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Isaac Henry has contributed WFDB wrappers for Java, Perl, and Python, as well as for .NET languages such as C#, created using the Simplified Wrapper Interface Generator (SWIG, http://www.swig.org/). Using these wrappers, the example program can be written in any of these languages:
Java:
import wfdb.*;
public class rdsamp {
static {
System.loadLibrary("wfdbjava");
}
public static void main(String argv[]) {
WFDB_SiginfoArray siarray = new WFDB_SiginfoArray(2);
if (wfdb.isigopen ("100s", siarray.cast(), 2) < 2)
System.exit(1);
WFDB_SampleArray v = new WFDB_SampleArray(2);
for (int i = 0; i < 10; i++) {
if (wfdb.getvec(v.cast()) < 0)
break;
System.out.print("\t" + v.getitem(0));
System.out.print("\t" + v.getitem(1));
System.out.println();
}
}
}
|
Perl:
package wfdb;
use wfdb;
$siarray = new wfdb::WFDB_SiginfoArray(2);
if ($nsig = isigopen("100s", $siarray->cast(), 2) < 2) {
exit(1);
}
$v = new wfdb::WFDB_SampleArray(2);
for ($i=0; $i < 10; $i++) {
if (getvec($v->cast()) < 0) {
exit(2);
}
print "\t", $v->getitem(0), "\t", $v->getitem(1), "\n";
}
|
Python:
import wfdb, sys
def main(argv):
siarray = wfdb.WFDB_SiginfoArray(2)
if wfdb.isigopen("100s", siarray.cast(), 2) < 2: sys.exit(1)
v = wfdb.WFDB_SampleArray(2)
for i in range(0,10):
if wfdb.getvec(v.cast()) > 0: sys.exit(2)
print v[0],
print v[1],
print
if __name__ == "__main__":
main(sys.argv[1:])
|
C#:
using System;
using Wfdb;
public class psamples {
static void Main(string[] argv) {
WFDB_SiginfoArray siarray = new WFDB_SiginfoArray(2);
if (wfdb.isigopen("100s", siarray.cast(), 2) < 2)
Environment.Exit(1);
WFDB_SampleArray v = new WFDB_SampleArray(2);
for (int i = 0; i < 10; i++) {
if (wfdb.getvec(v.cast()) < 0)
break;
Console.Write(v.getitem(0));
Console.Write(v.getitem(1));
Console.WriteLine();
}
}
}
|
All SWIG wrappers for the WFDB library are generated using a single interface file, `wfdb.i'. In principle, this file might be used to generate wrappers for other programming languages supported by SWIG, including several versions of LISP, Modula-3, PHP, Ruby, and Tcl.
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