mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-07-02 18:23:28 +00:00
394 lines
9.9 KiB
JavaScript
394 lines
9.9 KiB
JavaScript
/*\
|
|
title: js/WikiTextParseTree.js
|
|
|
|
A container for the parse tree generated by parsing wikitext
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true */
|
|
"use strict";
|
|
|
|
var WikiTextRenderer = require("./WikiTextRenderer.js").WikiTextRenderer,
|
|
HTML = require("./HTML.js").HTML,
|
|
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;
|
|
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) {
|
|
/*jslint evil: true */
|
|
treenode = treenode || this.tree;
|
|
var renderer = new WikiTextRenderer(),
|
|
renderStep = {},
|
|
renderStepIndex = renderer.addRenderStep(renderStep),
|
|
output = [];
|
|
if(type === "text/html") {
|
|
this.compileSubTreeHtml(output,renderer,treenode);
|
|
} else if(type === "text/plain") {
|
|
this.compileSubTreePlain(output,renderer,treenode);
|
|
} else {
|
|
return null;
|
|
}
|
|
// Create the parse tree for the rendering step function definition
|
|
var parseTree = this.store.jsParser.createTree(
|
|
[
|
|
{
|
|
type: "Function",
|
|
name: null,
|
|
params: ["tiddler","renderer","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: ""
|
|
}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
}
|
|
]);
|
|
renderStep.type = "main";
|
|
renderStep.step = renderStepIndex;
|
|
renderStep.dependencies = {};
|
|
renderStep.handler = parseTree.compile("application/javascript").render;
|
|
return renderer;
|
|
};
|
|
|
|
var 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,renderer,type,node) {
|
|
/*jslint evil: true */
|
|
var name = node.name,
|
|
params = node.params,
|
|
macro = this.store.macros[name],
|
|
p,
|
|
n,
|
|
renderStep = {},
|
|
renderStepIndex = renderer.addRenderStep(renderStep);
|
|
// Check for errors
|
|
if(!macro) {
|
|
pushString(output,"{{** Unknown macro '" + name + "' **}}");
|
|
return;
|
|
}
|
|
if(macro.types.indexOf(type) === -1) {
|
|
pushString(output,"{{** Macro '" + name + "' cannot render to MIME type '" + type + "'**}}");
|
|
return;
|
|
}
|
|
renderStep.type = "macro";
|
|
renderStep.macro = name;
|
|
renderStep.renderType = type;
|
|
renderStep.step = renderStepIndex;
|
|
renderStep.dependencies = node.dependencies;
|
|
// Slot the parameters into the macro call
|
|
var 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];
|
|
}
|
|
properties.push({
|
|
type: "PropertyAssignment",
|
|
name: p,
|
|
value: n
|
|
});
|
|
}
|
|
renderStep.params = this.store.jsParser.createTree([
|
|
{
|
|
type: "Function",
|
|
name: null,
|
|
params: ["tiddler","renderer","store","utils"], // These are the parameters passed to the tiddler function; must match the invocation in WikiStore.renderTiddler()
|
|
elements: [ {
|
|
type: "ReturnStatement",
|
|
value: {
|
|
type: "ObjectLiteral",
|
|
properties: properties
|
|
}
|
|
} ]
|
|
}
|
|
]).compile("application/javascript").render;
|
|
// Compile any child nodes
|
|
var subOutput = [];
|
|
if(node.children) {
|
|
this.compileSubTreeHtml(subOutput,renderer,node.children);
|
|
}
|
|
renderStep.content = this.store.jsParser.createTree([
|
|
{
|
|
type: "Function",
|
|
name: null,
|
|
params: ["tiddler","renderer","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: subOutput
|
|
},
|
|
name: "join"
|
|
},
|
|
"arguments": [ {
|
|
type: "StringLiteral",
|
|
value: ""
|
|
}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
}
|
|
]).compile("application/javascript").render;
|
|
// Add the wrapper node
|
|
var wrapperTag = macro.wrapperTag || "div";
|
|
if(type === "text/html" && !this.store.disableHtmlWrapperNodes) {
|
|
pushString(output,HTML(HTML.elem(wrapperTag,{
|
|
"data-tw-macro": name,
|
|
"data-tw-render-step": renderStepIndex
|
|
})));
|
|
}
|
|
// Output the macro call
|
|
output.push({
|
|
type: "FunctionCall",
|
|
name: {
|
|
base: {
|
|
name: "renderer",
|
|
type: "Variable"},
|
|
name: "render",
|
|
type: "PropertyAccess"},
|
|
"arguments": [ {
|
|
type: "Variable",
|
|
name: "tiddler"
|
|
},{
|
|
type: "Variable",
|
|
name: "store"
|
|
},{
|
|
type: "NumericLiteral",
|
|
value: renderStepIndex
|
|
}]
|
|
});
|
|
if(type === "text/html" && !this.store.disableHtmlWrapperNodes) {
|
|
pushString(output,"</" + wrapperTag + ">");
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileElementHtml = function(output,renderer,element,options) {
|
|
options = options || {};
|
|
pushString(output,HTML(HTML.elem(element.type,element.attributes)));
|
|
if(!options.selfClosing) {
|
|
if(element.children) {
|
|
this.compileSubTreeHtml(output,renderer,element.children);
|
|
}
|
|
pushString(output,"</" + element.type + ">");
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileSubTreeHtml = function(output,renderer,tree) {
|
|
for(var t=0; t<tree.length; t++) {
|
|
switch(tree[t].type) {
|
|
case "text":
|
|
pushString(output,utils.htmlEncode(tree[t].value));
|
|
break;
|
|
case "entity":
|
|
pushString(output,tree[t].value);
|
|
break;
|
|
case "br":
|
|
case "img":
|
|
this.compileElementHtml(output,renderer,tree[t],{selfClosing: true}); // Self closing elements
|
|
break;
|
|
case "macro":
|
|
this.compileMacroCall(output,renderer,"text/html",tree[t]);
|
|
break;
|
|
default:
|
|
this.compileElementHtml(output,renderer,tree[t]);
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileElementPlain = function(output,renderer,element,options) {
|
|
options = options || {};
|
|
if(!options.selfClosing) {
|
|
if(element.children) {
|
|
this.compileSubTreePlain(output,renderer,element.children);
|
|
}
|
|
}
|
|
};
|
|
|
|
WikiTextParseTree.prototype.compileSubTreePlain = function(output,renderer,tree) {
|
|
for(var t=0; t<tree.length; t++) {
|
|
switch(tree[t].type) {
|
|
case "text":
|
|
pushString(output,tree[t].value);
|
|
break;
|
|
case "entity":
|
|
var c = utils.entityDecode(tree[t].value);
|
|
if(c) {
|
|
pushString(output,c);
|
|
} else {
|
|
pushString(output,tree[t].value);
|
|
}
|
|
break;
|
|
case "br":
|
|
case "img":
|
|
this.compileElementPlain(output,renderer,tree[t],{selfClosing: true}); // Self closing elements
|
|
break;
|
|
case "macro":
|
|
this.compileMacroCall(output,renderer,"text/plain",tree[t]);
|
|
break;
|
|
default:
|
|
this.compileElementPlain(output,renderer,tree[t]);
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
// Render the parse tree to a debugging string of the specified MIME type
|
|
WikiTextParseTree.prototype.toString = function(type) {
|
|
var renderNode,
|
|
renderArray = function(tree) {
|
|
var children = [];
|
|
for(var t=0; t<tree.length; t++) {
|
|
children.push(HTML.elem("li",{
|
|
"class": ["nodeWikiText"]
|
|
},renderNode(tree[t])));
|
|
}
|
|
return HTML.elem("ul",{
|
|
"class": ["treeWikiText"]
|
|
},children);
|
|
},
|
|
renderTextNode = function(node) {
|
|
return [HTML.splitLabel(
|
|
node.type,
|
|
[HTML.text(node.type)],
|
|
[HTML.raw(utils.htmlEncode(node.value).replace(/\n/g,"<br>"))],
|
|
["treeNode"]
|
|
)];
|
|
},
|
|
renderDependencies = function(dependencies) {
|
|
var output = [];
|
|
for(var d in dependencies) {
|
|
if(d === "dependentAll") {
|
|
output.push(HTML.splitLabel("dependency",[HTML.text(d)],[HTML.text(dependencies[d])]));
|
|
} else {
|
|
var dependents = [];
|
|
for(var t in dependencies[d]) {
|
|
dependents.push(t);
|
|
}
|
|
output.push(HTML.splitLabel("dependency",[HTML.text(d)],[HTML.text(dependents.join(", "))]));
|
|
}
|
|
}
|
|
return HTML.splitLabel(
|
|
"dependencies",
|
|
[HTML.text("Dependencies")],
|
|
output
|
|
);
|
|
},
|
|
renderMacroNode = function(node) {
|
|
var params = [],
|
|
ret = [];
|
|
for(var p in node.params) {
|
|
var v = node.params[p].value;
|
|
if(node.params[p].type === "eval") {
|
|
v = "{{" + v + "}}";
|
|
}
|
|
params.push(HTML.splitLabel(
|
|
"param",
|
|
[HTML.text(p)],
|
|
[HTML.text(v)]
|
|
));
|
|
}
|
|
ret.push(HTML.splitLabel(
|
|
"macro",
|
|
[HTML.text(node.name)],
|
|
params,
|
|
["treeNode"]
|
|
));
|
|
if(node.dependencies) {
|
|
ret.push(renderDependencies(node.dependencies));
|
|
}
|
|
if(node.children) {
|
|
ret.push(renderArray(node.children));
|
|
}
|
|
return ret;
|
|
},
|
|
renderHtmlNode = function(node) {
|
|
var attributes = [],
|
|
ret = [];
|
|
for(var a in node.attributes) {
|
|
var v = node.attributes[a];
|
|
if(typeof v === "string") {
|
|
v = v;
|
|
} else if(v instanceof Array) {
|
|
v = v.join("; ");
|
|
} else if(typeof v === "object") {
|
|
var o = [];
|
|
for(var n in v) {
|
|
o.push(n,":",v[n],";");
|
|
}
|
|
v = o.join("");
|
|
}
|
|
attributes.push(HTML.splitLabel(
|
|
"attribute",
|
|
[HTML.text(a)],
|
|
[HTML.text(v)]
|
|
));
|
|
}
|
|
ret.push(HTML.splitLabel(
|
|
"html",
|
|
[HTML.text(node.type)],
|
|
attributes,
|
|
["treeNode"]
|
|
));
|
|
if(node.children) {
|
|
ret.push(renderArray(node.children));
|
|
}
|
|
return ret;
|
|
};
|
|
renderNode = function(node) {
|
|
if(node.type === "text") {
|
|
return renderTextNode(node);
|
|
} else if(node.type === "macro") {
|
|
return renderMacroNode(node);
|
|
} else {
|
|
return renderHtmlNode(node);
|
|
}
|
|
};
|
|
return HTML(renderDependencies(this.dependencies),type) + HTML(renderArray(this.tree),type);
|
|
};
|
|
|
|
exports.WikiTextParseTree = WikiTextParseTree;
|
|
|
|
})();
|