Ruby module changed to use pointer object instead of mangled string.
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@690 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Masaki Fukushima
parent
3c1ffc640e
commit
aa1f1ac3c2
6 changed files with 229 additions and 485 deletions
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@ -1,15 +1,3 @@
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//
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// SWIG pointer conversion and utility library for Ruby
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//
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// $Header$
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//
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// Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
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// Copyright (C) 2000 Information-technology Promotion Agency, Japan
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//
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// Masaki Fukushima
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//
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// This file is originally derived from python/ptrlang.i
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//
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// SWIG pointer conversion and utility library
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//
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@ -20,9 +8,37 @@
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// by the file ../pointer.i
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%{
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#include <ctype.h>
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/* Pointer library specific types */
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static _swig_type_info _swig_pointer_int_p[] = {{"_p_int",0},{"_p_int",0},{0}};
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static _swig_type_info _swig_pointer_short_p[] = {{"_p_short",0},{"_p_short",0},{0}};
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static _swig_type_info _swig_pointer_long_p[] = {{"_p_long",0},{"_p_long",0},{0}};
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static _swig_type_info _swig_pointer_float_p[] = {{"_p_float",0},{"_p_float",0},{0}};
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static _swig_type_info _swig_pointer_double_p[] = {{"_p_double",0},{"_p_double",0},{0}};
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static _swig_type_info _swig_pointer_char_p[] = {{"_p_char",0},{"_p_char",0},{0}};
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static _swig_type_info _swig_pointer_char_pp[] = {{"_pp_char",0},{"_pp_char",0},{0}};
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static _swig_type_info *_swig_pointer_types[] = {
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_swig_pointer_int_p,
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_swig_pointer_short_p,
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_swig_pointer_long_p,
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_swig_pointer_float_p,
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_swig_pointer_double_p,
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_swig_pointer_char_p,
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_swig_pointer_char_pp,
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0
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};
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#define SWIG_POINTER_int_p _swig_pointer_types[0]
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#define SWIG_POINTER_short_p _swig_pointer_types[1]
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#define SWIG_POINTER_long_p _swig_pointer_types[2]
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#define SWIG_POINTER_float_p _swig_pointer_types[3]
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#define SWIG_POINTER_double_p _swig_pointer_types[4]
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#define SWIG_POINTER_char_p _swig_pointer_types[5]
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#define SWIG_POINTER_char_pp _swig_pointer_types[6]
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/*------------------------------------------------------------------
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ptrcast(value,type)
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@ -41,10 +57,11 @@ static VALUE ptrcast(VALUE _PTRVALUE, char *type) {
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void *ptr;
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VALUE obj;
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char *typestr,*c;
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_swig_type_info temptype;
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/* Produce a "mangled" version of the type string. */
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typestr = (char *) xmalloc(strlen(type)+2);
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typestr = (char *) malloc(strlen(type)+2);
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/* Go through and munge the typestring */
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@ -63,47 +80,22 @@ static VALUE ptrcast(VALUE _PTRVALUE, char *type) {
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c++;
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}
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*(r++) = 0;
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/* Check to see what kind of object _PTRVALUE is */
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switch (TYPE(_PTRVALUE)) {
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case T_FIXNUM:
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case T_BIGNUM:
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ptr = (void *) NUM2ULONG(_PTRVALUE);
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ptr = (void *) NUM2LONG(_PTRVALUE);
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/* Received a numerical value. Make a pointer out of it */
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r = (char *) xmalloc(strlen(typestr)+22);
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if (ptr) {
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SWIG_MakePtr(r, ptr, typestr);
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} else {
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sprintf(r,"_0%s",typestr);
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}
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temptype.name = typestr;
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obj = SWIG_NewPointerObj(ptr,&temptype);
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obj = rb_str_new2(r);
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free(r);
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break;
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case T_STRING:
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/* Have a real pointer value now. Try to strip out the pointer
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value */
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s = STR2CSTR(_PTRVALUE);
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r = (char *) xmalloc(strlen(type)+22);
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/* Now extract the pointer value */
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if (!SWIG_GetPtr(s,&ptr,0)) {
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if (ptr) {
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SWIG_MakePtr(r,ptr,typestr);
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} else {
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sprintf(r,"_0%s",typestr);
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}
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obj = rb_str_new2(r);
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} else {
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obj = Qnil;
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}
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free(r);
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break;
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default:
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obj = Qnil;
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break;
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/* Now extract the pointer value */
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ptr = SWIG_ConvertPtr(_PTRVALUE,0);
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temptype.name=typestr;
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obj = SWIG_NewPointerObj(ptr,&temptype);
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}
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free(typestr);
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if (!obj)
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rb_raise(rb_eTypeError,"Type error in ptrcast. Argument is not a valid pointer value.");
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return obj;
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@ -123,50 +115,41 @@ static VALUE ptrvalue(VALUE _PTRVALUE, int index, char *type) {
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char *s;
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VALUE obj;
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Check_Type(_PTRVALUE, T_STRING);
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s = STR2CSTR(_PTRVALUE);
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if (SWIG_GetPtr(s,&ptr,0)) {
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rb_raise(rb_eTypeError,"Type error in ptrvalue. Argument is not a valid pointer value.");
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}
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ptr = SWIG_ConvertPtr(_PTRVALUE,0);
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/* If no datatype was passed, try a few common datatypes first */
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if (!type) {
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/* No datatype was passed. Type to figure out if it's a common one */
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if (!SWIG_GetPtr(s,&ptr,"_int_p")) {
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if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_int_p)) {
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type = "int";
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} else if (!SWIG_GetPtr(s,&ptr,"_double_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_double_p)) {
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type = "double";
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} else if (!SWIG_GetPtr(s,&ptr,"_short_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_short_p)) {
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type = "short";
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} else if (!SWIG_GetPtr(s,&ptr,"_long_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_long_p)) {
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type = "long";
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} else if (!SWIG_GetPtr(s,&ptr,"_float_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_float_p)) {
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type = "float";
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} else if (!SWIG_GetPtr(s,&ptr,"_char_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_p)) {
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type = "char";
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} else if (!SWIG_GetPtr(s,&ptr,"char_pp")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_pp)) {
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type = "char *";
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} else {
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type = "unknown";
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}
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}
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if (!ptr) {
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rb_raise(rb_eTypeError,"Unable to dereference NULL pointer.");
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}
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/* Now we have a datatype. Try to figure out what to do about it */
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if (strcmp(type,"int") == 0) {
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obj = INT2NUM(*(((int *) ptr) + index));
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obj = LONG2NUM((long) *(((int *) ptr) + index));
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} else if (strcmp(type,"double") == 0) {
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obj = rb_float_new((double) *(((double *) ptr)+index));
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} else if (strcmp(type,"short") == 0) {
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obj = INT2NUM(*(((short *) ptr)+index));
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obj = LONG2NUM((long) *(((short *) ptr)+index));
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} else if (strcmp(type,"long") == 0) {
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obj = INT2NUM(*(((long *) ptr)+index));
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obj = LONG2NUM((long) *(((long *) ptr)+index));
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} else if (strcmp(type,"float") == 0) {
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obj = rb_float_new((double) *(((float *) ptr)+index));
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} else if (strcmp(type,"char") == 0) {
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@ -192,60 +175,63 @@ static VALUE ptrcreate(char *type, VALUE _RBVALUE, int numelements) {
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void *ptr;
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VALUE obj;
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int sz;
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char *cast;
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_swig_type_info *cast;
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char temp[40];
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/* Check the type string against a variety of possibilities */
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if (strcmp(type,"int") == 0) {
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sz = sizeof(int)*numelements;
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cast = "_int_p";
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cast = SWIG_POINTER_int_p;
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} else if (strcmp(type,"short") == 0) {
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sz = sizeof(short)*numelements;
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cast = "_short_p";
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cast = SWIG_POINTER_short_p;
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} else if (strcmp(type,"long") == 0) {
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sz = sizeof(long)*numelements;
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cast = "_long_p";
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cast = SWIG_POINTER_long_p;
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} else if (strcmp(type,"double") == 0) {
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sz = sizeof(double)*numelements;
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cast = "_double_p";
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cast = SWIG_POINTER_double_p;
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} else if (strcmp(type,"float") == 0) {
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sz = sizeof(float)*numelements;
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cast = "_float_p";
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cast = SWIG_POINTER_float_p;
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} else if (strcmp(type,"char") == 0) {
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sz = sizeof(char)*numelements;
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cast = "_char_p";
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cast = SWIG_POINTER_char_p;
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} else if (strcmp(type,"char *") == 0) {
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sz = sizeof(char *)*(numelements+1);
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cast = "char_pp";
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cast = SWIG_POINTER_char_pp;
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} else {
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rb_raise(rb_eTypeError,"Unable to create unknown datatype.");
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}
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/* Create the new object */
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ptr = (void *) xmalloc(sz);
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ptr = (void *) malloc(sz);
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if (!ptr) {
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rb_raise(rb_eFatal,"Out of memory in swig_create.");
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}
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/* Now try to set its default value */
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if (_RBVALUE) {
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if (strcmp(type,"int") == 0) {
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int *ip,i,ivalue;
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ivalue = NUM2INT(_RBVALUE);
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ivalue = (int) NUM2LONG(_RBVALUE);
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ip = (int *) ptr;
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for (i = 0; i < numelements; i++)
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ip[i] = ivalue;
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} else if (strcmp(type,"short") == 0) {
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short *ip,ivalue;
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int i;
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ivalue = (short) NUM2INT(_RBVALUE);
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ivalue = (short) NUM2LONG(_RBVALUE);
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ip = (short *) ptr;
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for (i = 0; i < numelements; i++)
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ip[i] = ivalue;
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} else if (strcmp(type,"long") == 0) {
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long *ip,ivalue;
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int i;
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ivalue = NUM2LONG(_RBVALUE);
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ivalue = (long) NUM2LONG(_RBVALUE);
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ip = (long *) ptr;
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for (i = 0; i < numelements; i++)
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ip[i] = ivalue;
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@ -275,7 +261,7 @@ static VALUE ptrcreate(char *type, VALUE _RBVALUE, int numelements) {
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ip = (char **) ptr;
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for (i = 0; i < numelements; i++) {
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if (ivalue) {
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ip[i] = (char *) xmalloc(strlen(ivalue)+1);
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ip[i] = (char *) malloc(strlen(ivalue)+1);
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strcpy(ip[i],ivalue);
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} else {
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ip[i] = 0;
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@ -286,8 +272,7 @@ static VALUE ptrcreate(char *type, VALUE _RBVALUE, int numelements) {
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}
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/* Create the pointer value */
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SWIG_MakePtr(temp,ptr,cast);
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obj = rb_str_new2(temp);
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obj = SWIG_NewPointerObj(ptr,cast);
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return obj;
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}
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@ -301,53 +286,44 @@ static VALUE ptrcreate(char *type, VALUE _RBVALUE, int numelements) {
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static VALUE ptrset(VALUE _PTRVALUE, VALUE _RBVALUE, int index, char *type) {
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void *ptr;
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char *s;
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VALUE obj;
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Check_Type(_PTRVALUE, T_STRING);
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s = STR2CSTR(_PTRVALUE);
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if (SWIG_GetPtr(s,&ptr,0)) {
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rb_raise(rb_eTypeError,"Type error in ptrset. Argument is not a valid pointer value.");
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}
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ptr = SWIG_ConvertPtr(_PTRVALUE,0);
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/* If no datatype was passed, try a few common datatypes first */
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if (!type) {
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/* No datatype was passed. Type to figure out if it's a common one */
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if (!SWIG_GetPtr(s,&ptr,"_int_p")) {
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if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_int_p)) {
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type = "int";
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} else if (!SWIG_GetPtr(s,&ptr,"_double_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_double_p)) {
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type = "double";
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} else if (!SWIG_GetPtr(s,&ptr,"_short_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_short_p)) {
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type = "short";
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} else if (!SWIG_GetPtr(s,&ptr,"_long_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_long_p)) {
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type = "long";
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} else if (!SWIG_GetPtr(s,&ptr,"_float_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_float_p)) {
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type = "float";
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} else if (!SWIG_GetPtr(s,&ptr,"_char_p")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_p)) {
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type = "char";
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} else if (!SWIG_GetPtr(s,&ptr,"char_pp")) {
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_pp)) {
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type = "char *";
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} else {
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type = "unknown";
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}
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}
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if (!ptr) {
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rb_raise(rb_eTypeError,"Unable to set NULL pointer.");
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}
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/* Now we have a datatype. Try to figure out what to do about it */
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if (strcmp(type,"int") == 0) {
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*(((int *) ptr)+index) = NUM2INT(_RBVALUE);
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*(((int *) ptr)+index) = (int) NUM2LONG(_RBVALUE);
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} else if (strcmp(type,"double") == 0) {
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*(((double *) ptr)+index) = (double) NUM2DBL(_RBVALUE);
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} else if (strcmp(type,"short") == 0) {
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*(((short *) ptr)+index) = (short) NUM2INT(_RBVALUE);
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*(((short *) ptr)+index) = (short) NUM2LONG(_RBVALUE);
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} else if (strcmp(type,"long") == 0) {
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*(((long *) ptr)+index) = NUM2LONG(_RBVALUE);
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*(((long *) ptr)+index) = (long) NUM2LONG(_RBVALUE);
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} else if (strcmp(type,"float") == 0) {
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*(((float *) ptr)+index) = (float) NUM2DBL(_RBVALUE);
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} else if (strcmp(type,"char") == 0) {
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@ -360,7 +336,7 @@ static VALUE ptrset(VALUE _PTRVALUE, VALUE _RBVALUE, int index, char *type) {
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if (strcmp(c,"NULL") == 0) {
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ca[index] = 0;
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} else {
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ca[index] = (char *) xmalloc(strlen(c)+1);
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ca[index] = (char *) malloc(strlen(c)+1);
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strcpy(ca[index],c);
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}
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} else {
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@ -369,7 +345,6 @@ static VALUE ptrset(VALUE _PTRVALUE, VALUE _RBVALUE, int index, char *type) {
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return Qnil;
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}
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/*------------------------------------------------------------------
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ptradd(ptr,offset)
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@ -379,47 +354,41 @@ static VALUE ptrset(VALUE _PTRVALUE, VALUE _RBVALUE, int index, char *type) {
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static VALUE ptradd(VALUE _PTRVALUE, int offset) {
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char *r,*s;
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char *r;
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void *ptr,*junk;
|
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VALUE obj;
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char *type;
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_swig_type_info *type;
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ptr = SWIG_ConvertPtr(_PTRVALUE,0);
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/* Check to see what kind of object _PTRVALUE is */
|
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Check_Type(_PTRVALUE, T_STRING);
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/* Have a potential pointer value now. Try to strip out the value */
|
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s = STR2CSTR(_PTRVALUE);
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/* Try to handle a few common datatypes first */
|
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|
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if (!SWIG_GetPtr(s,&ptr,"_int_p")) {
|
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if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_int_p)) {
|
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ptr = (void *) (((int *) ptr) + offset);
|
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} else if (!SWIG_GetPtr(s,&ptr,"_double_p")) {
|
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type = SWIG_POINTER_int_p;
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_double_p)) {
|
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ptr = (void *) (((double *) ptr) + offset);
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} else if (!SWIG_GetPtr(s,&ptr,"_short_p")) {
|
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type = SWIG_POINTER_double_p;
|
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_short_p)) {
|
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ptr = (void *) (((short *) ptr) + offset);
|
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} else if (!SWIG_GetPtr(s,&ptr,"_long_p")) {
|
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type = SWIG_POINTER_short_p;
|
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_long_p)) {
|
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ptr = (void *) (((long *) ptr) + offset);
|
||||
} else if (!SWIG_GetPtr(s,&ptr,"_float_p")) {
|
||||
type = SWIG_POINTER_long_p;
|
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_float_p)) {
|
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ptr = (void *) (((float *) ptr) + offset);
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} else if (!SWIG_GetPtr(s,&ptr,"_char_p")) {
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type = SWIG_POINTER_float_p;
|
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_p)) {
|
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ptr = (void *) (((char *) ptr) + offset);
|
||||
} else if (!SWIG_GetPtr(s,&ptr,0)) {
|
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type = SWIG_POINTER_char_p;
|
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} else if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_pp)) {
|
||||
ptr = (void *) (((char *) ptr) + offset);
|
||||
type = SWIG_POINTER_char_pp;
|
||||
} else {
|
||||
rb_raise(rb_eTypeError,"Type error in ptradd. Argument is not a valid pointer value.");
|
||||
}
|
||||
type = SWIG_GetPtr(s,&junk,"INVALID POINTER");
|
||||
r = (char *) xmalloc(strlen(type)+20);
|
||||
if (ptr) {
|
||||
SWIG_MakePtr(r,ptr,type);
|
||||
} else {
|
||||
sprintf(r,"_0%s",type);
|
||||
}
|
||||
obj = rb_str_new2(r);
|
||||
free(r);
|
||||
|
||||
obj = SWIG_NewPointerObj(ptr, type);
|
||||
return obj;
|
||||
}
|
||||
|
||||
|
|
@ -428,17 +397,13 @@ static VALUE ptradd(VALUE _PTRVALUE, int offset) {
|
|||
|
||||
Allows a mapping between type1 and type2. (Like a typedef)
|
||||
------------------------------------------------------------------ */
|
||||
|
||||
static void ptrmap(char *type1, char *type2) {
|
||||
|
||||
char *typestr1,*typestr2,*c,*r;
|
||||
|
||||
/* Produce a "mangled" version of the type string. */
|
||||
|
||||
typestr1 = (char *) xmalloc(strlen(type1)+2);
|
||||
typestr1 = (char *) malloc(strlen(type1)+2);
|
||||
|
||||
/* Go through and munge the typestring */
|
||||
|
||||
r = typestr1;
|
||||
*(r++) = '_';
|
||||
c = type1;
|
||||
|
|
@ -455,7 +420,7 @@ static void ptrmap(char *type1, char *type2) {
|
|||
}
|
||||
*(r++) = 0;
|
||||
|
||||
typestr2 = (char *) xmalloc(strlen(type2)+2);
|
||||
typestr2 = (char *) malloc(strlen(type2)+2);
|
||||
|
||||
/* Go through and munge the typestring */
|
||||
|
||||
|
|
@ -474,8 +439,12 @@ static void ptrmap(char *type1, char *type2) {
|
|||
c++;
|
||||
}
|
||||
*(r++) = 0;
|
||||
|
||||
/* Currently unsupported */
|
||||
/*
|
||||
SWIG_RegisterMapping(typestr1,typestr2,0);
|
||||
SWIG_RegisterMapping(typestr2,typestr1,0);
|
||||
*/
|
||||
}
|
||||
|
||||
/*------------------------------------------------------------------
|
||||
|
|
@ -485,17 +454,12 @@ static void ptrmap(char *type1, char *type2) {
|
|||
------------------------------------------------------------------ */
|
||||
|
||||
VALUE ptrfree(VALUE _PTRVALUE) {
|
||||
void *ptr, *junk;
|
||||
char *s;
|
||||
|
||||
Check_Type(_PTRVALUE, T_STRING);
|
||||
s = STR2CSTR(_PTRVALUE);
|
||||
if (SWIG_GetPtr(s,&ptr,0)) {
|
||||
rb_raise(rb_eTypeError,"Type error in ptrfree. Argument is not a valid pointer value.");
|
||||
}
|
||||
void *ptr;
|
||||
|
||||
ptr = SWIG_ConvertPtr(_PTRVALUE,0);
|
||||
|
||||
/* Check to see if this pointer is a char ** */
|
||||
if (!SWIG_GetPtr(s,&junk,"char_pp")) {
|
||||
if (SWIG_CheckConvert(_PTRVALUE,SWIG_POINTER_char_pp)) {
|
||||
char **c = (char **) ptr;
|
||||
if (c) {
|
||||
int i = 0;
|
||||
|
|
@ -504,7 +468,7 @@ VALUE ptrfree(VALUE _PTRVALUE) {
|
|||
i++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (ptr)
|
||||
free((char *) ptr);
|
||||
|
||||
|
|
@ -535,7 +499,7 @@ VALUE ptrcast(VALUE ptr, char *type);
|
|||
// type may be either the SWIG generated representation of a datatype
|
||||
// or the C representation. For example :
|
||||
//
|
||||
// ptrcast(ptr,"double_p"); # Ruby representation
|
||||
// ptrcast(ptr,"double_p"); # Ruby representation
|
||||
// ptrcast(ptr,"double *"); # C representation
|
||||
//
|
||||
// A new pointer value is returned. ptr may also be an integer
|
||||
|
|
@ -642,5 +606,16 @@ void ptrmap(char *type1, char *type2);
|
|||
// weird type-handling problems.
|
||||
|
||||
|
||||
%init %{
|
||||
{
|
||||
int i;
|
||||
for (i = 0; _swig_pointer_types[i]; i++) {
|
||||
_swig_pointer_types[i] = SWIG_TypeRegister(_swig_pointer_types[i]);
|
||||
SWIG_define_class(_swig_pointer_types[i]);
|
||||
}
|
||||
}
|
||||
|
||||
%}
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue