Function read_data_dependencies

src/resource/data_compiler.cpp:405–456

}

static void read_data_dependencies(DataCompiler &dc
	, FilesystemDisk &data_fs
	, const HashMap<StringId64, DynamicString> &data_index
	, const char *filename
	)
{
	Buffer json(default_allocator());
	File *file = data_fs.open(filename, FileOpenMode::READ);
	if (file->is_open())
		file->read_all(json);
	data_fs.close(*file);

	TempAllocator1024 ta;
	JsonObject obj(ta);
	sjson::parse(obj, json);

	auto cur = json_object::begin(obj);
	auto end = json_object::end(obj);
	for (; cur != end; ++cur) {
		JSON_OBJECT_SKIP_HOLE(obj, cur);

		StringId64 id;
		id.parse(cur->first.data());

		// Skip reading data that belongs to non-existent source file.
		if (!hash_map::has(data_index, id))
			continue;

		JsonArray dependency_array(ta);
		sjson::parse_array(dependency_array, cur->second);
		for (u32 i = 0; i < array::size(dependency_array); ++i) {
			DynamicString path(ta);
			sjson::parse_string(path, dependency_array[i]);
			if (path.has_prefix("//r ")) {
				add_dependency_internal(dc._data_requirements, id, path.c_str() + 4);
			} else if (path.has_prefix("//- ")) {
				add_dependency_internal(dc._data_dependencies, id, path.c_str() + 4);
			} else if (path.has_prefix("//? ")) {
				const char *dependency = path.c_str() + 4;
				u32 flags = DependencyFlags::OPTIONAL;
				if ((dependency[0] == '0' || dependency[0] == '1') && dependency[1] == ' ') {
					if (dependency[0] == '1')
						flags |= DependencyFlags::EXISTS;
					dependency += 2;
				}
				add_dependency_internal(dc._data_dependencies, id, dependency, flags);
			} else { // Assume regular dependency
				add_dependency_internal(dc._data_dependencies, id, path.c_str());
			}
		}
	}
}

static s32 write_data_index(FilesystemDisk &data_fs, const char *filename, const HashMap<StringId64, DynamicString> &index)
{