Splitting fpdfdoc/doc_* part I

core/fpdfdoc/doc_action.cpp

-// 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 "core/fpdfdoc/include/cpdf_action.h"
-
-#include <vector>
-
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfdoc/include/cpdf_aaction.h"
-#include "core/fpdfdoc/include/cpdf_actionfields.h"
-#include "core/fpdfdoc/include/cpdf_docjsactions.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};
-
-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);
-}