Add APIs for getting bookmarks and named destinations.

fpdfsdk/src/fpdfview.cpp

Index: fpdfsdk/src/fpdfview.cpp
diff --git a/fpdfsdk/src/fpdfview.cpp b/fpdfsdk/src/fpdfview.cpp
index d8ec8c676a077e53189adb8b6df247b61e36b2dc..c88c41d6a64c9078e2a77ca71717603c887279f1 100644
--- a/fpdfsdk/src/fpdfview.cpp
+++ b/fpdfsdk/src/fpdfview.cpp
@@ -788,6 +788,21 @@ DLLEXPORT FPDF_DUPLEXTYPE STDCALL FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT documen
     return DuplexUndefined;
 }
 
+DLLEXPORT FPDF_DWORD STDCALL FPDF_CountNamedDests(FPDF_DOCUMENT document)
+{
+    if (!document) return 0;
+    CPDF_Document* pDoc = (CPDF_Document*)document;

[Tom Sepez, 2015/01/01 01:10:08]

nit: blank line here if you want to use one-line ifs.

[Bo Xu, 2015/01/05 22:46:52]

Done.

+    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;
+}
+
 DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_BYTESTRING name)
 {
 	if (document == NULL)
@@ -799,3 +814,42 @@ DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_
 	CPDF_NameTree name_tree(pDoc, FX_BSTRC("Dests"));
 	return name_tree.LookupNamedDest(pDoc, name);
 }
+
+DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, int index, std::string& name)
+{
+    if (!document || index < 0) return NULL;
+    CPDF_Document* pDoc = (CPDF_Document*)document;

[Tom Sepez, 2015/01/01 01:10:08]

nit: blank line.

[Bo Xu, 2015/01/05 22:46:52]

Done.

+    CPDF_Dictionary* pRoot = pDoc->GetRoot();
+    if (!pRoot) return NULL;
+
+    CPDF_Object* pDestObj = NULL;
+    CFX_ByteString bsName;
+

[Tom Sepez, 2015/01/01 01:10:08]

nit: no blank line

[Bo Xu, 2015/01/05 22:46:52]

Done.

+    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->GetType() != PDFOBJ_ARRAY)  return NULL;
+    CFX_WideString wsName = PDF_DecodeText(bsName);
+    CFX_ByteString utf16Name = wsName.UTF16LE_Encode();
+    name = utf16Name.c_str();
+    return (FPDF_DEST)pDestObj;
+}