static void WalkChmTocOrIndex(EbookTocVisitor *visitor, HtmlElement *list, UINT cp, bool isIndex, int level=1)
{
CrashIf(Tag_Ul != list->tag);
// some broken ToCs wrap every <li> into its own <ul>
for (; list && Tag_Ul == list->tag; list = list->next) {
for (HtmlElement *el = list->down; el; el = el->next) {
if (Tag_Li != el->tag)
continue; // ignore unexpected elements
bool valid;
HtmlElement *elObj = el->GetChildByTag(Tag_Object);
if (!elObj)
valid = false;
else if (isIndex)
valid = VisitChmIndexItem(visitor, elObj, cp, level);
else
valid = VisitChmTocItem(visitor, elObj, cp, level);
if (!valid)
continue; // skip incomplete elements and all their children
HtmlElement *nested = el->GetChildByTag(Tag_Ul);
// some broken ToCs have the <ul> follow right *after* a <li>
if (!nested && el->next && Tag_Ul == el->next->tag)
nested = el->next;
if (nested)
WalkChmTocOrIndex(visitor, nested, cp, isIndex, level + 1);
}
}
}
// ignores any <ul><li> list structure and just extracts a linear list of <object type="text/sitemap">...</object>
static bool WalkBrokenChmTocOrIndex(EbookTocVisitor* visitor, HtmlParser& p, UINT cp, bool isIndex) {
bool hadOne = false;
HtmlElement* el = p.FindElementByName("body");
while ((el = p.FindElementByName("object", el)) != nullptr) {
AutoFreeW type(el->GetAttribute("type"));
if (!str::EqI(type, L"text/sitemap"))
continue;
if (isIndex)
hadOne |= VisitChmIndexItem(visitor, el, cp, 1);
else
hadOne |= VisitChmTocItem(visitor, el, cp, 1);
}
return hadOne;
}
