64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
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// Parse backticks
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'use strict';
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module.exports = function backtick(state, silent) {
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var start, max, marker, token, matchStart, matchEnd, openerLength, closerLength,
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pos = state.pos,
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ch = state.src.charCodeAt(pos);
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if (ch !== 0x60/* ` */) { return false; }
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start = pos;
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pos++;
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max = state.posMax;
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// scan marker length
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while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; }
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marker = state.src.slice(start, pos);
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openerLength = marker.length;
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if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {
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if (!silent) state.pending += marker;
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state.pos += openerLength;
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return true;
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}
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matchEnd = pos;
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// Nothing found in the cache, scan until the end of the line (or until marker is found)
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while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {
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matchEnd = matchStart + 1;
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// scan marker length
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while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; }
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closerLength = matchEnd - matchStart;
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if (closerLength === openerLength) {
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// Found matching closer length.
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if (!silent) {
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token = state.push('code_inline', 'code', 0);
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token.markup = marker;
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token.content = state.src.slice(pos, matchStart)
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.replace(/\n/g, ' ')
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.replace(/^ (.+) $/, '$1');
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}
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state.pos = matchEnd;
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return true;
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}
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// Some different length found, put it in cache as upper limit of where closer can be found
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state.backticks[closerLength] = matchStart;
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}
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// Scanned through the end, didn't find anything
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state.backticksScanned = true;
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if (!silent) state.pending += marker;
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state.pos += openerLength;
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return true;
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};
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