Switched away from CBindings to use statically generated wrapper via clang.jl

Author: vfonov

Project.toml

@@ -1,10 +1,10 @@
 name = "Minc2"
 uuid = "8e6f2f06-34e2-40fe-8437-e396464d2a7f"
-version = "0.1.9"
+version = "0.2.0"
 authors = ["Vladimir S. FONOV <vladimir.fonov@gmail.com>"]
 
 [deps]
-CBinding = "d43a6710-96b8-4a2d-833c-c424785e5374"
+CEnum = "fa961155-64e5-5f13-b03f-caf6b980ea82"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Interpolations = "a98d9a8b-a2ab-59e6-89dd-64a1c18fca59"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -16,7 +16,7 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 libminc_jll = "dce2f2bf-0ed4-5a0e-8af7-a90b827a9344"
 
 [compat]
-CBinding = "1"
+CEnum = "0.5.0"
 Interpolations = "0.14, 0.15, 0.16"
 NIfTI = "0.6"
 Requires = "1"

gen/Project.toml

@@ -0,0 +1,3 @@
+[deps]
+Clang = "40e3b903-d033-50b4-a0cc-940c62c95e31"
+libminc_jll = "dce2f2bf-0ed4-5a0e-8af7-a90b827a9344"

gen/generator.jl

@@ -0,0 +1,26 @@
+using Clang.Generators
+using libminc_jll
+using Pkg
+
+cd(@__DIR__)
+
+# Get include directory from jll
+include_dir = joinpath(libminc_jll.artifact_dir, "include")
+
+# Generator options
+options = load_options(joinpath(@__DIR__, "generator.toml"))
+
+# Compiler args (include paths)
+args = get_default_args()
+push!(args, "-I$include_dir")
+
+# The header file to parse
+headers = [joinpath(include_dir, "minc2-simple.h")]
+
+# Create and run generator
+@info "Generating bindings for minc2-simple..."
+ctx = create_context(headers, args, options)
+
+# Write output to ../src/LibMinc2Simple.jl
+build!(ctx)
+

gen/generator.toml

@@ -0,0 +1,44 @@
+[library]
+name = "LibMinc2Simple"
+output_base = "../src/LibMinc2Simple"
+prologue_file_path = ""
+
+[codegen]
+use_julia_native_enum = true
+use_ccall_macro = false
+markdown_output = "index.md"
+
+# How to handle opaque pointers (void*)
+# "cvoid" maps to `Ptr{Cvoid}`, which is standard.opaque_func_arg_as_ptr = true
+opaque_func_arg_as_ptr = true
+
+# If true, C enums are mapped to Julia @enum. 
+# If false, they are mapped to Cint constants (which is often easier for bitwise flags).
+use_deterministic_symbol = true
+
+
+[general]
+# The name of the module to generate
+module_name = "LibMinc"
+
+# The name of the JLL package that provides the shared library
+jll_pkg_name = "libminc_jll"
+
+# The specific library constant to export from the JLL. 
+library_name = "libminc2_simple" 
+
+# Output file for the generated code
+output_file_path = "../src/LibMinc.jl"
+
+# Common prefixes to export automatically
+# This prevents polluting the namespace with internal C symbols
+export_symbol_prefixes = ["minc2_", "MINC2_", "miget_", "miset_"]
+
+# Optional: Generate strictly typed functions (default is false, which uses Any for some pointers)
+# true is generally better for performance/safety but requires cleaner headers.
+is_function_strictly_typed = true
+
+
+# Optional: Map C booleans to Julia Bool
+use_julia_bool = true
+