// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include <vector>
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#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
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#include "core/fpdfdoc/include/fpdf_doc.h"
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namespace {
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const FX_CHAR* const g_sATypes[] = {
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"Unknown", "GoTo", "GoToR", "GoToE", "Launch",
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"Thread", "URI", "Sound", "Movie", "Hide",
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"Named", "SubmitForm", "ResetForm", "ImportData", "JavaScript",
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"SetOCGState", "Rendition", "Trans", "GoTo3DView", nullptr};
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const FX_CHAR* g_sAATypes[] = {"E", "X", "D", "U", "Fo", "Bl", "PO", "PC",
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"PV", "PI", "O", "C", "K", "F", "V", "C",
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"WC", "WS", "DS", "WP", "DP", ""};
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} // namespace
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CPDF_Dest CPDF_Action::GetDest(CPDF_Document* pDoc) const {
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if (!m_pDict) {
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return CPDF_Dest();
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}
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CFX_ByteString type = m_pDict->GetStringBy("S");
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if (type != "GoTo" && type != "GoToR") {
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return CPDF_Dest();
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}
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CPDF_Object* pDest = m_pDict->GetDirectObjectBy("D");
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if (!pDest) {
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return CPDF_Dest();
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}
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if (pDest->IsString() || pDest->IsName()) {
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CPDF_NameTree name_tree(pDoc, "Dests");
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return CPDF_Dest(name_tree.LookupNamedDest(pDoc, pDest->GetString()));
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}
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if (CPDF_Array* pArray = pDest->AsArray())
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return CPDF_Dest(pArray);
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return CPDF_Dest();
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}
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CPDF_Action::ActionType CPDF_Action::GetType() const {
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if (!m_pDict)
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return Unknown;
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CFX_ByteString csType = m_pDict->GetStringBy("S");
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if (csType.IsEmpty())
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return Unknown;
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for (int i = 0; g_sATypes[i]; ++i) {
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if (csType == g_sATypes[i])
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return static_cast<ActionType>(i);
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}
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return Unknown;
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}
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CFX_WideString CPDF_Action::GetFilePath() const {
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CFX_ByteString type = m_pDict->GetStringBy("S");
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if (type != "GoToR" && type != "Launch" && type != "SubmitForm" &&
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type != "ImportData") {
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return CFX_WideString();
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}
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CPDF_Object* pFile = m_pDict->GetDirectObjectBy("F");
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CFX_WideString path;
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if (!pFile) {
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if (type == "Launch") {
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CPDF_Dictionary* pWinDict = m_pDict->GetDictBy("Win");
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if (pWinDict) {
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return CFX_WideString::FromLocal(
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pWinDict->GetStringBy("F").AsStringC());
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}
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}
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return path;
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}
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CPDF_FileSpec filespec(pFile);
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filespec.GetFileName(&path);
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return path;
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}
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CFX_ByteString CPDF_Action::GetURI(CPDF_Document* pDoc) const {
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CFX_ByteString csURI;
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if (!m_pDict) {
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return csURI;
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}
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if (m_pDict->GetStringBy("S") != "URI") {
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return csURI;
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}
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csURI = m_pDict->GetStringBy("URI");
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CPDF_Dictionary* pRoot = pDoc->GetRoot();
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CPDF_Dictionary* pURI = pRoot->GetDictBy("URI");
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if (pURI) {
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if (csURI.Find(":", 0) < 1) {
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csURI = pURI->GetStringBy("Base") + csURI;
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}
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}
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return csURI;
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}
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size_t CPDF_ActionFields::GetFieldsCount() const {
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if (!m_pAction) {
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return 0;
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}
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CPDF_Dictionary* pDict = m_pAction->GetDict();
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if (!pDict) {
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return 0;
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}
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CFX_ByteString csType = pDict->GetStringBy("S");
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CPDF_Object* pFields = nullptr;
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if (csType == "Hide") {
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pFields = pDict->GetDirectObjectBy("T");
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} else {
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pFields = pDict->GetArrayBy("Fields");
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}
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if (!pFields)
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return 0;
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if (pFields->IsDictionary())
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return 1;
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if (pFields->IsString())
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return 1;
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if (CPDF_Array* pArray = pFields->AsArray())
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return pArray->GetCount();
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return 0;
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}
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std::vector<CPDF_Object*> CPDF_ActionFields::GetAllFields() const {
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std::vector<CPDF_Object*> fields;
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if (!m_pAction)
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return fields;
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CPDF_Dictionary* pDict = m_pAction->GetDict();
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if (!pDict)
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return fields;
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CFX_ByteString csType = pDict->GetStringBy("S");
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CPDF_Object* pFields;
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if (csType == "Hide")
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pFields = pDict->GetDirectObjectBy("T");
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else
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pFields = pDict->GetArrayBy("Fields");
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if (!pFields)
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return fields;
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if (pFields->IsDictionary() || pFields->IsString()) {
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fields.push_back(pFields);
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} else if (CPDF_Array* pArray = pFields->AsArray()) {
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for (size_t i = 0; i < pArray->GetCount(); ++i) {
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CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
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if (pObj) {
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fields.push_back(pObj);
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}
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}
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}
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return fields;
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}
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CPDF_Object* CPDF_ActionFields::GetField(size_t iIndex) const {
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if (!m_pAction) {
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return nullptr;
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}
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CPDF_Dictionary* pDict = m_pAction->GetDict();
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if (!pDict) {
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return nullptr;
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}
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CFX_ByteString csType = pDict->GetStringBy("S");
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CPDF_Object* pFields = nullptr;
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if (csType == "Hide") {
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pFields = pDict->GetDirectObjectBy("T");
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} else {
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pFields = pDict->GetArrayBy("Fields");
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}
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if (!pFields) {
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return nullptr;
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}
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CPDF_Object* pFindObj = nullptr;
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if (pFields->IsDictionary() || pFields->IsString()) {
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if (iIndex == 0)
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pFindObj = pFields;
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} else if (CPDF_Array* pArray = pFields->AsArray()) {
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pFindObj = pArray->GetDirectObjectAt(iIndex);
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}
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return pFindObj;
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}
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CFX_WideString CPDF_Action::GetJavaScript() const {
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CFX_WideString csJS;
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if (!m_pDict) {
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return csJS;
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}
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CPDF_Object* pJS = m_pDict->GetDirectObjectBy("JS");
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return pJS ? pJS->GetUnicodeText() : csJS;
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}
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size_t CPDF_Action::GetSubActionsCount() const {
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if (!m_pDict || !m_pDict->KeyExist("Next"))
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return 0;
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CPDF_Object* pNext = m_pDict->GetDirectObjectBy("Next");
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if (!pNext)
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return 0;
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if (pNext->IsDictionary())
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return 1;
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if (CPDF_Array* pArray = pNext->AsArray())
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return pArray->GetCount();
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return 0;
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}
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CPDF_Action CPDF_Action::GetSubAction(size_t iIndex) const {
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if (!m_pDict || !m_pDict->KeyExist("Next")) {
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return CPDF_Action();
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}
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CPDF_Object* pNext = m_pDict->GetDirectObjectBy("Next");
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if (CPDF_Dictionary* pDict = ToDictionary(pNext)) {
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if (iIndex == 0)
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return CPDF_Action(pDict);
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} else if (CPDF_Array* pArray = ToArray(pNext)) {
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return CPDF_Action(pArray->GetDictAt(iIndex));
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}
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return CPDF_Action();
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}
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FX_BOOL CPDF_AAction::ActionExist(AActionType eType) const {
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return m_pDict && m_pDict->KeyExist(g_sAATypes[eType]);
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}
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CPDF_Action CPDF_AAction::GetAction(AActionType eType) const {
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if (!m_pDict)
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return CPDF_Action();
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return CPDF_Action(m_pDict->GetDictBy(g_sAATypes[eType]));
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}
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CPDF_DocJSActions::CPDF_DocJSActions(CPDF_Document* pDoc) : m_pDocument(pDoc) {}
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int CPDF_DocJSActions::CountJSActions() const {
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ASSERT(m_pDocument);
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CPDF_NameTree name_tree(m_pDocument, "JavaScript");
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return name_tree.GetCount();
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}
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CPDF_Action CPDF_DocJSActions::GetJSAction(int index,
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CFX_ByteString& csName) const {
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ASSERT(m_pDocument);
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CPDF_NameTree name_tree(m_pDocument, "JavaScript");
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CPDF_Object* pAction = name_tree.LookupValue(index, csName);
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if (!ToDictionary(pAction)) {
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return CPDF_Action();
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}
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return CPDF_Action(pAction->GetDict());
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}
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CPDF_Action CPDF_DocJSActions::GetJSAction(const CFX_ByteString& csName) const {
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ASSERT(m_pDocument);
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CPDF_NameTree name_tree(m_pDocument, "JavaScript");
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CPDF_Object* pAction = name_tree.LookupValue(csName);
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if (!ToDictionary(pAction)) {
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return CPDF_Action();
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}
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return CPDF_Action(pAction->GetDict());
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}
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int CPDF_DocJSActions::FindJSAction(const CFX_ByteString& csName) const {
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ASSERT(m_pDocument);
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CPDF_NameTree name_tree(m_pDocument, "JavaScript");
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return name_tree.GetIndex(csName);
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}
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