esphome::text_sensor::PrependFilter Class Reference

A simple filter that adds a string to the start of another string. More...

#include <filter.h>

Inheritance diagram for esphome::text_sensor::PrependFilter:

Public Member Functions
	PrependFilter (const char *prefix)
optional< std::string >	new_value (std::string value) override
Public Member Functions inherited from esphome::text_sensor::Filter
virtual void	initialize (TextSensor *parent, Filter *next)
	Initialize this filter, please note this can be called more than once.
void	input (const std::string &value)
void	output (const std::string &value)

Protected Attributes
const char *	prefix_
Protected Attributes inherited from esphome::text_sensor::Filter
friend	TextSensor
Filter *	next_ {nullptr}
TextSensor *	parent_ {nullptr}

Detailed Description

A simple filter that adds a string to the start of another string.

Definition at line 103 of file filter.h.

Constructor & Destructor Documentation

PrependFilter()

esphome::text_sensor::PrependFilter::PrependFilter ( const char * prefix )

inlineexplicit

Definition at line 105 of file filter.h.

Member Function Documentation

new_value()

optional< std::string > esphome::text_sensor::PrependFilter::new_value ( std::string value )

overridevirtual

Implements esphome::text_sensor::Filter.

Definition at line 65 of file filter.cpp.

Field Documentation

prefix_

const char* esphome::text_sensor::PrependFilter::prefix_

protected

Definition at line 109 of file filter.h.

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The documentation for this class was generated from the following files:

• esphome/components/text_sensor/filter.h
• esphome/components/text_sensor/filter.cpp