diff options
Diffstat (limited to 'locale/programs/ld-paper.c')
| -rw-r--r-- | locale/programs/ld-paper.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/locale/programs/ld-paper.c b/locale/programs/ld-paper.c new file mode 100644 index 0000000000..5d834eb1bd --- /dev/null +++ b/locale/programs/ld-paper.c @@ -0,0 +1,235 @@ +/* Copyright (C) 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <byteswap.h> +#include <error.h> +#include <langinfo.h> +#include <string.h> +#include <sys/uio.h> + +#include <assert.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 height_ob; + uint32_t width; + uint32_t width_ob; +}; + + +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)); + + lr->translate_strings = 1; + lr->return_widestr = 0; +} + + +void +paper_finish (struct localedef_t *locale, struct charmap_t *charmap) +{ + struct locale_paper_t *paper = locale->categories[LC_PAPER].paper; + + if (paper->height == 0) + { + error (0, 0, _("%s: field `%s' not defined"), "LC_PAPER", "height"); + /* Use as default values the values from the i18n locale. */ + paper->height = 297; + } + paper->height_ob = bswap_32 (paper->height); + + if (paper->width == 0) + { + error (0, 0, _("%s: field `%s' not defined"), "LC_PAPER", "width"); + /* Use as default values the values from the i18n locale. */ + paper->width = 210; + } + paper->width_ob = bswap_32 (paper->width); +} + + +void +paper_output (struct localedef_t *locale, struct charmap_t *charmap, + const char *output_path) +{ + struct locale_paper_t *paper = locale->categories[LC_PAPER].paper; + struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_PAPER)]; + struct locale_file data; + uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_PAPER)]; + size_t cnt = 0; + + data.magic = LIMAGIC (LC_PAPER); + data.n = _NL_ITEM_INDEX (_NL_NUM_LC_PAPER); + iov[cnt].iov_base = (void *) &data; + iov[cnt].iov_len = sizeof (data); + ++cnt; + +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define height_eb height_ob +# define height_el height +# define width_eb width_ob +# define width_el width +#else +# define height_eb height +# define height_el height_ob +# define width_eb width +# define width_el width_ob +#endif + + iov[cnt].iov_base = (void *) idx; + iov[cnt].iov_len = sizeof (idx); + ++cnt; + + idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len; + iov[cnt].iov_base = &paper->height_eb; + iov[cnt].iov_len = 4; + ++cnt; + + idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len; + iov[cnt].iov_base = &paper->height_el; + iov[cnt].iov_len = 4; + ++cnt; + + idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len; + iov[cnt].iov_base = &paper->width_eb; + iov[cnt].iov_len = 4; + ++cnt; + + idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len; + iov[cnt].iov_base = &paper->width_el; + iov[cnt].iov_len = 4; + ++cnt; + + assert (cnt == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_PAPER)); + + write_locale_data (output_path, "LC_PAPER", + 2 + _NL_ITEM_INDEX (_NL_NUM_LC_PAPER), iov); +} + + +/* The parser for the LC_PAPER section of the locale definition. */ +void +paper_read (struct linereader *ldfile, struct localedef_t *result, + struct charmap_t *charmap, const char *repertoire_name, + int ignore_content) +{ + struct repertoire_t *repertoire = NULL; + struct locale_paper_t *paper; + struct token *now; + struct token *arg; + enum token_t nowtok; + + /* Get the repertoire we have to use. */ + if (repertoire_name != NULL) + repertoire = repertoire_read (repertoire_name); + + /* The rest of the line containing `LC_PAPER' must be empty. */ + lr_ignore_rest (ldfile, 1); + + do + { + now = lr_token (ldfile, charmap, NULL); + 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, 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, NULL); + nowtok = now->tok; + continue; + } + + switch (nowtok) + { +#define INT_ELEM(cat) \ + case tok_##cat: \ + arg = lr_token (ldfile, charmap, NULL); \ + 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, NULL); + 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, NULL); + nowtok = now->tok; + } + + /* When we come here we reached the end of the file. */ + lr_error (ldfile, _("%s: premature end of file"), "LC_PAPER"); +} |