/* Copyright (C) 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, . 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 #endif #include #include #include #include #include #include #include #include #include #include "locfile.h" #include "linereader.h" #include "localeinfo.h" #include "locales.h" /* Uncomment the following line in the production version. */ /* #define NDEBUG 1 */ #include /* Define the lookup function. */ #include "locfile-kw.h" /* Some useful macros. */ #define MIN(a, b) (__extension__ ({ typeof (a) _a = (a); \ typeof (b) _b = (b); \ _a < _b ? _a : _b; })) void *xmalloc (size_t __n); char *xstrdup (const char *__str); struct localedef_t * locfile_read (const char *filename, struct charset_t *charset) { struct linereader *ldfile; struct localedef_t *result; int state; enum token_t expected_tok = tok_none; const char *expected_str = NULL; enum token_t ctype_tok_sym = tok_none; const char *ctype_tok_str = NULL; int copy_category = 0; int cnt; /* Allocate space for result. */ result = (struct localedef_t *) xmalloc (sizeof (struct localedef_t)); memset (result, '\0', sizeof (struct localedef_t)); ldfile = lr_open (filename, locfile_hash); if (ldfile == NULL) { if (filename[0] != '/') { char path[strlen (filename) + 1 + sizeof (LOCSRCDIR)]; stpcpy (stpcpy (stpcpy (path, LOCSRCDIR), "/"), filename); ldfile = lr_open (path, locfile_hash); } if (ldfile == NULL) { result->failed = 1; return result; } } #define HANDLE_COPY(category, token, string) \ if (nowtok == tok_copy) \ { \ copy_category = category; \ expected_tok = token; \ expected_str = string; \ state = 8; \ continue; \ } \ ++state #define LOCALE_PROLOG(token, string) \ if (nowtok == tok_eol) \ /* Ignore empty lines. */ \ continue; \ if (nowtok == tok_end) \ { \ expected_tok = token; \ expected_str = string; \ state = 4; \ continue; \ } \ if (nowtok == tok_copy) \ goto only_copy; #define READ_STRING(fn, errlabel) \ do \ { \ arg = lr_token (ldfile, charset); \ if (arg->tok != tok_string) \ goto errlabel; \ fn (ldfile, result, nowtok, arg, charset); \ lr_ignore_rest (ldfile, 1); \ } \ while (0) #define READ_STRING_LIST(fn, errlabel) \ do \ { \ arg = lr_token (ldfile, charset); \ while (arg->tok == tok_string) \ { \ fn (ldfile, result, nowtok, arg, charset); \ arg = lr_token (ldfile, charset); \ if (arg->tok != tok_semicolon) \ break; \ arg = lr_token (ldfile, charset); \ } \ if (arg->tok != tok_eol) \ goto errlabel; \ } \ while (0) #define READ_NUMBER(fn, errlabel) \ do \ { \ arg = lr_token (ldfile, charset); \ if (arg->tok != tok_minus1 && arg->tok != tok_number) \ goto errlabel; \ fn (ldfile, result, nowtok, arg, charset); \ lr_ignore_rest (ldfile, 1); \ } \ while (0) #define READ_NUMBER_LIST(fn, errlabel) \ do \ { \ arg = lr_token (ldfile, charset); \ while (arg->tok == tok_minus1 || arg->tok == tok_number) \ { \ fn (ldfile, result, nowtok, arg, charset); \ arg = lr_token (ldfile, charset); \ if (arg->tok != tok_semicolon) \ break; \ arg = lr_token (ldfile, charset); \ } \ if (arg->tok != tok_eol) \ goto errlabel; \ } \ while (0) #define SYNTAX_ERROR(string) \ lr_error (ldfile, string); \ lr_ignore_rest (ldfile, 0); /* Parse locale definition file and store result in RESULT. */ state = 1; while (1) { /* What's on? */ struct token *now = lr_token (ldfile, charset); enum token_t nowtok = now->tok; struct token *arg; if (nowtok == tok_eof) break; switch (state) { case 1: /* The beginning. We expect the special declarations, EOL or the start of any locale. */ if (nowtok == tok_eol) /* Ignore empty lines. */ continue; switch (nowtok) { case tok_escape_char: case tok_comment_char: /* We need an argument. */ arg = lr_token (ldfile, charset); if (arg->tok != tok_ident) { SYNTAX_ERROR (_("bad argument")); continue; } if (arg->val.str.len != 1) { lr_error (ldfile, _("\ argument to `%s' must be a single character"), nowtok == tok_escape_char ? "escape_char" : "comment_char"); lr_ignore_rest (ldfile, 0); continue; } if (nowtok == tok_escape_char) ldfile->escape_char = *arg->val.str.start; else ldfile->comment_char = *arg->val.str.start; break; case tok_lc_ctype: state = 2; break; case tok_lc_collate: state = 10; break; case tok_lc_monetary: state = 20; break; case tok_lc_numeric: state = 30; break; case tok_lc_time: state = 40; break; case tok_lc_messages: state = 50; break; default: SYNTAX_ERROR (_("\ syntax error: not inside a locale definition section")); continue; } lr_ignore_rest (ldfile, 1); continue; case 2: HANDLE_COPY (LC_CTYPE, tok_lc_ctype, "LC_CYTPE"); ctype_startup (ldfile, result, charset); /* FALLTHROUGH */ case 3: /* Here we accept all the character classes, tolower/toupper, and following ANSI C:1995 self-defined classes. */ LOCALE_PROLOG (tok_lc_ctype, "LC_CTYPE"); if (nowtok == tok_charclass) { READ_STRING_LIST (ctype_class_new, bad_new_charclass); continue; bad_new_charclass: SYNTAX_ERROR (_("\ syntax error in definition of new character class")); continue; } if (nowtok == tok_charconv) { READ_STRING_LIST (ctype_map_new, bad_new_charconv); continue; bad_new_charconv: SYNTAX_ERROR (_("\ syntax error in definition of new character map")); continue; } if (nowtok == tok_upper || nowtok == tok_lower || nowtok == tok_alpha || nowtok == tok_digit || nowtok == tok_alnum || nowtok == tok_space || nowtok == tok_cntrl || nowtok == tok_punct || nowtok == tok_graph || nowtok == tok_print || nowtok == tok_xdigit || nowtok == tok_blank) { ctype_tok_sym = nowtok; ctype_tok_str = NULL; state = 5; continue; } if (nowtok == tok_toupper|| nowtok == tok_tolower) { ctype_tok_sym = nowtok; ctype_tok_str = NULL; state = 6; continue; } if (nowtok != tok_ident) goto bad_charclass; /* We possibly have a self-defined character class. */ if (ctype_is_charclass (ldfile, result, now->val.str.start)) { ctype_tok_sym = nowtok; ctype_tok_str = now->val.str.start; state = 5; continue; } /* ...or a self-defined character map. */ if (ctype_is_charconv (ldfile, result, now->val.str.start)) { ctype_tok_sym = nowtok; ctype_tok_str = now->val.str.start; state = 6; continue; } SYNTAX_ERROR (_("syntax error in definition of LC_CTYPE category")); continue; case 4: /* Handle `END xxx'. */ if (nowtok != expected_tok) lr_error (ldfile, _("\ `%1$s' definition does not end with `END %1$s'"), expected_str); lr_ignore_rest (ldfile, nowtok == expected_tok); state = 1; continue; case 5: /* Here we expect a semicolon separated list of bsymbols. The bit to be set in the word is given in CHARCLASS_BIT. */ arg = now; ctype_class_start (ldfile, result, ctype_tok_sym, ctype_tok_str, charset); while (arg->tok != tok_eol) { /* Any token other than a bsymbol is an error. */ if (arg->tok != tok_bsymbol) { bad_charclass: SYNTAX_ERROR (_("\ syntax error in character class definition")); break; } /* Lookup value for token and write into array. */ ctype_class_from (ldfile, result, arg, charset); arg = lr_token (ldfile, charset); if (arg->tok == tok_semicolon) arg = lr_token (ldfile, charset); else if (arg->tok != tok_eol) goto bad_charclass; /* Look for ellipsis. */ if (arg->tok == tok_ellipsis) { arg = lr_token (ldfile, charset); if (arg->tok != tok_semicolon) goto bad_charclass; arg = lr_token (ldfile, charset); if (arg->tok != tok_bsymbol) goto bad_charclass; /* Write range starting at LAST to ARG->VAL. */ ctype_class_to (ldfile, result, arg, charset); arg = lr_token (ldfile, charset); if (arg->tok == tok_semicolon) arg = lr_token (ldfile, charset); else if (arg->tok != tok_eol) goto bad_charclass; } } /* Mark class as already seen. */ ctype_class_end (ldfile, result); state = 3; continue; case 6: /* Here we expect a list of character mappings. Note: the first opening brace is already matched. */ ctype_map_start (ldfile, result, ctype_tok_sym, ctype_tok_str, charset); while (1) { /* Match ( bsymbol , bsymbol ) */ if (now->tok != tok_open_brace) goto bad_charconv; now = lr_token (ldfile, charset); if (now->tok != tok_bsymbol) { bad_charconv: SYNTAX_ERROR (_("\ syntax error in character conversion definition")); state = 3; break; } /* Lookup arg and assign to FROM. */ ctype_map_from (ldfile, result, now, charset); now = lr_token (ldfile, charset); if (now->tok != tok_comma) goto bad_charconv; now = lr_token (ldfile, charset); if (now->tok != tok_bsymbol) goto bad_charconv; /* Lookup arg and assign to TO. */ ctype_map_to (ldfile, result, now, charset); now = lr_token (ldfile, charset); if (now->tok != tok_close_brace) goto bad_charconv; now = lr_token (ldfile, charset); if (now->tok == tok_eol) { state = 3; break; } if (now->tok != tok_semicolon) goto bad_charconv; now = lr_token (ldfile, charset); } ctype_map_end (ldfile, result); continue; case 8: { /* We have seen `copy'. First match the argument. */ int warned = 0; if (nowtok != tok_string) lr_error (ldfile, _("expect string argument for `copy'")); else def_to_process (now->val.str.start, 1 << copy_category); lr_ignore_rest (ldfile, nowtok == tok_string); /* The rest of the line must be empty and the next keyword must be `END xxx'. */ while (lr_token (ldfile, charset)->tok != tok_end) { if (warned == 0) { only_copy: lr_error (ldfile, _("\ no other keyword shall be specified when `copy' is used")); warned = 1; } lr_ignore_rest (ldfile, 0); } state = 4; } continue; case 10: HANDLE_COPY (LC_COLLATE, tok_lc_collate, "LC_COLLATE"); collate_startup (ldfile, result, charset); /* FALLTHROUGH */ case 11: /* Process the LC_COLLATE section. We expect `END LC_COLLATE' any of the collation specifications, or any bsymbol. */ LOCALE_PROLOG (tok_lc_collate, "LC_COLLATE"); if (nowtok == tok_order_start) { state = 12; continue; } if (nowtok != tok_collating_element && nowtok != tok_collating_symbol) { bad_collation: lr_error (ldfile, _("\ syntax error in collation definition")); lr_ignore_rest (ldfile, 0); continue; } /* Get argument. */ arg = lr_token (ldfile, charset); if (arg->tok != tok_bsymbol) { lr_error (ldfile, _("\ collation symbol expected after `%s'"), nowtok == tok_collating_element ? "collating-element" : "collating-symbol"); lr_ignore_rest (ldfile, 0); continue; } if (nowtok == tok_collating_element) { /* Save to-value as new name. */ collate_element_to (ldfile, result, arg, charset); arg = lr_token (ldfile, charset); if (arg->tok != tok_from) { lr_error (ldfile, _("\ `from' expected after first argument to `collating-element'")); lr_ignore_rest (ldfile, 0); continue; } arg = lr_token (ldfile, charset); if (arg->tok != tok_string) { lr_error (ldfile, _("\ from-value of `collating-element' must be a string")); lr_ignore_rest (ldfile, 0); continue; } /* Enter new collating element. */ collate_element_from (ldfile, result, arg, charset); } else /* Enter new collating symbol into table. */ collate_symbol (ldfile, result, arg, charset); lr_ignore_rest (ldfile, 1); continue; case 12: /* We parse the rest of the line containing `order_start'. In any case we continue with parsing the symbols. */ state = 13; cnt = 0; while (now->tok != tok_eol) { int collation_method = 0; ++cnt; do { if (now->tok == tok_forward) collation_method |= sort_forward; else if (now->tok == tok_backward) collation_method |= sort_backward; else if (now->tok == tok_position) collation_method |= sort_position; else { lr_error (ldfile, _("unknown collation directive")); lr_ignore_rest (ldfile, 0); continue; } now = lr_token (ldfile, charset); } while (now->tok == tok_comma && (now == lr_token (ldfile, charset) != tok_none)); /* Check for consistency: forward and backwards are mutually exclusive. */ if ((collation_method & sort_forward) != 0 && (collation_method & sort_backward) != 0) { lr_error (ldfile, _("\ sorting order `forward' and `backward' are mutually exclusive")); /* The recover clear the backward flag. */ collation_method &= ~sort_backward; } /* ??? I don't know whether this is correct but while thinking about the `strcoll' functions I found that I need a direction when performing position depended collation. So I assume here that implicitly the direction `forward' is given when `position' alone is written. --drepper */ if (collation_method == sort_position) collation_method |= sort_forward; /* Enter info about next collation order. */ collate_new_order (ldfile, result, collation_method); if (now->tok != tok_eol && now->tok != tok_semicolon) { lr_error (ldfile, _("\ syntax error in `order_start' directive")); lr_ignore_rest (ldfile, 0); break; } if (now->tok == tok_semicolon) now = lr_token (ldfile, charset); } /* If no argument to `order_start' is given, one `forward' argument is implicitely assumed. */ if (cnt == 0) collate_new_order (ldfile, result, sort_forward); /* We now know about all sorting rules. */ collate_build_arrays (ldfile, result); continue; case 13: /* We read one symbol a line until `order_end' is found. */ { static int last_correct = 1; if (nowtok == tok_order_end) { state = 14; lr_ignore_rest (ldfile, 1); continue; } /* Ignore empty lines. */ if (nowtok == tok_eol) continue; if (nowtok != tok_bsymbol && nowtok != tok_undefined && nowtok != tok_ellipsis) { if (last_correct == 1) { lr_error (ldfile, _("\ syntax error in collating order definition")); last_correct = 0; } lr_ignore_rest (ldfile, 0); continue; } else { last_correct = 1; /* Remember current token. */ if (collate_order_elem (ldfile, result, now, charset) < 0) continue; } /* Read optional arguments. */ arg = lr_token (ldfile, charset); while (arg->tok != tok_eol) { if (arg->tok != tok_ignore && arg->tok != tok_ellipsis && arg->tok != tok_bsymbol && arg->tok != tok_string) break; if (arg->tok == tok_ignore || arg->tok == tok_ellipsis || arg->tok == tok_string) { /* Call handler for simple weights. */ if (collate_simple_weight (ldfile, result, arg, charset) < 0) goto illegal_weight; arg = lr_token (ldfile, charset); } else do { /* Collect char. */ int ok = collate_weight_bsymbol (ldfile, result, arg, charset); if (ok < 0) goto illegal_weight; arg = lr_token (ldfile, charset); } while (arg->tok == tok_bsymbol); /* Are there more weights? */ if (arg->tok != tok_semicolon) break; /* Yes, prepare next weight. */ if (collate_next_weight (ldfile, result) < 0) goto illegal_weight; arg = lr_token (ldfile, charset); } if (arg->tok != tok_eol) { SYNTAX_ERROR (_("syntax error in order specification")); } collate_end_weight (ldfile, result); illegal_weight: } continue; case 14: /* Following to the `order_end' keyword we don't expect anything but the `END'. */ if (nowtok == tok_eol) continue; if (nowtok != tok_end) goto bad_collation; expected_tok = tok_lc_collate; expected_str = "LC_COLLATE"; state = 4; ldfile->translate_strings = 1; continue; case 20: HANDLE_COPY (LC_MONETARY, tok_lc_monetary, "LC_MONETARY"); monetary_startup (ldfile, result, charset); /* FALLTHROUGH */ case 21: LOCALE_PROLOG (tok_lc_monetary, "LC_MONETARY"); switch (nowtok) { case tok_int_curr_symbol: case tok_currency_symbol: case tok_mon_decimal_point: case tok_mon_thousands_sep: case tok_positive_sign: case tok_negative_sign: READ_STRING (monetary_add, bad_monetary); break; case tok_int_frac_digits: case tok_frac_digits: case tok_p_cs_precedes: case tok_p_sep_by_space: case tok_n_cs_precedes: case tok_n_sep_by_space: case tok_p_sign_posn: case tok_n_sign_posn: READ_NUMBER (monetary_add, bad_monetary); break; case tok_mon_grouping: /* We have a semicolon separated list of integers. */ READ_NUMBER_LIST (monetary_add, bad_monetary); break; default: bad_monetary: SYNTAX_ERROR (_("syntax error in monetary locale definition")); } continue; case 30: HANDLE_COPY (LC_NUMERIC, tok_lc_numeric, "LC_NUMERIC"); numeric_startup (ldfile, result, charset); /* FALLTHROUGH */ case 31: LOCALE_PROLOG (tok_lc_numeric, "LC_NUMERIC"); switch (nowtok) { case tok_decimal_point: case tok_thousands_sep: READ_STRING (numeric_add, bad_numeric); break; case tok_grouping: /* We have a semicolon separated list of integers. */ READ_NUMBER_LIST (numeric_add, bad_numeric); break; default: bad_numeric: SYNTAX_ERROR (_("syntax error in numeric locale definition")); } continue; case 40: HANDLE_COPY (LC_TIME, tok_lc_time, "LC_TIME"); time_startup (ldfile, result, charset); /* FALLTHROUGH */ case 41: LOCALE_PROLOG (tok_lc_time, "LC_TIME"); switch (nowtok) { case tok_abday: case tok_day: case tok_abmon: case tok_mon: case tok_am_pm: case tok_alt_digits: READ_STRING_LIST (time_add, bad_time); continue; case tok_d_t_fmt: case tok_d_fmt: case tok_t_fmt: case tok_t_fmt_ampm: case tok_era: case tok_era_year: case tok_era_d_t_fmt: case tok_era_d_fmt: case tok_era_t_fmt: READ_STRING (time_add, bad_time); break; default: bad_time: SYNTAX_ERROR (_("syntax error in time locale definition")); } continue; case 50: HANDLE_COPY (LC_MESSAGES, tok_lc_messages, "LC_MESSAGES"); messages_startup (ldfile, result, charset); /* FALLTHROUGH */ case 51: LOCALE_PROLOG (tok_lc_messages, "LC_MESSAGES"); switch (nowtok) { case tok_yesexpr: case tok_noexpr: case tok_yesstr: case tok_nostr: READ_STRING (messages_add, bad_message); break; default: bad_message: SYNTAX_ERROR (_("syntax error in message locale definition")); } continue; default: error (5, 0, _("%s: error in state machine"), __FILE__); /* NOTREACHED */ } break; } /* We read all of the file. */ lr_close (ldfile); /* Let's see what information is available. */ for (cnt = LC_CTYPE; cnt <= LC_MESSAGES; ++cnt) if (result->categories[cnt].generic != NULL) result->avail |= 1 << cnt; return result; } void check_all_categories (struct localedef_t *locale, struct charset_t *charset) { /* Call the finishing functions for all locales. */ if ((locale->binary & (1 << LC_CTYPE)) == 0) ctype_finish (locale, charset); if ((locale->binary & (1 << LC_COLLATE)) == 0) collate_finish (locale, charset); if ((locale->binary & (1 << LC_MONETARY)) == 0) monetary_finish (locale); if ((locale->binary & (1 << LC_NUMERIC)) == 0) numeric_finish (locale); if ((locale->binary & (1 << LC_TIME)) == 0) time_finish (locale); if ((locale->binary & (1 << LC_MESSAGES)) == 0) messages_finish (locale); } void write_all_categories (struct localedef_t *locale, struct charset_t *charset, const char *output_path) { /* Call all functions to write locale data. */ ctype_output (locale, charset, output_path); collate_output (locale, output_path); monetary_output (locale, output_path); numeric_output (locale, output_path); time_output (locale, output_path); messages_output (locale, output_path); } void write_locale_data (const char *output_path, const char *category, size_t n_elem, struct iovec *vec) { size_t cnt, step, maxiov; int fd; char *fname; asprintf (&fname, "%s%s", output_path, category); fd = creat (fname, 0666); if (fd == -1) { int save_err = errno; if (errno == EISDIR) { free (fname); asprintf (&fname, "%1$s%2$s/SYS_%2$s", output_path, category); fd = creat (fname, 0666); if (fd == -1) save_err = errno; } if (fd == -1) { error (0, save_err, _("cannot open output file for category `%s'"), category); return; } } free (fname); #ifdef UIO_MAXIOV maxiov = UIO_MAXIOV; #else maxiov = sysconf (_SC_UIO_MAXIOV); #endif /* Write the data using writev. But we must take care for the limitation of the implementation. */ for (cnt = 0; cnt < n_elem; cnt += step) { step = n_elem - cnt; if (maxiov > 0) step = MIN (maxiov, step); if (writev (fd, &vec[cnt], step) < 0) { error (0, errno, _("failure while writing data for category `%s'"), category); break; } } close (fd); }