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| #ifndef LIMONP_CONFIG_H
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| #define LIMONP_CONFIG_H
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|
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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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|
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| namespace limonp {
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|
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| using namespace std;
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|
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| class Config {
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| public:
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| explicit Config(const string& filePath) {
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| LoadFile(filePath);
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| }
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|
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| operator bool () {
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| return !map_.empty();
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| }
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|
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| string Get(const string& key, const string& defaultvalue) const {
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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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| return it->second;
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| }
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| return defaultvalue;
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| }
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| int Get(const string& key, int defaultvalue) const {
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| string str = Get(key, "");
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| if("" == str) {
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| return defaultvalue;
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| }
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| return atoi(str.c_str());
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| }
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| const char* operator [] (const char* key) const {
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| if(NULL == key) {
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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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| return it->second.c_str();
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| }
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| return NULL;
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| }
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|
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| string GetConfigInfo() const {
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| string res;
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| res << *this;
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| return res;
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| }
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| private:
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| void LoadFile(const string& filePath) {
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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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| lineno ++;
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| Trim(line);
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| if(line.empty() || StartsWith(line, "#")) {
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| continue;
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| }
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| vecBuf.clear();
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| Split(line, vecBuf, "=");
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| if(2 != vecBuf.size()) {
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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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| 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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| friend ostream& operator << (ostream& os, const Config& config);
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|
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| map<string, string> map_;
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| };
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|
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| inline ostream& operator << (ostream& os, const Config& config) {
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| return os << config.map_;
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| }
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|
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| }
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|
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| #endif
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|
