--- /dev/null
+/* PSPP - computes sample statistics.
+ Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
+ Written by Ben Pfaff <blp@gnu.org>.
+
+ 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 2 of the
+ License, 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 "msg-ui.h"
+
+#include "exit.h"
+#include "linebreak.h"
+
+#include <language/line-buffer.h>
+#include <data/settings.h>
+#include <libpspp/message.h>
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+/* Number of errors, warnings reported. */
+static int error_count;
+static int warning_count;
+
+static void handle_msg (const struct msg *);
+
+void
+msg_ui_init (void)
+{
+ msg_init (handle_msg);
+}
+
+void
+msg_ui_done (void)
+{
+ msg_done ();
+}
+
+/* Checks whether we've had so many errors that it's time to quit
+ processing this syntax file. */
+void
+check_msg_count (void)
+{
+ if (!getl_is_interactive ())
+ {
+ if (get_errorbreak () && error_count)
+ msg (MN, _("Terminating execution of syntax file due to error."));
+ else if (error_count > get_mxerrs() )
+ msg (MN, _("Errors (%d) exceeds limit (%d)."),
+ error_count, get_mxerrs());
+ else if (error_count + warning_count > get_mxwarns() )
+ msg (MN, _("Warnings (%d) exceed limit (%d)."),
+ error_count + warning_count, get_mxwarns() );
+ else
+ return;
+
+ getl_abort_noninteractive ();
+ }
+}
+
+void
+reset_msg_count (void)
+{
+ error_count = warning_count = 0;
+}
+
+bool
+any_errors (void)
+{
+ return error_count > 0;
+}
+\f
+static void dump_message (char *msg, unsigned width, unsigned indent, FILE *);
+static void dump_line (int line_indent, const char *line, size_t length,
+ FILE *);
+
+static void
+handle_msg (const struct msg *m)
+{
+ struct category
+ {
+ bool show_command_name; /* Show command name with error? */
+ bool show_file_location; /* Show syntax file location? */
+ };
+
+ static const struct category categories[] =
+ {
+ {false, false}, /* MSG_GENERAL. */
+ {true, true}, /* MSG_SYNTAX. */
+ {false, true}, /* MSG_DATA. */
+ };
+
+ struct severity
+ {
+ const char *name; /* How to identify this severity. */
+ int *count; /* Number of msgs with this severity so far. */
+ };
+
+ static struct severity severities[] =
+ {
+ {N_("error"), &error_count}, /* MSG_ERROR. */
+ {N_("warning"), &warning_count}, /* MSG_WARNING. */
+ {NULL, NULL}, /* MSG_NOTE. */
+ };
+
+ const struct category *category = &categories[m->category];
+ const struct severity *severity = &severities[m->severity];
+ struct string string = DS_INITIALIZER;
+
+ if (category->show_file_location && m->where.file_name)
+ {
+ ds_printf (&string, "%s:", m->where.file_name);
+ if (m->where.line_number != -1)
+ ds_printf (&string, "%d:", m->where.line_number);
+ ds_putc (&string, ' ');
+ }
+
+ if (severity->name != NULL)
+ ds_printf (&string, "%s: ", gettext (severity->name));
+
+ if (severity->count != NULL)
+ ++*severity->count;
+
+ if (category->show_command_name && msg_get_command_name () != NULL)
+ ds_printf (&string, "%s: ", msg_get_command_name ());
+
+ ds_puts (&string, m->text);
+
+ /* FIXME: Check set_messages and set_errors to determine where to
+ send errors and messages. */
+ dump_message (ds_c_str (&string), get_viewwidth (), 8, stdout);
+
+ ds_destroy (&string);
+}
+
+/* Divides MSG into lines of WIDTH width for the first line and
+ WIDTH - INDENT width for each succeeding line, and writes the
+ lines to STREAM. */
+static void
+dump_message (char *msg, unsigned width, unsigned indent, FILE *stream)
+{
+ size_t length = strlen (msg);
+ char *string, *breaks;
+ int line_indent;
+ size_t line_start, i;
+
+ /* Allocate temporary buffers.
+ If we can't get memory for them, then just dump the whole
+ message. */
+ string = strdup (msg);
+ breaks = malloc (length);
+ if (string == NULL || breaks == NULL)
+ {
+ free (string);
+ free (breaks);
+ fputs (msg, stream);
+ putc ('\n', stream);
+ return;
+ }
+
+ /* Break into lines. */
+ if (indent > width / 3)
+ indent = width / 3;
+ mbs_width_linebreaks (string, length,
+ width - indent, -indent, 0,
+ NULL, locale_charset (), breaks);
+
+ /* Write out lines. */
+ line_start = 0;
+ line_indent = 0;
+ for (i = 0; i < length; i++)
+ switch (breaks[i])
+ {
+ case UC_BREAK_POSSIBLE:
+ /* Break before this character,
+ and include this character in the next line. */
+ dump_line (line_indent, &string[line_start], i - line_start, stream);
+ line_start = i;
+ line_indent = indent;
+ break;
+ case UC_BREAK_MANDATORY:
+ /* Break before this character,
+ but don't include this character in the next line
+ (because it'string a new-line). */
+ dump_line (line_indent, &string[line_start], i - line_start, stream);
+ line_start = i + 1;
+ line_indent = indent;
+ break;
+ default:
+ break;
+ }
+ if (line_start < length)
+ dump_line (line_indent, &string[line_start], length - line_start, stream);
+
+ free (string);
+ free (breaks);
+}
+
+/* Write LINE_INDENT spaces, the LENGTH characters in LINE, then
+ a new-line to STREAM. */
+static void
+dump_line (int line_indent, const char *line, size_t length, FILE *stream)
+{
+ int i;
+ for (i = 0; i < line_indent; i++)
+ putc (' ', stream);
+ fwrite (line, 1, length, stream);
+ putc ('\n', stream);
+}
+
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