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Revert "AK: Made Strings reversible"

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This reverts commit 26e81ad574.

We forgot to consider UTF-8 here. String is UTF-8 and we need to be
careful about things like this.
This commit is contained in:
Andreas Kling 2019-09-13 14:37:25 +02:00
parent 2d1f3ec749
commit 09e89cc55d
Notes: sideshowbarker 2024-07-19 12:08:03 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/09e89cc55db
4 changed files with 4 additions and 28 deletions
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10
AK/String.h Normal file → Executable file
View file

@ -110,13 +110,6 @@ public:
return m_impl->to_uppercase();
}
String reversed() const
{
if (!m_impl)
return String();
return m_impl->reversed();
}
Vector<String> split_limit(char separator, int limit) const;
Vector<String> split(char separator) const;
String substring(int start, int length) const;
@ -234,6 +227,7 @@ struct Traits<String> : public GenericTraits<String> {
struct CaseInsensitiveStringTraits : public AK::Traits<String> {
static unsigned hash(const String& s) { return s.impl() ? s.to_lowercase().impl()->hash() : 0; }
static bool equals(const String& a, const String& b) { return a.to_lowercase() == b.to_lowercase(); }
};
inline bool operator<(const char* characters, const String& string)
@ -270,5 +264,5 @@ inline bool operator<=(const char* characters, const String& string)
}
using AK::CaseInsensitiveStringTraits;
using AK::String;
using AK::CaseInsensitiveStringTraits;

17
AK/StringImpl.cpp
View file

@ -4,7 +4,7 @@
#include "kmalloc.h"
#ifndef __serenity__
# include <new>
#include <new>
#endif
//#define DEBUG_STRINGIMPL
@ -172,19 +172,4 @@ void StringImpl::compute_hash() const
m_has_hash = true;
}
NonnullRefPtr<StringImpl> StringImpl::reversed() const
{
if (m_length == 0)
return the_empty_stringimpl();
char* buffer;
const char* pos = &m_inline_buffer[m_length - 1];
auto new_impl = create_uninitialized(m_length, buffer);
for (int i = 0; i < m_length; i++)
buffer[i] = *pos--;
return new_impl;
}
}

4
AK/StringImpl.h
View file

@ -1,7 +1,7 @@
#pragma once
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/RefCounted.h>
#include <AK/Types.h>
#include <AK/kmalloc.h>
@ -44,8 +44,6 @@ public:
return m_hash;
}
NonnullRefPtr<StringImpl> reversed() const;
private:
enum ConstructTheEmptyStringImplTag {
ConstructTheEmptyStringImpl

1
AK/Tests/TestString.cpp
View file

@ -41,7 +41,6 @@ TEST_CASE(compare)
EXPECT(!("a" >= String("b")));
EXPECT("a" <= String("a"));
EXPECT(!("b" <= String("a")));
EXPECT(!strcmp(test_string.reversed().characters(), "FEDCBA"));
}
TEST_CASE(index_access)