Move xfa/src up to xfa/.

xfa/src/fde/css/fde_cssstylesheet.cpp

Index: xfa/src/fde/css/fde_cssstylesheet.cpp
diff --git a/xfa/src/fde/css/fde_cssstylesheet.cpp b/xfa/src/fde/css/fde_cssstylesheet.cpp
deleted file mode 100644
index 9b18dd2552db09755dcd0ae0b954649658806de1..0000000000000000000000000000000000000000
--- a/xfa/src/fde/css/fde_cssstylesheet.cpp
+++ /dev/null
@@ -1,509 +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 "xfa/src/fde/css/fde_cssstylesheet.h"
-
-#include "xfa/src/fde/css/fde_cssdatatable.h"
-#include "xfa/src/fde/css/fde_csssyntax.h"
-#include "xfa/src/fgas/crt/fgas_codepage.h"
-
-IFDE_CSSStyleSheet* IFDE_CSSStyleSheet::LoadHTMLStandardStyleSheet() {
-  static const FX_WCHAR* s_pStyle =
-      L"html,address,blockquote,body,dd,div,dl,dt,fieldset,form,frame,frameset,"
-      L"h1,h2,h3,h4,h5,h6,noframes,ol,p,ul,center,dir,hr,menu,pre{display:"
-      L"block}"
-      L"li{display:list-item}head{display:none}table{display:table}tr{display:"
-      L"table-row}thead{display:table-header-group}tbody{display:table-row-"
-      L"group}tfoot{display:table-footer-group}"
-      L"col{display:table-column}colgroup{display:table-column-group}td,th{"
-      L"display:table-cell}caption{display:table-caption}th{font-weight:bolder;"
-      L"text-align:center}caption{text-align:center}"
-      L"body{margin:0}h1{font-size:2em;margin:.67em "
-      L"0}h2{font-size:1.5em;margin:.75em 0}h3{font-size:1.17em;margin:.83em "
-      L"0}h4,p,blockquote,ul,fieldset,form,ol,dl,dir,menu{margin:1.12em 0}"
-      L"h5{font-size:.83em;margin:1.5em 0}h6{font-size:.75em;margin:1.67em "
-      L"0}h1,h2,h3,h4,h5,h6,b,strong{font-weight:bolder}blockquote{margin-left:"
-      L"40px;margin-right:40px}i,cite,em,var,address{font-style:italic}"
-      L"pre,tt,code,kbd,samp{font-family:monospace}pre{white-space:pre}button,"
-      L"textarea,input,select{display:inline-block}big{font-size:1.17em}small,"
-      L"sub,sup{font-size:.83em}sub{vertical-align:sub}"
-      L"sup{vertical-align:super}table{border-spacing:2px}thead,tbody,tfoot{"
-      L"vertical-align:middle}td,th,tr{vertical-align:inherit}s,strike,del{"
-      L"text-decoration:line-through}hr{border:1px inset silver}"
-      L"ol,ul,dir,menu,dd{margin-left:40px}ol{list-style-type:decimal}ol ul,ul "
-      L"ol,ul ul,ol "
-      L"ol{margin-top:0;margin-bottom:0}u,ins{text-decoration:underline}center{"
-      L"text-align:center}"
-      L"ruby{display:ruby}rt{display:ruby-text;font-size:.5em}rb{display:ruby-"
-      L"base}rbc{display:ruby-base-group}rtc{display:ruby-text-group}"
-      L"q:before{content:open-quote}q:after{content:close-quote}"
-      L"rp{display:none}";
-  return IFDE_CSSStyleSheet::LoadFromBuffer(
-      CFX_WideString(), s_pStyle, FXSYS_wcslen(s_pStyle), FX_CODEPAGE_UTF8);
-}
-
-IFDE_CSSStyleSheet* IFDE_CSSStyleSheet::LoadFromStream(
-    const CFX_WideString& szUrl,
-    IFX_Stream* pStream,
-    FX_WORD wCodePage,
-    FX_DWORD dwMediaList) {
-  CFDE_CSSStyleSheet* pStyleSheet = new CFDE_CSSStyleSheet(dwMediaList);
-  if (!pStyleSheet->LoadFromStream(szUrl, pStream, wCodePage)) {
-    pStyleSheet->Release();
-    pStyleSheet = NULL;
-  }
-  return pStyleSheet;
-}
-IFDE_CSSStyleSheet* IFDE_CSSStyleSheet::LoadFromBuffer(
-    const CFX_WideString& szUrl,
-    const FX_WCHAR* pBuffer,
-    int32_t iBufSize,
-    FX_WORD wCodePage,
-    FX_DWORD dwMediaList) {
-  CFDE_CSSStyleSheet* pStyleSheet = new CFDE_CSSStyleSheet(dwMediaList);
-  if (!pStyleSheet->LoadFromBuffer(szUrl, pBuffer, iBufSize, wCodePage)) {
-    pStyleSheet->Release();
-    pStyleSheet = NULL;
-  }
-  return pStyleSheet;
-}
-CFDE_CSSStyleSheet::CFDE_CSSStyleSheet(FX_DWORD dwMediaList)
-    : m_wCodePage(FX_CODEPAGE_UTF8),
-      m_wRefCount(1),
-      m_dwMediaList(dwMediaList),
-      m_pAllocator(NULL) {
-  FXSYS_assert(m_dwMediaList > 0);
-}
-CFDE_CSSStyleSheet::~CFDE_CSSStyleSheet() {
-  Reset();
-}
-void CFDE_CSSStyleSheet::Reset() {
-  for (int32_t i = m_RuleArray.GetSize() - 1; i >= 0; --i) {
-    IFDE_CSSRule* pRule = m_RuleArray.GetAt(i);
-    switch (pRule->GetType()) {
-      case FDE_CSSRULETYPE_Style:
-        ((CFDE_CSSStyleRule*)pRule)->~CFDE_CSSStyleRule();
-        break;
-      case FDE_CSSRULETYPE_Media:
-        ((CFDE_CSSMediaRule*)pRule)->~CFDE_CSSMediaRule();
-        break;
-      case FDE_CSSRULETYPE_FontFace:
-        ((CFDE_CSSFontFaceRule*)pRule)->~CFDE_CSSFontFaceRule();
-        break;
-      default:
-        FXSYS_assert(FALSE);
-        break;
-    }
-  }
-  m_RuleArray.RemoveAll();
-  m_Selectors.RemoveAll();
-  m_StringCache.RemoveAll();
-  if (m_pAllocator) {
-    m_pAllocator->Release();
-    m_pAllocator = NULL;
-  }
-}
-FX_DWORD CFDE_CSSStyleSheet::AddRef() {
-  return ++m_wRefCount;
-}
-FX_DWORD CFDE_CSSStyleSheet::Release() {
-  FX_DWORD dwRefCount = --m_wRefCount;
-  if (dwRefCount == 0) {
-    delete this;
-  }
-  return dwRefCount;
-}
-int32_t CFDE_CSSStyleSheet::CountRules() const {
-  return m_RuleArray.GetSize();
-}
-IFDE_CSSRule* CFDE_CSSStyleSheet::GetRule(int32_t index) {
-  return m_RuleArray.GetAt(index);
-}
-FX_BOOL CFDE_CSSStyleSheet::LoadFromStream(const CFX_WideString& szUrl,
-                                           IFX_Stream* pStream,
-                                           FX_WORD wCodePage) {
-  FXSYS_assert(pStream != NULL);
-  IFDE_CSSSyntaxParser* pSyntax = IFDE_CSSSyntaxParser::Create();
-  if (pSyntax == NULL) {
-    return FALSE;
-  }
-  if (pStream->GetCodePage() != wCodePage) {
-    pStream->SetCodePage(wCodePage);
-  }
-  FX_BOOL bRet = pSyntax->Init(pStream, 4096) && LoadFromSyntax(pSyntax);
-  pSyntax->Release();
-  m_wCodePage = wCodePage;
-  m_szUrl = szUrl;
-  return bRet;
-}
-FX_BOOL CFDE_CSSStyleSheet::LoadFromBuffer(const CFX_WideString& szUrl,
-                                           const FX_WCHAR* pBuffer,
-                                           int32_t iBufSize,
-                                           FX_WORD wCodePage) {
-  FXSYS_assert(pBuffer != NULL && iBufSize > 0);
-  IFDE_CSSSyntaxParser* pSyntax = IFDE_CSSSyntaxParser::Create();
-  if (pSyntax == NULL) {
-    return FALSE;
-  }
-  FX_BOOL bRet = pSyntax->Init(pBuffer, iBufSize) && LoadFromSyntax(pSyntax);
-  pSyntax->Release();
-  m_wCodePage = wCodePage;
-  m_szUrl = szUrl;
-  return bRet;
-}
-FX_BOOL CFDE_CSSStyleSheet::LoadFromSyntax(IFDE_CSSSyntaxParser* pSyntax) {
-  Reset();
-  m_pAllocator = FX_CreateAllocator(FX_ALLOCTYPE_Static, 1024, 0);
-  if (m_pAllocator == NULL) {
-    return FALSE;
-  }
-  FDE_CSSSYNTAXSTATUS eStatus;
-  do {
-    switch (eStatus = pSyntax->DoSyntaxParse()) {
-      case FDE_CSSSYNTAXSTATUS_StyleRule:
-        eStatus = LoadStyleRule(pSyntax, m_RuleArray);
-        break;
-      case FDE_CSSSYNTAXSTATUS_MediaRule:
-        eStatus = LoadMediaRule(pSyntax);
-        break;
-      case FDE_CSSSYNTAXSTATUS_FontFaceRule:
-        eStatus = LoadFontFaceRule(pSyntax, m_RuleArray);
-        break;
-      case FDE_CSSSYNTAXSTATUS_ImportRule:
-        eStatus = LoadImportRule(pSyntax);
-        break;
-      case FDE_CSSSYNTAXSTATUS_PageRule:
-        eStatus = LoadPageRule(pSyntax);
-        break;
-      default:
-        break;
-    }
-  } while (eStatus >= FDE_CSSSYNTAXSTATUS_None);
-  m_Selectors.RemoveAll();
-  m_StringCache.RemoveAll();
-  return eStatus != FDE_CSSSYNTAXSTATUS_Error;
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadMediaRule(
-    IFDE_CSSSyntaxParser* pSyntax) {
-  FX_DWORD dwMediaList = 0;
-  CFDE_CSSMediaRule* pMediaRule = NULL;
-  for (;;) {
-    switch (pSyntax->DoSyntaxParse()) {
-      case FDE_CSSSYNTAXSTATUS_MediaType: {
-        int32_t iLen;
-        const FX_WCHAR* psz = pSyntax->GetCurrentString(iLen);
-        FDE_LPCCSSMEDIATYPETABLE pMediaType =
-            FDE_GetCSSMediaTypeByName(psz, iLen);
-        if (pMediaType != NULL) {
-          dwMediaList |= pMediaType->wValue;
-        }
-      } break;
-      case FDE_CSSSYNTAXSTATUS_StyleRule:
-        if (pMediaRule == NULL) {
-          SkipRuleSet(pSyntax);
-        } else {
-          FDE_CSSSYNTAXSTATUS eStatus =
-              LoadStyleRule(pSyntax, pMediaRule->GetArray());
-          if (eStatus < FDE_CSSSYNTAXSTATUS_None) {
-            return eStatus;
-          }
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclOpen:
-        if ((dwMediaList & m_dwMediaList) > 0 && pMediaRule == NULL) {
-          pMediaRule =
-              FXTARGET_NewWith(m_pAllocator) CFDE_CSSMediaRule(dwMediaList);
-          m_RuleArray.Add(pMediaRule);
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclClose:
-        return FDE_CSSSYNTAXSTATUS_None;
-        FDE_CSSSWITCHDEFAULTS();
-    }
-  }
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadStyleRule(
-    IFDE_CSSSyntaxParser* pSyntax,
-    CFDE_CSSRuleArray& ruleArray) {
-  m_Selectors.RemoveAt(0, m_Selectors.GetSize());
-  CFDE_CSSStyleRule* pStyleRule = NULL;
-  const FX_WCHAR* pszValue = NULL;
-  int32_t iValueLen = 0;
-  FDE_CSSPROPERTYARGS propertyArgs;
-  propertyArgs.pStaticStore = m_pAllocator;
-  propertyArgs.pStringCache = &m_StringCache;
-  propertyArgs.pProperty = NULL;
-  CFX_WideString wsName;
-  for (;;) {
-    switch (pSyntax->DoSyntaxParse()) {
-      case FDE_CSSSYNTAXSTATUS_Selector: {
-        pszValue = pSyntax->GetCurrentString(iValueLen);
-        IFDE_CSSSelector* pSelector =
-            CFDE_CSSSelector::FromString(m_pAllocator, pszValue, iValueLen);
-        if (pSelector != NULL) {
-          m_Selectors.Add(pSelector);
-        }
-      } break;
-      case FDE_CSSSYNTAXSTATUS_PropertyName:
-        pszValue = pSyntax->GetCurrentString(iValueLen);
-        propertyArgs.pProperty = FDE_GetCSSPropertyByName(pszValue, iValueLen);
-        if (propertyArgs.pProperty == NULL) {
-          wsName = CFX_WideStringC(pszValue, iValueLen);
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_PropertyValue:
-        if (propertyArgs.pProperty != NULL) {
-          pszValue = pSyntax->GetCurrentString(iValueLen);
-          if (iValueLen > 0) {
-            pStyleRule->GetDeclImp().AddProperty(&propertyArgs, pszValue,
-                                                 iValueLen);
-          }
-        } else if (iValueLen > 0) {
-          pszValue = pSyntax->GetCurrentString(iValueLen);
-          if (iValueLen > 0) {
-            pStyleRule->GetDeclImp().AddProperty(
-                &propertyArgs, wsName, wsName.GetLength(), pszValue, iValueLen);
-          }
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclOpen:
-        if (pStyleRule == NULL && m_Selectors.GetSize() > 0) {
-          pStyleRule = FXTARGET_NewWith(m_pAllocator) CFDE_CSSStyleRule;
-          pStyleRule->SetSelector(m_pAllocator, m_Selectors);
-          ruleArray.Add(pStyleRule);
-        } else {
-          SkipRuleSet(pSyntax);
-          return FDE_CSSSYNTAXSTATUS_None;
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclClose:
-        if (pStyleRule != NULL &&
-            pStyleRule->GetDeclImp().GetStartPosition() == NULL) {
-          pStyleRule->~CFDE_CSSStyleRule();
-          ruleArray.RemoveLast(1);
-        }
-        return FDE_CSSSYNTAXSTATUS_None;
-        FDE_CSSSWITCHDEFAULTS();
-    }
-  }
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadFontFaceRule(
-    IFDE_CSSSyntaxParser* pSyntax,
-    CFDE_CSSRuleArray& ruleArray) {
-  CFDE_CSSFontFaceRule* pFontFaceRule = NULL;
-  const FX_WCHAR* pszValue = NULL;
-  int32_t iValueLen = 0;
-  FDE_CSSPROPERTYARGS propertyArgs;
-  propertyArgs.pStaticStore = m_pAllocator;
-  propertyArgs.pStringCache = &m_StringCache;
-  propertyArgs.pProperty = NULL;
-  for (;;) {
-    switch (pSyntax->DoSyntaxParse()) {
-      case FDE_CSSSYNTAXSTATUS_PropertyName:
-        pszValue = pSyntax->GetCurrentString(iValueLen);
-        propertyArgs.pProperty = FDE_GetCSSPropertyByName(pszValue, iValueLen);
-        break;
-      case FDE_CSSSYNTAXSTATUS_PropertyValue:
-        if (propertyArgs.pProperty != NULL) {
-          pszValue = pSyntax->GetCurrentString(iValueLen);
-          if (iValueLen > 0) {
-            pFontFaceRule->GetDeclImp().AddProperty(&propertyArgs, pszValue,
-                                                    iValueLen);
-          }
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclOpen:
-        if (pFontFaceRule == NULL) {
-          pFontFaceRule = FXTARGET_NewWith(m_pAllocator) CFDE_CSSFontFaceRule;
-          ruleArray.Add(pFontFaceRule);
-        }
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclClose:
-        return FDE_CSSSYNTAXSTATUS_None;
-        FDE_CSSSWITCHDEFAULTS();
-    }
-  }
-  return FDE_CSSSYNTAXSTATUS_None;
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadImportRule(
-    IFDE_CSSSyntaxParser* pSyntax) {
-  for (;;) {
-    switch (pSyntax->DoSyntaxParse()) {
-      case FDE_CSSSYNTAXSTATUS_ImportClose:
-        return FDE_CSSSYNTAXSTATUS_None;
-      case FDE_CSSSYNTAXSTATUS_URI:
-        break;
-        FDE_CSSSWITCHDEFAULTS();
-    }
-  }
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadPageRule(
-    IFDE_CSSSyntaxParser* pSyntax) {
-  return SkipRuleSet(pSyntax);
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::SkipRuleSet(
-    IFDE_CSSSyntaxParser* pSyntax) {
-  for (;;) {
-    switch (pSyntax->DoSyntaxParse()) {
-      case FDE_CSSSYNTAXSTATUS_Selector:
-      case FDE_CSSSYNTAXSTATUS_DeclOpen:
-      case FDE_CSSSYNTAXSTATUS_PropertyName:
-      case FDE_CSSSYNTAXSTATUS_PropertyValue:
-        break;
-      case FDE_CSSSYNTAXSTATUS_DeclClose:
-        return FDE_CSSSYNTAXSTATUS_None;
-        FDE_CSSSWITCHDEFAULTS();
-    }
-  }
-  return FDE_CSSSYNTAXSTATUS_None;
-}
-void CFDE_CSSStyleRule::SetSelector(IFX_MEMAllocator* pStaticStore,
-                                    const CFDE_CSSSelectorArray& list) {
-  FXSYS_assert(m_ppSelector == NULL);
-  m_iSelectors = list.GetSize();
-  m_ppSelector = (IFDE_CSSSelector**)pStaticStore->Alloc(
-      m_iSelectors * sizeof(IFDE_CSSSelector*));
-  for (int32_t i = 0; i < m_iSelectors; ++i) {
-    m_ppSelector[i] = list.GetAt(i);
-  }
-}
-CFDE_CSSMediaRule::~CFDE_CSSMediaRule() {
-  for (int32_t i = m_RuleArray.GetSize() - 1; i >= 0; --i) {
-    IFDE_CSSRule* pRule = m_RuleArray.GetAt(i);
-    switch (pRule->GetType()) {
-      case FDE_CSSRULETYPE_Style:
-        ((CFDE_CSSStyleRule*)pRule)->~CFDE_CSSStyleRule();
-        break;
-      default:
-        FXSYS_assert(FALSE);
-        break;
-    }
-  }
-}
-inline FX_BOOL FDE_IsCSSChar(FX_WCHAR wch) {
-  return (wch >= 'a' && wch <= 'z') || (wch >= 'A' && wch <= 'Z');
-}
-int32_t FDE_GetCSSPersudoLen(const FX_WCHAR* psz, const FX_WCHAR* pEnd) {
-  FXSYS_assert(*psz == ':');
-  const FX_WCHAR* pStart = psz;
-  while (psz < pEnd) {
-    FX_WCHAR wch = *psz;
-    if (FDE_IsCSSChar(wch) || wch == ':') {
-      ++psz;
-    } else {
-      break;
-    }
-  }
-  return psz - pStart;
-}
-int32_t FDE_GetCSSNameLen(const FX_WCHAR* psz, const FX_WCHAR* pEnd) {
-  const FX_WCHAR* pStart = psz;
-  while (psz < pEnd) {
-    FX_WCHAR wch = *psz;
-    if (FDE_IsCSSChar(wch) || (wch >= '0' && wch <= '9') || wch == '_' ||
-        wch == '-') {
-      ++psz;
-    } else {
-      break;
-    }
-  }
-  return psz - pStart;
-}
-IFDE_CSSSelector* CFDE_CSSSelector::FromString(IFX_MEMAllocator* pStaticStore,
-                                               const FX_WCHAR* psz,
-                                               int32_t iLen) {
-  FXSYS_assert(pStaticStore != NULL && psz != NULL && iLen > 0);
-  const FX_WCHAR* pStart = psz;
-  const FX_WCHAR* pEnd = psz + iLen;
-  for (; psz < pEnd; ++psz) {
-    switch (*psz) {
-      case '>':
-      case '[':
-      case '+':
-        return NULL;
-    }
-  }
-  CFDE_CSSSelector *pFirst = NULL, *pLast = NULL;
-  CFDE_CSSSelector *pPersudoFirst = NULL, *pPersudoLast = NULL;
-  for (psz = pStart; psz < pEnd;) {
-    FX_WCHAR wch = *psz;
-    if (wch == '.' || wch == '#') {
-      if (psz == pStart || psz[-1] == ' ') {
-        CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore)
-            CFDE_CSSSelector(FDE_CSSSELECTORTYPE_Element, L"*", 1, TRUE);
-        if (p == NULL) {
-          return NULL;
-        }
-        if (pFirst != NULL) {
-          pFirst->SetType(FDE_CSSSELECTORTYPE_Descendant);
-          p->SetNext(pFirst);
-        }
-        pFirst = pLast = p;
-      }
-      FXSYS_assert(pLast != NULL);
-      int32_t iNameLen = FDE_GetCSSNameLen(++psz, pEnd);
-      if (iNameLen == 0) {
-        return NULL;
-      }
-      FDE_CSSSELECTORTYPE eType =
-          wch == '.' ? FDE_CSSSELECTORTYPE_Class : FDE_CSSSELECTORTYPE_ID;
-      CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore)
-          CFDE_CSSSelector(eType, psz, iNameLen, FALSE);
-      if (p == NULL) {
-        return NULL;
-      }
-      p->SetNext(pLast->GetNextSelector());
-      pLast->SetNext(p);
-      pLast = p;
-      psz += iNameLen;
-    } else if (FDE_IsCSSChar(wch) || wch == '*') {
-      int32_t iNameLen = wch == '*' ? 1 : FDE_GetCSSNameLen(psz, pEnd);
-      if (iNameLen == 0) {
-        return NULL;
-      }
-      CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore)
-          CFDE_CSSSelector(FDE_CSSSELECTORTYPE_Element, psz, iNameLen, TRUE);
-      if (p == NULL) {
-        return NULL;
-      }
-      if (pFirst == NULL) {
-        pFirst = pLast = p;
-      } else {
-        pFirst->SetType(FDE_CSSSELECTORTYPE_Descendant);
-        p->SetNext(pFirst);
-        pFirst = pLast = p;
-      }
-      psz += iNameLen;
-    } else if (wch == ':') {
-      int32_t iNameLen = FDE_GetCSSPersudoLen(psz, pEnd);
-      if (iNameLen == 0) {
-        return NULL;
-      }
-      CFDE_CSSSelector* p = FXTARGET_NewWith(pStaticStore)
-          CFDE_CSSSelector(FDE_CSSSELECTORTYPE_Persudo, psz, iNameLen, TRUE);
-      if (p == NULL) {
-        return NULL;
-      }
-      if (pPersudoFirst == NULL) {
-        pPersudoFirst = pPersudoLast = p;
-      } else {
-        pPersudoLast->SetNext(p);
-        pPersudoLast = p;
-      }
-      psz += iNameLen;
-    } else if (wch == ' ') {
-      psz++;
-    } else {
-      return NULL;
-    }
-  }
-  if (pPersudoFirst == NULL) {
-    return pFirst;
-  } else {
-    pPersudoLast->SetNext(pFirst);
-    return pPersudoFirst;
-  }
-}