687 | 					// Hashtag
688 | 					//   ignore if not at depth 0, that means we are in a bracket
689 | 					case '#':
690 | 						if (depth === 0) {
691 | 							if (inTag) {
692 | 								createSection(start, i, 1);
693 | 								start = i + 1;
694 | 							} else {
695 | 								if (start < i)
696 | 									createSection(start, i, 0);
697 | 								start = i + 1;
698 | 							}
699 | 							inTag = !inTag;
700 | 						}
701 | 						break;
702 | 
703 | 					case '\\':
704 | 						escaped = true;
705 | 						escapedSubstring = escapedSubstring + rule.substring(start, i);
706 | 						start = i + 1;
707 | 						lastEscapedChar = i;
708 | 						break;
709 | 					}
710 | 				} else {
711 | 					escaped = false;
712 | 				}
713 | 			}
714 | 			if (start < rule.length)
715 | 				createSection(start, rule.length, 0);
716 | 
717 | 			if (inTag) {
718 | 				errors.push("Unclosed tag");
719 | 			}
720 | 			if (depth > 0) {
721 | 				errors.push("Too many [");
722 | 			}
723 | 			if (depth < 0) {
724 | 				errors.push("Too many ]");
725 | 			}
726 | 
727 | 			// Strip out empty plaintext sections
728 | 
729 | 			sections = sections.filter(function(section) {
730 | 				if (section.type === 0 && section.raw.length === 0)
731 | 					return false;
732 | 				return true;
733 | 			});
734 | 			sections.errors = errors;
735 | 			return sections;
736 | 		},
737 | 	};
738 | 
739 | 	// Externalize
740 | 	tracery.TraceryNode = TraceryNode;
741 | 
742 | 	tracery.Grammar = Grammar;
743 | 	tracery.Symbol = Symbol;
744 | 	tracery.RuleSet = RuleSet;
745 | 
746 | 	tracery.setRng = setRng;
747 | 
748 | 	return tracery;
749 | }();
750 | 
751 | //module.exports = tracery; 


--------------------------------------------------------------------------------
/Trice Example/tracery/vendor/jquery.min.js:
--------------------------------------------------------------------------------
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5 | //# sourceMappingURL=jquery.min.map


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/Trice Example/tracery/vendor/seedrandom.js:
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  1 | /**
  2 | 
  3 | seedrandom.js
  4 | =============
  5 | 
  6 | Seeded random number generator for Javascript.
  7 | 
  8 | version 2.3.11
  9 | Author: David Bau
 10 | Date: 2014 Dec 11
 11 | 
 12 | Can be used as a plain script, a node.js module or an AMD module.
 13 | 
 14 | Script tag usage
 15 | ----------------
 16 | 
 17 | <script src=//cdnjs.cloudflare.com/ajax/libs/seedrandom/2.3.11/seedrandom.min.js>
 18 | </script>
 19 | 
 20 | // Sets Math.random to a PRNG initialized using the given explicit seed.
 21 | Math.seedrandom('hello.');
 22 | console.log(Math.random());          // Always 0.9282578795792454
 23 | console.log(Math.random());          // Always 0.3752569768646784
 24 | 
 25 | // Sets Math.random to an ARC4-based PRNG that is autoseeded using the
 26 | // current time, dom state, and other accumulated local entropy.
 27 | // The generated seed string is returned.
 28 | Math.seedrandom();
 29 | console.log(Math.random());          // Reasonably unpredictable.
 30 | 
 31 | // Seeds using the given explicit seed mixed with accumulated entropy.
 32 | Math.seedrandom('added entropy.', { entropy: true });
 33 | console.log(Math.random());          // As unpredictable as added entropy.
 34 | 
 35 | // Use "new" to create a local prng without altering Math.random.
 36 | var myrng = new Math.seedrandom('hello.');
 37 | console.log(myrng());                // Always 0.9282578795792454
 38 | 
 39 | 
 40 | Node.js usage
 41 | -------------
 42 | 
 43 | npm install seedrandom
 44 | 
 45 | // Local PRNG: does not affect Math.random.
 46 | var seedrandom = require('seedrandom');
 47 | var rng = seedrandom('hello.');
 48 | console.log(rng());                  // Always 0.9282578795792454
 49 | 
 50 | // Autoseeded ARC4-based PRNG.
 51 | rng = seedrandom();
 52 | console.log(rng());                  // Reasonably unpredictable.
 53 | 
 54 | // Global PRNG: set Math.random.
 55 | seedrandom('hello.', { global: true });
 56 | console.log(Math.random());          // Always 0.9282578795792454
 57 | 
 58 | // Mixing accumulated entropy.
 59 | rng = seedrandom('added entropy.', { entropy: true });
 60 | console.log(rng());                  // As unpredictable as added entropy.
 61 | 
 62 | 
 63 | Require.js usage
 64 | ----------------
 65 | 
 66 | Similar to node.js usage:
 67 | 
 68 | bower install seedrandom
 69 | 
 70 | require(['seedrandom'], function(seedrandom) {
 71 |   var rng = seedrandom('hello.');
 72 |   console.log(rng());                  // Always 0.9282578795792454
 73 | });
 74 | 
 75 | 
 76 | Network seeding
 77 | ---------------
 78 | 
 79 | <script src=//cdnjs.cloudflare.com/ajax/libs/seedrandom/2.3.11/seedrandom.min.js>
 80 | </script>
 81 | 
 82 | <!-- Seeds using urandom bits from a server. -->
 83 | <script src=//jsonlib.appspot.com/urandom?callback=Math.seedrandom">
 84 | </script>
 85 | 
 86 | <!-- Seeds mixing in random.org bits -->
 87 | <script>
 88 | (function(x, u, s){
 89 |   try {
 90 |     // Make a synchronous request to random.org.
 91 |     x.open('GET', u, false);
 92 |     x.send();
 93 |     s = unescape(x.response.trim().replace(/^|\s/g, '%'));
 94 |   } finally {
 95 |     // Seed with the response, or autoseed on failure.
 96 |     Math.seedrandom(s, !!s);
 97 |   }
 98 | })(new XMLHttpRequest, 'https://www.random.org/integers/' +
 99 |   '?num=256&min=0&max=255&col=1&base=16&format=plain&rnd=new');
100 | </script>
101 | 
102 | Reseeding using user input
103 | --------------------------
104 | 
105 | var seed = Math.seedrandom();        // Use prng with an automatic seed.
106 | document.write(Math.random());       // Pretty much unpredictable x.
107 | 
108 | var rng = new Math.seedrandom(seed); // A new prng with the same seed.
109 | document.write(rng());               // Repeat the 'unpredictable' x.
110 | 
111 | function reseed(event, count) {      // Define a custom entropy collector.
112 |   var t = [];
113 |   function w(e) {
114 |     t.push([e.pageX, e.pageY, +new Date]);
115 |     if (t.length &lt; count) { return; }
116 |     document.removeEventListener(event, w);
117 |     Math.seedrandom(t, { entropy: true });
118 |   }
119 |   document.addEventListener(event, w);
120 | }
121 | reseed('mousemove', 100);            // Reseed after 100 mouse moves.
122 | 
123 | The "pass" option can be used to get both the prng and the seed.
124 | The following returns both an autoseeded prng and the seed as an object,
125 | without mutating Math.random:
126 | 
127 | var obj = Math.seedrandom(null, { pass: function(prng, seed) {
128 |   return { random: prng, seed: seed };
129 | }});
130 | 
131 | 
132 | Saving and Restoring PRNG state
133 | -------------------------------
134 | 
135 | var seedrandom = Math.seedrandom;
136 | var saveable = seedrandom("secret-seed", {state: true});
137 | for (var j = 0; j < 1e5; ++j) saveable();
138 | var saved = saveable.state();
139 | var replica = seedrandom("", {state: saved});
140 | assert(replica() == saveable());
141 | 
142 | In normal use the prng is opaque and its internal state cannot be accessed.
143 | However, if the "state" option is specified, the prng gets a state() method
144 | that returns a plain object the can be used to reconstruct a prng later in
145 | the same state (by passing that saved object back as the state option).
146 | 
147 | 
148 | Version notes
149 | -------------
150 | 
151 | The random number sequence is the same as version 1.0 for string seeds.
152 | * Version 2.0 changed the sequence for non-string seeds.
153 | * Version 2.1 speeds seeding and uses window.crypto to autoseed if present.
154 | * Version 2.2 alters non-crypto autoseeding to sweep up entropy from plugins.
155 | * Version 2.3 adds support for "new", module loading, and a null seed arg.
156 | * Version 2.3.1 adds a build environment, module packaging, and tests.
157 | * Version 2.3.4 fixes bugs on IE8, and switches to MIT license.
158 | * Version 2.3.6 adds a readable options object argument.
159 | * Version 2.3.10 adds support for node.js crypto (contributed by ctd1500).
160 | * Version 2.3.11 adds an option to load and save internal state.
161 | 
162 | The standard ARC4 key scheduler cycles short keys, which means that
163 | seedrandom('ab') is equivalent to seedrandom('abab') and 'ababab'.
164 | Therefore it is a good idea to add a terminator to avoid trivial
165 | equivalences on short string seeds, e.g., Math.seedrandom(str + '\0').
166 | Starting with version 2.0, a terminator is added automatically for
167 | non-string seeds, so seeding with the number 111 is the same as seeding
168 | with '111\0'.
169 | 
170 | When seedrandom() is called with zero args or a null seed, it uses a
171 | seed drawn from the browser crypto object if present.  If there is no
172 | crypto support, seedrandom() uses the current time, the native rng,
173 | and a walk of several DOM objects to collect a few bits of entropy.
174 | 
175 | Each time the one- or two-argument forms of seedrandom are called,
176 | entropy from the passed seed is accumulated in a pool to help generate
177 | future seeds for the zero- and two-argument forms of seedrandom.
178 | 
179 | On speed - This javascript implementation of Math.random() is several
180 | times slower than the built-in Math.random() because it is not native
181 | code, but that is typically fast enough.  Some details (timings on
182 | Chrome 25 on a 2010 vintage macbook):
183 | 
184 | * seeded Math.random()          - avg less than 0.0002 milliseconds per call
185 | * seedrandom('explicit.')       - avg less than 0.2 milliseconds per call
186 | * seedrandom('explicit.', true) - avg less than 0.2 milliseconds per call
187 | * seedrandom() with crypto      - avg less than 0.2 milliseconds per call
188 | 
189 | Autoseeding without crypto is somewhat slower, about 20-30 milliseconds on
190 | a 2012 windows 7 1.5ghz i5 laptop, as seen on Firefox 19, IE 10, and Opera.
191 | Seeded rng calls themselves are fast across these browsers, with slowest
192 | numbers on Opera at about 0.0005 ms per seeded Math.random().
193 | 
194 | 
195 | LICENSE (MIT)
196 | -------------
197 | 
198 | Copyright 2014 David Bau.
199 | 
200 | Permission is hereby granted, free of charge, to any person obtaining
201 | a copy of this software and associated documentation files (the
202 | "Software"), to deal in the Software without restriction, including
203 | without limitation the rights to use, copy, modify, merge, publish,
204 | distribute, sublicense, and/or sell copies of the Software, and to
205 | permit persons to whom the Software is furnished to do so, subject to
206 | the following conditions:
207 | 
208 | The above copyright notice and this permission notice shall be
209 | included in all copies or substantial portions of the Software.
210 | 
211 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
212 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
213 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
214 | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
215 | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
216 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
217 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
218 | 
219 | */
220 | 
221 | /**
222 |  * All code is in an anonymous closure to keep the global namespace clean.
223 |  */
224 | (function (
225 |     global, pool, math, width, chunks, digits, module, define, rngname) {
226 | 
227 | //
228 | // The following constants are related to IEEE 754 limits.
229 | //
230 | var startdenom = math.pow(width, chunks),
231 |     significance = math.pow(2, digits),
232 |     overflow = significance * 2,
233 |     mask = width - 1,
234 |     nodecrypto;
235 | 
236 | //
237 | // seedrandom()
238 | // This is the seedrandom function described above.
239 | //
240 | var impl = math['seed' + rngname] = function(seed, options, callback) {
241 |   var key = [];
242 |   options = (options == true) ? { entropy: true } : (options || {});
243 | 
244 |   // Flatten the seed string or build one from local entropy if needed.
245 |   var shortseed = mixkey(flatten(
246 |     options.entropy ? [seed, tostring(pool)] :
247 |     (seed == null) ? autoseed() : seed, 3), key);
248 | 
249 |   // Use the seed to initialize an ARC4 generator.
250 |   var arc4 = new ARC4(key);
251 | 
252 |   // Mix the randomness into accumulated entropy.
253 |   mixkey(tostring(arc4.S), pool);
254 | 
255 |   // Calling convention: what to return as a function of prng, seed, is_math.
256 |   return (options.pass || callback ||
257 |       function(prng, seed, is_math_call, state) {
258 |         if (state) {
259 |           // Load the arc4 state from the given state if it has an S array.
260 |           if (state.S) { copy(state, arc4); }
261 |           // Only provide the .state method if requested via options.state.
262 |           prng.state = function() { return copy(arc4, {}); }
263 |         }
264 | 
265 |         // If called as a method of Math (Math.seedrandom()), mutate
266 |         // Math.random because that is how seedrandom.js has worked since v1.0.
267 |         if (is_math_call) { math[rngname] = prng; return seed; }
268 | 
269 |         // Otherwise, it is a newer calling convention, so return the
270 |         // prng directly.
271 |         else return prng;
272 |       })(
273 | 
274 |   // This function returns a random double in [0, 1) that contains
275 |   // randomness in every bit of the mantissa of the IEEE 754 value.
276 |   function() {
277 |     var n = arc4.g(chunks),             // Start with a numerator n < 2 ^ 48
278 |         d = startdenom,                 //   and denominator d = 2 ^ 48.
279 |         x = 0;                          //   and no 'extra last byte'.
280 |     while (n < significance) {          // Fill up all significant digits by
281 |       n = (n + x) * width;              //   shifting numerator and
282 |       d *= width;                       //   denominator and generating a
283 |       x = arc4.g(1);                    //   new least-significant-byte.
284 |     }
285 |     while (n >= overflow) {             // To avoid rounding up, before adding
286 |       n /= 2;                           //   last byte, shift everything
287 |       d /= 2;                           //   right using integer math until
288 |       x >>>= 1;                         //   we have exactly the desired bits.
289 |     }
290 |     return (n + x) / d;                 // Form the number within [0, 1).
291 |   },
292 |   shortseed,
293 |   'global' in options ? options.global : (this == math),
294 |   options.state);
295 | };
296 | 
297 | //
298 | // ARC4
299 | //
300 | // An ARC4 implementation.  The constructor takes a key in the form of
301 | // an array of at most (width) integers that should be 0 <= x < (width).
302 | //
303 | // The g(count) method returns a pseudorandom integer that concatenates
304 | // the next (count) outputs from ARC4.  Its return value is a number x
305 | // that is in the range 0 <= x < (width ^ count).
306 | //
307 | /** @constructor */
308 | function ARC4(key) {
309 |   var t, keylen = key.length,
310 |       me = this, i = 0, j = me.i = me.j = 0, s = me.S = [];
311 | 
312 |   // The empty key [] is treated as [0].
313 |   if (!keylen) { key = [keylen++]; }
314 | 
315 |   // Set up S using the standard key scheduling algorithm.
316 |   while (i < width) {
317 |     s[i] = i++;
318 |   }
319 |   for (i = 0; i < width; i++) {
320 |     s[i] = s[j = mask & (j + key[i % keylen] + (t = s[i]))];
321 |     s[j] = t;
322 |   }
323 | 
324 |   // The "g" method returns the next (count) outputs as one number.
325 |   (me.g = function(count) {
326 |     // Using instance members instead of closure state nearly doubles speed.
327 |     var t, r = 0,
328 |         i = me.i, j = me.j, s = me.S;
329 |     while (count--) {
330 |       t = s[i = mask & (i + 1)];
331 |       r = r * width + s[mask & ((s[i] = s[j = mask & (j + t)]) + (s[j] = t))];
332 |     }
333 |     me.i = i; me.j = j;
334 |     return r;
335 |     // For robust unpredictability, the function call below automatically
336 |     // discards an initial batch of values.  This is called RC4-drop[256].
337 |     // See http://google.com/search?q=rsa+fluhrer+response&btnI
338 |   })(width);
339 | }
340 | 
341 | //
342 | // copy()
343 | // Copies internal state of ARC4 to or from a plain object.
344 | //
345 | function copy(f, t) {
346 |   t.i = f.i;
347 |   t.j = f.j;
348 |   t.S = f.S.slice();
349 |   return t;
350 | };
351 | 
352 | //
353 | // flatten()
354 | // Converts an object tree to nested arrays of strings.
355 | //
356 | function flatten(obj, depth) {
357 |   var result = [], typ = (typeof obj), prop;
358 |   if (depth && typ == 'object') {
359 |     for (prop in obj) {
360 |       try { result.push(flatten(obj[prop], depth - 1)); } catch (e) {}
361 |     }
362 |   }
363 |   return (result.length ? result : typ == 'string' ? obj : obj + '\0');
364 | }
365 | 
366 | //
367 | // mixkey()
368 | // Mixes a string seed into a key that is an array of integers, and
369 | // returns a shortened string seed that is equivalent to the result key.
370 | //
371 | function mixkey(seed, key) {
372 |   var stringseed = seed + '', smear, j = 0;
373 |   while (j < stringseed.length) {
374 |     key[mask & j] =
375 |       mask & ((smear ^= key[mask & j] * 19) + stringseed.charCodeAt(j++));
376 |   }
377 |   return tostring(key);
378 | }
379 | 
380 | //
381 | // autoseed()
382 | // Returns an object for autoseeding, using window.crypto if available.
383 | //
384 | /** @param {Uint8Array|Navigator=} seed */
385 | function autoseed(seed) {
386 |   try {
387 |     if (nodecrypto) return tostring(nodecrypto.randomBytes(width));
388 |     global.crypto.getRandomValues(seed = new Uint8Array(width));
389 |     return tostring(seed);
390 |   } catch (e) {
391 |     return [+new Date, global, (seed = global.navigator) && seed.plugins,
392 |       global.screen, tostring(pool)];
393 |   }
394 | }
395 | 
396 | //
397 | // tostring()
398 | // Converts an array of charcodes to a string
399 | //
400 | function tostring(a) {
401 |   return String.fromCharCode.apply(0, a);
402 | }
403 | 
404 | //
405 | // When seedrandom.js is loaded, we immediately mix a few bits
406 | // from the built-in RNG into the entropy pool.  Because we do
407 | // not want to interfere with deterministic PRNG state later,
408 | // seedrandom will not call math.random on its own again after
409 | // initialization.
410 | //
411 | mixkey(math[rngname](), pool);
412 | 
413 | //
414 | // Nodejs and AMD support: export the implementation as a module using
415 | // either convention.
416 | //
417 | if (module && module.exports) {
418 |   module.exports = impl;
419 |   try {
420 |     // When in node.js, try using crypto package for autoseeding.
421 |     nodecrypto = require('crypto');
422 |   } catch (ex) {}
423 | } else if (define && define.amd) {
424 |   define(function() { return impl; });
425 | }
426 | 
427 | //
428 | // Node.js native crypto support.
429 | //
430 | 
431 | // End anonymous scope, and pass initial values.
432 | })(
433 |   this,   // global window object
434 |   [],     // pool: entropy pool starts empty
435 |   Math,   // math: package containing random, pow, and seedrandom
436 |   256,    // width: each RC4 output is 0 <= x < 256
437 |   6,      // chunks: at least six RC4 outputs for each double
438 |   52,     // digits: there are 52 significant digits in a double
439 |   (typeof module) == 'object' && module,    // present in node.js
440 |   (typeof define) == 'function' && define,  // present with an AMD loader
441 |   'random'// rngname: name for Math.random and Math.seedrandom
442 | );
443 | 


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