Merge pull request #4970 from odin-lang/bill/android-subtarget

Very Very Rudimentary Support for Android

1 files changed, 209 insertions, 0 deletions

diff --git a/src/package_command.cpp b/src/package_command.cpp
new file mode 100644
index 000000000..43db46521
--- /dev/null
+++ b/src/package_command.cpp
@@ -0,0 +1,209 @@
+i32 package_android(String init_directory);
+
+i32 package(String init_directory) {
+	switch (build_context.command_kind) {
+	case Command_package_android:
+		return package_android(init_directory);
+	}
+	gb_printf_err("Unknown odin package <platform>\n");
+	return 1;
+}
+
+
+i32 package_android(String original_init_directory) {
+	TEMPORARY_ALLOCATOR_GUARD();
+
+	i32 result = 0;
+	init_android_values(/*with_sdk*/true);
+
+	bool init_directory_ok = false;
+	String init_directory = path_to_fullpath(temporary_allocator(), original_init_directory, &init_directory_ok);
+	if (!init_directory_ok) {
+		gb_printf_err("Error: '%.*s' is not a valid directory", LIT(original_init_directory));
+		return 1;
+	}
+	init_directory = normalize_path(temporary_allocator(), init_directory, NIX_SEPARATOR_STRING);
+
+	int const ODIN_ANDROID_API_LEVEL = build_context.ODIN_ANDROID_API_LEVEL;
+
+	String android_sdk_build_tools = concatenate3_strings(temporary_allocator(),
+		build_context.ODIN_ANDROID_SDK, str_lit("build-tools"), NIX_SEPARATOR_STRING);
+
+	Array<FileInfo> list = {};
+	ReadDirectoryError rd_err = read_directory(android_sdk_build_tools, &list);
+	defer (array_free(&list));
+
+	switch (rd_err) {
+	case ReadDirectory_InvalidPath:
+		gb_printf_err("Invalid path: %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	case ReadDirectory_NotExists:
+		gb_printf_err("Path does not exist: %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	case ReadDirectory_Permission:
+		gb_printf_err("Unknown error whilst reading path %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	case ReadDirectory_NotDir:
+		gb_printf_err("Expected a directory for a package, got a file: %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	case ReadDirectory_Empty:
+		gb_printf_err("Empty directory: %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	case ReadDirectory_Unknown:
+		gb_printf_err("Unknown error whilst reading path %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	}
+
+	auto possible_valid_dirs = array_make<FileInfo>(heap_allocator(), 0, list.count);
+	defer (array_free(&possible_valid_dirs));
+
+
+	for (FileInfo fi : list) if (fi.is_dir) {
+		bool all_numbers = true;
+		for (isize i = 0; i < fi.name.len; i++) {
+			u8 c = fi.name[i];
+			if ('0' <= c && c <= '9') {
+				// true
+			} else if (i == 0) {
+				all_numbers = false;
+			} else if (c == '.') {
+				break;
+			} else {
+				all_numbers = false;
+			}
+		}
+
+		if (all_numbers) {
+			array_add(&possible_valid_dirs, fi);
+		}
+	}
+
+	if (possible_valid_dirs.count == 0) {
+		gb_printf_err("Unable to find any Android SDK/API Level in %.*s\n", LIT(android_sdk_build_tools));
+		return 1;
+	}
+
+	int *dir_numbers = gb_alloc_array(temporary_allocator(), int, possible_valid_dirs.count);
+
+	char buf[1024] = {};
+	for_array(i, possible_valid_dirs) {
+		FileInfo fi = possible_valid_dirs[i];
+		isize n = gb_min(gb_size_of(buf)-1, fi.name.len);
+		memcpy(buf, fi.name.text, n);
+		buf[n] = 0;
+
+		dir_numbers[i] = atoi(buf);
+	}
+
+	isize closest_number_idx = -1;
+	for (isize i = 0; i < possible_valid_dirs.count; i++) {
+		if (dir_numbers[i] >= ODIN_ANDROID_API_LEVEL) {
+			if (closest_number_idx < 0) {
+				closest_number_idx = i;
+			} else if (dir_numbers[i] < dir_numbers[closest_number_idx]) {
+				closest_number_idx = i;
+			}
+		}
+	}
+
+	if (closest_number_idx < 0) {
+		gb_printf_err("Unable to find any Android SDK/API Level in %.*s meeting the minimum API level of %d\n", LIT(android_sdk_build_tools), ODIN_ANDROID_API_LEVEL);
+		return 1;
+	}
+
+	String api_number = possible_valid_dirs[closest_number_idx].name;
+
+	android_sdk_build_tools = concatenate_strings(temporary_allocator(), android_sdk_build_tools, api_number);
+	String android_sdk_platforms = concatenate_strings(temporary_allocator(),
+		build_context.ODIN_ANDROID_SDK,
+		make_string_c(gb_bprintf("platforms/android-%d/", dir_numbers[closest_number_idx]))
+	);
+
+	android_sdk_build_tools = normalize_path(temporary_allocator(), android_sdk_build_tools, NIX_SEPARATOR_STRING);
+	android_sdk_platforms   = normalize_path(temporary_allocator(), android_sdk_platforms,   NIX_SEPARATOR_STRING);
+
+	gbString cmd = gb_string_make(heap_allocator(), "");
+	defer (gb_string_free(cmd));
+
+
+	String current_directory = normalize_path(temporary_allocator(), get_working_directory(temporary_allocator()), NIX_SEPARATOR_STRING);
+	defer (set_working_directory(current_directory));
+
+	if (current_directory.len != 0) {
+		bool ok = set_working_directory(init_directory);
+		if (!ok) {
+			gb_printf_err("Error: Unable to currectly set the current working directory to '%.*s'\n", LIT(init_directory));
+		}
+	}
+
+	String output_filename = str_lit("test");
+	String output_apk = path_remove_extension(output_filename);
+
+	TIME_SECTION("Android aapt");
+	{
+		TEMPORARY_ALLOCATOR_GUARD();
+		gb_string_clear(cmd);
+
+		String manifest = {};
+		if (build_context.android_manifest.len != 0) {
+			manifest = concatenate_strings(temporary_allocator(), current_directory, build_context.android_manifest);
+		} else {
+			manifest = concatenate_strings(temporary_allocator(), init_directory, str_lit("AndroidManifest.xml"));
+		}
+
+		cmd = gb_string_append_length(cmd, android_sdk_build_tools.text, android_sdk_build_tools.len);
+		cmd = gb_string_appendc(cmd, "aapt");
+		cmd = gb_string_appendc(cmd, " package -f");
+		if (manifest.len != 0) {
+			cmd = gb_string_append_fmt(cmd, " -M \"%.*s\"", LIT(manifest));
+		}
+		cmd = gb_string_append_fmt(cmd, " -I \"%.*sandroid.jar\"", LIT(android_sdk_platforms));
+		cmd = gb_string_append_fmt(cmd, " -F \"%.*s.apk-build\"", LIT(output_apk));
+
+		result = system_exec_command_line_app("android-aapt", cmd);
+		if (result) {
+			return result;
+		}
+	}
+
+	TIME_SECTION("Android jarsigner");
+	{
+		TEMPORARY_ALLOCATOR_GUARD();
+		gb_string_clear(cmd);
+
+		cmd = gb_string_append_length(cmd, build_context.ODIN_ANDROID_JAR_SIGNER.text, build_context.ODIN_ANDROID_JAR_SIGNER.len);
+		cmd = gb_string_append_fmt(cmd, " -storepass android");
+		if (build_context.android_keystore.len != 0) {
+			String keystore = concatenate_strings(temporary_allocator(), current_directory, build_context.android_keystore);
+			cmd = gb_string_append_fmt(cmd, " -keystore \"%.*s\"", LIT(keystore));
+		}
+		cmd = gb_string_append_fmt(cmd, " \"%.*s.apk-build\"", LIT(output_apk));
+		if (build_context.android_keystore_alias.len != 0) {
+			String keystore_alias = build_context.android_keystore_alias;
+			cmd = gb_string_append_fmt(cmd, " \"%.*s\"", LIT(keystore_alias));
+		}
+
+		result = system_exec_command_line_app("android-jarsigner", cmd);
+		if (result) {
+			return result;
+		}
+	}
+
+	TIME_SECTION("Android zipalign");
+	{
+		TEMPORARY_ALLOCATOR_GUARD();
+		gb_string_clear(cmd);
+
+		cmd = gb_string_append_length(cmd, android_sdk_build_tools.text, android_sdk_build_tools.len);
+		cmd = gb_string_appendc(cmd, "zipalign");
+		cmd = gb_string_appendc(cmd, " -f 4");
+		cmd = gb_string_append_fmt(cmd, " \"%.*s.apk-build\" \"%.*s.apk\"", LIT(output_apk), LIT(output_apk));
+
+		result = system_exec_command_line_app("android-zipalign", cmd);
+		if (result) {
+			return result;
+		}
+	}
+
+	return 0;
+}