added buffering to minimise GtkTextBuffer insert calls

git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@17 8a3a26a2-13c4-0310-b231-cf6edde360e5
This commit is contained in:
spog 2006-02-20 23:14:51 +00:00
parent eaad87408f
commit 8c19a03806
10 changed files with 111 additions and 73 deletions

View File

@ -36,28 +36,27 @@ template<typename InputStreamType, int SIZE = 1024>
class SingleByteInputStream
{
typedef typename InputStreamType::byte_type byte_type;
static const int BUFFERSIZE = SIZE;
InputStreamType& m_inputStream;
byte_type m_buffer[BUFFERSIZE];
byte_type m_buffer[SIZE];
byte_type* m_cur;
byte_type* m_end;
public:
SingleByteInputStream(InputStreamType& inputStream) : m_inputStream(inputStream), m_cur(m_buffer + BUFFERSIZE), m_end(m_cur)
SingleByteInputStream(InputStreamType& inputStream) : m_inputStream(inputStream), m_cur(m_buffer + SIZE), m_end(m_cur)
{
}
bool readByte(byte_type& b)
{
if(m_cur == m_end)
{
if(m_end != m_buffer + BUFFERSIZE)
if(m_end != m_buffer + SIZE)
{
return false;
}
m_end = m_buffer + m_inputStream.read(m_buffer, BUFFERSIZE);
m_end = m_buffer + m_inputStream.read(m_buffer, SIZE);
m_cur = m_buffer;
if(m_end == m_buffer)

View File

@ -128,6 +128,7 @@ if(!globalDebugMessageHandler().handleMessage()) { DEBUGGER_BREAKPOINT(); } else
#else
#define ASSERT_MESSAGE(condition, message)
#define ERROR_MESSAGE(message)
#define ASSERT_NOTNULL(ptr)
#endif

View File

@ -122,7 +122,7 @@ template<typename Type>
class StaticNodeType
{
public:
static const int SIZE = NODETYPEID_MAX;
enum unnamed0 { SIZE = NODETYPEID_MAX };
static TypeId getTypeId()
{
return Static< NodeType<Type> >::instance().getTypeId();
@ -161,10 +161,10 @@ namespace scene
class Node
{
public:
static const int eVisible = 0;
static const int eHidden = 1 << 0;
static const int eFiltered = 1 << 1;
static const int eExcluded = 1 << 2;
enum unnamed0 { eVisible = 0 };
enum unnamed1 { eHidden = 1 << 0 };
enum unnamed2 { eFiltered = 1 << 1 };
enum unnamed3 { eExcluded = 1 << 2 };
class Symbiot
{
@ -483,7 +483,7 @@ template<typename Type>
class StaticInstanceType
{
public:
static const int SIZE = INSTANCETYPEID_MAX;
enum unnamed0 { SIZE = INSTANCETYPEID_MAX };
static TypeId getTypeId()
{
return Static< InstanceType<Type> >::instance().getTypeId();

View File

@ -389,4 +389,87 @@ public:
}
};
/// \brief A wrapper for a TextOutputStream, optimised for writing a single character at a time.
class SingleCharacterOutputStream : public TextOutputStream
{
enum unnamed0 { m_bufsize = 1024 };
TextOutputStream& m_ostream;
char m_buffer[m_bufsize];
char* m_pos;
const char* m_end;
const char* end() const
{
return m_end;
}
void reset()
{
m_pos = m_buffer;
}
void flush()
{
m_ostream.write(m_buffer, m_pos - m_buffer);
reset();
}
public:
SingleCharacterOutputStream(TextOutputStream& ostream) : m_ostream(ostream), m_pos(m_buffer), m_end(m_buffer+m_bufsize)
{
}
~SingleCharacterOutputStream()
{
flush();
}
void write(const char c)
{
if(m_pos == end())
{
flush();
}
*m_pos++ = c;
}
std::size_t write(const char* buffer, std::size_t length)
{
const char*const end = buffer + length;
for(const char* p = buffer; p != end; ++p)
{
write(*p);
}
return length;
}
};
/// \brief A wrapper for a TextOutputStream, optimised for writing a few characters at a time.
template<typename TextOutputStreamType, int SIZE = 1024>
class BufferedTextOutputStream : public TextOutputStream
{
TextOutputStreamType outputStream;
char m_buffer[SIZE];
char* m_cur;
public:
BufferedTextOutputStream(TextOutputStreamType& outputStream) : outputStream(outputStream), m_cur(m_buffer)
{
}
~BufferedTextOutputStream()
{
outputStream.write(m_buffer, m_cur - m_buffer);
}
std::size_t write(const char* buffer, std::size_t length)
{
std::size_t remaining = length;
for(;;)
{
std::size_t n = std::min(remaining, std::size_t((m_buffer + SIZE) - m_cur));
m_cur = std::copy(buffer, buffer + n, m_cur);
remaining -= n;
if(remaining == 0)
{
return 0;
}
outputStream.write(m_buffer, SIZE);
m_cur = m_buffer;
}
}
};
#endif

View File

@ -201,7 +201,7 @@ public:
class XMLStreamParser : public XMLExporter
{
static const int BUFSIZE = 1024;
enum unnamed0 { BUFSIZE = 1024 };
public:
XMLStreamParser(TextInputStream& istream)
: m_istream(istream)

View File

@ -26,57 +26,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include <vector>
#include "xml/ixml.h"
class BufferedTextOutputStream : public TextOutputStream
{
static const int m_bufsize = 1024;
TextOutputStream& m_ostream;
char m_buffer[m_bufsize];
char* m_pos;
const char* m_end;
const char* end() const
{
return m_end;
}
void reset()
{
m_pos = m_buffer;
}
void flush()
{
m_ostream.write(m_buffer, m_pos - m_buffer);
reset();
}
public:
BufferedTextOutputStream(TextOutputStream& ostream) : m_ostream(ostream), m_pos(m_buffer), m_end(m_buffer+m_bufsize)
{
}
~BufferedTextOutputStream()
{
flush();
}
void write(const char c)
{
if(m_pos == end())
{
flush();
}
*m_pos++ = c;
}
std::size_t write(const char* buffer, std::size_t length)
{
const char*const end = buffer + length;
for(const char* p = buffer; p != end; ++p)
{
write(*p);
}
return length;
}
};
class XMLEntityOutputStream
{
BufferedTextOutputStream m_ostream;
SingleCharacterOutputStream m_ostream;
public:
XMLEntityOutputStream(TextOutputStream& ostream)
: m_ostream(ostream)

View File

@ -33,7 +33,7 @@ class DeflatedInputStream : public InputStream
{
InputStream& m_istream;
z_stream m_zipstream;
static const int m_bufsize = 1024;
enum unnamed0 { m_bufsize = 1024 };
unsigned char m_buffer[m_bufsize];
public:

View File

@ -206,15 +206,18 @@ std::size_t Sys_Print(int level, const char* buf, std::size_t length)
}
{
GtkTextBufferOutputStream textBuffer(buffer, &iter, tag);
if(!globalCharacterSet().isUTF8())
{
textBuffer << ConvertLocaleToUTF8(StringRange(buf, buf + length));
BufferedTextOutputStream<GtkTextBufferOutputStream> buffered(textBuffer);
buffered << ConvertLocaleToUTF8(StringRange(buf, buf + length));
}
else
{
textBuffer << StringRange(buf, buf + length);
}
}
// update console widget immediatly if we're doing something time-consuming
if(contains_newline)

View File

@ -60,7 +60,7 @@ public:
class RadiantUndoSystem : public UndoSystem
{
static const int MAX_UNDO_LEVELS = 1024;
INTEGER_CONSTANT(MAX_UNDO_LEVELS, 1024);
class Snapshot
{
@ -295,9 +295,9 @@ public:
}
void setLevels(std::size_t levels)
{
if(levels > MAX_UNDO_LEVELS)
if(levels > MAX_UNDO_LEVELS())
{
levels = MAX_UNDO_LEVELS;
levels = MAX_UNDO_LEVELS();
}
while(m_undo_stack.size() > levels)

View File

@ -58,7 +58,7 @@ struct message_info_t
int geometry_depth; // are we parsing some geometry information (i.e. do we forward the SAX calls?)
ISAXHandler* pGeometry; // the handler
static const int bufsize = 1024;
enum unnamed0 { bufsize = 1024 };
char m_buffer[bufsize];
std::size_t m_length;
};