83 lines
4.4 KiB
Markdown
83 lines
4.4 KiB
Markdown
# **BLT v0.16**
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A C++17 common utilities library to make thing easy!
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---
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# ***Features***
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- ## blt/fs
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- ### loader.h
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- std::string blt::fs::getFile(std::string_view path)
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- Gets the entire file as a string.
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- std::vector\<std::string> blt::fs::getLinesFromFile(std::string_view path)
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- Gets the entire file as a string, then splits on the new line character. Then returns a vector of those lines
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- std::vector\<std::string> blt::fs::recursiveInclude(std::string_view path, std::string include_header, std::vector<include_guard> guards);
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- Recursively include in order based on the include string (include_header) marked by the include guards
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- Defaults to C/C++/GLSL preprocessor style (Was designed for GLSL)
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- std::string blt::fs::loadBrainFuckFile(const std::string& path)
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- Load a brainfuck file recursively, uses ~ to mark the include path
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- ### nbt.h
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- probably needs to be remade (TODO)
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- ## blt/math
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- ### averages.h
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- blt::averagizer_o_matic
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- Computes a rolling average in a dynamically allocated array.
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- Useful for average FPS over a period of time
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- ### fixed_point.h
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-
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# Specialties
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## blt::logging.v2
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Found in the header file `include/std/logging.h`, blt::logging is a fast and simple
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single header logging library which can be used independently of BLT. Just include
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the header file anywhere in your project and in ONE cpp file define `#define BLT_LOGGING_IMPLEMENTATION`.
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If you are using BLT as a CMake library (as you should!) this is done for you.
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- ### Compile Time Config
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- Using CMake
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- Several options are provided which disable various logging contexts, as such global logging can be disabled by passing `-DBLT_DISABLE_LOGGING:BOOL=ON`
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- Options follow the pattern of `BLT_DISABLE_LEVEL` where level is one of `TRACE`,`DEBUG`,`INFO`,`WARN`,`ERROR`, or `FATAL`.
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- This allows for individual logging levels to be disabled while leaving the others functional. These options can be combined.
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- See CMakeLists.txt for a complete list of options.
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- Standalone
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- The CMake options define global variables in a config file. If you are using logging standalone you will need to remove the config include.
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- Macros can be used in the same pattern of `BLT_DISABLE_LEVEL` to disable the various logging levels
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## blt::arg_parse
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blt::arg_parse found in `blt/parse/argparse.h` is an attempt at a near 1:1 replication of Python's argparse in C++.
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Python's argparse is one of the best command line argument parsing solutions with some of the best documentation I've seen.
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The goal was to create an API which would function exactly as the Python docs described, simplifying how much I needed to remember and document for this library.
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## blt::profile_t (v2)
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The newest version of my profiler solution now features a CPU cycle counter, CPU thread execution time, and wall time. It has more options for
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sorting and general printing while featuring a nicer codebase. It is an improvement over blt::profiling while maintaining (almost) complete backwards
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compatability. Due to changes in the API the `BLT_PRINT_PROFILE` macro deletes the internal profiles and intervals AND takes arguments which match
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the new formatting options for profiling v2. However, `BLT_START_INTERVAL`, `BLT_WRITE_PROFILE`, and `BLT_END_INTERVAL` are still the same.
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Documentation for this is coming soon, along with more profiling features. the `BLT_*` macros can be disabled by the standard `BLT_DISABLE_PROFILING`
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from the v1 profiler. It is encouraged to use the new blt::* profile functions over the macros however these currently cannot be disabled. (TODO)
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---
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# **Features / Examples**
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- ## Data Structures
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- Queue / Stack
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- faster than std::queue / std::stack
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- backed by a contiguous array
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- ## Utility
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- Simple Random Wrapper Interface
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- Simple random functions based on the PCG Hash
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- ### String Functions
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- starts_with
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- ends_with
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- contains
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- toLowerCase
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- toUpperCase
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- split
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- trim
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- Logging
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- See blt::logging section above
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- Time
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- Current time in nanoseconds (without all the c++ gobbledygook)
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- Java's currentTimeMilliseconds
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- nanoTime as well
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- `std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count()` becomes `blt::system::nanoTime()`
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- Formatted time string with year/month/date + current time
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- ## Profiling
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- Basic profiler with history and formatted output |