From 36075257c2433d4427882cac9126abb68f11d97c Mon Sep 17 00:00:00 2001
From: Clemens Kirchgatterer <clemens@1541.org>
Date: Mon, 20 Jan 2020 14:29:16 +0100
Subject: [PATCH] WString explicit converters to reduce Flash size (#3497)

* WString explicit converters to reduce Flash size

This is a port from the same patch for ESP8266: https://github.com/esp8266/Arduino/pull/6759/files
---
 cores/esp32/WString.h | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/cores/esp32/WString.h b/cores/esp32/WString.h
index 38bd116f..9111d9aa 100644
--- a/cores/esp32/WString.h
+++ b/cores/esp32/WString.h
@@ -203,8 +203,20 @@ class String {
         unsigned char equalsIgnoreCase(const String &s) const;
         unsigned char equalsConstantTime(const String &s) const;
         unsigned char startsWith(const String &prefix) const;
+        unsigned char startsWith(const char *prefix) const {
+            return this->startsWith(String(prefix));
+        }
+        unsigned char startsWith(const __FlashStringHelper *prefix) const {
+            return this->startsWith(String(prefix));
+        }
         unsigned char startsWith(const String &prefix, unsigned int offset) const;
         unsigned char endsWith(const String &suffix) const;
+        unsigned char endsWith(const char *suffix) const {
+            return this->endsWith(String(suffix));
+        }
+        unsigned char endsWith(const __FlashStringHelper * suffix) const {
+            return this->endsWith(String(suffix));
+        }
 
         // character access
         char charAt(unsigned int index) const;
@@ -238,7 +250,22 @@ class String {
 
         // modification
         void replace(char find, char replace);
-        void replace(const String& find, const String& replace);
+        void replace(const String &find, const String &replace);
+        void replace(const char *find, const String &replace) {
+            this->replace(String(find), replace);
+        }
+        void replace(const __FlashStringHelper *find, const String &replace) {
+            this->replace(String(find), replace);
+        }
+        void replace(const char *find, const char *replace) {
+            this->replace(String(find), String(replace));
+        }
+        void replace(const __FlashStringHelper *find, const char *replace) {
+            this->replace(String(find), String(replace));
+        }
+        void replace(const __FlashStringHelper *find, const __FlashStringHelper *replace) {
+            this->replace(String(find), String(replace));
+        }
         void remove(unsigned int index);
         void remove(unsigned int index, unsigned int count);
         void toLowerCase(void);