C++ CFX_WideString::TrimLeft方法代码示例

static int32_t XFA_FilterName(const CFX_WideStringC& wsExpression,
                              int32_t nStart,
                              CFX_WideString& wsFilter) {
    FXSYS_assert(nStart > -1);
    int32_t iLength = wsExpression.GetLength();
    if (nStart >= iLength) {
        return iLength;
    }
    FX_WCHAR* pBuf = wsFilter.GetBuffer(iLength - nStart);
    int32_t nCount = 0;
    const FX_WCHAR* pSrc = wsExpression.GetPtr();
    FX_WCHAR wCur;
    while (nStart < iLength) {
        wCur = pSrc[nStart++];
        if (wCur == ',') {
            break;
        }
        pBuf[nCount++] = wCur;
    }
    wsFilter.ReleaseBuffer(nCount);
    wsFilter.TrimLeft();
    wsFilter.TrimRight();
    return nStart;
}

void CXFA_ResolveProcessor::XFA_ResolveNode_FilterCondition(
    CXFA_ResolveNodesData& rnd,
    CFX_WideString wsCondition) {
  CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes;
  int32_t iCurrIndex = 0;
  const CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray();
  int32_t iSize = array.GetSize();
  if (iSize) {
    CXFA_Node* curNode = array[iSize - 1];
    FX_BOOL bIsProperty = m_pNodeHelper->XFA_NodeIsProperty(curNode);
    if (curNode->IsUnnamed() ||
        (bIsProperty && curNode->GetClassID() != XFA_ELEMENT_PageSet)) {
      iCurrIndex = m_pNodeHelper->XFA_GetIndex(curNode, XFA_LOGIC_Transparent,
                                               bIsProperty, TRUE);
    } else {
      iCurrIndex = m_pNodeHelper->XFA_GetIndex(curNode, XFA_LOGIC_Transparent,
                                               bIsProperty, FALSE);
    }
  }
  int32_t iFoundCount = findNodes.GetSize();
  wsCondition.TrimLeft();
  wsCondition.TrimRight();
  int32_t iLen = wsCondition.GetLength();
  if (!iLen) {
    if (rnd.m_dwStyles & XFA_RESOLVENODE_ALL) {
      return;
    }
    if (iFoundCount == 1) {
      return;
    }
    if (iFoundCount <= iCurrIndex) {
      if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) {
        m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode);
        m_pNodeHelper->m_iCreateCount = iCurrIndex - iFoundCount + 1;
      }
      findNodes.RemoveAll();
      return;
    } else {
      CXFA_Node* ret = findNodes[iCurrIndex];
      findNodes.RemoveAll();
      findNodes.Add(ret);
      return;
    }
  }
  FX_WCHAR wTypeChar = wsCondition[0];
  switch (wTypeChar) {
    case '[':
      XFA_ResolveNode_ConditionArray(iCurrIndex, wsCondition, iFoundCount, rnd);
      return;
    case '(':
      return;
    case '"':
      return;
    case '.':
      if (iLen > 1 && (wsCondition[1] == '[' || wsCondition[1] == '(')) {
        XFA_ResolveNode_DoPredicateFilter(iCurrIndex, wsCondition, iFoundCount,
                                          rnd);
      }
    default:
      return;
  }
}

FX_BOOL Document::getPageNthWord(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError)
{
	ASSERT(m_pDocument != NULL);

	if (!m_pDocument->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) return FALSE;

	int nPageNo = params.GetSize() > 0 ? params[0].ToInt() : 0;
	int nWordNo = params.GetSize() > 1 ? params[1].ToInt() : 0;
	bool bStrip = params.GetSize() > 2 ? params[2].ToBool() : true;

	CPDF_Document* pDocument = m_pDocument->GetDocument();
	if (!pDocument) return FALSE;

	CJS_Context* pContext = static_cast<CJS_Context*>(cc);
	if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
	{
		sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
		return FALSE;
	}

	CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
	if (!pPageDict) return FALSE;

	CPDF_Page page;
	page.Load(pDocument, pPageDict);
	page.StartParse();
	page.ParseContent();

	FX_POSITION pos = page.GetFirstObjectPosition();

	int nWords = 0;

	CFX_WideString swRet;

	while (pos)
	{
		if (CPDF_PageObject* pPageObj = page.GetNextObject(pos))
		{
			if (pPageObj->m_Type == PDFPAGE_TEXT)
			{
				int nObjWords = CountWords((CPDF_TextObject*)pPageObj);

				if (nWords + nObjWords >= nWordNo)
				{
					swRet = GetObjWordStr((CPDF_TextObject*)pPageObj, nWordNo - nWords);
					break;
				}

				nWords += nObjWords;
			}
		}
	}

	if (bStrip)
	{
		swRet.TrimLeft();
		swRet.TrimRight();
	}

	vRet = swRet.c_str();
	return TRUE;
}

bool CPDFXFA_DocEnvironment::SubmitDataInternal(CXFA_FFDoc* hDoc,
                                                CXFA_Submit submit) {
  CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
  if (!pFormFillEnv)
    return false;

  CFX_WideStringC csURLC;
  submit.GetSubmitTarget(csURLC);
  CFX_WideString csURL(csURLC);
  if (csURL.IsEmpty()) {
    CFX_WideString ws;
    ws.FromLocal("Submit cancelled.");
    CFX_ByteString bs = ws.UTF16LE_Encode();
    int len = bs.GetLength();
    pFormFillEnv->Alert((FPDF_WIDESTRING)bs.GetBuffer(len),
                        (FPDF_WIDESTRING)L"", 0, 4);
    bs.ReleaseBuffer(len);
    return false;
  }

  FPDF_FILEHANDLER* pFileHandler = nullptr;
  int fileFlag = -1;
  switch (submit.GetSubmitFormat()) {
    case XFA_ATTRIBUTEENUM_Xdp: {
      CFX_WideStringC csContentC;
      submit.GetSubmitXDPContent(csContentC);
      CFX_WideString csContent;
      csContent = csContentC;
      csContent.TrimLeft();
      csContent.TrimRight();
      CFX_WideString space;
      space.FromLocal(" ");
      csContent = space + csContent + space;
      FPDF_DWORD flag = 0;
      if (submit.IsSubmitEmbedPDF())
        flag |= FXFA_PDF;

      ToXFAContentFlags(csContent, flag);
      pFileHandler = pFormFillEnv->OpenFile(FXFA_SAVEAS_XDP, nullptr, "wb");
      fileFlag = FXFA_SAVEAS_XDP;
      ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XDP, 0, flag);
      break;
    }
    case XFA_ATTRIBUTEENUM_Xml:
      pFileHandler = pFormFillEnv->OpenFile(FXFA_SAVEAS_XML, nullptr, "wb");
      fileFlag = FXFA_SAVEAS_XML;
      ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XML, 0, FXFA_XFA_ALL);
      break;
    case XFA_ATTRIBUTEENUM_Pdf:
      break;
    case XFA_ATTRIBUTEENUM_Urlencoded:
      pFileHandler = pFormFillEnv->OpenFile(FXFA_SAVEAS_XML, nullptr, "wb");
      fileFlag = FXFA_SAVEAS_XML;
      ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XML, 0, FXFA_XFA_ALL);
      break;
    default:
      return false;
  }
  if (!pFileHandler)
    return false;
  if (csURL.Left(7).CompareNoCase(L"mailto:") == 0) {
    CFX_WideString csToAddress;
    CFX_WideString csCCAddress;
    CFX_WideString csBCCAddress;
    CFX_WideString csSubject;
    CFX_WideString csMsg;
    if (!MailToInfo(csURL, csToAddress, csCCAddress, csBCCAddress, csSubject,
                    csMsg)) {
      return false;
    }
    CFX_ByteString bsTo = CFX_WideString(csToAddress).UTF16LE_Encode();
    CFX_ByteString bsCC = CFX_WideString(csCCAddress).UTF16LE_Encode();
    CFX_ByteString bsBcc = CFX_WideString(csBCCAddress).UTF16LE_Encode();
    CFX_ByteString bsSubject = CFX_WideString(csSubject).UTF16LE_Encode();
    CFX_ByteString bsMsg = CFX_WideString(csMsg).UTF16LE_Encode();
    FPDF_WIDESTRING pTo = (FPDF_WIDESTRING)bsTo.GetBuffer(bsTo.GetLength());
    FPDF_WIDESTRING pCC = (FPDF_WIDESTRING)bsCC.GetBuffer(bsCC.GetLength());
    FPDF_WIDESTRING pBcc = (FPDF_WIDESTRING)bsBcc.GetBuffer(bsBcc.GetLength());
    FPDF_WIDESTRING pSubject =
        (FPDF_WIDESTRING)bsSubject.GetBuffer(bsSubject.GetLength());
    FPDF_WIDESTRING pMsg = (FPDF_WIDESTRING)bsMsg.GetBuffer(bsMsg.GetLength());
    pFormFillEnv->EmailTo(pFileHandler, pTo, pSubject, pCC, pBcc, pMsg);
    bsTo.ReleaseBuffer();
    bsCC.ReleaseBuffer();
    bsBcc.ReleaseBuffer();
    bsSubject.ReleaseBuffer();
    bsMsg.ReleaseBuffer();
  } else {
    // HTTP or FTP
    CFX_WideString ws;
    CFX_ByteString bs = csURL.UTF16LE_Encode();
    int len = bs.GetLength();
    pFormFillEnv->UploadTo(pFileHandler, fileFlag,
                           (FPDF_WIDESTRING)bs.GetBuffer(len));
    bs.ReleaseBuffer(len);
  }
  return true;
}

bool CPDFXFA_DocEnvironment::MailToInfo(CFX_WideString& csURL,
                                        CFX_WideString& csToAddress,
                                        CFX_WideString& csCCAddress,
                                        CFX_WideString& csBCCAddress,
                                        CFX_WideString& csSubject,
                                        CFX_WideString& csMsg) {
  CFX_WideString srcURL = csURL;
  srcURL.TrimLeft();
  if (srcURL.Left(7).CompareNoCase(L"mailto:") != 0)
    return false;

  int pos = srcURL.Find(L'?', 0);
  CFX_WideString tmp;
  if (pos == -1) {
    pos = srcURL.Find(L'@', 0);
    if (pos == -1)
      return false;

    tmp = srcURL.Right(csURL.GetLength() - 7);
  } else {
    tmp = srcURL.Left(pos);
    tmp = tmp.Right(tmp.GetLength() - 7);
  }
  tmp.TrimLeft();
  tmp.TrimRight();

  csToAddress = tmp;

  srcURL = srcURL.Right(srcURL.GetLength() - (pos + 1));
  while (!srcURL.IsEmpty()) {
    srcURL.TrimLeft();
    srcURL.TrimRight();
    pos = srcURL.Find(L'&', 0);

    tmp = (pos == -1) ? srcURL : srcURL.Left(pos);
    tmp.TrimLeft();
    tmp.TrimRight();
    if (tmp.GetLength() >= 3 && tmp.Left(3).CompareNoCase(L"cc=") == 0) {
      tmp = tmp.Right(tmp.GetLength() - 3);
      if (!csCCAddress.IsEmpty())
        csCCAddress += L';';
      csCCAddress += tmp;
    } else if (tmp.GetLength() >= 4 &&
               tmp.Left(4).CompareNoCase(L"bcc=") == 0) {
      tmp = tmp.Right(tmp.GetLength() - 4);
      if (!csBCCAddress.IsEmpty())
        csBCCAddress += L';';
      csBCCAddress += tmp;
    } else if (tmp.GetLength() >= 8 &&
               tmp.Left(8).CompareNoCase(L"subject=") == 0) {
      tmp = tmp.Right(tmp.GetLength() - 8);
      csSubject += tmp;
    } else if (tmp.GetLength() >= 5 &&
               tmp.Left(5).CompareNoCase(L"body=") == 0) {
      tmp = tmp.Right(tmp.GetLength() - 5);
      csMsg += tmp;
    }
    srcURL = (pos == -1) ? L"" : srcURL.Right(csURL.GetLength() - (pos + 1));
  }
  csToAddress.Replace(L",", L";");
  csCCAddress.Replace(L",", L";");
  csBCCAddress.Replace(L",", L";");
  return true;
}

FX_DOUBLE XFA_WideStringToDouble(const CFX_WideString& wsStringVal) {
  CFX_WideString wsValue = wsStringVal;
  wsValue.TrimLeft();
  wsValue.TrimRight();
  int64_t nIntegral = 0;
  FX_DWORD dwFractional = 0;
  int32_t nExponent = 0;
  int32_t cc = 0;
  FX_BOOL bNegative = FALSE, bExpSign = FALSE;
  const FX_WCHAR* str = (const FX_WCHAR*)wsValue;
  int32_t len = wsValue.GetLength();
  if (str[0] == '+') {
    cc++;
  } else if (str[0] == '-') {
    bNegative = TRUE;
    cc++;
  }
  int32_t nIntegralLen = 0;
  while (cc < len) {
    if (str[cc] == '.' || str[cc] == 'E' || str[cc] == 'e' ||
        nIntegralLen > 17) {
      break;
    }
    if (!XFA_IsDigit(str[cc])) {
      return 0;
    }
    nIntegral = nIntegral * 10 + str[cc] - '0';
    cc++;
    nIntegralLen++;
  }
  nIntegral = bNegative ? -nIntegral : nIntegral;
  int32_t scale = 0;
  FX_DOUBLE fraction = 0.0;
  if (cc < len && str[cc] == '.') {
    cc++;
    while (cc < len) {
      fraction += fraction_scales[scale] * (str[cc] - '0');
      scale++;
      cc++;
      if (cc == len) {
        break;
      }
      if (scale == sizeof(fraction_scales) / sizeof(FX_DOUBLE) ||
          str[cc] == 'E' || str[cc] == 'e') {
        break;
      }
      if (!XFA_IsDigit(str[cc])) {
        return 0;
      }
    }
    dwFractional = (FX_DWORD)(fraction * 4294967296.0);
  }
  if (cc < len && (str[cc] == 'E' || str[cc] == 'e')) {
    cc++;
    if (cc < len) {
      if (str[cc] == '+') {
        cc++;
      } else if (str[cc] == '-') {
        bExpSign = TRUE;
        cc++;
      }
    }
    while (cc < len) {
      if (str[cc] == '.' || !XFA_IsDigit(str[cc])) {
        return 0;
      }
      nExponent = nExponent * 10 + str[cc] - '0';
      cc++;
    }
    nExponent = bExpSign ? -nExponent : nExponent;
  }
  FX_DOUBLE dValue = (dwFractional / 4294967296.0);
  dValue = nIntegral + (nIntegral >= 0 ? dValue : -dValue);
  if (nExponent != 0) {
    dValue *= FXSYS_pow(10, (FX_FLOAT)nExponent);
  }
  return dValue;
}