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47 lines
1005 B
47 lines
1005 B
// Horizontal rule
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'use strict';
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var isWhiteSpace = require('../helpers').isWhiteSpace;
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module.exports = function hr(state, startLine, endLine, silent) {
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var marker, cnt, ch,
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pos = state.bMarks[startLine],
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max = state.eMarks[startLine];
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// should not have > 3 leading spaces
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if (state.tShift[startLine] > 3) { return false; }
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pos += state.tShift[startLine];
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if (pos > max) { return false; }
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marker = state.src.charCodeAt(pos++);
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// Check hr marker
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if (marker !== 0x2A/* * */ &&
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marker !== 0x2D/* - */ &&
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marker !== 0x5F/* _ */) {
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return false;
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}
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// markers can be mixed with spaces, but there should be at least 3 one
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cnt = 1;
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while (pos < max) {
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ch = state.src.charCodeAt(pos++);
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if (ch !== marker && !isWhiteSpace(ch)) { return false; }
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if (ch === marker) { cnt++; }
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}
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if (cnt < 3) { return false; }
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if (silent) { return true; }
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state.tokens.push({ type: 'hr' });
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state.line = startLine + 1;
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return true;
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};
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