Blaze is a ultra high-performance JSON Schema evaluator for modern C++. It targets C++20 and supports the Clang, GCC, and MSVC compilers on macOS, GNU/Linux, FreeBSD, Windows, and Unikraft (through the ELF loader).

Installation

As a git submodule

# Add the project as a submodule, in this case to deps/blaze
$ git submodule add https://github.com/sourcemeta/blaze.git deps/blaze
 
# Add the project as a CMake subdirectory
add_subdirectory("${PROJECT_SOURCE_DIR}/deps/blaze")
 
# Link your targets accordingly
target_link_libraries(my_executable_or_library PUBLIC sourcemeta::blaze::evaluator)
target_link_libraries(my_executable_or_library PUBLIC sourcemeta::blaze::compiler)

Using FetchContent

cmake_minimum_required(VERSION 3.14)
project(my_project)
set(CMAKE_CXX_STANDARD 20)
 
include(FetchContent)
FetchContent_Declare(
  blaze
  URL https://github.com/sourcemeta/blaze/archive/<commit-sha>.zip
  DOWNLOAD_EXTRACT_TIMESTAMP NO)
FetchContent_MakeAvailable(blaze)
 
add_executable(my_example ...)
target_link_libraries(my_example PUBLIC sourcemeta::blaze::evaluator)
target_link_libraries(my_example PUBLIC sourcemeta::blaze::compiler)

Using find_package

Assuming you have installed Blaze in a place where CMake can find the package config file:

find_package(Blaze REQUIRED)
 
# This package also supports component-based inclusion
find_package(Blaze REQUIRED COMPONENTS evaluator compiler)
 
# Link your targets accordingly
target_link_libraries(my_executable_or_library PUBLIC sourcemeta::blaze::evaluator)
target_link_libraries(my_executable_or_library PUBLIC sourcemeta::blaze::compiler)

CMake

Options

Option	Type	Default	Description
BLAZE_COMPILER	Boolean	ON	Build the Blaze compiler library
BLAZE_EVALUATOR	Boolean	ON	Build the Blaze evaluator library
BLAZE_OUTPUT	Boolean	ON	Build the Blaze output formats library
BLAZE_TEST	Boolean	ON	Build the Blaze test runner library
BLAZE_CONFIGURATION	Boolean	ON	Build the Blaze configuration file library
BLAZE_ALTERSCHEMA	Boolean	ON	Build the Blaze alterschema rule library
BLAZE_CODEGEN	Boolean	ON	Build the Blaze codegen library
BLAZE_CANONICALIZER	Boolean	ON	Build the Blaze canonicalizer library
BLAZE_CONVERT	Boolean	ON	Build the Blaze convert library
BLAZE_EDITOR	Boolean	ON	Build the Blaze editor schema compatibility library
BLAZE_DEPENDENCIES	Boolean	ON	Build the Blaze dependencies library
BLAZE_BINPACK	Boolean	ON	Build the Blaze BinPack serialization library
BLAZE_TESTS	Boolean	OFF	Build the Blaze tests
BLAZE_BENCHMARK	Boolean	OFF	Build the Blaze benchmarks
BLAZE_CONTRIB	Boolean	OFF	Build the Blaze contrib programs
BLAZE_DOCS	Boolean	OFF	Build the Blaze docs
BLAZE_INSTALL	Boolean	ON	Install the Blaze library
BLAZE_ADDRESS_SANITIZER	Boolean	OFF	Enable the address sanitizer
BLAZE_UNDEFINED_SANITIZER	Boolean	OFF	Enable the undefined behavior sanitizer

Components

If you install Blaze from source, keep in mind that the project is split into a set of CMake components:

Component	Description
sourcemeta_blaze	The core Blaze libraries
sourcemeta_blaze_dev	The Blaze headers and development files

Contributing

Blaze makes use of the CMake build system. You can configure, build and test the project as follows:

cmake -S . -B ./build \
  -DCMAKE_BUILD_TYPE:STRING=<Debug|Release> \
  -DCMAKE_COMPILE_WARNING_AS_ERROR:BOOL=ON \
  -DBLAZE_DOCS:BOOL=ON \
  -DBLAZE_TESTS:BOOL=ON
# Format the code
cmake --build ./build --config <Debug|Release> --target clang_format
# Build the project
cmake --build ./build --config <Debug|Release>
# Run the test suite
ctest --test-dir ./build --build-config <Debug|Release> --output-on-failure --progress

Or simply run:

# On UNIX-based systems
make
# On Windows
nmake