mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-19 14:16:17 +00:00
355 lines
9.2 KiB
JavaScript
355 lines
9.2 KiB
JavaScript
/*\
|
|
title: js/WikiTextParseTree.js
|
|
|
|
A container for the parse tree generated by parsing wikitext
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true */
|
|
"use strict";
|
|
|
|
var ArgParser = require("./ArgParser.js").ArgParser,
|
|
utils = require("./Utils.js");
|
|
|
|
// Intialise the parse tree object
|
|
var WikiTextParseTree = function(tree,dependencies,store) {
|
|
this.tree = tree;
|
|
this.dependencies = dependencies; // An array of tiddler names, or null if this tiddler depends on too many to track
|
|
this.store = store;
|
|
};
|
|
|
|
// Compile the parse tree into a JavaScript function that returns the required
|
|
// representation of the tree
|
|
WikiTextParseTree.prototype.compile = function(type,treenode) {
|
|
treenode = treenode || this.tree;
|
|
var output = [];
|
|
if(type === "text/html") {
|
|
this.compileSubTreeHtml(output,treenode);
|
|
} else if(type === "text/plain") {
|
|
this.compileSubTreePlain(output,treenode);
|
|
} else {
|
|
return null;
|
|
}
|
|
// And then wrap the javascript tree and render it back into JavaScript code
|
|
var parseTree = this.store.jsParser.createTree(
|
|
[
|
|
{
|
|
type: "Function",
|
|
name: null,
|
|
params: ["tiddler","store","utils"], // These are the parameters passed to the tiddler function; must match the invocation in WikiStore.renderTiddler()
|
|
elements: [
|
|
{
|
|
type: "ReturnStatement",
|
|
value: {
|
|
type: "FunctionCall",
|
|
name: {
|
|
type: "PropertyAccess",
|
|
base: {
|
|
type: "ArrayLiteral",
|
|
elements: output
|
|
},
|
|
name: "join"
|
|
},
|
|
"arguments": [ {
|
|
type: "StringLiteral",
|
|
value: ""
|
|
}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
}
|
|
]);
|
|
var r = parseTree.render();
|
|
return r;
|
|
};
|
|
|
|
WikiTextParseTree.prototype.pushString = function(output,s) {
|
|
var last = output[output.length-1];
|
|
if(output.length > 0 && last.type === "StringLiterals") {
|
|
last.value.push(s);
|
|
} else if (output.length > 0 && last.type === "StringLiteral") {
|
|
last.type = "StringLiterals";
|
|
last.value = [last.value,s];
|
|
} else {
|
|
output.push({type: "StringLiteral", value: s});
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileMacroCall = function(output,type,node) {
|
|
var name = node.name,
|
|
params = node.params,
|
|
macro = this.store.macros[name],
|
|
p,
|
|
n;
|
|
if(!macro) {
|
|
this.pushString(output,"{{** Unknown macro '" + name + "' **}}");
|
|
return;
|
|
}
|
|
if(macro.types.indexOf(type) === -1) {
|
|
this.pushString(output,"{{** Macro '" + name + "' cannot render to MIME type '" + type + "'**}}");
|
|
return;
|
|
}
|
|
var macroCall = {
|
|
type: "FunctionCall",
|
|
name: {
|
|
base: {
|
|
base: {
|
|
base: {
|
|
name: "store",
|
|
type: "Variable"},
|
|
name: "macros",
|
|
type: "PropertyAccess"},
|
|
name: {
|
|
type: "StringLiteral",
|
|
value: name},
|
|
type: "PropertyAccess"},
|
|
name: "handler",
|
|
type: "PropertyAccess"},
|
|
"arguments": [ {
|
|
type: "StringLiteral",
|
|
value: type
|
|
},{
|
|
type: "Variable",
|
|
name: "tiddler"
|
|
},{
|
|
type: "Variable",
|
|
name: "store"
|
|
},{
|
|
type: "ObjectLiteral",
|
|
properties: []
|
|
}]
|
|
};
|
|
for(p in params) {
|
|
if(params[p].type === "string") {
|
|
n = {type: "StringLiteral", value: params[p].value};
|
|
} else {
|
|
n = this.store.jsParser.parse(params[p].value).tree.elements[0];
|
|
}
|
|
macroCall["arguments"][3].properties.push({
|
|
type: "PropertyAssignment",
|
|
name: p,
|
|
value: n
|
|
});
|
|
}
|
|
if(node.children) {
|
|
var subOutput = [];
|
|
this.compileSubTreeHtml(subOutput,node.children);
|
|
macroCall["arguments"].push({
|
|
type: "FunctionCall",
|
|
name: {
|
|
type: "PropertyAccess",
|
|
base: {
|
|
type: "ArrayLiteral",
|
|
elements: subOutput
|
|
},
|
|
name: "join"
|
|
},
|
|
"arguments": [ {
|
|
type: "StringLiteral",
|
|
value: ""
|
|
}]
|
|
});
|
|
}
|
|
var wrapperTag = macro.wrapperTag || "div";
|
|
if(type === "text/html") {
|
|
this.pushString(output,utils.stitchElement(wrapperTag,{
|
|
"data-tw-macro": name
|
|
}));
|
|
}
|
|
output.push(macroCall);
|
|
if(type === "text/html") {
|
|
this.pushString(output,"</" + wrapperTag + ">");
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileElementHtml = function(output,element,options) {
|
|
options = options || {};
|
|
var tagBits = [element.type];
|
|
if(element.attributes) {
|
|
for(var a in element.attributes) {
|
|
var r = element.attributes[a];
|
|
if(a === "style") {
|
|
var s = [];
|
|
for(var t in r) {
|
|
s.push(t + ":" + r[t] + ";");
|
|
}
|
|
r = s.join("");
|
|
}
|
|
tagBits.push(a + "=\"" + utils.htmlEncode(r) + "\"");
|
|
}
|
|
}
|
|
this.pushString(output,"<" + tagBits.join(" ") + (options.selfClosing ? " /" : "") + ">");
|
|
if(!options.selfClosing) {
|
|
if(element.children) {
|
|
this.compileSubTreeHtml(output,element.children);
|
|
}
|
|
this.pushString(output,"</" + element.type + ">");
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileSubTreeHtml = function(output,tree) {
|
|
for(var t=0; t<tree.length; t++) {
|
|
switch(tree[t].type) {
|
|
case "text":
|
|
this.pushString(output,utils.htmlEncode(tree[t].value));
|
|
break;
|
|
case "entity":
|
|
this.pushString(output,tree[t].value);
|
|
break;
|
|
case "br":
|
|
case "img":
|
|
this.compileElementHtml(output,tree[t],{selfClosing: true}); // Self closing elements
|
|
break;
|
|
case "macro":
|
|
this.compileMacroCall(output,"text/html",tree[t]);
|
|
break;
|
|
default:
|
|
this.compileElementHtml(output,tree[t]);
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileElementPlain = function(output,element, options) {
|
|
options = options || {};
|
|
if(!options.selfClosing) {
|
|
if(element.children) {
|
|
this.compileSubTreePlain(output,element.children);
|
|
}
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileSubTreePlain = function(output,tree) {
|
|
for(var t=0; t<tree.length; t++) {
|
|
switch(tree[t].type) {
|
|
case "text":
|
|
this.pushString(output,utils.htmlEncode(tree[t].value));
|
|
break;
|
|
case "entity":
|
|
var c = utils.entityDecode(tree[t].value);
|
|
if(c) {
|
|
this.pushString(output,c);
|
|
} else {
|
|
this.pushString(output,tree[t].value);
|
|
}
|
|
break;
|
|
case "br":
|
|
case "img":
|
|
this.compileElementPlain(output,tree[t],{selfClosing: true}); // Self closing elements
|
|
break;
|
|
case "macro":
|
|
this.compileMacroCall(output,"text/plain",tree[t]);
|
|
break;
|
|
default:
|
|
this.compileElementPlain(output,tree[t]);
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
// Render the parse tree to a debugging string of the specified MIME type
|
|
WikiTextParseTree.prototype.toString = function(type) {
|
|
var output = [],
|
|
htmlNodes = "a br hr table tr td th h1 h2 h3 h4 h5 h6 ul ol li dl dd dt blockquote pre img strong em u sup sub strike code span div".split(" "),
|
|
customTemplates = [
|
|
function(output,type,node) { // Text nodes
|
|
if(node.type === "text") {
|
|
output.push(utils.stitchElement("div",null,
|
|
{classNames: ["treeNode","splitLabel"]}));
|
|
output.push(utils.stitchElement("span",{"data-tw-treenode-type": "text"},{
|
|
content: node.type,
|
|
classNames: ["splitLabelLeft"]
|
|
}));
|
|
output.push(utils.stitchElement("span",null,{
|
|
content: utils.htmlEncode(node.value).replace(/\n/g,"<br>"),
|
|
classNames: ["splitLabelRight"]
|
|
}));
|
|
output.push("</div>");
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
function(output,type,node) { // Macro nodes
|
|
if(node.type === "macro") {
|
|
output.push(utils.stitchElement("span",
|
|
{"data-tw-treenode-type": "macro"},{
|
|
content: utils.htmlEncode(node.name),
|
|
classNames: ["treeNode","label"]
|
|
}));
|
|
for(var f in node.params) {
|
|
output.push(utils.stitchElement("span",null,{
|
|
classNames: ["splitLabel"]
|
|
}));
|
|
output.push(utils.stitchElement("span",{"data-tw-treenode-type": "param"},{
|
|
content: utils.htmlEncode(f),
|
|
classNames: ["splitLabelLeft"]
|
|
}));
|
|
var v = node.params[f].value;
|
|
if(node.params[f].type === "string") {
|
|
v = utils.stringify(v);
|
|
} else if(node.params[f].type === "eval") {
|
|
v = "{{" + v + "}}";
|
|
}
|
|
output.push(utils.stitchElement("span",null,{
|
|
content: utils.htmlEncode(v),
|
|
classNames: ["splitLabelRight"]
|
|
}));
|
|
output.push("</span>");
|
|
}
|
|
if(node.children) {
|
|
utils.renderObject(output,type,node.children,customTemplates);
|
|
}
|
|
output.push("</span>");
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
function(output,type,node) { // HTML nodes
|
|
if(htmlNodes.indexOf(node.type) !== -1) {
|
|
output.push(utils.stitchElement("span",
|
|
{"data-tw-treenode-type": "html"},{
|
|
content: node.type,
|
|
classNames: ["treeNode","label"]
|
|
}));
|
|
for(var f in node.attributes) {
|
|
output.push(utils.string("span",null,{
|
|
classNames: ["treeNode"]
|
|
}));
|
|
var v = node.attributes[f];
|
|
output.push(utils.stitchElement("span",null,{
|
|
content: utils.htmlEncode(f),
|
|
classNames: (typeof v === "object") ? ["label"] : ["splitLabel","splitLabelLeft"]
|
|
}));
|
|
if(typeof v === "string") {
|
|
v = utils.stringify(v);
|
|
} else if(v instanceof Array) {
|
|
v = v.join("; ");
|
|
}
|
|
if(typeof v === "object") {
|
|
utils.renderObject(output,type,v);
|
|
} else {
|
|
output.push(utils.stitchElement("span",null,{
|
|
content: utils.htmlEncode(v),
|
|
classNames: ["splitLabelRight"]
|
|
}));
|
|
}
|
|
}
|
|
if(node.children) {
|
|
utils.renderObject(output,type,node.children,customTemplates);
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
];
|
|
utils.renderObject(output,type,this.tree,customTemplates);
|
|
return output.join("");
|
|
};
|
|
|
|
exports.WikiTextParseTree = WikiTextParseTree;
|
|
|
|
})();
|