| 1 | /* Copyright (C) 2014 Free Software Foundation, Inc. |
| 2 | * |
| 3 | * This library is free software: you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU Lesser General Public License as |
| 5 | * published by the Free Software Foundation, either version 3 of the |
| 6 | * License, or (at your option) any later version. |
| 7 | * |
| 8 | * This library is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU Lesser General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU Lesser General Public |
| 14 | * License along with this library. If not, see |
| 15 | * <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | \f |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | # include <config.h> |
| 21 | #endif |
| 22 | |
| 23 | #include <ctype.h> |
| 24 | #include <limits.h> |
| 25 | #include <unicase.h> |
| 26 | #include <unictype.h> |
| 27 | #include <uniname.h> |
| 28 | |
| 29 | #include "libguile/_scm.h" |
| 30 | #include "libguile/validate.h" |
| 31 | |
| 32 | #include "libguile/unicode.h" |
| 33 | |
| 34 | \f |
| 35 | |
| 36 | SCM_DEFINE (scm_char_to_formal_name, "char->formal-name", 1, 0, 0, |
| 37 | (SCM ch), |
| 38 | "Return the formal all-upper-case unicode name of @var{ch},\n" |
| 39 | "as a string. If the character has no name, return @code{#f}.") |
| 40 | #define FUNC_NAME s_scm_char_to_formal_name |
| 41 | { |
| 42 | char buf[UNINAME_MAX + 1]; |
| 43 | |
| 44 | SCM_VALIDATE_CHAR (1, ch); |
| 45 | |
| 46 | memset(buf, 0, UNINAME_MAX + 1); |
| 47 | |
| 48 | if (unicode_character_name (SCM_CHAR (ch), buf)) |
| 49 | return scm_from_latin1_string (buf); |
| 50 | |
| 51 | return SCM_BOOL_F; |
| 52 | } |
| 53 | #undef FUNC_NAME |
| 54 | |
| 55 | SCM_DEFINE (scm_formal_name_to_char, "formal-name->char", 1, 0, 0, |
| 56 | (SCM name), |
| 57 | "Return the character whose formal all-upper-case unicode name is\n" |
| 58 | "@var{name}, or @code{#f} if no such character is known.") |
| 59 | #define FUNC_NAME s_scm_formal_name_to_char |
| 60 | { |
| 61 | char *c_name; |
| 62 | scm_t_wchar ret; |
| 63 | |
| 64 | SCM_VALIDATE_STRING (1, name); |
| 65 | |
| 66 | c_name = scm_to_latin1_string (name); |
| 67 | ret = unicode_name_character (c_name); |
| 68 | free (c_name); |
| 69 | |
| 70 | return ret == UNINAME_INVALID ? SCM_BOOL_F : SCM_MAKE_CHAR (ret); |
| 71 | } |
| 72 | #undef FUNC_NAME |
| 73 | |
| 74 | static void |
| 75 | scm_load_unicode (void) |
| 76 | { |
| 77 | #ifndef SCM_MAGIC_SNARFER |
| 78 | #include "libguile/unicode.x" |
| 79 | #endif |
| 80 | } |
| 81 | |
| 82 | void |
| 83 | scm_init_unicode (void) |
| 84 | { |
| 85 | scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION, |
| 86 | "scm_init_unicode", |
| 87 | (scm_t_extension_init_func)scm_load_unicode, |
| 88 | NULL); |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | Local Variables: |
| 93 | c-file-style: "gnu" |
| 94 | End: |
| 95 | */ |