rearrange scripts in folders
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Face
189
flumi/Scripts/Browser/LuaSyntaxHighlighter.gd
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189
flumi/Scripts/Browser/LuaSyntaxHighlighter.gd
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@tool
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class_name LuaSyntaxHighlighter
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extends SyntaxHighlighter
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@export_group("Colors")
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@export var font_color: Color = Color.from_string("#d4d4d4", Color.WHITE)
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@export var keyword_color: Color = Color.from_string("#c586c0", Color.WHITE)
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@export var gurt_globals_color: Color = Color.from_string("#569cd6", Color.WHITE)
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@export var function_color: Color = Color.from_string("#dcdcaa", Color.WHITE)
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@export var member_color: Color = Color.from_string("#9cdcfe", Color.WHITE)
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@export var number_color: Color = Color.from_string("#b5cea8", Color.WHITE)
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@export var string_color: Color = Color.from_string("#ce9178", Color.WHITE)
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@export var comment_color: Color = Color.from_string("#6a9955", Color.WHITE)
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@export var symbol_color: Color = Color.from_string("#c586c0", Color.WHITE)
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enum State { DEFAULT, IN_MULTILINE_COMMENT, IN_MULTILINE_STRING }
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var _state_cache: Dictionary = {}
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var _keywords: Dictionary = {}
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var _built_in_functions: Dictionary = {}
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var _gurt_globals: Dictionary = {}
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var _member_keywords: Dictionary = {}
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func _init() -> void:
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for k in ["and", "break", "do", "else", "elseif", "end", "false", "for", "function", "if", "in", "local", "nil", "not", "or", "repeat", "return", "then", "true", "until", "while"]:
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_keywords[k] = true
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for f in ["assert", "collectgarbage", "dofile", "error", "getmetatable", "ipairs", "load", "loadfile", "next", "pairs", "pcall", "print", "rawequal", "rawget", "rawlen", "rawset", "require", "select", "setmetatable", "tonumber", "tostring", "type", "xpcall"]:
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_built_in_functions[f] = true
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for g in ["gurt", "trace", "JSON", "Time", "WebSocket", "Clipboard", "Regex", "setTimeout", "setInterval", "clearTimeout", "clearInterval", "fetch", "urlEncode", "urlDecode"]:
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_gurt_globals[g] = true
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var members = [
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"select", "selectAll", "create", "body", "location", "href", "reload", "goto", "query", "get", "has", "getAll",
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"log", "warn", "error", "text", "value", "visible", "children", "parent", "nextSibling", "previousSibling",
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"firstChild", "lastChild", "classList", "on", "append", "remove", "insertBefore", "insertAfter", "replace",
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"clone", "getAttribute", "setAttribute", "show", "hide", "focus", "unfocus", "createTween", "unsubscribe",
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"add", "remove", "toggle", "contains", "item", "length", "to", "duration", "easing", "transition", "play",
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"pause", "stop", "currentTime", "volume", "loop", "src", "playing", "paused", "withContext", "fillRect",
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"strokeRect", "clearRect", "drawCircle", "drawText", "setFont", "measureText", "beginPath", "moveTo",
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"lineTo", "closePath", "stroke", "fill", "arc", "quadraticCurveTo", "bezierCurveTo", "setStrokeStyle",
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"setFillStyle", "setLineWidth", "save", "translate", "rotate", "scale", "restore", "source", "ok", "json",
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"status", "statusText", "headers", "stringify", "parse", "now", "format", "date", "sleep", "benchmark",
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"timer", "delay", "elapsed", "reset", "complete", "remaining", "new", "send", "close", "readyState",
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"test", "match", "tostring", "replace", "replaceAll", "trim",
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]
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for m in members:
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_member_keywords[m] = true
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func _is_whitespace(ch: String) -> bool:
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return ch == " " or ch == "\t"
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func _clear_highlighting_cache():
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_state_cache.clear()
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func _get_initial_state() -> int:
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return State.DEFAULT
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func _get_line_state(p_line: int, p_state: int) -> int:
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var current_state: int = p_state
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var line_text: String = get_text_edit().get_line(p_line)
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var line_len: int = line_text.length()
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var i := 0
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while i < line_len:
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if current_state == State.DEFAULT:
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if i + 3 < line_len and line_text.substr(i, 4) == "--[[":
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current_state = State.IN_MULTILINE_COMMENT
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i += 4
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continue
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if i + 1 < line_len and line_text.substr(i, 2) == "[[":
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current_state = State.IN_MULTILINE_STRING
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i += 2
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continue
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if line_text[i] == "'" or line_text[i] == "\"":
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var quote = line_text[i]
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i += 1
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while i < line_len:
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if line_text[i] == "\\": i += 2; continue
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if line_text[i] == quote: break
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i += 1
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else:
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var end_idx = line_text.find("]]", i)
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if end_idx != -1:
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current_state = State.DEFAULT
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i = end_idx + 2
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continue
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else:
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i = line_len
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i += 1
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_state_cache[p_line] = current_state
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return current_state
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func _get_line_syntax_highlighting(p_line: int) -> Dictionary:
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var color_map := {}
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var start_state: int = _state_cache.get(p_line - 1, _get_initial_state())
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var line_text: String = get_text_edit().get_line(p_line)
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var line_len: int = line_text.length()
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color_map[0] = {"color": font_color}
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var i := 0
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if start_state != State.DEFAULT:
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var end_idx = line_text.find("]]")
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var region_color = comment_color if start_state == State.IN_MULTILINE_COMMENT else string_color
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color_map[0] = {"color": region_color}
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if end_idx == -1:
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return color_map
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else:
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i = end_idx + 2
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if i < line_len:
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color_map[i] = {"color": font_color}
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start_state = State.DEFAULT
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while i < line_len:
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var start_col: int = i
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var current_char: String = line_text[i]
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if current_char == "-" and i + 1 < line_len and line_text[i+1] == "-":
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if not (i + 3 < line_len and line_text.substr(i, 4) == "--[["):
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color_map[i] = {"color": comment_color}
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return color_map
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if current_char == "\"" or current_char == "'":
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var quote = current_char
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var string_start = i
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i += 1
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while i < line_len:
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if line_text[i] == "\\": i += 2; continue
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if line_text[i] == quote: i += 1; break
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i += 1
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var string_end = i
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color_map[string_start] = {"color": string_color}
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if string_end < line_len:
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color_map[string_end] = {"color": font_color}
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continue
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if current_char.is_valid_int() or (current_char == "." and i + 1 < line_len and line_text[i+1].is_valid_int()):
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var is_hex = false
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if current_char == "0" and i + 1 < line_len and line_text[i+1].to_lower() == "x":
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i += 2; is_hex = true
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while i < line_len:
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var ch = line_text[i]
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if (is_hex and ch.is_valid_hex_number(false)) or \
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(not is_hex and (ch.is_valid_int() or ch in "Ee.-+")):
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i += 1
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else:
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break
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var number_end = i
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color_map[start_col] = {"color": number_color}
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if number_end < line_len:
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color_map[number_end] = {"color": font_color}
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continue
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if current_char.is_valid_identifier() and not current_char.is_valid_int():
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while i < line_len and line_text[i].is_valid_identifier():
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i += 1
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var word = line_text.substr(start_col, i - start_col)
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var color = font_color
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if _keywords.has(word): color = keyword_color
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elif _gurt_globals.has(word): color = gurt_globals_color
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elif _built_in_functions.has(word): color = function_color
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else:
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var prev_char_idx = start_col - 1
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while prev_char_idx >= 0 and _is_whitespace(line_text[prev_char_idx]):
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prev_char_idx -= 1
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var next_char_idx = i
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while next_char_idx < line_len and _is_whitespace(line_text[next_char_idx]):
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next_char_idx += 1
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var is_member = prev_char_idx >= 0 and line_text[prev_char_idx] in [".", ":"]
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var is_function_call = next_char_idx < line_len and line_text[next_char_idx] == "("
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if is_member and _member_keywords.has(word): color = member_color
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elif is_function_call: color = function_color
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if color != font_color: color_map[start_col] = {"color": color}
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continue
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if not _is_whitespace(current_char):
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color_map[i] = {"color": symbol_color}
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if i + 1 < line_len:
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color_map[i + 1] = {"color": font_color}
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i += 1
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return color_map
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