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changes for MS VISC++

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This commit is contained in:
Jeff Hill
1996-09-04 20:58:18 +00:00
parent 289302f603
commit 77fc9734b1
1 changed files with 64 additions and 42 deletions
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106
src/gdd/gddAppFuncTable.h
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@@ -29,6 +29,9 @@
*
* History
* $Log$
* Revision 1.2 1996/08/13 23:13:35 jhill
* win NT changes
*
* Revision 1.1 1996/07/10 23:44:12 jhill
* moved here from src/cas/generic
*
@@ -67,7 +70,13 @@ template <class PV>
class gddAppFuncTable {
public:
gddAppFuncTable();
gddAppFuncTable() : pMFuncRead(NULL), appTableNElem(0u) {}
~gddAppFuncTable()
{
if (this->pMFuncRead) {
delete [] this->pMFuncRead;
}
}
//
// typedef for the app read function to be called
@@ -76,23 +85,28 @@ public:
//
// installReadFunc()
// (g++ gags when these are coded outside the class def?)
//
gddAppFuncTableStatus installReadFunc(const unsigned type, gddAppReadFunc pMFuncIn)
gddAppFuncTableStatus installReadFunc(const unsigned type,
gddAppReadFunc pMFuncIn)
{
//
// Attempt to expand the table if the app type will not fit
//
if (type>=this->maxAppType) {
if (type>=this->appTableNElem) {
this->newTbl(type);
if (type>=this->maxAppType) {
if (type>=this->appTableNElem) {
return S_gddAppFuncTable_noMemory;
}
}
this->pMFuncRead[type]=pMFuncIn;
return S_gddAppFuncTable_Success;
}
gddAppFuncTableStatus installReadFunc(const char * const pName, gddAppReadFunc pMFuncIn)
//
// installReadFunc()
//
gddAppFuncTableStatus installReadFunc(const char * const pName,
gddAppReadFunc pMFuncIn)
{
aitUint32 type;
gddStatus rc;
@@ -114,6 +128,7 @@ public:
//
//
gddAppFuncTableStatus read(PV &pv, gdd &value);
gddAppFuncTableStatus callReadFunc (PV &pv, gdd &value);
private:
//
@@ -122,23 +137,11 @@ private:
// expansion of the table)
//
gddAppReadFunc *pMFuncRead;
unsigned maxAppType;
unsigned appTableNElem;
void newTbl(unsigned neMaxType);
};
//
// gddAppFuncTable<PV>::gddAppFuncTable()
//
// The total number of application tags to manage should be
// hidden from the application
//
template <class PV>
inline gddAppFuncTable<PV>::gddAppFuncTable() :
pMFuncRead(NULL),
maxAppType(0u)
{
}
//
// gddAppFuncTable<PV>::newTbl()
@@ -151,35 +154,46 @@ inline void gddAppFuncTable<PV>::newTbl(unsigned newApplTypeMax)
{
gddAppReadFunc *pMNewFuncTbl;
unsigned maxApp;
unsigned i;
if(this->maxAppType>=newApplTypeMax) {
if (this->appTableNElem>newApplTypeMax) {
return;
}
maxApp = newApplTypeMax+(1u<<6u);
pMNewFuncTbl = new gddAppReadFunc[maxApp];
#ifdef _MSC_VER
//
// Right now all MS Visual C++ compilers allocate the
// wrong amount of memory (i.e. too little)
// for member function pointers,
// only explicit calculation via sizeof() works.
// For future versions this may become "if _MSC_VER < ???"...
//
pMNewFuncTbl = (gddAppReadFunc *)
new char[sizeof(gddAppReadFunc) * maxApp];
#else
pMNewFuncTbl = new gddAppReadFunc[maxApp];
#endif
if (pMNewFuncTbl) {
if (this->pMFuncRead) {
memcpy( pMNewFuncTbl,
this->pMFuncRead,
this->maxAppType*sizeof(*pMNewFuncTbl));
delete [] this->pMFuncRead;
memset(&pMNewFuncTbl[this->maxAppType], 0,
(maxApp-this->maxAppType) *
sizeof(*pMNewFuncTbl));
for (i=0u; i<maxApp; i++) {
if (i<this->appTableNElem) {
pMNewFuncTbl[i] = this->pMFuncRead[i];
}
else {
//
// some versions of NULL include (void *) cast
// (so I am using vanilla zero here)
//
pMNewFuncTbl[i] = 0;
}
}
else {
memset(pMNewFuncTbl, 0,
maxApp * sizeof(*pMNewFuncTbl));
if (this->pMFuncRead) {
delete [] this->pMFuncRead;
}
this->pMFuncRead = pMNewFuncTbl;
this->maxAppType = maxApp;
this->appTableNElem = maxApp;
}
}
//
// gddAppFuncTable<PV>::installReadFunc()
//
//
// gddAppFuncTable<PV>::read()
@@ -191,8 +205,6 @@ template <class PV>
inline gddAppFuncTableStatus gddAppFuncTable<PV>::read(PV &pv, gdd &value)
{
gddAppFuncTableStatus status;
gddAppReadFunc pFunc;
unsigned type;
//
// if this gdd is a container then step through it
@@ -213,13 +225,24 @@ inline gddAppFuncTableStatus gddAppFuncTable<PV>::read(PV &pv, gdd &value)
}
return status;
}
return callReadFunc(pv, value);
}
//
// gddAppFuncTable<PV>::callReadFunc()
//
template <class PV>
inline gddAppFuncTableStatus gddAppFuncTable<PV>::callReadFunc (PV &pv, gdd &value)
{
unsigned type = value.applicationType();
gddAppReadFunc pFunc;
//
// otherwise call the function associated
// with this application type
//
type = value.applicationType();
if (type>=this->maxAppType) {
if (type>=this->appTableNElem) {
errPrintf (S_gddAppFuncTable_badType, __FILE__,
__LINE__, "- large appl type code = %u\n",
type);
@@ -232,7 +255,6 @@ inline gddAppFuncTableStatus gddAppFuncTable<PV>::read(PV &pv, gdd &value)
type);
return S_gddAppFuncTable_badType;
}
status = (pv.*pFunc)(value);
return status;
return (pv.*pFunc)(value);
}