std::string ConfigFile::_ReadString(std::string section,std::string entry,std::string defaultString)
{
/*
功能：读取指定的section的指定entry的值到buffer中，未找到则使用缺省配置
参数：
section[IN]：指定的section
entry[IN]：指定的entry
defaultstring[IN]：缺省配置
buffer[IN]：存放entry值的缓冲区
bufLen[IN]：缓冲区长度
返回值：
成功返回buffer中的值的长度
失败返回-1
*/
int len = -1;
fseek(fin,0,SEEK_SET);
char buffer[1024];
memset(buffer,0,1024);
int bufLen = sizeof(buffer) -1;
if( gotoSection( section.c_str() ) )
{
len = _ReadEntry(entry.c_str(), buffer, bufLen, true);
}
//后面的空格也要去。前面的空格等于没去.
//hauk 2013-10-29 modified
//percolate(buffer);
char *szTmp = percolate(buffer);
if(szTmp && strlen(szTmp) != strlen(buffer)) UTILITY::Snprintf(buffer, sizeof(buffer), "%s", szTmp);
//end of modification
len = strlen(buffer);
if( len <= 0 ) //can not read entry, use default string
{
strncpy( buffer, defaultString.c_str(), bufLen-1 );
buffer[bufLen-1] = 0;
len = strlen(buffer);
}
/**
* 支持配置文件值中环境变量扩展
* 环境变量格式 ${环境变量}
*/
string str(buffer);
return _expand_vars(str);
// return buffer;
}
int ConfigFile::ReadInt(std::string section,std::string entry,int defaultInt)
{
/*
功能：读取指定的section的指定entry的值以整数形式返回，未找到则使用缺省配置
参数：
section[IN]：指定的section
entry[IN]：指定的entry
defaultInt[IN]：缺省配置
返回值：
没有找到指定entry则返回缺省值
否则返回相应的配置值
*/
fseek(fin,0,SEEK_SET);
if( gotoSection( section.c_str() ) )
{
string tmp = ReadString( section.c_str(), entry.c_str() , "-");
if (tmp != "-")
defaultInt = atoi(tmp.c_str());
}
return defaultInt;
}
//---------------------------------------------------------------------------
// readSection: position to BOF for a new section,
// do continuous reads until len < 0
//---------------------------------------------------------------------------
Int32 UdrCfgParser::readSection( const char *section, char *buf, Int32 bufLen
, NAString &errorText )
{
Int32 len = -1;
static NABoolean newSection = TRUE;
if (cfgFile)
{
if (!newSection)
len = readPair(cfgFile, buf, bufLen, errorText);
else
{
fseek(cfgFile, 0, SEEK_SET);
if( gotoSection( cfgFile, section, errorText ) )
len = readPair(cfgFile, buf, bufLen, errorText);
newSection = FALSE;
}
}
if (len < 0)
newSection = TRUE;
return len;
}
