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// Definition lists
'use strict';
// Search `[:~][\n ]`, returns next pos after marker on success
// or -1 on fail.
function skipMarker(state, line) {
var pos, marker,
start = state.bMarks[line] + state.tShift[line],
max = state.eMarks[line];
if (start >= max) { return -1; }
// Check bullet
marker = state.src.charCodeAt(start++);
if (marker !== 0x7E/* ~ */ && marker !== 0x3A/* : */) { return -1; }
pos = state.skipSpaces(start);
// require space after ":"
if (start === pos) { return -1; }
// no empty definitions, e.g. " : "
if (pos >= max) { return -1; }
return pos;
}
function markTightParagraphs(state, idx) {
var i, l,
level = state.level + 2;
for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {
state.tokens[i + 2].tight = true;
state.tokens[i].tight = true;
i += 2;
}
}
}
module.exports = function deflist(state, startLine, endLine, silent) {
var contentStart,
ddLine,
dtLine,
itemLines,
listLines,
listTokIdx,
nextLine,
oldIndent,
oldDDIndent,
oldParentType,
oldTShift,
oldTight,
prevEmptyEnd,
tight;
if (silent) {
// quirk: validation mode validates a dd block only, not a whole deflist
if (state.ddIndent < 0) { return false; }
return skipMarker(state, startLine) >= 0;
}
nextLine = startLine + 1;
if (state.isEmpty(nextLine)) {
if (++nextLine > endLine) { return false; }
}
if (state.tShift[nextLine] < state.blkIndent) { return false; }
contentStart = skipMarker(state, nextLine);
if (contentStart < 0) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
// Start list
listTokIdx = state.tokens.length;
state.tokens.push({
type: 'dl_open',
lines: listLines = [ startLine, 0 ],
level: state.level++
});
//
// Iterate list items
//
dtLine = startLine;
ddLine = nextLine;
// One definition list can contain multiple DTs,
// and one DT can be followed by multiple DDs.
//
// Thus, there is two loops here, and label is
// needed to break out of the second one
//
/*eslint no-labels:0,block-scoped-var:0*/
OUTER:
for (;;) {
tight = true;
prevEmptyEnd = false;
state.tokens.push({
type: 'dt_open',
lines: [ dtLine, dtLine ],
level: state.level++
});
state.tokens.push({
type: 'inline',
content: state.getLines(dtLine, dtLine + 1, state.blkIndent, false).trim(),
level: state.level + 1,
lines: [ dtLine, dtLine ],
children: []
});
state.tokens.push({
type: 'dt_close',
level: --state.level
});
for (;;) {
state.tokens.push({
type: 'dd_open',
lines: itemLines = [ nextLine, 0 ],
level: state.level++
});
oldTight = state.tight;
oldDDIndent = state.ddIndent;
oldIndent = state.blkIndent;
oldTShift = state.tShift[ddLine];
oldParentType = state.parentType;
state.blkIndent = state.ddIndent = state.tShift[ddLine] + 2;
state.tShift[ddLine] = contentStart - state.bMarks[ddLine];
state.tight = true;
state.parentType = 'deflist';
state.parser.tokenize(state, ddLine, endLine, true);
// If any of list item is tight, mark list as tight
if (!state.tight || prevEmptyEnd) {
tight = false;
}
// Item become loose if finish with empty line,
// but we should filter last element, because it means list finish
prevEmptyEnd = (state.line - ddLine) > 1 && state.isEmpty(state.line - 1);
state.tShift[ddLine] = oldTShift;
state.tight = oldTight;
state.parentType = oldParentType;
state.blkIndent = oldIndent;
state.ddIndent = oldDDIndent;
state.tokens.push({
type: 'dd_close',
level: --state.level
});
itemLines[1] = nextLine = state.line;
if (nextLine >= endLine) { break OUTER; }
if (state.tShift[nextLine] < state.blkIndent) { break OUTER; }
contentStart = skipMarker(state, nextLine);
if (contentStart < 0) { break; }
ddLine = nextLine;
// go to the next loop iteration:
// insert DD tag and repeat checking
}
if (nextLine >= endLine) { break; }
dtLine = nextLine;
if (state.isEmpty(dtLine)) { break; }
if (state.tShift[dtLine] < state.blkIndent) { break; }
ddLine = dtLine + 1;
if (ddLine >= endLine) { break; }
if (state.isEmpty(ddLine)) { ddLine++; }
if (ddLine >= endLine) { break; }
if (state.tShift[ddLine] < state.blkIndent) { break; }
contentStart = skipMarker(state, ddLine);
if (contentStart < 0) { break; }
// go to the next loop iteration:
// insert DT and DD tags and repeat checking
}
// Finilize list
state.tokens.push({
type: 'dl_close',
level: --state.level
});
listLines[1] = nextLine;
state.line = nextLine;
// mark paragraphs tight if needed
if (tight) {
markTightParagraphs(state, listTokIdx);
}
return true;
};