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Merge pull request #4356 from blazoncek/json-cycle

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Proper fix for #3605 & #4346
This commit is contained in:
netmindz 2024-12-12 15:53:03 +00:00 committed by Will Tatam
parent 642a9e3652
commit b75a2de485
3 changed files with 11 additions and 20 deletions
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2
wled00/fcn_declare.h
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@ -373,7 +373,7 @@ void userLoop();
//util.cpp
int getNumVal(const String* req, uint16_t pos);
void parseNumber(const char* str, byte* val, byte minv=0, byte maxv=255);
bool getVal(JsonVariant elem, byte* val, byte minv=0, byte maxv=255);
bool getVal(JsonVariant elem, byte* val, byte minv=0, byte maxv=255); // getVal supports inc/decrementing and random ("X~Y(r|~[w][-][Z])" form)
bool getBoolVal(JsonVariant elem, bool dflt);
bool updateVal(const char* req, const char* key, byte* val, byte minv=0, byte maxv=255);
size_t printSetFormCheckbox(Print& settingsScript, const char* key, int val);

19
wled00/json.cpp
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@ -223,30 +223,17 @@ bool deserializeSegment(JsonObject elem, byte it, byte presetId)
#endif
byte fx = seg.mode;
byte last = strip.getModeCount();
// partial fix for #3605
if (!elem["fx"].isNull() && elem["fx"].is<const char*>()) {
const char *tmp = elem["fx"].as<const char *>();
if (strlen(tmp) > 3 && (strchr(tmp,'r') || strchr(tmp,'~') != strrchr(tmp,'~'))) last = 0; // we have "X~Y(r|[w]~[-])" form
}
// end fix
if (getVal(elem["fx"], &fx, 0, last)) { //load effect ('r' random, '~' inc/dec, 0-255 exact value, 5~10r pick random between 5 & 10)
if (getVal(elem["fx"], &fx, 0, strip.getModeCount())) {
if (!presetId && currentPlaylist>=0) unloadPlaylist();
if (fx != seg.mode) seg.setMode(fx, elem[F("fxdef")]);
}
//getVal also supports inc/decrementing and random
getVal(elem["sx"], &seg.speed);
getVal(elem["ix"], &seg.intensity);
uint8_t pal = seg.palette;
last = strip.getPaletteCount();
if (!elem["pal"].isNull() && elem["pal"].is<const char*>()) {
const char *tmp = elem["pal"].as<const char *>();
if (strlen(tmp) > 3 && (strchr(tmp,'r') || strchr(tmp,'~') != strrchr(tmp,'~'))) last = 0; // we have "X~Y(r|[w]~[-])" form
}
if (seg.getLightCapabilities() & 1) { // ignore palette for White and On/Off segments
if (getVal(elem["pal"], &pal, 0, last)) seg.setPalette(pal);
if (getVal(elem["pal"], &pal, 0, strip.getPaletteCount())) seg.setPalette(pal);
}
getVal(elem["c1"], &seg.custom1);
@ -467,7 +454,7 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
DEBUG_PRINTF_P(PSTR("Preset direct: %d\n"), currentPreset);
} else if (!root["ps"].isNull()) {
// we have "ps" call (i.e. from button or external API call) or "pd" that includes "ps" (i.e. from UI call)
if (root["win"].isNull() && getVal(root["ps"], &presetCycCurr, 0, 0) && presetCycCurr > 0 && presetCycCurr < 251 && presetCycCurr != currentPreset) {
if (root["win"].isNull() && getVal(root["ps"], &presetCycCurr, 1, 250) && presetCycCurr > 0 && presetCycCurr < 251 && presetCycCurr != currentPreset) {
DEBUG_PRINTF_P(PSTR("Preset select: %d\n"), presetCycCurr);
// b) preset ID only or preset that does not change state (use embedded cycling limits if they exist in getVal())
applyPreset(presetCycCurr, callMode); // async load from file system (only preset ID was specified)

10
wled00/util.cpp
View File

@ -52,7 +52,7 @@ void parseNumber(const char* str, byte* val, byte minv, byte maxv)
*val = atoi(str);
}
//getVal supports inc/decrementing and random ("X~Y(r|~[w][-][Z])" form)
bool getVal(JsonVariant elem, byte* val, byte vmin, byte vmax) {
if (elem.is<int>()) {
if (elem < 0) return false; //ignore e.g. {"ps":-1}
@ -60,8 +60,12 @@ bool getVal(JsonVariant elem, byte* val, byte vmin, byte vmax) {
return true;
} else if (elem.is<const char*>()) {
const char* str = elem;
size_t len = strnlen(str, 12);
if (len == 0 || len > 10) return false;
size_t len = strnlen(str, 14);
if (len == 0 || len > 12) return false;
// fix for #3605 & #4346
// ignore vmin and vmax and use as specified in API
if (len > 3 && (strchr(str,'r') || strchr(str,'~') != strrchr(str,'~'))) vmax = vmin = 0; // we have "X~Y(r|~[w][-][Z])" form
// end fix
parseNumber(str, val, vmin, vmax);
return true;
}