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[Pspp-cvs] pspp doc/utilities.texi src/language/lexer/Chan...


From: Ben Pfaff
Subject: [Pspp-cvs] pspp doc/utilities.texi src/language/lexer/Chan...
Date: Fri, 24 Aug 2007 05:00:51 +0000

CVSROOT:        /cvsroot/pspp
Module name:    pspp
Changes by:     Ben Pfaff <blp> 07/08/24 05:00:51

Modified files:
        doc            : utilities.texi 
        src/language/lexer: ChangeLog lexer.c 
        src/language/utilities: ChangeLog set.q 
        src/output     : ChangeLog automake.mk 
        src/ui/terminal: ChangeLog msg-ui.c read-line.c 
Added files:
        src/output     : journal.c journal.h 

Log message:
        Implement journaling.  Bug #17240.
                
        * msg-ui.c (handle_msg): Send message to write_journal function
        as well as msg_file.
        (dump_message): Change interface so that it takes a function
        pointer instead of a FILE.
        (write_stream): New function.
        (write_journal): New function.
        
        * read-line.c (welcome): Call journal_enable, so that the journal
        is enabled by default.
        
        * automake.mk (output_sources): Add journal.c, journal.h.
        
        * journal.c: New file.
        
        * journal.h: New file.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/pspp/doc/utilities.texi?cvsroot=pspp&r1=1.15&r2=1.16
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/lexer/ChangeLog?cvsroot=pspp&r1=1.27&r2=1.28
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/lexer/lexer.c?cvsroot=pspp&r1=1.24&r2=1.25
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/utilities/ChangeLog?cvsroot=pspp&r1=1.9&r2=1.10
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/utilities/set.q?cvsroot=pspp&r1=1.27&r2=1.28
http://cvs.savannah.gnu.org/viewcvs/pspp/src/output/ChangeLog?cvsroot=pspp&r1=1.25&r2=1.26
http://cvs.savannah.gnu.org/viewcvs/pspp/src/output/automake.mk?cvsroot=pspp&r1=1.3&r2=1.4
http://cvs.savannah.gnu.org/viewcvs/pspp/src/output/journal.c?cvsroot=pspp&rev=1.1
http://cvs.savannah.gnu.org/viewcvs/pspp/src/output/journal.h?cvsroot=pspp&rev=1.1
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/terminal/ChangeLog?cvsroot=pspp&r1=1.24&r2=1.25
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/terminal/msg-ui.c?cvsroot=pspp&r1=1.13&r2=1.14
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/terminal/read-line.c?cvsroot=pspp&r1=1.16&r2=1.17

Patches:
Index: doc/utilities.texi
===================================================================
RCS file: /cvsroot/pspp/pspp/doc/utilities.texi,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -b -r1.15 -r1.16
--- doc/utilities.texi  30 Jul 2007 09:43:27 -0000      1.15
+++ doc/utilities.texi  24 Aug 2007 05:00:50 -0000      1.16
@@ -592,8 +592,16 @@
 
 @table @asis
 @item JOURNAL
address@hidden LOG
-Not currently used.
address@hidden LOG
+These subcommands, which are synonyms, control the journal.  The
+default is ON, which causes commands entered interactively to be
+written to the journal file.  Commands included from syntax files that
+are included interactively and error messages printed by PSPP are also
+written to the journal file, prefixed by @samp{>}.  OFF disables use
+of the journal.
+
+The journal is named @file{pspp.jnl} by default.  A different name may
+be specified.
 @end table
 
 System file subcommands affect the default format of system files

Index: src/language/lexer/ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/lexer/ChangeLog,v
retrieving revision 1.27
retrieving revision 1.28
diff -u -b -r1.27 -r1.28
--- src/language/lexer/ChangeLog        3 Jun 2007 22:07:48 -0000       1.27
+++ src/language/lexer/ChangeLog        24 Aug 2007 05:00:50 -0000      1.28
@@ -1,3 +1,9 @@
+2007-08-16  Ben Pfaff  <address@hidden>
+
+       Implement journaling.  Bug #17240.
+       
+       * lexer.c (lex_get_line_raw): Pass the line read to journal_write.
+
 2007-06-03  Ben Pfaff  <address@hidden>
 
        Implement missing functions for subcommand integer lists.

Index: src/language/lexer/lexer.c
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/lexer/lexer.c,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -b -r1.24 -r1.25
--- src/language/lexer/lexer.c  2 Aug 2007 11:51:52 -0000       1.24
+++ src/language/lexer/lexer.c  24 Aug 2007 05:00:50 -0000      1.25
@@ -31,6 +31,7 @@
 #include <data/settings.h>
 #include <libpspp/getl.h>
 #include <libpspp/str.h>
+#include <output/journal.h>
 
 #include "size_max.h"
 
@@ -856,8 +857,13 @@
 lex_get_line_raw (struct lexer *lexer, enum getl_syntax *syntax)
 {
   enum getl_syntax dummy;
-  bool ok = getl_read_line (lexer->ss, &lexer->line_buffer,
-                              syntax != NULL ? syntax : &dummy);
+  bool ok;
+
+  if (syntax == NULL)
+    syntax = &dummy;
+  ok = getl_read_line (lexer->ss, &lexer->line_buffer, syntax);
+  journal_write (*syntax == GETL_BATCH, ds_cstr (&lexer->line_buffer));
+
   return ok;
 }
 

Index: src/language/utilities/ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/utilities/ChangeLog,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -b -r1.9 -r1.10
--- src/language/utilities/ChangeLog    6 May 2007 22:05:22 -0000       1.9
+++ src/language/utilities/ChangeLog    24 Aug 2007 05:00:50 -0000      1.10
@@ -1,3 +1,11 @@
+2007-08-16  Ben Pfaff  <address@hidden>
+
+       Implement journaling.  Bug #17240.
+       
+       * set.q: Add LOG subcommand as synonym for JOURNAL.
+       (stc_custom_journal): Implement.
+       (stc_custom_log): New function.
+
 2007-05-06  Ben Pfaff  <address@hidden>
 
        Abstract the documents within a dictionary a little better.

Index: src/language/utilities/set.q
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/utilities/set.q,v
retrieving revision 1.27
retrieving revision 1.28
diff -u -b -r1.27 -r1.28
--- src/language/utilities/set.q        7 Jul 2007 06:14:18 -0000       1.27
+++ src/language/utilities/set.q        24 Aug 2007 05:00:50 -0000      1.28
@@ -41,6 +41,7 @@
 #include <libpspp/magic.h>
 #include <libpspp/message.h>
 #include <math/random.h>
+#include <output/journal.h>
 #include <output/output.h>
 
 #if HAVE_LIBTERMCAP
@@ -83,6 +84,7 @@
      histogram=string "x==1" "one character long";
      include=inc:on/off;
      journal=custom;
+     log=custom;
      length=custom;
      listing=custom;
      lowres=lores:auto/on/off;
@@ -507,20 +509,30 @@
 stc_custom_journal (struct lexer *lexer, struct dataset *ds UNUSED, struct 
cmd_set *cmd UNUSED, void *aux UNUSED)
 {
   lex_match (lexer, '=');
-  if (!lex_match_id (lexer, "ON") && !lex_match_id (lexer, "OFF"))
+  if (lex_match_id (lexer, "ON") || lex_match_id (lexer, "YES"))
+    journal_enable ();
+  else if (lex_match_id (lexer, "OFF") || lex_match_id (lexer, "NO"))
+    journal_disable ();
+  else if (lex_token (lexer) == T_STRING || lex_token (lexer) == T_ID)
     {
-      if (lex_token (lexer) == T_STRING)
+      journal_set_file_name (ds_cstr (lex_tokstr (lexer)));
         lex_get (lexer);
+    }
       else
         {
           lex_error (lexer, NULL);
           return 0;
         }
-    }
   return 1;
 }
 
 static int
+stc_custom_log (struct lexer *lexer, struct dataset *ds UNUSED, struct cmd_set 
*cmd UNUSED, void *aux UNUSED)
+{
+  return stc_custom_journal (lexer, ds, cmd, aux);
+}
+
+static int
 stc_custom_listing (struct lexer *lexer, struct dataset *ds UNUSED, struct 
cmd_set *cmd UNUSED, void *aux UNUSED)
 {
   bool listing;

Index: src/output/ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/src/output/ChangeLog,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -b -r1.25 -r1.26
--- src/output/ChangeLog        16 Aug 2007 06:30:23 -0000      1.25
+++ src/output/ChangeLog        24 Aug 2007 05:00:50 -0000      1.26
@@ -1,3 +1,13 @@
+2007-08-23  Ben Pfaff  <address@hidden>
+
+       Implement journaling.  Bug #17240.
+       
+       * automake.mk (output_sources): Add journal.c, journal.h.
+       
+       * journal.c: New file.
+       
+       * journal.h: New file.
+
 2007-08-16  Ben Pfaff  <address@hidden>
 
        * output.c output.h: export function outp_configure_driver_line.

Index: src/output/automake.mk
===================================================================
RCS file: /cvsroot/pspp/pspp/src/output/automake.mk,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -b -r1.3 -r1.4
--- src/output/automake.mk      3 Apr 2006 20:07:54 -0000       1.3
+++ src/output/automake.mk      24 Aug 2007 05:00:50 -0000      1.4
@@ -11,6 +11,8 @@
        src/output/ascii.c \
        src/output/html.c \
        src/output/htmlP.h \
+       src/output/journal.c \
+       src/output/journal.h \
        src/output/output.c \
        src/output/output.h \
        src/output/postscript.c \

Index: src/ui/terminal/ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/terminal/ChangeLog,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -b -r1.24 -r1.25
--- src/ui/terminal/ChangeLog   27 Jul 2007 22:58:03 -0000      1.24
+++ src/ui/terminal/ChangeLog   24 Aug 2007 05:00:51 -0000      1.25
@@ -1,3 +1,17 @@
+2007-08-23  Ben Pfaff  <address@hidden>
+
+       Implement journaling.  Bug #17240.
+       
+       * msg-ui.c (handle_msg): Send message to write_journal function
+       as well as msg_file.
+       (dump_message): Change interface so that it takes a function
+       pointer instead of a FILE.
+       (write_stream): New function.
+       (write_journal): New function.
+       
+       * read-line.c (welcome): Call journal_enable, so that the journal
+       is enabled by default.
+
 2007-07-25  Ben Pfaff  <address@hidden>
 
        Make interactive output go to the terminal (bug #17213), by

Index: src/ui/terminal/msg-ui.c
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/terminal/msg-ui.c,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -b -r1.13 -r1.14
--- src/ui/terminal/msg-ui.c    7 Jul 2007 06:14:31 -0000       1.13
+++ src/ui/terminal/msg-ui.c    24 Aug 2007 05:00:51 -0000      1.14
@@ -25,6 +25,7 @@
 #include <data/settings.h>
 #include <libpspp/message.h>
 #include <libpspp/str.h>
+#include <output/journal.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -112,9 +113,11 @@
   return error_count > 0;
 }
 
-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 *);
+typedef void write_line_func (int indent, struct substring line, void *aux);
+static void dump_message (char *msg, unsigned width, unsigned indent,
+                          write_line_func *, void *aux);
+static write_line_func write_stream;
+static write_line_func write_journal;
 
 static void
 handle_msg (const struct msg *m)
@@ -169,16 +172,21 @@
   ds_put_cstr (&string, m->text);
 
   if (msg_file != stdout || get_error_routing_to_terminal ())
-    dump_message (ds_cstr (&string), get_viewwidth (), 8, msg_file);
+    dump_message (ds_cstr (&string), get_viewwidth (), 8,
+                  write_stream, msg_file);
+
+  dump_message (ds_cstr (&string), 78, 0, write_journal, NULL);
 
   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. */
+   lines by calling DUMP_LINE for each line, passing AUX as
+   auxiliary data. */
 static void
-dump_message (char *msg, unsigned width, unsigned indent, FILE *stream)
+dump_message (char *msg, unsigned width, unsigned indent,
+              write_line_func *dump_line, void *aux)
 {
   size_t length = strlen (msg);
   char *string, *breaks;
@@ -194,8 +202,7 @@
     {
       free (string);
       free (breaks);
-      fputs (msg, stream);
-      putc ('\n', stream);
+      dump_line (0, ss_cstr (msg), aux);
       return;
     }
 
@@ -210,42 +217,44 @@
   line_start = 0;
   line_indent = 0;
   for (i = 0; i < length; i++)
-    switch (breaks[i])
+    if (breaks[i] == UC_BREAK_POSSIBLE || breaks[i] == UC_BREAK_MANDATORY)
       {
-      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;
+        dump_line (line_indent,
+                   ss_buffer (string + line_start, i - line_start), aux);
         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;
+
+        /* UC_BREAK_POSSIBLE means that a line break can be
+           inserted, and that the character should be included
+           in the next line.
+           UC_BREAK_MANDATORY means that this character is a line
+           break, so it should not be included in the next line. */
+        line_start = i + (breaks[i] == UC_BREAK_MANDATORY);
       }
   if (line_start < length)
-    dump_line (line_indent, &string[line_start], length - line_start, stream);
+    dump_line (line_indent,
+               ss_buffer (string + line_start, length - line_start), aux);
 
   free (string);
   free (breaks);
 }
 
-/* Write LINE_INDENT spaces, the LENGTH characters in LINE, then
-   a new-line to STREAM. */
+/* Write LINE_INDENT spaces, LINE, then a new-line to STREAM. */
 static void
-dump_line (int line_indent, const char *line, size_t length, FILE *stream)
+write_stream (int line_indent, struct substring line, void *stream_)
 {
+  FILE *stream = stream_;
   int i;
   for (i = 0; i < line_indent; i++)
     putc (' ', stream);
-  fwrite (line, 1, length, stream);
+  fwrite (ss_data (line), 1, ss_length (line), stream);
   putc ('\n', stream);
 }
 
+/* Writes LINE to the journal. */
+static void
+write_journal (int line_indent, struct substring line, void *unused UNUSED)
+{
+  char *s = xstrndup (ss_data (line), ss_length (line));
+  journal_write (true, s);
+  free (s);
+}

Index: src/ui/terminal/read-line.c
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/terminal/read-line.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -b -r1.16 -r1.17
--- src/ui/terminal/read-line.c 27 Jul 2007 22:58:03 -0000      1.16
+++ src/ui/terminal/read-line.c 24 Aug 2007 05:00:51 -0000      1.17
@@ -32,6 +32,7 @@
 #include <libpspp/str.h>
 #include <libpspp/version.h>
 #include <language/prompt.h>
+#include <output/journal.h>
 #include <output/manager.h>
 
 #include "xalloc.h"
@@ -129,6 +130,7 @@
         "warranty.\" for details.\n", stdout);
   puts (stat_version);
   readln_initialize ();
+  journal_enable ();
 }
 
 /* Gets a line from the user and stores it into LINE.

Index: src/output/journal.c
===================================================================
RCS file: src/output/journal.c
diff -N src/output/journal.c
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ src/output/journal.c        24 Aug 2007 05:00:51 -0000      1.1
@@ -0,0 +1,101 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2007 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 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, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include <output/journal.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <libpspp/str.h>
+
+#include "fwriteerror.h"
+#include "error.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+/* Journaling enabled? */
+static bool journal_enabled = false;
+
+/* Name of the journal file. */
+static char *journal_file_name = NULL;
+
+/* Journal file. */
+static FILE *journal_file = NULL;
+
+/* Enables journaling. */
+void
+journal_enable (void)
+{
+  journal_enabled = true;
+}
+
+/* Disables journaling. */
+void
+journal_disable (void)
+{
+  journal_enabled = false;
+  if (journal_file != NULL)
+    fflush (journal_file);
+}
+
+/* Sets the name of the journal file to FILE_NAME. */
+void
+journal_set_file_name (const char *file_name)
+{
+  assert (file_name != NULL);
+
+  if (journal_file != NULL)
+    {
+      if (fwriteerror (journal_file))
+        error (0, errno, _("error writing \"%s\""), journal_file_name);
+    }
+
+  free (journal_file_name);
+  journal_file_name = xstrdup (file_name);
+}
+
+/* Writes LINE to the journal file (if journaling is enabled).
+   If PREFIX is non-null, the line will be prefixed by "> ". */
+void
+journal_write (bool prefix, const char *line)
+{
+  if (!journal_enabled)
+    return;
+
+  if (journal_file == NULL)
+    {
+      if (journal_file_name == NULL)
+        journal_file_name = xstrdup ("pspp.jnl");
+      journal_file = fopen (journal_file_name, "w");
+      if (journal_file == NULL)
+        {
+          error (0, errno, _("error creating \"%s\""), journal_file_name);
+          journal_enabled = false;
+          return;
+        }
+    }
+
+  if (prefix)
+    fputs ("> ", journal_file);
+  fputs (line, journal_file);
+  if (strchr (line, '\n') == NULL)
+    putc ('\n', journal_file);
+}

Index: src/output/journal.h
===================================================================
RCS file: src/output/journal.h
diff -N src/output/journal.h
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ src/output/journal.h        24 Aug 2007 05:00:51 -0000      1.1
@@ -0,0 +1,34 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2007 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 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, see <http://www.gnu.org/licenses/>. */
+
+/* Journal for commands and errors.
+
+   The journal file records the commands entered interactively
+   during a PSPP session.  It also records, prefixed by "> ",
+   commands from files included with interactive commands and
+   errors. */
+
+#ifndef OUTPUT_JOURNAL_H
+#define OUTPUT_JOURNAL_H 1
+
+#include <stdbool.h>
+
+void journal_enable (void);
+void journal_disable (void);
+void journal_set_file_name (const char *);
+void journal_write (bool prefix, const char *);
+
+#endif /* output/journal.h */




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