DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, int index, void* buffer, long* buflen)
{
if (!buffer)
*buflen = 0;
if (!document || index < 0) return NULL;
CPDF_Document* pDoc = (CPDF_Document*)document;
CPDF_Dictionary* pRoot = pDoc->GetRoot();
if (!pRoot) return NULL;
CPDF_Object* pDestObj = NULL;
CFX_ByteString bsName;
CPDF_NameTree nameTree(pDoc, FX_BSTRC("Dests"));
int count = nameTree.GetCount();
if (index >= count) {
CPDF_Dictionary* pDest = pRoot->GetDict(FX_BSTRC("Dests"));
if (!pDest) return NULL;
if (index >= count + pDest->GetCount()) return NULL;
index -= count;
FX_POSITION pos = pDest->GetStartPos();
int i = 0;
while (pos) {
pDestObj = pDest->GetNextElement(pos, bsName);
if (!pDestObj) continue;
if (i == index) break;
i++;
}
} else {
pDestObj = nameTree.LookupValue(index, bsName);
}
if (!pDestObj) return NULL;
if (pDestObj->GetType() == PDFOBJ_DICTIONARY) {
pDestObj = ((CPDF_Dictionary*)pDestObj)->GetArray(FX_BSTRC("D"));
if (!pDestObj) return NULL;
}
if (pDestObj->GetType() != PDFOBJ_ARRAY) return NULL;
CFX_WideString wsName = PDF_DecodeText(bsName);
CFX_ByteString utf16Name = wsName.UTF16LE_Encode();
unsigned int len = utf16Name.GetLength();
if (!buffer) {
*buflen = len;
} else if (*buflen >= len) {
memcpy(buffer, utf16Name.c_str(), len);
*buflen = len;
} else {
*buflen = -1;
}
return (FPDF_DEST)pDestObj;
}
DLLEXPORT FPDF_DWORD STDCALL FPDF_CountNamedDests(FPDF_DOCUMENT document)
{
if (!document) return 0;
CPDF_Document* pDoc = (CPDF_Document*)document;
CPDF_Dictionary* pRoot = pDoc->GetRoot();
if (!pRoot) return 0;
CPDF_NameTree nameTree(pDoc, FX_BSTRC("Dests"));
int count = nameTree.GetCount();
CPDF_Dictionary* pDest = pRoot->GetDict(FX_BSTRC("Dests"));
if (pDest)
count += pDest->GetCount();
return count;
}