Move xfa/src up to xfa/.

xfa/src/fde/css/fde_csssyntax.cpp

Index: xfa/src/fde/css/fde_csssyntax.cpp
diff --git a/xfa/src/fde/css/fde_csssyntax.cpp b/xfa/src/fde/css/fde_csssyntax.cpp
deleted file mode 100644
index 5fe502e8b9a2f7746597b6d3c2228ea5e525fed2..0000000000000000000000000000000000000000
--- a/xfa/src/fde/css/fde_csssyntax.cpp
+++ /dev/null
@@ -1,487 +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_csssyntax.h"
-
-#include "xfa/src/fde/css/fde_cssdatatable.h"
-#include "xfa/src/fgas/crt/fgas_codepage.h"
-
-#ifdef _cplusplus
-extern "C" {
-#endif
-
-inline FX_BOOL FDE_IsSelectorStart(FX_WCHAR wch) {
-  return wch == '.' || wch == '#' || wch == '*' || (wch >= 'a' && wch <= 'z') ||
-         (wch >= 'A' && wch <= 'Z');
-}
-
-#ifdef _cplusplus
-};
-#endif
-
-IFDE_CSSSyntaxParser* IFDE_CSSSyntaxParser::Create() {
-  return new CFDE_CSSSyntaxParser;
-}
-CFDE_CSSSyntaxParser::CFDE_CSSSyntaxParser()
-    : m_pStream(NULL),
-      m_iStreamPos(0),
-      m_iPlaneSize(0),
-      m_iTextDatLen(0),
-      m_dwCheck((FX_DWORD)-1),
-      m_eMode(FDE_CSSSYNTAXMODE_RuleSet),
-      m_eStatus(FDE_CSSSYNTAXSTATUS_None) {}
-CFDE_CSSSyntaxParser::~CFDE_CSSSyntaxParser() {
-  m_TextData.Reset();
-  m_TextPlane.Reset();
-}
-FX_BOOL CFDE_CSSSyntaxParser::Init(IFX_Stream* pStream,
-                                   int32_t iCSSPlaneSize,
-                                   int32_t iTextDataSize,
-                                   FX_BOOL bOnlyDeclaration) {
-  FXSYS_assert(pStream != NULL && iCSSPlaneSize > 0 && iTextDataSize > 0);
-  Reset(bOnlyDeclaration);
-  if (!m_TextData.EstimateSize(iTextDataSize)) {
-    return FALSE;
-  }
-  uint8_t bom[4];
-  m_pStream = pStream;
-  m_iStreamPos = m_pStream->GetBOM(bom);
-  m_iPlaneSize = iCSSPlaneSize;
-  return TRUE;
-}
-FX_BOOL CFDE_CSSSyntaxParser::Init(const FX_WCHAR* pBuffer,
-                                   int32_t iBufferSize,
-                                   int32_t iTextDatSize,
-                                   FX_BOOL bOnlyDeclaration) {
-  FXSYS_assert(pBuffer != NULL && iBufferSize > 0 && iTextDatSize > 0);
-  Reset(bOnlyDeclaration);
-  if (!m_TextData.EstimateSize(iTextDatSize)) {
-    return FALSE;
-  }
-  return m_TextPlane.AttachBuffer(pBuffer, iBufferSize);
-}
-void CFDE_CSSSyntaxParser::Reset(FX_BOOL bOnlyDeclaration) {
-  m_TextPlane.Reset();
-  m_TextData.Reset();
-  m_pStream = NULL;
-  m_iStreamPos = 0;
-  m_iTextDatLen = 0;
-  m_dwCheck = (FX_DWORD)-1;
-  m_eStatus = FDE_CSSSYNTAXSTATUS_None;
-  m_eMode = bOnlyDeclaration ? FDE_CSSSYNTAXMODE_PropertyName
-                             : FDE_CSSSYNTAXMODE_RuleSet;
-}
-FDE_CSSSYNTAXSTATUS CFDE_CSSSyntaxParser::DoSyntaxParse() {
-  while (m_eStatus >= FDE_CSSSYNTAXSTATUS_None) {
-    if (m_TextPlane.IsEOF()) {
-      if (m_pStream == NULL) {
-        if (m_eMode == FDE_CSSSYNTAXMODE_PropertyValue &&
-            m_TextData.GetLength() > 0) {
-          SaveTextData();
-          return m_eStatus = FDE_CSSSYNTAXSTATUS_PropertyValue;
-        }
-        return m_eStatus = FDE_CSSSYNTAXSTATUS_EOS;
-      }
-      FX_BOOL bEOS;
-      int32_t iLen = m_TextPlane.LoadFromStream(m_pStream, m_iStreamPos,
-                                                m_iPlaneSize, bEOS);
-      m_iStreamPos = m_pStream->GetPosition();
-      if (iLen < 1) {
-        if (m_eMode == FDE_CSSSYNTAXMODE_PropertyValue &&
-            m_TextData.GetLength() > 0) {
-          SaveTextData();
-          return m_eStatus = FDE_CSSSYNTAXSTATUS_PropertyValue;
-        }
-        return m_eStatus = FDE_CSSSYNTAXSTATUS_EOS;
-      }
-    }
-    FX_WCHAR wch;
-    while (!m_TextPlane.IsEOF()) {
-      wch = m_TextPlane.GetChar();
-      switch (m_eMode) {
-        case FDE_CSSSYNTAXMODE_RuleSet:
-          switch (wch) {
-            case '@':
-              m_TextPlane.MoveNext();
-              SwitchMode(FDE_CSSSYNTAXMODE_AtRule);
-              break;
-            case '}':
-              m_TextPlane.MoveNext();
-              if (RestoreMode()) {
-                return FDE_CSSSYNTAXSTATUS_DeclClose;
-              } else {
-                return m_eStatus = FDE_CSSSYNTAXSTATUS_Error;
-              }
-              break;
-            case '/':
-              if (m_TextPlane.GetNextChar() == '*') {
-                m_ModeStack.Push(m_eMode);
-                SwitchMode(FDE_CSSSYNTAXMODE_Comment);
-                break;
-              }
-            default:
-              if (wch <= ' ') {
-                m_TextPlane.MoveNext();
-              } else if (FDE_IsSelectorStart(wch)) {
-                SwitchMode(FDE_CSSSYNTAXMODE_Selector);
-                return FDE_CSSSYNTAXSTATUS_StyleRule;
-              } else {
-                return m_eStatus = FDE_CSSSYNTAXSTATUS_Error;
-              }
-              break;
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_Selector:
-          switch (wch) {
-            case ',':
-              m_TextPlane.MoveNext();
-              SwitchMode(FDE_CSSSYNTAXMODE_Selector);
-              if (m_iTextDatLen > 0) {
-                return FDE_CSSSYNTAXSTATUS_Selector;
-              }
-              break;
-            case '{':
-              if (m_TextData.GetLength() > 0) {
-                SaveTextData();
-                return FDE_CSSSYNTAXSTATUS_Selector;
-              } else {
-                m_TextPlane.MoveNext();
-                m_ModeStack.Push(FDE_CSSSYNTAXMODE_RuleSet);
-                SwitchMode(FDE_CSSSYNTAXMODE_PropertyName);
-                return FDE_CSSSYNTAXSTATUS_DeclOpen;
-              }
-              break;
-            case '/':
-              if (m_TextPlane.GetNextChar() == '*') {
-                if (SwitchToComment() > 0) {
-                  return FDE_CSSSYNTAXSTATUS_Selector;
-                }
-                break;
-              }
-            default:
-              AppendChar(wch);
-              break;
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_PropertyName:
-          switch (wch) {
-            case ':':
-              m_TextPlane.MoveNext();
-              SwitchMode(FDE_CSSSYNTAXMODE_PropertyValue);
-              return FDE_CSSSYNTAXSTATUS_PropertyName;
-            case '}':
-              m_TextPlane.MoveNext();
-              if (RestoreMode()) {
-                return FDE_CSSSYNTAXSTATUS_DeclClose;
-              } else {
-                return m_eStatus = FDE_CSSSYNTAXSTATUS_Error;
-              }
-              break;
-            case '/':
-              if (m_TextPlane.GetNextChar() == '*') {
-                if (SwitchToComment() > 0) {
-                  return FDE_CSSSYNTAXSTATUS_PropertyName;
-                }
-                break;
-              }
-            default:
-              AppendChar(wch);
-              break;
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_PropertyValue:
-          switch (wch) {
-            case ';':
-              m_TextPlane.MoveNext();
-            case '}':
-              SwitchMode(FDE_CSSSYNTAXMODE_PropertyName);
-              return FDE_CSSSYNTAXSTATUS_PropertyValue;
-            case '/':
-              if (m_TextPlane.GetNextChar() == '*') {
-                if (SwitchToComment() > 0) {
-                  return FDE_CSSSYNTAXSTATUS_PropertyValue;
-                }
-                break;
-              }
-            default:
-              AppendChar(wch);
-              break;
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_Comment:
-          if (wch == '/' && m_TextData.GetLength() > 0 &&
-              m_TextData.GetAt(m_TextData.GetLength() - 1) == '*') {
-            RestoreMode();
-          } else {
-            m_TextData.AppendChar(wch);
-          }
-          m_TextPlane.MoveNext();
-          break;
-        case FDE_CSSSYNTAXMODE_MediaType:
-          switch (wch) {
-            case ',':
-              m_TextPlane.MoveNext();
-              SwitchMode(FDE_CSSSYNTAXMODE_MediaType);
-              if (m_iTextDatLen > 0) {
-                return FDE_CSSSYNTAXSTATUS_MediaType;
-              }
-              break;
-            case '{': {
-              FDE_CSSSYNTAXMODE* pMode = m_ModeStack.GetTopElement();
-              if (pMode == NULL || *pMode != FDE_CSSSYNTAXMODE_MediaRule) {
-                return m_eStatus = FDE_CSSSYNTAXSTATUS_Error;
-              }
-              if (m_TextData.GetLength() > 0) {
-                SaveTextData();
-                return FDE_CSSSYNTAXSTATUS_MediaType;
-              } else {
-                m_TextPlane.MoveNext();
-                *pMode = FDE_CSSSYNTAXMODE_RuleSet;
-                SwitchMode(FDE_CSSSYNTAXMODE_RuleSet);
-                return FDE_CSSSYNTAXSTATUS_DeclOpen;
-              }
-            } break;
-            case ';': {
-              FDE_CSSSYNTAXMODE* pMode = m_ModeStack.GetTopElement();
-              if (pMode == NULL || *pMode != FDE_CSSSYNTAXMODE_Import) {
-                return m_eStatus = FDE_CSSSYNTAXSTATUS_Error;
-              }
-              if (m_TextData.GetLength() > 0) {
-                SaveTextData();
-                if (IsImportEnabled()) {
-                  return FDE_CSSSYNTAXSTATUS_MediaType;
-                }
-              } else {
-                FX_BOOL bEnabled = IsImportEnabled();
-                m_TextPlane.MoveNext();
-                m_ModeStack.Pop();
-                SwitchMode(FDE_CSSSYNTAXMODE_RuleSet);
-                if (bEnabled) {
-                  DisableImport();
-                  return FDE_CSSSYNTAXSTATUS_ImportClose;
-                }
-              }
-            } break;
-            case '/':
-              if (m_TextPlane.GetNextChar() == '*') {
-                if (SwitchToComment() > 0) {
-                  return FDE_CSSSYNTAXSTATUS_MediaType;
-                }
-                break;
-              }
-            default:
-              AppendChar(wch);
-              break;
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_URI: {
-          FDE_CSSSYNTAXMODE* pMode = m_ModeStack.GetTopElement();
-          if (pMode == NULL || *pMode != FDE_CSSSYNTAXMODE_Import) {
-            return m_eStatus = FDE_CSSSYNTAXSTATUS_Error;
-          }
-          if (wch <= ' ' || wch == ';') {
-            int32_t iURIStart, iURILength = m_TextData.GetLength();
-            if (iURILength > 0 &&
-                FDE_ParseCSSURI(m_TextData.GetBuffer(), iURILength, iURIStart,
-                                iURILength)) {
-              m_TextData.Subtract(iURIStart, iURILength);
-              SwitchMode(FDE_CSSSYNTAXMODE_MediaType);
-              if (IsImportEnabled()) {
-                return FDE_CSSSYNTAXSTATUS_URI;
-              } else {
-                break;
-              }
-            }
-          }
-          AppendChar(wch);
-        } break;
-        case FDE_CSSSYNTAXMODE_AtRule:
-          if (wch > ' ') {
-            AppendChar(wch);
-          } else {
-            int32_t iLen = m_TextData.GetLength();
-            const FX_WCHAR* psz = m_TextData.GetBuffer();
-            if (FXSYS_wcsncmp(L"charset", psz, iLen) == 0) {
-              SwitchMode(FDE_CSSSYNTAXMODE_Charset);
-            } else if (FXSYS_wcsncmp(L"import", psz, iLen) == 0) {
-              m_ModeStack.Push(FDE_CSSSYNTAXMODE_Import);
-              SwitchMode(FDE_CSSSYNTAXMODE_URI);
-              if (IsImportEnabled()) {
-                return FDE_CSSSYNTAXSTATUS_ImportRule;
-              } else {
-                break;
-              }
-            } else if (FXSYS_wcsncmp(L"media", psz, iLen) == 0) {
-              m_ModeStack.Push(FDE_CSSSYNTAXMODE_MediaRule);
-              SwitchMode(FDE_CSSSYNTAXMODE_MediaType);
-              return FDE_CSSSYNTAXSTATUS_MediaRule;
-            } else if (FXSYS_wcsncmp(L"font-face", psz, iLen) == 0) {
-              SwitchMode(FDE_CSSSYNTAXMODE_Selector);
-              return FDE_CSSSYNTAXSTATUS_FontFaceRule;
-            } else if (FXSYS_wcsncmp(L"page", psz, iLen) == 0) {
-              SwitchMode(FDE_CSSSYNTAXMODE_Selector);
-              return FDE_CSSSYNTAXSTATUS_PageRule;
-            } else {
-              SwitchMode(FDE_CSSSYNTAXMODE_UnknownRule);
-            }
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_Charset:
-          if (wch == ';') {
-            m_TextPlane.MoveNext();
-            SwitchMode(FDE_CSSSYNTAXMODE_RuleSet);
-            if (IsCharsetEnabled()) {
-              DisableCharset();
-              if (m_iTextDatLen > 0) {
-                if (m_pStream != NULL) {
-                  FX_WORD wCodePage = FX_GetCodePageFormStringW(
-                      m_TextData.GetBuffer(), m_iTextDatLen);
-                  if (wCodePage < 0xFFFF &&
-                      m_pStream->GetCodePage() != wCodePage) {
-                    m_pStream->SetCodePage(wCodePage);
-                  }
-                }
-                return FDE_CSSSYNTAXSTATUS_Charset;
-              }
-            }
-          } else {
-            AppendChar(wch);
-          }
-          break;
-        case FDE_CSSSYNTAXMODE_UnknownRule:
-          if (wch == ';') {
-            SwitchMode(FDE_CSSSYNTAXMODE_RuleSet);
-          }
-          m_TextPlane.MoveNext();
-          break;
-        default:
-          FXSYS_assert(FALSE);
-          break;
-      }
-    }
-  }
-  return m_eStatus;
-}
-FX_BOOL CFDE_CSSSyntaxParser::IsImportEnabled() const {
-  if ((m_dwCheck & FDE_CSSSYNTAXCHECK_AllowImport) == 0) {
-    return FALSE;
-  }
-  if (m_ModeStack.GetSize() > 1) {
-    return FALSE;
-  }
-  return TRUE;
-}
-inline FX_BOOL CFDE_CSSSyntaxParser::AppendChar(FX_WCHAR wch) {
-  m_TextPlane.MoveNext();
-  if (m_TextData.GetLength() > 0 || wch > ' ') {
-    m_TextData.AppendChar(wch);
-    return TRUE;
-  }
-  return FALSE;
-}
-inline int32_t CFDE_CSSSyntaxParser::SaveTextData() {
-  m_iTextDatLen = m_TextData.TrimEnd();
-  m_TextData.Clear();
-  return m_iTextDatLen;
-}
-inline void CFDE_CSSSyntaxParser::SwitchMode(FDE_CSSSYNTAXMODE eMode) {
-  m_eMode = eMode;
-  SaveTextData();
-}
-inline int32_t CFDE_CSSSyntaxParser::SwitchToComment() {
-  int32_t iLength = m_TextData.GetLength();
-  m_ModeStack.Push(m_eMode);
-  SwitchMode(FDE_CSSSYNTAXMODE_Comment);
-  return iLength;
-}
-inline FX_BOOL CFDE_CSSSyntaxParser::RestoreMode() {
-  FDE_CSSSYNTAXMODE* pMode = m_ModeStack.GetTopElement();
-  if (pMode == NULL) {
-    return FALSE;
-  }
-  SwitchMode(*pMode);
-  m_ModeStack.Pop();
-  return TRUE;
-}
-const FX_WCHAR* CFDE_CSSSyntaxParser::GetCurrentString(int32_t& iLength) const {
-  iLength = m_iTextDatLen;
-  return m_TextData.GetBuffer();
-}
-CFDE_CSSTextBuf::CFDE_CSSTextBuf()
-    : m_bExtBuf(FALSE),
-      m_pBuffer(NULL),
-      m_iBufLen(0),
-      m_iDatLen(0),
-      m_iDatPos(0) {}
-CFDE_CSSTextBuf::~CFDE_CSSTextBuf() {
-  Reset();
-}
-void CFDE_CSSTextBuf::Reset() {
-  if (!m_bExtBuf) {
-    FX_Free(m_pBuffer);
-    m_pBuffer = NULL;
-  }
-  m_iDatPos = m_iDatLen = m_iBufLen;
-}
-FX_BOOL CFDE_CSSTextBuf::AttachBuffer(const FX_WCHAR* pBuffer,
-                                      int32_t iBufLen) {
-  Reset();
-  m_pBuffer = (FX_WCHAR*)pBuffer;
-  m_iDatLen = m_iBufLen = iBufLen;
-  return m_bExtBuf = TRUE;
-}
-FX_BOOL CFDE_CSSTextBuf::EstimateSize(int32_t iAllocSize) {
-  FXSYS_assert(iAllocSize > 0);
-  Clear();
-  m_bExtBuf = FALSE;
-  return ExpandBuf(iAllocSize);
-}
-int32_t CFDE_CSSTextBuf::LoadFromStream(IFX_Stream* pTxtStream,
-                                        int32_t iStreamOffset,
-                                        int32_t iMaxChars,
-                                        FX_BOOL& bEOS) {
-  FXSYS_assert(iStreamOffset >= 0 && iMaxChars > 0);
-  Clear();
-  m_bExtBuf = FALSE;
-  if (!ExpandBuf(iMaxChars)) {
-    return 0;
-  }
-  if (pTxtStream->GetPosition() != iStreamOffset) {
-    pTxtStream->Seek(FX_STREAMSEEK_Begin, iStreamOffset);
-  }
-  m_iDatLen = pTxtStream->ReadString(m_pBuffer, iMaxChars, bEOS);
-  return m_iDatLen;
-}
-FX_BOOL CFDE_CSSTextBuf::ExpandBuf(int32_t iDesiredSize) {
-  if (m_bExtBuf) {
-    return FALSE;
-  }
-  if (!m_pBuffer) {
-    m_pBuffer = FX_Alloc(FX_WCHAR, iDesiredSize);
-  } else if (m_iBufLen != iDesiredSize) {
-    m_pBuffer = FX_Realloc(FX_WCHAR, m_pBuffer, iDesiredSize);
-  } else {
-    return TRUE;
-  }
-  if (!m_pBuffer) {
-    m_iBufLen = 0;
-    return FALSE;
-  }
-  m_iBufLen = iDesiredSize;
-  return TRUE;
-}
-void CFDE_CSSTextBuf::Subtract(int32_t iStart, int32_t iLength) {
-  FXSYS_assert(iStart >= 0 && iLength > 0);
-  if (iLength > m_iDatLen - iStart) {
-    iLength = m_iDatLen - iStart;
-  }
-  if (iLength < 0) {
-    iLength = 0;
-  } else {
-    FXSYS_memmove(m_pBuffer, m_pBuffer + iStart, iLength * sizeof(FX_WCHAR));
-  }
-  m_iDatLen = iLength;
-}