1 files changed, 231 insertions, 0 deletions

diff --git a/uisimulator/x11/resources.c b/uisimulator/x11/resources.c
new file mode 100644
index 0000000000..e0925d0fc7
--- /dev/null
+++ b/uisimulator/x11/resources.c
@@ -0,0 +1,231 @@
+/* xscreensaver, Copyright (c) 1992, 1997, 1998
+ *  Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+#include "utils.h"
+#include "resources.h"
+#include <X11/Xresource.h>
+
+
+/* Resource functions.  Assumes: */
+
+extern char *progname;
+extern char *progclass;
+extern XrmDatabase db;
+
+static unsigned int get_time_resource (char *res_name, char *res_class,
+                                       Bool sec_p);
+
+#ifndef isupper
+# define isupper(c)  ((c) >= 'A' && (c) <= 'Z')
+#endif
+#ifndef _tolower
+# define _tolower(c)  ((c) - 'A' + 'a')
+#endif
+
+char *
+get_string_resource (char *res_name, char *res_class)
+{
+  XrmValue value;
+  char  *type;
+  char full_name [1024], full_class [1024];
+  strcpy (full_name, progname);
+  strcat (full_name, ".");
+  strcat (full_name, res_name);
+  strcpy (full_class, progclass);
+  strcat (full_class, ".");
+  strcat (full_class, res_class);
+  if (XrmGetResource (db, full_name, full_class, &type, &value))
+    {
+      char *str = (char *) malloc (value.size + 1);
+      strncpy (str, (char *) value.addr, value.size);
+      str [value.size] = 0;
+      return str;
+    }
+  return 0;
+}
+
+Bool 
+get_boolean_resource (char *res_name, char *res_class)
+{
+  char *tmp, buf [100];
+  char *s = get_string_resource (res_name, res_class);
+  char *os = s;
+  if (! s) return 0;
+  for (tmp = buf; *s; s++)
+    *tmp++ = isupper (*s) ? _tolower (*s) : *s;
+  *tmp = 0;
+  free (os);
+
+  while (*buf &&
+         (buf[strlen(buf)-1] == ' ' ||
+          buf[strlen(buf)-1] == '\t'))
+    buf[strlen(buf)-1] = 0;
+
+  if (!strcmp (buf, "on") || !strcmp (buf, "true") || !strcmp (buf, "yes"))
+    return 1;
+  if (!strcmp (buf,"off") || !strcmp (buf, "false") || !strcmp (buf,"no"))
+    return 0;
+  fprintf (stderr, "%s: %s must be boolean, not %s.\n",
+           progname, res_name, buf);
+  return 0;
+}
+
+int 
+get_integer_resource (char *res_name, char *res_class)
+{
+  int val;
+  char c, *s = get_string_resource (res_name, res_class);
+  char *ss = s;
+  if (!s) return 0;
+
+  while (*ss && *ss <= ' ') ss++;                       /* skip whitespace */
+
+  if (ss[0] == '0' && (ss[1] == 'x' || ss[1] == 'X'))   /* 0x: parse as hex */
+    {
+      if (1 == sscanf (ss+2, "%x %c", &val, &c))
+        {
+          free (s);
+          return val;
+        }
+    }
+  else                                                  /* else parse as dec */
+    {
+      if (1 == sscanf (ss, "%d %c", &val, &c))
+        {
+          free (s);
+          return val;
+        }
+    }
+
+  fprintf (stderr, "%s: %s must be an integer, not %s.\n",
+           progname, res_name, s);
+  free (s);
+  return 0;
+}
+
+double
+get_float_resource (char *res_name, char *res_class)
+{
+  double val;
+  char c, *s = get_string_resource (res_name, res_class);
+  if (! s) return 0.0;
+  if (1 == sscanf (s, " %lf %c", &val, &c))
+    {
+      free (s);
+      return val;
+    }
+  fprintf (stderr, "%s: %s must be a float, not %s.\n",
+           progname, res_name, s);
+  free (s);
+  return 0.0;
+}
+
+
+unsigned int
+get_pixel_resource (char *res_name, char *res_class,
+                    Display *dpy, Colormap cmap)
+{
+  XColor color;
+  char *s = get_string_resource (res_name, res_class);
+  char *s2;
+  if (!s) goto DEFAULT;
+
+  for (s2 = s + strlen(s) - 1; s2 > s; s2--)
+    if (*s2 == ' ' || *s2 == '\t')
+      *s2 = 0;
+    else
+      break;
+
+  if (! XParseColor (dpy, cmap, s, &color))
+    {
+      fprintf (stderr, "%s: can't parse color %s\n", progname, s);
+      goto DEFAULT;
+    }
+  if (! XAllocColor (dpy, cmap, &color))
+    {
+      fprintf (stderr, "%s: couldn't allocate color %s\n", progname, s);
+      goto DEFAULT;
+    }
+  free (s);
+  return color.pixel;
+ DEFAULT:
+  if (s) free (s);
+  return ((strlen(res_class) >= 10 &&
+           !strcmp ("Background", res_class + strlen(res_class) - 10))
+          ? BlackPixel (dpy, DefaultScreen (dpy))
+          : WhitePixel (dpy, DefaultScreen (dpy)));
+}
+
+
+int
+parse_time (const char *string, Bool seconds_default_p, Bool silent_p)
+{
+  unsigned int h, m, s;
+  char c;
+  if (3 == sscanf (string,   " %u : %2u : %2u %c", &h, &m, &s, &c))
+    ;
+  else if (2 == sscanf (string, " : %2u : %2u %c", &m, &s, &c) ||
+           2 == sscanf (string,    " %u : %2u %c", &m, &s, &c))
+    h = 0;
+  else if (1 == sscanf (string,       " : %2u %c", &s, &c))
+    h = m = 0;
+  else if (1 == sscanf (string,          " %u %c",
+                        (seconds_default_p ? &s : &m), &c))
+    {
+      h = 0;
+      if (seconds_default_p) m = 0;
+      else s = 0;
+    }
+  else
+    {
+      if (! silent_p)
+        fprintf (stderr, "%s: invalid time interval specification \"%s\".\n",
+                 progname, string);
+      return -1;
+    }
+  if (s >= 60 && (h != 0 || m != 0))
+    {
+      if (! silent_p)
+        fprintf (stderr, "%s: seconds > 59 in \"%s\".\n", progname, string);
+      return -1;
+    }
+  if (m >= 60 && h > 0)
+    {
+      if (! silent_p)
+        fprintf (stderr, "%s: minutes > 59 in \"%s\".\n", progname, string);
+      return -1;
+    }
+  return ((h * 60 * 60) + (m * 60) + s);
+}
+
+static unsigned int 
+get_time_resource (char *res_name, char *res_class, Bool sec_p)
+{
+  int val;
+  char *s = get_string_resource (res_name, res_class);
+  if (!s) return 0;
+  val = parse_time (s, sec_p, False);
+  free (s);
+  return (val < 0 ? 0 : val);
+}
+
+unsigned int 
+get_seconds_resource (char *res_name, char *res_class)
+{
+  return get_time_resource (res_name, res_class, True);
+}
+
+unsigned int 
+get_minutes_resource (char *res_name, char *res_class)
+{
+  return get_time_resource (res_name, res_class, False);
+}