Add Sections() method
It may be useful in case if you dont know which sections present in
configuration and want to iterate over all available sections.
We are going to store section names in memory because there are no obvious ways
to parse all stored keys and get sections from them.
diff --git a/INIReader.h b/INIReader.h
index 4a42781..772dcc0 100644
--- a/INIReader.h
+++ b/INIReader.h
@@ -304,6 +304,7 @@
#define __INIREADER_H__
#include <map>
+#include <set>
#include <string>
// Read an INI file into easy-to-access name/value pairs. (Note that I've gone
@@ -319,6 +320,9 @@
// first error on parse error, or -1 on file open error.
int ParseError();
+ // Return the list of sections found in ini file
+ std::set<std::string> Sections();
+
// Get a string value from INI file, returning default_value if not found.
std::string Get(std::string section, std::string name,
std::string default_value);
@@ -340,6 +344,7 @@
private:
int _error;
std::map<std::string, std::string> _values;
+ std::set<std::string> _sections;
static std::string MakeKey(std::string section, std::string name);
static int ValueHandler(void* user, const char* section, const char* name,
const char* value);
@@ -367,6 +372,11 @@
return _error;
}
+inline std::set<string> INIReader::Sections()
+{
+ return _sections;
+}
+
inline string INIReader::Get(string section, string name, string default_value)
{
string key = MakeKey(section, name);
@@ -421,7 +431,8 @@
if (reader->_values[key].size() > 0)
reader->_values[key] += "\n";
reader->_values[key] += value;
+ reader->_sections.insert(section);
return 1;
}
-#endif // __INIREADER__
\ No newline at end of file
+#endif // __INIREADER__
diff --git a/INIReaderTest.cpp b/INIReaderTest.cpp
index 50b04a1..d021f91 100644
--- a/INIReaderTest.cpp
+++ b/INIReaderTest.cpp
@@ -1,6 +1,7 @@
// Example that shows simple usage of the INIReader class
#include <iostream>
+#include <sstream>
#include "INIReader.h"
int main()
@@ -11,7 +12,13 @@
std::cout << "Can't load 'test.ini'\n";
return 1;
}
- std::cout << "Config loaded from 'test.ini': version="
+ std::cout << "Config loaded from 'test.ini': found sections=" << [&reader]() {
+ std::stringstream ss;
+ auto sections = reader.Sections();
+ for (auto it = sections.cbegin(); it != sections.cend(); ++it)
+ ss << *it << ",";
+ return ss.str();
+ }() << " version="
<< reader.GetInteger("protocol", "version", -1) << ", name="
<< reader.Get("user", "name", "UNKNOWN") << ", email="
<< reader.Get("user", "email", "UNKNOWN") << ", multi="
