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Add an empty modulus bracket as syntactic sugar to denote a basic mod translation with zero offset.

master
Albert Graef 2018-09-01 14:41:26 +02:00
parent 3ae0854f88
commit b3b74f7579
2 changed files with 21 additions and 8 deletions
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2
examples/APCmini.midizaprc
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@ -203,7 +203,7 @@ G#7 D7
# lists below to skip over all the non-digit characters at the beginning of
# the ASCII table.
?CC69[128] F7{0:49,1,0} E7{0:50,1,0} Eb7{0:51,1,0} D7{0:52,1,0}
?CC69[] F7{0:49,1,0} E7{0:50,1,0} Eb7{0:51,1,0} D7{0:52,1,0}
# no feedback for faders (faders aren't motorized)

27
readconfig.c
View File

@ -900,7 +900,7 @@ re_press_temp_modifiers(void)
msg ::= note | other
note ::= ( "a" | ... | "g" ) [ "#" | "b" ]
other ::= "ch" | "pb" | "pc" | "cc" | "cp" | "kp:" note
steps ::= "[" number "]" | "{" list "}" | "[" number "]" "{" list "}"
steps ::= [ "[" [ number ] "]" ] [ "{" list "}" ]
list ::= number { "," number | ":" number | "-" number }
flag ::= "-" | "+" | "=" | "<" | ">" | "~" | "'"
@ -1085,7 +1085,12 @@ parse_midi(char *tok, char *s, int lhs, int mode,
*mod = 0;
int step2 = 0, n_steps2 = 0, *steps2 = 0;
if (*p == '[' || *p == '{') {
if ((p = parse_steps(tok, p, step, n_steps, steps))) {
if (p[0] == '[' && p[1] == ']') {
// basic mod translation with zero offset; only permitted on the lhs
if (!lhs) return 0;
*step = -1; // sentinel value, modulus will be filled in later
p += 2;
} else if ((p = parse_steps(tok, p, step, n_steps, steps))) {
if (*n_steps) {
// only permitted on the rhs in mod translations
if (lhs || mode < 2) return 0;
@ -1159,8 +1164,7 @@ parse_midi(char *tok, char *s, int lhs, int mode,
// check for the different messages types we support
if (strcmp(s, "ch") == 0) {
if (lhs) return 0; // not permitted on lhs
if (*step) return 0; // step size not permitted
if (*n_steps) return 0; // steps not permitted
if (*step || *n_steps) return 0; // not permitted
if (*swap || steps2 || n_steps2) return 0; // not permitted
// we return a bogus status of 0 here, along with the MIDI channel
// in the data byte; also check that the MIDI channel is in the
@ -1175,7 +1179,9 @@ parse_midi(char *tok, char *s, int lhs, int mode,
if (lhs && *step && !*incr) {
*mod = *step; *step = step2;
*n_steps = n_steps2; *steps = steps2;
if (*mod < 0) *mod = 16384;
}
if (lhs && *incr && *step < 0) return 0; // not permitted
if (lhs && !*step) *step = 1; // default
return 1;
} else if (strcmp(s, "cp") == 0) {
@ -1185,13 +1191,14 @@ parse_midi(char *tok, char *s, int lhs, int mode,
if (lhs && *step && !*incr) {
*mod = *step; *step = step2;
*n_steps = n_steps2; *steps = steps2;
if (*mod < 0) *mod = 128;
}
if (lhs && *incr && *step < 0) return 0; // not permitted
if (lhs && !*step) *step = 1; // default
return 1;
} else if (strcmp(s, "pc") == 0) {
// program change
if (*step) return 0; // step size not permitted
if (*n_steps) return 0; // steps not permitted
if (*step || *n_steps) return 0; // not permitted
if (steps2 || n_steps2) return 0; // not permitted
if (m < 0 || m > 127) return 0;
*status = 0xc0 | k; *data = m;
@ -1204,7 +1211,9 @@ parse_midi(char *tok, char *s, int lhs, int mode,
if (lhs && *step && !*incr) {
*mod = *step; *step = step2;
*n_steps = n_steps2; *steps = steps2;
if (*mod < 0) *mod = 128;
}
if (lhs && *incr && *step < 0) return 0; // not permitted
if (lhs && !*step) *step = 1; // default
return 1;
} else if (strcmp(s, "kp") == 0) {
@ -1215,15 +1224,19 @@ parse_midi(char *tok, char *s, int lhs, int mode,
if (lhs && *step && !*incr) {
*mod = *step; *step = step2;
*n_steps = n_steps2; *steps = steps2;
if (*mod < 0) *mod = 128;
}
if (lhs && *incr && *step < 0) return 0; // not permitted
if (lhs && !*step) *step = 1; // default
return 1;
} else {
// step size on lhs indicates modulus
if (lhs && *step) {
if (lhs && *step && !*incr) {
*mod = *step; *step = step2;
*n_steps = n_steps2; *steps = steps2;
if (*mod < 0) *mod = 128;
}
if (lhs && *incr && *step < 0) return 0; // not permitted
if (lhs && !*step) *step = 1; // default
// we must be looking at a MIDI note here, with m denoting the
// octave number; first character is the note name (must be a..g);