diff options
Diffstat (limited to 'core/fpdfdoc/cpdf_action.cpp')
-rw-r--r-- | core/fpdfdoc/cpdf_action.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/core/fpdfdoc/cpdf_action.cpp b/core/fpdfdoc/cpdf_action.cpp new file mode 100644 index 0000000000..86fc20ef2f --- /dev/null +++ b/core/fpdfdoc/cpdf_action.cpp @@ -0,0 +1,137 @@ +// Copyright 2016 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 "core/fpdfdoc/include/cpdf_action.h" + +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfdoc/include/cpdf_filespec.h" +#include "core/fpdfdoc/include/cpdf_nametree.h" + +namespace { + +const FX_CHAR* const g_sATypes[] = { + "Unknown", "GoTo", "GoToR", "GoToE", "Launch", + "Thread", "URI", "Sound", "Movie", "Hide", + "Named", "SubmitForm", "ResetForm", "ImportData", "JavaScript", + "SetOCGState", "Rendition", "Trans", "GoTo3DView", nullptr}; + +} // namespace + +CPDF_Dest CPDF_Action::GetDest(CPDF_Document* pDoc) const { + if (!m_pDict) + return CPDF_Dest(); + + CFX_ByteString type = m_pDict->GetStringBy("S"); + if (type != "GoTo" && type != "GoToR") + return CPDF_Dest(); + + CPDF_Object* pDest = m_pDict->GetDirectObjectBy("D"); + if (!pDest) + return CPDF_Dest(); + if (pDest->IsString() || pDest->IsName()) { + CPDF_NameTree name_tree(pDoc, "Dests"); + return CPDF_Dest(name_tree.LookupNamedDest(pDoc, pDest->GetString())); + } + if (CPDF_Array* pArray = pDest->AsArray()) + return CPDF_Dest(pArray); + + return CPDF_Dest(); +} + +CPDF_Action::ActionType CPDF_Action::GetType() const { + if (!m_pDict) + return Unknown; + + CFX_ByteString csType = m_pDict->GetStringBy("S"); + if (csType.IsEmpty()) + return Unknown; + + for (int i = 0; g_sATypes[i]; ++i) { + if (csType == g_sATypes[i]) + return static_cast<ActionType>(i); + } + return Unknown; +} + +CFX_WideString CPDF_Action::GetFilePath() const { + CFX_ByteString type = m_pDict->GetStringBy("S"); + if (type != "GoToR" && type != "Launch" && type != "SubmitForm" && + type != "ImportData") { + return CFX_WideString(); + } + + CPDF_Object* pFile = m_pDict->GetDirectObjectBy("F"); + CFX_WideString path; + if (!pFile) { + if (type == "Launch") { + CPDF_Dictionary* pWinDict = m_pDict->GetDictBy("Win"); + if (pWinDict) { + return CFX_WideString::FromLocal( + pWinDict->GetStringBy("F").AsStringC()); + } + } + return path; + } + + CPDF_FileSpec filespec(pFile); + filespec.GetFileName(&path); + return path; +} + +CFX_ByteString CPDF_Action::GetURI(CPDF_Document* pDoc) const { + CFX_ByteString csURI; + if (!m_pDict) + return csURI; + if (m_pDict->GetStringBy("S") != "URI") + return csURI; + + csURI = m_pDict->GetStringBy("URI"); + CPDF_Dictionary* pRoot = pDoc->GetRoot(); + CPDF_Dictionary* pURI = pRoot->GetDictBy("URI"); + if (pURI) { + if (csURI.Find(":", 0) < 1) + csURI = pURI->GetStringBy("Base") + csURI; + } + return csURI; +} + +CFX_WideString CPDF_Action::GetJavaScript() const { + CFX_WideString csJS; + if (!m_pDict) + return csJS; + + CPDF_Object* pJS = m_pDict->GetDirectObjectBy("JS"); + return pJS ? pJS->GetUnicodeText() : csJS; +} + +size_t CPDF_Action::GetSubActionsCount() const { + if (!m_pDict || !m_pDict->KeyExist("Next")) + return 0; + + CPDF_Object* pNext = m_pDict->GetDirectObjectBy("Next"); + if (!pNext) + return 0; + if (pNext->IsDictionary()) + return 1; + if (CPDF_Array* pArray = pNext->AsArray()) + return pArray->GetCount(); + return 0; +} + +CPDF_Action CPDF_Action::GetSubAction(size_t iIndex) const { + if (!m_pDict || !m_pDict->KeyExist("Next")) + return CPDF_Action(); + + CPDF_Object* pNext = m_pDict->GetDirectObjectBy("Next"); + if (CPDF_Dictionary* pDict = ToDictionary(pNext)) { + if (iIndex == 0) + return CPDF_Action(pDict); + } else if (CPDF_Array* pArray = ToArray(pNext)) { + return CPDF_Action(pArray->GetDictAt(iIndex)); + } + return CPDF_Action(); +} |