Move core/src/ up to core/.

core/src/fpdfdoc/doc_ocg.cpp

Index: core/src/fpdfdoc/doc_ocg.cpp
diff --git a/core/src/fpdfdoc/doc_ocg.cpp b/core/src/fpdfdoc/doc_ocg.cpp
deleted file mode 100644
index 3af745580c76f5dfd835f8b50bd27f0d363c138d..0000000000000000000000000000000000000000
--- a/core/src/fpdfdoc/doc_ocg.cpp
+++ /dev/null
@@ -1,284 +0,0 @@
-// 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/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfdoc/fpdf_doc.h"
-
-static int32_t FPDFDOC_OCG_FindGroup(const CPDF_Object* pObject,
-                                     const CPDF_Dictionary* pGroupDict) {
-  if (!pObject || !pGroupDict)
-    return -1;
-
-  if (const CPDF_Array* pArray = pObject->AsArray()) {
-    FX_DWORD dwCount = pArray->GetCount();
-    for (FX_DWORD i = 0; i < dwCount; i++) {
-      if (pArray->GetDictAt(i) == pGroupDict)
-        return i;
-    }
-    return -1;
-  }
-  return pObject->GetDict() == pGroupDict ? 0 : -1;
-}
-static FX_BOOL FPDFDOC_OCG_HasIntent(const CPDF_Dictionary* pDict,
-                                     const CFX_ByteStringC& csElement,
-                                     const CFX_ByteStringC& csDef = "") {
-  CPDF_Object* pIntent = pDict->GetElementValue("Intent");
-  if (!pIntent) {
-    return csElement == csDef;
-  }
-  CFX_ByteString bsIntent;
-  if (CPDF_Array* pArray = pIntent->AsArray()) {
-    FX_DWORD dwCount = pArray->GetCount();
-    for (FX_DWORD i = 0; i < dwCount; i++) {
-      bsIntent = pArray->GetStringAt(i);
-      if (bsIntent == "All" || bsIntent == csElement)
-        return TRUE;
-    }
-    return FALSE;
-  }
-  bsIntent = pIntent->GetString();
-  return bsIntent == "All" || bsIntent == csElement;
-}
-static CPDF_Dictionary* FPDFDOC_OCG_GetConfig(CPDF_Document* pDoc,
-                                              const CPDF_Dictionary* pOCGDict,
-                                              const CFX_ByteStringC& bsState) {
-  FXSYS_assert(pDoc && pOCGDict);
-  CPDF_Dictionary* pOCProperties = pDoc->GetRoot()->GetDictBy("OCProperties");
-  if (!pOCProperties) {
-    return NULL;
-  }
-  CPDF_Array* pOCGs = pOCProperties->GetArrayBy("OCGs");
-  if (!pOCGs) {
-    return NULL;
-  }
-  if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
-    return NULL;
-  }
-  CPDF_Dictionary* pConfig = pOCProperties->GetDictBy("D");
-  CPDF_Array* pConfigs = pOCProperties->GetArrayBy("Configs");
-  if (pConfigs) {
-    CPDF_Dictionary* pFind;
-    int32_t iCount = pConfigs->GetCount();
-    for (int32_t i = 0; i < iCount; i++) {
-      pFind = pConfigs->GetDictAt(i);
-      if (!pFind) {
-        continue;
-      }
-      if (!FPDFDOC_OCG_HasIntent(pFind, "View", "View")) {
-        continue;
-      }
-      pConfig = pFind;
-      break;
-    }
-  }
-  return pConfig;
-}
-static CFX_ByteString FPDFDOC_OCG_GetUsageTypeString(
-    CPDF_OCContext::UsageType eType) {
-  CFX_ByteString csState = "View";
-  if (eType == CPDF_OCContext::Design) {
-    csState = "Design";
-  } else if (eType == CPDF_OCContext::Print) {
-    csState = "Print";
-  } else if (eType == CPDF_OCContext::Export) {
-    csState = "Export";
-  }
-  return csState;
-}
-CPDF_OCContext::CPDF_OCContext(CPDF_Document* pDoc, UsageType eUsageType) {
-  FXSYS_assert(pDoc);
-  m_pDocument = pDoc;
-  m_eUsageType = eUsageType;
-}
-CPDF_OCContext::~CPDF_OCContext() {
-  m_OCGStates.clear();
-}
-FX_BOOL CPDF_OCContext::LoadOCGStateFromConfig(const CFX_ByteStringC& csConfig,
-                                               const CPDF_Dictionary* pOCGDict,
-                                               FX_BOOL& bValidConfig) const {
-  CPDF_Dictionary* pConfig =
-      FPDFDOC_OCG_GetConfig(m_pDocument, pOCGDict, csConfig);
-  if (!pConfig) {
-    return TRUE;
-  }
-  bValidConfig = TRUE;
-  FX_BOOL bState = pConfig->GetStringBy("BaseState", "ON") != "OFF";
-  CPDF_Array* pArray = pConfig->GetArrayBy("ON");
-  if (pArray) {
-    if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
-      bState = TRUE;
-    }
-  }
-  pArray = pConfig->GetArrayBy("OFF");
-  if (pArray) {
-    if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
-      bState = FALSE;
-    }
-  }
-  pArray = pConfig->GetArrayBy("AS");
-  if (pArray) {
-    CFX_ByteString csFind = csConfig + "State";
-    int32_t iCount = pArray->GetCount();
-    for (int32_t i = 0; i < iCount; i++) {
-      CPDF_Dictionary* pUsage = pArray->GetDictAt(i);
-      if (!pUsage) {
-        continue;
-      }
-      if (pUsage->GetStringBy("Event", "View") != csConfig) {
-        continue;
-      }
-      CPDF_Array* pOCGs = pUsage->GetArrayBy("OCGs");
-      if (!pOCGs) {
-        continue;
-      }
-      if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
-        continue;
-      }
-      CPDF_Dictionary* pState = pUsage->GetDictBy(csConfig);
-      if (!pState) {
-        continue;
-      }
-      bState = pState->GetStringBy(csFind) != "OFF";
-    }
-  }
-  return bState;
-}
-FX_BOOL CPDF_OCContext::LoadOCGState(const CPDF_Dictionary* pOCGDict) const {
-  if (!FPDFDOC_OCG_HasIntent(pOCGDict, "View", "View")) {
-    return TRUE;
-  }
-  CFX_ByteString csState = FPDFDOC_OCG_GetUsageTypeString(m_eUsageType);
-  CPDF_Dictionary* pUsage = pOCGDict->GetDictBy("Usage");
-  if (pUsage) {
-    CPDF_Dictionary* pState = pUsage->GetDictBy(csState);
-    if (pState) {
-      CFX_ByteString csFind = csState + "State";
-      if (pState->KeyExist(csFind)) {
-        return pState->GetStringBy(csFind) != "OFF";
-      }
-    }
-    if (csState != "View") {
-      pState = pUsage->GetDictBy("View");
-      if (pState && pState->KeyExist("ViewState")) {
-        return pState->GetStringBy("ViewState") != "OFF";
-      }
-    }
-  }
-  FX_BOOL bDefValid = FALSE;
-  return LoadOCGStateFromConfig(csState, pOCGDict, bDefValid);
-}
-
-FX_BOOL CPDF_OCContext::GetOCGVisible(const CPDF_Dictionary* pOCGDict) {
-  if (!pOCGDict)
-    return FALSE;
-
-  const auto it = m_OCGStates.find(pOCGDict);
-  if (it != m_OCGStates.end())
-    return it->second;
-
-  FX_BOOL bState = LoadOCGState(pOCGDict);
-  m_OCGStates[pOCGDict] = bState;
-  return bState;
-}
-
-FX_BOOL CPDF_OCContext::GetOCGVE(CPDF_Array* pExpression,
-                                 FX_BOOL bFromConfig,
-                                 int nLevel) {
-  if (nLevel > 32) {
-    return FALSE;
-  }
-  if (!pExpression) {
-    return FALSE;
-  }
-  int32_t iCount = pExpression->GetCount();
-  CPDF_Object* pOCGObj;
-  CFX_ByteString csOperator = pExpression->GetStringAt(0);
-  if (csOperator == "Not") {
-    pOCGObj = pExpression->GetElementValue(1);
-    if (!pOCGObj)
-      return FALSE;
-    if (CPDF_Dictionary* pDict = pOCGObj->AsDictionary())
-      return !(bFromConfig ? LoadOCGState(pDict) : GetOCGVisible(pDict));
-    if (CPDF_Array* pArray = pOCGObj->AsArray())
-      return !GetOCGVE(pArray, bFromConfig, nLevel + 1);
-    return FALSE;
-  }
-  if (csOperator == "Or" || csOperator == "And") {
-    FX_BOOL bValue = FALSE;
-    for (int32_t i = 1; i < iCount; i++) {
-      pOCGObj = pExpression->GetElementValue(1);
-      if (!pOCGObj) {
-        continue;
-      }
-      FX_BOOL bItem = FALSE;
-      if (CPDF_Dictionary* pDict = pOCGObj->AsDictionary())
-        bItem = bFromConfig ? LoadOCGState(pDict) : GetOCGVisible(pDict);
-      else if (CPDF_Array* pArray = pOCGObj->AsArray())
-        bItem = GetOCGVE(pArray, bFromConfig, nLevel + 1);
-
-      if (i == 1) {
-        bValue = bItem;
-      } else {
-        if (csOperator == "Or") {
-          bValue = bValue || bItem;
-        } else {
-          bValue = bValue && bItem;
-        }
-      }
-    }
-    return bValue;
-  }
-  return FALSE;
-}
-FX_BOOL CPDF_OCContext::LoadOCMDState(const CPDF_Dictionary* pOCMDDict,
-                                      FX_BOOL bFromConfig) {
-  CPDF_Array* pVE = pOCMDDict->GetArrayBy("VE");
-  if (pVE) {
-    return GetOCGVE(pVE, bFromConfig);
-  }
-  CFX_ByteString csP = pOCMDDict->GetStringBy("P", "AnyOn");
-  CPDF_Object* pOCGObj = pOCMDDict->GetElementValue("OCGs");
-  if (!pOCGObj)
-    return TRUE;
-  if (const CPDF_Dictionary* pDict = pOCGObj->AsDictionary())
-    return bFromConfig ? LoadOCGState(pDict) : GetOCGVisible(pDict);
-
-  CPDF_Array* pArray = pOCGObj->AsArray();
-  if (!pArray)
-    return TRUE;
-
-  FX_BOOL bState = FALSE;
-  if (csP == "AllOn" || csP == "AllOff") {
-    bState = TRUE;
-  }
-  int32_t iCount = pArray->GetCount();
-  for (int32_t i = 0; i < iCount; i++) {
-    FX_BOOL bItem = TRUE;
-    CPDF_Dictionary* pItemDict = pArray->GetDictAt(i);
-    if (pItemDict)
-      bItem = bFromConfig ? LoadOCGState(pItemDict) : GetOCGVisible(pItemDict);
-
-    if ((csP == "AnyOn" && bItem) || (csP == "AnyOff" && !bItem))
-      return TRUE;
-    if ((csP == "AllOn" && !bItem) || (csP == "AllOff" && bItem))
-      return FALSE;
-  }
-  return bState;
-}
-FX_BOOL CPDF_OCContext::CheckOCGVisible(const CPDF_Dictionary* pOCGDict) {
-  if (!pOCGDict) {
-    return TRUE;
-  }
-  CFX_ByteString csType = pOCGDict->GetStringBy("Type", "OCG");
-  if (csType == "OCG") {
-    return GetOCGVisible(pOCGDict);
-  }
-  return LoadOCMDState(pOCGDict, FALSE);
-}
-void CPDF_OCContext::ResetOCContext() {
-  m_OCGStates.clear();
-}