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package ansi
import (
"strconv"
"strings"
)
// RequestNameVersion (XTVERSION) is a control sequence that requests the
// terminal's name and version. It responds with a DSR sequence identifying the
// terminal.
//
// CSI > 0 q
// DCS > | text ST
//
// See https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-PC-Style-Function-Keys
const (
RequestNameVersion = "\x1b[>q"
XTVERSION = RequestNameVersion
)
// RequestXTVersion is a control sequence that requests the terminal's XTVERSION. It responds with a DSR sequence identifying the version.
//
// CSI > Ps q
// DCS > | text ST
//
// See https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-PC-Style-Function-Keys
//
// Deprecated: use [RequestNameVersion] instead.
const RequestXTVersion = RequestNameVersion
// PrimaryDeviceAttributes (DA1) is a control sequence that reports the
// terminal's primary device attributes.
//
// CSI c
// CSI 0 c
// CSI ? Ps ; ... c
//
// If no attributes are given, or if the attribute is 0, this function returns
// the request sequence. Otherwise, it returns the response sequence.
//
// See https://vt100.net/docs/vt510-rm/DA1.html
func PrimaryDeviceAttributes(attrs ...int) string {
if len(attrs) == 0 {
return RequestPrimaryDeviceAttributes
} else if len(attrs) == 1 && attrs[0] == 0 {
return "\x1b[0c"
}
as := make([]string, len(attrs))
for i, a := range attrs {
as[i] = strconv.Itoa(a)
}
return "\x1b[?" + strings.Join(as, ";") + "c"
}
// DA1 is an alias for [PrimaryDeviceAttributes].
func DA1(attrs ...int) string {
return PrimaryDeviceAttributes(attrs...)
}
// RequestPrimaryDeviceAttributes is a control sequence that requests the
// terminal's primary device attributes (DA1).
//
// CSI c
//
// See https://vt100.net/docs/vt510-rm/DA1.html
const RequestPrimaryDeviceAttributes = "\x1b[c"
// SecondaryDeviceAttributes (DA2) is a control sequence that reports the
// terminal's secondary device attributes.
//
// CSI > c
// CSI > 0 c
// CSI > Ps ; ... c
//
// See https://vt100.net/docs/vt510-rm/DA2.html
func SecondaryDeviceAttributes(attrs ...int) string {
if len(attrs) == 0 {
return RequestSecondaryDeviceAttributes
}
as := make([]string, len(attrs))
for i, a := range attrs {
as[i] = strconv.Itoa(a)
}
return "\x1b[>" + strings.Join(as, ";") + "c"
}
// DA2 is an alias for [SecondaryDeviceAttributes].
func DA2(attrs ...int) string {
return SecondaryDeviceAttributes(attrs...)
}
// RequestSecondaryDeviceAttributes is a control sequence that requests the
// terminal's secondary device attributes (DA2).
//
// CSI > c
//
// See https://vt100.net/docs/vt510-rm/DA2.html
const RequestSecondaryDeviceAttributes = "\x1b[>c"
// TertiaryDeviceAttributes (DA3) is a control sequence that reports the
// terminal's tertiary device attributes.
//
// CSI = c
// CSI = 0 c
// DCS ! | Text ST
//
// Where Text is the unit ID for the terminal.
//
// If no unit ID is given, or if the unit ID is 0, this function returns the
// request sequence. Otherwise, it returns the response sequence.
//
// See https://vt100.net/docs/vt510-rm/DA3.html
func TertiaryDeviceAttributes(unitID string) string {
switch unitID {
case "":
return RequestTertiaryDeviceAttributes
case "0":
return "\x1b[=0c"
}
return "\x1bP!|" + unitID + "\x1b\\"
}
// DA3 is an alias for [TertiaryDeviceAttributes].
func DA3(unitID string) string {
return TertiaryDeviceAttributes(unitID)
}
// RequestTertiaryDeviceAttributes is a control sequence that requests the
// terminal's tertiary device attributes (DA3).
//
// CSI = c
//
// See https://vt100.net/docs/vt510-rm/DA3.html
const RequestTertiaryDeviceAttributes = "\x1b[=c"
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