# Copyrigth (c) 2016 The xterm.js authors. All rights reserved
# Ported to GDScript by the GodotXterm authors.
# License MIT
extends Reference
# The character sets supported by the terminal. These enable several languages
# to be represented within the terminal with only 8-bit encoding. See ISO 2022
# for a discussion on character sets. Only VT100 character sets are supported.

const CHARSETS = {
	# DEC Special Character and Line Drawing Set.
	# Reference: http:#vt100.net/docs/vt102-ug/table5-13.html
	# A lot of curses apps use this if they see TERM=xterm.
	# testing: echo -e "\e(0a\e(B"
	# The xterm output sometimes seems to conflict with the
	# reference above. xterm seems in line with the reference
	# when running vttest however.
	# The table below now uses xterm"s output from vttest.
	"0": {
		"`": "\u25c6", # "◆"
		"a": "\u2592", # "▒"
		"b": "\u2409", # "␉" (HT)
		"c": "\u240c", # "␌" (FF)
		"d": "\u240d", # "␍" (CR)
		"e": "\u240a", # "␊" (LF)
		"f": "\u00b0", # "°"
		"g": "\u00b1", # "±"
		"h": "\u2424", # "␤" (NL)
		"i": "\u240b", # "␋" (VT)
		"j": "\u2518", # "┘"
		"k": "\u2510", # "┐"
		"l": "\u250c", # "┌"
		"m": "\u2514", # "└"
		"n": "\u253c", # "┼"
		"o": "\u23ba", # "⎺"
		"p": "\u23bb", # "⎻"
		"q": "\u2500", # "─"
		"r": "\u23bc", # "⎼"
		"s": "\u23bd", # "⎽"
		"t": "\u251c", # "├"
		"u": "\u2524", # "┤"
		"v": "\u2534", # "┴"
		"w": "\u252c", # "┬"
		"x": "\u2502", # "│"
		"y": "\u2264", # "≤"
		"z": "\u2265", # "≥"
		"{": "\u03c0", # "π"
		"|": "\u2260", # "≠"
		"}": "\u00a3", # "£"
		"~": "\u00b7"  # "·"
	},
	
	# British character set
	# ESC (A
	# Reference: http:#vt100.net/docs/vt220-rm/table2-5.html
	"A": {
		"#": "£"
	},
	
	# United States character set
	# ESC (B
	"B": null,
	
	# Dutch character set
	# ESC (4
	# Reference: http:#vt100.net/docs/vt220-rm/table2-6.html
	"4": {
		"#": "£",
		"@": "¾",
		"[": "ij",
		"\\": "½",
		"]": "|",
		"{": "¨",
		"|": "f",
		"}": "¼",
		"~": "´"
	},
	
	# Finnish character set
	# ESC (C or ESC (5
	# Reference: http:#vt100.net/docs/vt220-rm/table2-7.html
	"C": {
		"[": "Ä",
		"\\": "Ö",
		"]": "Å",
		"^": "Ü",
		"`": "é",
		"{": "ä",
		"|": "ö",
		"}": "å",
		"~": "ü"
	},
	"5": {
		"[": "Ä",
		"\\": "Ö",
		"]": "Å",
		"^": "Ü",
		"`": "é",
		"{": "ä",
		"|": "ö",
		"}": "å",
		"~": "ü"
	},
	
	# French character set
	# ESC (R
	# Reference: http:#vt100.net/docs/vt220-rm/table2-8.html
	"R": {
		"#": "£",
		"@": "à",
		"[": "°",
		"\\": "ç",
		"]": "§",
		"{": "é",
		"|": "ù",
		"}": "è",
		"~": "¨"
	},
	
	# French Canadian character set
	# ESC (Q
	# Reference: http:#vt100.net/docs/vt220-rm/table2-9.html
	"Q": {
		"@": "à",
		"[": "â",
		"\\": "ç",
		"]": "ê",
		"^": "î",
		"`": "ô",
		"{": "é",
		"|": "ù",
		"}": "è",
		"~": "û"
	},
	
	# German character set
	# ESC (K
	# Reference: http:#vt100.net/docs/vt220-rm/table2-10.html
	"K": {
		"@": "§",
		"[": "Ä",
		"\\": "Ö",
		"]": "Ü",
		"{": "ä",
		"|": "ö",
		"}": "ü",
		"~": "ß"
	},
	
	# Italian character set
	# ESC (Y
	# Reference: http:#vt100.net/docs/vt220-rm/table2-11.html
	"Y": {
		"#": "£",
		"@": "§",
		"[": "°",
		"\\": "ç",
		"]": "é",
		"`": "ù",
		"{": "à",
		"|": "ò",
		"}": "è",
		"~": "ì"
	},
	
	# Norwegian/Danish character set
	# ESC (E or ESC (6
	# Reference: http:#vt100.net/docs/vt220-rm/table2-12.html
	"E": {
		"@": "Ä",
		"[": "Æ",
		"\\": "Ø",
		"]": "Å",
		"^": "Ü",
		"`": "ä",
		"{": "æ",
		"|": "ø",
		"}": "å",
		"~": "ü"
	},
	"6": {
		"@": "Ä",
		"[": "Æ",
		"\\": "Ø",
		"]": "Å",
		"^": "Ü",
		"`": "ä",
		"{": "æ",
		"|": "ø",
		"}": "å",
		"~": "ü"
	},
	
	# Spanish character set
	# ESC (Z
	# Reference: http:#vt100.net/docs/vt220-rm/table2-13.html
	"Z": {
		"#": "£",
		"@": "§",
		"[": "¡",
		"\\": "Ñ",
		"]": "¿",
		"{": "°",
		"|": "ñ",
		"}": "ç"
	},
	
	# Swedish character set
	# ESC (H or ESC (7
	# Reference: http:#vt100.net/docs/vt220-rm/table2-14.html
	"H": {
		"@": "É",
		"[": "Ä",
		"\\": "Ö",
		"]": "Å",
		"^": "Ü",
		"`": "é",
		"{": "ä",
		"|": "ö",
		"}": "å",
		"~": "ü"
	},
	"7": {
		"@": "É",
		"[": "Ä",
		"\\": "Ö",
		"]": "Å",
		"^": "Ü",
		"`": "é",
		"{": "ä",
		"|": "ö",
		"}": "å",
		"~": "ü"
	},
	
	# Swiss character set
	# ESC (=
	# Reference: http:#vt100.net/docs/vt220-rm/table2-15.html
	#/
	"=": {
		"#": "ù",
		"@": "à",
		"[": "é",
		"\\": "ç",
		"]": "ê",
		"^": "î",
		"_": "è",
		"`": "ô",
		"{": "ä",
		"|": "ö",
		"}": "ü",
		"~": "û"
	},
}

# The default character set, US.
const DEFAULT_CHARSET = CHARSETS["B"]