C++ CFX_WideString函数代码示例

CFGAS_GEFont* CFGAS_FontMgr::GetFontByUnicode(FX_WCHAR wUnicode,
                                              uint32_t dwFontStyles,
                                              const FX_WCHAR* pszFontFamily) {
  CFGAS_GEFont* pFont = nullptr;
  if (m_FailedUnicodes2Nullptr.Lookup(wUnicode, pFont))
    return nullptr;
  const FGAS_FONTUSB* x = FGAS_GetUnicodeBitField(wUnicode);
  uint16_t wCodePage = x ? x->wCodePage : 0xFFFF;
  uint16_t wBitField = x ? x->wBitField : 0x03E7;
  CFX_ByteString bsHash;
  if (wCodePage == 0xFFFF)
    bsHash.Format("%d, %d, %d", wCodePage, wBitField, dwFontStyles);
  else
    bsHash.Format("%d, %d", wCodePage, dwFontStyles);
  bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
  uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
  CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
  if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
    if (!pFonts)
      return nullptr;

    for (int32_t i = 0; i < pFonts->GetSize(); ++i) {
      if (VerifyUnicode(pFonts->GetAt(i), wUnicode))
        return pFonts->GetAt(i)->Retain();
    }
  }
  if (!pFonts)
    pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;
  m_Hash2Fonts.SetAt(dwHash, pFonts);
  CFX_FontDescriptorInfos* sortedFonts = nullptr;
  if (!m_Hash2CandidateList.Lookup(dwHash, sortedFonts)) {
    sortedFonts = new CFX_FontDescriptorInfos;
    MatchFonts(*sortedFonts, wCodePage, dwFontStyles,
               CFX_WideString(pszFontFamily), wUnicode);
    m_Hash2CandidateList.SetAt(dwHash, sortedFonts);
  }
  for (int32_t i = 0; i < sortedFonts->GetSize(); ++i) {
    CFX_FontDescriptor* pDesc = sortedFonts->GetAt(i).pFont;
    if (!VerifyUnicode(pDesc, wUnicode))
      continue;
    pFont = LoadFont(pDesc->m_wsFaceName, pDesc->m_nFaceIndex, nullptr);
    if (!pFont)
      continue;
    pFont->SetLogicalFontStyle(dwFontStyles);
    pFonts->Add(pFont);
    return pFont;
  }
  if (!pszFontFamily)
    m_FailedUnicodes2Nullptr.SetAt(wUnicode, nullptr);
  return nullptr;
}

FX_BOOL util::printx(OBJ_METHOD_PARAMS)
{
	int iSize = params.size();
	if (iSize<2)
		return FALSE;
	CFX_WideString sFormat = params[0].operator CFX_WideString();
	CFX_WideString sSource = params[1].operator CFX_WideString();
	std::string cFormat = (FX_LPCSTR)CFX_ByteString::FromUnicode(sFormat);
	std::string cSource = (FX_LPCSTR)CFX_ByteString::FromUnicode(sSource);
	std::string cDest;
	printx(cFormat,cSource,cDest);
	vRet = cDest.c_str();
	return TRUE;
}

CFX_WideString CPDF_FormField::GetOptionText(int index, int sub_index) const {
  CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt"));
  if (!pArray)
    return CFX_WideString();

  CPDF_Object* pOption = pArray->GetDirectObjectAt(index);
  if (!pOption)
    return CFX_WideString();
  if (CPDF_Array* pOptionArray = pOption->AsArray())
    pOption = pOptionArray->GetDirectObjectAt(sub_index);

  CPDF_String* pString = ToString(pOption);
  return pString ? pString->GetUnicodeText() : CFX_WideString();
}

int CPDFDoc_Environment::JS_appAlert(const FX_WCHAR* Msg, const FX_WCHAR* Title, FX_UINT Type, FX_UINT Icon)
{
    if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->app_alert)
    {
        CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode();
        CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode();
        FPDF_WIDESTRING pMsg = (FPDF_WIDESTRING)bsMsg.GetBuffer(bsMsg.GetLength());
        FPDF_WIDESTRING pTitle = (FPDF_WIDESTRING)bsTitle.GetBuffer(bsTitle.GetLength());
        int ret = m_pInfo->m_pJsPlatform->app_alert(m_pInfo->m_pJsPlatform, pMsg, pTitle, Type, Icon);
        bsMsg.ReleaseBuffer();
        bsTitle.ReleaseBuffer();
        return ret;
    }
    return -1;
}

CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(uint32_t charcode) const {
  CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode);
  if (!str.IsEmpty())
    return str;
  FX_WCHAR ret = GetUnicodeFromCharCode(charcode);
  return ret ? ret : CFX_WideString();
}

CFX_ByteString CFX_FontSourceEnum_File::GetNextFile() {
Restart:
  void* pCurHandle =
      m_FolderQueue.GetSize() != 0
          ? m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->pFileHandle
          : nullptr;
  if (!pCurHandle) {
    if (m_FolderPaths.GetSize() < 1) {
      return "";
    }
    pCurHandle =
        FX_OpenFolder(m_FolderPaths[m_FolderPaths.GetSize() - 1].c_str());
    FX_HandleParentPath hpp;
    hpp.pFileHandle = pCurHandle;
    hpp.bsParentPath = m_FolderPaths[m_FolderPaths.GetSize() - 1];
    m_FolderQueue.Add(hpp);
  }
  CFX_ByteString bsName;
  FX_BOOL bFolder;
  CFX_ByteString bsFolderSpearator =
      CFX_ByteString::FromUnicode(CFX_WideString(FX_GetFolderSeparator()));
  while (TRUE) {
    if (!FX_GetNextFile(pCurHandle, bsName, bFolder)) {
      FX_CloseFolder(pCurHandle);
      m_FolderQueue.RemoveAt(m_FolderQueue.GetSize() - 1);
      if (m_FolderQueue.GetSize() == 0) {
        m_FolderPaths.RemoveAt(m_FolderPaths.GetSize() - 1);
        if (m_FolderPaths.GetSize() == 0) {
          return "";
        } else {
          goto Restart;
        }
      }
      pCurHandle =
          m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->pFileHandle;
      continue;
    }
    if (bsName == "." || bsName == "..") {
      continue;
    }
    if (bFolder) {
      FX_HandleParentPath hpp;
      hpp.bsParentPath =
          m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->bsParentPath +
          bsFolderSpearator + bsName;
      hpp.pFileHandle = FX_OpenFolder(hpp.bsParentPath.c_str());
      if (!hpp.pFileHandle) {
        continue;
      }
      m_FolderQueue.Add(hpp);
      pCurHandle = hpp.pFileHandle;
      continue;
    }
    bsName =
        m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->bsParentPath +
        bsFolderSpearator + bsName;
    break;
  }
  return bsName;
}

static CFX_WideString FILESPEC_DecodeFileName(const CFX_WideStringC& filepath) {
  if (filepath.GetLength() <= 1) {
    return CFX_WideString();
  }
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
  if (filepath.Left(sizeof("/Mac") - 1) == CFX_WideStringC(L"/Mac")) {
    return ChangeSlashToPlatform(filepath.GetPtr() + 1);
  }
  return ChangeSlashToPlatform(filepath.GetPtr());
#elif _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
  if (filepath.GetAt(0) != '/') {
    return ChangeSlashToPlatform(filepath.GetPtr());
  }
  if (filepath.GetAt(1) == '/') {
    return ChangeSlashToPlatform(filepath.GetPtr() + 1);
  }
  if (filepath.GetAt(2) == '/') {
    CFX_WideString result;
    result += filepath.GetAt(1);
    result += ':';
    result += ChangeSlashToPlatform(filepath.GetPtr() + 2);
    return result;
  }
  CFX_WideString result;
  result += '\\';
  result += ChangeSlashToPlatform(filepath.GetPtr());
  return result;
#else
  return filepath;
#endif
}

CFX_WideString CBC_EdifactEncoder::encodeToCodewords(CFX_WideString sb,
                                                     int32_t startPos,
                                                     int32_t& e) {
  int32_t len = sb.GetLength() - startPos;
  if (len == 0) {
    e = BCExceptionNoContents;
    return CFX_WideString();
  }
  FX_WCHAR c1 = sb.GetAt(startPos);
  FX_WCHAR c2 = len >= 2 ? sb.GetAt(startPos + 1) : 0;
  FX_WCHAR c3 = len >= 3 ? sb.GetAt(startPos + 2) : 0;
  FX_WCHAR c4 = len >= 4 ? sb.GetAt(startPos + 3) : 0;
  int32_t v = (c1 << 18) + (c2 << 12) + (c3 << 6) + c4;
  FX_WCHAR cw1 = (FX_WCHAR)((v >> 16) & 255);
  FX_WCHAR cw2 = (FX_WCHAR)((v >> 8) & 255);
  FX_WCHAR cw3 = (FX_WCHAR)(v & 255);
  CFX_WideString res;
  res += cw1;
  if (len >= 2) {
    res += cw2;
  }
  if (len >= 3) {
    res += cw3;
  }
  return res;
}

CFX_WideString Document::CutString(CFX_WideString cbFrom)
{
	size_t iLength = cbFrom.GetLength();
	pdfium::base::CheckedNumeric<size_t> iSize = sizeof(wchar_t);
	iSize *= (iLength + 1);
	wchar_t* pResult = (wchar_t*)malloc(iSize.ValueOrDie());
	wchar_t* pFrom = (wchar_t*)cbFrom.GetBuffer(iLength);

	for (int i = 0; i < iLength; i++)
	{
		if (pFrom[i] == L'\\' || pFrom[i] == L'/')
		{
			pResult[i] = L'\0';
			break;
		}
		pResult[i] = pFrom[i];
	}
	pResult[iLength] = L'\0';

	cbFrom.ReleaseBuffer();
	CFX_WideString cbRet = CFX_WideString(pResult);
	free(pResult);
	pResult = NULL;
	return cbRet;
}

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);
}

CPDF_FormField* CFieldTree::RemoveField(const CFX_WideString& full_name) {
  if (full_name == L"")
    return nullptr;

  CFieldNameExtractor name_extractor(full_name);
  const FX_WCHAR* pName;
  FX_STRSIZE nLength;
  name_extractor.GetNext(pName, nLength);
  Node* pNode = &m_Root;
  Node* pLast = nullptr;
  while (nLength > 0 && pNode) {
    pLast = pNode;
    CFX_WideString name = CFX_WideString(pName, nLength);
    pNode = Lookup(pLast, name);
    name_extractor.GetNext(pName, nLength);
  }

  if (pNode && pNode != &m_Root) {
    for (int i = 0; i < pLast->children.GetSize(); i++) {
      if (pNode == pLast->children[i]) {
        pLast->children.RemoveAt(i);
        break;
      }
    }
    CPDF_FormField* pField = pNode->field_ptr;
    RemoveNode(pNode);
    return pField;
  }
  return nullptr;
}

CFX_WideString CPDF_Dictionary::GetUnicodeText(const CFX_ByteStringC& key,
                                               CFX_CharMap* pCharMap) const {
  CPDF_Object* p = GetElement(key);
  if (CPDF_Reference* pRef = ToReference(p))
    p = pRef->GetDirect();
  return p ? p->GetUnicodeText(pCharMap) : CFX_WideString();
}

v8::Handle<v8::String> WSToJSString(IJS_Runtime* pJSRuntime, const wchar_t* PropertyName, int Len = -1)
{
	CFX_WideString ws = CFX_WideString(PropertyName,Len);
	CFX_ByteString bs = ws.UTF8Encode();
	if(!pJSRuntime) pJSRuntime = v8::Isolate::GetCurrent();
	return v8::String::NewFromUtf8(pJSRuntime, bs.c_str());
}

CFX_WideString CFPF_SkiaFont::GetPsName()
{
    if (!m_Face) {
        return CFX_WideString();
    }
    return CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(m_Face));
}

CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const
{
    if (this == NULL) {
        return CFX_WideString();
    }
    if (m_Type == PDFOBJ_STRING) {
        return PDF_DecodeText(((CPDF_String*)this)->m_String, pCharMap);
    } else if (m_Type == PDFOBJ_STREAM) {
        CPDF_StreamAcc stream;
        stream.LoadAllData((CPDF_Stream*)this, FALSE);
        CFX_WideString result = PDF_DecodeText(stream.GetData(), stream.GetSize(), pCharMap);
        return result;
    } else if (m_Type == PDFOBJ_NAME) {
        return PDF_DecodeText(((CPDF_Name*)this)->m_Name, pCharMap);
    }
    return CFX_WideString();
}