-/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
- Written by Ben Pfaff <blp@gnu.org>.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 1997-9, 2000, 2006, 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 the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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.
+ 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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
-#include "format-parser.h"
+#include "language/lexer/format-parser.h"
#include <ctype.h>
+#include <stdint.h>
#include <stdlib.h>
-#include "lexer.h"
-#include <data/format.h>
-#include <data/variable.h>
-#include <language/lexer/format-parser.h>
-#include <libpspp/message.h>
-#include <libpspp/misc.h>
-#include <libpspp/str.h>
-
-#include "size_max.h"
+#include "data/format.h"
+#include "data/variable.h"
+#include "language/lexer/format-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "libpspp/str.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
-/* Parses a token taking the form of a format specifier and
- returns true only if successful. Emits an error message on
- failure. Stores a null-terminated string representing the
- format type in TYPE, and the width and number of decimal
- places in *WIDTH and *DECIMALS.
-
- TYPE is not checked as to whether it is really the name of a
- format. Both width and decimals are considered optional. If
- missing, *WIDTH or *DECIMALS or both will be set to 0. */
-bool
-parse_abstract_format_specifier (char type[FMT_TYPE_LEN_MAX + 1],
- int *width, int *decimals)
+static bool
+parse_abstract_format_specifier__ (struct lexer *lexer,
+ char type[FMT_TYPE_LEN_MAX + 1],
+ int *width, int *decimals)
{
struct substring s;
struct substring type_ss, width_ss, decimals_ss;
bool has_decimals;
- if (token != T_ID)
+ if (lex_token (lexer) != T_ID)
goto error;
/* Extract pieces. */
- s = ds_ss (&tokstr);
- ss_get_chars (&s, ss_span (s, ss_cstr (CC_LETTERS)), &type_ss);
- ss_get_chars (&s, ss_span (s, ss_cstr (CC_DIGITS)), &width_ss);
- if (ss_match_char (&s, '.'))
+ s = ss_cstr (lex_tokcstr (lexer));
+ ss_get_bytes (&s, ss_span (s, ss_cstr (CC_LETTERS)), &type_ss);
+ ss_get_bytes (&s, ss_span (s, ss_cstr (CC_DIGITS)), &width_ss);
+ if (ss_match_byte (&s, '.'))
{
has_decimals = true;
- ss_get_chars (&s, ss_span (s, ss_cstr (CC_DIGITS)), &decimals_ss);
+ ss_get_bytes (&s, ss_span (s, ss_cstr (CC_DIGITS)), &decimals_ss);
}
else
has_decimals = false;
*width = strtol (ss_data (width_ss), NULL, 10);
*decimals = has_decimals ? strtol (ss_data (decimals_ss), NULL, 10) : 0;
- lex_get ();
return true;
- error:
- lex_error (_("expecting valid format specifier"));
+error:
+ lex_error (lexer, _("expecting valid format specifier"));
return false;
}
+/* Parses a token taking the form of a format specifier and
+ returns true only if successful. Emits an error message on
+ failure. Stores a null-terminated string representing the
+ format type in TYPE, and the width and number of decimal
+ places in *WIDTH and *DECIMALS.
+
+ TYPE is not checked as to whether it is really the name of a
+ format. Both width and decimals are considered optional. If
+ missing, *WIDTH or *DECIMALS or both will be set to 0. */
+bool
+parse_abstract_format_specifier (struct lexer *lexer,
+ char type[FMT_TYPE_LEN_MAX + 1],
+ int *width, int *decimals)
+{
+ bool ok = parse_abstract_format_specifier__ (lexer, type, width, decimals);
+ if (ok)
+ lex_get (lexer);
+ return ok;
+}
+
/* Parses a format specifier from the token stream and returns
true only if successful. Emits an error message on
failure. The caller should call check_input_specifier() or
check_output_specifier() on the parsed format as
necessary. */
bool
-parse_format_specifier (struct fmt_spec *format)
+parse_format_specifier (struct lexer *lexer, struct fmt_spec *format)
{
char type[FMT_TYPE_LEN_MAX + 1];
- if (!parse_abstract_format_specifier (type, &format->w, &format->d))
+ if (!parse_abstract_format_specifier__ (lexer, type, &format->w, &format->d))
return false;
if (!fmt_from_name (type, &format->type))
{
- msg (SE, _("Unknown format type \"%s\"."), type);
+ msg (SE, _("Unknown format type `%s'."), type);
return false;
}
-
+
+ lex_get (lexer);
return true;
}
/* Parses a token containing just the name of a format type and
returns true if successful. */
bool
-parse_format_specifier_name (enum fmt_type *type)
+parse_format_specifier_name (struct lexer *lexer, enum fmt_type *type)
{
- if (token != T_ID)
+ if (lex_token (lexer) != T_ID)
{
- lex_error (_("expecting format type"));
+ lex_error (lexer, _("expecting format type"));
return false;
}
- if (!fmt_from_name (ds_cstr (&tokstr), type))
+ if (!fmt_from_name (lex_tokcstr (lexer), type))
{
- msg (SE, _("Unknown format type \"%s\"."), ds_cstr (&tokstr));
+ msg (SE, _("Unknown format type `%s'."), lex_tokcstr (lexer));
return false;
}
- lex_get ();
+ lex_get (lexer);
return true;
}
projects / pspp-builds.git / blobdiff