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Code Issues Releases Wiki Activity

Added support for unterminated runs

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This commit is contained in:
Jeremy Ruston 2012-06-04 13:38:33 +01:00
parent 5f6be2b5c7
commit c2927eb032
1 changed files with 53 additions and 4 deletions
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57
core/modules/parsers/newwikitextparser/newwikitextparser.js
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@ -23,9 +23,13 @@ var WikiTextRenderer = function(text,options) {
this.parser = options.parser;
this.tree = [];
this.dependencies = new $tw.Dependencies();
// Parse the text into blocks
while(this.pos < this.sourceLength) {
this.tree.push.apply(this.tree,this.parseBlock());
if(options.isRun) {
this.tree.push.apply(this.tree,this.parseRun(null));
} else {
// Parse the text into blocks
while(this.pos < this.sourceLength) {
this.tree.push.apply(this.tree,this.parseBlock());
}
}
};
@ -76,6 +80,48 @@ Parse a run of text at the current position
Returns an array of tree nodes
*/
WikiTextRenderer.prototype.parseRun = function(terminatorRegExp) {
if(terminatorRegExp === null) {
return this.parseRunUnterminated();
} else {
return this.parseRunTerminated(terminatorRegExp);
}
};
WikiTextRenderer.prototype.parseRunUnterminated = function() {
var tree = [];
// Find the next occurrence of a runrule
this.parser.runRegExp.lastIndex = this.pos;
var runRuleMatch = this.parser.runRegExp.exec(this.source);
// Loop around until we've reached the end of the text
while(this.pos < this.sourceLength && runRuleMatch) {
// Process the text preceding the run rule
if(runRuleMatch.index > this.pos) {
tree.push($tw.Tree.Text(this.source.substring(this.pos,runRuleMatch.index)));
this.pos = runRuleMatch.index;
}
// Process the run rule
var rule;
for(var t=0; t<this.parser.runRules.length; t++) {
if(runRuleMatch[t+1]) {
rule = this.parser.runRules[t];
}
}
if(rule) {
tree.push.apply(tree,rule.parse.call(this,runRuleMatch,false));
}
// Look for the next run rule
this.parser.runRegExp.lastIndex = this.pos;
runRuleMatch = this.parser.runRegExp.exec(this.source);
}
// Process the remaining text
if(this.pos < this.sourceLength) {
tree.push($tw.Tree.Text(this.source.substr(this.pos)));
}
this.pos = this.sourceLength;
return tree;
};
WikiTextRenderer.prototype.parseRunTerminated = function(terminatorRegExp) {
var tree = [];
// Find the next occurrence of the terminator
terminatorRegExp = terminatorRegExp || /(\r?\n\r?\n)/mg;
@ -176,10 +222,13 @@ The wikitext parser constructs a wikitext renderer to do the work
WikiTextParser.prototype.parse = function(type,text) {
return new WikiTextRenderer(text,{
wiki: this.wiki,
parser: this
parser: this,
isRun: type === "text/x-tiddlywiki-run"
});
};
exports[$tw.useNewParser ? "text/x-tiddlywiki" : "text/x-tiddlywiki-new"] = WikiTextParser;
exports["text/x-tiddlywiki-run"] = WikiTextParser;
})();