added toml_generator example

2020-04-14 08:25:03 +03:00 · 2020-04-14 08:25:03 +03:00 · 61304ac519
commit 61304ac519
parent cd9b3d2198
7 changed files with 309 additions and 20 deletions
--- a/examples/meson.build
+++ b/examples/meson.build
@ -1,6 +1,6 @@
-parse_file = executable(
-	'parse_file',
-	[ 'parse_file.cpp' ],
+simple_parser = executable(
+	'simple_parser',
+	[ 'simple_parser.cpp' ],
 	include_directories : inc
 )

@ -9,3 +9,9 @@ toml_to_json_transcoder = executable(
 	[ 'toml_to_json_transcoder.cpp' ],
 	include_directories : inc
 )
+
+toml_generator = executable(
+	'toml_generator',
+	[ 'toml_generator.cpp' ],
+	include_directories : inc
+)
--- a/examples/simple_parser.cpp
+++ b/examples/simple_parser.cpp
@ -4,8 +4,8 @@
 // SPDX-License-Identifier: MIT
 /*

-	This example demonstrates how to use the toml::json_formatter to
-	re-serialize TOML data as JSON.
+	This example demonstrates how to parse TOML from a file and
+	re-serialize it (print it out) to stdout.

 */
 #include <iostream>
@ -29,7 +29,7 @@ int main(int argc, char** argv)
 	try
 	{
 		const auto tbl = toml::parse(file, std::move(path));
-		std::cout << tbl << std::endl;
+		//std::cout << tbl << std::endl;
 	}
 	catch (const toml::parse_error& err)
 	{
--- a/examples/toml_generator.cpp
+++ b/examples/toml_generator.cpp
@ -0,0 +1,203 @@
+// This file is a part of toml++ and is subject to the the terms of the MIT license.
+// Copyright (c) 2019-2020 Mark Gillard <mark.gillard@outlook.com.au>
+// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
+// SPDX-License-Identifier: MIT
+/*
+
+	This example demonstrates some slightly advanced techniques
+	being used to randomly generate a tree of TOML data.
+
+*/
+#include <iostream>
+#include <fstream>
+#include <array>
+#include <ctime>
+#include "utf8_console.h"
+#define TOML_UNRELEASED_FEATURES 1
+#include <toml++/toml.h>
+using namespace std::string_view_literals;
+
+namespace
+{
+	inline constexpr auto words = std::array
+	{
+		"acceptable"sv,	"contain"sv,	"ghost"sv,	"mark"sv,	"respect"sv,	"taboo"sv,
+		"actually"sv,	"cream"sv,	"gleaming"sv,	"meaty"sv,	"rest"sv,	"tacky"sv,
+		"addition"sv,	"creature"sv,	"glorious"sv,	"memory"sv,	"rice"sv,	"tank"sv,
+		"adhesive"sv,	"crime"sv,	"gold"sv,	"messy"sv,	"rich"sv,	"tent"sv,
+		"adorable"sv,	"cross"sv,	"grandfather"sv,	"miss"sv,	"righteous"sv,	"terrible"sv,
+		"advise"sv,	"crowded"sv,	"gusty"sv,	"modern"sv,	"room"sv,	"threatening"sv,
+		"afraid"sv,	"crown"sv,	"haircut"sv,	"morning"sv,	"rotten"sv,	"three"sv,
+		"ancient"sv,	"cure"sv,	"hard-to-find"sv,	"naughty"sv,	"royal"sv,	"ticket"sv,
+		"anxious"sv,	"curious"sv,	"harm"sv,	"neck"sv,	"run"sv,	"title"sv,
+		"aromatic"sv,	"curtain"sv,	"heavy"sv,	"night"sv,	"satisfy"sv,	"torpid"sv,
+		"attempt"sv,	"cycle"sv,	"helpless"sv,	"nondescript"sv,	"scary"sv,	"train"sv,
+		"babies"sv,	"deadpan"sv,	"high-pitched"sv,	"overjoyed"sv,	"scatter"sv,	"umbrella"sv,
+		"bake"sv,	"decisive"sv,	"hilarious"sv,	"page"sv,	"scene"sv,	"unadvised"sv,
+		"ball"sv,	"deeply"sv,	"history"sv,	"partner"sv,	"scintillating"sv,	"unbecoming"sv,
+		"bat"sv,	"delightful"sv,	"hook"sv,	"party"sv,	"self"sv,	"unbiased"sv,
+		"behave"sv,	"deserted"sv,	"ignore"sv,	"pause"sv,	"selfish"sv,	"unite"sv,
+		"best"sv,	"draconian"sv,	"imperfect"sv,	"pear"sv,	"silky"sv,	"uptight"sv,
+		"birds"sv,	"dreary"sv,	"impossible"sv,	"picture"sv,	"sisters"sv,	"used"sv,
+		"blind"sv,	"dull"sv,	"incandescent"sv,	"place"sv,	"ski"sv,	"vengeful"sv,
+		"blood"sv,	"enthusiastic"sv,	"influence"sv,	"playground"sv,	"skip"sv,	"versed"sv,
+		"blue-eyed"sv,	"equable"sv,	"innocent"sv,	"popcorn"sv,	"snow"sv,	"vessel"sv,
+		"boiling"sv,	"excuse"sv,	"insidious"sv,	"prefer"sv,	"soap"sv,	"view"sv,
+		"bore"sv,	"experience"sv,	"itch"sv,	"productive"sv,	"spare"sv,	"voyage"sv,
+		"borrow"sv,	"fabulous"sv,	"jail"sv,	"profuse"sv,	"spicy"sv,	"wall"sv,
+		"broken"sv,	"familiar"sv,	"kindhearted"sv,	"protective"sv,	"spiritual"sv,	"want"sv,
+		"capable"sv,	"finger"sv,	"lackadaisical"sv,	"pumped"sv,	"sprout"sv,	"weary"sv,
+		"charming"sv,	"finicky"sv,	"laughable"sv,	"rabbit"sv,	"squirrel"sv,	"week"sv,
+		"cheerful"sv,	"fix"sv,	"leather"sv,	"rapid"sv,	"stale"sv,	"whip"sv,
+		"chubby"sv, "flagrant"sv, "legal"sv, "regret"sv, "step"sv, "wilderness"sv,
+		"clean"sv, "flat"sv, "lewd"sv, "reject"sv, "stingy"sv, "wistful"sv,
+		"close"sv, "flimsy"sv, "license"sv, "rejoice"sv, "string"sv, "worried"sv,
+		"cobweb"sv, "fuel"sv, "light"sv, "relation"sv, "sulky"sv, "wretched"sv,
+		"complex"sv, "furtive"sv, "march"sv, "remarkable"sv, "surprise"sv, "zealous"sv,
+		"consist"sv, "geese"sv
+	};
+
+	template <typename T>
+	[[nodiscard]]
+	static T rand(T excl_max) noexcept
+	{
+		return static_cast<T>(static_cast<T>(::rand()) % excl_max);
+	}
+
+	template <typename T>
+	[[nodiscard]]
+	static T rand(T incl_min, T excl_max) noexcept
+	{
+		return static_cast<T>(incl_min + rand(excl_max - incl_min));
+	}
+
+	static auto rand_date() noexcept
+	{
+		return toml::date
+		{
+			rand(uint16_t{ 1900 }, uint16_t{ 2021 }),
+			rand(uint8_t{ 1 }, uint8_t{ 13 }),
+			rand(uint8_t{ 1 }, uint8_t{ 29 })
+		};
+	}
+
+	static auto rand_time() noexcept
+	{
+		return toml::time
+		{
+			rand(uint8_t{ 24 }),
+			rand(uint8_t{ 60 }),
+			rand(uint8_t{ 60 }),
+			rand(100) > 80 ? rand(1000000000u) : 0u
+		};
+	}
+
+	static auto rand_string(size_t word_count, char sep = ' ') noexcept
+	{
+		std::string val;
+		while (word_count-- > 0u)
+		{
+			if (!val.empty())
+				val += sep;
+			val.append(words[rand(words.size())]);
+		}
+		return val;
+	}
+}
+
+
+int main(int argc, char** argv)
+{
+	init_utf8_console();
+	srand(static_cast<unsigned int>(time(nullptr)));
+
+	size_t node_budget = 100u;
+	for (int i = 1; i < argc; i++)
+		if (std::string_view{ argv[i] } == "--many"sv)
+			node_budget *= 100u;
+
+	toml::table root;
+	std::vector<toml::node*> tree;
+	tree.push_back(&root);
+	constexpr size_t max_depth = 10u;
+	int container_min_values = 10;
+
+	const auto add = [&](auto&& obj) noexcept -> toml::node&
+	{
+		toml::node* new_node{};
+
+		if (auto arr = tree.back()->as_array())
+			new_node = &arr->push_back(std::forward<decltype(obj)>(obj));
+		else
+			new_node = &(*tree.back()->ref<toml::table>().insert_or_assign(
+				rand_string(rand<size_t>(1u, 4u), '-'),
+				std::forward<decltype(obj)>(obj)
+			).first).value;
+
+		if constexpr (toml::is_array<decltype(obj)> || toml::is_table<decltype(obj)>)
+		{
+			tree.push_back(new_node);
+			container_min_values = rand(2, 6);
+		}
+		else
+			container_min_values--;
+
+		node_budget--;
+		return *new_node;
+	};
+
+	while (node_budget)
+	{
+		if (rand(100) >= 75)
+		{
+			if (container_min_values <= 0 && tree.size() < max_depth)
+				add(toml::table{}).ref<toml::table>().is_inline(tree.size() >= max_depth - 2u && rand(100) >= 70);
+		}
+		else
+		{
+			switch (static_cast<toml::node_type>((rand() % 8) + 2))
+			{
+				case toml::node_type::array:
+					if (container_min_values <= 0 && tree.size() < max_depth)
+						add(toml::array{});
+					break;
+
+				case toml::node_type::string:
+					add(rand_string(rand<size_t>(8u)));
+					break;
+
+				case toml::node_type::integer:
+					add(rand());
+					break;
+
+				case toml::node_type::floating_point:
+					add(rand(10001u) / 10000.0);
+					break;
+
+				case toml::node_type::boolean:
+					add(!rand(2u));
+					break;
+
+				case toml::node_type::date:
+					add(rand_date());
+					break;
+
+				case toml::node_type::time:
+					add(rand_time());
+					break;
+
+				case toml::node_type::date_time:
+					add(rand(100) >= 75
+						? toml::date_time{ rand_date(), rand_time() }
+						: toml::date_time{ rand_date(), rand_time(), toml::time_offset{ rand<int8_t>(-11, 12), rand<int8_t>(-45, +46) } }
+					);
+					break;
+			}
+			if (container_min_values <= 0 && tree.size() >= 2u && rand(100) >= 85)
+				tree.pop_back();
+		}
+	}
+
+	std::cout << root << std::endl;
+	return 0;
+}
--- a/examples/toml_to_json_transcoder.cpp
+++ b/examples/toml_to_json_transcoder.cpp
@ -4,8 +4,8 @@
 // SPDX-License-Identifier: MIT
 /*

-	This example demonstrates how to parse TOML from a file and
-	re-serialize it (print it out) to stdout.
+	This example demonstrates how to use the toml::json_formatter to
+	re-serialize TOML data as JSON.

 */
 #include <iostream>
--- a/vs/simple_parser.vcxproj
+++ b/vs/simple_parser.vcxproj
@ -59,7 +59,7 @@
    <LocalDebuggerWorkingDirectory>$(SolutionDir)..\examples\</LocalDebuggerWorkingDirectory>
  </PropertyGroup>
  <ItemGroup>
-    <ClCompile Include="..\examples\parse_file.cpp" />
+    <ClCompile Include="..\examples\simple_parser.cpp" />
  </ItemGroup>
  <ItemGroup>
    <None Include="..\examples\example.toml" />
--- a/vs/toml++.sln
+++ b/vs/toml++.sln
@ -25,8 +25,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test_char8_strict_noexcept"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "examples", "examples", "{412816A5-9D22-4A30-BCDF-ABFB54BB3735}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "parse_file", "parse_file.vcxproj", "{259FCEE5-3442-4076-9547-2BA793ECA1CB}"
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "toml_to_json_transcoder", "toml_to_json_transcoder.vcxproj", "{BE34AA99-BEE6-4B50-B237-217E7C88FCB5}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test_x86_char", "test_x86_char.vcxproj", "{150FA82E-0E9F-4449-82A6-811BFFE6B5FE}"
@ -45,6 +43,10 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test_x86_char8_strict", "te
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test_x86_char8_strict_noexcept", "test_x86_char8_strict_noexcept.vcxproj", "{0CAD095A-C9F2-49FC-9C9F-4508498BE488}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "simple_parser", "simple_parser.vcxproj", "{259FCEE5-3442-4076-9547-2BA793ECA1CB}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "toml_generator", "toml_generator.vcxproj", "{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@ -125,14 +127,6 @@ Global
 		{9ADB61D3-FDFA-4A9C-A34F-663007BB70F6}.Release|Win32.Build.0 = Release|x64
 		{9ADB61D3-FDFA-4A9C-A34F-663007BB70F6}.Release|x64.ActiveCfg = Release|x64
 		{9ADB61D3-FDFA-4A9C-A34F-663007BB70F6}.Release|x64.Build.0 = Release|x64
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|Win32.ActiveCfg = Debug|Win32
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|Win32.Build.0 = Debug|Win32
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|x64.ActiveCfg = Debug|x64
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|x64.Build.0 = Debug|x64
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|Win32.ActiveCfg = Release|Win32
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|Win32.Build.0 = Release|Win32
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|x64.ActiveCfg = Release|x64
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|x64.Build.0 = Release|x64
 		{BE34AA99-BEE6-4B50-B237-217E7C88FCB5}.Debug|Win32.ActiveCfg = Debug|Win32
 		{BE34AA99-BEE6-4B50-B237-217E7C88FCB5}.Debug|Win32.Build.0 = Debug|Win32
 		{BE34AA99-BEE6-4B50-B237-217E7C88FCB5}.Debug|x64.ActiveCfg = Debug|x64
@ -205,6 +199,22 @@ Global
 		{0CAD095A-C9F2-49FC-9C9F-4508498BE488}.Release|Win32.Build.0 = Release|Win32
 		{0CAD095A-C9F2-49FC-9C9F-4508498BE488}.Release|x64.ActiveCfg = Release|Win32
 		{0CAD095A-C9F2-49FC-9C9F-4508498BE488}.Release|x64.Build.0 = Release|Win32
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|Win32.Build.0 = Debug|Win32
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|x64.ActiveCfg = Debug|x64
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Debug|x64.Build.0 = Debug|x64
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|Win32.ActiveCfg = Release|Win32
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|Win32.Build.0 = Release|Win32
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|x64.ActiveCfg = Release|x64
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB}.Release|x64.Build.0 = Release|x64
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Debug|Win32.ActiveCfg = Debug|Win32
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Debug|Win32.Build.0 = Debug|Win32
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Debug|x64.ActiveCfg = Debug|x64
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Debug|x64.Build.0 = Debug|x64
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Release|Win32.ActiveCfg = Release|Win32
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Release|Win32.Build.0 = Release|Win32
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Release|x64.ActiveCfg = Release|x64
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@ -218,7 +228,6 @@ Global
 		{F05F8C1B-7E23-4147-901E-AD91092E5752} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
 		{EAC419E9-0C72-4625-B2B9-E879F697021A} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
 		{9ADB61D3-FDFA-4A9C-A34F-663007BB70F6} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
-		{259FCEE5-3442-4076-9547-2BA793ECA1CB} = {412816A5-9D22-4A30-BCDF-ABFB54BB3735}
 		{BE34AA99-BEE6-4B50-B237-217E7C88FCB5} = {412816A5-9D22-4A30-BCDF-ABFB54BB3735}
 		{150FA82E-0E9F-4449-82A6-811BFFE6B5FE} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
 		{54DD1412-20C0-4700-96D7-3FD445E70996} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
@ -228,6 +237,8 @@ Global
 		{0BBEE569-536D-452C-808C-61843FECCC7E} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
 		{A4F27C6F-601D-45C0-9F81-7C100BD93B9A} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
 		{0CAD095A-C9F2-49FC-9C9F-4508498BE488} = {4E25CF88-D7D8-4A9C-A52E-0D78281E82EC}
+		{259FCEE5-3442-4076-9547-2BA793ECA1CB} = {412816A5-9D22-4A30-BCDF-ABFB54BB3735}
+		{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2} = {412816A5-9D22-4A30-BCDF-ABFB54BB3735}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {0926DDCC-88CD-4839-A82D-D9B99E02A0B1}
--- a/vs/toml_generator.vcxproj
+++ b/vs/toml_generator.vcxproj
@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <ProjectGuid>{23CE3B73-FEE7-436C-9B4E-3DFB202EE9A2}</ProjectGuid>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+    <ProjectName>toml_generator</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <Import Project="toml++.props" />
+  <PropertyGroup>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)..\examples\</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+  <ItemGroup>
+    <ClCompile Include="..\examples\toml_generator.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <Natvis Include="toml++.natvis" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+</Project>