56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
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// For each opening emphasis-like marker find a matching closing one
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//
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'use strict';
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module.exports = function link_pairs(state) {
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var i, j, lastDelim, currDelim,
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delimiters = state.delimiters,
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max = state.delimiters.length;
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for (i = 0; i < max; i++) {
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lastDelim = delimiters[i];
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if (!lastDelim.close) { continue; }
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j = i - lastDelim.jump - 1;
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while (j >= 0) {
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currDelim = delimiters[j];
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if (currDelim.open &&
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currDelim.marker === lastDelim.marker &&
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currDelim.end < 0 &&
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currDelim.level === lastDelim.level) {
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var odd_match = false;
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// typeofs are for backward compatibility with plugins
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if ((currDelim.close || lastDelim.open) &&
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typeof currDelim.length !== 'undefined' &&
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typeof lastDelim.length !== 'undefined') {
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// from spec:
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// sum of the lengths [...] must not be a multiple of 3
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// unless both lengths are multiples of 3
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if ((currDelim.length + lastDelim.length) % 3 === 0) {
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if (currDelim.length % 3 !== 0 || lastDelim.length % 3 !== 0) {
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odd_match = true;
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}
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}
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}
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if (!odd_match) {
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lastDelim.jump = i - j;
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lastDelim.open = false;
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currDelim.end = i;
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currDelim.jump = 0;
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break;
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}
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}
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j -= currDelim.jump + 1;
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}
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}
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};
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