Remove IFDE_CSSTagProvider.

xfa/fde/css/fde_csscache.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 "xfa/fde/css/fde_csscache.h"
 
 #include <algorithm>
 
 #include "core/fxcrt/include/fx_ext.h"
+#include "xfa/fxfa/app/xfa_textlayout.h"
 
 FDE_CSSCacheItem::FDE_CSSCacheItem(IFDE_CSSStyleSheet* p)
     : pStylesheet(p), dwActivity(0) {
   FXSYS_assert(pStylesheet);
   pStylesheet->AddRef();
 }
+
 FDE_CSSCacheItem::~FDE_CSSCacheItem() {
   pStylesheet->Release();
 }
 
 FDE_CSSTagCache::FDE_CSSTagCache(FDE_CSSTagCache* parent,
-                                 IFDE_CSSTagProvider* tag)
+                                 CXFA_CSSTagProvider* tag)
     : pTag(tag),
       pParent(parent),
       dwIDHash(0),
       dwTagHash(0),
       iClassIndex(0),
       dwClassHashs(1) {
-  FXSYS_assert(pTag != NULL);
-  CFX_WideStringC wsValue, wsName = pTag->GetTagName();
-  dwTagHash = FX_HashCode_String_GetW(wsName.c_str(), wsName.GetLength(), TRUE);
-  FX_POSITION pos = pTag->GetFirstAttribute();
-  while (pos != NULL) {
-    pTag->GetNextAttribute(pos, wsName, wsValue);
+  static const uint32_t s_dwIDHash = FX_HashCode_String_GetW(L"id", 2, TRUE);
+  static const uint32_t s_dwClassHash =
+      FX_HashCode_String_GetW(L"class", 5, TRUE);
+
+  CFX_WideString wsTag = pTag->GetTagName();
+  dwTagHash = FX_HashCode_String_GetW(wsTag.c_str(), wsTag.GetLength(), TRUE);
+
+  for (auto it : *pTag) {
+    CFX_WideString wsValue = it.first;
+    CFX_WideString wsName = it.second;
+
     uint32_t dwNameHash =
         FX_HashCode_String_GetW(wsName.c_str(), wsName.GetLength(), TRUE);
-    static const uint32_t s_dwIDHash = FX_HashCode_String_GetW(L"id", 2, TRUE);
-    static const uint32_t s_dwClassHash =
-        FX_HashCode_String_GetW(L"class", 5, TRUE);
+
     if (dwNameHash == s_dwClassHash) {
       uint32_t dwHash =
           FX_HashCode_String_GetW(wsValue.c_str(), wsValue.GetLength());
       dwClassHashs.Add(dwHash);
     } else if (dwNameHash == s_dwIDHash) {
       dwIDHash = FX_HashCode_String_GetW(wsValue.c_str(), wsValue.GetLength());
     }
   }
 }
+
 FDE_CSSTagCache::FDE_CSSTagCache(const FDE_CSSTagCache& it)
     : pTag(it.pTag),
       pParent(it.pParent),
       dwIDHash(it.dwIDHash),
       dwTagHash(it.dwTagHash),
       iClassIndex(0),
       dwClassHashs(1) {
-  if (it.dwClassHashs.GetSize() > 0) {
+  if (it.dwClassHashs.GetSize() > 0)
     dwClassHashs.Copy(it.dwClassHashs);
-  }
 }
-void CFDE_CSSAccelerator::OnEnterTag(IFDE_CSSTagProvider* pTag) {
+
+void CFDE_CSSAccelerator::OnEnterTag(CXFA_CSSTagProvider* pTag) {
   FDE_CSSTagCache* pTop = GetTopElement();
   FDE_CSSTagCache item(pTop, pTag);
   m_Stack.Push(item);
 }
-void CFDE_CSSAccelerator::OnLeaveTag(IFDE_CSSTagProvider* pTag) {
+
+void CFDE_CSSAccelerator::OnLeaveTag(CXFA_CSSTagProvider* pTag) {
   FXSYS_assert(m_Stack.GetTopElement());
   FXSYS_assert(m_Stack.GetTopElement()->GetTag() == pTag);
   m_Stack.Pop();
 }