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prep for DECRPM #1582

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nick black 2021-06-20 05:19:25 -04:00 committed by Nick Black
parent 37aa8efd7c
commit 8d86fd3162
1 changed files with 4 additions and 2 deletions
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6
src/lib/input.c
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@ -633,7 +633,7 @@ typedef enum {
STATE_TDA2, // tertiary DA, got '|', first hex nibble
STATE_TDA3, // tertiary DA, second hex nibble
STATE_SDA, // secondary DA (CSI > Pp ; Pv ; Pc c)
STATE_DA, // primary DA (CSI ? ... c) OR XTSMGRAPHICS
STATE_DA, // primary DA (CSI ? ... c) OR XTSMGRAPHICS OR DECRPM
STATE_DA_1, // got '1', XTSMGRAPHICS color registers or primary DA
STATE_DA_1_SEMI, // got '1;'
STATE_DA_1_0, // got '1;0', XTSMGRAPHICS color registers or VT101
@ -772,6 +772,7 @@ stash_string(query_state* inits){
// FIXME ought implement the full Williams automaton
// FIXME doesn't handle 8-bit controls (would need convert UTF-8)
// FIXME sloppy af in general
// returns 1 after handling the Device Attributes response, 0 if more input
// ought be fed to the machine, and -1 on an invalid state transition.
static int
@ -831,7 +832,7 @@ pump_control_read(query_state* inits, unsigned char c){
break;
case STATE_CSI: // terminated by 0x40--0x7E ('@'--'~')
if(c == '?'){
inits->state = STATE_DA;
inits->state = STATE_DA; // could also be DECRPM/XTSMGRAPHICS
}else if(c == '>'){
inits->state = STATE_SDA;
}else if(c >= 0x40 && c <= 0x7E){
@ -951,6 +952,7 @@ pump_control_read(query_state* inits, unsigned char c){
// primary device attributes and XTSMGRAPHICS replies are generally
// indistinguishable until well into the escape. one can get:
// XTSMGRAPHICS: CSI ? Pi ; Ps ; Pv S {Pi: 123} {Ps: 0123}
// DECRPM: CSI ? Pd ; Ps $ y {Pd: many} {Ps: 01234}
// DA: CSI ? 1 ; 2 c ("VT100 with Advanced Video Option")
// CSI ? 1 ; 0 c ("VT101 with No Options")
// CSI ? 4 ; 6 c ("VT132 with Advanced Video and Graphics")