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Diffstat (limited to 'fpdfsdk/fpdfdoc.cpp')
| -rw-r--r-- | fpdfsdk/fpdfdoc.cpp | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/fpdfsdk/fpdfdoc.cpp b/fpdfsdk/fpdfdoc.cpp deleted file mode 100644 index d8be12066a..0000000000 --- a/fpdfsdk/fpdfdoc.cpp +++ /dev/null @@ -1,429 +0,0 @@ -// 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 "public/fpdf_doc.h" - -#include <memory> -#include <set> - -#include "core/fpdfapi/page/cpdf_page.h" -#include "core/fpdfapi/parser/cpdf_array.h" -#include "core/fpdfapi/parser/cpdf_document.h" -#include "core/fpdfdoc/cpdf_bookmark.h" -#include "core/fpdfdoc/cpdf_bookmarktree.h" -#include "core/fpdfdoc/cpdf_dest.h" -#include "core/fpdfdoc/cpdf_pagelabel.h" -#include "fpdfsdk/cpdfsdk_helpers.h" -#include "third_party/base/ptr_util.h" -#include "third_party/base/stl_util.h" - -namespace { - -CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree, - CPDF_Bookmark bookmark, - const WideString& title, - std::set<CPDF_Dictionary*>* visited) { - // Return if already checked to avoid circular calling. - if (pdfium::ContainsKey(*visited, bookmark.GetDict())) - return CPDF_Bookmark(); - visited->insert(bookmark.GetDict()); - - if (bookmark.GetDict() && - bookmark.GetTitle().CompareNoCase(title.c_str()) == 0) { - // First check this item. - return bookmark; - } - - // Go into children items. - CPDF_Bookmark child = tree.GetFirstChild(bookmark); - while (child.GetDict() && !pdfium::ContainsKey(*visited, child.GetDict())) { - // Check this item and its children. - CPDF_Bookmark found = FindBookmark(tree, child, title, visited); - if (found.GetDict()) - return found; - child = tree.GetNextSibling(child); - } - return CPDF_Bookmark(); -} - -CPDF_LinkList* GetLinkList(CPDF_Page* page) { - if (!page) - return nullptr; - - CPDF_Document* pDoc = page->m_pDocument.Get(); - std::unique_ptr<CPDF_LinkList>* pHolder = pDoc->LinksContext(); - if (!pHolder->get()) - *pHolder = pdfium::MakeUnique<CPDF_LinkList>(); - return pHolder->get(); -} - -CPDF_Array* CPDFArrayFromDest(FPDF_DEST dest) { - return static_cast<CPDF_Array*>(dest); -} - -CPDF_Dictionary* CPDFDictionaryFromFPDFAction(FPDF_ACTION action) { - return ToDictionary(static_cast<CPDF_Object*>(action)); -} - -CPDF_Dictionary* CPDFDictionaryFromFPDFBookmark(FPDF_BOOKMARK bookmark) { - return ToDictionary(static_cast<CPDF_Object*>(bookmark)); -} - -CPDF_Dictionary* CPDFDictionaryFromFPDFLink(FPDF_LINK link) { - return ToDictionary(static_cast<CPDF_Object*>(link)); -} - -} // namespace - -FPDF_EXPORT FPDF_BOOKMARK FPDF_CALLCONV -FPDFBookmark_GetFirstChild(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict) { - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return nullptr; - CPDF_BookmarkTree tree(pDoc); - CPDF_Bookmark bookmark(CPDFDictionaryFromFPDFBookmark(pDict)); - return tree.GetFirstChild(bookmark).GetDict(); -} - -FPDF_EXPORT FPDF_BOOKMARK FPDF_CALLCONV -FPDFBookmark_GetNextSibling(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict) { - if (!pDict) - return nullptr; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return nullptr; - CPDF_BookmarkTree tree(pDoc); - CPDF_Bookmark bookmark(CPDFDictionaryFromFPDFBookmark(pDict)); - return tree.GetNextSibling(bookmark).GetDict(); -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV -FPDFBookmark_GetTitle(FPDF_BOOKMARK pDict, void* buffer, unsigned long buflen) { - if (!pDict) - return 0; - CPDF_Bookmark bookmark(CPDFDictionaryFromFPDFBookmark(pDict)); - WideString title = bookmark.GetTitle(); - return Utf16EncodeMaybeCopyAndReturnLength(title, buffer, buflen); -} - -FPDF_EXPORT FPDF_BOOKMARK FPDF_CALLCONV -FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title) { - if (!title || title[0] == 0) - return nullptr; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return nullptr; - CPDF_BookmarkTree tree(pDoc); - size_t len = WideString::WStringLength(title); - WideString encodedTitle = WideString::FromUTF16LE(title, len); - std::set<CPDF_Dictionary*> visited; - return FindBookmark(tree, CPDF_Bookmark(), encodedTitle, &visited).GetDict(); -} - -FPDF_EXPORT FPDF_DEST FPDF_CALLCONV FPDFBookmark_GetDest(FPDF_DOCUMENT document, - FPDF_BOOKMARK pDict) { - if (!pDict) - return nullptr; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return nullptr; - CPDF_Bookmark bookmark(CPDFDictionaryFromFPDFBookmark(pDict)); - CPDF_Dest dest = bookmark.GetDest(pDoc); - if (dest.GetObject()) - return dest.GetObject(); - // If this bookmark is not directly associated with a dest, we try to get - // action - CPDF_Action action = bookmark.GetAction(); - if (!action.GetDict()) - return nullptr; - return action.GetDest(pDoc).GetObject(); -} - -FPDF_EXPORT FPDF_ACTION FPDF_CALLCONV -FPDFBookmark_GetAction(FPDF_BOOKMARK pDict) { - if (!pDict) - return nullptr; - CPDF_Bookmark bookmark(CPDFDictionaryFromFPDFBookmark(pDict)); - return bookmark.GetAction().GetDict(); -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV FPDFAction_GetType(FPDF_ACTION pDict) { - if (!pDict) - return PDFACTION_UNSUPPORTED; - - CPDF_Action action(CPDFDictionaryFromFPDFAction(pDict)); - 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; - } -} - -FPDF_EXPORT FPDF_DEST FPDF_CALLCONV FPDFAction_GetDest(FPDF_DOCUMENT document, - FPDF_ACTION pDict) { - if (!pDict) - return nullptr; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return nullptr; - CPDF_Action action(CPDFDictionaryFromFPDFAction(pDict)); - return action.GetDest(pDoc).GetObject(); -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV -FPDFAction_GetFilePath(FPDF_ACTION pDict, void* buffer, unsigned long buflen) { - unsigned long type = FPDFAction_GetType(pDict); - if (type != PDFACTION_REMOTEGOTO && type != PDFACTION_LAUNCH) - return 0; - - CPDF_Action action(CPDFDictionaryFromFPDFAction(pDict)); - ByteString path = action.GetFilePath().UTF8Encode(); - unsigned long len = path.GetLength() + 1; - if (buffer && len <= buflen) - memcpy(buffer, path.c_str(), len); - return len; -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV -FPDFAction_GetURIPath(FPDF_DOCUMENT document, - FPDF_ACTION pDict, - void* buffer, - unsigned long buflen) { - if (!pDict) - return 0; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return 0; - CPDF_Action action(CPDFDictionaryFromFPDFAction(pDict)); - ByteString path = action.GetURI(pDoc); - unsigned long len = path.GetLength() + 1; - if (buffer && len <= buflen) - memcpy(buffer, path.c_str(), len); - return len; -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV -FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST dest) { - if (!dest) - return 0; - - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return 0; - - CPDF_Dest destination(CPDFArrayFromDest(dest)); - return destination.GetPageIndexDeprecated(pDoc); -} - -FPDF_EXPORT int FPDF_CALLCONV FPDFDest_GetDestPageIndex(FPDF_DOCUMENT document, - FPDF_DEST dest) { - if (!dest) - return -1; - - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return -1; - - CPDF_Dest destination(CPDFArrayFromDest(dest)); - return destination.GetDestPageIndex(pDoc); -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV -FPDFDest_GetView(FPDF_DEST pDict, - unsigned long* pNumParams, - FS_FLOAT* pParams) { - if (!pDict) { - *pNumParams = 0; - return 0; - } - - CPDF_Dest destination(CPDFArrayFromDest(pDict)); - unsigned long nParams = destination.GetNumParams(); - ASSERT(nParams <= 4); - *pNumParams = nParams; - for (unsigned long i = 0; i < nParams; ++i) - pParams[i] = destination.GetParam(i); - return destination.GetZoomMode(); -} - -FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV -FPDFDest_GetLocationInPage(FPDF_DEST pDict, - FPDF_BOOL* hasXVal, - FPDF_BOOL* hasYVal, - FPDF_BOOL* hasZoomVal, - FS_FLOAT* x, - FS_FLOAT* y, - FS_FLOAT* zoom) { - if (!pDict) - return false; - - auto dest = pdfium::MakeUnique<CPDF_Dest>(CPDFArrayFromDest(pDict)); - - // FPDF_BOOL is an int, GetXYZ expects bools. - bool bHasX; - bool bHasY; - bool bHasZoom; - if (!dest->GetXYZ(&bHasX, &bHasY, &bHasZoom, x, y, zoom)) - return false; - - *hasXVal = bHasX; - *hasYVal = bHasY; - *hasZoomVal = bHasZoom; - return true; -} - -FPDF_EXPORT FPDF_LINK FPDF_CALLCONV FPDFLink_GetLinkAtPoint(FPDF_PAGE page, - double x, - double y) { - CPDF_Page* pPage = CPDFPageFromFPDFPage(page); - if (!pPage) - return nullptr; - - CPDF_LinkList* pLinkList = GetLinkList(pPage); - if (!pLinkList) - return nullptr; - - return pLinkList - ->GetLinkAtPoint(pPage, - CFX_PointF(static_cast<float>(x), static_cast<float>(y)), - nullptr) - .GetDict(); -} - -FPDF_EXPORT int FPDF_CALLCONV FPDFLink_GetLinkZOrderAtPoint(FPDF_PAGE page, - double x, - double y) { - CPDF_Page* pPage = CPDFPageFromFPDFPage(page); - if (!pPage) - return -1; - - CPDF_LinkList* pLinkList = GetLinkList(pPage); - if (!pLinkList) - return -1; - - int z_order = -1; - pLinkList->GetLinkAtPoint( - pPage, CFX_PointF(static_cast<float>(x), static_cast<float>(y)), - &z_order); - return z_order; -} - -FPDF_EXPORT FPDF_DEST FPDF_CALLCONV FPDFLink_GetDest(FPDF_DOCUMENT document, - FPDF_LINK pDict) { - if (!pDict) - return nullptr; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return nullptr; - CPDF_Link link(CPDFDictionaryFromFPDFLink(pDict)); - FPDF_DEST dest = link.GetDest(pDoc).GetObject(); - 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.GetDict()) - return nullptr; - return action.GetDest(pDoc).GetObject(); -} - -FPDF_EXPORT FPDF_ACTION FPDF_CALLCONV FPDFLink_GetAction(FPDF_LINK pDict) { - if (!pDict) - return nullptr; - - CPDF_Link link(CPDFDictionaryFromFPDFLink(pDict)); - return link.GetAction().GetDict(); -} - -FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFLink_Enumerate(FPDF_PAGE page, - int* start_pos, - FPDF_LINK* link_annot) { - if (!start_pos || !link_annot) - return false; - CPDF_Page* pPage = CPDFPageFromFPDFPage(page); - if (!pPage || !pPage->m_pFormDict) - return false; - CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayFor("Annots"); - if (!pAnnots) - return false; - for (size_t i = *start_pos; i < pAnnots->GetCount(); i++) { - CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetDirectObjectAt(i)); - if (!pDict) - continue; - if (pDict->GetStringFor("Subtype") == "Link") { - *start_pos = static_cast<int>(i + 1); - *link_annot = static_cast<FPDF_LINK>(pDict); - return true; - } - } - return false; -} - -FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFLink_GetAnnotRect(FPDF_LINK link_annot, - FS_RECTF* rect) { - if (!link_annot || !rect) - return false; - CPDF_Dictionary* pAnnotDict = CPDFDictionaryFromFPDFLink(link_annot); - FSRECTFFromCFXFloatRect(pAnnotDict->GetRectFor("Rect"), rect); - return true; -} - -FPDF_EXPORT int FPDF_CALLCONV FPDFLink_CountQuadPoints(FPDF_LINK link_annot) { - const CPDF_Array* pArray = - GetQuadPointsArrayFromDictionary(CPDFDictionaryFromFPDFLink(link_annot)); - return pArray ? static_cast<int>(pArray->GetCount() / 8) : 0; -} - -FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV -FPDFLink_GetQuadPoints(FPDF_LINK link_annot, - int quad_index, - FS_QUADPOINTSF* quad_points) { - if (!quad_points || quad_index < 0) - return false; - return GetQuadPointsFromDictionary(CPDFDictionaryFromFPDFLink(link_annot), - static_cast<size_t>(quad_index), - quad_points); -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV FPDF_GetMetaText(FPDF_DOCUMENT document, - FPDF_BYTESTRING tag, - void* buffer, - unsigned long buflen) { - if (!tag) - return 0; - CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); - if (!pDoc) - return 0; - pDoc->LoadDocumentInfo(); - const CPDF_Dictionary* pInfo = pDoc->GetInfo(); - if (!pInfo) - return 0; - WideString text = pInfo->GetUnicodeTextFor(tag); - return Utf16EncodeMaybeCopyAndReturnLength(text, buffer, buflen); -} - -FPDF_EXPORT unsigned long FPDF_CALLCONV -FPDF_GetPageLabel(FPDF_DOCUMENT document, - int page_index, - void* buffer, - unsigned long buflen) { - if (page_index < 0) - return 0; - - // CPDF_PageLabel can deal with NULL |document|. - CPDF_PageLabel label(CPDFDocumentFromFPDFDocument(document)); - Optional<WideString> str = label.GetLabel(page_index); - return str.has_value() - ? Utf16EncodeMaybeCopyAndReturnLength(str.value(), buffer, buflen) - : 0; -} |