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vt: convert SOS/PM/APC string from table lookup to switch

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Daniel Eklöf 2019-12-20 21:50:54 +01:00
parent ad1773d7bc
commit 2d79497093
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GPG key ID: 5BBD4992C116573F
1 changed files with 30 additions and 2 deletions
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32
vt.c
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@ -494,7 +494,6 @@ static const struct state_transition state_dcs_passthrough[256] = {
[0x9d] = { .state = STATE_OSC_STRING},
[0x9e ... 0x9f] = { .state = STATE_SOS_PM_APC_STRING},
};
#endif
static const struct state_transition state_sos_pm_apc_string[256] = {
[0x00 ... 0x17] = {.action = ACTION_IGNORE},
@ -516,6 +515,7 @@ static const struct state_transition state_sos_pm_apc_string[256] = {
[0x9d] = { .state = STATE_OSC_STRING},
[0x9e ... 0x9f] = { .state = STATE_SOS_PM_APC_STRING},
};
#endif
#if 0
static const struct state_transition* states[] = {
@ -1498,6 +1498,34 @@ state_dcs_passthrough_switch(struct terminal *term, uint8_t data)
}
}
static enum state
state_sos_pm_apc_string_switch(struct terminal *term, uint8_t data)
{
switch (data) {
/* exit current enter new state */
case 0x00 ... 0x17:
case 0x19:
case 0x1c ... 0x7f: action(term, ACTION_IGNORE, data); return STATE_SOS_PM_APC_STRING;
/* Anywhere */
case 0x18: action(term, ACTION_EXECUTE, data); return STATE_GROUND;
case 0x1a: action(term, ACTION_EXECUTE, data); return STATE_GROUND;
case 0x1b: action(term, ACTION_CLEAR, data); return STATE_ESCAPE;
case 0x80 ... 0x8f: action(term, ACTION_EXECUTE, data); return STATE_GROUND;
case 0x90: action(term, ACTION_CLEAR, data); return STATE_DCS_ENTRY;
case 0x91 ... 0x97: action(term, ACTION_EXECUTE, data); return STATE_GROUND;
case 0x98: return STATE_SOS_PM_APC_STRING;
case 0x99: action(term, ACTION_EXECUTE, data); return STATE_GROUND;
case 0x9a: action(term, ACTION_EXECUTE, data); return STATE_GROUND;
case 0x9b: action(term, ACTION_CLEAR, data); return STATE_CSI_ENTRY;
case 0x9c: return STATE_GROUND;
case 0x9d: action(term, ACTION_OSC_START, data); return STATE_OSC_STRING;
case 0x9e ... 0x9f: return STATE_SOS_PM_APC_STRING;
default: return STATE_SOS_PM_APC_STRING;
}
}
void
vt_from_slave(struct terminal *term, const uint8_t *data, size_t len)
{
@ -1529,7 +1557,7 @@ vt_from_slave(struct terminal *term, const uint8_t *data, size_t len)
case STATE_DCS_INTERMEDIATE: term->vt.state = current_state = state_dcs_intermediate_switch(term, data[i]); continue;
case STATE_DCS_IGNORE: term->vt.state = current_state = state_dcs_ignore_switch(term, data[i]); continue;
case STATE_DCS_PASSTHROUGH: term->vt.state = current_state = state_dcs_passthrough_switch(term, data[i]); continue;
case STATE_SOS_PM_APC_STRING: table = state_sos_pm_apc_string; break;
case STATE_SOS_PM_APC_STRING: term->vt.state = current_state = state_sos_pm_apc_string_switch(term, data[i]); continue;
case STATE_SAME:
case STATE_UTF8_COLLECT: assert(false); break;