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authorBo Xu <bo_xu@foxitsoftware.com>2015-01-10 22:52:59 -0800
committerBo Xu <bo_xu@foxitsoftware.com>2015-01-10 22:52:59 -0800
commit476cd69a6f5c5096a3145e0c4d567010f37739c3 (patch)
tree3ae201980b163ff06311858863402ee96feea266 /fpdfsdk/src
parentf8105c665856863ad95da37fee6c12b98b953e2c (diff)
downloadpdfium-476cd69a6f5c5096a3145e0c4d567010f37739c3.tar.xz
Add APIs for getting bookmarks and named destinations.
R=tsepez@chromium.org Review URL: https://codereview.chromium.org/834703002
Diffstat (limited to 'fpdfsdk/src')
-rw-r--r--fpdfsdk/src/fpdfdoc.cpp36
-rw-r--r--fpdfsdk/src/fpdfview.cpp69
2 files changed, 103 insertions, 2 deletions
diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
index ab2351f9d8..feb7cfbde5 100644
--- a/fpdfsdk/src/fpdfdoc.cpp
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -27,6 +27,42 @@ static CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree, CPDF_Bookmark b
return CPDF_Bookmark();
}
+DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_GetFirstChild(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict)
+{
+ if (!document || !pDict)
+ return NULL;
+ CPDF_Document* pDoc = (CPDF_Document*)document;
+ CPDF_BookmarkTree tree(pDoc);
+ CPDF_Bookmark bookmark = CPDF_Bookmark((CPDF_Dictionary*)pDict);
+ return tree.GetFirstChild(bookmark).GetDict();
+}
+
+DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_GetNextSibling(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict)
+{
+ if (!document || !pDict)
+ return NULL;
+ CPDF_Document* pDoc = (CPDF_Document*)document;
+ CPDF_BookmarkTree tree(pDoc);
+ CPDF_Bookmark bookmark = CPDF_Bookmark((CPDF_Dictionary*)pDict);
+ return tree.GetNextSibling(bookmark).GetDict();
+}
+
+DLLEXPORT unsigned long STDCALL FPDFBookmark_GetTitle(FPDF_BOOKMARK pDict, void* buffer, unsigned long buflen)
+{
+ if (!pDict)
+ return 0;
+ CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict);
+ CFX_WideString title = bookmark.GetTitle();
+ CFX_ByteString encodedTitle = title.UTF16LE_Encode(FALSE);
+ unsigned long len = encodedTitle.GetLength();
+ if (buffer && buflen >= len + 2) {
+ FXSYS_memcpy(buffer, encodedTitle.c_str(), len);
+ ((FX_BYTE*)buffer)[len] = 0;
+ ((FX_BYTE*)buffer)[len + 1] = 0;
+ }
+ return len + 2;
+}
+
DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title)
{
if (!document)
diff --git a/fpdfsdk/src/fpdfview.cpp b/fpdfsdk/src/fpdfview.cpp
index 653702382c..43feaf4d5a 100644
--- a/fpdfsdk/src/fpdfview.cpp
+++ b/fpdfsdk/src/fpdfview.cpp
@@ -789,14 +789,79 @@ 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;
+
+ 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)
+ if (!document)
return NULL;
- if (name == NULL || name[0] == 0)
+ if (!name || name[0] == 0)
return NULL;
CPDF_Document* pDoc = (CPDF_Document*)document;
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, void* buffer, unsigned 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->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 + 2;
+ } else if (buflen >= len + 2) {
+ memcpy(buffer, utf16Name.c_str(), len);
+ ((FX_BYTE*)buffer)[len] = 0;
+ ((FX_BYTE*)buffer)[len + 1] = 0;
+ } else {
+ len = -1;
+ }
+ return (FPDF_DEST)pDestObj;
+}