// 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/cpdf_action.h" #include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfapi/parser/cpdf_document.h" #include "core/fpdfdoc/cpdf_filespec.h" #include "core/fpdfdoc/cpdf_nametree.h" namespace { const 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->GetStringFor("S"); if (type != "GoTo" && type != "GoToR") return CPDF_Dest(); CPDF_Object* pDest = m_pDict->GetDirectObjectFor("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->GetStringFor("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->GetStringFor("S"); if (type != "GoToR" && type != "Launch" && type != "SubmitForm" && type != "ImportData") { return CFX_WideString(); } CPDF_Object* pFile = m_pDict->GetDirectObjectFor("F"); CFX_WideString path; if (!pFile) { if (type == "Launch") { CPDF_Dictionary* pWinDict = m_pDict->GetDictFor("Win"); if (pWinDict) { return CFX_WideString::FromLocal( pWinDict->GetStringFor("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->GetStringFor("S") != "URI") return csURI; csURI = m_pDict->GetStringFor("URI"); CPDF_Dictionary* pRoot = pDoc->GetRoot(); CPDF_Dictionary* pURI = pRoot->GetDictFor("URI"); if (pURI) { if (csURI.Find(":", 0) < 1) csURI = pURI->GetStringFor("Base") + csURI; } return csURI; } CFX_WideString CPDF_Action::GetJavaScript() const { CFX_WideString csJS; if (!m_pDict) return csJS; CPDF_Object* pJS = m_pDict->GetDirectObjectFor("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->GetDirectObjectFor("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->GetDirectObjectFor("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(); }