Initial commit.

1 files changed, 259 insertions, 0 deletions

diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
new file mode 100644
index 0000000000..d5d9000bd2
--- /dev/null
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -0,0 +1,259 @@
+// Copyright 2014 PDFium Authors. All rights reserved.

+// Use of this source code is governed by a BSD-style license that can be

+// found in the LICENSE file.

+ 

+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

+

+#include "../include/fsdk_define.h"

+#include "../include/fpdfdoc.h"

+

+static int this_module = 0;

+

+static CPDF_Bookmark FindBookmark(CPDF_BookmarkTree& tree, CPDF_Bookmark This, const CFX_WideString& title)

+{

+	if (This != NULL) {

+		// First check this item

+		CFX_WideString this_title = This.GetTitle();

+		if (this_title.CompareNoCase(title) == 0)

+			return This;

+	}

+	// go into children items

+	CPDF_Bookmark Child = tree.GetFirstChild(This);

+	while (Child != NULL) {

+		// check if this item

+		CPDF_Bookmark Found = FindBookmark(tree, Child, title);

+		if (Found) return Found;

+		Child = tree.GetNextSibling(Child);

+	}

+	return NULL;

+}

+

+DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title)

+{

+	if (document == NULL) return NULL;

+	if (title == NULL || title[0] == 0) return NULL;

+

+	CPDF_Document* pDoc = (CPDF_Document*)document;

+	CPDF_BookmarkTree tree(pDoc);

+

+	CFX_WideString wstr = CFX_WideString::FromUTF16LE(title);

+	return FindBookmark(tree, NULL, wstr);

+}

+

+DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark)

+{

+	if (document == NULL) return NULL;

+	if (bookmark == NULL) return NULL;

+

+	CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark;

+	CPDF_Document* pDoc = (CPDF_Document*)document;

+	CPDF_Dest dest = Bookmark.GetDest(pDoc);

+	if (dest != NULL) return dest;

+

+	// If this bookmark is not directly associated with a dest, we try to get action

+	CPDF_Action Action = Bookmark.GetAction();

+	if (Action == NULL) return NULL;

+	return Action.GetDest(pDoc);

+}

+

+DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK bookmark)

+{

+	if (bookmark == NULL) return NULL;

+

+	CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark;

+	return Bookmark.GetAction();

+}

+

+DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION action)

+{

+	if (action == NULL) return 0;

+

+	CPDF_Action Action = (CPDF_Dictionary*)action;

+	CPDF_Action::ActionType type = Action.GetType();

+	switch (type) {

+	case CPDF_Action::GoTo:

+		return PDFACTION_GOTO;

+	case CPDF_Action::GoToR:

+		return PDFACTION_REMOTEGOTO;

+	case CPDF_Action::URI:

+		return PDFACTION_URI;

+	case CPDF_Action::Launch:

+		return PDFACTION_LAUNCH;

+	default:

+		return PDFACTION_UNSUPPORTED;

+	}

+	return PDFACTION_UNSUPPORTED;

+}

+

+DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, FPDF_ACTION action)

+{

+	if (document == NULL) return NULL;

+	if (action == NULL) return NULL;

+	CPDF_Document* pDoc = (CPDF_Document*)document;

+	CPDF_Action Action = (CPDF_Dictionary*)action;

+

+	return Action.GetDest(pDoc);

+}

+

+DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION action, 

+											  void* buffer, unsigned long buflen)

+{

+	if (document == NULL) return 0;

+	if (action == NULL) return 0;

+	CPDF_Document* pDoc = (CPDF_Document*)document;

+	CPDF_Action Action = (CPDF_Dictionary*)action;

+

+	CFX_ByteString path = Action.GetURI(pDoc);

+	unsigned long len = path.GetLength() + 1;

+	if (buffer != NULL && buflen >= len)

+		FXSYS_memcpy(buffer, (FX_LPCSTR)path, len);

+	return len;

+}

+

+DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST dest)

+{

+	if (document == NULL) return 0;

+	if (dest == NULL) return 0;

+	CPDF_Document* pDoc = (CPDF_Document*)document;

+	CPDF_Dest Dest = (CPDF_Array*)dest;

+

+	return Dest.GetPageIndex(pDoc);

+}

+

+static void ReleaseLinkList(FX_LPVOID data)

+{

+	delete (CPDF_LinkList*)data;

+}

+

+DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y)

+{

+	if (page == NULL) return NULL;

+	CPDF_Page* pPage = (CPDF_Page*)page;

+

+	// Link list is stored with the document

+	CPDF_Document* pDoc = pPage->m_pDocument;

+	CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&this_module);

+	if (pLinkList == NULL) {

+		pLinkList = FX_NEW CPDF_LinkList(pDoc);

+		pDoc->SetPrivateData(&this_module, pLinkList, ReleaseLinkList);

+	}

+

+	return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y);

+}

+

+DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK link)

+{

+	if (document == NULL) return NULL;

+	CPDF_Document* pDoc = (CPDF_Document*)document;

+	if (link == NULL) return NULL;

+	CPDF_Link Link = (CPDF_Dictionary*)link;

+

+	FPDF_DEST dest = Link.GetDest(pDoc);

+	if (dest) return dest;

+

+	// If this link is not directly associated with a dest, we try to get action

+	CPDF_Action Action = Link.GetAction();

+	if (Action == NULL) return NULL;

+	return Action.GetDest(pDoc);

+}

+

+DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK link)

+{

+	if (link == NULL) return NULL;

+	CPDF_Link Link = (CPDF_Dictionary*)link;

+

+	return Link.GetAction();

+}

+

+DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, int* startPos, FPDF_LINK* linkAnnot)

+{

+	if(!page || !startPos || !linkAnnot)

+		return FALSE;

+	CPDF_Page* pPage = (CPDF_Page*)page;

+	if(!pPage->m_pFormDict) return FALSE;

+	CPDF_Array* pAnnots = pPage->m_pFormDict->GetArray("Annots");

+	if(!pAnnots) return FALSE;

+	for (int i = *startPos; i < (int)pAnnots->GetCount(); i ++) {

+		CPDF_Dictionary* pDict = (CPDF_Dictionary*)pAnnots->GetElementValue(i);

+		if (pDict == NULL || pDict->GetType() != PDFOBJ_DICTIONARY) continue;

+		if(pDict->GetString(FX_BSTRC("Subtype")).Equal(FX_BSTRC("Link")))

+		{

+			*startPos = i+1;

+			*linkAnnot = (FPDF_LINK)pDict; 

+			return TRUE;

+		}

+	}

+	return FALSE;

+}

+

+DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot, FS_RECTF* rect)

+{

+	if(!linkAnnot || !rect)

+		return FALSE;

+	CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;

+	CPDF_Rect rt = pAnnotDict->GetRect(FX_BSTRC("Rect"));

+	rect->left = rt.left;

+	rect->bottom = rt.bottom;

+	rect->right = rt.right;

+	rect->top = rt.top;

+	return TRUE;

+}

+

+DLLEXPORT int STDCALL FPDFLink_CountQuadPoints(FPDF_LINK linkAnnot)

+{

+	if(!linkAnnot)

+		return 0;

+	CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;

+	CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));

+	if (pArray == NULL)

+		return 0;

+	else

+		return pArray->GetCount() / 8;

+}

+

+DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, int quadIndex, FS_QUADPOINTSF* quadPoints)

+{

+	if(!linkAnnot || !quadPoints)

+		return FALSE;

+	CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;

+	CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));

+	if (pArray) {

+		if (0 > quadIndex || quadIndex >= (int)pArray->GetCount()/8 ||

+			((quadIndex*8+7) >= (int)pArray->GetCount())) return FALSE;

+		quadPoints->x1 = pArray->GetNumber(quadIndex*8);

+		quadPoints->y1 = pArray->GetNumber(quadIndex*8+1);

+		quadPoints->x2 = pArray->GetNumber(quadIndex*8+2);

+		quadPoints->y2 = pArray->GetNumber(quadIndex*8+3);

+		quadPoints->x3 = pArray->GetNumber(quadIndex*8+4);

+		quadPoints->y3 = pArray->GetNumber(quadIndex*8+5);

+		quadPoints->x4 = pArray->GetNumber(quadIndex*8+6);

+		quadPoints->y4 = pArray->GetNumber(quadIndex*8+7);

+		return TRUE;

+	} 

+	return FALSE;

+}

+

+

+DLLEXPORT unsigned long STDCALL FPDF_GetMetaText(FPDF_DOCUMENT doc, FPDF_BYTESTRING tag,

+												 void* buffer, unsigned long buflen)

+{

+	if (doc == NULL || tag == NULL) return 0;

+

+	CPDF_Document* pDoc = (CPDF_Document*)doc;

+	// Get info dictionary

+	CPDF_Dictionary* pInfo = pDoc->GetInfo();

+	if (pInfo == NULL) return 0;

+

+	CFX_WideString text = pInfo->GetUnicodeText(tag);

+

+	// Use UTF-16LE encoding

+	CFX_ByteString bstr = text.UTF16LE_Encode();

+	unsigned long len = bstr.GetLength();

+	if (buffer != NULL || buflen >= len+2) {

+		FXSYS_memcpy(buffer, (FX_LPCSTR)bstr, len);

+		// use double zero as trailer

+		((FX_BYTE*)buffer)[len] = ((FX_BYTE*)buffer)[len+1] = 0;

+	}

+	return len+2;

+}

+