- Updated to version 1.6.3

- e_subst has been rewritten and no longer requires specifying the format string twice.
- Added the e_int method for formatting integers.
- Bug fixes and code optimizations.
- Benchmarks and tests added.
- Updated documentation and benchmark results.

- Обновлена версия на 1.6.3
- e_subst переделан и теперь не требует указывать форматную строку дважды.
- Добавлен метод e_int для форматирования целых чисел.
- Исправлены ошибки, оптимизирован код.
- Добавлены бенчмарки и тесты.
- Обновлена документация и результаты бенчмарков.

CMakeLists.txt

@@ -5,7 +5,7 @@ include(FetchContent)
 
 project(
     simstr
-    VERSION 1.6.2
+    VERSION 1.6.3
     DESCRIPTION "Yet another modern C++ string library"
     HOMEPAGE_URL "https://github.com/orefkov/simstr"
     LANGUAGES CXX

bench/CMakeLists.txt

@@ -6,10 +6,10 @@ cmake_minimum_required (VERSION 3.15)
 add_executable(benchStr bench_str.cpp bench.h)
 target_link_libraries(benchStr simstr::simstr benchmark::benchmark)
 target_compile_features(benchStr PUBLIC cxx_std_23)
+target_compile_definitions(benchStr PRIVATE SIMSTR_VERSION="${PROJECT_VERSION}")
 
 add_executable(process_result process_result.cpp)
 target_link_libraries(process_result simstr_simstr)
-
 if (EMSCRIPTEN)
     #target_link_options(benchStr PRIVATE -sSTACK_SIZE=1048576 -sINITIAL_MEMORY=128MB -sALLOW_MEMORY_GROWTH=0)
     set_target_properties (benchStr PROPERTIES SUFFIX .html)

bench/bench_str.cpp

@@ -155,7 +155,7 @@ void ConcatSimToSimHexS(benchmark::State& state) {
     for (auto _: state) {
         for (unsigned i = 1; i <= 100'000; i *= 10) {
             benchmark::DoNotOptimize(s1);
-            stringa str = e_subst(S_FRM("{}{} end"), s1, e_hex<HexFlags::Short>(i));
+            stringa str = e_subst("{}{} end", s1, e_hex<HexFlags::Short>(i));
             benchmark::DoNotOptimize(str);
         }
     }
@@ -176,13 +176,58 @@ void ConcatSimToSimHexVS(benchmark::State& state) {
 BENCHMARK(__)->Name("-----  Concatenate string + Hex Number + \"Literal\" ---------")->Repetitions(1);
 BENCHMARK(ConcatStdToFmtHex)    ->Name("Concat std::string and format hex number and literal to std::string");
 BENCHMARK(ConcatAllFmtToHex)    ->Name("std::format std::string and hex number by literal to std::string");
-BENCHMARK(ConcatStdToCharsHex)  ->Name("Concat std::string and std::tochars and string to std::string");
+BENCHMARK(ConcatStdToCharsHex)  ->Name("Concat std::string and std::to_chars and string to std::string");
 BENCHMARK(ConcatSimToStdHex)    ->Name("Concat std::string and hex number and literal by StrExpr to std::string");
 BENCHMARK(ConcatSimToSimHex)    ->Name("Concat stringa and hex number and literal by StrExpr to simstr::stringa");
 BENCHMARK(ConcatSimToSimHexC)   ->Name("Concat stringa and hex number and literal by e_concat to simstr::stringa");
 BENCHMARK(ConcatSimToSimHexS)   ->Name("Subst stringa and hex number by e_subst literal to simstr::stringa");
 BENCHMARK(ConcatSimToSimHexVS)  ->Name("Subst stringa and hex number by e_vsubst stra to simstr::stringa");
 
+void SubstSimToSimBin(benchmark::State& state) {
+    static bool first = true;
+    for (auto _: state) {
+        for (unsigned i = 1; i <= 100'000; i *= 10) {
+            stringa str = e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i));
+            benchmark::DoNotOptimize(str);
+        }
+    }
+}
+
+void FormatStdToStdBin(benchmark::State& state) {
+    for (auto _: state) {
+        for (unsigned i = 1; i <= 100'000; i *= 10) {
+            std::string str = std::format("art {:#010o} end", i);
+            benchmark::DoNotOptimize(str);
+        }
+    }
+}
+
+void VSubstSimToSimBin(benchmark::State& state) {
+    ssa pattern = "art {} end";
+    for (auto _: state) {
+        for (unsigned i = 1; i <= 100'000; i *= 10) {
+            stringa str = e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i));
+            benchmark::DoNotOptimize(str);
+        }
+    }
+}
+
+void VFormatStdToStdBin(benchmark::State& state) {
+    std::string_view pattern = "art {:#010o} end";
+    static bool first = true;
+    for (auto _: state) {
+        for (unsigned i = 1; i <= 100'000; i *= 10) {
+            std::string str = std::vformat(pattern, std::make_format_args(i));
+            benchmark::DoNotOptimize(str);
+        }
+    }
+}
+BENCHMARK(__)->Name("-----  format/vformat and subst/vsubst octal number ---------")->Repetitions(1);
+BENCHMARK(SubstSimToSimBin)     ->Name("e_subst(\"art {} end\", e_int<8, f::w<10> | f::p | f::z>(i))");
+BENCHMARK(FormatStdToStdBin)    ->Name("std::format(\"art {:#010o} end\", i)");
+BENCHMARK(VSubstSimToSimBin)    ->Name("e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))");
+BENCHMARK(VFormatStdToStdBin)   ->Name("std::vformat(pattern, std::make_format_args(i))");
+
 void ConcatStdToStdS(benchmark::State& state) {
     std::string s1 = "start ";
     for (auto _: state) {
@@ -2343,7 +2388,10 @@ BENCHMARK(BuildFuncNameSimStr)         ->Name("Build func full name stringa;");
 BENCHMARK(BuildFuncNameSimStr1)        ->Name("Build func full name stringa 1;");
 
 int main(int argc, char** argv) {
-    char arg1[] = "--benchmark_repetitions=10", arg2[] = "--benchmark_report_aggregates_only=true";
+    std::cout << "Benchmarks of simstr, version " SIMSTR_VERSION << "\n"
+        << "Sources: https://github.com/orefkov/simstr\n"
+        << "Results: https://orefkov.github.io/simstr/results.html\n" << std::endl;
+    char arg1[] = "--benchmark_repetitions=4", arg2[] = "--benchmark_report_aggregates_only=true";
     char* my_params[] = {argv[0], arg1, arg2};
     if (argc < 2) {
         argc = 3;

bench/header.txt

@@ -265,6 +265,7 @@
             }
         });
     </script>
-</head><body><div class="header"><h2>SimStr benchmarks results</h2>
+</head><body><div class="header"><h2>simstr benchmarks results</h2>
+<div style="font-size:16pt;margin:20px;text-align:center"><a href="https://github.com/orefkov/simstr">simstr</a> is a powerful and convenient library for productive work with strings in C++.</div>
 <span>All times in ns.</span>
 <span><a href="https://github.com/orefkov/simstr/blob/main/bench/bench_str.cpp">Source for benchmarks</a></span>

bench/process_result.cpp

@@ -117,7 +117,7 @@ void write_platforms_cpu(out_t& out, const results_vector& results) {
         size_t rp = r.cpu_info_.find('(') + 1, lp = r.cpu_info_.find(')', rp);
         ssa shortCpuInfo = r.cpu_info_.from_to(rp, lp);
         ssa cpuInfo = r.cpu_info_(lp + 2);
-        out.append_formatted(R"--(
+        out += e_subst(R"--(
 <li><span class="platform">{}</span><span class="tooltip">{}<span class="tooltiptext">{}</span></span>&nbsp;Include in charts: <input type="checkbox" id="pl{}" checked onchange="buildCharts()"/></li>)--",
             r.platform_, shortCpuInfo, cpuInfo, counter++);
         script += "'" + e_repl(r.platform_.to_str(), "'", "\\'") + "'" + e_choice(&r == &results.back(), "]", ",");

docs/Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = "simstr"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.6.2
+PROJECT_NUMBER         = 1.6.3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewers a

docs/Doxyfile_ru

@@ -48,7 +48,7 @@ PROJECT_NAME           = "simstr"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.6.2
+PROJECT_NUMBER         = 1.6.3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewers a

include/simstr/simple_unicode.h

@@ -1,6 +1,6 @@
 /*
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
- * ver. 1.6.2
+ * ver. 1.6.3
  */
 
 #pragma once

include/simstr/sstring.h

@@ -1,9 +1,9 @@
 /*
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
- * ver. 1.6.2
+ * ver. 1.6.3
  * Классы для работы со строками
 * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
-* ver. 1.6.2
+* ver. 1.6.3
 * Classes for working with strings
  */
 
@@ -3822,6 +3822,7 @@ class decl_empty_bases cestring :
     public null_terminated<K, lstring<K, N>>
     //, public from_utf_convertible<K, lstring<K, N, forShared, Allocator>>
 {
+public:
     using symb_type = K;
     using my_type = cestring<K, N>;
 

readme.md

@@ -3,7 +3,7 @@
 
 [![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml)
 
-Version 1.6.2.
+Version 1.6.3.
 
 <h2>Speed up your work with strings by 2-10 times!</h2>
 
@@ -323,8 +323,8 @@ function(add_simstr)
         simstr
         GIT_REPOSITORY https://github.com/orefkov/simstr.git
         GIT_SHALLOW TRUE
-        GIT_TAG tags/rel1.6.2 # Specify the desired release
+        GIT_TAG tags/rel1.6.3 # Specify the desired release
-        FIND_PACKAGE_ARGS NAMES simstr 1.6.2
+        FIND_PACKAGE_ARGS NAMES simstr 1.6.3
     )
     FetchContent_MakeAvailable(simstr)
 endfunction()

readme_ru.md

@@ -3,7 +3,7 @@
 
 [![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml)
 
-Версия 1.6.2.
+Версия 1.6.3.
 
 <h2>Ускорь работу со строками в 2-10 раз!</h2>
 
@@ -324,8 +324,8 @@ function(add_simstr)
         simstr
         GIT_REPOSITORY https://github.com/orefkov/simstr.git
         GIT_SHALLOW TRUE
-        GIT_TAG tags/rel1.6.2 # Укажите нужный релиз
+        GIT_TAG tags/rel1.6.3 # Укажите нужный релиз
-        FIND_PACKAGE_ARGS NAMES simstr 1.6.2
+        FIND_PACKAGE_ARGS NAMES simstr 1.6.3
     )
     FetchContent_MakeAvailable(simstr)
 endfunction()

src/sstring.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.2
+ * ver. 1.6.3
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Реализация строковых функций
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com

tests/test_expr_only.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.2
+ * ver. 1.6.3
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Тесты simstr
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@@ -8,6 +8,7 @@
 
 #include "../include/simstr/strexpr.h"
 #include <gtest/gtest.h>
+#include <format>
 #include <list>
 
 using namespace std::literals;
@@ -325,12 +326,12 @@ TEST(StrExpr, Concat) {
 TEST(StrExpr, Subst) {
     const auto ttt = "test"_ss;
     int ii = 3;
-    std::string t = e_subst(S_FRM("Test {{--}} {}=, {}"), ttt, ii);
+    std::string t = e_subst("Test {{--}} {}=, {}", ttt, ii);
     EXPECT_EQ(t, "Test {--} test=, 3");
-    t = e_subst(S_FRM("Test {2}={1}, {2}, {1}"), "test", 2);
+    t = e_subst("Test {2}={1}, {2}, {1}", "test", 2);
     EXPECT_EQ(t, "Test 2=test, 2, test");
 
-    std::u16string u16t = e_subst(S_FRM(u"Test {}={}, {}"), u"test", 2, u"test"sv);
+    std::u16string u16t = e_subst(u"Test {}={}, {}", u"test", 2, u"test"sv);
     EXPECT_EQ(u16t, u"Test test=2, test");
 }
 
@@ -344,4 +345,58 @@ TEST(StrExpr, VSubst) {
     EXPECT_EQ(t, "abc-abc-abc-abc-abc-abc-abc-abc");
 }
 
+TEST(StrExpr, EInt) {
+    std::string kk = eea + e_int<10, f::c | f::w<10> | f::f<'_'> | f::sp>(123);
+    EXPECT_EQ(kk, "___+123___");
+    std::u16string uk = eeu + e_int<2, f::p>(123);
+    EXPECT_EQ(uk, u"0b1111011");
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::z>(123);
+    std::string kf = std::format("{:#011b}", 123);
+
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::z>(-123);
+    kf = std::format("{:#011b}", -123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::z | f::sp>(123);
+    kf = std::format("{:+#011b}", 123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::z | f::sp>(-123);
+    kf = std::format("{:+#011b}", -123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::z | f::ss>(123);
+    kf = std::format("{: #011b}", 123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::z | f::ss>(-123);
+    kf = std::format("{: #011b}", -123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::w<11> | f::r | f::f<'_'>| f::ss>(-123);
+    kf = std::format("{:_> 11b}", -123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::w<11> | f::r | f::f<'_'>| f::ss>(123);
+    kf = std::format("{:_> 11b}", 123);
+    EXPECT_EQ(kk, kf);
+
+    kk = eea + e_int<2, f::p | f::w<11> | f::r | f::f<'_'>| f::ss>(123);
+    kf = std::format("{:_> #11b}", 123);
+    EXPECT_EQ(kk, kf);
+
+    //EXPECT_EQ(kk, "0b001111011");
+    //std::cout << std::format("'{:+#011b}'\n", 123);
+
+    //std::cout << std::format("'{:+#011b}'\n", -123);
+    //EXPECT_EQ(kk, std::format("{:#011b}", -123));
+
+    std::u32string uu = eeuu + e_int<16, f::wp | f::p | f::u | f::z/* | f::r*/>(123, 9);
+    EXPECT_EQ(uu, U"0x000007B");
+}
+
+
 } // namespace simstr::tests

tests/test_str.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.2
+ * ver. 1.6.3
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Тесты simstr
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@@ -1995,7 +1995,7 @@ TEST(SimStr, EFill) {
 TEST(SimStr, Subst) {
     int from = 1, total = 100;
     bool success = true;
-    lstringu<100> u16t = e_subst(S_FRM(u"Test {} from {}, {}."), from, total, e_choice(success, u"success", u"fail"));
+    lstringu<100> u16t = e_subst(u"Test {} from {}, {}.", from, total, e_choice(success, u"success", u"fail"));
     EXPECT_EQ(u16t, u"Test 1 from 100, success.");
 }
 
@@ -2003,7 +2003,8 @@ void check_equal(stra a, stra b) {
     EXPECT_EQ(a, b);
 }
 
-inline constexpr cestring<char, 100> ce_sample = "sample " + e_subst(S_FRM("test = {}"), e_hex(10)) + ", done";
+#ifndef _MSC_VER
+inline constexpr cestring<char, 100> ce_sample = "sample " + e_subst("test = {}", e_hex(10)) + ", done";
 
 TEST(SimStr, ConstEval) {
     constexpr cestring<char, 100> ce_empty;
@@ -2030,10 +2031,10 @@ TEST(SimStr, ConstEval) {
     constexpr cestring<char, 100> ce_expr = "test = "_ss + 10 + " times";
     static_assert(ce_expr == "test = 10 times");
 
-    constexpr cestring<char, 100> ce_subst = e_subst(S_FRM("test = {}"), 10);
+    constexpr cestring<char, 100> ce_subst = e_subst("test = {}", 10);
     static_assert(ce_subst == "test = 10");
 
-    constexpr cestring<char, 100> ce_hex = e_subst(S_FRM("test = {}"), e_hex(10));
+    constexpr cestring<char, 100> ce_hex = e_subst("test = {}", e_hex(10));
     static_assert(ce_hex == "test = 0x0000000A");
 
     constexpr cestring<char, 100> ce_concat = e_concat("", "test = ", 10, " times");
@@ -2054,9 +2055,9 @@ TEST(SimStr, ConstEval) {
     constexpr cestring<char, 100> ce_repl = e_repl("test", "e", "--");
     static_assert(ce_repl == "t--st");
 }
+#endif
 
 } // namespace simstr::tests
-
 TEST(SimStr, StrNoNamespace) {
     std::string str = "test";
     std::string test = +str + " = " + 10;

tests/test_tostrexpr.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.2
+ * ver. 1.6.3
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Тесты simstr
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@@ -69,7 +69,7 @@ TEST(ToStrExpr, CheckExclamation) {
     EXPECT_EQ(test, "Msg is <Happy Birthday!!!>");
 
     const add_exclamation cmsg{"Happy Birthday", 0};
-    test = e_subst(S_FRM("Msg is <{}>"), cmsg);
+    test = e_subst("Msg is <{}>", cmsg);
     EXPECT_EQ(test, "Msg is <Happy Birthday>");
 }
 //! [Method1]
@@ -149,7 +149,7 @@ TEST(ToStrExpr, CheckCarInfo) {
     EXPECT_EQ(test, "Car is <Model: Ford, Year: 2021>");
 
     ci.year++;
-    test = e_subst(S_FRM("Car is <{}>"), ci);
+    test = e_subst("Car is <{}>", ci);
     EXPECT_EQ(test, "Car is <Model: Ford, Year: 2022>");
 }
 //! [Method2]
@@ -216,7 +216,7 @@ TEST(ToStrExpr, CheckAnimal) {
     test = e_concat("", "<", dog, ">");
     EXPECT_EQ(test, "<Animal: Dog, Sound: Woof>");
 
-    test = e_subst(S_FRM("\\_{}_/"), animal{"Snake", "Pssstt"});
+    test = e_subst("\\_{}_/", animal{"Snake", "Pssstt"});
     EXPECT_EQ(test, "\\_Animal: Snake, Sound: Pssstt_/");
 }
 //! [Method3]
@@ -268,7 +268,7 @@ TEST(ToStrExpr, CheckTest) {
     t = e_concat("", "<", t2, ">");
     EXPECT_EQ(t, "<test 8 from 12>");
 
-    t = e_subst(S_FRM("<{}>"), test{99, 100});
+    t = e_subst("<{}>", test{99, 100});
     EXPECT_EQ(t, "<test 99 from 100>");
 
     // Проверим работу для не char
@@ -296,12 +296,13 @@ TEST(ToStrExpr, SubstCustom) {
     const auto ttt = "test"_ss;
     int ii = 3;
     const test tr{10, 10};
-    std::string t = e_subst(S_FRM("Test {{--}} {}={}, {}"), ttt, tr, ii);
+    std::string t = e_subst("Test {{--}} {}={}, {}", ttt, tr, ii);
     EXPECT_EQ(t, "Test {--} test=test 10 from 10, 3");
-    t = e_subst(S_FRM("Test {2}={1}, {2}, {1}"), "test", 2);
+    t = e_subst("Test {2}={1}, {2}, {1}", "test", 2);
     EXPECT_EQ(t, "Test 2=test, 2, test");
 
-    std::u16string u16t = e_subst(S_FRM(u"Test {}={}, {}"), u"test", 2, u"test"sv);
+    std::u16string u16t = e_subst(u"Test {}={}, {}", u"test", 2, u"test"sv);
     EXPECT_EQ(u16t, u"Test test=2, test");
 }
+
 } // namespace simstr::tests