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This is a header only C++ version of inih.

Home Page: https://github.com/benhoyt/inih

License: Other

C++ 100.00%

inih's Introduction

inih

This is a header only C++ version of inih.

inih (INI Not Invented Here) is a simple .INI file parser written in C. It's only a couple of pages of code, and it was designed to be small and simple, so it's good for embedded systems. It's also more or less compatible with Python's ConfigParser style of .INI files, including RFC 822-style multi-line syntax and name: value entries.

Usage

All you need to do is to include INIReader.h. Consider the following example (INIReaderTest.cpp):

#include <iostream>
#include "INIReader.h"

int main() {

    INIReader reader("test.ini");

    if (reader.ParseError() != 0) {
        std::cout << "Can't load 'test.ini'\n";
        return 1;
    }
    std::cout << "Config loaded from 'test.ini': version="
              << reader.GetInteger("protocol", "version", -1) << ", name="
              << reader.Get("user", "name", "UNKNOWN") << ", email="
              << reader.Get("user", "email", "UNKNOWN") << ", pi="
              << reader.GetReal("user", "pi", -1) << ", active="
              << reader.GetBoolean("user", "active", true) << "\n";
    return 0;

}

To compile and run:

g++ INIReaderTest.cpp -o INIReaderTest.out
./INIReaderTest.out
# Config loaded from 'test.ini': version=6, name=Bob Smith, [email protected], pi=3.14159, active=1

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inih's Issues

Mark the getter functions as const.

The current version of inih has marked the GetX() methods as const, and they should be updated here as well. Since they don't modify any state of the class, this should be a fairly simple fix.

How implementing custom or string-based I/O

    /* Same as ini_parse(), but takes an ini_reader function pointer instead of
   filename. Used for implementing custom or string-based I/O. */
    int ini_parse_stream(ini_reader reader, void *stream, ini_handler handler,
                         void *user);

How I use ini_parse_stream , implementing custom or string-based I/O

Quoting values containing '/' leads to misinterpretation, missing quotation support

Take this .ini file as reference:

[database-mysql]
hostA = "tcp://127.0.0.1:3306"
hostB = tcp://127.0.0.1:3306

When trying to retrieve hostA, it will evaluate to "tcp while hostB evaluates correctly.
As shown in INI file, quoting of values should be perfectly fine. The closing " is missing too.

By looking at the code, it seems to me that quoting wasn't considered at all. Is this on purpose?

Support for ExtendedInterpolation Environment variables.

Would be nice to have, but should be an opt-in define or maybe a separate method...
As you would have to find all the ${.*} patterns and call a GetEnvironmentVariable for each then place it in.

[Load All Sections]

Hi, is there any way to load all sections into an array ?

Warning when compiling with gcc 9

Issue is in our code, sorry!

Passing objects by referrence instead by value.

Hello,

I see all over the places that objects are passed by value instead by reference:

INIReader(std::string filename);

You probably know that it is a bad idea to pass objects by value due to its performance impact.

Correct is:

INIReader(const std::string& filename);

C4996 Warnings Are Not Suppressed

Hi, there are C4996 warnings when I try to compile my code with #include "INIReader.h" in multiple files. I didn't add _CRT_SECURE_NO_WARNINGS for my project but it should be fine as INIReader.h attempts to suppress this particular warning for its codes using codes below.

#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif

Is there anything missing in code or I need to define _CRT_SECURE_NO_WARNINGS explicitly?

Information about the IDE I am using:

IDE: Visual Studio 2017
Windows SDK Version: 10.0.17134.0
Platform Toolset: Visual Studio 2017 (v141)

Do you have plan to support write feature ?

Thanks