290144e9
 易尊强
第一次
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// lheading (---, ===)
'use strict';
module.exports = function lheading(state, startLine, endLine/*, silent*/) {
var content, terminate, i, l, token, pos, max, level, marker,
nextLine = startLine + 1, oldParentType,
terminatorRules = state.md.block.ruler.getRules('paragraph');
// if it's indented more than 3 spaces, it should be a code block
if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
oldParentType = state.parentType;
state.parentType = 'paragraph'; // use paragraph to match terminatorRules
// jump line-by-line until empty one or EOF
for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
// this would be a code block normally, but after paragraph
// it's considered a lazy continuation regardless of what's there
if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }
//
// Check for underline in setext header
//
if (state.sCount[nextLine] >= state.blkIndent) {
pos = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
if (pos < max) {
marker = state.src.charCodeAt(pos);
if (marker === 0x2D/* - */ || marker === 0x3D/* = */) {
pos = state.skipChars(pos, marker);
pos = state.skipSpaces(pos);
if (pos >= max) {
level = (marker === 0x3D/* = */ ? 1 : 2);
break;
}
}
}
}
// quirk for blockquotes, this line should already be checked by that rule
if (state.sCount[nextLine] < 0) { continue; }
// Some tags can terminate paragraph without empty line.
terminate = false;
for (i = 0, l = terminatorRules.length; i < l; i++) {
if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
}
if (terminate) { break; }
}
if (!level) {
// Didn't find valid underline
return false;
}
content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
state.line = nextLine + 1;
token = state.push('heading_open', 'h' + String(level), 1);
token.markup = String.fromCharCode(marker);
token.map = [ startLine, state.line ];
token = state.push('inline', '', 0);
token.content = content;
token.map = [ startLine, state.line - 1 ];
token.children = [];
token = state.push('heading_close', 'h' + String(level), -1);
token.markup = String.fromCharCode(marker);
state.parentType = oldParentType;
return true;
};
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