mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-16 02:51:50 +00:00
1123 lines
34 KiB
JavaScript
1123 lines
34 KiB
JavaScript
/* Produces output more or less compatible with FakeParser; plug it into FP's output and see */
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{
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/* Fixme: use static functions to separate module! Unfortunately, this
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* does not work:
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* var tu = require('./mediawiki.tokenizer.utils.js');
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* console.log(tu.flatten([]));
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* Using exports in the module gets a bit further, but accesses to
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* tu.flatten in productions still fail. Thus, I just moved the functions
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* here until a solution is found:
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*/
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/* Static utilities */
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// Flatten a list of lists.
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var flatten = function ( e ) {
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var es = [];
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// flatten sub-arrays
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for(var i = 0, length = e.length; i < length; i++) {
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var ei = e[i];
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if ($.isArray(ei))
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es = es.concat(flatten(ei));
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else
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es.push(ei);
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};
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return es;
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};
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// Remove escaped quotes from attributes etc
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var unquote = function (quotec, text) {
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return text.replace('\\' + quotec, quotec);
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};
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// Debug print with global switch
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var dp = function ( msg ) {
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if ( false ) {
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console.log(msg);
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}
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};
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var pp = function ( s ) { return JSON.stringify(s, null, 2); }
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/*
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* Annotate a token stream with list items with appropriate list tokens
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*
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* @static
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* @method
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* @param {[tokens]} Token stream with li tokens
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* @returns {[tokens]} Token stream, possibly with additional list tokens
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* */
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var annotateList = function ( tokens ) {
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var out = [], // List of tokens
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bstack = [], // Bullet stack, previous element's listStyle
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bnext = [], // Next element's listStyle
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endtags = []; // Stack of end tags
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var commonPrefixLength = function (x, y) {
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var minLength = Math.min(x.length, y.length);
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for(var i = 0; i < minLength; i++) {
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if (x[i] != y[i])
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break;
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}
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return i;
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};
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var pushList = function ( listName, itemName ) {
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out.push({type: 'TAG', name: listName});
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out.push({type: 'TAG', name: itemName});
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endtags.push({type: 'ENDTAG', name: listName});
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endtags.push({type: 'ENDTAG', name: itemName});
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};
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var popTags = function ( n ) {
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for(;n > 0; n--) {
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// push list item..
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out.push(endtags.pop());
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// and the list end tag
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out.push(endtags.pop());
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}
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};
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var isDlDd = function (a, b) {
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var ab = [a,b].sort();
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return (ab[0] === ':' && ab[1] === ';');
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};
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var doListItem = function ( bs, bn ) {
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var prefixLen = commonPrefixLength (bs, bn);
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var changeLen = bn.length - prefixLen;
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var prefix = bn.slice(0, prefixLen);
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// emit close tag tokens for closed lists
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if (changeLen === 0) {
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var itemToken = endtags.pop();
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out.push(itemToken);
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out.push({type: 'TAG', name: itemToken.name});
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endtags.push({type: 'ENDTAG', name: itemToken.name});
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} else if ( bs.length == bn.length
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&& changeLen == 1
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&& isDlDd( bs[prefixLen], bn[prefixLen] ) ) {
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// handle dd/dt transitions
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out.push(endtags.pop());
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if( bn[prefixLen] == ';') {
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var newName = 'dt';
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} else {
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var newName = 'dd';
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}
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out.push({type: 'TAG', name: newName});
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endtags.push({type: 'ENDTAG', name: newName});
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} else {
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popTags(bs.length - prefixLen);
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for(var i = prefixLen; i < bn.length; i++) {
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switch (bn[i]) {
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case '*':
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pushList('ul', 'li');
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break;
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case '#':
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pushList('ol', 'li');
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break;
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case ';':
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pushList('dl', 'dt');
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break;
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case ':':
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pushList('dl', 'dd');
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break;
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default:
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throw("Unknown node prefix " + prefix[i]);
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}
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}
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}
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};
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for (var i = 0, length = tokens.length; i < length; i++) {
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var token = tokens[i];
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switch ( token.type ) {
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case 'TAG':
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switch (token.name) {
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case 'list':
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// ignore token
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break;
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case 'listItem':
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// convert listItem to list and list item tokens
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bnext = token.bullets;
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doListItem( bstack, bnext );
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bstack = bnext;
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break;
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default:
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// pass through all remaining start tags
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out.push(token);
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break;
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}
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break;
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case 'ENDTAG':
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if ( token.name == 'list' ) {
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// pop all open list item tokens
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popTags(bstack.length);
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bstack = "";
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} else {
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out.push(token);
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}
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break;
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default:
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out.push(token);
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break;
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}
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}
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return out;
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};
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/*
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* Italic/Bold handling.
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*
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* - list of tokens
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* - NEWLINE
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* - ticks (2+) -> list with link in line token list?
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* - process on newline
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* - need access to text nodes before/after for conversion back to text
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*/
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var doQuotes = function ( tokens ) {
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var italics = [],
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bolds = [],
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out = [],
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inserted = 0;
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var convertBold = function ( i ) {
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var index = bolds[i];
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var txt = out[index - 1];
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txt.value += "'";
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bolds = bolds.slice(0, i)
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.concat(bolds.slice(i + 1, bolds.length - i - 1));
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italics.push(index);
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italics.sort();
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};
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// convert italics/bolds into tags
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var quotesToTags = function ( offsets, name ) {
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var toggle = true;
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for (var j = 0; j < offsets.length; j++) {
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var t = out[offsets[j]];
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if(toggle) {
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t.type = 'TAG';
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} else {
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t.type = 'ENDTAG';
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}
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t.name = name;
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delete t.value;
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toggle = !toggle;
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}
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if (!toggle) {
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// add end tag
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out.push({type: 'ENDTAG', name: name});
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inserted++;
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}
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toggle = true;
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};
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for (var i = 0, length = tokens.length; i < length; i++) {
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var token = tokens[i];
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switch (token.type) {
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case 'QUOTE':
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// depending on length, add starting 's to preceding text node
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// (if any)
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// add token index to italic/bold lists
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// add placeholder for token
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var qlen = token.value.length;
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switch (qlen) {
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case 2: italics.push(i + inserted); out.push(token); break;
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case 3: bolds.push(i + inserted); out.push(token); break;
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case 4:
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token.value = "'''";
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if (i > 0 && tokens[i-1].type === 'TEXT') {
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tokens[i-1].value += "'";
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} else {
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out.push({type: 'TEXT', value: "'"});
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inserted++;
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}
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bolds.push(i + inserted);
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out.push(token);
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break;
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case 5:
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// order does not matter here, will be fixed
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// by HTML parser backend
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italics.push(i + inserted);
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out.push({type: 'QUOTE', value: "''"});
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inserted++;
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bolds.push(i + inserted);
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out.push({type: 'QUOTE', value: "'''"});
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break;
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default: // longer than 5, only use the last 5 ticks
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token.value = "'''''";
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var newvalue = token.value.substr(0, qlen - 5 );
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if (i > 0 && tokens[i-1].type === 'TEXT') {
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tokens[i-1].value += newvalue;
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} else {
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out.push({type: 'TEXT', value: newvalue});
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inserted++;
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}
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italics.push(i + inserted);
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out.push({type: 'QUOTE', value: "''"});
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inserted++;
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bolds.push(i + inserted);
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out.push({type: 'QUOTE', value: "'''"});
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break;
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}
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break;
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case 'NEWLINE':
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// balance out tokens, convert placeholders into tags
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if (italics.length % 2 && bolds.length % 2) {
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dp("balancing!");
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var firstsingleletterword = -1,
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firstmultiletterword = -1,
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firstspace = -1;
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for (var j = 0; j < bolds.length; j++) {
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var ticki = bolds[j];
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if (ticki > 0 && out[ticki - 1].type === 'TEXT') {
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var txt = out[ticki - 1],
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lastchar = txt.value[txt.value.length - 1],
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secondtolastchar = txt.value[txt.value.length - 2];
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dp('txt: ' + pp(txt));
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if (lastchar === ' ' && firstspace === -1) {
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firstspace = j;
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} else if (lastchar !== ' ') {
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if ( secondtolastchar === ' ' &&
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firstsingleletterword === -1) {
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firstsingleletterword = j;
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} else if ( secondtolastchar &&
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secondtolastchar !== ' ') {
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firstmultiletterword = j;
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}
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}
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}
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}
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// now see if we can convert a bold to an italic and
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// an apostrophe
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if (firstsingleletterword > -1) {
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convertBold(firstsingleletterword);
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} else if (firstmultiletterword > -1) {
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convertBold(firstmultiletterword);
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} else if (firstspace > -1) {
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convertBold(firstspace);
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}
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}
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quotesToTags(bolds, 'b');
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quotesToTags(italics, 'i');
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bolds = [];
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italics = [];
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out.push(token);
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break;
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default:
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out.push(token);
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}
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}
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return out;
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};
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/* End static utilities */
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/*
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* Flags for specific parse environments (inside tables, links etc). Flags
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* trigger syntactic stops in the inline_breaks production, which
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* terminates inline and attribute matches. Flags merely reduce the number
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* of productions needed: The grammar is still context-free as the
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* productions can just be unrolled for all combinations of environments
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* at the cost of a much larger grammar.
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*/
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var syntaxFlags = {};
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var setFlag = function(flag) {
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if (syntaxFlags[flag] !== undefined) {
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syntaxFlags[flag]++;
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} else {
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syntaxFlags[flag] = 1;
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}
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return true;
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};
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var clearFlag = function(flag) {
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syntaxFlags[flag]--;
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};
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// Start position of top-level block
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// Could also provide positions for lower-level blocks using a stack.
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var blockStart = 0;
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// cache the input length
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var inputLength = input.length;
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// pseudo-production that matches at end of input
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var isEOF = function (pos) {
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return pos === inputLength;
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};
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// text start position
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var textStart = 0;
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}
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start
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= e:toplevelblock* newline* {
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return flatten(e);
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}
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anyblock = block / inline
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anyblockline = block / inlineline
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// All chars that cannot start syntactic structures in the middle of a line
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// XXX: ] and other end delimiters should probably only be activated inside
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// structures to avoid unnecessarily leaving the text production on plain
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// content.
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text = t:[^'<~\][\n\r{}:]+ { return t.join(''); }
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//text = t:[A-Za-z0-9,._ "?!\t-]+ { return t.join('') }
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// Experimental tweaked version: avoid expensive single-char substrings
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// This did not bring the expected performance boost, however.
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//text = [A-Za-z0-9,._ -] {
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// textStart = pos;
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//
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// var res = input.substr(textStart - 1, inputLength)
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// .match(/[A-Za-z0-9,._ -]+/)[0];
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// pos = pos + (res.length - 1);
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// return res
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// }
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space
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= s:[ \t]+ { return s.join(''); }
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// Start of line
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sol = (newline / & { return pos === 0; } { return true; })
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cn:(c:comment n:newline? { return [c, {type: 'TEXT', value: n}] })* {
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return [{type: 'NEWLINE'}].concat(cn);
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}
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eof = & { return isEOF(pos); } { return true; }
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newline
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= '\n' / '\r\n'
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eolf = newline / eof
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toplevelblock
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= & { blockStart = pos; return true; } b:block {
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b = flatten(b);
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var bs = b[0];
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dp('toplevelblock:' + pp(b));
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if (bs.attribs === undefined) {
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bs.attribs = [];
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}
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bs.attribs.push(['data-sourcePos', blockStart + ':' + pos]);
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// XXX: only run this for lines that actually need it!
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b.push({type: 'NEWLINE'});
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b = doQuotes(b);
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return b;
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}
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block
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= block_lines
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/ pre
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/ comment &eolf
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/ nowiki
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/ pre
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/ bt:block_tag { return [bt] } // avoid a paragraph if we know that the line starts with a block tag
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/ para
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/ inlineline // includes generic tags; wrapped into paragraphs in DOM postprocessor
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/ s:sol {
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if (s) {
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return [s, {type: 'NEWLINE'}];
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} else {
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return [{type: 'NEWLINE'}];
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}
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}
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block_lines
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= s:sol
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// eat an empty line before the block
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s2:(ss:space* so:sol { return [{type: 'TEXT', value: ss.join('')}].concat(so) })?
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bl:block_line {
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var s2_ = (s2 !== '') ? s2 : [];
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return s.concat(s2_, bl);
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}
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// Block structures with start-of-line wiki syntax
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block_line
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= h
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/ table
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/ lists
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/ pre_indent
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/ pre
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// TODO: convert inline content to annotations!
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para
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= s1:sol s2:sol c:inlineline {
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return s1.concat(s2, [{type: 'TAG', name: 'p'}], c);
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}
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br = space* &newline { return {type: 'SELFCLOSINGTAG', name: 'br'} }
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// Syntax that stops inline expansion
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inline_breaks
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= //& { console.log(pp(syntaxFlags)); return true; }
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& { return syntaxFlags['table']; }
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a:(newline [!|] / '||' / '!!' / '|}') { dp("table break" + pp(a)); return true; }
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/ & { return syntaxFlags['linkdesc']; } link_end { return true; }
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/ & { return syntaxFlags['colon']; } ":" { return true; }
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/ & { return syntaxFlags['h']; }
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( & { return syntaxFlags['h1'] } '=' newline { return true; }
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/ & { return syntaxFlags['h2'] } '==' newline { return true; }
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/ & { return syntaxFlags['h3'] } '===' newline { return true; }
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/ & { return syntaxFlags['h4'] } '====' newline { return true; }
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/ & { return syntaxFlags['h5'] } '=====' newline { return true; }
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/ & { return syntaxFlags['h6'] } '======' newline { return true; }
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)
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inline
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= c:(text / inline_element / (!inline_breaks ch:. { return ch; }))+ {
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var out = [];
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var text = [];
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c = flatten(c);
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for (var i = 0; i < c.length; i++) {
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if (typeof c[i] == 'string') {
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text.push(c[i]);
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} else {
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if (text.length) {
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out.push({ type: "TEXT", value: text.join('') });
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text = [];
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}
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out.concat(c[i]);
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}
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}
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if (text.length) {
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out.push({ type: 'TEXT', value: text.join('') });
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}
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return out;
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}
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inlineline
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= c:(text / !inline_breaks (inline_element / [^\n]))+ {
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var out = [];
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var text = [];
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c = flatten(c);
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for (var i = 0; i < c.length; i++) {
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if (typeof c[i] == 'string') {
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text.push(c[i]);
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} else {
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if (text.length) {
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out.push({type: 'TEXT', value: text.join('')});
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text = [];
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}
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out.push(c[i]);
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}
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}
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if (text.length) {
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out.push({type: 'TEXT', value: text.join('')});
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}
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//dp('inlineline out:', pp(out));
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return out;
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}
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/* TODO: convert all these to annotations!
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* -> need (start, end) offsets within block
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*/
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inline_element
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= comment
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/ xmlish_tag
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/ extlink
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/ template
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/ link
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/ quote
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/* Headings */
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h = h1 / h2 / h3 / h4 / h5 / h6
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h1 = sol '='
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(
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& { setFlag('h'); return setFlag('h1') }
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|
c:inlineline '=' comment? &newline {
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clearFlag('h');
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clearFlag('h1');
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return [{type: 'TAG', name: 'h1'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'h1'}]);
|
|
}
|
|
/ { clearFlag('h'); clearFlag('h1'); return null }
|
|
)
|
|
|
|
h2 = sol '=='
|
|
(
|
|
& { setFlag('h'); return setFlag('h2') }
|
|
c:inlineline '==' comment? &newline {
|
|
clearFlag('h');
|
|
clearFlag('h2');
|
|
return [{type: 'TAG', name: 'h2'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'h2'}]);
|
|
}
|
|
/ { clearFlag('h'); clearFlag('h2'); return null }
|
|
)
|
|
|
|
h3 = sol '==='
|
|
(
|
|
& { setFlag('h'); return setFlag('h3') }
|
|
c:inlineline '===' comment? &newline {
|
|
clearFlag('h');
|
|
clearFlag('h3');
|
|
return [{type: 'TAG', name: 'h3'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'h3'}]);
|
|
}
|
|
/ { clearFlag('h'); clearFlag('h3'); return null }
|
|
)
|
|
|
|
h4 = sol '===='
|
|
(
|
|
& { setFlag('h'); return setFlag('h4') }
|
|
c:inlineline '====' comment? &newline {
|
|
clearFlag('h');
|
|
clearFlag('h4');
|
|
return [{type: 'TAG', name: 'h4'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'h4'}]);
|
|
}
|
|
/ { clearFlag('h'); clearFlag('h4'); return null }
|
|
)
|
|
|
|
h5 = sol '====='
|
|
(& { setFlag('h'); return setFlag('h5') }
|
|
c:inlineline '=====' comment? &newline {
|
|
clearFlag('h');
|
|
clearFlag('h5');
|
|
return [{type: 'TAG', name: 'h5'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'h5'}]);
|
|
}
|
|
/ { clearFlag('h'); clearFlag('h5'); return null }
|
|
)
|
|
|
|
h6 = sol '======'
|
|
(& { setFlag('h'); return setFlag('h6') }
|
|
c:inlineline '======' comment? &newline {
|
|
clearFlag('h');
|
|
clearFlag('h6');
|
|
return [{type: 'TAG', name: 'h6'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'h6'}]);
|
|
}
|
|
/ { clearFlag('h'); clearFlag('h6'); return null }
|
|
)
|
|
|
|
heading_marker
|
|
= '=' '='*
|
|
|
|
heading_text
|
|
= h:( !(heading_marker newline) x:inlineline { return x } )* { return h.join(''); }
|
|
|
|
pre_indent
|
|
= l:pre_indent_line ls:(sol pre_indent_line)* {
|
|
return [{type: 'TAG', name: 'pre'}]
|
|
.concat( [l], ls
|
|
, [{type: 'ENDTAG', name: 'pre'}]);
|
|
}
|
|
pre_indent_line = space l:inlineline {
|
|
return [{type: 'TEXT', value: '\n'}].concat(l);
|
|
}
|
|
|
|
|
|
comment
|
|
= '<!--' c:comment_chars* ('-->' / eof)
|
|
cs:(space* newline space* cn:comment { return cn })* {
|
|
return [{ type: 'COMMENT', value: c.join('') }].concat(cs);
|
|
}
|
|
|
|
comment_chars
|
|
= c:[^-] { return c; }
|
|
/ c:'-' !'->' { return c; }
|
|
|
|
extlink
|
|
= "[" target:url " " text:extlink_text "]" {
|
|
return [ { type: 'TAG',
|
|
name: 'a',
|
|
attribs: [['href', target]] } ]
|
|
.concat( text
|
|
, [{type: 'ENDTAG', name: 'a'}]);
|
|
}
|
|
|
|
// = "[" target:url text:extlink_text "]" { return { type: 'extlink', target: target, text: text } }
|
|
|
|
url
|
|
= proto:"http:" rest:([^ \]\n]+) { return proto + rest.join(''); }
|
|
|
|
// XXX: convert to syntax flags and generic inline!
|
|
extlink_text
|
|
= c:(inline_element / ch:[^\]\n] { return {type: 'TEXT', value: ch}; })+
|
|
|
|
template
|
|
= "{{" target:template_target params:("|" p:template_param { return p })* "}}" {
|
|
var obj = { type: 'TAG', name: 'template', attribs: [['target', target]] }
|
|
if (params && params.length) {
|
|
obj.attribs.push(params);
|
|
}
|
|
// Should actually use a self-closing tag here, but the Node HTML5
|
|
// parser only recognizes known self-closing tags for now, so use an
|
|
// explicit end tag for now.
|
|
return [obj, {type: 'ENDTAG', name: 'template'}];
|
|
}
|
|
|
|
template_target
|
|
= h:( !"}}" x:([^|\n]) { return x } )* { return h.join(''); }
|
|
|
|
template_param
|
|
= name:template_param_name "=" c:template_param_text {
|
|
return [name, c];
|
|
} / c:template_param_text {
|
|
return [null, c];
|
|
}
|
|
|
|
tplarg
|
|
= "{{{" name:link_target params:("|" p:template_param { return p })* "}}}" {
|
|
var obj = {
|
|
type: 'SELFCLOSINGTAG',
|
|
name: 'templatearg',
|
|
attribs: [['argname', name]]
|
|
};
|
|
if (params && params.length) {
|
|
obj.attribs.push(params);
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
template_param_name
|
|
= h:( !"}}" x:([^=|\n]) { return x } )* { return h.join(''); }
|
|
|
|
template_param_text
|
|
= template_param_text_chunk*
|
|
/* = h:( !"}}" x:([^|]) { return x } )* { return h.join(''); }*/
|
|
|
|
template_param_text_chunk
|
|
= comment
|
|
/ xmlish_tag
|
|
/ extlink
|
|
/ template
|
|
/ link
|
|
/ quote
|
|
/ !"}}" x:([^|\n]) { return x }
|
|
|
|
link
|
|
= "[[" target:link_target text:("|" link_text)* "]]" {
|
|
var obj = {
|
|
type: 'TAG',
|
|
name: 'a',
|
|
attribs: [['data-type', 'internal']]
|
|
};
|
|
obj.attribs.push(['href', target]);
|
|
if (text && text.length) {
|
|
var textTokens = text[0][1]; // XXX
|
|
} else {
|
|
var textTokens = [{type: 'TEXT', value: target}];
|
|
}
|
|
return [obj].concat(textTokens, [{type: 'ENDTAG', name: 'a'}]);
|
|
}
|
|
|
|
link_target
|
|
= h:( !"]]" x:([^|\n]) { return x } )* { return h.join(''); }
|
|
|
|
link_text
|
|
= h:( & { return setFlag('linkdesc'); }
|
|
x:inlineline { return x }
|
|
)* {
|
|
clearFlag('linkdesc')
|
|
return h;
|
|
}
|
|
/ & { clearFlag('linkdesc') } { return null; }
|
|
|
|
link_end = "]]"
|
|
|
|
/* Generic quote production for italic and bold, further processed in a token
|
|
* stream transformation in doQuotes. Relies on NEWLINE tokens being emitted
|
|
* for each line of text to balance quotes per line.
|
|
*
|
|
* We are not using a simple pair rule here as we need to support mis-nested
|
|
* bolds/italics and MediaWiki's special heuristics for apostrophes, which are
|
|
* all not context free. */
|
|
quote = "''" x:"'"* {
|
|
return {
|
|
type : 'QUOTE',
|
|
value: "''" + x.join('')
|
|
}
|
|
}
|
|
|
|
/* Will need to check anything xmlish agains known/allowed HTML tags and
|
|
* registered extensions, otherwise fail the match. Should ref be treated as a
|
|
* regular extension? */
|
|
xmlish_tag = nowiki / ref / references / generic_tag
|
|
|
|
pre
|
|
= "<pre"
|
|
attribs:generic_attribute*
|
|
">"
|
|
ts:(t1:[^<]+ { return {type:'TEXT',value:t1.join('')} }
|
|
/ nowiki
|
|
/ !"</pre>" t2:. {return {type:'TEXT',value:t2}})+
|
|
("</pre>" / eof) {
|
|
// return nowiki tags as well?
|
|
//console.log('inpre');
|
|
return [ {type: 'TAG', name: 'pre', attribs: attribs} ]
|
|
.concat(ts, [{type: 'ENDTAG', name: 'pre'}]);
|
|
}
|
|
/ "</pre>" { return {type: 'TEXT', value: "</pre>"}; }
|
|
|
|
nowiki
|
|
= "<nowiki>" nc:nowiki_content "</nowiki>" {
|
|
// console.log(pp(nc));
|
|
return nc;
|
|
}
|
|
/ "<nowiki>" {
|
|
//console.log('nowiki fallback');
|
|
return [{type: 'TEXT', value: '<nowiki>'}];
|
|
}
|
|
/ "</nowiki>" { return [{type: 'TEXT', value: '</nowiki>'}]; }
|
|
|
|
nowiki_content
|
|
= ts:( t:[^<]+ { return t.join('') }
|
|
/ "<pre" p0:space* p1:[^>]* ">" p2:nowiki_content "</pre>" {
|
|
//console.log('nested pre in nowiki');
|
|
return ["<pre"].concat(p0, p1, [">"], [p2[0].value], ["</pre>"]).join('');
|
|
}
|
|
/ (!("</nowiki>" / "</pre>") c:. {return c})
|
|
)* {
|
|
// return nowiki tags as well?
|
|
return [{type: 'TEXT', value: ts.join('')}];
|
|
}
|
|
|
|
// See http://dev.w3.org/html5/spec/Overview.html#syntax-tag-name and
|
|
// following paragraphs
|
|
block_tag
|
|
= "<" end:"/"? name:block_name
|
|
attribs:generic_attribute*
|
|
selfclose:"/"?
|
|
">" {
|
|
var res = {name: name, attribs: attribs};
|
|
if ( end != '' ) {
|
|
res.type = 'ENDTAG';
|
|
} else if ( selfclose != '' ) {
|
|
res.type = 'SELFCLOSINGTAG';
|
|
} else {
|
|
res.type = 'TAG';
|
|
}
|
|
return res;
|
|
}
|
|
|
|
block_name
|
|
= "p" / "table" / "td" / "tr" / "ul" / "ol"
|
|
/ "li" / "dl" / "dt" / "dd" / "div" / "center"
|
|
/ "blockquote"
|
|
|
|
|
|
// See http://dev.w3.org/html5/spec/Overview.html#syntax-tag-name and
|
|
// following paragraphs
|
|
generic_tag
|
|
= "<" end:"/"? name:[0-9a-zA-Z]+
|
|
attribs:generic_attribute*
|
|
space*
|
|
selfclose:"/"?
|
|
">" {
|
|
var res = {name: name.join(''), attribs: attribs};
|
|
if ( end != '' ) {
|
|
res.type = 'ENDTAG';
|
|
} else if ( selfclose != '' ) {
|
|
res.type = 'SELFCLOSINGTAG';
|
|
} else {
|
|
res.type = 'TAG';
|
|
}
|
|
return res;
|
|
}
|
|
|
|
generic_attribute
|
|
= s:space*
|
|
name:generic_attribute_name
|
|
value:(space*
|
|
generic_attribute_value)?
|
|
{
|
|
if ( value !== '' ) {
|
|
return [name, value[1]];
|
|
} else {
|
|
return [name,''];
|
|
}
|
|
}
|
|
|
|
// http://dev.w3.org/html5/spec/Overview.html#attributes-0
|
|
generic_attribute_name
|
|
= n:[^ \t\0/"'>=]+ {
|
|
return n.join('');
|
|
}
|
|
|
|
generic_attribute_value
|
|
= "=" space* v:att_value {return v}
|
|
|
|
att_value
|
|
= t:[^ \t'"<>='\n]+ { return [null, t.join('')]; }
|
|
/ "'" t:[^'>]+ "'" { return unquote("'", t.join('')); }
|
|
/ '"' t:[^">]+ '"' { return unquote('"', t.join('')); }
|
|
|
|
ref = ref_full / ref_empty
|
|
|
|
/* Can we do backreferences to genericize this? */
|
|
ref_full
|
|
= start:ref_start ">" content:ref_content* close:ref_end {
|
|
return [
|
|
{ type: 'TAG',
|
|
name: 'ext',
|
|
attribs: [['data-extname', 'ref']]
|
|
.concat(start.params, [['data-startws', start.ws]])},
|
|
content,
|
|
{type: 'ENDTAG', name: 'ref'}
|
|
];
|
|
}
|
|
|
|
ref_empty
|
|
= start:ref_start close:(space* "/>") {
|
|
return [{ type: 'SELFCLOSINGTAG',
|
|
name: 'ext',
|
|
attribs: [['data-extname', 'ref']]
|
|
.concat(start.params
|
|
,[['data-startws', start.ws]])
|
|
}];
|
|
}
|
|
|
|
ref_start
|
|
= "<ref" params:ext_param* ws:space* {
|
|
return {
|
|
params: params,
|
|
ws: ws
|
|
};
|
|
}
|
|
|
|
ref_end
|
|
= all:("</ref" space* ">") {
|
|
return all.join('');
|
|
}
|
|
|
|
ref_content
|
|
= !ref_end a:inline { // XXX: ineffective syntactic stop
|
|
return a;
|
|
}
|
|
|
|
/* fixme probably have to programatically add these */
|
|
references = references_full / references_empty
|
|
|
|
references_full
|
|
= start:references_start ">" content:references_content* close:references_end {
|
|
return [
|
|
{ type: 'TAG',
|
|
name: 'ext',
|
|
attribs: [['data-extname', 'references']]
|
|
.concat(start.params
|
|
,[['data-startws', start.ws]])
|
|
},
|
|
content,
|
|
{ type: 'ENDTAG', name: 'ext' }
|
|
];
|
|
}
|
|
|
|
references_empty
|
|
= start:references_start close:(space* "/>") {
|
|
return
|
|
[{ type: 'SELFCLOSINGTAG',
|
|
name: 'ext',
|
|
attribs: [['data-extname', 'references']]
|
|
.concat(start.params
|
|
,[['data-startws', start.ws]])
|
|
}];
|
|
}
|
|
|
|
references_start
|
|
= "<references" params:ext_param* ws:space* {
|
|
return {
|
|
params: params,
|
|
ws: ws
|
|
};
|
|
}
|
|
|
|
references_end
|
|
= all:("</references" space* ">") {
|
|
return all.join('');
|
|
}
|
|
|
|
references_content
|
|
= !references_end a:inline {
|
|
return a;
|
|
}
|
|
|
|
|
|
ext_param
|
|
= space* name:ext_param_name "=" val:ext_param_val {
|
|
val[0] = name;
|
|
return val;
|
|
}
|
|
|
|
ext_param_name
|
|
= name:[a-zA-Z0-9-]+ {
|
|
return name.join('');
|
|
}
|
|
|
|
ext_param_val
|
|
= t:[0-9A-Za-z]+ { return [null, t.join('')]; }
|
|
/ "'" t:[^'>]+ "'" { return [null, unquote("'", t.join(''))]; }
|
|
/ '"' t:[^">]+ '"' { return [null, unquote('"', t.join(''))]; }
|
|
|
|
lists = e:(dtdd / li) es:(sol (dtdd / li))*
|
|
{
|
|
return annotateList( [ { type: 'TAG', name: 'list'} ]
|
|
.concat(flatten([e].concat(es))
|
|
,[{ type: 'ENDTAG', name: 'list' }]));
|
|
}
|
|
|
|
li = bullets:list_char+
|
|
c:inlineline
|
|
&eolf
|
|
{
|
|
return [ { type: 'TAG',
|
|
name: 'listItem',
|
|
bullets: bullets }
|
|
, c ];
|
|
}
|
|
|
|
dtdd = bullets:(!(";" !list_char) list_char)*
|
|
";"
|
|
& {return setFlag('colon');}
|
|
c:inlineline
|
|
":"
|
|
// Fortunately dtdds cannot be nested, so we can simply set the flag
|
|
// back to 0 to disable it.
|
|
& {syntaxFlags['colon'] = 0; return true;}
|
|
d:inlineline
|
|
&eolf
|
|
{
|
|
// Convert trailing space into
|
|
// XXX: This should be moved to a serializer
|
|
var clen = c.length;
|
|
if (clen && c[clen - 1].type === 'TEXT') {
|
|
var val = c[clen - 1].value;
|
|
if(val.length && val[val.length - 1] == ' ') {
|
|
c[clen - 1].value = val.substr(0, val.length - 1) + "\u00a0";
|
|
}
|
|
}
|
|
|
|
return [ { type: 'TAG', name: 'listItem', bullets: bullets + ";" } ]
|
|
.concat( c
|
|
,[{ type: 'TAG', name: 'listItem', bullets: bullets + ":" } ]
|
|
, d );
|
|
}
|
|
|
|
/ bullets:(!(";" !list_char) list_char)*
|
|
";"
|
|
{syntaxFlags['colon'] = 0; return null; }
|
|
|
|
|
|
list_char = [*#:;]
|
|
|
|
|
|
/* Tables */
|
|
|
|
table
|
|
= tas:table_start c:table_caption? b:table_body? table_end {
|
|
var res = {type: 'TAG', name: 'table'}
|
|
var body = b !== '' ? b : [];
|
|
dp("body: " + pp(body));
|
|
if (tas.length > 0) {
|
|
// FIXME: actually parse and build structure
|
|
res.attribs = [['data-unparsed', tas.join('')]];
|
|
}
|
|
|
|
if (c != '') {
|
|
var caption = [{type: 'TAG', name: 'caption'}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'caption'}]);
|
|
} else {
|
|
var caption = [];
|
|
}
|
|
//dp(pp(res));
|
|
|
|
return [res].concat(caption, body,
|
|
[{type: 'ENDTAG', name: 'table'}]);
|
|
}
|
|
|
|
table_start
|
|
= sol
|
|
"{|"
|
|
& { setFlag('table'); return true; }
|
|
ta:table_attribs*
|
|
space* {
|
|
//dp("table_start " + pp(ta) + ", pos:" + pos);
|
|
return ta;
|
|
}
|
|
/ sol "{|" { clearFlag('table'); return null; }
|
|
|
|
table_attribs
|
|
= text / ! inline_breaks !newline .
|
|
|
|
table_caption
|
|
= newline
|
|
"|+" c:inline* {
|
|
return c;
|
|
}
|
|
|
|
table_body
|
|
= & { dp("table_body enter"); return true; }
|
|
firstrow:table_firstrow otherrows:table_row* {
|
|
/* dp('table first and otherrows: '
|
|
* + pp([firstrow].concat(otherrows))); */
|
|
return [firstrow].concat(otherrows);
|
|
}
|
|
/ otherrows:table_row* {
|
|
//dp('table otherrows: ' + pp(otherrows));
|
|
return otherrows;
|
|
}
|
|
|
|
table_firstrow
|
|
= td:table_data+ {
|
|
return [{ type: 'TAG', name: 'tr' }]
|
|
.concat(td, [{type: 'ENDTAG', name: 'tr'}]);
|
|
}
|
|
|
|
table_row
|
|
= & { dp("table row enter"); return true; }
|
|
newline
|
|
"|-" thtd_attribs? space* td:(table_data / table_header)* {
|
|
return [{type: 'TAG', name: 'tr'}]
|
|
.concat(td, [{type: 'ENDTAG', name: 'tr'}]);
|
|
}
|
|
|
|
table_data
|
|
= & { dp("table_data enter, pos=" + pos); return true; }
|
|
("||" / newline "|")
|
|
! [}+-]
|
|
a:thtd_attribs?
|
|
td:(!inline_breaks anyblock)* {
|
|
dp("table data result: " + pp(td) + ", attribts: " + pp(a));
|
|
return [{ type: 'TAG', name: 'td', attribs: [['data-unparsed', a]]}]
|
|
.concat(td, [{type: 'ENDTAG', name: 'td'}]);
|
|
}
|
|
|
|
table_header
|
|
= ("!!" / newline "!")
|
|
a:thtd_attribs?
|
|
c:inline {
|
|
return [{type: 'TAG', name: 'th', attribs: [['data-unparsed', a]]}]
|
|
.concat(c, [{type: 'ENDTAG', name: 'th'}]);
|
|
}
|
|
|
|
thtd_attribs
|
|
// In particular, do not match [|\n]
|
|
= a:(text / ! inline_breaks [="':;/,.-] )+ "|" ! [|}+-] {
|
|
return a;
|
|
}
|
|
|
|
|
|
table_end = newline? "|}" { clearFlag('table'); }
|
|
|
|
|
|
/* Tabs do not mix well with the hybrid production syntax */
|
|
/* vim: filetype=javascript:expandtabs:ts=4:sw=4:cindent */
|