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[web_server] Reduce flash and RAM usage by optimizing string construction (#10986)

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This commit is contained in:
J. Nick Koston
2025-10-05 15:42:23 -05:00
committed by GitHub
parent 84c3cf5f17
commit 5932a4bd0e
3 changed files with 72 additions and 47 deletions
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5
esphome/core/helpers.h
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@@ -45,6 +45,9 @@
namespace esphome {
// Forward declaration to avoid circular dependency with string_ref.h
class StringRef;
/// @name STL backports
///@{
@@ -610,6 +613,8 @@ ParseOnOffState parse_on_off(const char *str, const char *on = nullptr, const ch
/// Create a string from a value and an accuracy in decimals.
std::string value_accuracy_to_string(float value, int8_t accuracy_decimals);
/// Create a string from a value, an accuracy in decimals, and a unit of measurement.
std::string value_accuracy_with_uom_to_string(float value, int8_t accuracy_decimals, StringRef unit_of_measurement);
/// Derive accuracy in decimals from an increment step.
int8_t step_to_accuracy_decimals(float step);