crumbs API
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257
flumi/Scripts/Utils/Lua/Crumbs.gd
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257
flumi/Scripts/Utils/Lua/Crumbs.gd
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@@ -0,0 +1,257 @@
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class_name LuaCrumbsUtils
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extends RefCounted
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const CRUMBS_DIR_PATH = "user://crumbs/"
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class Crumb:
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var name: String
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var value: String
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var created_at: float
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var lifespan: float = -1.0 # -1 = no expiry, otherwise lifespan in seconds
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func _init(n: String, v: String, lifetime: float = -1.0):
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name = n
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value = v
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created_at = Time.get_unix_time_from_system()
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lifespan = lifetime
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func is_expired() -> bool:
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if lifespan < 0:
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return false
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var current_time = Time.get_unix_time_from_system()
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return current_time > (created_at + lifespan)
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func get_expiry_time() -> float:
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if lifespan < 0:
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return -1.0
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return created_at + lifespan
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func to_dict() -> Dictionary:
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return {
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"name": name,
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"value": value,
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"created_at": created_at,
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"lifespan": lifespan
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}
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static func from_dict(data: Dictionary) -> Crumb:
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var crumb = Crumb.new(data.get("name", ""), data.get("value", ""))
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crumb.created_at = data.get("created_at", Time.get_unix_time_from_system())
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crumb.lifespan = data.get("lifespan", -1.0)
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return crumb
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static func setup_crumbs_api(vm: LuauVM):
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# Ensure crumbs directory exists
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if not DirAccess.dir_exists_absolute(CRUMBS_DIR_PATH):
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DirAccess.make_dir_recursive_absolute(CRUMBS_DIR_PATH)
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vm.lua_newtable()
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vm.lua_pushcallable(_crumbs_set_handler, "gurt.crumbs.set")
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vm.lua_setfield(-2, "set")
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vm.lua_pushcallable(_crumbs_get_handler, "gurt.crumbs.get")
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vm.lua_setfield(-2, "get")
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vm.lua_pushcallable(_crumbs_delete_handler, "gurt.crumbs.delete")
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vm.lua_setfield(-2, "delete")
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vm.lua_pushcallable(_crumbs_get_all_handler, "gurt.crumbs.getAll")
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vm.lua_setfield(-2, "getAll")
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vm.lua_getglobal("gurt")
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if vm.lua_isnil(-1):
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vm.lua_pop(1)
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vm.lua_newtable()
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vm.lua_setglobal("gurt")
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vm.lua_getglobal("gurt")
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vm.lua_pushvalue(-2)
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vm.lua_setfield(-2, "crumbs")
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vm.lua_pop(2)
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static func get_current_domain() -> String:
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var main_node = Engine.get_main_loop().current_scene
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if main_node and main_node.has_method("get_current_url"):
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var current_url = main_node.get_current_url()
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return sanitize_domain_for_filename(current_url)
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return "default"
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static func sanitize_domain_for_filename(domain: String) -> String:
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# Remove protocol prefix
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if domain.begins_with("gurt://"):
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domain = domain.substr(7)
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elif domain.contains("://"):
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var parts = domain.split("://")
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if parts.size() > 1:
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domain = parts[1]
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# Extract only the domain part (remove path)
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if domain.contains("/"):
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domain = domain.split("/")[0]
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# Replace invalid filename characters (mainly colons for ports)
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domain = domain.replace(":", "_")
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domain = domain.replace("\\", "_")
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domain = domain.replace("*", "_")
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domain = domain.replace("?", "_")
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domain = domain.replace("\"", "_")
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domain = domain.replace("<", "_")
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domain = domain.replace(">", "_")
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domain = domain.replace("|", "_")
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# Ensure it's not empty
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if domain.is_empty():
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domain = "default"
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return domain
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static func get_domain_file_path(domain: String) -> String:
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return CRUMBS_DIR_PATH + domain + ".json"
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static func _crumbs_set_handler(vm: LuauVM) -> int:
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vm.luaL_checktype(1, vm.LUA_TTABLE)
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vm.lua_getfield(1, "name")
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if vm.lua_isnil(-1):
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vm.luaL_error("crumb 'name' field is required")
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return 0
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var name: String = vm.lua_tostring(-1)
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vm.lua_pop(1)
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vm.lua_getfield(1, "value")
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if vm.lua_isnil(-1):
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vm.luaL_error("crumb 'value' field is required")
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return 0
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var value: String = vm.lua_tostring(-1)
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vm.lua_pop(1)
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var lifetime: float = -1.0
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vm.lua_getfield(1, "lifetime")
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if not vm.lua_isnil(-1):
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lifetime = vm.lua_tonumber(-1)
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vm.lua_pop(1)
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var domain = get_current_domain()
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var crumb = Crumb.new(name, value, lifetime)
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save_crumb(domain, crumb)
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return 0
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static func _crumbs_get_handler(vm: LuauVM) -> int:
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var name: String = vm.luaL_checkstring(1)
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var domain = get_current_domain()
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var crumb = load_crumb(domain, name)
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if crumb and not crumb.is_expired():
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vm.lua_pushstring(crumb.value)
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else:
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vm.lua_pushnil()
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return 1
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static func _crumbs_delete_handler(vm: LuauVM) -> int:
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var name: String = vm.luaL_checkstring(1)
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var domain = get_current_domain()
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var existed = delete_crumb(domain, name)
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vm.lua_pushboolean(existed)
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return 1
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static func _crumbs_get_all_handler(vm: LuauVM) -> int:
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var domain = get_current_domain()
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var all_crumbs = load_all_crumbs(domain)
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vm.lua_newtable()
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for crumb_name in all_crumbs:
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var crumb = all_crumbs[crumb_name]
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if not crumb.is_expired():
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vm.lua_newtable()
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vm.lua_pushstring(crumb.name)
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vm.lua_setfield(-2, "name")
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vm.lua_pushstring(crumb.value)
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vm.lua_setfield(-2, "value")
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# Include expiry time if it exists (but not created_at)
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var expiry_time = crumb.get_expiry_time()
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if expiry_time > 0:
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vm.lua_pushnumber(expiry_time)
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vm.lua_setfield(-2, "expiry")
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vm.lua_setfield(-2, crumb_name)
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return 1
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static func load_all_crumbs(domain: String) -> Dictionary:
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var file_path = get_domain_file_path(domain)
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if not FileAccess.file_exists(file_path):
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return {}
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var file = FileAccess.open(file_path, FileAccess.READ)
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if not file:
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return {}
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var json_string = file.get_as_text()
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file.close()
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var json = JSON.new()
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var parse_result = json.parse(json_string)
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if parse_result != OK:
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return {}
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var crumbs_data = json.data
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if not crumbs_data is Dictionary:
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return {}
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var crumbs = {}
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var current_time = Time.get_ticks_msec() / 1000.0
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var changed = false
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for crumb_name in crumbs_data:
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var crumb_dict = crumbs_data[crumb_name]
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if crumb_dict is Dictionary:
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var crumb = Crumb.from_dict(crumb_dict)
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if crumb.is_expired():
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changed = true
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else:
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crumbs[crumb_name] = crumb
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# Save back if we removed expired crumbs
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if changed:
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save_all_crumbs(domain, crumbs)
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return crumbs
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static func save_all_crumbs(domain: String, crumbs: Dictionary):
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var crumbs_data = {}
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for crumb_name in crumbs:
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var crumb = crumbs[crumb_name]
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crumbs_data[crumb_name] = crumb.to_dict()
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var file_path = get_domain_file_path(domain)
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var file = FileAccess.open(file_path, FileAccess.WRITE)
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if not file:
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push_error("Failed to open crumbs file for writing: " + file_path)
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return
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var json_string = JSON.stringify(crumbs_data)
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file.store_string(json_string)
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file.close()
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static func load_crumb(domain: String, name: String) -> Crumb:
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var all_crumbs = load_all_crumbs(domain)
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return all_crumbs.get(name, null)
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static func save_crumb(domain: String, crumb: Crumb):
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var all_crumbs = load_all_crumbs(domain)
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all_crumbs[crumb.name] = crumb
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save_all_crumbs(domain, all_crumbs)
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static func delete_crumb(domain: String, name: String) -> bool:
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var all_crumbs = load_all_crumbs(domain)
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var existed = all_crumbs.has(name)
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if existed:
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all_crumbs.erase(name)
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save_all_crumbs(domain, all_crumbs)
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return existed
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1
flumi/Scripts/Utils/Lua/Crumbs.gd.uid
Normal file
1
flumi/Scripts/Utils/Lua/Crumbs.gd.uid
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@@ -0,0 +1 @@
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uid://bf63lfs770plv
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@@ -120,9 +120,8 @@ static func handle_element_append(operation: Dictionary, dom_parser: HTMLParser,
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# Handle visual rendering if parent is already rendered
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var parent_dom_node: Node = null
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if parent_id == "body":
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var main_scene = lua_api.get_node("/root/Main")
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if main_scene:
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parent_dom_node = main_scene.website_container
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var main_scene = Engine.get_main_loop().current_scene
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parent_dom_node = main_scene.website_container
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else:
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parent_dom_node = dom_parser.parse_result.dom_nodes.get(parent_id, null)
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@@ -184,7 +183,7 @@ static func handle_insert_before(operation: Dictionary, dom_parser: HTMLParser,
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# Handle visual rendering
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var parent_dom_node: Node = null
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if parent_id == "body":
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var main_scene = lua_api.get_node("/root/Main")
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var main_scene = Engine.get_main_loop().current_scene
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if main_scene:
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parent_dom_node = main_scene.website_container
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else:
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@@ -223,7 +222,7 @@ static func handle_insert_after(operation: Dictionary, dom_parser: HTMLParser, l
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# Handle visual rendering
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var parent_dom_node: Node = null
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if parent_id == "body":
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var main_scene = lua_api.get_node("/root/Main")
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var main_scene = Engine.get_main_loop().current_scene
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if main_scene:
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parent_dom_node = main_scene.website_container
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else:
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@@ -265,7 +264,7 @@ static func handle_replace_child(operation: Dictionary, dom_parser: HTMLParser,
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static func render_new_element(element: HTMLParser.HTMLElement, parent_node: Node, dom_parser: HTMLParser, lua_api) -> void:
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# Get reference to main scene for rendering
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var main_scene = lua_api.get_node("/root/Main")
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var main_scene = Engine.get_main_loop().current_scene
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if not main_scene:
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return
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@@ -318,7 +317,7 @@ static func clone_element(element: HTMLParser.HTMLElement, deep: bool) -> HTMLPa
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static func handle_visual_insertion_by_reference(parent_element_id: String, new_child_element: HTMLParser.HTMLElement, reference_element_id: String, insert_before: bool, dom_parser: HTMLParser, lua_api) -> void:
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var parent_dom_node: Node = null
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if parent_element_id == "body":
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var main_scene = lua_api.get_node("/root/Main")
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var main_scene = Engine.get_main_loop().current_scene
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if main_scene:
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parent_dom_node = main_scene.website_container
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else:
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@@ -344,6 +344,7 @@ func _setup_additional_lua_apis():
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LuaJSONUtils.setup_json_api(lua_vm)
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LuaWebSocketUtils.setup_websocket_api(lua_vm)
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LuaAudioUtils.setup_audio_api(lua_vm)
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LuaCrumbsUtils.setup_crumbs_api(lua_vm)
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func _table_tostring_handler(vm: LuauVM) -> int:
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vm.luaL_checktype(1, vm.LUA_TTABLE)
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