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Diffstat (limited to '')
-rw-r--r-- | grub-core/lib/posix_wrap/wctype.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/grub-core/lib/posix_wrap/wctype.h b/grub-core/lib/posix_wrap/wctype.h new file mode 100644 index 0000000..3771dc5 --- /dev/null +++ b/grub-core/lib/posix_wrap/wctype.h @@ -0,0 +1,110 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. + * + * GRUB 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, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_POSIX_WCTYPE_H +#define GRUB_POSIX_WCTYPE_H 1 + +#include <grub/misc.h> +#include <wchar.h> + +#define wctype_t grub_posix_wctype_t + +typedef enum { GRUB_CTYPE_INVALID, + GRUB_CTYPE_ALNUM, GRUB_CTYPE_CNTRL, GRUB_CTYPE_LOWER, + GRUB_CTYPE_SPACE, GRUB_CTYPE_ALPHA, GRUB_CTYPE_DIGIT, + GRUB_CTYPE_PRINT, GRUB_CTYPE_UPPER, GRUB_CTYPE_BLANK, + GRUB_CTYPE_GRAPH, GRUB_CTYPE_PUNCT, GRUB_CTYPE_XDIGIT, + GRUB_CTYPE_MAX} wctype_t; + +#define CHARCLASS_NAME_MAX (sizeof ("xdigit") - 1) + +static inline wctype_t +wctype (const char *name) +{ + wctype_t i; + static const char names[][10] = { "", + "alnum", "cntrl", "lower", + "space", "alpha", "digit", + "print", "upper", "blank", + "graph", "punct", "xdigit" }; + for (i = GRUB_CTYPE_INVALID; i < GRUB_CTYPE_MAX; i++) + if (grub_strcmp (names[i], name) == 0) + return i; + return GRUB_CTYPE_INVALID; +} + +/* FIXME: take into account international lowercase characters. */ +static inline int +iswlower (wint_t wc) +{ + return grub_islower (wc); +} + +static inline wint_t +towlower (wint_t c) +{ + return grub_tolower (c); +} + +static inline wint_t +towupper (wint_t c) +{ + return grub_toupper (c); +} + +static inline int +iswalnum (wint_t c) +{ + return grub_isalpha (c) || grub_isdigit (c); +} + +static inline int +iswctype (wint_t wc, wctype_t desc) +{ + switch (desc) + { + case GRUB_CTYPE_ALNUM: + return iswalnum (wc); + case GRUB_CTYPE_CNTRL: + return grub_iscntrl (wc); + case GRUB_CTYPE_LOWER: + return iswlower (wc); + case GRUB_CTYPE_SPACE: + return grub_isspace (wc); + case GRUB_CTYPE_ALPHA: + return grub_isalpha (wc); + case GRUB_CTYPE_DIGIT: + return grub_isdigit (wc); + case GRUB_CTYPE_PRINT: + return grub_isprint (wc); + case GRUB_CTYPE_UPPER: + return grub_isupper (wc); + case GRUB_CTYPE_BLANK: + return wc == ' ' || wc == '\t'; + case GRUB_CTYPE_GRAPH: + return grub_isgraph (wc); + case GRUB_CTYPE_PUNCT: + return grub_isprint (wc) && !grub_isspace (wc) && !iswalnum (wc); + case GRUB_CTYPE_XDIGIT: + return grub_isxdigit (wc); + default: + return 0; + } +} + +#endif |