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| // Parse link title
| //
| 'use strict';
|
|
| var unescapeAll = require('../common/utils').unescapeAll;
|
|
| module.exports = function parseLinkTitle(str, pos, max) {
| var code,
| marker,
| lines = 0,
| start = pos,
| result = {
| ok: false,
| pos: 0,
| lines: 0,
| str: ''
| };
|
| if (pos >= max) { return result; }
|
| marker = str.charCodeAt(pos);
|
| if (marker !== 0x22 /* " */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return result; }
|
| pos++;
|
| // if opening marker is "(", switch it to closing marker ")"
| if (marker === 0x28) { marker = 0x29; }
|
| while (pos < max) {
| code = str.charCodeAt(pos);
| if (code === marker) {
| result.pos = pos + 1;
| result.lines = lines;
| result.str = unescapeAll(str.slice(start + 1, pos));
| result.ok = true;
| return result;
| } else if (code === 0x0A) {
| lines++;
| } else if (code === 0x5C /* \ */ && pos + 1 < max) {
| pos++;
| if (str.charCodeAt(pos) === 0x0A) {
| lines++;
| }
| }
|
| pos++;
| }
|
| return result;
| };
|
|
