Removing flatbuffers dependency

Author: MaciejKaszynski

MODULE.bazel

@@ -25,7 +25,6 @@ bazel_dep(name = "rules_oci", version = "2.3.0")
 bazel_dep(name = "aspect_rules_lint", version = "2.0.0")
 bazel_dep(name = "buildifier_prebuilt", version = "8.2.0.2")
 bazel_dep(name = "platforms", version = "1.0.0")
-bazel_dep(name = "flatbuffers", version = "25.12.19")
 bazel_dep(name = "download_utils", version = "1.2.2")
 bazel_dep(name = "googletest", version = "1.17.0.bcr.2")
 

MODULE.bazel.lock

@@ -0,0 +1,77 @@
+def _flatbuffer_json_to_bin_impl(ctx):
+    flatc = ctx.executable.flatc
+    json = ctx.file.json
+    schema = ctx.file.schema
+
+    # flatc will name the file the same as the json (can't be changed)
+    out_name = json.basename[:-len(".json")] + ".bin"
+    out = ctx.actions.declare_file(out_name, sibling = json)
+
+    # flatc args ---------------------------------
+    flatc_args = [
+        "-b",
+        "-o",
+        out.dirname,
+    ]
+
+    for inc in ctx.attr.includes:
+        flatc_args.extend(["-I", inc.path])
+
+    if ctx.attr.strict_json:
+        flatc_args.append("--strict-json")
+
+    flatc_args.extend([schema.path, json.path])
+    # --------------------------------------------
+
+    ctx.actions.run(
+        inputs = [json, schema] + list(ctx.files.includes),
+        outputs = [out],
+        executable = flatc,
+        arguments = flatc_args,
+        progress_message = "flatc generation {}".format(json.short_path),
+        mnemonic = "FlatcGeneration",
+    )
+
+    rf = ctx.runfiles(
+        files = [out],
+        root_symlinks = {
+            ("_main/" + ctx.attr.out_dir + "/" + out_name): out,
+        },
+    )
+
+    return DefaultInfo(files = depset([out]), runfiles = rf)
+
+flatbuffer_json_to_bin = rule(
+    implementation = _flatbuffer_json_to_bin_impl,
+    attrs = {
+        "json": attr.label(
+            allow_single_file = [".json"],
+            mandatory = True,
+            doc = "Json file to convert. Note that the binary file will have the same name as the json (minus the suffix)",
+        ),
+        "schema": attr.label(
+            allow_single_file = [".fbs"],
+            mandatory = True,
+            doc = "FBS file to use",
+        ),
+        "out_dir": attr.string(
+            default = "etc",
+            doc = "Directory to copy the generated file to, sibling to 'src' and 'tests' dirs. Do not include a trailing '/'",
+        ),
+        "flatc": attr.label(
+            default = Label("@flatbuffers//:flatc"),
+            executable = True,
+            cfg = "exec",
+            doc = "Reference to the flatc binary",
+        ),
+        # flatc arguments
+        "includes": attr.label_list(
+            allow_files = True,
+            doc = "Flatc include paths",
+        ),
+        "strict_json": attr.bool(
+            default = False,
+            doc = "Require strict JSON (no trailing commas etc)",
+        ),
+    },
+)

config/flatbuffers_rules.bzl

@@ -37,13 +37,8 @@ pkg_files(
 
 pkg_files(
     name = "examples_etc_files",
-    srcs = [":examples_test_config"],
-    prefix = "tests/examples",
-)
-
-pkg_files(
-    name = "examples_logging_files",
     srcs = [
+        ":examples_test_config",
         "ecu_logging_config.json",
         "hm_logging.json",
         "logging.json",
@@ -55,7 +50,6 @@ pkg_tar(
     name = "examples_binaries",
     srcs = [
         ":examples_etc_files",
-        ":examples_logging_files",
         ":examples_main_files",
     ],
 )

examples/demo_verification/BUILD

@@ -12,30 +12,6 @@
 # *******************************************************************************
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
-filegroup(
-    name = "am_flatcfg_fbs",
-    srcs = ["config/hm_flatcfg.fbs"],
-    visibility = ["//visibility:public"],
-)
-
-filegroup(
-    name = "am_core_flatcfg_fbs",
-    srcs = ["config/hmcore_flatcfg.fbs"],
-    visibility = ["//visibility:public"],
-)
-
-exports_files(["config/hm_flatcfg.fbs"])
-
-cc_library(
-    name = "config",
-    hdrs = [
-        "config/hm_flatcfg_generated.h",
-        "config/hmcore_flatcfg_generated.h",
-    ],
-    include_prefix = "score/mw/launch_manager/alive_monitor",
-    strip_include_prefix = "/score/launch_manager/daemon/src/alive_monitor",
-    visibility = ["//score/launch_manager/daemon/src/alive_monitor:__subpackages__"],
-)
 
 cc_library(
     name = "alive_monitor_h",

score/launch_manager/daemon/src/alive_monitor/BUILD

@@ -40,6 +40,6 @@ cc_library(
         ":hm_config",
         ":hmcore_config",
     ],
-    strip_include_prefix = ".",
+    include_prefix = "score/mw/launch_manager/alive_monitor/config",
     visibility = ["//visibility:public"],
 )