utf8proc

annotate ruby/utf8proc_native.c @ 13:2c7384f1fac1

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Version 1.1.5

(updated Changelog and changed version number)
author jbe
date Fri Oct 16 12:00:00 2009 +0200 (2009-10-16)
parents d79da2302625
children
rev   line source
jbe@0 1 /*
jbe@10 2 * Copyright (c) 2009 Public Software Group e. V., Berlin, Germany
jbe@0 3 *
jbe@7 4 * Permission is hereby granted, free of charge, to any person obtaining a
jbe@7 5 * copy of this software and associated documentation files (the "Software"),
jbe@7 6 * to deal in the Software without restriction, including without limitation
jbe@7 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
jbe@7 8 * and/or sell copies of the Software, and to permit persons to whom the
jbe@7 9 * Software is furnished to do so, subject to the following conditions:
jbe@0 10 *
jbe@7 11 * The above copyright notice and this permission notice shall be included in
jbe@7 12 * all copies or substantial portions of the Software.
jbe@0 13 *
jbe@7 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jbe@7 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jbe@7 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jbe@7 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jbe@7 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
jbe@7 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
jbe@7 20 * DEALINGS IN THE SOFTWARE.
jbe@0 21 */
jbe@7 22
jbe@0 23
jbe@0 24 /*
jbe@0 25 * File name: ruby/utf8proc_native.c
jbe@0 26 *
jbe@0 27 * Description:
jbe@0 28 * Native part of the ruby wrapper for libutf8proc.
jbe@0 29 */
jbe@0 30
jbe@0 31
jbe@0 32 #include "../utf8proc.c"
jbe@0 33 #include "ruby.h"
jbe@0 34
jbe@11 35 #ifndef RSTRING_PTR
jbe@11 36 #define RSTRING_PTR(s) (RSTRING(s)->ptr)
jbe@11 37 #endif
jbe@11 38 #ifndef RSTRING_LEN
jbe@11 39 #define RSTRING_LEN(s) (RSTRING(s)->len)
jbe@11 40 #endif
jbe@11 41
jbe@0 42 typedef struct utf8proc_ruby_mapenv_struct {
jbe@0 43 int32_t *buffer;
jbe@0 44 } utf8proc_ruby_mapenv_t;
jbe@0 45
jbe@0 46 void utf8proc_ruby_mapenv_free(utf8proc_ruby_mapenv_t *env) {
jbe@0 47 free(env->buffer);
jbe@0 48 free(env);
jbe@0 49 }
jbe@0 50
jbe@0 51 VALUE utf8proc_ruby_module;
jbe@0 52 VALUE utf8proc_ruby_options;
jbe@0 53 VALUE utf8proc_ruby_eUnicodeError;
jbe@0 54 VALUE utf8proc_ruby_eInvalidUtf8Error;
jbe@0 55 VALUE utf8proc_ruby_eCodeNotAssignedError;
jbe@0 56
jbe@0 57 VALUE utf8proc_ruby_map_error(ssize_t result) {
jbe@0 58 VALUE excpt_class;
jbe@0 59 switch (result) {
jbe@0 60 case UTF8PROC_ERROR_NOMEM:
jbe@0 61 excpt_class = rb_eNoMemError; break;
jbe@0 62 case UTF8PROC_ERROR_OVERFLOW:
jbe@3 63 case UTF8PROC_ERROR_INVALIDOPTS:
jbe@0 64 excpt_class = rb_eArgError; break;
jbe@0 65 case UTF8PROC_ERROR_INVALIDUTF8:
jbe@0 66 excpt_class = utf8proc_ruby_eInvalidUtf8Error; break;
jbe@0 67 case UTF8PROC_ERROR_NOTASSIGNED:
jbe@0 68 excpt_class = utf8proc_ruby_eCodeNotAssignedError; break;
jbe@0 69 default:
jbe@0 70 excpt_class = rb_eRuntimeError;
jbe@0 71 }
jbe@0 72 rb_raise(excpt_class, "%s", utf8proc_errmsg(result));
jbe@0 73 return Qnil;
jbe@0 74 }
jbe@0 75
jbe@0 76 VALUE utf8proc_ruby_map(VALUE self, VALUE str_param, VALUE options_param) {
jbe@0 77 VALUE str;
jbe@0 78 int options;
jbe@0 79 VALUE env_obj;
jbe@0 80 utf8proc_ruby_mapenv_t *env;
jbe@0 81 ssize_t result;
jbe@0 82 VALUE retval;
jbe@0 83 str = StringValue(str_param);
jbe@0 84 options = NUM2INT(options_param) & ~UTF8PROC_NULLTERM;
jbe@0 85 env_obj = Data_Make_Struct(rb_cObject, utf8proc_ruby_mapenv_t, NULL,
jbe@0 86 utf8proc_ruby_mapenv_free, env);
jbe@11 87 result = utf8proc_decompose(RSTRING_PTR(str), RSTRING_LEN(str),
jbe@0 88 NULL, 0, options);
jbe@2 89 if (result < 0) {
jbe@2 90 utf8proc_ruby_map_error(result);
jbe@10 91 return Qnil; /* needed to prevent problems with optimization */
jbe@2 92 }
jbe@0 93 env->buffer = ALLOC_N(int32_t, result+1);
jbe@11 94 result = utf8proc_decompose(RSTRING_PTR(str), RSTRING_LEN(str),
jbe@0 95 env->buffer, result, options);
jbe@0 96 if (result < 0) {
jbe@0 97 free(env->buffer);
jbe@0 98 env->buffer = 0;
jbe@1 99 utf8proc_ruby_map_error(result);
jbe@10 100 return Qnil; /* needed to prevent problems with optimization */
jbe@0 101 }
jbe@0 102 result = utf8proc_reencode(env->buffer, result, options);
jbe@0 103 if (result < 0) {
jbe@0 104 free(env->buffer);
jbe@0 105 env->buffer = 0;
jbe@1 106 utf8proc_ruby_map_error(result);
jbe@10 107 return Qnil; /* needed to prevent problems with optimization */
jbe@0 108 }
jbe@0 109 retval = rb_str_new((char *)env->buffer, result);
jbe@0 110 free(env->buffer);
jbe@0 111 env->buffer = 0;
jbe@0 112 return retval;
jbe@0 113 }
jbe@0 114
jbe@0 115 static VALUE utf8proc_ruby_char(VALUE self, VALUE code_param) {
jbe@0 116 char buffer[4];
jbe@0 117 ssize_t result;
jbe@0 118 int uc;
jbe@0 119 uc = NUM2INT(code_param);
jbe@7 120 if (!utf8proc_codepoint_valid(uc))
jbe@0 121 rb_raise(rb_eArgError, "Invalid Unicode code point");
jbe@0 122 result = utf8proc_encode_char(uc, buffer);
jbe@0 123 return rb_str_new(buffer, result);
jbe@0 124 }
jbe@0 125
jbe@0 126 #define register_utf8proc_option(sym, field) \
jbe@0 127 rb_hash_aset(utf8proc_ruby_options, ID2SYM(rb_intern(sym)), INT2FIX(field))
jbe@0 128
jbe@0 129 void Init_utf8proc_native() {
jbe@0 130 utf8proc_ruby_module = rb_define_module("Utf8Proc");
jbe@0 131 rb_define_module_function(utf8proc_ruby_module, "utf8map",
jbe@0 132 utf8proc_ruby_map, 2);
jbe@0 133 rb_define_module_function(utf8proc_ruby_module, "utf8char",
jbe@0 134 utf8proc_ruby_char, 1);
jbe@0 135 utf8proc_ruby_eUnicodeError = rb_define_class_under(utf8proc_ruby_module,
jbe@0 136 "UnicodeError", rb_eStandardError);
jbe@0 137 utf8proc_ruby_eInvalidUtf8Error = rb_define_class_under(
jbe@0 138 utf8proc_ruby_module, "InvalidUtf8Error", utf8proc_ruby_eUnicodeError);
jbe@0 139 utf8proc_ruby_eCodeNotAssignedError = rb_define_class_under(
jbe@0 140 utf8proc_ruby_module, "CodeNotAssignedError",
jbe@0 141 utf8proc_ruby_eUnicodeError);
jbe@0 142 utf8proc_ruby_options = rb_hash_new();
jbe@2 143 register_utf8proc_option("stable", UTF8PROC_STABLE);
jbe@2 144 register_utf8proc_option("compat", UTF8PROC_COMPAT);
jbe@2 145 register_utf8proc_option("compose", UTF8PROC_COMPOSE);
jbe@2 146 register_utf8proc_option("decompose", UTF8PROC_DECOMPOSE);
jbe@2 147 register_utf8proc_option("ignore", UTF8PROC_IGNORE);
jbe@2 148 register_utf8proc_option("rejectna", UTF8PROC_REJECTNA);
jbe@2 149 register_utf8proc_option("nlf2ls", UTF8PROC_NLF2LS);
jbe@2 150 register_utf8proc_option("nlf2ps", UTF8PROC_NLF2PS);
jbe@2 151 register_utf8proc_option("nlf2lf", UTF8PROC_NLF2LF);
jbe@2 152 register_utf8proc_option("stripcc", UTF8PROC_STRIPCC);
jbe@2 153 register_utf8proc_option("casefold", UTF8PROC_CASEFOLD);
jbe@2 154 register_utf8proc_option("charbound", UTF8PROC_CHARBOUND);
jbe@3 155 register_utf8proc_option("lump", UTF8PROC_LUMP);
jbe@3 156 register_utf8proc_option("stripmark", UTF8PROC_STRIPMARK);
jbe@0 157 OBJ_FREEZE(utf8proc_ruby_options);
jbe@0 158 rb_define_const(utf8proc_ruby_module, "Options", utf8proc_ruby_options);
jbe@0 159 }
jbe@0 160

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