split out qlist and textfile into their own files

svn path=/trunk/; revision=12744

1 files changed, 169 insertions, 0 deletions

diff --git a/externals/vanilla/textfile.c b/externals/vanilla/textfile.c
new file mode 100644
index 00000000..51c8dcd1
--- /dev/null
+++ b/externals/vanilla/textfile.c
@@ -0,0 +1,169 @@
+/* Copyright (c) 1997-1999 Miller Puckette and others.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+#include "m_pd.h"
+#include <string.h>
+#ifdef _WIN32
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
+typedef struct _qlist
+{
+    t_object x_ob;
+    t_outlet *x_bangout;
+    void *x_binbuf;
+    int x_onset;                /* playback position */
+    t_clock *x_clock;
+    t_float x_tempo;
+    double x_whenclockset;
+    t_float x_clockdelay;
+    t_symbol *x_dir;
+    t_canvas *x_canvas;
+    int x_reentered;
+} t_qlist;
+
+static t_class *textfile_class;
+typedef t_qlist t_textfile;
+
+static void qlist_add(t_qlist *x, t_symbol *s, int ac, t_atom *av)
+{
+    t_atom a;
+    SETSEMI(&a);
+    binbuf_add(x->x_binbuf, ac, av);
+    binbuf_add(x->x_binbuf, 1, &a);
+}
+
+static void qlist_add2(t_qlist *x, t_symbol *s, int ac, t_atom *av)
+{
+    binbuf_add(x->x_binbuf, ac, av);
+}
+
+static void qlist_clear(t_qlist *x)
+{
+    qlist_rewind(x);
+    binbuf_clear(x->x_binbuf);
+}
+
+static void qlist_set(t_qlist *x, t_symbol *s, int ac, t_atom *av)
+{
+    qlist_clear(x);
+    qlist_add(x, s, ac, av);
+}
+
+static void qlist_read(t_qlist *x, t_symbol *filename, t_symbol *format)
+{
+    int cr = 0;
+    if (!strcmp(format->s_name, "cr"))
+        cr = 1;
+    else if (*format->s_name)
+        pd_error(x, "qlist_read: unknown flag: %s", format->s_name);
+
+    if (binbuf_read_via_canvas(x->x_binbuf, filename->s_name, x->x_canvas, cr))
+            pd_error(x, "%s: read failed", filename->s_name);
+    x->x_onset = 0x7fffffff;
+    x->x_reentered = 1;
+}
+
+static void qlist_write(t_qlist *x, t_symbol *filename, t_symbol *format)
+{
+    int cr = 0;
+    char buf[MAXPDSTRING];
+    canvas_makefilename(x->x_canvas, filename->s_name,
+        buf, MAXPDSTRING);
+    if (!strcmp(format->s_name, "cr"))
+        cr = 1;
+    else if (*format->s_name)
+        pd_error(x, "qlist_read: unknown flag: %s", format->s_name);
+    if (binbuf_write(x->x_binbuf, buf, "", cr))
+            pd_error(x, "%s: write failed", filename->s_name);
+}
+
+static void qlist_print(t_qlist *x)
+{
+    post("--------- textfile or qlist contents: -----------");
+    binbuf_print(x->x_binbuf);
+}
+
+static void *textfile_new( void)
+{
+    t_symbol *name, *filename = 0;
+    t_textfile *x = (t_textfile *)pd_new(textfile_class);
+    x->x_binbuf = binbuf_new();
+    outlet_new(&x->x_ob, &s_list);
+    x->x_bangout = outlet_new(&x->x_ob, &s_bang);
+    x->x_onset = 0x7fffffff;
+    x->x_reentered = 0;
+    x->x_tempo = 1;
+    x->x_whenclockset = 0;
+    x->x_clockdelay = 0;
+    x->x_clock = NULL;
+    x->x_canvas = canvas_getcurrent();
+    return (x);
+}
+
+static void textfile_bang(t_textfile *x)
+{
+    int argc = binbuf_getnatom(x->x_binbuf),
+        count, onset = x->x_onset, onset2;
+    t_atom *argv = binbuf_getvec(x->x_binbuf);
+    t_atom *ap = argv + onset, *ap2;
+    while (onset < argc &&
+        (ap->a_type == A_SEMI || ap->a_type == A_COMMA))
+            onset++, ap++;
+    onset2 = onset;
+    ap2 = ap;
+    while (onset2 < argc &&
+        (ap2->a_type != A_SEMI && ap2->a_type != A_COMMA))
+            onset2++, ap2++;
+    if (onset2 > onset)
+    {
+        x->x_onset = onset2;
+        if (ap->a_type == A_SYMBOL)
+            outlet_anything(x->x_ob.ob_outlet, ap->a_w.w_symbol,
+                onset2-onset-1, ap+1);
+        else outlet_list(x->x_ob.ob_outlet, 0, onset2-onset, ap);
+    }
+    else
+    {
+        x->x_onset = 0x7fffffff;
+        outlet_bang(x->x_bangout);
+    }
+}
+
+static void textfile_rewind(t_qlist *x)
+{
+    x->x_onset = 0;
+}
+
+static void textfile_free(t_textfile *x)
+{
+    binbuf_free(x->x_binbuf);
+}
+
+void textfile_setup(void )
+{
+    textfile_class = class_new(gensym("textfile"), (t_newmethod)textfile_new,
+        (t_method)textfile_free, sizeof(t_textfile), 0, 0);
+    class_addmethod(textfile_class, (t_method)textfile_rewind, gensym("rewind"),
+        0);
+    class_addmethod(textfile_class, (t_method)qlist_set, gensym("set"),
+        A_GIMME, 0);
+    class_addmethod(textfile_class, (t_method)qlist_clear, gensym("clear"), 0);
+    class_addmethod(textfile_class, (t_method)qlist_add, gensym("add"),
+        A_GIMME, 0);
+    class_addmethod(textfile_class, (t_method)qlist_add2, gensym("add2"),
+        A_GIMME, 0);
+    class_addmethod(textfile_class, (t_method)qlist_add, gensym("append"),
+        A_GIMME, 0);
+    class_addmethod(textfile_class, (t_method)qlist_read, gensym("read"), 
+        A_SYMBOL, A_DEFSYM, 0);
+    class_addmethod(textfile_class, (t_method)qlist_write, gensym("write"), 
+        A_SYMBOL, A_DEFSYM, 0);
+    class_addmethod(textfile_class, (t_method)qlist_print, gensym("print"),
+        A_DEFSYM, 0);
+    class_addbang(textfile_class, textfile_bang);
+}
+