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Add wildcard patter for JSON marching in rules using ``?`` pattern

This commit is contained in:
Stephan Hadinger 2020-05-24 09:57:11 +02:00
parent 054850ef0b
commit f5f1bdefdb
10 changed files with 154 additions and 127 deletions
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1
tasmota/CHANGELOG.md
View File

@ -6,6 +6,7 @@
- Change Energy JSON ExportActive field from ``"ExportActive":[33.736,11.717,16.978]`` to ``"ExportActive":33.736,"ExportTariff":[11.717,16.978]``
- Add Three Phase Export Active Energy to SDM630 driver
- Add commands ``LedPwmOn 0..255``, ``LedPwmOff 0..255`` and ``LedPwmMode1 0/1`` to control led brightness by George (#8491)
- Add wildcard patter for JSON marching in rules using ``?`` pattern
### 8.3.1.1 20200518

59
tasmota/support.ino
View File

@ -1874,65 +1874,6 @@ void AddLogBufferSize(uint32_t loglevel, uint8_t *buffer, uint32_t count, uint32
AddLog(loglevel);
}
/*********************************************************************************************\
* JSON parsing
\*********************************************************************************************/
// does the character needs to be escaped, and if so with which character
char escapeJSONChar(char c) {
if ((c == '\"') || (c == '\\')) {
return c;
}
if (c == '\n') { return 'n'; }
if (c == '\t') { return 't'; }
if (c == '\r') { return 'r'; }
if (c == '\f') { return 'f'; }
if (c == '\b') { return 'b'; }
return 0;
}
String escapeJSONString(const char *str) {
String r("");
if (nullptr == str) { return r; }
bool needs_escape = false;
size_t len_out = 1;
const char * c = str;
while (*c) {
if (escapeJSONChar(*c)) {
len_out++;
needs_escape = true;
}
c++;
len_out++;
}
if (needs_escape) {
// we need to escape some chars
// allocate target buffer
r.reserve(len_out);
c = str;
char *d = r.begin();
while (*c) {
char c2 = escapeJSONChar(*c);
if (c2) {
c++;
*d++ = '\\';
*d++ = c2;
} else {
*d++ = *c++;
}
}
*d = 0; // add NULL terminator
r = (char*) r.begin(); // assign the buffer to the string
} else {
r = str;
}
return r;
}
/*********************************************************************************************\
* Uncompress static PROGMEM strings
\*********************************************************************************************/

106
tasmota/support_json.ino Normal file
View File

@ -0,0 +1,106 @@
/*
support_json.ino - Static binary buffer for Zigbee on Tasmota
Copyright (C) 2020 Theo Arends and Stephan Hadinger
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*********************************************************************************************\
* JSON parsing
\*********************************************************************************************/
// does the character needs to be escaped, and if so with which character
char EscapeJSONChar(char c) {
if ((c == '\"') || (c == '\\')) {
return c;
}
if (c == '\n') { return 'n'; }
if (c == '\t') { return 't'; }
if (c == '\r') { return 'r'; }
if (c == '\f') { return 'f'; }
if (c == '\b') { return 'b'; }
return 0;
}
String EscapeJSONString(const char *str) {
String r("");
if (nullptr == str) { return r; }
bool needs_escape = false;
size_t len_out = 1;
const char * c = str;
while (*c) {
if (EscapeJSONChar(*c)) {
len_out++;
needs_escape = true;
}
c++;
len_out++;
}
if (needs_escape) {
// we need to escape some chars
// allocate target buffer
r.reserve(len_out);
c = str;
char *d = r.begin();
while (*c) {
char c2 = EscapeJSONChar(*c);
if (c2) {
c++;
*d++ = '\\';
*d++ = c2;
} else {
*d++ = *c++;
}
}
*d = 0; // add NULL terminator
r = (char*) r.begin(); // assign the buffer to the string
} else {
r = str;
}
return r;
}
/*********************************************************************************************\
* Find key - case insensitive
\*********************************************************************************************/
// Given a JsonObject, finds the value as JsonVariant for the key needle.
// The search is case-insensitive, and will find the first match in the order of keys in JSON
//
// If the key is not found, returns a nullptr
// Input: needle cannot be NULL but may be PROGMEM
const JsonVariant &GetCaseInsensitive(const JsonObject &json, const char *needle) {
// key can be in PROGMEM
// if needle == "?" then we return the first valid key
bool wildcard = strcmp_P("?", needle) == 0;
if ((nullptr == &json) || (nullptr == needle) || (0 == pgm_read_byte(needle))) {
return *(JsonVariant*)nullptr;
}
for (JsonObject::const_iterator it=json.begin(); it!=json.end(); ++it) {
const char *key = it->key;
const JsonVariant &value = it->value;
if (wildcard || (0 == strcasecmp_P(key, needle))) {
return value;
}
}
// if not found
return *(JsonVariant*)nullptr;
}

29
tasmota/xdrv_10_rules.ino
View File

@ -441,25 +441,20 @@ bool RulesRuleMatch(uint8_t rule_set, String &event, String &rule)
break;
}
}
snprintf_P(stemp, sizeof(stemp), PSTR("%%TIME%%"));
if (rule_param.startsWith(stemp)) {
if (rule_param.startsWith(F("%TIME%"))) {
rule_param = String(MinutesPastMidnight());
}
snprintf_P(stemp, sizeof(stemp), PSTR("%%UPTIME%%"));
if (rule_param.startsWith(stemp)) {
if (rule_param.startsWith(F("%UPTIME%"))) {
rule_param = String(MinutesUptime());
}
snprintf_P(stemp, sizeof(stemp), PSTR("%%TIMESTAMP%%"));
if (rule_param.startsWith(stemp)) {
if (rule_param.startsWith(F("%TIMESTAMP%"))) {
rule_param = GetDateAndTime(DT_LOCAL).c_str();
}
#if defined(USE_TIMERS) && defined(USE_SUNRISE)
snprintf_P(stemp, sizeof(stemp), PSTR("%%SUNRISE%%"));
if (rule_param.startsWith(stemp)) {
if (rule_param.startsWith(F("%SUNRISE%"))) {
rule_param = String(SunMinutes(0));
}
snprintf_P(stemp, sizeof(stemp), PSTR("%%SUNSET%%"));
if (rule_param.startsWith(stemp)) {
if (rule_param.startsWith(F("%SUNSET%"))) {
rule_param = String(SunMinutes(1));
}
#endif // USE_TIMERS and USE_SUNRISE
@ -493,13 +488,17 @@ bool RulesRuleMatch(uint8_t rule_set, String &event, String &rule)
uint32_t i = 0;
while ((pos = rule_name.indexOf("#")) > 0) { // "SUBTYPE1#SUBTYPE2#CURRENT"
subtype = rule_name.substring(0, pos);
if (!(*obj)[subtype].success()) { return false; } // No subtype in JSON data
JsonObject &obj2 = (*obj)[subtype];
obj = &obj2;
const JsonVariant & val = GetCaseInsensitive(*obj, subtype.c_str());
if (nullptr == &val) { return false; } // not found
obj = &(val.as<JsonObject>());
if (!obj->success()) { return false; } // not a JsonObject
rule_name = rule_name.substring(pos +1);
if (i++ > 10) { return false; } // Abandon possible loop
}
if (!(*obj)[rule_name].success()) { return false; } // No name in JSON data
const JsonVariant & val = GetCaseInsensitive(*obj, rule_name.c_str());
if (nullptr == &val) { return false; } // last level not found
const char* str_value;
if (rule_name_idx) {
str_value = (*obj)[rule_name][rule_name_idx -1]; // "CURRENT[1]"
@ -2036,7 +2035,7 @@ void CmndRule(void)
XdrvMailbox.command, index, GetStateText(bitRead(Settings.rule_enabled, index -1)), GetStateText(bitRead(Settings.rule_once, index -1)),
GetStateText(bitRead(Settings.rule_stop, index -1)),
rule_len, MAX_RULE_SIZE - GetRuleLenStorage(index - 1),
escapeJSONString(rule.c_str()).c_str());
EscapeJSONString(rule.c_str()).c_str());
}
}

4
tasmota/xdrv_20_hue.ino
View File

@ -437,8 +437,8 @@ void HueLightStatus2(uint8_t device, String *response)
fname[fname_len] = 0x00;
}
snprintf_P(buf, buf_size, HUE_LIGHTS_STATUS_JSON2,
escapeJSONString(fname).c_str(),
escapeJSONString(Settings.user_template_name).c_str(),
EscapeJSONString(fname).c_str(),
EscapeJSONString(Settings.user_template_name).c_str(),
PSTR("Tasmota"),
GetHueDeviceId(device).c_str());
*response += buf;

22
tasmota/xdrv_23_zigbee_1_headers.ino
View File

@ -23,29 +23,9 @@
void ZigbeeZCLSend_Raw(uint16_t dtsAddr, uint16_t groupaddr, uint16_t clusterId, uint8_t endpoint, uint8_t cmdId, bool clusterSpecific, const uint8_t *msg, size_t len, bool needResponse, uint8_t transacId);
// Get an JSON attribute, with case insensitive key search
const JsonVariant &getCaseInsensitive(const JsonObject &json, const char *needle) {
// key can be in PROGMEM
if ((nullptr == &json) || (nullptr == needle) || (0 == pgm_read_byte(needle))) {
return *(JsonVariant*)nullptr;
}
for (JsonObject::const_iterator it=json.begin(); it!=json.end(); ++it) {
const char *key = it->key;
const JsonVariant &value = it->value;
if (0 == strcasecmp_P(key, needle)) {
return value;
}
}
// if not found
return *(JsonVariant*)nullptr;
}
// get the result as a string (const char*) and nullptr if there is no field or the string is empty
const char * getCaseInsensitiveConstCharNull(const JsonObject &json, const char *needle) {
const JsonVariant &val = getCaseInsensitive(json, needle);
const JsonVariant &val = GetCaseInsensitive(json, needle);
if (&val) {
const char *val_cs = val.as<const char*>();
if (strlen(val_cs)) {

8
tasmota/xdrv_23_zigbee_2_devices.ino
View File

@ -1075,7 +1075,7 @@ int32_t Z_Devices::deviceRestore(const JsonObject &json) {
size_t endpoints_len = 0;
// read mandatory "Device"
const JsonVariant &val_device = getCaseInsensitive(json, PSTR("Device"));
const JsonVariant &val_device = GetCaseInsensitive(json, PSTR("Device"));
if (nullptr != &val_device) {
device = strToUInt(val_device);
} else {
@ -1083,7 +1083,7 @@ int32_t Z_Devices::deviceRestore(const JsonObject &json) {
}
// read "IEEEAddr" 64 bits in format "0x0000000000000000"
const JsonVariant &val_ieeeaddr = getCaseInsensitive(json, PSTR("IEEEAddr"));
const JsonVariant &val_ieeeaddr = GetCaseInsensitive(json, PSTR("IEEEAddr"));
if (nullptr != &val_ieeeaddr) {
ieeeaddr = strtoull(val_ieeeaddr.as<const char*>(), nullptr, 0);
}
@ -1098,7 +1098,7 @@ int32_t Z_Devices::deviceRestore(const JsonObject &json) {
manufid = getCaseInsensitiveConstCharNull(json, PSTR("Manufacturer"));
// read "Light"
const JsonVariant &val_bulbtype = getCaseInsensitive(json, PSTR(D_JSON_ZIGBEE_LIGHT));
const JsonVariant &val_bulbtype = GetCaseInsensitive(json, PSTR(D_JSON_ZIGBEE_LIGHT));
if (nullptr != &val_bulbtype) { bulbtype = strToUInt(val_bulbtype);; }
// update internal device information
@ -1109,7 +1109,7 @@ int32_t Z_Devices::deviceRestore(const JsonObject &json) {
if (&val_bulbtype) { setHueBulbtype(device, bulbtype); }
// read "Endpoints"
const JsonVariant &val_endpoints = getCaseInsensitive(json, PSTR("Endpoints"));
const JsonVariant &val_endpoints = GetCaseInsensitive(json, PSTR("Endpoints"));
if ((nullptr != &val_endpoints) && (val_endpoints.is<JsonArray>())) {
const JsonArray &arr_ep = val_endpoints.as<const JsonArray&>();
endpoints_len = arr_ep.size();

6
tasmota/xdrv_23_zigbee_3_hue.ino
View File

@ -85,9 +85,9 @@ void HueLightStatus2Zigbee(uint16_t shortaddr, String *response)
snprintf_P(shortaddrname, sizeof(shortaddrname), PSTR("0x%04X"), shortaddr);
snprintf_P(buf, buf_size, HUE_LIGHTS_STATUS_JSON2,
(friendlyName) ? escapeJSONString(friendlyName).c_str() : shortaddrname,
(modelId) ? escapeJSONString(modelId).c_str() : PSTR("Unknown"),
(manufacturerId) ? escapeJSONString(manufacturerId).c_str() : PSTR("Tasmota"),
(friendlyName) ? EscapeJSONString(friendlyName).c_str() : shortaddrname,
(modelId) ? EscapeJSONString(modelId).c_str() : PSTR("Unknown"),
(manufacturerId) ? EscapeJSONString(manufacturerId).c_str() : PSTR("Tasmota"),
GetHueDeviceId(shortaddr).c_str());
*response += buf;

2
tasmota/xdrv_23_zigbee_8_parsers.ino
View File

@ -600,7 +600,7 @@ void Z_SendAFInfoRequest(uint16_t shortaddr) {
void Z_AqaraOccupancy(uint16_t shortaddr, uint16_t cluster, uint8_t endpoint, const JsonObject &json) {
static const uint32_t OCCUPANCY_TIMEOUT = 90 * 1000; // 90 s
// Read OCCUPANCY value if any
const JsonVariant &val_endpoint = getCaseInsensitive(json, PSTR(OCCUPANCY));
const JsonVariant &val_endpoint = GetCaseInsensitive(json, PSTR(OCCUPANCY));
if (nullptr != &val_endpoint) {
uint32_t occupancy = strToUInt(val_endpoint);

44
tasmota/xdrv_23_zigbee_9_impl.ino
View File

@ -427,13 +427,13 @@ void CmndZbSend(void) {
bool clusterSpecific = true;
// parse JSON
const JsonVariant &val_device = getCaseInsensitive(json, PSTR("Device"));
const JsonVariant &val_device = GetCaseInsensitive(json, PSTR("Device"));
if (nullptr != &val_device) {
device = zigbee_devices.parseDeviceParam(val_device.as<char*>());
if (BAD_SHORTADDR == device) { ResponseCmndChar_P(PSTR("Invalid parameter")); return; }
}
if (BAD_SHORTADDR == device) { // if not found, check if we have a group
const JsonVariant &val_group = getCaseInsensitive(json, PSTR("Group"));
const JsonVariant &val_group = GetCaseInsensitive(json, PSTR("Group"));
if (nullptr != &val_group) {
groupaddr = strToUInt(val_group);
} else { // no device nor group
@ -442,11 +442,11 @@ void CmndZbSend(void) {
}
}
const JsonVariant &val_endpoint = getCaseInsensitive(json, PSTR("Endpoint"));
const JsonVariant &val_endpoint = GetCaseInsensitive(json, PSTR("Endpoint"));
if (nullptr != &val_endpoint) { endpoint = strToUInt(val_endpoint); }
const JsonVariant &val_manuf = getCaseInsensitive(json, PSTR("Manuf"));
const JsonVariant &val_manuf = GetCaseInsensitive(json, PSTR("Manuf"));
if (nullptr != &val_manuf) { manuf = strToUInt(val_manuf); }
const JsonVariant &val_cmd = getCaseInsensitive(json, PSTR("Send"));
const JsonVariant &val_cmd = GetCaseInsensitive(json, PSTR("Send"));
if (nullptr != &val_cmd) {
// probe the type of the argument
// If JSON object, it's high level commands
@ -582,7 +582,7 @@ void ZbBindUnbind(bool unbind) { // false = bind, true = unbind
// Information about source device: "Device", "Endpoint", "Cluster"
// - the source endpoint must have a known IEEE address
const JsonVariant &val_device = getCaseInsensitive(json, PSTR("Device"));
const JsonVariant &val_device = GetCaseInsensitive(json, PSTR("Device"));
if (nullptr != &val_device) {
srcDevice = zigbee_devices.parseDeviceParam(val_device.as<char*>());
}
@ -591,17 +591,17 @@ void ZbBindUnbind(bool unbind) { // false = bind, true = unbind
uint64_t srcLongAddr = zigbee_devices.getDeviceLongAddr(srcDevice);
if (0 == srcLongAddr) { ResponseCmndChar_P(PSTR("Unknown source IEEE address")); return; }
// look for source endpoint
const JsonVariant &val_endpoint = getCaseInsensitive(json, PSTR("Endpoint"));
const JsonVariant &val_endpoint = GetCaseInsensitive(json, PSTR("Endpoint"));
if (nullptr != &val_endpoint) { endpoint = strToUInt(val_endpoint); }
// look for source cluster
const JsonVariant &val_cluster = getCaseInsensitive(json, PSTR("Cluster"));
const JsonVariant &val_cluster = GetCaseInsensitive(json, PSTR("Cluster"));
if (nullptr != &val_cluster) { cluster = strToUInt(val_cluster); }
// Either Device address
// In this case the following parameters are mandatory
// - "ToDevice" and the device must have a known IEEE address
// - "ToEndpoint"
const JsonVariant &dst_device = getCaseInsensitive(json, PSTR("ToDevice"));
const JsonVariant &dst_device = GetCaseInsensitive(json, PSTR("ToDevice"));
if (nullptr != &dst_device) {
dstDevice = zigbee_devices.parseDeviceParam(dst_device.as<char*>());
if (BAD_SHORTADDR == dstDevice) { ResponseCmndChar_P(PSTR("Invalid parameter")); return; }
@ -612,12 +612,12 @@ void ZbBindUnbind(bool unbind) { // false = bind, true = unbind
}
if (0 == dstLongAddr) { ResponseCmndChar_P(PSTR("Unknown dest IEEE address")); return; }
const JsonVariant &val_toendpoint = getCaseInsensitive(json, PSTR("ToEndpoint"));
const JsonVariant &val_toendpoint = GetCaseInsensitive(json, PSTR("ToEndpoint"));
if (nullptr != &val_toendpoint) { toendpoint = strToUInt(val_endpoint); } else { toendpoint = endpoint; }
}
// Or Group Address - we don't need a dstEndpoint in this case
const JsonVariant &to_group = getCaseInsensitive(json, PSTR("ToGroup"));
const JsonVariant &to_group = GetCaseInsensitive(json, PSTR("ToGroup"));
if (nullptr != &to_group) { toGroup = strToUInt(to_group); }
// make sure we don't have conflicting parameters
@ -907,13 +907,13 @@ void CmndZbRead(void) {
size_t attrs_len = 0;
uint8_t* attrs = nullptr; // empty string is valid
const JsonVariant &val_device = getCaseInsensitive(json, PSTR("Device"));
const JsonVariant &val_device = GetCaseInsensitive(json, PSTR("Device"));
if (nullptr != &val_device) {
device = zigbee_devices.parseDeviceParam(val_device.as<char*>());
if (BAD_SHORTADDR == device) { ResponseCmndChar_P(PSTR("Invalid parameter")); return; }
}
if (BAD_SHORTADDR == device) { // if not found, check if we have a group
const JsonVariant &val_group = getCaseInsensitive(json, PSTR("Group"));
const JsonVariant &val_group = GetCaseInsensitive(json, PSTR("Group"));
if (nullptr != &val_group) {
groupaddr = strToUInt(val_group);
} else { // no device nor group
@ -922,14 +922,14 @@ void CmndZbRead(void) {
}
}
const JsonVariant &val_cluster = getCaseInsensitive(json, PSTR("Cluster"));
const JsonVariant &val_cluster = GetCaseInsensitive(json, PSTR("Cluster"));
if (nullptr != &val_cluster) { cluster = strToUInt(val_cluster); }
const JsonVariant &val_endpoint = getCaseInsensitive(json, PSTR("Endpoint"));
const JsonVariant &val_endpoint = GetCaseInsensitive(json, PSTR("Endpoint"));
if (nullptr != &val_endpoint) { endpoint = strToUInt(val_endpoint); }
const JsonVariant &val_manuf = getCaseInsensitive(json, PSTR("Manuf"));
const JsonVariant &val_manuf = GetCaseInsensitive(json, PSTR("Manuf"));
if (nullptr != &val_manuf) { manuf = strToUInt(val_manuf); }
const JsonVariant &val_attr = getCaseInsensitive(json, PSTR("Read"));
const JsonVariant &val_attr = GetCaseInsensitive(json, PSTR("Read"));
if (nullptr != &val_attr) {
uint16_t val = strToUInt(val_attr);
if (val_attr.is<JsonArray>()) {
@ -1034,21 +1034,21 @@ void CmndZbConfig(void) {
if (!json.success()) { ResponseCmndChar_P(PSTR(D_JSON_INVALID_JSON)); return; }
// Channel
const JsonVariant &val_channel = getCaseInsensitive(json, PSTR("Channel"));
const JsonVariant &val_channel = GetCaseInsensitive(json, PSTR("Channel"));
if (nullptr != &val_channel) { zb_channel = strToUInt(val_channel); }
if (zb_channel < 11) { zb_channel = 11; }
if (zb_channel > 26) { zb_channel = 26; }
// PanID
const JsonVariant &val_pan_id = getCaseInsensitive(json, PSTR("PanID"));
const JsonVariant &val_pan_id = GetCaseInsensitive(json, PSTR("PanID"));
if (nullptr != &val_pan_id) { zb_pan_id = strToUInt(val_pan_id); }
// ExtPanID
const JsonVariant &val_ext_pan_id = getCaseInsensitive(json, PSTR("ExtPanID"));
const JsonVariant &val_ext_pan_id = GetCaseInsensitive(json, PSTR("ExtPanID"));
if (nullptr != &val_ext_pan_id) { zb_ext_panid = strtoull(val_ext_pan_id.as<const char*>(), nullptr, 0); }
// KeyL
const JsonVariant &val_key_l = getCaseInsensitive(json, PSTR("KeyL"));
const JsonVariant &val_key_l = GetCaseInsensitive(json, PSTR("KeyL"));
if (nullptr != &val_key_l) { zb_precfgkey_l = strtoull(val_key_l.as<const char*>(), nullptr, 0); }
// KeyH
const JsonVariant &val_key_h = getCaseInsensitive(json, PSTR("KeyH"));
const JsonVariant &val_key_h = GetCaseInsensitive(json, PSTR("KeyH"));
if (nullptr != &val_key_h) { zb_precfgkey_h = strtoull(val_key_h.as<const char*>(), nullptr, 0); }
// Check if a parameter was changed after all