Setup CMake and CI

.clang-format

@@ -0,0 +1,31 @@
+---
+Language: Cpp
+BasedOnStyle: LLVM
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Attach
+ColumnLimit: 160
+SpaceAfterTemplateKeyword: true
+Standard: c++20
+TabWidth: 4
+IndentWidth: 4
+UseTab: Always
+AllowShortEnumsOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+AllowShortLambdasOnASingleLine: All
+AllowShortBlocksOnASingleLine: Always
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortLoopsOnASingleLine: true
+IndentRequires: true
+IncludeCategories:
+    # Headers in <> with .h extension.
+    - Regex: '<([A-Za-z0-9\/-_])+\.h>'
+      Priority: 10
+    # Headers in <> with .hpp extension.
+    - Regex: '<([A-Za-z0-9\/-_])+\.hpp>'
+      Priority: 20
+    # Headers in <> without extension.
+    - Regex: '<([A-Za-z0-9\/-_])+>'
+      Priority: 30
+PointerAlignment: Left
+QualifierAlignment: Right

.clang-tidy

@@ -0,0 +1,22 @@
+---
+Checks: 'clang-analyzer-*,
+	concurrency-*,
+	cppcoreguidelines-*,
+	-cppcoreguidelines-non-private-member-variables-in-classes,
+	-cppcoreguidelines-avoid-magic-numbers,
+	-cppcoreguidelines-avoid-const-or-ref-data-members,
+	-cppcoreguidelines-avoid-do-while,
+	misc-*,
+	-misc-non-private-member-variables-in-classes,
+	-misc-no-recursion,
+	modernize-*,
+	-modernize-use-trailing-return-type,
+	performance-*,
+	portability-*,
+	readability-*,
+	-readability-identifier-length,
+	-readability-implicit-bool-conversion,
+	-readability-magic-numbers,
+	-readability-redundant-member-init,
+	-readability-uppercase-literal-suffix'
+...

.editorconfig

@@ -0,0 +1,19 @@
+[*]
+insert_final_newline = true
+charset = utf-8
+indent_size = 4
+indent_style = tab
+# Optional: git will commit as lf, this will only affect local files
+end_of_line = lf
+
+[*.{py,md,yml,sh,cmake,json}]
+indent_style = space
+indent_size = 2
+
+[*.{py,md,yml,sh,cmake,json}.in]
+indent_style = space
+indent_size = 2
+
+[CMakeLists.txt]
+indent_style = space
+indent_size = 2

.github/workflows/ci.yml

@@ -0,0 +1,105 @@
+name: ci-pr
+on: [pull_request, workflow_dispatch]
+jobs:
+  x64-linux-gcc:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt install -yqq ninja-build
+      - name: configure
+        run: cmake -S . --preset=ninja-gcc -B build -DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-linux-clang:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: |
+            uname -m
+            sudo apt update -yqq && sudo apt install -yqq clang-19 ninja-build
+            sudo update-alternatives --remove-all clang++
+            sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-19 10
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  arm64-linux-gcc:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m
+      - name: configure
+        run: cmake -S . --preset=ninja-gcc -B build -DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  arm64-linux-clang:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: |
+            uname -m
+            sudo apt update -yqq && sudo apt install -yqq clang-19 ninja-build
+            sudo update-alternatives --remove-all clang++
+            sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-19 10
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-windows-vs22:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: configure
+        run: cmake -S . --preset=vs22 -B build
+      - name: build debug
+        run: cmake --build build --config=Debug --parallel
+      - name: build release
+        run: cmake --build build --config=Release --parallel
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-windows-clang:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: choco install ninja
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B clang
+      - name: build debug
+        run: cmake --build clang --config=Debug -- -v
+      - name: build release
+        run: cmake --build clang --config=Release -- -v
+      - name: test debug
+        run: cd clang && ctest -V -C Debug
+      - name: test release
+        run: cd clang && ctest -V -C Release

.gitignore

@@ -36,3 +36,13 @@
 /Test/out/build/x64-debug
 /cppjson/out/build/x64-debug
 /out/build/x64-Debug
+
+# clangd
+/.cache
+compile_commands.json
+
+# CMake presets
+CMakeUserPresets.json
+
+# CMake build output
+/out

CMakeLists.txt

@@ -1,4 +1,19 @@
-cmake_minimum_required (VERSION 3.8)
+cmake_minimum_required(VERSION 3.24)
 
-add_subdirectory("cppjson")
-add_subdirectory("Test")
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_DEBUG_POSTFIX "-d")
+
+include(version.cmake)
+
+project(cppjson VERSION ${cppjson_version})
+
+option(CPPJSON_BUILD_TESTS "Build cppjson tests" ${PROJECT_IS_TOP_LEVEL})
+
+add_subdirectory(cppjson)
+
+if(CPPJSON_BUILD_TESTS)
+  enable_testing()
+  add_subdirectory(Test)
+endif()