refactor! Lots of breaking changes to the codebase.

feat: Rename ‘btb‘ to ‘nebuild‘ to match nekernel.org's naming scheme.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/dev/src/JSONManifestBuilder.cc b/dev/src/JSONManifestBuilder.cc
new file mode 100644
index 0000000..e93bcb7
--- /dev/null
+++ b/dev/src/JSONManifestBuilder.cc
@@ -0,0 +1,153 @@
+// ============================================================= //
+// nebuild
+// Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+// ============================================================= //
+
+#include <BuildKit/JSONManifestBuilder.h>
+
+using String = std::string;
+using JSON   = nlohmann::json;
+
+namespace FS = std::filesystem;
+
+using namespace BTB;
+
+/// @brief Builds a JSON target from a JSON file.
+/// @param arg_sz filename size (must be 1 or greater).
+/// @param arg_val filename path (must be a valid JSON file).
+/// @retval true building has succeeded.
+/// @retval false fail to build, see error message.
+bool JSONManifestBuilder::buildTarget(int arg_sz, const char* arg_val, const bool dry_run) {
+  String path;
+
+  if (!arg_val || arg_sz < 0) {
+    BTB::Logger::info() << "nebuild: error: file path is empty" << std::endl;
+    return false;
+  } else {
+    path += arg_val;
+
+    if (!FS::exists(path)) {
+      BTB::Logger::info() << "nebuild: error: file '" << path << "' does not exist" << std::endl;
+      return false;
+    }
+  }
+
+  try {
+    std::ifstream json(path);
+
+    if (!json.good()) {
+      BTB::Logger::info() << "nebuild: error: file '" << path << "' is not a valid JSON" << std::endl;
+      return false;
+    }
+
+    JSON json_obj = JSON::parse(json);
+
+    String compiler = json_obj["compiler_path"].get<String>();
+
+    JSON header_search_path = json_obj["headers_path"];
+    JSON sources_files      = json_obj["sources_path"];
+
+    String command = compiler + " ";
+
+    for (auto& sources : sources_files) {
+      command += sources.get<String>() + " ";
+    }
+
+    for (auto& headers : header_search_path) {
+      command += "-I" + headers.get<String>() + " ";
+    }
+
+    JSON macros_list = json_obj["cpp_macros"];
+
+    for (auto& macro : macros_list) {
+      command += "-D" + macro.get<String>() + " ";
+    }
+
+    JSON compiler_flags = json_obj["compiler_flags"];
+
+    for (auto& flag : compiler_flags) {
+      command += flag.get<String>() + " ";
+    }
+
+    if (json_obj["compiler_std"].is_string())
+      command += "-std=" + json_obj["compiler_std"].get<String>() + " ";
+
+    command += "-o " + json_obj["output_name"].get<String>();
+
+    auto target = json_obj["output_name"].get<String>();
+
+    BTB::Logger::info() << "output path: " << target << "\n";
+    BTB::Logger::info() << "command: " << command << "\n";
+
+    try {
+      if (json_obj["dry_run"].get<bool>()) return true;
+    } catch (...) {
+    }
+
+    if (dry_run) {
+      return true;
+    }
+
+    auto ret_exec = std::system(command.c_str());
+
+    if (ret_exec > 0) {
+      BTB::Logger::info() << "error: exit with message: " << std::strerror(ret_exec) << "" << std::endl;
+      return false;
+    }
+
+    try {
+      if (json_obj["run_after_build"].get<bool>()) {
+        if (target.ends_with(".so")) {
+          BTB::Logger::info() << "error: can't open dynamic library, it mayn't have an entrypoint"
+                              << std::endl;
+
+          return true;
+        } else if (target.ends_with(".dylib") || target.ends_with(".dll")) {
+          std::ifstream     file = std::ifstream(target);
+          std::stringstream ss;
+
+          ss << file.rdbuf();
+
+          if (ss.str()[0] == 'O' && ss.str()[1] == 'p' && ss.str()[2] == 'e' && ss.str()[3] == 'n')
+            BTB::Logger::info()
+                << "error: can't open PEF dynamic library, it mayn't contain an entrypoint"
+                << std::endl;
+          else if (ss.str()[0] == 'n' && ss.str()[1] == 'e' && ss.str()[2] == 'p' &&
+                   ss.str()[3] == 'O')
+            BTB::Logger::info()
+                << "error: can't open FEP dynamic library, it mayn't contain an entrypoint"
+                << std::endl;
+          else if (ss.str()[0] == 'M' && ss.str()[1] == 'Z')
+            BTB::Logger::info()
+                << "error: can't open MZ dynamic library, it mayn't contain an entrypoint"
+                << std::endl;
+          else if (ss.str()[0] == 0x7F && ss.str()[1] == 'E') {
+            BTB::Logger::info()
+                << "error: can't open ELF dynamic library, it mayn't contain an entrypoint"
+                << std::endl;
+          }
+
+          return true;
+        }
+
+#if defined(BTB_WINDOWS)
+        std::system((".\\" + target).c_str());
+#else
+        std::system(("./" + target).c_str());
+#endif
+      }
+    } catch (...) {
+      return true;
+    }
+  } catch (std::runtime_error& err) {
+    BTB::Logger::info() << "error: " << err.what() << std::endl;
+
+    return false;
+  }
+
+  return true;
+}
+
+const char* JSONManifestBuilder::buildSystem() {
+  return "json";
+}