glibc/locale/collate.c

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/* Copyright (C) 1995 Free Software Foundation, Inc.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <langinfo.h>
#include <libintl.h>
#include "localedef.h"
#include "token.h"
/* defined in locfile-lex.c: flag to indicate that unknown element names
are allowed. */
extern int reject_new_char;
#define SYNTAX_ERROR \
error (0, 0, gettext ("%s:%Zd: syntax error in locale definition file"), \
locfile_data.filename, locfile_data.line_no);
void
collate_input (int token)
{
int read_order_start = 0;
while (1)
{
char *ptr;
int len;
if (token == TOK_END)
/* This is the end of the category. */
{
token = xlocfile_lex (&ptr, &len);
if (token != _NL_NUM_LC_COLLATE)
{
error (0, 0, gettext ("%s:%Zd: category `%s' does not end "
"with `END %s'"), locfile_data.filename,
locfile_data.line_no, "LC_COLLATE", "LC_COLLATE");
ignore_to_eol (0, 0);
}
else
ignore_to_eol (0, 1);
/* Start next category. */
break;
}
#if 0
/* Process line. */
if (read_order_start == 0)
/* We're still in the preambel. */
{
switch (token)
{
case TOK_COLLATING_ELEMENT:
reject_new_char = 0;
token = xlocfile_lex (&ptr, &len);
reject_new_char = 1;
if (token == TOK_CHAR)
{
error (0, 0, gettext ("%s:%Zd: symbolic name must not be "
"duplicate name in charmap"),
locfile_data.filename, locfile_data.line_no);
ignore_to_eol (0, 0);
break;
}
else if (token != TOK_ILL_CHAR)
{
SYNTAX_ERROR;
ignore_to_eol (0, 0);
break;
}
else
{
char elem_name[len + 1];
memcpy (elem_name, ptr, len);
elem_name[len] = '\0';
/* Test whether defined in symbol table. */
token = xlocfile_lex (&ptr, &len);
if (token != TOK_FROM)
{
SYNTAX_ERROR;
ignore_to_eol (0, 0);
break;
}
token = xlocfile_lex (&ptr, &len);
if (token != TOK_STRING)
{
SYNTAX_ERROR;
ignore_to_eol (0, 0);
break;
}
/* Insert collating element into table. */
/* Rest of the line should be empty. */
ignore_to_eol (0, 1);
}
break;
case TOK_COLLATING_SYMBOL:
reject_new_char = 0;
token = xlocfile_lex (&ptr, &len);
reject_new_char = 1;
if (token == TOK_CHAR)
{
error (0, 0, gettext ("%s:%Zd: symbolic name must not "
"duplicate name in charmap"),
locfile_data.filename, locfile_data.line_no);
ignore_to_eol (0, 0);
break;
}
else if (token != TOK_ILL_CHAR)
{
SYNTAX_ERROR;
ignore_to_eol (0, 0);
break;
}
else
{
/* Test whether defined in element table. */
/* Insert collating symbol into table. */
ignore_to_eol (0, 1);
}
case TOK_ORDER_START:
nsort_rules = 0;
do
{
token = xlocfile_lex (&ptr, &len);
if (nsort_rules == 0 && token == ENDOFLINE)
break;
if (token != TOK_BACKWARD && token != TOK_FORWARD
&& token != TOK_POSITION)
{
SYNTAX_ERROR;
break;
}
switch (token)
{
case TOK_BACKWARD:
if ((sort_rule[nsort_rules] & FORWARD_BIT) != 0)
error (0, 0, gettext ("%s:%Zd: directives `forward' "
"and `backward' are mutually "
"exclusive"),
locfile_data.filename, locfile_data.lineno);
else
sort_rule[nsort_rules] |= BACKWARD_BIT;
break;
case TOK_FORWARD:
if ((sort_rule[nsort_rules] & BACKWARD_BIT) != 0)
error (0, 0, gettext ("%s:%Zd: directives `forward' "
"and `backward' are mutually "
"exclusive"),
locfile_data.filename, locfile_data.lineno);
else
sort_rule[nsort_rules] |= FORWARD_BIT;
break;
case TOK_POSITION:
sort_rule[nsort_rules] |= POSITION_BIT;
break;
}
++nsort_rules;
}
break;
default:
SYNTAX_ERROR;
ignore_to_eol (token, 0);
}
}
else
{
}
#endif
ignore_to_eol(token,0);
/* Get next token. */
token = xlocfile_lex (&ptr, &len);
}
}
/*
* Local Variables:
* mode:c
* c-basic-offset:2
* End:
*/