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Take advantage of plString more in hsStream's String I/O functions

Michael Hansen 12 years ago
parent
commit
1b57055fd3
  1. 154
      Sources/Plasma/CoreLib/hsStream.cpp
  2. 7
      Sources/Plasma/CoreLib/hsStream.h

154
Sources/Plasma/CoreLib/hsStream.cpp

@ -112,17 +112,6 @@ void hsStream::CopyToMem(void* mem)
//////////////////////////////////////////////////////////////////////////////////
hsStream::~hsStream()
{
}
uint32_t hsStream::WriteString(const char cstring[])
{
if (cstring)
return Write(strlen(cstring), cstring);
return 0;
}
uint32_t hsStream::WriteFmt(const char * fmt, ...)
{
va_list av;
@ -159,64 +148,81 @@ uint32_t hsStream::WriteSafeStringLong(const plString &string)
uint32_t hsStream::WriteSafeWStringLong(const plString &string)
{
plStringBuffer<wchar_t> wbuff = string.ToWchar();
plStringBuffer<uint16_t> wbuff = string.ToUtf16();
uint32_t len = wbuff.GetSize();
WriteLE32(len);
if (len > 0)
{
const wchar_t *buffp = wbuff.GetData();
const uint16_t *buffp = wbuff.GetData();
for (uint32_t i=0; i<len; i++)
{
WriteLE16((uint16_t)~buffp[i]);
WriteLE16(~buffp[i]);
}
WriteLE16((uint16_t)L'\0');
WriteLE16(static_cast<uint16_t>(0));
}
return 0;
}
char *hsStream::ReadSafeStringLong()
plString hsStream::ReadSafeStringLong_TEMP()
{
char *name = nil;
plStringBuffer<char> name;
uint32_t numChars = ReadLE32();
if (numChars > 0 && numChars <= GetSizeLeft())
{
name = new char[numChars+1];
Read(numChars, name);
name[numChars] = '\0';
char *buff = name.CreateWritableBuffer(numChars);
Read(numChars, buff);
buff[numChars] = 0;
// if the high bit is set, flip the bits. Otherwise it's a normal string, do nothing.
if (name[0] & 0x80)
if (buff[0] & 0x80)
{
int i;
for (i = 0; i < numChars; i++)
name[i] = ~name[i];
for (int i = 0; i < numChars; i++)
buff[i] = ~buff[i];
}
}
return name;
}
wchar_t *hsStream::ReadSafeWStringLong()
char *hsStream::ReadSafeStringLong()
{
wchar_t *retVal = nil;
plString name = ReadSafeStringLong_TEMP();
char *buff = new char[name.GetSize() + 1];
memcpy(buff, name.c_str(), name.GetSize() + 1);
return buff;
}
plString hsStream::ReadSafeWStringLong_TEMP()
{
plStringBuffer<uint16_t> retVal;
uint32_t numChars = ReadLE32();
if (numChars > 0 && numChars <= (GetSizeLeft()/2)) // divide by two because each char is two bytes
{
retVal = new wchar_t[numChars+1];
int i;
for (i=0; i<numChars; i++)
retVal[i] = (wchar_t)ReadLE16();
retVal[numChars] = (wchar_t)ReadLE16(); // we wrote the null out, read it back in
uint16_t *buff = retVal.CreateWritableBuffer(numChars);
for (int i=0; i<numChars; i++)
buff[i] = ReadLE16();
ReadLE16(); // we wrote the null out, read it back in
buff[numChars] = 0; // But terminate it safely anyway
if (retVal[0]* 0x80)
if (buff[0]* 0x80)
{
int i;
for (i=0; i<numChars; i++)
retVal[i] = ~retVal[i];
for (int i=0; i<numChars; i++)
buff[i] = ~buff[i];
}
}
return retVal;
return plString::FromUtf16(retVal);
}
wchar_t *hsStream::ReadSafeWStringLong()
{
// Horribly inefficient (convert to UTF-8 and then back to UTF-16), which
// is why this should go away completely after plString has taken over
// the world^H^H^H^H^HPlasma
plStringBuffer<wchar_t> retVal = ReadSafeWStringLong_TEMP().ToWchar();
wchar_t *buff = new wchar_t[retVal.GetSize() + 1];
memcpy(buff, retVal.GetData(), retVal.GetSize() + 1);
return buff;
}
uint32_t hsStream::WriteSafeString(const plString &string)
@ -242,27 +248,27 @@ uint32_t hsStream::WriteSafeString(const plString &string)
uint32_t hsStream::WriteSafeWString(const plString &string)
{
plStringBuffer<wchar_t> wbuff = string.ToWchar();
plStringBuffer<uint16_t> wbuff = string.ToUtf16();
uint32_t len = wbuff.GetSize();
hsAssert(len<0xf000, xtl::format("string len of %d is too long for WriteSafeWString, use WriteSafeWStringLong",
hsAssert(len<0xf000, plString::Format("string len of %d is too long for WriteSafeWString, use WriteSafeWStringLong",
len).c_str() );
WriteLE16(len | 0xf000);
if (len > 0)
{
const wchar_t *buffp = wbuff.GetData();
const uint16_t *buffp = wbuff.GetData();
for (uint32_t i=0; i<len; i++)
{
WriteLE16((uint16_t)~buffp[i]);
WriteLE16(~buffp[i]);
}
WriteLE16((uint16_t)L'\0');
WriteLE16(static_cast<uint16_t>(0));
}
return 0;
}
char *hsStream::ReadSafeString()
plString hsStream::ReadSafeString_TEMP()
{
char *name = nil;
plStringBuffer<char> name;
uint16_t numChars = ReadLE16();
#ifndef REMOVE_ME_SOON
@ -276,62 +282,64 @@ char *hsStream::ReadSafeString()
hsAssert(numChars <= GetSizeLeft(), "Bad string");
if (numChars > 0 && numChars <= GetSizeLeft())
{
name = new char[numChars+1];
Read(numChars, name);
name[numChars] = '\0';
char *buff = name.CreateWritableBuffer(numChars);
Read(numChars, buff);
buff[numChars] = 0;
// if the high bit is set, flip the bits. Otherwise it's a normal string, do nothing.
if (name[0] & 0x80)
if (buff[0] & 0x80)
{
int i;
for (i = 0; i < numChars; i++)
name[i] = ~name[i];
buff[i] = ~buff[i];
}
}
return name;
}
wchar_t *hsStream::ReadSafeWString()
char *hsStream::ReadSafeString()
{
wchar_t *retVal = nil;
plString name = ReadSafeString_TEMP();
char *buff = new char[name.GetSize() + 1];
memcpy(buff, name.c_str(), name.GetSize() + 1);
return buff;
}
plString hsStream::ReadSafeWString_TEMP()
{
plStringBuffer<uint16_t> retVal;
uint32_t numChars = ReadLE16();
numChars &= ~0xf000;
hsAssert(numChars <= GetSizeLeft()/2, "Bad string");
if (numChars > 0 && numChars <= (GetSizeLeft()/2)) // divide by two because each char is two bytes
{
retVal = new wchar_t[numChars+1];
int i;
for (i=0; i<numChars; i++)
retVal[i] = (wchar_t)ReadLE16();
retVal[numChars] = (wchar_t)ReadLE16(); // we wrote the null out, read it back in
uint16_t *buff = retVal.CreateWritableBuffer(numChars);
for (int i=0; i<numChars; i++)
buff[i] = ReadLE16();
ReadLE16(); // we wrote the null out, read it back in
buff[numChars] = 0; // But terminate it safely anyway
if (retVal[0]* 0x80)
if (buff[0]* 0x80)
{
int i;
for (i=0; i<numChars; i++)
retVal[i] = ~retVal[i];
for (int i=0; i<numChars; i++)
buff[i] = ~buff[i];
}
}
return retVal;
}
plString hsStream::ReadSafeString_TEMP()
{
char *buffer = ReadSafeString();
plString result = plString::FromIso8859_1(buffer);
delete [] buffer;
return result;
return plString::FromUtf16(retVal);
}
plString hsStream::ReadSafeWString_TEMP()
wchar_t *hsStream::ReadSafeWString()
{
wchar_t *wbuffer = ReadSafeWString();
plString result = plString::FromWchar(wbuffer);
delete [] wbuffer;
return result;
// Horribly inefficient (convert to UTF-8 and then back to UTF-16), which
// is why this should go away completely after plString has taken over
// the world^H^H^H^H^HPlasma
plStringBuffer<wchar_t> retVal = ReadSafeWString_TEMP().ToWchar();
wchar_t *buff = new wchar_t[retVal.GetSize() + 1];
memcpy(buff, retVal.GetData(), retVal.GetSize() + 1);
return buff;
}
bool hsStream::Read4Bytes(void *pv) // Virtual, faster version in sub classes

7
Sources/Plasma/CoreLib/hsStream.h

@ -81,7 +81,7 @@ protected:
bool IsTokenSeparator(char c);
public:
hsStream() : fBytesRead(0), fPosition(0) {}
virtual ~hsStream();
virtual ~hsStream() { }
virtual bool Open(const char *, const char * = "rb")=0;
virtual bool Open(const wchar_t *, const wchar_t * = L"rb")=0;
@ -123,8 +123,7 @@ public:
virtual void CopyToMem(void* mem);
virtual bool IsCompressed() { return false; }
uint32_t WriteString(const char cstring[]);
uint32_t WriteString(const plString & string) { return WriteString(string.c_str()); }
uint32_t WriteString(const plString & string) { return Write(string.GetSize(), string.c_str()); }
uint32_t WriteFmt(const char * fmt, ...);
uint32_t WriteFmtV(const char * fmt, va_list av);
@ -138,6 +137,8 @@ public:
char * ReadSafeString();
wchar_t * ReadSafeWString();
plString ReadSafeStringLong_TEMP();
plString ReadSafeWStringLong_TEMP();
plString ReadSafeString_TEMP();
plString ReadSafeWString_TEMP();

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