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/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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; 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, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <error.h>
#include <langinfo.h>
#include <string.h>
#include <stdint.h>
#include <sys/uio.h>
#include <assert.h>
#include "localedef.h"
#include "localeinfo.h"
#include "locfile.h"
/* The real definition of the struct for the LC_PAPER locale. */
struct locale_paper_t
{
uint32_t height;
uint32_t width;
};
static void
paper_startup (struct linereader *lr, struct localedef_t *locale,
int ignore_content)
{
if (!ignore_content)
locale->categories[LC_PAPER].paper =
(struct locale_paper_t *) xcalloc (1, sizeof (struct locale_paper_t));
if (lr != NULL)
{
lr->translate_strings = 1;
lr->return_widestr = 0;
}
}
void
paper_finish (struct localedef_t *locale, const struct charmap_t *charmap)
{
struct locale_paper_t *paper = locale->categories[LC_PAPER].paper;
int nothing = 0;
/* Now resolve copying and also handle completely missing definitions. */
if (paper == NULL)
{
/* First see whether we were supposed to copy. If yes, find the
actual definition. */
if (locale->copy_name[LC_PAPER] != NULL)
{
/* Find the copying locale. This has to happen transitively since
the locale we are copying from might also copying another one. */
struct localedef_t *from = locale;
do
from = find_locale (LC_PAPER, from->copy_name[LC_PAPER],
from->repertoire_name, charmap);
while (from->categories[LC_PAPER].paper == NULL
&& from->copy_name[LC_PAPER] != NULL);
paper = locale->categories[LC_PAPER].paper
= from->categories[LC_PAPER].paper;
}
/* If there is still no definition issue an warning and create an
empty one. */
if (paper == NULL)
{
if (! be_quiet)
WITH_CUR_LOCALE (error (0, 0, _("\
No definition for %s category found"), "LC_PAPER"));
paper_startup (NULL, locale, 0);
paper = locale->categories[LC_PAPER].paper;
nothing = 1;
}
}
if (paper->height == 0)
{
if (! nothing)
WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
"LC_PAPER", "height"));
/* Use as default values the values from the i18n locale. */
paper->height = 297;
}
if (paper->width == 0)
{
if (! nothing)
WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
"LC_PAPER", "width"));
/* Use as default values the values from the i18n locale. */
paper->width = 210;
}
}
void
paper_output (struct localedef_t *locale, const struct charmap_t *charmap,
const char *output_path)
{
struct locale_paper_t *paper = locale->categories[LC_PAPER].paper;
struct locale_file file;
init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_PAPER));
add_locale_uint32 (&file, paper->height);
add_locale_uint32 (&file, paper->width);
add_locale_string (&file, charmap->code_set_name);
write_locale_data (output_path, LC_PAPER, "LC_PAPER", &file);
}
/* The parser for the LC_PAPER section of the locale definition. */
void
paper_read (struct linereader *ldfile, struct localedef_t *result,
const struct charmap_t *charmap, const char *repertoire_name,
int ignore_content)
{
struct locale_paper_t *paper;
struct token *now;
struct token *arg;
enum token_t nowtok;
/* The rest of the line containing `LC_PAPER' must be empty. */
lr_ignore_rest (ldfile, 1);
do
{
now = lr_token (ldfile, charmap, result, NULL, verbose);
nowtok = now->tok;
}
while (nowtok == tok_eol);
/* If we see `copy' now we are almost done. */
if (nowtok == tok_copy)
{
handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_paper,
LC_PAPER, "LC_PAPER", ignore_content);
return;
}
/* Prepare the data structures. */
paper_startup (ldfile, result, ignore_content);
paper = result->categories[LC_PAPER].paper;
while (1)
{
/* Of course we don't proceed beyond the end of file. */
if (nowtok == tok_eof)
break;
/* Ingore empty lines. */
if (nowtok == tok_eol)
{
now = lr_token (ldfile, charmap, result, NULL, verbose);
nowtok = now->tok;
continue;
}
switch (nowtok)
{
#define INT_ELEM(cat) \
case tok_##cat: \
/* Ignore the rest of the line if we don't need the input of \
this line. */ \
if (ignore_content) \
{ \
lr_ignore_rest (ldfile, 0); \
break; \
} \
\
arg = lr_token (ldfile, charmap, result, NULL, verbose); \
if (arg->tok != tok_number) \
goto err_label; \
else if (paper->cat != 0) \
lr_error (ldfile, _("%s: field `%s' declared more than once"), \
"LC_PAPER", #cat); \
else if (!ignore_content) \
paper->cat = arg->val.num; \
break
INT_ELEM (height);
INT_ELEM (width);
case tok_end:
/* Next we assume `LC_PAPER'. */
arg = lr_token (ldfile, charmap, result, NULL, verbose);
if (arg->tok == tok_eof)
break;
if (arg->tok == tok_eol)
lr_error (ldfile, _("%s: incomplete `END' line"), "LC_PAPER");
else if (arg->tok != tok_lc_paper)
lr_error (ldfile, _("\
%1$s: definition does not end with `END %1$s'"), "LC_PAPER");
lr_ignore_rest (ldfile, arg->tok == tok_lc_paper);
return;
default:
err_label:
SYNTAX_ERROR (_("%s: syntax error"), "LC_PAPER");
}
/* Prepare for the next round. */
now = lr_token (ldfile, charmap, result, NULL, verbose);
nowtok = now->tok;
}
/* When we come here we reached the end of the file. */
lr_error (ldfile, _("%s: premature end of file"), "LC_PAPER");
}
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