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Provide String::indexOf for a char* needle #7706

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Merged
merged 7 commits into from
Nov 13, 2020
Merged

Provide String::indexOf for a char* needle #7706

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598eddf
Provide String::indexOf for char* needle
paulocsanz Nov 13, 2020
543204e
Add tests for String::indexOf(char*)
paulocsanz Nov 13, 2020
c2017d0
Add String::indexOf for __FlashStringHelper pointers
paulocsanz Nov 13, 2020
06afd28
Fix typo
paulocsanz Nov 13, 2020
4b3a6a3
Use strstr_P in String::indexOf for char pointers
paulocsanz Nov 13, 2020
e466556
Make String::indexOf with String needle use char pointer version
paulocsanz Nov 13, 2020
dc696e0
Fix pointer cast to const
paulocsanz Nov 13, 2020
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13 changes: 13 additions & 0 deletions cores/esp8266/WString.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -617,6 +617,19 @@ int String::indexOf(char ch, unsigned int fromIndex) const {
return temp - buffer();
}

int String::indexOf(const char *s2) const {
return indexOf(s2, 0);
}

int String::indexOf(const char *s2, unsigned int fromIndex) const {
if (fromIndex >= len())
return -1;
const char *found = strstr(buffer() + fromIndex, s2);
if (found == NULL)
return -1;
return found - buffer();
}

int String::indexOf(const String &s2) const {
return indexOf(s2, 0);
}
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2 changes: 2 additions & 0 deletions cores/esp8266/WString.h
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Expand Up @@ -235,6 +235,8 @@ class String {
// search
int indexOf(char ch) const;
int indexOf(char ch, unsigned int fromIndex) const;
int indexOf(const char *str) const;
int indexOf(const char *str, unsigned int fromIndex) const;
int indexOf(const String &str) const;
int indexOf(const String &str, unsigned int fromIndex) const;
int lastIndexOf(char ch) const;
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2 changes: 2 additions & 0 deletions tests/host/core/test_string.cpp
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Expand Up @@ -245,6 +245,8 @@ TEST_CASE("String nulls", "[core][String]")
REQUIRE(s.lastIndexOf("tacos") == -1);
REQUIRE(s.lastIndexOf('t', 0) == -1);
REQUIRE(s.lastIndexOf('t') == -1);
REQUIRE(s.indexOf(String("tacos"), 1) == -1);
REQUIRE(s.indexOf(String("tacos")) == -1);
REQUIRE(s.indexOf("tacos", 1) == -1);
REQUIRE(s.indexOf("tacos") == -1);
REQUIRE(s.indexOf('t', 1) == -1);
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