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vtkWrapTclInit.c
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vtkWrapTclInit.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *Capitalized(const char *input)
{
char *result;
size_t i;
result = strdup(input);
if (result[0] > 90)
{
result[0] -= 32;
}
for (i = 1; i < strlen(result); i++)
{
if ((result[i] > 64)&&(result[i] < 91))
{
result[i] += 32;
}
}
return result;
}
/* this roputine creates the init file */
static void CreateInitFile(const char *libName,
int numClasses, char **classes,
int numCommands, char **commands,
const char *version,
FILE *fout)
{
/* we have to make sure that the name is the correct case */
char *kitName = Capitalized(libName);
int i;
char **capcommands = (char **)malloc(numCommands*sizeof(char *));
/* capitalize commands just once */
for (i = 0; i < numCommands; i++)
{
capcommands[i] = Capitalized(commands[i]);
}
fprintf(fout,"#include \"vtkTclUtil.h\"\n");
fprintf(fout,"#include \"vtkVersion.h\"\n");
fprintf(fout,"#define VTK_TCL_TO_STRING(x) VTK_TCL_TO_STRING0(x)\n");
fprintf(fout,"#define VTK_TCL_TO_STRING0(x) #x\n");
fprintf(fout,
"extern \"C\"\n"
"{\n"
"#if (TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 4)\n"
" typedef int (*vtkTclCommandType)(ClientData, Tcl_Interp *,int, CONST84 char *[]);\n"
"#else\n"
" typedef int (*vtkTclCommandType)(ClientData, Tcl_Interp *,int, char *[]);\n"
"#endif\n"
"}\n"
"\n");
for (i = 0; i < numClasses; i++)
{
fprintf(fout,"int %s_TclCreate(Tcl_Interp *interp);\n",classes[i]);
}
if (!strcmp(kitName,"Vtkcommoncoretcl"))
{
fprintf(fout,"int vtkCreateCommand(ClientData cd, Tcl_Interp *interp,\n"
" int argc, char *argv[]);\n");
fprintf(fout,"\nTcl_HashTable vtkInstanceLookup;\n");
fprintf(fout,"Tcl_HashTable vtkPointerLookup;\n");
fprintf(fout,"Tcl_HashTable vtkCommandLookup;\n");
}
else
{
fprintf(fout,"\nextern Tcl_HashTable vtkInstanceLookup;\n");
fprintf(fout,"extern Tcl_HashTable vtkPointerLookup;\n");
fprintf(fout,"extern Tcl_HashTable vtkCommandLookup;\n");
}
fprintf(fout,"extern void vtkTclDeleteObjectFromHash(void *);\n");
fprintf(fout,"extern void vtkTclListInstances(Tcl_Interp *interp, ClientData arg);\n");
for (i = 0; i < numCommands; i++)
{
fprintf(fout,
"\nextern \"C\" {int VTK_EXPORT %s_Init(Tcl_Interp *interp);}\n",
capcommands[i]);
}
fprintf(fout,
"\n\nextern \"C\" {int VTK_EXPORT %s_SafeInit(Tcl_Interp *interp);}\n",
kitName);
fprintf(fout,
"\nextern \"C\" {int VTK_EXPORT %s_Init(Tcl_Interp *interp);}\n",
kitName);
/* create an extern ref to the generic delete function */
fprintf(fout,"\nextern void vtkTclGenericDeleteObject(ClientData cd);\n");
if (!strcmp(kitName,"Vtkcommoncoretcl"))
{
fprintf(fout,
"extern \"C\"\n{\nvoid vtkCommonDeleteAssocData(ClientData cd)\n");
fprintf(fout," {\n");
fprintf(fout," vtkTclInterpStruct *tis = static_cast<vtkTclInterpStruct*>(cd);\n");
fprintf(fout," delete tis;\n }\n}\n");
}
/* the main declaration */
fprintf(fout,
"\n\nint VTK_EXPORT %s_SafeInit(Tcl_Interp *interp)\n{\n",kitName);
fprintf(fout," return %s_Init(interp);\n}\n",kitName);
fprintf(fout,"\n\nint VTK_EXPORT %s_Init(Tcl_Interp *interp)\n{\n",
kitName);
if (!strcmp(kitName,"Vtkcommoncoretcl"))
{
fprintf(fout,
" vtkTclInterpStruct *info = new vtkTclInterpStruct;\n");
fprintf(fout,
" info->Number = 0; info->InDelete = 0; info->DebugOn = 0; info->DeleteExistingObjectOnNew = 0;\n");
fprintf(fout,"\n");
fprintf(fout,"\n");
fprintf(fout,
" Tcl_InitHashTable(&info->InstanceLookup, TCL_STRING_KEYS);\n");
fprintf(fout,
" Tcl_InitHashTable(&info->PointerLookup, TCL_STRING_KEYS);\n");
fprintf(fout,
" Tcl_InitHashTable(&info->CommandLookup, TCL_STRING_KEYS);\n");
fprintf(fout,
" Tcl_SetAssocData(interp,(char *)(\"vtk\"),NULL,reinterpret_cast<ClientData *>(info));\n");
fprintf(fout,
" Tcl_CreateExitHandler(vtkCommonDeleteAssocData,reinterpret_cast<ClientData *>(info));\n");
/* create special vtkCommand command */
fprintf(fout," Tcl_CreateCommand(interp,(char *)(\"vtkCommand\"),\n"
" reinterpret_cast<vtkTclCommandType>(vtkCreateCommand),\n"
" static_cast<ClientData *>(NULL), NULL);\n\n");
}
for (i = 0; i < numCommands; i++)
{
fprintf(fout," %s_Init(interp);\n", capcommands[i]);
}
fprintf(fout,"\n");
for (i = 0; i < numClasses; i++)
{
fprintf(fout," %s_TclCreate(interp);\n",classes[i]);
}
fprintf(fout," char pkgName[]=\"%s\";\n", libName);
if (version && *version)
{
fprintf(fout," char pkgVers[]=VTK_TCL_TO_STRING(%s);\n", version);
}
else
{
fprintf(fout," char pkgVers[]=VTK_TCL_TO_STRING(VTK_MAJOR_VERSION)"
" \".\" "
"VTK_TCL_TO_STRING(VTK_MINOR_VERSION);\n");
}
fprintf(fout," Tcl_PkgProvide(interp, pkgName, pkgVers);\n");
fprintf(fout," return TCL_OK;\n}\n");
for ( i = 0; i < numCommands; i++ )
{
free(capcommands[i]);
}
free(capcommands);
free(kitName);
}
int main(int argc,char *argv[])
{
FILE *file;
FILE *fout;
int numClasses = 0;
int numCommands = 0;
char libName[250];
char tmpVal[250];
char *classes[4000];
char *commands[4000];
char version[4000] = {'\0'};
if (argc < 3)
{
fprintf(stderr,"Usage: %s input_file output_file\n",argv[0]);
return 1;
}
file = fopen(argv[1],"r");
if (!file)
{
fprintf(stderr,"Input file %s could not be opened\n",argv[1]);
return 1;
}
fout = fopen(argv[2],"w");
if (!fout)
{
fprintf(stderr,"Error opening output file\n");
fclose(file);
return 1;
}
/* read the info from the file */
if (fscanf(file,"%s",libName) != 1)
{
fprintf(stderr,"Error getting libName\n");
fclose(file);
fclose(fout);
return 1;
}
/* read in the classes and commands */
while (fscanf(file,"%s",tmpVal) != EOF)
{
if (!strcmp(tmpVal,"COMMAND"))
{
if (fscanf(file,"%s",tmpVal) != 1)
{
fprintf(stderr,"Error getting command\n");
fclose(file);
fclose(fout);
return 1;
}
commands[numCommands] = strdup(tmpVal);
numCommands++;
}
else if (!strcmp(tmpVal,"VERSION"))
{
if (fscanf(file,"%s",version) != 1)
{
fprintf(stderr,"Error getting version\n");
fclose(file);
fclose(fout);
return 1;
}
}
else
{
classes[numClasses] = strdup(tmpVal);
numClasses++;
}
}
/* close the file */
fclose(file);
CreateInitFile(libName, numClasses, classes, numCommands, commands, version, fout);
fclose(fout);
return 0;
}