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45 lines
1.3 KiB
Markdown
45 lines
1.3 KiB
Markdown
# ini-config
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A single-header library that converts INI-formatted string literals to a key-value pair list at compile-time.
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Requires C++20. Tested to work on gcc 10.1 and clang trunk. Passes `-Wall -Wextra -pedantic`.
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## Features
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* Comments and whitespace removed during compilation
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* Handles single-line `key=value` pairs with very basic syntax error reporting
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* Supports sections
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* Supports comments (start line with ';' or '#', preceding whitespace is okay)
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* Supports wide strings
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## How to use
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```cpp
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// 1. Include
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#include "ini_config.hpp"
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// 2. Use _ini suffix
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auto config = R"ini(
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someflag = true
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[Cat]
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color = grey
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lives = 9
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)ini"_ini;
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// ...
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// Returns count of key-value pairs (KVPs), 3 in this case
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config.size()
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// Iterate through all KVPs using config.begin() and config.end()
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for (auto kvp : config) {}
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// Iterate through all KVPs under [Cat] section
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for (auto kvp : config.section("Cat")) {}
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```
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See the header file for further documentation.
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## How it works (brief)
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1. `_ini` prefix constructs an `ini_config` object with the given string.
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2. Syntax is validated, and a character array is sized to fit all section names, keys, and values.
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3. The array is populated with values.
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4. Compiled result is the minimized array, with efficient functions for iteration and access.
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