Splitting fpdfdoc/doc_* part I

core/fpdfdoc/cpdf_link.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_link.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfdoc/include/cpdf_nametree.h"
+
+CFX_FloatRect CPDF_Link::GetRect() {
+  return m_pDict->GetRectBy("Rect");
+}
+
+CPDF_Dest CPDF_Link::GetDest(CPDF_Document* pDoc) {
+  CPDF_Object* pDest = m_pDict->GetDirectObjectBy("Dest");
+  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 CPDF_Link::GetAction() {
+  return CPDF_Action(m_pDict->GetDictBy("A"));
+}