add array example

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2009-sploving@11478 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/scilab/variables/example.c

@@ -9,7 +9,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include "sciprint.h"
+#include "example.h"
 
 int              ivar = 0;                    
 short            svar = 0;
@@ -22,15 +22,20 @@ unsigned char    ucvar = 0;
 char             cvar = 0;
 float            fvar = 0;
 double           dvar = 0;
-char            *strvar=0;
+char            *strvar = 0;
+const char       cstrvar[] = "Goodbye";
+int             *iptrvar = 0;
 char             name[5] = "Dave";
-double          *Foo1;
-double          *Foo2;
-int             *pivar;
-short           *psvar;
-char            **foo;
+char             path[256] = "/home/beazley";
 
 
+/* Global variables involving a structure */
+Point           *ptptr = 0;
+Point            pt = { 10, 20 };
+
+/* A variable that we will make read-only in the interface */
+int              status = 1;
+
 /* A debugging function to print out their values */
 
 void print_vars() {
@@ -45,9 +50,46 @@ void print_vars() {
   printf("fvar      = %g\n", fvar);
   printf("dvar      = %g\n", dvar);
   printf("cvar      = %c\n", cvar);
-  printf("strvar    = %s\n",strvar);
+  printf("strvar    = %s\n", strvar ? strvar : "(null)");
+  printf("cstrvar   = %s\n", cstrvar ? cstrvar : "(null)");
+  printf("iptrvar   = %p\n", iptrvar);
   printf("name      = %c%c%c%c%c\n", name[0],name[1],name[2],name[3],name[4]);
+  //printf("ptptr     = %p %s\n", ptptr, Point_print( ptptr ) );
+  printf("pt        = (%d, %d)\n", pt.x, pt.y);
+  printf("status    = %d\n", status);
 }
 
+/* A function to create an integer (to test iptrvar) */
 
+int *new_int(int value) {
+  int *ip = (int *) malloc(sizeof(int));
+  *ip = value;
+  return ip;
+}
 
+int value_int(int *value) {
+	return *value;
+}
+
+/* A function to create a point */
+
+Point *new_Point(int x, int y) {
+  Point *p = (Point *) malloc(sizeof(Point));
+  p->x = x;
+  p->y = y;
+  return p;
+}
+
+char * Point_print(Point *p) {
+  static char buffer[256];
+  if (p) {
+    sprintf(buffer,"(%d,%d)", p->x,p->y);
+  } else {
+    sprintf(buffer,"null");
+  }
+  return buffer;
+}
+
+void pt_print() {
+  printf("(%d, %d)\n", pt.x, pt.y);
+}

Examples/scilab/variables/example.i

@@ -1,5 +1,8 @@
 /* File : example.i */
 %module example
+%{
+#include "example.h"
+%}
 
 #pragma SWIG nowarn=SWIGWARN_TYPEMAP_SWIGTYPELEAK
 
@@ -17,17 +20,33 @@
     extern float            fvar;
     extern double           dvar;
     extern char            *strvar;
+    //    extern const char       cstrvar[];
+    extern int             *iptrvar;
     extern char             name[256];
-    extern double          *Foo1;
-    extern double          *Foo2;
-    extern int             *pivar;
-    extern short             *psvar;
-    extern char            **foo;
+
+    extern Point           *ptptr;
+    extern Point            pt;
+  
 %}
 
 
+/* Some read-only variables */
+
+%immutable;
+
+%inline %{
+extern int  status;
+extern char path[256];
+%}
+
+%mutable;
+
 /* Some helper functions to make it easier to test */
 %inline %{
 extern void  print_vars();
+extern int  *new_int(int value);
+extern Point *new_Point(int x, int y);
+extern char  *Point_print(Point *p);
+extern void  pt_print();
 %}
 

Examples/scilab/variables/runme.sci

@@ -18,17 +18,10 @@ cvar_set  ("S");
 fvar_set  (3.14159);
 dvar_set  (2.1828);
 strvar_set("Hello World");
-name_set ("Bill");
-Foo1_set([1,2,3;4,5,6]);
-Foo2_set([1+2*%i,2+3*%i;3+4*%i,7+8*%i]);
-pivar_set(int32([   1   2   3   4   5; 
-                6   7   8   9   10; 
-                11  12  13  14  15]));
-psvar_set(int16([   1   2   3   4   5; 
-                6   7   8   9   10; 
-                11  12  13  14  15]));
-foo_set(["sample", "strings", "manipulation"; "with","gateway","API"]);
 
+iptrvar= new_int(37);
+ptptr  = new_Point(37,42);
+name_set ("Bill");
 // Now print out the values of the variables
 
 printf("Variables (values printed from Scilab)\n");
@@ -45,13 +38,10 @@ printf("fvar      = %f\n", fvar_get());
 printf("dvar      = %f\n", dvar_get());
 printf("cvar      = %s\n", cvar_get());
 printf("strvar    = %s\n", strvar_get());
-printf("name      = %s\n", name_get());
-Foo1_get()
-Foo2_get()
-pivar_get()
-psvar_get()
-foo_get()
 
+iptrvar
+printf("name      = %s\n", name_get());
+printf("ptptr     = %s\n", Point_print(ptptr));
 printf("\nVariables (values printed from C)\n");
 
 print_vars()