diff options
Diffstat (limited to 'intl')
| -rw-r--r-- | intl/explodename.c | 167 | ||||
| -rw-r--r-- | intl/l10nflist.c | 381 | ||||
| -rw-r--r-- | intl/loadinfo.h | 58 |
3 files changed, 606 insertions, 0 deletions
diff --git a/intl/explodename.c b/intl/explodename.c new file mode 100644 index 0000000..2fd8be0 --- /dev/null +++ b/intl/explodename.c @@ -0,0 +1,167 @@ +/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. + +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. */ + +#include <stdlib.h> +#include <string.h> + +#include "loadinfo.h" + +int +_nl_explode_name (name, language, modifier, territory, codeset, + normalized_codeset, special, sponsor, revision) + char *name; + const char **language; + const char **modifier; + const char **territory; + const char **codeset; + const char **normalized_codeset; + const char **special; + const char **sponsor; + const char **revision; +{ + enum { undecided, xpg, cen } syntax; + char *cp; + int mask; + + *modifier = NULL; + *territory = NULL; + *codeset = NULL; + *normalized_codeset = NULL; + *special = NULL; + *sponsor = NULL; + *revision = NULL; + + /* Now we determine the single parts of the locale name. First + look for the language. Termination symbols are `_' and `@' if + we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ + mask = 0; + syntax = undecided; + *language = cp = name; + while (cp[0] != '\0' && cp[0] != '_' && cp[0] != '@' + && cp[0] != '+' && cp[0] != ',') + ++cp; + + if (*language == cp) + /* This does not make sense: language has to be specified. Use + this entry as it is without exploding. Perhaps it is an alias. */ + cp = strchr (*language, '\0'); + else if (cp[0] == '_') + { + /* Next is the territory. */ + cp[0] = '\0'; + *territory = ++cp; + + while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@' + && cp[0] != '+' && cp[0] != ',' && cp[0] != '_') + ++cp; + + mask |= TERRITORY; + + if (cp[0] == '.') + { + /* Next is the codeset. */ + syntax = xpg; + cp[0] = '\0'; + *codeset = ++cp; + + while (cp[0] != '\0' && cp[0] != '@') + ++cp; + + mask |= XPG_CODESET; + + if (*codeset != cp && (*codeset)[0] != '\0') + { + *normalized_codeset = _nl_normalize_codeset (*codeset, + cp - *codeset); + if (strcmp (*codeset, *normalized_codeset) == 0) + free ((char *) *normalized_codeset); + else + mask |= XPG_NORM_CODESET; + } + } + } + + if (cp[0] == '@' || (syntax != xpg && cp[0] == '+')) + { + /* Next is the modifier. */ + syntax = cp[0] == '@' ? xpg : cen; + cp[0] = '\0'; + *modifier = ++cp; + + while (syntax == cen && cp[0] != '\0' && cp[0] != '+' + && cp[0] != ',' && cp[0] != '_') + ++cp; + + mask |= XPG_MODIFIER | CEN_AUDIENCE; + } + + if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_')) + { + syntax = cen; + + if (cp[0] == '+') + { + /* Next is special application (CEN syntax). */ + cp[0] = '\0'; + *special = ++cp; + + while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_') + ++cp; + + mask |= CEN_SPECIAL; + } + + if (cp[0] == ',') + { + /* Next is sponsor (CEN syntax). */ + cp[0] = '\0'; + *sponsor = ++cp; + + while (cp[0] != '\0' && cp[0] != '_') + ++cp; + + mask |= CEN_SPONSOR; + } + + if (cp[0] == '_') + { + /* Next is revision (CEN syntax). */ + cp[0] = '\0'; + *revision = ++cp; + + mask |= CEN_REVISION; + } + } + + /* For CEN sytnax values it might be important to have the + separator character in the file name, not for XPG syntax. */ + if (syntax == xpg) + { + if (*territory != NULL && (*territory)[0] == '\0') + mask &= ~TERRITORY; + + if (*codeset != NULL && (*codeset)[0] == '\0') + mask &= ~XPG_CODESET; + + if (*modifier != NULL && (*modifier)[0] == '\0') + mask &= ~XPG_MODIFIER; + } + + return mask; +} diff --git a/intl/l10nflist.c b/intl/l10nflist.c new file mode 100644 index 0000000..4f955a9 --- /dev/null +++ b/intl/l10nflist.c @@ -0,0 +1,381 @@ +/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. + +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 + +#if defined _LIBC && (defined __ARGZ_COUNT || defined __ARGZ_STRINGIFY) +# include <argz.h> +#endif +#include <ctype.h> + +#if defined STDC_HEADERS || defined _LIBC +# include <stdlib.h> +#endif + +#if defined HAVE_STRING_H || defined _LIBC +# include <string.h> +#else +# include <strings.h> +#endif +#if !HAVE_STRCHR && !defined _LIBC +# ifndef strchr +# define strchr index +# endif +#endif + +#include "loadinfo.h" + +/* @@ end of prolog @@ */ + +#ifdef _LIBC +/* Rename the non ANSI C functions. This is required by the standard + because some ANSI C functions will require linking with this object + file and the name space must not be polluted. */ +# define stpcpy(dest, src) __stpcpy(dest, src) +#else +# ifndef HAVE_STPCPY +static char *stpcpy PARAMS ((char *dest, const char *src)); +# endif +#endif + +/* Define function which are usually not available. */ + +#if !defined _LIBC && !defined __ARGZ_COUNT +/* Returns the number of strings in ARGZ. */ +static size_t __argz_count PARAMS ((const char *argz, size_t len)); + +static size_t +__argz_count (argz, len) + const char *argz; + size_t len; +{ + size_t count = 0; + while (len > 0) + { + size_t part_len = strlen (argz); + argz += part_len + 1; + len -= part_len + 1; + count++; + } + return count; +} +#endif /* !_LIBC && !__ARGZ_COUNT */ + +#if !defined _LIBC && !defined __ARGZ_STRINGIFY +/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's + except the last into the character SEP. */ +static void __argz_stringify PARAMS ((char *argz, size_t len, int sep)); + +static void +__argz_stringify (argz, len, sep) + char *argz; + size_t len; + int sep; +{ + while (len > 0) + { + size_t part_len = strlen (argz); + argz += part_len; + len -= part_len + 1; + if (len > 0) + *argz++ = sep; + } +} +#endif /* !_LIBC && !__ARGZ_COUNT */ + +#if !defined _LIBC && !defined __ARGZ_NEXT +static char * +__argz_next (argz, argz_len, entry) + char *argz; + size_t argz_len; + const char *entry; +{ + if (entry) + { + if (entry < argz + argz_len) + entry = strchr (entry, '\0') + 1; + + return entry >= argz + argz_len ? NULL : (char *) entry; + } + else + if (argz_len > 0) + return argz; + else + return 0; +} +#endif + + +/* Return number of bits set in X. */ +static int pop PARAMS ((int x)); + +static inline int +pop (x) + int x; +{ + /* We assume that no more than 16 bits are used. */ + x = ((x & ~0x5555) >> 1) + (x & 0x5555); + x = ((x & ~0x3333) >> 2) + (x & 0x3333); + x = ((x >> 4) + x) & 0x0f0f; + x = ((x >> 8) + x) & 0xff; + + return x; +} + + +struct loaded_l10nfile * +_nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, + territory, codeset, normalized_codeset, modifier, special, + sponsor, revision, filename, do_allocate) + struct loaded_l10nfile **l10nfile_list; + const char *dirlist; + size_t dirlist_len; + int mask; + const char *language; + const char *territory; + const char *codeset; + const char *normalized_codeset; + const char *modifier; + const char *special; + const char *sponsor; + const char *revision; + const char *filename; + int do_allocate; +{ + char *abs_filename; + struct loaded_l10nfile *last = NULL; + struct loaded_l10nfile *retval; + char *cp; + size_t entries; + int cnt; + + /* Allocate room for the full file name. */ + abs_filename = (char *) malloc (dirlist_len + + strlen (language) + + ((mask & TERRITORY) != 0 + ? strlen (territory) + 1 : 0) + + ((mask & XPG_CODESET) != 0 + ? strlen (codeset) + 1 : 0) + + ((mask & XPG_NORM_CODESET) != 0 + ? strlen (normalized_codeset) + 1 : 0) + + (((mask & XPG_MODIFIER) != 0 + || (mask & CEN_AUDIENCE) != 0) ? + strlen (modifier) + 1 : 0) + + ((mask & CEN_SPECIAL) != 0 + ? strlen (special) + 1 : 0) + + ((mask & CEN_SPONSOR) != 0 + ? strlen (sponsor) + 1 : 0) + + ((mask & CEN_REVISION) != 0 + ? strlen (revision) + 1 : 0) + + 1 + strlen (filename) + 1); + + if (abs_filename == NULL) + return NULL; + + retval = NULL; + last = NULL; + + /* Construct file name. */ + memcpy (abs_filename, dirlist, dirlist_len); + __argz_stringify (abs_filename, dirlist_len, ':'); + cp = abs_filename + (dirlist_len - 1); + *cp++ = '/'; + cp = stpcpy (cp, language); + + if ((mask & TERRITORY) != 0) + { + *cp++ = '_'; + cp = stpcpy (cp, territory); + } + if ((mask & XPG_CODESET) != 0) + { + *cp++ = '.'; + cp = stpcpy (cp, codeset); + } + if ((mask & XPG_NORM_CODESET) != 0) + { + *cp++ = '.'; + cp = stpcpy (cp, normalized_codeset); + } + if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0) + { + /* This component can be part of both syntaces but has different + leading characters. For CEN we use `+', else `@'. */ + *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@'; + cp = stpcpy (cp, modifier); + } + if ((mask & CEN_SPECIAL) != 0) + { + *cp++ = '+'; + cp = stpcpy (cp, special); + } + if ((mask & CEN_SPONSOR) != 0) + { + *cp++ = ','; + cp = stpcpy (cp, sponsor); + } + if ((mask & CEN_REVISION) != 0) + { + *cp++ = '_'; + cp = stpcpy (cp, revision); + } + + *cp++ = '/'; + stpcpy (cp, filename); + + /* Look in list of already loaded domains whether it is already + available. */ + last = NULL; + for (retval = *l10nfile_list; retval != NULL; retval = retval->next) + if (retval->filename != NULL) + { + int compare = strcmp (retval->filename, abs_filename); + if (compare == 0) + /* We found it! */ + break; + if (compare < 0) + { + /* It's not in the list. */ + retval = NULL; + break; + } + + last = retval; + } + + if (retval != NULL || do_allocate == 0) + { + free (abs_filename); + return retval; + } + + retval = (struct loaded_l10nfile *) + malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len) + * (1 << pop (mask)) + * sizeof (struct loaded_l10nfile *))); + if (retval == NULL) + return NULL; + + retval->filename = abs_filename; + retval->decided = (__argz_count (dirlist, dirlist_len) != 1 + || ((mask & XPG_CODESET) != 0 + && (mask & XPG_NORM_CODESET) != 0)); + retval->data = NULL; + + if (last == NULL) + { + retval->next = *l10nfile_list; + *l10nfile_list = retval; + } + else + { + retval->next = last->next; + last->next = retval; + } + + entries = 0; + /* If the DIRLIST is a real list the RETVAL entry correcponds not to + a real file. So we have to use the DIRLIST separation machanism + of the inner loop. */ + cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask; + for (; cnt >= 0; --cnt) + if ((cnt & ~mask) == 0 + && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0) + && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0)) + { + /* Iterate over all elements of the DIRLIST. */ + char *dir = NULL; + + while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir)) + != NULL) + retval->successor[entries++] + = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt, + language, territory, codeset, + normalized_codeset, modifier, special, + sponsor, revision, filename, 1); + } + retval->successor[entries] = NULL; + + return retval; +} + +/* Normalize codeset name. There is no standard for the codeset + names. Normalization allows the user to use any of the common + names. */ +const char * +_nl_normalize_codeset (codeset, name_len) + const char *codeset; + size_t name_len; +{ + int len = 0; + int only_digit = 1; + char *retval; + char *wp; + size_t cnt; + + for (cnt = 0; cnt < name_len; ++cnt) + if (isalnum (codeset[cnt])) + { + ++len; + + if (isalpha (codeset[cnt])) + only_digit = 0; + } + + retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1); + + if (retval != NULL) + { + if (only_digit) + wp = stpcpy (retval, "ISO"); + else + wp = retval; + + for (cnt = 0; cnt < name_len; ++cnt) + if (isalpha (codeset[cnt])) + *wp++ = tolower (codeset[cnt]); + else if (isdigit (codeset[cnt])) + *wp++ = codeset[cnt]; + + *wp = '\0'; + } + + return (const char *) retval; +} + + +/* @@ begin of epilog @@ */ + +/* We don't want libintl.a to depend on any other library. So we + avoid the non-standard function stpcpy. In GNU C Library this + function is available, though. Also allow the symbol HAVE_STPCPY + to be defined. */ +#if !_LIBC && !HAVE_STPCPY +static char * +stpcpy (dest, src) + char *dest; + const char *src; +{ + while ((*dest++ = *src++) != '\0') + /* Do nothing. */ ; + return dest - 1; +} +#endif diff --git a/intl/loadinfo.h b/intl/loadinfo.h new file mode 100644 index 0000000..c67c2eb --- /dev/null +++ b/intl/loadinfo.h @@ -0,0 +1,58 @@ +#ifndef PARAMS +# if __STDC__ +# define PARAMS(args) args +# else +# define PARAMS(args) () +# endif +#endif + +/* Encoding of locale name parts. */ +#define CEN_REVISION 1 +#define CEN_SPONSOR 2 +#define CEN_SPECIAL 4 +#define XPG_NORM_CODESET 8 +#define XPG_CODESET 16 +#define TERRITORY 32 +#define CEN_AUDIENCE 64 +#define XPG_MODIFIER 128 + +#define CEN_SPECIFIC (CEN_REVISION|CEN_SPONSOR|CEN_SPECIAL|CEN_AUDIENCE) +#define XPG_SPECIFIC (XPG_CODESET|XPG_NORM_CODESET|XPG_MODIFIER) + + +struct loaded_l10nfile +{ + const char *filename; + int decided; + + const void *data; + + struct loaded_l10nfile *next; + struct loaded_l10nfile *successor[1]; +}; + + +extern const char *_nl_normalize_codeset PARAMS ((const char *codeset, + size_t name_len)); + +extern struct loaded_l10nfile * +_nl_make_l10nflist PARAMS ((struct loaded_l10nfile **l10nfile_list, + const char *dirlist, size_t dirlist_len, int mask, + const char *language, const char *territory, + const char *codeset, + const char *normalized_codeset, + const char *modifier, const char *special, + const char *sponsor, const char *revision, + const char *filename, int do_allocate)); + + +extern const char *_nl_expand_alias PARAMS ((const char *name)); + +extern int _nl_explode_name PARAMS ((char *name, const char **language, + const char **modifier, + const char **territory, + const char **codeset, + const char **normalized_codeset, + const char **special, + const char **sponsor, + const char **revision)); |