1 files changed, 86 insertions, 0 deletions
diff --git a/liba2ps/message.c b/liba2ps/message.c
new file mode 100644
index 0000000..4211842
--- /dev/null
+++ b/liba2ps/message.c
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+/* message.c - declaration for verbosity sensitive feedback function
+   Copyright 1998-2017 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <string.h>
+
+/* Jim Meyering writes:
+
+   "... Some ctype macros are valid only for character codes that
+   isascii says are ASCII (SGI's IRIX-4.0.5 is one such system --when
+   using /bin/cc or gcc but without giving an ansi option).  So, all
+   ctype uses should be through macros like ISPRINT...  If
+   STDC_HEADERS is defined, then autoconf has verified that the ctype
+   macros don't need to be guarded with references to isascii. ...
+   Defining isascii to 1 should let any compiler worth its salt
+   eliminate the && through constant folding."  */
+
+#define ISASCII(c) isascii((int) c)
+#define ISDIGIT(c) (ISASCII (c) && isdigit   ((int) c))
+
+
+/* We want strtok. */
+#include "message.h"
+#include "argmatch.h"
+#include "getnum.h"
+
+/* The bigger, the more verbose.  Should be set by application */
+
+unsigned int msg_verbosity = 0;
+
+
+/* Decoce the ARG as a value for verbosity level, return the value.
+   Use OPTION as the context name when raise an error.  */
+
+#define verbosity_sep ",:;+"
+
+
+/* Include the definition of the arguments/values to set the verbosity
+   level. */
+
+#include "msg.c"
+
+unsigned int
+msg_verbosity_argmatch (const char *option, char *arg)
+{
+  unsigned res = 0;
+
+  if (ISDIGIT (*arg))
+    {
+      /* The verbosity is set through an integer value */
+      res = (unsigned) get_integer_in_range (option, arg, 0, 0, range_min);
+    }
+  else
+    {
+      /* Keywords are used to define verbosity level */
+      char *token = strtok (arg, verbosity_sep);
+      do
+	{
+	  res |= (unsigned) XARGMATCH (option, token,
+                                       _msg_verbosity_args, _msg_verbosity_types);
+	}
+      while ((token = strtok (NULL, verbosity_sep)));
+    }
+
+  return res;
+}