/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2009, 2010, 2011 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
#include <stdio.h>
#include <stdlib.h>
-#include <data/procedure.h>
-#include <data/value-labels.h>
-#include <data/variable.h>
-#include <language/command.h>
-#include <language/lexer/lexer.h>
-#include <language/lexer/value-parser.h>
-#include <language/lexer/variable-parser.h>
-#include <libpspp/message.h>
-#include <libpspp/str.h>
+#include "data/dataset.h"
+#include "data/dictionary.h"
+#include "data/value-labels.h"
+#include "data/variable.h"
+#include "language/command.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/value-parser.h"
+#include "language/lexer/variable-parser.h"
+#include "libpspp/i18n.h"
+#include "libpspp/message.h"
+#include "libpspp/str.h"
-#include "xalloc.h"
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
static int do_value_labels (struct lexer *,
const struct dictionary *dict, bool);
-static void erase_labels (struct variable **vars, size_t var_cnt);
-static int get_label (struct lexer *, struct variable **vars, size_t var_cnt);
+static void erase_labels (struct variable **vars, size_t n_vars);
+static int get_label (struct lexer *, struct variable **vars, size_t n_vars,
+ const char *dict_encoding);
\f
/* Stubs. */
do_value_labels (struct lexer *lexer, const struct dictionary *dict, bool erase)
{
struct variable **vars; /* Variable list. */
- size_t var_cnt; /* Number of variables. */
+ size_t n_vars; /* Number of variables. */
int parse_err=0; /* true if error parsing variables */
- lex_match (lexer, '/');
+ lex_match (lexer, T_SLASH);
- while (lex_token (lexer) != '.')
+ while (lex_token (lexer) != T_ENDCMD)
{
- parse_err = !parse_variables (lexer, dict, &vars, &var_cnt,
+ parse_err = !parse_variables (lexer, dict, &vars, &n_vars,
PV_SAME_WIDTH);
- if (var_cnt < 1)
+ if (n_vars < 1)
{
free(vars);
return CMD_FAILURE;
}
if (erase)
- erase_labels (vars, var_cnt);
- while (lex_token (lexer) != '/' && lex_token (lexer) != '.')
- if (!get_label (lexer, vars, var_cnt))
+ erase_labels (vars, n_vars);
+ while (lex_token (lexer) != T_SLASH && lex_token (lexer) != T_ENDCMD)
+ if (!get_label (lexer, vars, n_vars, dict_get_encoding (dict)))
goto lossage;
- if (lex_token (lexer) != '/')
+ if (lex_token (lexer) != T_SLASH)
{
free (vars);
break;
free (vars);
}
- if (parse_err)
- return CMD_FAILURE;
-
- return lex_end_of_command (lexer);
+ return parse_err ? CMD_FAILURE : CMD_SUCCESS;
lossage:
free (vars);
return CMD_FAILURE;
}
-/* Erases all the labels for the VAR_CNT variables in VARS. */
+/* Erases all the labels for the N_VARS variables in VARS. */
static void
-erase_labels (struct variable **vars, size_t var_cnt)
+erase_labels (struct variable **vars, size_t n_vars)
{
- size_t i;
-
/* Erase old value labels if desired. */
- for (i = 0; i < var_cnt; i++)
+ for (size_t i = 0; i < n_vars; i++)
var_clear_value_labels (vars[i]);
}
-/* Parse all the labels for the VAR_CNT variables in VARS and add
+/* Parse all the labels for the N_VARS variables in VARS and add
the specified labels to those variables. */
static int
-get_label (struct lexer *lexer, struct variable **vars, size_t var_cnt)
+get_label (struct lexer *lexer, struct variable **vars, size_t n_vars,
+ const char *dict_encoding)
{
/* Parse all the labels and add them to the variables. */
do
{
+ enum { MAX_LABEL_LEN = 255 };
int width = var_get_width (vars[0]);
union value value;
struct string label;
+ size_t trunc_len;
size_t i;
/* Set value. */
value_init (&value, width);
- if (!parse_value (lexer, &value, width))
+ if (!parse_value (lexer, &value, vars[0]))
{
value_destroy (&value, width);
return 0;
}
- lex_match (lexer, ',');
+ lex_match (lexer, T_COMMA);
/* Set label. */
if (lex_token (lexer) != T_ID && !lex_force_string (lexer))
return 0;
}
- ds_init_string (&label, lex_tokstr (lexer));
+ ds_init_substring (&label, lex_tokss (lexer));
- if (ds_length (&label) > 60)
+ trunc_len = utf8_encoding_trunc_len (ds_cstr (&label), dict_encoding,
+ MAX_LABEL_LEN);
+ if (ds_length (&label) > trunc_len)
{
- msg (SW, _("Truncating value label to 60 characters."));
- ds_truncate (&label, 60);
+ lex_next_msg (lexer, SW, 0, 0,
+ _("Truncating value label to %d bytes."),
+ MAX_LABEL_LEN);
+ ds_truncate (&label, trunc_len);
}
- for (i = 0; i < var_cnt; i++)
+ for (i = 0; i < n_vars; i++)
var_replace_value_label (vars[i], &value, ds_cstr (&label));
ds_destroy (&label);
value_destroy (&value, width);
lex_get (lexer);
- lex_match (lexer, ',');
+ lex_match (lexer, T_COMMA);
}
- while (lex_token (lexer) != '/' && lex_token (lexer) != '.');
+ while (lex_token (lexer) != T_SLASH && lex_token (lexer) != T_ENDCMD);
return 1;
}