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Adobe Graphics & Publishing SDK 1996 December
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Adobe Graphics & Publishing SDK 1996 December.iso
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PageMaker 6.5 SDK Mac
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PageMakerClassLibrary
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LowLevel
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PRequestBuf.cpp
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1996-09-05
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/*
*--- PRequestBuf.cpp -----------------------------------------------------
* Copyright (c) 1995-96 Adobe Systems Incorporated. All rights reserved.
* Created on Thu, Oct 19, 1995 @ 8:17 PM by Paul Ferguson.
*
* Description: For notes about this class, refer to the
* header file PRequestBuf.h
*------------------------------------------------------------------------
*/
//#include "PageMakerMemory.h"
#include "PMCQErrs.h"
#include "CIBasic.h"
#include "CIInterfaceManager.h"
#include "PMInterfaceIDs.h"
extern PMMessage * gPMMessage;
#include "PRequestBuf.h"
PRequestBuf::PRequestBuf(size_t bufSize) throw (PMErr)
: bufHdl(0)
{
CIBasic * basicInterface;
gPMMessage->pInterfaceMgr->AcquirePMInterface((unsigned long)PMIID_BASIC, (void **) &basicInterface);
bufPtr = (char *) basicInterface->PMMemAlloc(bufSize);
gPMMessage->pInterfaceMgr->ReleasePMInterface(basicInterface);
if (bufPtr == NULL)
throw CQ_FAILURE;
curCh = bufPtr;
}
PRequestBuf::PRequestBuf(void * h)
: bufHdl(0), bufPtr((char *) h)
{
curCh = bufPtr;
}
PRequestBuf::~PRequestBuf()
{
if (bufPtr)
{
CIBasic * basicInterface;
gPMMessage->pInterfaceMgr->AcquirePMInterface((unsigned long)PMIID_BASIC, (void **) &basicInterface);
basicInterface->PMMemFree(bufPtr);
gPMMessage->pInterfaceMgr->ReleasePMInterface(basicInterface);
}
}
PRequestBuf& PRequestBuf::operator<< (short aShort)
{
*((short *) curCh) = aShort;
curCh += 2;
return *this;
}
PRequestBuf& PRequestBuf::operator<< (unsigned short aShort)
{
*(unsigned short *) curCh = aShort;
curCh += 2;
return *this;
}
PRequestBuf& PRequestBuf::operator<< (long aLong)
{
*(long *) curCh = aLong;
curCh += 4;
return *this;
}
PRequestBuf& PRequestBuf::operator<< (unsigned long aLong)
{
*(unsigned long *) curCh = aLong;
curCh += 4;
return *this;
}
PRequestBuf& PRequestBuf::operator<< (const char * aString)
{
if (aString)
{
register char * dest = curCh;
register const char * src = aString;
while (*dest++ = *src++) // copy string, and null terminator
;
if (long(dest) & 0x01) ++dest; // make sure have even alignment
curCh = dest;
}
else
{
*curCh++ = '\0';
*curCh++ = '\0';
}
return *this;
}
PRequestBuf& PRequestBuf::operator<< (const unsigned char * aString) // A Pascal string
{
if (aString)
{
register unsigned char * dest = (unsigned char *) curCh;
register const unsigned char * src = aString;
register size_t strLen = *src++; // Get length byte
while ( (strLen--) && (*dest++ = *src++) )
; // copy string, and null terminator
*dest++ = '\0';
if (long(dest) & 0x01) ++dest; // make sure have even alignment
curCh = (char *) dest;
}
else
{
*curCh++ = '\0';
*curCh++ = '\0';
}
return *this;
}
PRequestBuf& PRequestBuf::operator<< (PRequestBuf& aBuf)
{
if (&aBuf == this) return *this; // don't copy onto self.
register size_t size = aBuf.Size();
register const char * src = aBuf; // start of its buffer
register char * dest = curCh;
while (size--)
*dest++ = *src++;
curCh += aBuf.Size();
return *this;
}
// end of PRequestBuf.cpp