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/*
* Plug-in opcodes for Csound.
* By Michael Gogins.
* 24 February 1997.
*/
#ifdef NEVER
#include <io.h>
#include <direct.h>
#include <windows.h>
#include "cs.h"
#include "OpcLoad.h"
/*
* References that may be used in opcode libraries.
*/
extern FUNC **flist;
extern OENTRY opcodlstBuiltin[];
extern long opcodeCount;
int csYield(void)
{
#ifdef WIN32
MSG Message;
while(PeekMessage(&Message, NULL, 0, 0, PM_REMOVE))
{
if(Message.message == WM_QUIT)
{
return FALSE;
}
TranslateMessage(&Message);
DispatchMessage(&Message);
}
#endif
return 0;
}
int opcodeCompare(const void *v1, const void *v2)
{
return strcmp(((OENTRY*)v1)->opname, ((OENTRY*)v2)->opname);
}
long csLibraryLoad(const char *libraryPath)
{
long library = 0;
#ifdef WIN32
library = (long) LoadLibrary(libraryPath);
#endif
return library;
}
long csLibraryProcedureAddressGet(long library,
const char *procedureName)
{
void *procedureAddress = NULL;
#ifdef WIN32
procedureAddress = GetProcAddress((HINSTANCE)library,
procedureName);
#endif
return (long) procedureAddress;
}
long csOpcodeLoad(const char* libraryPath)
{
long returnValue = 0;
long opcodeSubscript;
OENTRY entry;
OENTRY *pEntry = 0;
float functionSubscript = 1.0f;
csOpcodeRegisterType *pCsOpcodeRegister = NULL;
/*
* Load the opcode's shared library.
*/
long library = csLibraryLoad(libraryPath);
if(library == 0)
{
return CS_OPCODE_NOT_FOUND;
}
memset(&entry,
0,
sizeof(entry));
/*
* Get the address of the opcode's registration function.
*/
pCsOpcodeRegister =
(csOpcodeRegisterType *)csLibraryProcedureAddressGet(library,
"csOpcodeRegister");
if(pCsOpcodeRegister == NULL)
{
return CS_OPCODE_REGISTER_FAILED;
}
/*
* Iterate through and register all the opcodes in the library.
*/
for (opcodeSubscript = 0L;
returnValue = (*pCsOpcodeRegister)(opcodeSubscript,
&esr,
&ekr,
&ksmps,
&nchnls,
flist,
&entry);
++opcodeSubscript)
{
/*
* Increase the size of the opcode dispatch table.
*/
pEntry = mrealloc(opcodlst, sizeof(opcodlst[0]) * (opcodeCount + 1));
if(pEntry == NULL)
{
return CS_OUT_OF_MEMORY;
}
opcodlst = pEntry;
opcodeCount++;
oplstend = opcodlst + opcodeCount;
/*
* Copy the opcode entry buffer to the new entry in the dispatch table.
*/
memcpy(&opcodlst[opcodeCount - 1],
&entry,
sizeof(entry));
}
return returnValue;
}
long csOpcodeLoadAll(void)
{
long returnValue = 0;
char opcodeDirectory[MAX_PATH + 1];
char opcodePath[MAX_PATH + 1];
char drive[_MAX_DRIVE];
char dir[_MAX_DIR];
char *opcodeEnvironmentDirectory = NULL;
struct _finddata_t findData;
long search = 0;
/*
* Copy the builtin opcode dispatch table to
* the dynamic opcode dispatch table
* that will actually be used.
*/
int opcodlstSize = opcodeCount * sizeof(opcodlst[0]);
opcodlst = (OENTRY*) mmalloc(opcodlstSize);
if(opcodlst == NULL)
{
return CS_OUT_OF_MEMORY;
}
memcpy(&opcodlst[0],
&opcodlstBuiltin[0],
opcodlstSize);
oplstend = opcodlst + opcodlstSize;
/*
* Locate the opcode directory from the environment variable,
* if it exists.
* A breakpoint can be set here in debugging to test this.
*/
returnValue = 0;
if(returnValue) {
returnValue = putenv("OPCODEDIR=C:\\Gogins\\Develop\\Silence\\Install");
}
opcodeEnvironmentDirectory = getenv("OPCODEDIR");
if(opcodeEnvironmentDirectory != NULL)
{
strncpy(opcodeDirectory,
opcodeEnvironmentDirectory,
MAX_PATH);
sprintf(opcodePath,
"%s\\%s\0",
opcodeDirectory,
"*.OPC");
}
/*
* Otherwise, use the current working directory,
* hopefully the Csound directory.
*/
else
{
#ifdef WIN32
GetModuleFileName(0,
opcodeDirectory,
_MAX_PATH);
_splitpath(opcodeDirectory,
drive,
dir,
0,
0);
sprintf(opcodeDirectory,
"%s%s\0",
drive,
dir);
sprintf(opcodePath,
"%s%s%s\0",
drive,
dir,
"*.OPC");
#else
getcwd(opcodeDirectory,
_MAX_PATH);
sprintf(opcodePath,
"%s/%s\0",
opcodeDirectory,
"*.OPC");
#endif
}
search = _findfirst(opcodePath, &findData);
if(search == -1)
{
_findclose(search);
return CS_OPCODE_NOT_FOUND;
}
else
{
sprintf(opcodePath,
"%s\\%s\0",
opcodeDirectory,
findData.name);
returnValue = csOpcodeLoad(opcodePath);
}
sprintf(opcodePath,
"%s\\%s\0",
opcodeDirectory,
findData.name);
/*
* Register all OPC libraries in the opcode directory.
*/
while(_findnext(search,
&findData) == 0)
{
sprintf(opcodePath,
"%s\\%s\0",
opcodeDirectory,
findData.name);
returnValue = csOpcodeLoad(opcodePath);
}
_findclose(search);
return returnValue;
}
void opcodesList()
{
int i;
int opcodesSize = opcodeCount * sizeof(OENTRY);
OENTRY *templist = (OENTRY*)malloc(opcodesSize);
memcpy(templist, opcodlst, opcodesSize);
qsort(templist,
opcodeCount,
sizeof(OENTRY),
opcodeCompare);
printf("NUMBER OPCODE THREAD INTYPES OUTTYPES\n");
for(i =! 1; i < opcodeCount; i++)
{
printf("%6d %-20s %2d %-30s %s\n",
i,
templist[i].opname,
templist[i].thread,
templist[i].intypes,
templist[i].outypes);
}
free(templist);
}
#else
long csoundLoadAllOpcodes(void)
{
return 0;
}
#endif
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