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55 lines
1.5 KiB
55 lines
1.5 KiB
// heading (#, ##, ...) |
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'use strict'; |
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var isSpace = require('../common/utils').isSpace; |
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module.exports = function heading(state, startLine, endLine, silent) { |
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var ch, level, tmp, token, |
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pos = state.bMarks[startLine] + state.tShift[startLine], |
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max = state.eMarks[startLine]; |
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// if it's indented more than 3 spaces, it should be a code block |
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if (state.sCount[startLine] - state.blkIndent >= 4) { return false; } |
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ch = state.src.charCodeAt(pos); |
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if (ch !== 0x23/* # */ || pos >= max) { return false; } |
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// count heading level |
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level = 1; |
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ch = state.src.charCodeAt(++pos); |
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while (ch === 0x23/* # */ && pos < max && level <= 6) { |
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level++; |
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ch = state.src.charCodeAt(++pos); |
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} |
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if (level > 6 || (pos < max && !isSpace(ch))) { return false; } |
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if (silent) { return true; } |
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// Let's cut tails like ' ### ' from the end of string |
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max = state.skipSpacesBack(max, pos); |
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tmp = state.skipCharsBack(max, 0x23, pos); // # |
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if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) { |
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max = tmp; |
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} |
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state.line = startLine + 1; |
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token = state.push('heading_open', 'h' + String(level), 1); |
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token.markup = '########'.slice(0, level); |
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token.map = [ startLine, state.line ]; |
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token = state.push('inline', '', 0); |
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token.content = state.src.slice(pos, max).trim(); |
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token.map = [ startLine, state.line ]; |
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token.children = []; |
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token = state.push('heading_close', 'h' + String(level), -1); |
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token.markup = '########'.slice(0, level); |
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return true; |
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};
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