diff options
Diffstat (limited to 'packages/markdown-it-14.1.0/lib/rules_block/reference.mjs')
| -rw-r--r-- | packages/markdown-it-14.1.0/lib/rules_block/reference.mjs | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/packages/markdown-it-14.1.0/lib/rules_block/reference.mjs b/packages/markdown-it-14.1.0/lib/rules_block/reference.mjs deleted file mode 100644 index 4166286..0000000 --- a/packages/markdown-it-14.1.0/lib/rules_block/reference.mjs +++ /dev/null @@ -1,212 +0,0 @@ -import { isSpace, normalizeReference } from '../common/utils.mjs' - -export default function reference (state, startLine, _endLine, silent) { - let pos = state.bMarks[startLine] + state.tShift[startLine] - let max = state.eMarks[startLine] - let nextLine = startLine + 1 - - // 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.src.charCodeAt(pos) !== 0x5B/* [ */) { return false } - - function getNextLine (nextLine) { - const endLine = state.lineMax - - if (nextLine >= endLine || state.isEmpty(nextLine)) { - // empty line or end of input - return null - } - - let isContinuation = false - - // 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) { isContinuation = true } - - // quirk for blockquotes, this line should already be checked by that rule - if (state.sCount[nextLine] < 0) { isContinuation = true } - - if (!isContinuation) { - const terminatorRules = state.md.block.ruler.getRules('reference') - const oldParentType = state.parentType - state.parentType = 'reference' - - // Some tags can terminate paragraph without empty line. - let terminate = false - for (let i = 0, l = terminatorRules.length; i < l; i++) { - if (terminatorRules[i](state, nextLine, endLine, true)) { - terminate = true - break - } - } - - state.parentType = oldParentType - if (terminate) { - // terminated by another block - return null - } - } - - const pos = state.bMarks[nextLine] + state.tShift[nextLine] - const max = state.eMarks[nextLine] - - // max + 1 explicitly includes the newline - return state.src.slice(pos, max + 1) - } - - let str = state.src.slice(pos, max + 1) - - max = str.length - let labelEnd = -1 - - for (pos = 1; pos < max; pos++) { - const ch = str.charCodeAt(pos) - if (ch === 0x5B /* [ */) { - return false - } else if (ch === 0x5D /* ] */) { - labelEnd = pos - break - } else if (ch === 0x0A /* \n */) { - const lineContent = getNextLine(nextLine) - if (lineContent !== null) { - str += lineContent - max = str.length - nextLine++ - } - } else if (ch === 0x5C /* \ */) { - pos++ - if (pos < max && str.charCodeAt(pos) === 0x0A) { - const lineContent = getNextLine(nextLine) - if (lineContent !== null) { - str += lineContent - max = str.length - nextLine++ - } - } - } - } - - if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return false } - - // [label]: destination 'title' - // ^^^ skip optional whitespace here - for (pos = labelEnd + 2; pos < max; pos++) { - const ch = str.charCodeAt(pos) - if (ch === 0x0A) { - const lineContent = getNextLine(nextLine) - if (lineContent !== null) { - str += lineContent - max = str.length - nextLine++ - } - } else if (isSpace(ch)) { - /* eslint no-empty:0 */ - } else { - break - } - } - - // [label]: destination 'title' - // ^^^^^^^^^^^ parse this - const destRes = state.md.helpers.parseLinkDestination(str, pos, max) - if (!destRes.ok) { return false } - - const href = state.md.normalizeLink(destRes.str) - if (!state.md.validateLink(href)) { return false } - - pos = destRes.pos - - // save cursor state, we could require to rollback later - const destEndPos = pos - const destEndLineNo = nextLine - - // [label]: destination 'title' - // ^^^ skipping those spaces - const start = pos - for (; pos < max; pos++) { - const ch = str.charCodeAt(pos) - if (ch === 0x0A) { - const lineContent = getNextLine(nextLine) - if (lineContent !== null) { - str += lineContent - max = str.length - nextLine++ - } - } else if (isSpace(ch)) { - /* eslint no-empty:0 */ - } else { - break - } - } - - // [label]: destination 'title' - // ^^^^^^^ parse this - let titleRes = state.md.helpers.parseLinkTitle(str, pos, max) - while (titleRes.can_continue) { - const lineContent = getNextLine(nextLine) - if (lineContent === null) break - str += lineContent - pos = max - max = str.length - nextLine++ - titleRes = state.md.helpers.parseLinkTitle(str, pos, max, titleRes) - } - let title - - if (pos < max && start !== pos && titleRes.ok) { - title = titleRes.str - pos = titleRes.pos - } else { - title = '' - pos = destEndPos - nextLine = destEndLineNo - } - - // skip trailing spaces until the rest of the line - while (pos < max) { - const ch = str.charCodeAt(pos) - if (!isSpace(ch)) { break } - pos++ - } - - if (pos < max && str.charCodeAt(pos) !== 0x0A) { - if (title) { - // garbage at the end of the line after title, - // but it could still be a valid reference if we roll back - title = '' - pos = destEndPos - nextLine = destEndLineNo - while (pos < max) { - const ch = str.charCodeAt(pos) - if (!isSpace(ch)) { break } - pos++ - } - } - } - - if (pos < max && str.charCodeAt(pos) !== 0x0A) { - // garbage at the end of the line - return false - } - - const label = normalizeReference(str.slice(1, labelEnd)) - if (!label) { - // CommonMark 0.20 disallows empty labels - return false - } - - // Reference can not terminate anything. This check is for safety only. - /* istanbul ignore if */ - if (silent) { return true } - - if (typeof state.env.references === 'undefined') { - state.env.references = {} - } - if (typeof state.env.references[label] === 'undefined') { - state.env.references[label] = { title, href } - } - - state.line = nextLine - return true -} |
