Created Utils

Created Utils static class, for generic support functions

lib/util.gd

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+extends Object
+class_name Util
+
+#region HTML RegEx and UnEscape HTML
+static var _img_re: RegEx = RegEx.create_from_string(r'<img[^>]*src=["\']([^"\']+)["\'][^>]*/?>')
+static var _h2_open_re: RegEx = RegEx.create_from_string(r'<h2[^>]*>')
+static var _p_open_re: RegEx = RegEx.create_from_string(r'<p[^>]*>')
+static var _ul_re: RegEx = RegEx.create_from_string(r'</?ul[^>]*>')
+static var _div_re: RegEx = RegEx.create_from_string(r'</?div[^>]*>')
+static var _any_tag_re: RegEx = RegEx.create_from_string(r'<[^>]*>')
+static var _html_replacements: Dictionary[String, String] = {
+		"&lt;": "<",
+		"&gt;": ">",
+		"&amp;": "&",
+		"&quot;": "\"",
+		"&#39;": "'",
+		"&#x27;": "'",
+		"&#x2F;": "/",
+		"&#96;": "`",
+		"&nbsp;": " ",
+		"&copy;": "©",
+		"&reg;": "®",
+		"&euro;": "€",
+		"&pound;": "£",
+		"&yen;": "¥",
+		"&ndash;": "–",
+		"&mdash;": "—",
+		"&lsquo;": "‘",
+		"&rsquo;": "’",
+		"&ldquo;": "“",
+		"&rdquo;": "”",
+		"&hellip;": "…",
+		"&bull;": "•"
+	}
+#endregion
+
+static func convert_html_to_bbcode(html: String) -> String:
+	# NOTE: Unescape HTML entities
+	var bb = html_unescape(html)
+	
+	# NOTE: Replace <img ... src="..."> with [img]...[/img]
+	bb = _img_re.sub(bb, "[img]$1[/img]", true)
+	
+	# NOTE: Remove <p> tags, convert </p> to newline
+	bb = _h2_open_re.sub(bb, "[b]", true)
+	bb = bb.replace("</h2>", "[/b]\n")
+	
+	# NOTE: List Items: <li> -> •, </li> -> newline
+	bb = bb.replace("<li>", "• ")
+	bb = bb.replace("</li>", "\n")
+	
+	# NOTE: Remove <ul> and </ul>
+	bb = _ul_re.sub(bb, "", true)
+	
+	# NOTE: Remove <div ...> and </div>
+	bb = _div_re.sub(bb, "", true)
+	
+	# NOTE: Remove any remaining tags
+	bb = _any_tag_re.sub(bb, "", true)
+	
+	# NOTE: Trim and normalize spacing
+	bb = bb.strip_edges()
+	bb = bb.replace("\n\n\n", "\n\n")
+	
+	return bb
+
+
+static func html_unescape(text: String) -> String:
+	for key in _html_replacements.keys():
+		text = text.replace(key, _html_replacements[key])
+	return text
+
+static func resize_img_to_max_dim(img: Image, max_dim: int) -> Image:
+	var width: int
+	var height: int
+	var _is_taller: bool = img.get_size().x < img.get_size().y
+	if _is_taller:
+		@warning_ignore("integer_division")
+		width = (max_dim * img.get_size().x) / img.get_size().y
+		height = max_dim
+	else:
+		width = max_dim
+		@warning_ignore("integer_division")
+		height = (max_dim * img.get_size().y) / img.get_size().x
+	
+	var resized_image: Image = img.duplicate()
+	resized_image.resize(width, height)
+	return resized_image
+
+#region Time Parsers
+const WEEKDAYS = ["Sun","Mon","Tue", "Wed", "Thu", "Fri", "Sat"]
+const MONTHS_SHORT = ["Jan","Feb","Mar","Apr","May", "Jun","Jul","Aug","Sep","Oct","Nov","Dec"]
+const FORMAT_STRING_TIME = "%d:%02d:%02d"
+const FORMAT_STRING_DATE = "{day} {month} {year}"
+const FORMAT_STRING_DATE_FILE = "{year}_{month}_{day}"
+const FORMAT_STRING_TIME_FILE = "%d_%02d_%02d"
+
+static func unix_to_string(
+		unix: float,
+		include_weekday := true,
+		include_time := true,
+		dz_enabled := true) -> String:
+	if !unix: return "Never"
+	if dz_enabled:
+		var tz_offset_usec = Time.get_time_zone_from_system().bias * 60
+		unix += tz_offset_usec
+	var dict: Dictionary = Time.get_datetime_dict_from_unix_time(floori(unix))
+	dict.weekday = WEEKDAYS[dict.weekday]
+	dict.month = MONTHS_SHORT[dict.month-1]
+	
+	var format_string: String = FORMAT_STRING_DATE
+	if include_weekday:
+		format_string = "{weekday} " + format_string
+	if include_time:
+		var time_string: String = (FORMAT_STRING_TIME % [dict.hour, dict.minute, dict.second])
+		format_string = format_string + " - " + time_string
+	return format_string.format(dict)
+
+static func unix_to_string_filepath(unix: float, include_time := false) -> String:
+	if !unix: return "Never"
+	
+	var tz_offset_usec = Time.get_time_zone_from_system().bias * 60
+	unix += tz_offset_usec
+	var dict: Dictionary = Time.get_datetime_dict_from_unix_time(floori(unix))
+	dict.weekday = WEEKDAYS[dict.weekday]
+	dict.month = MONTHS_SHORT[dict.month-1]
+	
+	var format_string: String = FORMAT_STRING_DATE_FILE.format(dict)
+	
+	if include_time:
+		var time_string: String = (FORMAT_STRING_TIME_FILE % [dict.hour, dict.minute, dict.second])
+		format_string += "_" + time_string
+	
+	return format_string
+#endregion