Kayne Ruse
56 lines
1.0 KiB
C++
56 lines
1.0 KiB
C++
#include "config_utility.hpp"
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#include <stdexcept>
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#include <fstream>
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using namespace std;
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void ConfigUtility::Load(string fname) {
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ifstream is(fname);
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if (!is.is_open()) {
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throw(runtime_error("Failed to open config file"));
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}
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string key, val;
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for (;;) { //forever
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//eat whitespace
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while(isspace(is.peek()))
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is.ignore();
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//end of file
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if (is.eof())
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break;
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//skip comment lines
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if (is.peek() == '#') {
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while(is.peek() != '\n' && !is.eof()) {
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is.ignore();
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}
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continue;
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}
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//read in the pair
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getline(is, key,'=');
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getline(is, val);
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//trim the strings at the start & end
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while(key.size() && isspace(*key.begin())) key.erase(0, 1);
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while(val.size() && isspace(*val.begin())) val.erase(0, 1);
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while(key.size() && isspace(*(key.end()-1))) key.erase(key.end() - 1);
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while(val.size() && isspace(*(val.end()-1))) val.erase(val.end() - 1);
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//allow empty/wiped values
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if (key.size() == 0) {
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continue;
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}
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//save the pair
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table[key] = val;
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}
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is.close();
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}
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