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[datetime] Add const char * overloads for string parsing to avoid heap allocation

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This commit is contained in:
J. Nick Koston
2026-01-18 23:09:24 -10:00
parent d41980d0d2
commit 54a4d60f5d
6 changed files with 17 additions and 12 deletions
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esphome/components/datetime/date_entity.cpp
+2 -2
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@@ -106,9 +106,9 @@ DateCall &DateCall::set_date(uint16_t year, uint8_t month, uint8_t day) {
DateCall &DateCall::set_date(ESPTime time) { return this->set_date(time.year, time.month, time.day_of_month); };
DateCall &DateCall::set_date(const char *date) {
DateCall &DateCall::set_date(const char *date, size_t len) {
ESPTime val{};
if (!ESPTime::strptime(date, val)) {
if (!ESPTime::strptime(date, len, val)) {
ESP_LOGE(TAG, "Could not convert the date string to an ESPTime object");
return *this;
}
esphome/components/datetime/date_entity.h
+3 -2
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@@ -67,8 +67,9 @@ class DateCall {
void perform();
DateCall &set_date(uint16_t year, uint8_t month, uint8_t day);
DateCall &set_date(ESPTime time);
DateCall &set_date(const char *date);
DateCall &set_date(const std::string &date) { return this->set_date(date.c_str()); }
DateCall &set_date(const char *date, size_t len);
DateCall &set_date(const char *date) { return this->set_date(date, strlen(date)); }
DateCall &set_date(const std::string &date) { return this->set_date(date.c_str(), date.size()); }
DateCall &set_year(uint16_t year) {
this->year_ = year;
esphome/components/datetime/datetime_entity.cpp
+2 -2
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@@ -163,9 +163,9 @@ DateTimeCall &DateTimeCall::set_datetime(ESPTime datetime) {
datetime.second);
};
DateTimeCall &DateTimeCall::set_datetime(const char *datetime) {
DateTimeCall &DateTimeCall::set_datetime(const char *datetime, size_t len) {
ESPTime val{};
if (!ESPTime::strptime(datetime, val)) {
if (!ESPTime::strptime(datetime, len, val)) {
ESP_LOGE(TAG, "Could not convert the time string to an ESPTime object");
return *this;
}
esphome/components/datetime/datetime_entity.h
+5 -2
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@@ -71,8 +71,11 @@ class DateTimeCall {
void perform();
DateTimeCall &set_datetime(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute, uint8_t second);
DateTimeCall &set_datetime(ESPTime datetime);
DateTimeCall &set_datetime(const char *datetime);
DateTimeCall &set_datetime(const std::string &datetime) { return this->set_datetime(datetime.c_str()); }
DateTimeCall &set_datetime(const char *datetime, size_t len);
DateTimeCall &set_datetime(const char *datetime) { return this->set_datetime(datetime, strlen(datetime)); }
DateTimeCall &set_datetime(const std::string &datetime) {
return this->set_datetime(datetime.c_str(), datetime.size());
}
DateTimeCall &set_datetime(time_t epoch_seconds);
DateTimeCall &set_year(uint16_t year) {
esphome/components/datetime/time_entity.cpp
+2 -2
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@@ -74,9 +74,9 @@ TimeCall &TimeCall::set_time(uint8_t hour, uint8_t minute, uint8_t second) {
TimeCall &TimeCall::set_time(ESPTime time) { return this->set_time(time.hour, time.minute, time.second); };
TimeCall &TimeCall::set_time(const char *time) {
TimeCall &TimeCall::set_time(const char *time, size_t len) {
ESPTime val{};
if (!ESPTime::strptime(time, val)) {
if (!ESPTime::strptime(time, len, val)) {
ESP_LOGE(TAG, "Could not convert the time string to an ESPTime object");
return *this;
}
esphome/components/datetime/time_entity.h
+3 -2
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@@ -69,8 +69,9 @@ class TimeCall {
void perform();
TimeCall &set_time(uint8_t hour, uint8_t minute, uint8_t second);
TimeCall &set_time(ESPTime time);
TimeCall &set_time(const char *time);
TimeCall &set_time(const std::string &time) { return this->set_time(time.c_str()); }
TimeCall &set_time(const char *time, size_t len);
TimeCall &set_time(const char *time) { return this->set_time(time, strlen(time)); }
TimeCall &set_time(const std::string &time) { return this->set_time(time.c_str(), time.size()); }
TimeCall &set_hour(uint8_t hour) {
this->hour_ = hour;