From f3e255ddca6468b6adea0f10f30540c37cdde9ad Mon Sep 17 00:00:00 2001
From: "N.N." <federico__@users.sourceforge.net>
Date: Tue, 18 Sep 2007 17:19:03 +0000
Subject: first commit for tclpd external

svn path=/trunk/externals/tclpd/; revision=8736
---
 tcl_loader.cxx | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 tcl_loader.cxx

(limited to 'tcl_loader.cxx')

diff --git a/tcl_loader.cxx b/tcl_loader.cxx
new file mode 100644
index 0000000..47d8cc0
--- /dev/null
+++ b/tcl_loader.cxx
@@ -0,0 +1,55 @@
+#include "tcl_extras.h"
+#include <string.h>
+#include <unistd.h>
+
+extern "C" int tclpd_do_load_lib(t_canvas *canvas, char *objectname)
+{
+    char filename[MAXPDSTRING], dirbuf[MAXPDSTRING],
+        *classname, *nameptr;
+    int fd;
+    if (classname = strrchr(objectname, '/'))
+        classname++;
+    else classname = objectname;
+    if (sys_onloadlist(objectname))
+    {
+        post("%s: already loaded", objectname);
+        return (1);
+    }
+        /* try looking in the path for (objectname).(tcl) ... */
+    if ((fd = canvas_open(canvas, objectname, ".tcl",
+        dirbuf, &nameptr, MAXPDSTRING, 1)) >= 0)
+            goto gotone;
+        /* next try (objectname)/(classname).(sys_dllextent) ... */
+    strncpy(filename, objectname, MAXPDSTRING);
+    filename[MAXPDSTRING-2] = 0;
+    strcat(filename, "/");
+    strncat(filename, classname, MAXPDSTRING-strlen(filename));
+    filename[MAXPDSTRING-1] = 0;
+    if ((fd = canvas_open(canvas, filename, ".tcl",
+        dirbuf, &nameptr, MAXPDSTRING, 1)) >= 0)
+            goto gotone;
+    //post("Tcl_loader: tried and failed");
+    return (0);
+gotone:
+    close(fd);
+    class_set_extern_dir(gensym(dirbuf));
+        /* rebuild the absolute pathname */
+    strncpy(filename, dirbuf, MAXPDSTRING);
+    filename[MAXPDSTRING-2] = 0;
+    strcat(filename, "/");
+    strncat(filename, nameptr, MAXPDSTRING-strlen(filename));
+    filename[MAXPDSTRING-1] = 0;
+
+    // load tcl:
+    char b[MAXPDSTRING+10];
+    snprintf(&b[0], MAXPDSTRING+10, "source %s", filename);
+    if (Tcl_Eval(tcl_for_pd,b) == TCL_OK)
+        post("Tcl_loader: loaded %s", b);
+    else
+        post("Tcl_loader: error trying to load %s", b);
+
+    class_set_extern_dir(&s_);
+    sys_putonloadlist(objectname);
+    return (1);
+}
+
-- 
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