// 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 <vector> #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" #include "core/fpdfdoc/include/fpdf_doc.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}; const FX_CHAR* g_sAATypes[] = {"E", "X", "D", "U", "Fo", "Bl", "PO", "PC", "PV", "PI", "O", "C", "K", "F", "V", "C", "WC", "WS", "DS", "WP", "DP", ""}; } // 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; } size_t CPDF_ActionFields::GetFieldsCount() const { if (!m_pAction) { return 0; } CPDF_Dictionary* pDict = m_pAction->GetDict(); if (!pDict) { return 0; } CFX_ByteString csType = pDict->GetStringBy("S"); CPDF_Object* pFields = nullptr; if (csType == "Hide") { pFields = pDict->GetDirectObjectBy("T"); } else { pFields = pDict->GetArrayBy("Fields"); } if (!pFields) return 0; if (pFields->IsDictionary()) return 1; if (pFields->IsString()) return 1; if (CPDF_Array* pArray = pFields->AsArray()) return pArray->GetCount(); return 0; } std::vector<CPDF_Object*> CPDF_ActionFields::GetAllFields() const { std::vector<CPDF_Object*> fields; if (!m_pAction) return fields; CPDF_Dictionary* pDict = m_pAction->GetDict(); if (!pDict) return fields; CFX_ByteString csType = pDict->GetStringBy("S"); CPDF_Object* pFields; if (csType == "Hide") pFields = pDict->GetDirectObjectBy("T"); else pFields = pDict->GetArrayBy("Fields"); if (!pFields) return fields; if (pFields->IsDictionary() || pFields->IsString()) { fields.push_back(pFields); } else if (CPDF_Array* pArray = pFields->AsArray()) { for (size_t i = 0; i < pArray->GetCount(); ++i) { CPDF_Object* pObj = pArray->GetDirectObjectAt(i); if (pObj) { fields.push_back(pObj); } } } return fields; } CPDF_Object* CPDF_ActionFields::GetField(size_t iIndex) const { if (!m_pAction) { return nullptr; } CPDF_Dictionary* pDict = m_pAction->GetDict(); if (!pDict) { return nullptr; } CFX_ByteString csType = pDict->GetStringBy("S"); CPDF_Object* pFields = nullptr; if (csType == "Hide") { pFields = pDict->GetDirectObjectBy("T"); } else { pFields = pDict->GetArrayBy("Fields"); } if (!pFields) { return nullptr; } CPDF_Object* pFindObj = nullptr; if (pFields->IsDictionary() || pFields->IsString()) { if (iIndex == 0) pFindObj = pFields; } else if (CPDF_Array* pArray = pFields->AsArray()) { pFindObj = pArray->GetDirectObjectAt(iIndex); } return pFindObj; } 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(); } FX_BOOL CPDF_AAction::ActionExist(AActionType eType) const { return m_pDict && m_pDict->KeyExist(g_sAATypes[eType]); } CPDF_Action CPDF_AAction::GetAction(AActionType eType) const { if (!m_pDict) return CPDF_Action(); return CPDF_Action(m_pDict->GetDictBy(g_sAATypes[eType])); } CPDF_DocJSActions::CPDF_DocJSActions(CPDF_Document* pDoc) : m_pDocument(pDoc) {} int CPDF_DocJSActions::CountJSActions() const { ASSERT(m_pDocument); CPDF_NameTree name_tree(m_pDocument, "JavaScript"); return name_tree.GetCount(); } CPDF_Action CPDF_DocJSActions::GetJSAction(int index, CFX_ByteString& csName) const { ASSERT(m_pDocument); CPDF_NameTree name_tree(m_pDocument, "JavaScript"); CPDF_Object* pAction = name_tree.LookupValue(index, csName); if (!ToDictionary(pAction)) { return CPDF_Action(); } return CPDF_Action(pAction->GetDict()); } CPDF_Action CPDF_DocJSActions::GetJSAction(const CFX_ByteString& csName) const { ASSERT(m_pDocument); CPDF_NameTree name_tree(m_pDocument, "JavaScript"); CPDF_Object* pAction = name_tree.LookupValue(csName); if (!ToDictionary(pAction)) { return CPDF_Action(); } return CPDF_Action(pAction->GetDict()); } int CPDF_DocJSActions::FindJSAction(const CFX_ByteString& csName) const { ASSERT(m_pDocument); CPDF_NameTree name_tree(m_pDocument, "JavaScript"); return name_tree.GetIndex(csName); }