Cleanup tagged code.

This Cl removes a bunch of unused tagged code. Some of this will need to come
back in the future (like the attr code) but we can add it back with tests when
needed.

Bug: pdfium:672
Change-Id: I7aaed79963910b336f42ce665790408038c39ba4
Reviewed-on: https://pdfium-review.googlesource.com/3830
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 134 deletions

diff --git a/core/fpdfdoc/cpdf_structelement.cpp b/core/fpdfdoc/cpdf_structelement.cpp
index 418f75b3a9..137d5b32e4 100644
--- a/core/fpdfdoc/cpdf_structelement.cpp
+++ b/core/fpdfdoc/cpdf_structelement.cpp
@@ -16,38 +16,6 @@
 #include "core/fpdfdoc/cpdf_structtree.h"
 #include "third_party/base/stl_util.h"
 
-namespace {
-
-const int nMaxRecursion = 32;
-
-CPDF_Dictionary* FindAttrDict(CPDF_Object* pAttrs,
-                              const CFX_ByteStringC& owner,
-                              float nLevel = 0.0F) {
-  if (nLevel > nMaxRecursion)
-    return nullptr;
-  if (!pAttrs)
-    return nullptr;
-
-  CPDF_Dictionary* pDict = nullptr;
-  if (pAttrs->IsDictionary()) {
-    pDict = pAttrs->AsDictionary();
-  } else if (CPDF_Stream* pStream = pAttrs->AsStream()) {
-    pDict = pStream->GetDict();
-  } else if (CPDF_Array* pArray = pAttrs->AsArray()) {
-    for (uint32_t i = 0; i < pArray->GetCount(); i++) {
-      CPDF_Object* pElement = pArray->GetDirectObjectAt(i);
-      pDict = FindAttrDict(pElement, owner, nLevel + 1);
-      if (pDict)
-        return pDict;
-    }
-  }
-  if (pDict && pDict->GetStringFor("O") == owner)
-    return pDict;
-  return nullptr;
-}
-
-}  // namespace
-
 CPDF_StructKid::CPDF_StructKid()
     : m_Type(Invalid),
       m_pDict(nullptr),
@@ -166,105 +134,3 @@ void CPDF_StructElement::LoadKid(uint32_t PageObjNum,
   pKid->m_pElement =
       pdfium::MakeRetain<CPDF_StructElement>(m_pTree, this, pKidDict);
 }
-
-CPDF_Object* CPDF_StructElement::GetAttr(const CFX_ByteStringC& owner,
-                                         const CFX_ByteStringC& name,
-                                         bool bInheritable,
-                                         float fLevel) {
-  if (fLevel > nMaxRecursion)
-    return nullptr;
-
-  if (bInheritable) {
-    if (CPDF_Object* pAttr = GetAttr(owner, name, false))
-      return pAttr;
-    if (!m_pParent)
-      return nullptr;
-    return m_pParent->GetAttr(owner, name, true, fLevel + 1);
-  }
-
-  if (CPDF_Object* pA = m_pDict->GetDirectObjectFor("A")) {
-    if (CPDF_Dictionary* dict = FindAttrDict(pA, owner)) {
-      if (CPDF_Object* attr = dict->GetDirectObjectFor(CFX_ByteString(name)))
-        return attr;
-    }
-  }
-
-  CPDF_Object* pC = m_pDict->GetDirectObjectFor("C");
-  if (!pC)
-    return nullptr;
-
-  CPDF_Dictionary* pClassMap = m_pTree->GetTreeRoot()->GetDictFor("ClassMap");
-  if (!pClassMap)
-    return nullptr;
-
-  if (CPDF_Array* pArray = pC->AsArray()) {
-    for (uint32_t i = 0; i < pArray->GetCount(); i++) {
-      CFX_ByteString class_name = pArray->GetStringAt(i);
-      CPDF_Dictionary* pClassDict = pClassMap->GetDictFor(class_name);
-      if (pClassDict && pClassDict->GetStringFor("O") == owner)
-        return pClassDict->GetDirectObjectFor(CFX_ByteString(name));
-    }
-    return nullptr;
-  }
-
-  CFX_ByteString class_name = pC->GetString();
-  CPDF_Dictionary* pClassDict = pClassMap->GetDictFor(class_name);
-  if (pClassDict && pClassDict->GetStringFor("O") == owner)
-    return pClassDict->GetDirectObjectFor(CFX_ByteString(name));
-  return nullptr;
-}
-
-CPDF_Object* CPDF_StructElement::GetAttr(const CFX_ByteStringC& owner,
-                                         const CFX_ByteStringC& name,
-                                         bool bInheritable,
-                                         int subindex) {
-  CPDF_Object* pAttr = GetAttr(owner, name, bInheritable);
-  CPDF_Array* pArray = ToArray(pAttr);
-  if (!pArray || subindex == -1)
-    return pAttr;
-  if (subindex >= static_cast<int>(pArray->GetCount()))
-    return pAttr;
-  return pArray->GetDirectObjectAt(subindex);
-}
-
-CFX_ByteString CPDF_StructElement::GetName(const CFX_ByteStringC& owner,
-                                           const CFX_ByteStringC& name,
-                                           const CFX_ByteStringC& default_value,
-                                           bool bInheritable,
-                                           int subindex) {
-  CPDF_Object* pAttr = GetAttr(owner, name, bInheritable, subindex);
-  if (ToName(pAttr))
-    return pAttr->GetString();
-  return CFX_ByteString(default_value);
-}
-
-FX_ARGB CPDF_StructElement::GetColor(const CFX_ByteStringC& owner,
-                                     const CFX_ByteStringC& name,
-                                     FX_ARGB default_value,
-                                     bool bInheritable,
-                                     int subindex) {
-  CPDF_Array* pArray = ToArray(GetAttr(owner, name, bInheritable, subindex));
-  if (!pArray)
-    return default_value;
-  return 0xff000000 | (static_cast<int>(pArray->GetNumberAt(0) * 255) << 16) |
-         (static_cast<int>(pArray->GetNumberAt(1) * 255) << 8) |
-         static_cast<int>(pArray->GetNumberAt(2) * 255);
-}
-
-float CPDF_StructElement::GetNumber(const CFX_ByteStringC& owner,
-                                    const CFX_ByteStringC& name,
-                                    float default_value,
-                                    bool bInheritable,
-                                    int subindex) {
-  CPDF_Object* pAttr = GetAttr(owner, name, bInheritable, subindex);
-  return ToNumber(pAttr) ? pAttr->GetNumber() : default_value;
-}
-
-int CPDF_StructElement::GetInteger(const CFX_ByteStringC& owner,
-                                   const CFX_ByteStringC& name,
-                                   int default_value,
-                                   bool bInheritable,
-                                   int subindex) {
-  CPDF_Object* pAttr = GetAttr(owner, name, bInheritable, subindex);
-  return ToNumber(pAttr) ? pAttr->GetInteger() : default_value;
-}