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#include <AK/PrintfImplementation.h>
#include <AK/StdLibExtras.h>
#include <KBufferBuilder.h>
#include <stdarg.h>
inline bool KBufferBuilder::can_append(size_t size) const
{
bool has_space = ((m_size + size) < m_buffer.size());
ASSERT(has_space);
return has_space;
}
KBuffer KBufferBuilder::build()
{
m_buffer.set_size(m_size);
return m_buffer;
}
KBufferBuilder::KBufferBuilder()
: m_buffer(KBuffer::create_with_size(1048576 * 4))
{
}
void KBufferBuilder::append(const StringView& str)
{
if (str.is_empty())
return;
if (!can_append(str.length()))
return;
memcpy(insertion_ptr(), str.characters_without_null_termination(), str.length());
m_size += str.length();
}
void KBufferBuilder::append(const char* characters, int length)
{
if (!length)
return;
if (!can_append(length))
return;
memcpy(insertion_ptr() + m_size, characters, length);
m_size += length;
}
void KBufferBuilder::append(char ch)
{
if (!can_append(1))
return;
insertion_ptr()[0] = ch;
m_size += 1;
}
void KBufferBuilder::appendvf(const char* fmt, va_list ap)
{
printf_internal([this](char*&, char ch) {
append(ch);
},
nullptr, fmt, ap);
}
void KBufferBuilder::appendf(const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
appendvf(fmt, ap);
va_end(ap);
}
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