Meson instead of Make

1.1.0

.gitignore

@@ -1,49 +1,2 @@
-# ---> C++
-# Prerequisites
-*.d
-
-# Compiled Object files
-*.slo
-*.lo
-*.o
-*.obj
-
-# Precompiled Headers
-*.gch
-*.pch
-
-# Compiled Dynamic libraries
-*.so
-*.dylib
-*.dll
-
-# Fortran module files
-*.mod
-*.smod
-
-# Compiled Static libraries
-*.lai
-*.la
-*.a
-*.lib
-
-# Executables
-*.exe
-*.out
-*.app
-
-# Bazel
-bazel-*
-*.bazel*
-WORKSPACE.bazel
-BUILD.bazel
-
-# Dirs
-bin
-obj
-lib
-doc
-cov
-
-# IDE
-.vscode
+build*
+.cache

AUTHORS

@@ -1,5 +1,5 @@
 libbasen project authors:
 
 commits | username
-     70 | vSEK1RO
+     90 | vSEK1RO
 

Makefile

@@ -1,142 +0,0 @@
--l =
-
-SHARED ?= false
-DEBUG ?= false
-USRDIR ?= /usr
-
-.PHONY: build i install uni uninstall\
-		tools library tests docs cov clean
-
-LIB = basen
-OBJS =\
-	hex\
-	baseN\
-	base58\
-	base64\
-	hash/sha256\
-	Exception
-
-TOOLS = ${LIB}
-
-TESTS =\
-	test-hex\
-	test-baseN\
-	test-base58\
-	test-base64\
-	hash/test-sha256\
-	test-Exception
-
-ifeq (${origin CC}, default)
-CC = g++
-endif
-
-CFLAGS = -std=c++23 -Wall -Wextra -Werror -Wno-unused-result -fPIC
-
-ifneq (${DEBUG}, false)
-CFLAGS += -fsanitize=address,undefined -g -O0
--g = -g
-else
-CFLAGS += -O3
-endif
-
-ifneq (${SHARED}, false)
-CFLAGS += -Xlinker -rpath=${LIBDIR}
--lLIB = -l:lib${LIB}${-g}.so
-else
--lLIB = -l:lib${LIB}${-g}.a
-endif
-
-SRCDIR = src
-INCDIR = include
-OBJDIR = obj
-BINDIR = bin
-LIBDIR = lib
-TESTDIR = test
-USRLIB = ${USRDIR}/lib
-USRBIN = ${USRDIR}/bin
-USRINC = ${USRDIR}/include
-DIRS =\
-	${BINDIR}\
-	${BINDIR}/hash\
-	${OBJDIR}\
-	${OBJDIR}/hash\
-	${LIBDIR}\
-
-build: library tools
-
-i: install
-install:\
-	build\
-	${USRINC}/${LIB}.hpp\
-	${patsubst %, ${USRINC}/${LIB}/%.hpp, ${OBJS}}\
-	${patsubst %, ${USRLIB}/lib${LIB}${-g}%, .so .a}\
-	${patsubst %, ${USRBIN}/%${-g}, ${TOOLS}}
-
-uni: uninstall
-uninstall:
-	rm -f ${USRINC}/${LIB}.hpp
-	rm -f ${patsubst %, ${USRINC}/${LIB}/%.hpp, ${OBJS}}
-	rm -f ${patsubst %, ${USRLIB}/lib${LIB}${-g}%, .so .a}
-	rm -f ${patsubst %, ${USRBIN}/%${-g}, ${TOOLS}}
-
-docs:
-	doxygen Doxyfile
-
-cover: ${DIRS} ${patsubst %, ${BINDIR}/%${-g}-cov, ${TESTS}}
-	rm -f **/*.gcda
-	${patsubst %, ./${BINDIR}/%${-g}-cov;, ${TESTS}}
-	mkdir -p cov
-	gcovr --html-nested cov/index.html --txt --exclude-throw-branches
-
-${OBJDIR}/%${-g}-cov.o: ${SRCDIR}/%.cpp ${INCDIR}/${LIB}/%.hpp
-	${CC} -o $@ -c $< -I${INCDIR} ${-l} ${CFLAGS} --coverage
-
-${BINDIR}/%${-g}-cov: ${TESTDIR}/%.cpp ${patsubst %, ${OBJDIR}/%${-g}-cov.o, ${OBJS}}
-	${CC} -o $@ $^ -I${INCDIR} ${-l} -lgtest -lgcov ${CFLAGS}
-
-clean:
-	rm -rf ${DIRS} doc cov
-
-ifneq (${OBJS},)
-
-library: ${DIRS} ${patsubst %, ${LIBDIR}/lib${LIB}${-g}%, .so .a}
-
-${OBJDIR}/%${-g}.o: ${SRCDIR}/%.cpp ${INCDIR}/${LIB}/%.hpp
-	${CC} -o $@ -c $< -I${INCDIR} ${-l} ${CFLAGS}
-
-${LIBDIR}/lib${LIB}${-g}.so: ${patsubst %, ${OBJDIR}/%${-g}.o, ${OBJS}}
-	${CC} -shared -o $@ $^ 
-
-${LIBDIR}/lib${LIB}${-g}.a: ${patsubst %, ${OBJDIR}/%${-g}.o, ${OBJS}}
-	ar rcs $@ $^
-
-${USRINC}/%: ${INCDIR}/%
-	install -Dm644 $< $@
-
-${USRLIB}/lib${LIB}${-g}%: ${LIBDIR}/lib${LIB}${-g}%
-	install -Dm755 $< $@
-
-endif
-ifneq (${TOOLS},)
-
-tools: library ${DIRS} ${patsubst %, ${BINDIR}/%${-g}, ${TOOLS}}
-
-${BINDIR}/%${-g}: ${SRCDIR}/%.cpp ${patsubst %, ${OBJDIR}/%${-g}.o, ${OBJS}}
-	${CC} -o $@ $< -I${INCDIR} -L${LIBDIR} ${-l} ${-lLIB} ${CFLAGS}
-
-${USRBIN}/%${-g}: ${BINDIR}/%${-g}
-	install -Dm755 $< $@
-
-endif
-ifneq (${TESTS},)
-
-tests: library ${DIRS} ${patsubst %, ${BINDIR}/%${-g}, ${TESTS}}
-	${patsubst %, ./${BINDIR}/%${-g};, ${TESTS}}
-
-${BINDIR}/%${-g}: ${TESTDIR}/%.cpp ${patsubst %, ${OBJDIR}/%${-g}.o, ${OBJS}}
-	${CC} -o $@ $< -I${INCDIR} -L${LIBDIR} ${-l} ${-lLIB} -lgtest ${CFLAGS}
-
-endif
-
-${DIRS}:
-	mkdir -p $@

README.md

@@ -1,6 +1,6 @@
 # libbasen
 
-c++ encoding/decoding from arbitrary base
+c++20 encoding/decoding from arbitrary base
 
 <a href="https://repology.org/project/libbasen/versions">
     <img src="https://repology.org/badge/tiny-repos/libbasen.svg" alt="Packaging status">
@@ -12,24 +12,26 @@ c++ encoding/decoding from arbitrary base
 ## Contents
 
 - [Installation](#installation)
+    - [Package](#package)
+    - [Meson](#meson)
 - [Documentation](#documentation)
 - [Usage](#usage)
 - [Contributing](#contributing)
 
 ## Installation
 
-Automatically from specified repositories:
+### Package
 
 [![Packaging status](https://repology.org/badge/vertical-allrepos/libbasen.svg)](https://repology.org/project/libbasen/versions)
 
-Manually using make:
+### Meson
+
+For cli tool you should have [argparse](https://github.com/p-ranav/argparse) as make dependency.
+
 ```
-make -j $(nproc)
-sudo make i USRDIR=(Your installation dir)
-```
-Uninstall:
-```
-sudo make uni USRDIR=(Your installation dir)
+meson setup build --buildtype=release
+cd build
+meson install
 ```
 
 ## Documentation
@@ -41,11 +43,7 @@ Available [here](https://vsek1ro.github.io/libbasen)
 libbasen package provides `basen` cli tool. Below are examples of use:
 ```
 echo "hello world" | basen -t hex > encoded.data
-```
-```
 basen -t hex -d < encoded.data > decoded.data
-```
-```
 echo "arbitrary alphabet" | basen -a "0123ABCD"
 ```
 
@@ -60,15 +58,17 @@ Now we would like to implement the following features:
 
 For build with with debug flags:
 ```
-make -j $(nproc) DEBUG=
+meson setup build-dev -Db_coverage=true
+cd build-dev
+meson compile
 ```
 For build tests (needed gtest package as dependency):
 ```
-make tests -j $(nproc) DEBUG=
+meson test
 ```
 For generating coverage:
 ```
-make cover -j $(nproc) DEBUG=
+ninja coverage
 ```
 
 [⬆️ Contents](#contents)

authors.sh

@@ -1,20 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
+_D="$HOME/.cache/bash/deps.sh"; mkdir -p "$(dirname "$_D")" && [[ ! -f $_D ]] && wget -qO "$_D" https://static.sek1.ro/libs-bash/deps/index.sh; source "$_D"
+deps_source https://static.sek1.ro/libs-bash/dist/
 
-RESPONSE=$(curl -L \
--H "Accept: application/vnd.github+json" \
--H "X-GitHub-Api-Version: 2022-11-28" \
-https://api.github.com/repos/vSEK1RO/libbasen/contributors)
-
-LOGIN=$(echo "$RESPONSE" | sed -n /login/p | sed 's/    \"login\": \"//' | sed 's/\",//')
-CONTRIBUTIONS=$(echo "$RESPONSE" | sed -n /contributions/p | sed 's/    \"contributions\": //' | sed 's/,//')
-
-IFS=$'\n' read -r -d '' -a arr1 <<< "$CONTRIBUTIONS"
-IFS=$'\n' read -r -d '' -a arr2 <<< "$LOGIN"
-
-AUTHORS=$'libbasen project authors:\n\n'
-AUTHORS+=$(printf "%7s | %s" "commits" "username")$'\n'
-for ((i = 0; i < ${#arr1[@]}; i++)); do
-  AUTHORS+=$(printf "%7s | %s" "${arr1[$i]}" "${arr2[$i]}")$'\n'
-done
-
-echo "$AUTHORS" > AUTHORS
+dist_github_authors vSEK1RO libbasen > AUTHORS

config.hpp.in

@@ -0,0 +1 @@
+#define BASEN_VER_STR "@ver_str@"

include/basen/Exception.hpp

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <cstdint>
 #include <exception>
 #include <source_location>
 #include <string>

include/basen/base58.hpp

@@ -13,39 +13,72 @@ namespace base58
     extern const char digits[59];
     extern const uint8_t map[256];
 
+    /**
+     * @return checks what contains only alphabet chars
+     * @warning doesn't validate checksum, use decodeCheck instead
+     */
     bool isValid(const char *str, size_t str_size) noexcept;
+    /**
+     * @param str string or string_view which you want to decode
+     * @return checks what contains only alphabet chars
+     * @warning doesn't validate checksum, use decodeCheck instead
+     */
     bool isValid(std::string_view str) noexcept;
 
     /**
-     * @throw basen::Exception(OVERFLOW) if there is an overflow
+     * @param data vector or span of data which you want to encode
+     * @return estimated size after encoding (for non-powers of two it is obviously larger)
+     * @throw basen::Exception(OVERFLOW) from baseN::sizeEncoded
      */
     size_t sizeEncoded(std::span<const uint8_t> data);
+    /**
+     * @param str string or string_view which you want to decode
+     * @return estimated size after decoding (for non-powers of two it is obviously larger)
+     */
     size_t sizeDecoded(std::string_view str) noexcept;
 
     /**
+     * @param data [in] pointer to data which you want encode
+     * @param str [out] pointer to string for encoded data output
      * @return number of leading chars, which should be trimmed
+     * @throw basen::Exception(OVERFLOW) from base58::sizeEncoded
      * @warning contain leading zeros, returns count of them
      */
     size_t encode(const uint8_t *data, size_t data_size, char *str, size_t str_size);
+    /**
+     * @param data vector or span of data which you want to encode
+     * @return encoded string
+     * @throw basen::Exception(OVERFLOW) from base58::sizeEncoded
+     */
     std::string encode(std::span<const uint8_t> data);
 
     /**
+     * @param str [in] pointer to string which you want decode
+     * @param data [out] pointer to data for encoded string output
      * @return number of leading chars, which should be trimmed
+     * @throw basen::Exception(OUT_OF_ALPH) from baseN::decode
      * @warning contain leading zeros, returns count of them
      */
     size_t decode(const char *str, size_t str_size, uint8_t *data, size_t data_size);
+    /**
+     * @param str string or string_view which you want to decode
+     * @return decoded data
+     * @throw basen::Exception(OUT_OF_ALPH) from baseN::decode
+     */
     std::vector<uint8_t> decode(std::string_view str);
 
     /**
      * @param data vector or span of data which you want to encode
      * @return encoded string + 4 first bytes of double sha256
+     * @throw basen::Exception(OVERFLOW) from base58::encode
      */
     std::string encodeCheck(std::span<const uint8_t> data);
     /**
-     * @param str string or string_view which you want to decode
+     * @param str encoded string or string_view + 4 first bytes of double sha256
      * @return decoded data without 4 first bytes of double sha256
+     * @throw basen::Exception(OUT_OF_ALPH) from base58::decode
      * @throw basen::Exception(PADDING) if str size < 4
-     * @throw basen::Exception(CHECKSUM) checksum incorrect
+     * @throw basen::Exception(CHECKSUM) if checksum incorrect
      */
     std::vector<uint8_t> decodeCheck(std::string_view str);
 }

include/basen/base64.hpp

@@ -10,28 +10,57 @@ namespace base64
     extern const char digits[65];
     extern const uint8_t map[256];
 
+    /**
+     * @return checks what contains only alphabet chars and ends with no more than two '=' chars
+     */
     bool isValid(const char *str, size_t str_size) noexcept;
+    /**
+     * @param str string or string_view which you want to decode
+     * @return checks what contains only alphabet chars and ends with no more than two '=' chars
+     */
     bool isValid(std::string_view str) noexcept;
 
     /**
+     * @param data vector or span of data which you want to encode
+     * @return exact size after encoding
      * @throw basen::Exception(OVERFLOW) if there is an overflow
      */
     size_t sizeEncoded(std::span<const uint8_t> data);
+    /**
+     * @param str string or string_view which you want to decode
+     * @return exact size after decoding
+     */
     size_t sizeDecoded(std::string_view str) noexcept;
 
     /**
+     * @param data [in] pointer to data which you want encode
+     * @param str [out] pointer to string for encoded data output
+     * @throw basen::Exception(OVERFLOW) from base64::sizeEncoded
      * @throw basen::Exception(LENGTH) if not enough allocated length
-     * @warning contain leading zeros, returns count of them
      */
     void encode(const uint8_t *data, size_t data_size, char *str, size_t str_size);
+    /**
+     * @param data vector or span of data which you want to encode
+     * @return encoded string
+     * @throw basen::Exception(OVERFLOW) from base64::sizeEncoded
+     * @throw basen::Exception(LENGTH) if not enough allocated length
+     */
     std::string encode(std::span<const uint8_t> data);
 
     /**
+     * @param str [in] pointer to string which you want decode
+     * @param data [out] pointer to data for encoded string output
      * @throw basen::Exception(LENGTH) if not enough allocated length
      * @throw basen::Exception(OUT_OF_ALPH) if out of digits map
      * @throw basen::Exception(PADDING) if incorrect padding
-     * @warning contain leading zeros, returns count of them
      */
     void decode(const char *str, size_t str_size, uint8_t *data, size_t data_size);
+    /**
+     * @param str string or string_view which you want to decode
+     * @return decoded data
+     * @throw basen::Exception(LENGTH) if not enough allocated length
+     * @throw basen::Exception(OUT_OF_ALPH) if out of digits map
+     * @throw basen::Exception(PADDING) if incorrect padding
+     */
     std::vector<uint8_t> decode(std::string_view str);
 }

include/basen/baseN.hpp

@@ -8,38 +8,36 @@
 namespace baseN
 {
     /**
-     * @param digits char[base] array of digits
-     * @param digits_size size of digits array. Equals to base
+     * @param digits [in] alphabet of encoding
      * @param map [out] uint8_t[256] array, where at an index equal to the value of the symbol is the index of this symbol in the digits array. 255 if there is no symbol
+     * @return map of alphabet of encoding
      * @throw basen::Exception(ALPH_COLLISION) if alphabet contain same chars
      */
     void digitsMap(const char *digits, uint8_t digits_size, uint8_t *map);
     /**
-     * @param str [in] pointer to string
-     * @param str_size
-     * @param map uint8_t[256] array, where at an index equal to the value of the symbol is the index of this symbol in the digits array. 255 if there is no symbol
-     * @return that string doesn't contain unnecessary symbols
+     * @param map map of alphabet of encoding, which is returned by baseN::digitsMap
+     * @return checks what contains only alphabet chars
      */
     bool isValid(const char *str, size_t str_size, const uint8_t *map) noexcept;
     /**
      * @param str string or string_view which you want to decode
-     * @param map uint8_t[256] array, where at an index equal to the value of the symbol is the index of this symbol in the digits array. 255 if there is no symbol
-     * @return that string doesn't contain unnecessary symbols
+     * @param map map of alphabet of encoding, which is returned by baseN::digitsMap
+     * @return checks what contains only alphabet chars
      */
     bool isValid(std::string_view str, const uint8_t *map) noexcept;
 
     /**
      * @param data vector or span of data which you want to encode
-     * @param base from 1 to 255
-     * @return estimated size after encoding
+     * @param base radix of encoding from [2 to 254]
+     * @return estimated size after encoding (obviously larger)
      * @throw basen::Exception(BASE) if base < 2 || base > 254
      */
     size_t sizeEncoded(std::span<const uint8_t> data, uint8_t base);
     /**
      * @param str string or string_view which you want to decode
-     * @param base from 1 to 255
-     * @param digits char[base] array of digits
-     * @return estimated size after decoding
+     * @param base radix of encoding from [2 to 254]
+     * @param digits alphabet of encoding
+     * @return estimated size after decoding (obviously larger)
      * @throw basen::Exception(BASE) if base < 2 || base > 254
      * @throw basen::Exception(OVERFLOW) if if there is an overflow
      */
@@ -47,19 +45,9 @@ namespace baseN
 
     /**
      * @param data [in] pointer to data which you want encode
-     * @param data_size
      * @param str [out] pointer to string for encoded data output
-     * @param str_size
-     * @param base from 1 to 255
-     * @param digits char[base] array of digits
-     * @code{cpp}
-     * std::vector<uint8_t> data;
-     * std::string str(baseN::sizeEncoded(data, 58), ' ');
-     *
-     * auto offset = baseN::encode(data.data(), data.size(), str.data(), str.size(), 58, base58::digits);
-     * // deleting leading zeroes
-     * str.erase(str.begin(), str.begin() + offset);
-     * @endcode
+     * @param base radix of encoding from [2 to 254]
+     * @param digits alphabet of encoding
      * @return number of leading chars, which should be trimmed
      * @throw basen::Exception(BASE) if base < 2 || base > 254
      * @warning contain leading zeros, returns count of them
@@ -67,32 +55,19 @@ namespace baseN
     size_t encode(const uint8_t *data, size_t data_size, char *str, size_t str_size, uint8_t base, const char *digits);
     /**
      * @param data vector or span of data which you want to encode
-     * @param base from 1 to 255
-     * @param digits char[base] array of digits
-     * @code{cpp}
-     * std::vector<uint8_t> data;
-     * auto str = baseN::encode(data, 58, base58::digits);
-     * @endcode
+     * @param base radix of encoding from [2 to 254]
+     * @param digits alphabet of encoding
      * @return encoded string
+     * @throw basen::Exception(BASE) if base < 2 || base > 254
      */
     std::string encode(std::span<const uint8_t> data, uint8_t base, const char *digits);
 
     /**
      * @param str [in] pointer to string which you want decode
-     * @param str_size
      * @param data [out] pointer to data for encoded string output
-     * @param data_size
-     * @param base from 1 to 255
-     * @param digits char[base] array of digits
-     * @param map uint8_t[256] array, where at an index equal to the value of the symbol is the index of this symbol in the digits array. 255 if there is no symbol
-     * @code{cpp}
-     * std::string str;
-     * std::vector<uint8_t> data(baseN::sizeDecoded(str, 58));
-     *
-     * auto offset = baseN::decode(str.data(), str.size(), data.data(), data.size(), 58, base58::digits, base58::map);
-     * // deleting leading zeroes
-     * data.erase(data.begin(), data.begin() + offset);
-     * @endcode
+     * @param base radix of encoding from [2 to 254]
+     * @param digits alphabet of encoding
+     * @param map map of alphabet of encoding, which is returned by baseN::digitsMap
      * @return number of leading chars, which should be trimmed
      * @throw basen::Exception(BASE) if base < 2 || base > 254
      * @throw basen::Exception(OUT_OF_ALPH) if out of alphabet
@@ -101,14 +76,12 @@ namespace baseN
     size_t decode(const char *str, size_t str_size, uint8_t *data, size_t data_size, uint8_t base, const char *digits, const uint8_t *map);
     /**
      * @param str string or string_view which you want to decode
-     * @param base from 1 to 255
-     * @param digits char[base] array of digits
-     * @param map uint8_t[256] array, where at an index equal to the value of the symbol is the index of this symbol in the digits array. 255 if there is no symbol
-     * @code{cpp}
-     * std::string str;
-     * auto data = baseN::decode(str, 58, base58::digits, base58::map);
-     * @endcode
+     * @param base radix of encoding from [2 to 254]
+     * @param digits alphabet of encoding
+     * @param map map of alphabet of encoding, which is returned by baseN::digitsMap
      * @return decoded data
+     * @throw basen::Exception(BASE) if base < 2 || base > 254
+     * @throw basen::Exception(OUT_OF_ALPH) if out of alphabet
      */
     std::vector<uint8_t> decode(std::string_view str, uint8_t base, const char *digits, const uint8_t *map);
 }

include/basen/hex.hpp

@@ -7,31 +7,62 @@
 
 namespace hex
 {
+    /**
+     * @brief lower case chars
+     */
     extern const char digits[17];
     extern const uint8_t map[256];
 
+    /**
+     * @return checks what contains only alphabet chars
+     */
     bool isValid(const char *str, size_t str_size) noexcept;
+    /**
+     * @param str string or string_view which you want to decode
+     * @return checks what contains only alphabet chars
+     */
     bool isValid(std::string_view str) noexcept;
 
     /**
+     * @param data vector or span of data which you want to encode
+     * @return exact size after encoding
      * @throw basen::Exception(OVERFLOW) if there is an overflow
      */
     size_t sizeEncoded(std::span<const uint8_t> data);
+    /**
+     * @param str string or string_view which you want to decode
+     * @return exact size after decoding
+     */
     size_t sizeDecoded(std::string_view str) noexcept;
 
     /**
+     * @param data [in] pointer to data which you want encode
+     * @param str [out] pointer to string for encoded data output
+     * @throw basen::Exception(OVERFLOW) from hex::sizeEncoded
      * @throw basen::Exception(LENGTH) if not enough allocated length
-     * @warning contain leading zeros, returns count of them
      */
     void encode(const uint8_t *data, size_t data_size, char *str, size_t str_size);
+    /**
+     * @param data vector or span of data which you want to encode
+     * @return encoded string
+     * @throw basen::Exception(OVERFLOW) from hex::sizeEncoded
+     * @throw basen::Exception(LENGTH) if not enough allocated length
+     */
     std::string encode(std::span<const uint8_t> data);
 
     /**
+     * @param str [in] pointer to string which you want decode
+     * @param data [out] pointer to data for encoded string output
      * @throw basen::Exception(LENGTH) if not enough allocated length
      * @throw basen::Exception(OUT_OF_ALPH) if out of digits map
      * @throw basen::Exception(PADDING) if str_size %2 != 0 (isn't hex)
-     * @warning contain leading zeros, returns count of them
      */
     void decode(const char *str, size_t str_size, uint8_t *data, size_t data_size);
+    /**
+     * @param str string or string_view which you want to decode
+     * @throw basen::Exception(LENGTH) if not enough allocated length
+     * @throw basen::Exception(OUT_OF_ALPH) if out of digits map
+     * @throw basen::Exception(PADDING) if str_size %2 != 0 (isn't hex)
+     */
     std::vector<uint8_t> decode(std::string_view str);
 }

include/meson.build

@@ -0,0 +1 @@
+install_subdir('.', install_dir: 'include', exclude_files: ['meson.build'])

meson.build

@@ -0,0 +1,34 @@
+project(
+    'basen',
+    'cpp',
+    version: '1.1.1',
+    default_options: {
+        'cpp_std': 'c++20',
+        'cpp_args': '-Wall -Wextra -Werror -Wno-unused-result',
+    },
+    license: 'LGPL-3.0-only',
+    license_files: 'LICENSE',
+    meson_version: '>=1.10.0',
+)
+
+configure_file(
+    input: 'config.hpp.in',
+    output: 'config.hpp',
+    configuration: {'ver_str': meson.project_version()},
+)
+
+include = include_directories('.', 'include')
+
+subdir('include')
+subdir('src')
+
+basen_dep = declare_dependency(
+    link_with: libbasen,
+    include_directories: include,
+)
+
+if get_option('buildtype') == 'debug'
+  subdir('test')
+endif
+
+subdir('tools')

src/baseN.cpp

@@ -1,12 +1,11 @@
 #include <algorithm>
 #include <cmath>
 #include <limits>
-#include <stdexcept>
 
 #include <basen/baseN.hpp>
 #include <basen/Exception.hpp>
 
-static constexpr auto log256 = std::log(256);
+static constexpr auto log256 = 5.545177444479562;
 
 namespace baseN
 {
@@ -40,7 +39,7 @@ namespace baseN
         std::span<const uint8_t> dv(std::find_if(data.begin(), data.end(), [](uint8_t item)
                                                  { return item != 0; }),
                                     data.end());
-        if (dv.size() > std::numeric_limits<size_t>::max() / log256)
+        if (dv.size() > (double)std::numeric_limits<size_t>::max() / log256)
         {
             throw basen::Exception(basen::Exception::Code::OVERFLOW);
         }

src/hex.cpp

@@ -1,5 +1,4 @@
 #include <limits>
-#include <stdexcept>
 
 #include <basen/baseN.hpp>
 #include <basen/Exception.hpp>

src/meson.build

@@ -0,0 +1,11 @@
+libbasen = library(
+    'basen',
+    'hex.cpp',
+    'baseN.cpp',
+    'base58.cpp',
+    'base64.cpp',
+    'Exception.cpp',
+    'hash/sha256.cpp',
+    include_directories: [include],
+    install: true,
+)

test/Exception.cpp

@@ -27,9 +27,3 @@ TEST(Exception, code)
         EXPECT_EQ(uint32_t(e.code()), uint32_t(basen::Exception::Code::BASE));
     }
 }
-
-int main(int argc, char **argv)
-{
-    testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}

test/base58.cpp

@@ -21,9 +21,3 @@ TEST(base58, decodeCheck)
     EXPECT_EQ(test.first, hex::encode(decodeCheck(test.second)));
     EXPECT_THROW(decodeCheck("incorrect"), basen::Exception);
 }
-
-int main(int argc, char **argv)
-{
-    testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}

test/base64.cpp

@@ -0,0 +1,61 @@
+#include <utility>
+
+#include <basen/base64.hpp>
+#include <basen/Exception.hpp>
+#include <basen/hex.hpp>
+#include <gtest/gtest.h>
+
+namespace base64 {
+  
+  TEST(base64, isValid)
+  {
+      std::vector<std::pair<bool, std::string>> tests = {
+          {true, "12=="},
+          {true, "123="},
+          {true, "1234"},
+          {false, "1==="},
+          {false, "?!*"},
+      };
+      for (auto it : tests)
+          EXPECT_EQ(it.first, isValid(it.second));
+  }
+  std::vector<std::pair<std::string, std::string>> tests = {
+      {"", ""},
+      {"BKUEpQ==", "04a504a5"},
+      {"aGVsbG8=", "68656c6c6f"},
+      {"aGVsbG9v", "68656c6c6f6f"},
+  };
+  TEST(base64, encode)
+  {
+      for (auto it : tests)
+          EXPECT_EQ(it.first, encode(hex::decode(it.second)));
+
+      std::vector<uint8_t> data = {0x74, 0x65, 0x73, 0x74};
+      std::string str = "";
+      EXPECT_THROW(encode(data.data(), std::numeric_limits<size_t>::max(), str.data(), str.size()), basen::Exception);
+      EXPECT_THROW(encode(data.data(), data.size(), str.data(), str.size()), basen::Exception);
+      EXPECT_NO_THROW(encode(data.data(), 0, str.data(), str.size()));
+  }
+  TEST(base64, encode_1e7)
+  {
+      std::vector<uint8_t> data(1e7);
+      encode(data);
+  }
+  TEST(base64, decode)
+  {
+      for (auto it : tests)
+          EXPECT_EQ(hex::encode(decode(it.first)), it.second);
+
+      std::vector<uint8_t> data = {0x61, 0x6e, 0x6f};
+      EXPECT_THROW(decode("FFF", 3, data.data(), data.size()), basen::Exception);
+      EXPECT_THROW(decode("!@#!", 4, data.data(), data.size()), basen::Exception);
+      EXPECT_THROW(decode("FF==", 2, data.data(), 0), basen::Exception);
+      EXPECT_NO_THROW(decode("", 0, data.data(), 0));
+  }
+  TEST(base64, decode_1e7)
+  {
+      std::string str(1e7, '0');
+      decode(str);
+  }
+
+}

test/baseN.cpp

@@ -0,0 +1,85 @@
+#include <utility>
+
+#include <basen/base58.hpp>
+#include <basen/baseN.hpp>
+#include <basen/Exception.hpp>
+#include <basen/hex.hpp>
+#include <gtest/gtest.h>
+
+namespace baseN {
+
+  TEST(baseN, digitsMap)
+  {
+      uint8_t map[256];
+      digitsMap(base58::digits, 58, map);
+      EXPECT_TRUE(std::equal(map, map + 256, base58::map));
+
+      EXPECT_THROW(digitsMap("11", 2, map), basen::Exception);
+  }
+  TEST(baseN, isValid)
+  {
+      std::vector<std::pair<bool, std::string>> tests = {
+          {true, "123"},
+          {false, "@#$"},
+      };
+      for (auto it : tests)
+          EXPECT_EQ(it.first, isValid(it.second, base58::map));
+  }
+  TEST(baseN, sizeEncoded)
+  {
+      std::vector<std::pair<size_t, std::string>> tests = {
+          {6, "12341234"},
+          {5, "00000000"},
+      };
+         for (auto it : tests)
+          EXPECT_EQ(it.first, sizeEncoded(hex::decode(it.second), 58));
+
+      EXPECT_THROW(sizeEncoded(hex::decode(""), 0), basen::Exception);
+  }
+  TEST(baseN, sizeDecoded)
+  {
+      std::vector<std::pair<size_t, std::string>> tests = {
+          {3, "qwer"},
+          {5, "1111"},
+      };
+      for (auto it : tests)
+          EXPECT_EQ(it.first, sizeDecoded(it.second, 58, base58::digits));
+
+      EXPECT_THROW(sizeDecoded("", 0, base58::digits), basen::Exception);
+  }
+  std::vector<std::pair<std::string, std::string>> tests = {
+      {"", ""},
+      {"Ky", "044c"},
+      {"KyK", "f94a"},
+      {"KyKX", "387ae2"},
+      {"KyKXa", "0ccbd755"},
+      {"KyKXaa", "02e62ec963"},
+      {"111KyKX", "000000387ae2"},
+      {"4uqWDRyJZUpS6KKwLAiitndmv7TPFt2bfxVVfhJhgTn3Rh6aQtGHQY6PhhNDpCwSNU8a",
+       "057902f9cebebb68879911002aae743280140a78c4a077405b057902f9cebebb68879911002aae743280140a78c4a077405b"},
+  };
+  TEST(baseN, encode)
+  {
+      for (auto it : tests)
+          EXPECT_EQ(it.first, encode(hex::decode(it.second), 58, base58::digits));
+  }
+  TEST(baseN, encode_1e3)
+  {
+      std::vector<uint8_t> data(1e3);
+      std::fill(data.begin(), data.end(), 1);
+      encode(data, 58, base58::digits);
+  }
+  TEST(baseN, decode)
+  {
+      for (auto it : tests)
+          EXPECT_EQ(hex::encode(decode(it.first, 58, base58::digits, base58::map)), it.second);
+
+      EXPECT_THROW(decode("!@#", 58, base58::digits, base58::map), basen::Exception);
+  }
+  TEST(baseN, decode_1e3)
+  {
+      std::string str(1e3, '2');
+      decode(str, 58, base58::digits, base58::map);
+  }
+
+}

test/hash/sha256.cpp

@@ -16,9 +16,3 @@ TEST(hash, sha256_1e4)
         sha256(data);
     }
 }
-
-int main(int argc, char **argv)
-{
-    testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}

test/hex.cpp

@@ -45,9 +45,3 @@ TEST(hex, decode_1e7)
     std::string str(1e7, '0');
     decode(str);
 }
-
-int main(int argc, char **argv)
-{
-    testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}

test/meson.build

@@ -0,0 +1,14 @@
+gtest_dep = dependency('gtest', main: true)
+
+test_exe = executable(
+    'test_exe',
+    'hex.cpp',
+    'baseN.cpp',
+    'base58.cpp',
+    'base64.cpp',
+    'Exception.cpp',
+    'hash/sha256.cpp',
+    dependencies: [basen_dep, gtest_dep],
+)
+
+test('lib', test_exe)

test/test-base64.cpp

@@ -1,65 +0,0 @@
-#include <utility>
-
-#include <basen/base64.hpp>
-#include <basen/Exception.hpp>
-#include <basen/hex.hpp>
-#include <gtest/gtest.h>
-
-using namespace base64;
-
-TEST(base64, isValid)
-{
-    std::vector<std::pair<bool, std::string>> tests = {
-        {true, "12=="},
-        {true, "123="},
-        {true, "1234"},
-        {false, "1==="},
-        {false, "?!*"},
-    };
-    for (auto it : tests)
-        EXPECT_EQ(it.first, isValid(it.second));
-}
-std::vector<std::pair<std::string, std::string>> tests = {
-    {"", ""},
-    {"BKUEpQ==", "04a504a5"},
-    {"aGVsbG8=", "68656c6c6f"},
-    {"aGVsbG9v", "68656c6c6f6f"},
-};
-TEST(base64, encode)
-{
-    for (auto it : tests)
-        EXPECT_EQ(it.first, encode(hex::decode(it.second)));
-
-    std::vector<uint8_t> data = {0x74, 0x65, 0x73, 0x74};
-    std::string str = "";
-    EXPECT_THROW(encode(data.data(), std::numeric_limits<size_t>::max(), str.data(), str.size()), basen::Exception);
-    EXPECT_THROW(encode(data.data(), data.size(), str.data(), str.size()), basen::Exception);
-    EXPECT_NO_THROW(encode(data.data(), 0, str.data(), str.size()));
-}
-TEST(base64, encode_1e7)
-{
-    std::vector<uint8_t> data(1e7);
-    encode(data);
-}
-TEST(base64, decode)
-{
-    for (auto it : tests)
-        EXPECT_EQ(hex::encode(decode(it.first)), it.second);
-
-    std::vector<uint8_t> data = {0x61, 0x6e, 0x6f};
-    EXPECT_THROW(decode("FFF", 3, data.data(), data.size()), basen::Exception);
-    EXPECT_THROW(decode("!@#!", 4, data.data(), data.size()), basen::Exception);
-    EXPECT_THROW(decode("FF==", 2, data.data(), 0), basen::Exception);
-    EXPECT_NO_THROW(decode("", 0, data.data(), 0));
-}
-TEST(base64, decode_1e7)
-{
-    std::string str(1e7, '0');
-    decode(str);
-}
-
-int main(int argc, char **argv)
-{
-    testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}

test/test-baseN.cpp

@@ -1,89 +0,0 @@
-#include <utility>
-
-#include <basen/base58.hpp>
-#include <basen/baseN.hpp>
-#include <basen/Exception.hpp>
-#include <basen/hex.hpp>
-#include <gtest/gtest.h>
-
-using namespace baseN;
-
-TEST(baseN, digitsMap)
-{
-    uint8_t map[256];
-    digitsMap(base58::digits, 58, map);
-    EXPECT_TRUE(std::equal(map, map + 256, base58::map));
-
-    EXPECT_THROW(digitsMap("11", 2, map), basen::Exception);
-}
-TEST(baseN, isValid)
-{
-    std::vector<std::pair<bool, std::string>> tests = {
-        {true, "123"},
-        {false, "@#$"},
-    };
-    for (auto it : tests)
-        EXPECT_EQ(it.first, isValid(it.second, base58::map));
-}
-TEST(baseN, sizeEncoded)
-{
-    std::vector<std::pair<size_t, std::string>> tests = {
-        {6, "12341234"},
-        {5, "00000000"},
-    };
-       for (auto it : tests)
-        EXPECT_EQ(it.first, sizeEncoded(hex::decode(it.second), 58));
-
-    EXPECT_THROW(sizeEncoded(hex::decode(""), 0), basen::Exception);
-}
-TEST(baseN, sizeDecoded)
-{
-    std::vector<std::pair<size_t, std::string>> tests = {
-        {3, "qwer"},
-        {5, "1111"},
-    };
-    for (auto it : tests)
-        EXPECT_EQ(it.first, sizeDecoded(it.second, 58, base58::digits));
-
-    EXPECT_THROW(sizeDecoded("", 0, base58::digits), basen::Exception);
-}
-std::vector<std::pair<std::string, std::string>> tests = {
-    {"", ""},
-    {"Ky", "044c"},
-    {"KyK", "f94a"},
-    {"KyKX", "387ae2"},
-    {"KyKXa", "0ccbd755"},
-    {"KyKXaa", "02e62ec963"},
-    {"111KyKX", "000000387ae2"},
-    {"4uqWDRyJZUpS6KKwLAiitndmv7TPFt2bfxVVfhJhgTn3Rh6aQtGHQY6PhhNDpCwSNU8a",
-     "057902f9cebebb68879911002aae743280140a78c4a077405b057902f9cebebb68879911002aae743280140a78c4a077405b"},
-};
-TEST(baseN, encode)
-{
-    for (auto it : tests)
-        EXPECT_EQ(it.first, encode(hex::decode(it.second), 58, base58::digits));
-}
-TEST(baseN, encode_1e3)
-{
-    std::vector<uint8_t> data(1e3);
-    std::fill(data.begin(), data.end(), 1);
-    encode(data, 58, base58::digits);
-}
-TEST(baseN, decode)
-{
-    for (auto it : tests)
-        EXPECT_EQ(hex::encode(decode(it.first, 58, base58::digits, base58::map)), it.second);
-
-    EXPECT_THROW(decode("!@#", 58, base58::digits, base58::map), basen::Exception);
-}
-TEST(baseN, decode_1e3)
-{
-    std::string str(1e3, '2');
-    decode(str, 58, base58::digits, base58::map);
-}
-
-int main(int argc, char **argv)
-{
-    testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}

tools/basen.cpp

@@ -1,10 +1,10 @@
-#include <functional>
 #include <iostream>
 #include <unordered_map>
 
 #include <argparse/argparse.hpp>
 
 #include <basen.hpp>
+#include <config.hpp>
 
 #ifdef _WIN32
 #include <io.h>
@@ -80,6 +80,8 @@ int main(int argc, char *argv[])
     program.add_argument("-d", "--decode")
         .help("decode flag")
         .flag();
+    program.add_argument("-v", "--version")
+        .flag();
     try
     {
         program.parse_args(argc, argv);
@@ -88,6 +90,10 @@ int main(int argc, char *argv[])
     {
         return basen::error(err.what(), program);
     }
+    if (program.is_used("-v")) {
+        std::cout << BASEN_VER_STR << std::endl;
+        return 0;
+    }
     if (!program.is_used("-t") && !program.is_used("-a"))
     {
         return basen::error("either -t or -a should be provided", program);

tools/meson.build

@@ -0,0 +1,8 @@
+argparse_dep = dependency('argparse')
+
+executable(
+    'basen',
+    'basen.cpp',
+    dependencies: [basen_dep, argparse_dep],
+    install: true,
+)