You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
771 lines
15 KiB
771 lines
15 KiB
//+-------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1993.
|
|
//
|
|
// File: dstream.cpp
|
|
//
|
|
// Contents: internal debugging support (debug stream which builds a string)
|
|
//
|
|
// Classes: dbgstream implementation
|
|
//
|
|
// Functions:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 09-Feb-95 t-ScottH author
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#include <le2int.h>
|
|
#include <stdio.h>
|
|
#include "dstream.h"
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: dbgstream, public (_DEBUG only)
|
|
//
|
|
// Synopsis: constructor
|
|
//
|
|
// Effects: initializes and allocates buffer
|
|
//
|
|
// Arguments: [dwSize] - size of initial buffer to allocate
|
|
//
|
|
// Requires:
|
|
//
|
|
// Returns:
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream::dbgstream(SIZE_T stSize)
|
|
{
|
|
init();
|
|
allocate(stSize);
|
|
if (m_stBufSize)
|
|
{
|
|
m_pszBuf[0] = '\0';
|
|
}
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: dbgstream, public (_DEBUG only)
|
|
//
|
|
// Synopsis: constructor
|
|
//
|
|
// Effects: initializes and allocates buffer
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Requires: DEFAULT_INITAL_ALLOC
|
|
//
|
|
// Returns:
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
// allocate the buffer with the default initial size
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream::dbgstream()
|
|
{
|
|
init();
|
|
allocate(DEFAULT_INITIAL_ALLOC);
|
|
if (m_stBufSize)
|
|
{
|
|
m_pszBuf[0] = '\0';
|
|
}
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: ~dbgstream, public (_DEBUG only)
|
|
//
|
|
// Synopsis: destructor
|
|
//
|
|
// Effects: frees the string if m_fFrozen == FALSE
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Requires:
|
|
//
|
|
// Returns:
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies: frees the character array
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
// we only want to free the string if it has not been passed off externally
|
|
// using the str() method
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream::~dbgstream()
|
|
{
|
|
if (m_fFrozen == FALSE)
|
|
{
|
|
free();
|
|
}
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: init, private (_DEBUG only)
|
|
//
|
|
// Synopsis: initializes the data members
|
|
//
|
|
// Effects: initializes radix to DEFAULT_RADIX,
|
|
// precision to DEFAULT_PRECISION decimal places
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Requires: DEFAULT_RADIX, DEFAULT_PRECISION
|
|
//
|
|
// Returns: void
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
void dbgstream::init()
|
|
{
|
|
m_stIndex = 0;
|
|
m_stBufSize = 0;
|
|
m_fFrozen = FALSE;
|
|
m_radix = DEFAULT_RADIX;
|
|
m_precision = DEFAULT_PRECISION;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: allocate, private (_DEBUG only)
|
|
//
|
|
// Synopsis: allocate the buffer
|
|
//
|
|
// Effects: if allocates fail, freeze the buffer
|
|
//
|
|
// Arguments: [dwSize] - size of buffer to allocate (in bytes)
|
|
//
|
|
// Requires: CoTaskMemRealloc
|
|
//
|
|
// Returns: void
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
void dbgstream::allocate(SIZE_T stSize)
|
|
{
|
|
m_pszBuf = (char *)CoTaskMemAlloc(stSize);
|
|
|
|
if (m_pszBuf == NULL)
|
|
{
|
|
m_fFrozen = TRUE;
|
|
}
|
|
else
|
|
{
|
|
m_stBufSize = stSize;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: free, private (_DEBUG only)
|
|
//
|
|
// Synopsis: frees the buffer (resets index and max size)
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: none
|
|
//
|
|
// Requires: CoTaskMemFree
|
|
//
|
|
// Returns: void
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
void dbgstream::free()
|
|
{
|
|
CoTaskMemFree(m_pszBuf);
|
|
m_stIndex = 0;
|
|
m_stBufSize = 0;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: reallocate, private (_DEBUG only)
|
|
//
|
|
// Synopsis: reallocates the buffer (keeps data intact), depending on
|
|
// current size this method will choose a growby size
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: none
|
|
//
|
|
// Requires: CoTaskMemRealloc, DEFAULT_GROWBY, DEFAULT_INITIAL_ALLOC
|
|
//
|
|
// Returns: void
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
// tried to make reallocation more efficient based upon current size
|
|
// (I don't know any of the mathematical theory :-)
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
void dbgstream::reallocate()
|
|
{
|
|
if (m_stBufSize < (DEFAULT_INITIAL_ALLOC * 2))
|
|
{
|
|
reallocate(DEFAULT_GROWBY);
|
|
}
|
|
else
|
|
{
|
|
reallocate(m_stBufSize/2);
|
|
}
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: reallocate, private (_DEBUG only)
|
|
//
|
|
// Synopsis: reallocate the buffer (keep data intact)
|
|
//
|
|
// Effects: if reallocation fails, freeze the buffer
|
|
//
|
|
// Arguments: [dwSize] - amount to grow buffer by
|
|
//
|
|
// Requires: CoTaskMemRealloc
|
|
//
|
|
// Returns: void
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
// new buffer size = m_stBufSize + stSize
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
void dbgstream::reallocate(SIZE_T stSize)
|
|
{
|
|
char *pszBuf;
|
|
|
|
pszBuf = (char *)CoTaskMemRealloc(m_pszBuf, m_stBufSize + stSize);
|
|
|
|
if (pszBuf != NULL)
|
|
{
|
|
m_pszBuf = pszBuf;
|
|
m_stBufSize += stSize;
|
|
}
|
|
else
|
|
{
|
|
m_fFrozen = TRUE;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: freeze, public (_DEBUG only)
|
|
//
|
|
// Synopsis: freeze the buffer by throwing the flag
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: none
|
|
//
|
|
// Requires:
|
|
//
|
|
// Returns: BOOL - whether buffer was frozen (we are alway successful)
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
BOOL dbgstream::freeze()
|
|
{
|
|
m_fFrozen = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: unfreeze, public (_DEBUG only)
|
|
//
|
|
// Synopsis: unfreeze the buffer
|
|
//
|
|
// Effects: if buffer size = 0, allocate the buffer
|
|
//
|
|
// Arguments: none
|
|
//
|
|
// Requires:
|
|
//
|
|
// Returns: BOOL - whether successful
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
// buffer may be frozen if no memory, so try to allocate buffer if NULL
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
BOOL dbgstream::unfreeze()
|
|
{
|
|
if (m_pszBuf == NULL)
|
|
{
|
|
allocate(DEFAULT_INITIAL_ALLOC);
|
|
if (m_pszBuf == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
m_fFrozen = FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: str, public (_DEBUG only)
|
|
//
|
|
// Synopsis: passes the string externally
|
|
//
|
|
// Effects: freezes buffer until unfreeze method is called
|
|
//
|
|
// Arguments: none
|
|
//
|
|
// Requires:
|
|
//
|
|
// Returns: char * - buffer
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
char * dbgstream::str()
|
|
{
|
|
m_fFrozen = TRUE;
|
|
return m_pszBuf;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: overloaded operator<<(int), public (_DEBUG only)
|
|
//
|
|
// Synopsis: put int into stream (store in character buffer)
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: [i] - integer to put in stream
|
|
//
|
|
// Requires: _itoa
|
|
//
|
|
// Returns: reference to dbgstream (current object)
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream& dbgstream::operator<<(int i)
|
|
{
|
|
// _itoa - fills up to 17 bytes
|
|
char szBuffer[20];
|
|
const int cch = sizeof(szBuffer) / sizeof(szBuffer[0]);
|
|
|
|
if (m_fFrozen == FALSE)
|
|
{
|
|
switch(m_radix)
|
|
{
|
|
case 16: _snprintf(szBuffer, cch, "%x", i); break;
|
|
case 8: _snprintf(szBuffer, cch, "%o", i); break;
|
|
default: _snprintf(szBuffer, cch, "%d", i); break;
|
|
}
|
|
szBuffer[cch - 1] = '\0';
|
|
|
|
return (operator<<(szBuffer));
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: overloaded operator<<(long), public (_DEBUG only)
|
|
//
|
|
// Synopsis: put long into stream (store in character buffer)
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: [l] - long to put in stream
|
|
//
|
|
// Requires: _ltoa
|
|
//
|
|
// Returns: reference to dbgstream (current object)
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream& dbgstream::operator<<(long l)
|
|
{
|
|
// _ltoa - up to 33 bytes
|
|
char szBuffer[35];
|
|
|
|
if (m_fFrozen == FALSE)
|
|
{
|
|
_ltoa(l, szBuffer, m_radix);
|
|
return (operator<<(szBuffer));
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: overloaded operator<<(unsigned long), public (_DEBUG only)
|
|
//
|
|
// Synopsis: put unsigned long into stream (store in character buffer)
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: [ul] - long to put in stream
|
|
//
|
|
// Requires: _ultoa
|
|
//
|
|
// Returns: reference to dbgstream (current object)
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream& dbgstream::operator<<(unsigned long ul)
|
|
{
|
|
// _ltoa - up to 33 bytes
|
|
char szBuffer[35];
|
|
|
|
if (m_fFrozen == FALSE)
|
|
{
|
|
_ultoa(ul, szBuffer, m_radix);
|
|
return (operator<<(szBuffer));
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: overloaded operator<<(const void *), public (_DEBUG only)
|
|
//
|
|
// Synopsis: put const void* into stream (store in character buffer)
|
|
//
|
|
// Effects: all pointers are inherently void*
|
|
//
|
|
// Arguments: [p] - void * to put in stream
|
|
//
|
|
// Requires: wsprintf
|
|
//
|
|
// Returns: reference to dbgstream (current object)
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
// wsprintf not most efficient, but easy for formatting
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream& dbgstream::operator<<(const void *p)
|
|
{
|
|
char szBuffer[19];
|
|
const int cch = (sizeof(szBuffer) / sizeof(szBuffer[0])) - 1;
|
|
|
|
if (m_fFrozen == FALSE)
|
|
{
|
|
_snprintf(szBuffer, cch, "0x%p", p);
|
|
szBuffer[cch-1] = '\0';
|
|
|
|
return (operator<<(szBuffer));
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: overloaded operator<<(const char *), public (_DEBUG only)
|
|
//
|
|
// Synopsis: put const char* into stream (store in character buffer)
|
|
//
|
|
// Effects:
|
|
//
|
|
// Arguments: [psz] - const char * to put in stream
|
|
//
|
|
// Requires:
|
|
//
|
|
// Returns: reference to dbgstream (current object)
|
|
//
|
|
// Signals:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// Derivation:
|
|
//
|
|
// Algorithm:
|
|
//
|
|
// History: dd-mmm-yy Author Comment
|
|
// 11-Feb-95 t-ScottH author
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef _DEBUG
|
|
|
|
dbgstream& dbgstream::operator<<(const char *psz)
|
|
{
|
|
int i;
|
|
|
|
// only if string is not frozen
|
|
if (m_fFrozen == FALSE)
|
|
{
|
|
for (i = 0; psz[i] != '\0'; i++)
|
|
{
|
|
if ((m_stIndex + i) >= (m_stBufSize - 2))
|
|
{
|
|
// if reallocate fails m_fFrozen is TRUE
|
|
reallocate();
|
|
if (m_fFrozen == TRUE)
|
|
{
|
|
return *this;
|
|
}
|
|
}
|
|
m_pszBuf[m_stIndex + i] = psz[i];
|
|
}
|
|
// ensure that always null terminated string
|
|
m_pszBuf[m_stIndex + i] = '\0';
|
|
m_stIndex += i;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
#endif // _DEBUG
|
|
|
|
|
|
|
|
|
|
|