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Copy pathcfg_reader.cpp
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131 lines (112 loc) · 3.4 KB
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/*----------------------------------------------------------------
// Copyright (C) 2013 广州，爱游
//
// 模块名：cfg_reader
// 创建者：Steven Yang
// 修改者列表：
// 创建日期：2013.1.5
// 模块描述：读配置类
//----------------------------------------------------------------*/
#include "cfg_reader.h"
#include "util.h"
#include "logger.h"
namespace mogo
{
CCfgReader::CCfgReader(const string& strFile)
:m_strFile(strFile), m_bScan(false)
{
}
CCfgReader::~CCfgReader()
{
map<string, map<string, string>*>::iterator iter = m_CfgDict.begin();
for(; iter != m_CfgDict.end(); ++iter)
{
delete iter->second;
iter->second = NULL;
}
}
string CCfgReader::GetValue(const char* szSection, const char* szName)
{
if(!m_bScan)
{
ScanCfgFile();
}
map<string, map<string, string>*>::const_iterator iter = m_CfgDict.find(szSection);
if(iter != m_CfgDict.end())
{
map<string, string>& tmp = *(iter->second);
map<string, string>::const_iterator iter2 = tmp.find(szName);
if(iter2 != tmp.end())
{
printf("get_value, section=[%s], %s=%s\n", szSection, szName, iter2->second.c_str());
return iter2->second;
}
}
ThrowException(-1, "Empty item value: [%s] %s!", szSection, szName);
static string strEmpty("");
return strEmpty;
}
string CCfgReader::GetOptValue(const char* szSection, const char* szName,
const string& strDefault)
{
try
{
return GetValue(szSection, szName);
}
catch (const CException& ex)
{
return strDefault;
}
}
void CCfgReader::ScanCfgFile()
{
ifstream file(m_strFile.c_str(), ios::in);
if(!file.is_open())
{
ThrowException(-1, "open config file failed: %s", m_strFile.c_str());
}
string strSection;
while(!file.eof())
{
char szLine[128];
file.getline(szLine, sizeof(szLine), 0x0A);
//window文件格式换行是0x0D0A,UNIX/LINUX是0x0A
string sLine = Trim(szLine);
if(sLine.empty() || sLine[0] == '#')
{
continue;
}
if(sLine[0] == '[' && sLine[sLine.size() - 1] == ']')
{
strSection = sLine.substr(1, sLine.size()-2);
continue;
}
string::size_type pos = sLine.find("=");
if(pos==string::npos)
{
continue;
}
if(strSection.empty())
{
ThrowException(-1, "item '%s' has not section", sLine.c_str());
}
string strTemp = sLine.substr(0, pos);
string s1 = Trim(strTemp);
strTemp = sLine.substr(pos+1, sLine.size() - pos - 1);
string s2 = Trim(strTemp);
map<string, map<string, string>*>::iterator iter = m_CfgDict.lower_bound(strSection);
if(iter != m_CfgDict.end() && strSection == iter->first)
{
iter->second->insert(make_pair(s1, s2));
//LogDebug("insert one item:", "%s %s %s", strSection, s1, s2);
}
else
{
map<string, string>* tmp = new map<string, string>;
tmp->insert(make_pair(s1, s2));
m_CfgDict.insert(iter, make_pair(strSection, tmp) );
}
}
m_bScan = true;
}
};