C++ (Cpp) File::GetPointer Exemples

Exemple #1

/* $ 01.09.2000 SVS
  + Новый метод, для получения параметров для .Options
   .Options <KeyName>=<Value>
*/
int GetOptionsParam(api::File& SrcFile,const wchar_t *KeyName,string &strValue, UINT nCodePage)
{
	int Length=StrLength(L".Options");
	auto CurFilePos = SrcFile.GetPointer();
	string ReadStr;
	GetFileString GetStr(SrcFile, nCodePage);
	while (GetStr.GetString(ReadStr))
	{
		if (!StrCmpNI(ReadStr.data(), L".Options", Length))
		{
			string strFullParamName = ReadStr.substr(Length);
			RemoveExternalSpaces(strFullParamName);
			size_t pos = strFullParamName.rfind(L'=');
			if (pos != string::npos)
			{
				strValue = strFullParamName;
				strValue.erase(0, pos+1);
				RemoveExternalSpaces(strValue);
				strFullParamName.resize(pos);
				RemoveExternalSpaces(strFullParamName);

				if (!StrCmpI(strFullParamName.data(),KeyName))
				{
					SrcFile.SetPointer(CurFilePos, nullptr, FILE_BEGIN);
					return TRUE;
				}
			}
		}
	}

	SrcFile.SetPointer(CurFilePos, nullptr, FILE_BEGIN);
	return FALSE;
}

Exemple #2

int GetLangParam(api::File& LangFile,const string& ParamName,string *strParam1, string *strParam2, UINT nCodePage)
{
	string strFullParamName = L".";
	strFullParamName += ParamName;
	int Length=(int)strFullParamName.size();
	/* $ 29.11.2001 DJ
	   не поганим позицию в файле; дальше @Contents не читаем
	*/
	BOOL Found = FALSE;
	auto OldPos = LangFile.GetPointer();

	string ReadStr;
	GetFileString GetStr(LangFile, nCodePage);
	while (GetStr.GetString(ReadStr))
	{
		if (!StrCmpNI(ReadStr.data(), strFullParamName.data(), Length))
		{
			size_t Pos = ReadStr.find(L'=');

			if (Pos != string::npos)
			{
				*strParam1 = ReadStr.substr(Pos + 1);

				if (strParam2)
					strParam2->clear();

				size_t pos = strParam1->find(L',');

				if (pos != string::npos)
				{
					if (strParam2)
					{
						*strParam2 = *strParam1;
						strParam2->erase(0, pos+1);
						RemoveTrailingSpaces(*strParam2);
					}

					strParam1->resize(pos);
				}

				RemoveTrailingSpaces(*strParam1);
				Found = TRUE;
				break;
			}
		}
		else if (!StrCmpNI(ReadStr.data(), L"@Contents", 9))
			break;
	}

	LangFile.SetPointer(OldPos, nullptr, FILE_BEGIN);
	return Found;
}