2020-05-09 19:07:31 +02:00
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# Copyright (c) 2019 The xterm.js authors. All rights reserved.
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2020-05-10 18:05:31 +02:00
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# Ported to GDScript by the GodotXterm authors.
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2020-05-09 19:07:31 +02:00
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# License MIT
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extends Reference
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# Psuedo-character placeholder for non-ascii characters (unicode).
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const NON_ASCII_PRINTABLE = 0xa0
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# Payload limit for OSC and DCS.
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const PAYLOAD_LIMIT = 10000000
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# Internal states of EscapeSequenceParser.
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enum ParserState {
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GROUND
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ESCAPE
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ESCAPE_INTERMEDIATE
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CSI_ENTRY
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CSI_PARAM
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CSI_INTERMEDIATE
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CSI_IGNORE
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SOS_PM_APC_STRING
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OSC_STRING
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DCS_ENTRY
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DCS_PARAM
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DCS_IGNORE
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DCS_INTERMEDIATE
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DCS_PASSTHROUGH
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}
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# Internal actions of EscapeSequenceParser.
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enum ParserAction {
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IGNORE
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ERROR
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PRINT
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EXECUTE
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OSC_START
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OSC_PUT
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OSC_END
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CSI_DISPATCH
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PARAM
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COLLECT
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ESC_DISPATCH
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CLEAR
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DCS_HOOK
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DCS_PUT
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DCS_UNHOOK
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}
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# Internal states of OscParser.
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enum OscState {
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START
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ID
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PAYLOAD
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ABORT
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}
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# C0 control codes
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# See: https://en.wikipedia.org/wiki/C0_and_C1_control_codes#C0_controls
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enum C0 {
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NUL
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SOH
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STX
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ETX
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EOT
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ENQ
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ACK
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BEL
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BS
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HT
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LF
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VT
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FF
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CR
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SO
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SI
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DLE
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DC1
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DC2
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DC3
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DC4
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NAK
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SYN
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ETB
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CAN
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EM
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SUB
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ESC
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FS
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GS
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RS
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US
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SP
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DEL = 0x7f
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}
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# C1 control codes
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# See: https://en.wikipedia.org/wiki/C0_and_C1_control_codes#C1_controls
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enum C1 {
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PAD = 0x80
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HOP = 0x81
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BPH = 0x82
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NBH = 0x83
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IND = 0x84
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NEL = 0x85
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SSA = 0x86
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ESA = 0x87
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HTS = 0x88
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HTJ = 0x89
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VTS = 0x8a
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PLD = 0x8b
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PLU = 0x8c
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RI = 0x8d
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SS2 = 0x8e
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SS3 = 0x8f
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DCS = 0x90
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PU1 = 0x91
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PU2 = 0x92
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STS = 0x93
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CCH = 0x94
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MW = 0x95
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SPA = 0x96
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EPA = 0x97
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SOS = 0x98
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SGCI = 0x99
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SCI = 0x9a
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CSI = 0x9b
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ST = 0x9c
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OSC = 0x9d
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PM = 0x9e
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APC = 0x9f
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}
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