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43 lines
1.2 KiB
43 lines
1.2 KiB
// Proceess '\n'
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import { isSpace } from '../common/utils.mjs';
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export default function newline(state, silent) {
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var pmax, max, ws, pos = state.pos;
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if (state.src.charCodeAt(pos) !== 0x0A/* \n */) { return false; }
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pmax = state.pending.length - 1;
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max = state.posMax;
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// ' \n' -> hardbreak
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// Lookup in pending chars is bad practice! Don't copy to other rules!
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// Pending string is stored in concat mode, indexed lookups will cause
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// convertion to flat mode.
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if (!silent) {
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if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {
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if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {
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// Find whitespaces tail of pending chars.
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ws = pmax - 1;
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while (ws >= 1 && state.pending.charCodeAt(ws - 1) === 0x20) ws--;
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state.pending = state.pending.slice(0, ws);
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state.push('hardbreak', 'br', 0);
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} else {
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state.pending = state.pending.slice(0, -1);
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state.push('softbreak', 'br', 0);
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}
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} else {
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state.push('softbreak', 'br', 0);
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}
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}
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pos++;
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// skip heading spaces for next line
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while (pos < max && isSpace(state.src.charCodeAt(pos))) { pos++; }
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state.pos = pos;
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return true;
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}
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