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103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/************************************
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* file enc : utf8
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* author : wuyanyi09@gmail.com
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************************************/
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#ifndef LIMONP_CONFIG_H
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#define LIMONP_CONFIG_H
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#include <map>
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#include <fstream>
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#include <iostream>
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#include <assert.h>
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#include "StringUtil.hpp"
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namespace Limonp
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{
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using namespace std;
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class Config
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{
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public:
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explicit Config(const string& filePath)
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{
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_loadFile(filePath);
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}
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public:
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operator bool ()
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{
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return !_map.empty();
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}
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private:
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void _loadFile(const string& filePath)
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{
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ifstream ifs(filePath.c_str());
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assert(ifs);
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string line;
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vector<string> vecBuf;
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size_t lineno = 0;
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while(getline(ifs, line))
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{
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lineno ++;
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trim(line);
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if(line.empty() || startsWith(line, "#"))
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{
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continue;
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}
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vecBuf.clear();
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if(!split(line, vecBuf, "=") || 2 != vecBuf.size())
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{
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fprintf(stderr, "line[%s] illegal.\n", line.c_str());
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assert(false);
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continue;
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}
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string& key = vecBuf[0];
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string& value = vecBuf[1];
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trim(key);
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trim(value);
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if(!_map.insert(make_pair(key, value)).second)
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{
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fprintf(stderr, "key[%s] already exits.\n", key.c_str());
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assert(false);
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continue;
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}
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}
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ifs.close();
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}
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public:
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bool get(const string& key, string& value) const
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{
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map<string, string>::const_iterator it = _map.find(key);
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if(_map.end() != it)
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{
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value = it->second;
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return true;
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}
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return false;
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}
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const char* operator [] (const char* key) const
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{
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if(NULL == key)
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{
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return NULL;
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}
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map<string, string>::const_iterator it = _map.find(key);
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if(_map.end() != it)
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{
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return it->second.c_str();
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}
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return NULL;
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}
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private:
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map<string, string> _map;
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private:
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friend ostream& operator << (ostream& os, const Config& config);
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};
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inline ostream& operator << (ostream& os, const Config& config)
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{
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return os << config._map;
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}
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}
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#endif
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