Splitting fpdfdoc/doc_* part I

core/fpdfdoc/cpdf_action.cpp

+// 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();
+}