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SimpCfg:Parse config file and load string key-value fields

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This commit is contained in:
HanishKVC 2024-04-28 12:10:00 +05:30
parent ce75d434dc
commit f4687fa5d4
1 changed files with 53 additions and 9 deletions
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62
common/simpcfg.hpp
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@ -14,8 +14,12 @@
#include <vector> #include <vector>
#include <fstream> #include <fstream>
#define TEST_LOGIC
#ifdef TEST_LOGIC
#define LOG_TEELN(FMT, ...) printf(FMT, __VA_ARGS__)
#else
#include "log.h" #include "log.h"
#endif
std::map<std::string, std::map<std::string, std::string>> mapStrings = {}; std::map<std::string, std::map<std::string, std::string>> mapStrings = {};
std::map<std::string, std::map<std::string, bool>> mapBools = {}; std::map<std::string, std::map<std::string, bool>> mapBools = {};
@ -40,23 +44,63 @@ bool sc_get_bool(std::string &group, std::string &key) {
return gm[key]; return gm[key];
} }
std::string str_trim(std::string &sin) { std::string str_trim(std::string sin) {
std::string sout = sin; sin.erase(sin.find_last_not_of(" \t\n")+1);
sout.erase(sout.find_last); sin.erase(0, sin.find_first_not_of(" \t\n"));
return sin;
} }
bool sc_load(std::string &fname) { bool sc_load(std::string &fname) {
std::ifstream f {fname}; std::ifstream f {fname};
if (!f) { if (!f) {
LOG_TEELN("ERRR:%s:%s:failed to load...", __func__, fname); LOG_TEELN("ERRR:%s:%s:failed to load...", __func__, fname);
exit(2); throw std::runtime_error { "ERRR:SimpCfg:File not found" };
} else {
LOG_TEELN("DBUG:%s:%s", __func__, fname);
} }
std::string group;
int iLine = 0;
while(!f.eof()) { while(!f.eof()) {
std::string curl; iLine += 1;
getline(f, curl); std::string curL;
if (curl.empty()) { getline(f, curL);
if (curL.empty()) {
continue; continue;
} }
if (curL[0] == '#') {
continue;
}
bool bGroup = !isspace(curL[0]);
curL = str_trim(curL);
if (bGroup) {
group = curL;
LOG_TEELN("DBUG:%s:%s:%s:%s", __func__, group);
continue;
}
auto dPos = curL.find(':');
if (dPos == std::string::npos) {
LOG_TEELN("ERRR:%s:%d:invalid key value line:%s", __func__, iLine, curL);
throw std::runtime_error { "ERRR:SimpCfg:Invalid key value line" };
}
auto dEnd = curL.length() - dPos;
if ((dPos == 0) || (dEnd < 2)) {
LOG_TEELN("ERRR:%s:%d:invalid key value line:%s", __func__, iLine, curL);
throw std::runtime_error { "ERRR:SimpCfg:Invalid key value line" };
}
std::string key = curL.substr(0, dPos);
key = str_trim(key);
std::string value = curL.substr(dPos+1);
value = str_trim(value);
LOG_TEELN("DBUG:%s:%s:%s:%s", __func__, group, key, value);
sc_set_string(group, key, value);
}
}
#ifdef TEST_LOGIC
int main(int argc, char **argv) {
std::string fname {argv[1]};
sc_load(fname);
return 0;
} }
} #endif