private void appendSource(
final StringBuilder builder,
final int start,
final int end,
boolean escapeSource,
boolean sourceEscaped) {
if (sourceEscaped == escapeSource) {
append(builder, codePoints.substring(start, end), escapeSource, sourceEscaped);
} else if (escapeSource) {
append(builder, escape(codePoints.substring(start, end)), true, sourceEscaped);
} else {
append(builder, unescape(codePoints.substring(start, end)), false, sourceEscaped);
}
}
public Pair<String, List<SpanItem>> buildWithIndices() {
List<SpanItem> items = new ArrayList<>();
if (links.isEmpty()) return Pair.create(escapeSource(source), items);
Collections.sort(links);
final StringBuilder sb = new StringBuilder();
final int linksSize = links.size();
for (int i = 0; i < linksSize; i++) {
final LinkSpec spec = links.get(i);
if (spec == null) {
continue;
}
final int start = spec.start, end = spec.end;
if (i == 0) {
if (start >= 0 && start <= codePointsLength) {
appendSource(sb, 0, start, false, sourceIsEscaped);
}
} else if (i > 0) {
final int lastEnd = links.get(i - 1).end;
if (lastEnd >= 0 && lastEnd <= start && start <= codePointsLength) {
appendSource(sb, lastEnd, start, false, sourceIsEscaped);
}
}
int spanStart = sb.length();
if (start >= 0 && start <= end && end <= codePointsLength) {
if (isEmpty(spec.display)) {
append(sb, spec.link, false, false);
} else {
append(sb, spec.display, false, spec.displayIsHtml);
}
}
final SpanItem item = new SpanItem();
item.start = spanStart;
item.end = sb.length();
item.link = spec.link;
items.add(item);
if (i == linksSize - 1 && end >= 0 && end <= codePointsLength) {
appendSource(sb, end, codePointsLength, false, sourceIsEscaped);
}
}
return Pair.create(sb.toString(), items);
}
public String build() {
if (links.isEmpty()) return escapeSource(source);
Collections.sort(links);
final StringBuilder sb = new StringBuilder();
final int linksSize = links.size();
for (int i = 0; i < linksSize; i++) {
final LinkSpec spec = links.get(i);
if (spec == null) {
continue;
}
final int start = spec.start, end = spec.end;
if (i == 0) {
if (start >= 0 && start <= codePointsLength) {
appendSource(sb, 0, start, shouldReEscape, sourceIsEscaped);
}
} else if (i > 0) {
final int lastEnd = links.get(i - 1).end;
if (lastEnd >= 0 && lastEnd <= start && start <= codePointsLength) {
appendSource(sb, lastEnd, start, shouldReEscape, sourceIsEscaped);
}
}
sb.append("<a href=\"");
sb.append(spec.link);
sb.append("\">");
if (start >= 0 && start <= end && end <= codePointsLength) {
if (isEmpty(spec.display)) {
append(sb, spec.link, shouldReEscape, false);
} else {
append(sb, spec.display, shouldReEscape, spec.displayIsHtml);
}
}
sb.append("</a>");
if (i == linksSize - 1 && end >= 0 && end <= codePointsLength) {
appendSource(sb, end, codePointsLength, shouldReEscape, sourceIsEscaped);
}
}
return sb.toString();
}