Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
https://markdown-it.github.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.2 KiB
74 lines
2.2 KiB
// HTML block
|
|
|
|
'use strict';
|
|
|
|
|
|
var block_names = require('../common/html_blocks');
|
|
var HTML_OPEN_CLOSE_TAG_RE = require('../common/html_re').HTML_OPEN_CLOSE_TAG_RE;
|
|
|
|
// An array of opening and corresponding closing sequences for html tags,
|
|
// last argument defines whether it can terminate a paragraph or not
|
|
//
|
|
var HTML_SEQUENCES = [
|
|
[ /^<(script|pre|style|textarea)(?=(\s|>|$))/i, /<\/(script|pre|style|textarea)>/i, true ],
|
|
[ /^<!--/, /-->/, true ],
|
|
[ /^<\?/, /\?>/, true ],
|
|
[ /^<![A-Z]/, />/, true ],
|
|
[ /^<!\[CDATA\[/, /\]\]>/, true ],
|
|
[ new RegExp('^</?(' + block_names.join('|') + ')(?=(\\s|/?>|$))', 'i'), /^$/, true ],
|
|
[ new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\s*$'), /^$/, false ]
|
|
];
|
|
|
|
|
|
module.exports = function html_block(state, startLine, endLine, silent) {
|
|
var i, nextLine, token, lineText,
|
|
pos = state.bMarks[startLine] + state.tShift[startLine],
|
|
max = state.eMarks[startLine];
|
|
|
|
// if it's indented more than 3 spaces, it should be a code block
|
|
if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
|
|
|
|
if (!state.md.options.html) { return false; }
|
|
|
|
if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
|
|
|
|
lineText = state.src.slice(pos, max);
|
|
|
|
for (i = 0; i < HTML_SEQUENCES.length; i++) {
|
|
if (HTML_SEQUENCES[i][0].test(lineText)) { break; }
|
|
}
|
|
|
|
if (i === HTML_SEQUENCES.length) { return false; }
|
|
|
|
if (silent) {
|
|
// true if this sequence can be a terminator, false otherwise
|
|
return HTML_SEQUENCES[i][2];
|
|
}
|
|
|
|
nextLine = startLine + 1;
|
|
|
|
// If we are here - we detected HTML block.
|
|
// Let's roll down till block end.
|
|
if (!HTML_SEQUENCES[i][1].test(lineText)) {
|
|
for (; nextLine < endLine; nextLine++) {
|
|
if (state.sCount[nextLine] < state.blkIndent) { break; }
|
|
|
|
pos = state.bMarks[nextLine] + state.tShift[nextLine];
|
|
max = state.eMarks[nextLine];
|
|
lineText = state.src.slice(pos, max);
|
|
|
|
if (HTML_SEQUENCES[i][1].test(lineText)) {
|
|
if (lineText.length !== 0) { nextLine++; }
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
state.line = nextLine;
|
|
|
|
token = state.push('html_block', '', 0);
|
|
token.map = [ startLine, nextLine ];
|
|
token.content = state.getLines(startLine, nextLine, state.blkIndent, true);
|
|
|
|
return true;
|
|
};
|
|
|