P23-03: 生活の観察

tests/fixtures/p23-03/diagnostic_stream.gd

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+extends RefCounted
+## Sparse whole typed captures. No acceptance flags and no truncation.
+const Codec := preload("res://tests/fixtures/p08-02/mixed_world.gd")
+var directory: String
+var manifest: FileAccess
+
+func open(path: String) -> bool:
+	directory = path
+	if DirAccess.dir_exists_absolute(path):
+		return false
+	if DirAccess.make_dir_recursive_absolute(path.path_join("objects")) != OK:
+		return false
+	manifest = FileAccess.open(path.path_join("manifest.jsonl"), FileAccess.WRITE)
+	return manifest != null
+
+func object(value: Variant) -> String:
+	var text := JSON.stringify(Codec.new().typed(value)) + "\n"
+	var digest := text.sha256_text()
+	var path := directory.path_join("objects").path_join(digest + ".json")
+	if FileAccess.file_exists(path):
+		return digest if FileAccess.get_sha256(path) == digest else ""
+	var file := FileAccess.open(path, FileAccess.WRITE)
+	if file == null:
+		return ""
+	file.store_string(text)
+	file.close()
+	return digest if FileAccess.get_sha256(path) == digest else ""
+
+func capture(label: String, runtime: Variant, view: WorldPreview) -> bool:
+	if manifest == null:
+		return false
+	var state: Dictionary = runtime.create_snapshot()
+	var report := view.get_life_observation_report()
+	var state_hash := object(state)
+	var report_hash := object(report)
+	if state_hash.is_empty() or report_hash.is_empty():
+		return false
+	manifest.store_line(JSON.stringify({"label": label, "pid": OS.get_process_id(),
+		"ticks_usec": Time.get_ticks_usec(), "state": state_hash, "report": report_hash,
+		"input_method": "diagnostic", "acceptance": "pending"}))
+	manifest.flush()
+	return var_to_bytes(state) == var_to_bytes(runtime.create_snapshot())
+
+func close() -> void:
+	if manifest != null:
+		manifest.close()
+		manifest = null
+
+func record(label: String, value: Dictionary) -> bool:
+	if manifest == null: return false
+	var digest := object(value)
+	if digest.is_empty(): return false
+	manifest.store_line(JSON.stringify({"label": label, "pid": OS.get_process_id(),
+		"ticks_usec": Time.get_ticks_usec(), "object": digest}))
+	manifest.flush()
+	return true