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Reduce dependence on STL.

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This commit is contained in:
Andreas Kling 2018-10-16 12:10:01 +02:00
parent 0c1a4e8de3
commit fd708a4cb1
8 changed files with 48 additions and 34 deletions
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16
AK/StringImpl.cpp
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@ -17,12 +17,12 @@ StringImpl::~StringImpl()
{
}
static inline size_t allocationSizeForStringImpl(unsigned length)
static inline size_t allocationSizeForStringImpl(size_t length)
{
return sizeof(StringImpl) + (sizeof(char) * length) + sizeof(char);
}
RetainPtr<StringImpl> StringImpl::createUninitialized(unsigned length, char*& buffer)
RetainPtr<StringImpl> StringImpl::createUninitialized(size_t length, char*& buffer)
{
if (!length)
return theEmptyStringImpl();
@ -89,7 +89,7 @@ RetainPtr<StringImpl> StringImpl::toLowercase() const
if (!m_length)
return const_cast<StringImpl*>(this);
for (unsigned i = 0; i < m_length; ++i) {
for (size_t i = 0; i < m_length; ++i) {
if (!isASCIILowercase(m_characters[i]))
goto slowPath;
}
@ -98,9 +98,8 @@ RetainPtr<StringImpl> StringImpl::toLowercase() const
slowPath:
char* buffer;
auto lowercased = createUninitialized(m_length, buffer);
for (unsigned i = 0; i < m_length; ++i) {
for (size_t i = 0; i < m_length; ++i)
buffer[i] = toASCIILowercase(m_characters[i]);
}
return lowercased;
}
@ -110,7 +109,7 @@ RetainPtr<StringImpl> StringImpl::toUppercase() const
if (!m_length)
return const_cast<StringImpl*>(this);
for (unsigned i = 0; i < m_length; ++i) {
for (size_t i = 0; i < m_length; ++i) {
if (!isASCIIUppercase(m_characters[i]))
goto slowPath;
}
@ -119,9 +118,8 @@ RetainPtr<StringImpl> StringImpl::toUppercase() const
slowPath:
char* buffer;
auto uppercased = createUninitialized(m_length, buffer);
for (unsigned i = 0; i < m_length; ++i) {
for (size_t i = 0; i < m_length; ++i)
buffer[i] = toASCIIUppercase(m_characters[i]);
}
return uppercased;
}
@ -132,7 +130,7 @@ void StringImpl::computeHash() const
m_hash = 0;
} else {
unsigned hash = 0;
for (unsigned i = 0; i < m_length; ++i) {
for (size_t i = 0; i < m_length; ++i) {
hash += m_characters[i];
hash += (hash << 10);
hash ^= (hash >> 6);