mirror of
https://github.com/RGBCube/serenity
synced 2025-05-14 08:34:57 +00:00
AK+Everywhere: Rename String to DeprecatedString
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
This commit is contained in:
Linus Groh
Andreas Kling
parent
f74251606d
commit
6e19ab2bbc
2006 changed files with 11635 additions and 11636 deletions
452
AK/String.cpp
452
AK/String.cpp
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteBuffer.h>
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#include <AK/FlyString.h>
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#include <AK/Format.h>
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#include <AK/Function.h>
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#include <AK/Memory.h>
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#include <AK/StdLibExtras.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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#include <AK/Vector.h>
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namespace AK {
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bool String::operator==(FlyString const& fly_string) const
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{
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return m_impl == fly_string.impl() || view() == fly_string.view();
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}
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bool String::operator==(String const& other) const
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{
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return m_impl == other.impl() || view() == other.view();
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}
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bool String::operator==(StringView other) const
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{
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return view() == other;
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}
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bool String::operator<(String const& other) const
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{
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return view() < other.view();
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}
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bool String::operator>(String const& other) const
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{
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return view() > other.view();
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}
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bool String::copy_characters_to_buffer(char* buffer, size_t buffer_size) const
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{
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// We must fit at least the NUL-terminator.
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VERIFY(buffer_size > 0);
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size_t characters_to_copy = min(length(), buffer_size - 1);
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__builtin_memcpy(buffer, characters(), characters_to_copy);
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buffer[characters_to_copy] = 0;
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return characters_to_copy == length();
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}
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String String::isolated_copy() const
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{
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if (!m_impl)
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return {};
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if (!m_impl->length())
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return empty();
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char* buffer;
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auto impl = StringImpl::create_uninitialized(length(), buffer);
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memcpy(buffer, m_impl->characters(), m_impl->length());
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return String(move(*impl));
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}
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String String::substring(size_t start, size_t length) const
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{
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if (!length)
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return String::empty();
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VERIFY(m_impl);
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VERIFY(!Checked<size_t>::addition_would_overflow(start, length));
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VERIFY(start + length <= m_impl->length());
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return { characters() + start, length };
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}
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String String::substring(size_t start) const
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{
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VERIFY(m_impl);
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VERIFY(start <= length());
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return { characters() + start, length() - start };
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}
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StringView String::substring_view(size_t start, size_t length) const
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{
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VERIFY(m_impl);
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VERIFY(!Checked<size_t>::addition_would_overflow(start, length));
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VERIFY(start + length <= m_impl->length());
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return { characters() + start, length };
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}
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StringView String::substring_view(size_t start) const
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{
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VERIFY(m_impl);
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VERIFY(start <= length());
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return { characters() + start, length() - start };
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}
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Vector<String> String::split(char separator, SplitBehavior split_behavior) const
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{
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return split_limit(separator, 0, split_behavior);
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}
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Vector<String> String::split_limit(char separator, size_t limit, SplitBehavior split_behavior) const
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{
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if (is_empty())
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return {};
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Vector<String> v;
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size_t substart = 0;
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bool keep_empty = has_flag(split_behavior, SplitBehavior::KeepEmpty);
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bool keep_separator = has_flag(split_behavior, SplitBehavior::KeepTrailingSeparator);
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for (size_t i = 0; i < length() && (v.size() + 1) != limit; ++i) {
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char ch = characters()[i];
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if (ch == separator) {
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size_t sublen = i - substart;
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if (sublen != 0 || keep_empty)
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v.append(substring(substart, keep_separator ? sublen + 1 : sublen));
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substart = i + 1;
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}
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}
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size_t taillen = length() - substart;
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if (taillen != 0 || keep_empty)
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v.append(substring(substart, taillen));
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return v;
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}
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Vector<StringView> String::split_view(Function<bool(char)> separator, SplitBehavior split_behavior) const
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{
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if (is_empty())
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return {};
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Vector<StringView> v;
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size_t substart = 0;
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bool keep_empty = has_flag(split_behavior, SplitBehavior::KeepEmpty);
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bool keep_separator = has_flag(split_behavior, SplitBehavior::KeepTrailingSeparator);
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for (size_t i = 0; i < length(); ++i) {
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char ch = characters()[i];
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if (separator(ch)) {
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size_t sublen = i - substart;
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if (sublen != 0 || keep_empty)
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v.append(substring_view(substart, keep_separator ? sublen + 1 : sublen));
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substart = i + 1;
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}
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}
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size_t taillen = length() - substart;
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if (taillen != 0 || keep_empty)
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v.append(substring_view(substart, taillen));
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return v;
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}
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Vector<StringView> String::split_view(char const separator, SplitBehavior split_behavior) const
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{
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return split_view([separator](char ch) { return ch == separator; }, split_behavior);
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}
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ByteBuffer String::to_byte_buffer() const
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{
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if (!m_impl)
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return {};
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// FIXME: Handle OOM failure.
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return ByteBuffer::copy(bytes()).release_value_but_fixme_should_propagate_errors();
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}
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template<typename T>
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Optional<T> String::to_int(TrimWhitespace trim_whitespace) const
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{
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return StringUtils::convert_to_int<T>(view(), trim_whitespace);
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}
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template Optional<i8> String::to_int(TrimWhitespace) const;
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template Optional<i16> String::to_int(TrimWhitespace) const;
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template Optional<i32> String::to_int(TrimWhitespace) const;
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template Optional<i64> String::to_int(TrimWhitespace) const;
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template<typename T>
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Optional<T> String::to_uint(TrimWhitespace trim_whitespace) const
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{
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return StringUtils::convert_to_uint<T>(view(), trim_whitespace);
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}
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template Optional<u8> String::to_uint(TrimWhitespace) const;
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template Optional<u16> String::to_uint(TrimWhitespace) const;
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template Optional<u32> String::to_uint(TrimWhitespace) const;
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template Optional<unsigned long> String::to_uint(TrimWhitespace) const;
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template Optional<unsigned long long> String::to_uint(TrimWhitespace) const;
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#ifndef KERNEL
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Optional<double> String::to_double(TrimWhitespace trim_whitespace) const
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{
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return StringUtils::convert_to_floating_point<double>(*this, trim_whitespace);
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}
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Optional<float> String::to_float(TrimWhitespace trim_whitespace) const
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{
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return StringUtils::convert_to_floating_point<float>(*this, trim_whitespace);
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}
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#endif
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bool String::starts_with(StringView str, CaseSensitivity case_sensitivity) const
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{
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return StringUtils::starts_with(*this, str, case_sensitivity);
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}
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bool String::starts_with(char ch) const
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{
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if (is_empty())
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return false;
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return characters()[0] == ch;
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}
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bool String::ends_with(StringView str, CaseSensitivity case_sensitivity) const
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{
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return StringUtils::ends_with(*this, str, case_sensitivity);
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}
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bool String::ends_with(char ch) const
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{
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if (is_empty())
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return false;
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return characters()[length() - 1] == ch;
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}
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String String::repeated(char ch, size_t count)
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{
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if (!count)
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return empty();
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char* buffer;
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auto impl = StringImpl::create_uninitialized(count, buffer);
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memset(buffer, ch, count);
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return *impl;
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}
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String String::repeated(StringView string, size_t count)
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{
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if (!count || string.is_empty())
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return empty();
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char* buffer;
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auto impl = StringImpl::create_uninitialized(count * string.length(), buffer);
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for (size_t i = 0; i < count; i++)
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__builtin_memcpy(buffer + i * string.length(), string.characters_without_null_termination(), string.length());
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return *impl;
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}
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String String::bijective_base_from(size_t value, unsigned base, StringView map)
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{
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if (map.is_null())
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map = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"sv;
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VERIFY(base >= 2 && base <= map.length());
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// The '8 bits per byte' assumption may need to go?
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Array<char, round_up_to_power_of_two(sizeof(size_t) * 8 + 1, 2)> buffer;
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size_t i = 0;
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do {
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buffer[i++] = map[value % base];
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value /= base;
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} while (value > 0);
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// NOTE: Weird as this may seem, the thing that comes after 'Z' is 'AA', which as a number would be '00'
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// to make this work, only the most significant digit has to be in a range of (1..25) as opposed to (0..25),
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// but only if it's not the only digit in the string.
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if (i > 1)
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--buffer[i - 1];
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for (size_t j = 0; j < i / 2; ++j)
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swap(buffer[j], buffer[i - j - 1]);
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return String { ReadonlyBytes(buffer.data(), i) };
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}
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String String::roman_number_from(size_t value)
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{
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if (value > 3999)
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return String::number(value);
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StringBuilder builder;
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while (value > 0) {
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if (value >= 1000) {
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builder.append('M');
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value -= 1000;
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} else if (value >= 900) {
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builder.append("CM"sv);
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value -= 900;
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} else if (value >= 500) {
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builder.append('D');
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value -= 500;
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} else if (value >= 400) {
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builder.append("CD"sv);
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value -= 400;
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} else if (value >= 100) {
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builder.append('C');
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value -= 100;
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} else if (value >= 90) {
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builder.append("XC"sv);
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value -= 90;
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} else if (value >= 50) {
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builder.append('L');
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value -= 50;
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} else if (value >= 40) {
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builder.append("XL"sv);
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value -= 40;
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} else if (value >= 10) {
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builder.append('X');
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value -= 10;
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} else if (value == 9) {
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builder.append("IX"sv);
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value -= 9;
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} else if (value >= 5 && value <= 8) {
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builder.append('V');
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value -= 5;
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} else if (value == 4) {
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builder.append("IV"sv);
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value -= 4;
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} else if (value <= 3) {
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builder.append('I');
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value -= 1;
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}
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}
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return builder.to_string();
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}
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bool String::matches(StringView mask, Vector<MaskSpan>& mask_spans, CaseSensitivity case_sensitivity) const
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{
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return StringUtils::matches(*this, mask, case_sensitivity, &mask_spans);
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}
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bool String::matches(StringView mask, CaseSensitivity case_sensitivity) const
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{
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return StringUtils::matches(*this, mask, case_sensitivity);
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}
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bool String::contains(StringView needle, CaseSensitivity case_sensitivity) const
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{
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return StringUtils::contains(*this, needle, case_sensitivity);
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}
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bool String::contains(char needle, CaseSensitivity case_sensitivity) const
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{
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return StringUtils::contains(*this, StringView(&needle, 1), case_sensitivity);
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}
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bool String::equals_ignoring_case(StringView other) const
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{
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return StringUtils::equals_ignoring_case(view(), other);
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}
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String String::reverse() const
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{
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StringBuilder reversed_string(length());
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for (size_t i = length(); i-- > 0;) {
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reversed_string.append(characters()[i]);
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}
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return reversed_string.to_string();
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}
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String escape_html_entities(StringView html)
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{
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StringBuilder builder;
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for (size_t i = 0; i < html.length(); ++i) {
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if (html[i] == '<')
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builder.append("<"sv);
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else if (html[i] == '>')
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builder.append(">"sv);
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else if (html[i] == '&')
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builder.append("&"sv);
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else if (html[i] == '"')
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builder.append("""sv);
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else
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builder.append(html[i]);
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}
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return builder.to_string();
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}
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String::String(FlyString const& string)
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: m_impl(string.impl())
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{
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}
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String String::to_lowercase() const
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{
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if (!m_impl)
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return {};
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return m_impl->to_lowercase();
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}
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String String::to_uppercase() const
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{
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if (!m_impl)
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return {};
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return m_impl->to_uppercase();
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}
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String String::to_snakecase() const
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{
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return StringUtils::to_snakecase(*this);
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}
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String String::to_titlecase() const
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{
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return StringUtils::to_titlecase(*this);
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}
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String String::invert_case() const
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{
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return StringUtils::invert_case(*this);
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}
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bool String::operator==(char const* cstring) const
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{
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return view() == cstring;
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}
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InputStream& operator>>(InputStream& stream, String& string)
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{
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StringBuilder builder;
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for (;;) {
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char next_char;
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stream >> next_char;
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if (stream.has_any_error()) {
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stream.set_fatal_error();
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string = nullptr;
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return stream;
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}
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if (next_char) {
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builder.append(next_char);
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} else {
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string = builder.to_string();
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return stream;
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}
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}
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}
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String String::vformatted(StringView fmtstr, TypeErasedFormatParams& params)
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{
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StringBuilder builder;
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MUST(vformat(builder, fmtstr, params));
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return builder.to_string();
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}
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Vector<size_t> String::find_all(StringView needle) const
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{
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return StringUtils::find_all(*this, needle);
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}
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}
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