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-rw-r--r--ruby/utf8proc_native.c160
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diff --git a/ruby/utf8proc_native.c b/ruby/utf8proc_native.c
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+/*
+ * Copyright (c) 2009 Public Software Group e. V., Berlin, Germany
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * File name: ruby/utf8proc_native.c
+ *
+ * Description:
+ * Native part of the ruby wrapper for libutf8proc.
+ */
+
+
+#include "../utf8proc.c"
+#include "ruby.h"
+
+#ifndef RSTRING_PTR
+#define RSTRING_PTR(s) (RSTRING(s)->ptr)
+#endif
+#ifndef RSTRING_LEN
+#define RSTRING_LEN(s) (RSTRING(s)->len)
+#endif
+
+typedef struct utf8proc_ruby_mapenv_struct {
+ int32_t *buffer;
+} utf8proc_ruby_mapenv_t;
+
+void utf8proc_ruby_mapenv_free(utf8proc_ruby_mapenv_t *env) {
+ free(env->buffer);
+ free(env);
+}
+
+VALUE utf8proc_ruby_module;
+VALUE utf8proc_ruby_options;
+VALUE utf8proc_ruby_eUnicodeError;
+VALUE utf8proc_ruby_eInvalidUtf8Error;
+VALUE utf8proc_ruby_eCodeNotAssignedError;
+
+VALUE utf8proc_ruby_map_error(ssize_t result) {
+ VALUE excpt_class;
+ switch (result) {
+ case UTF8PROC_ERROR_NOMEM:
+ excpt_class = rb_eNoMemError; break;
+ case UTF8PROC_ERROR_OVERFLOW:
+ case UTF8PROC_ERROR_INVALIDOPTS:
+ excpt_class = rb_eArgError; break;
+ case UTF8PROC_ERROR_INVALIDUTF8:
+ excpt_class = utf8proc_ruby_eInvalidUtf8Error; break;
+ case UTF8PROC_ERROR_NOTASSIGNED:
+ excpt_class = utf8proc_ruby_eCodeNotAssignedError; break;
+ default:
+ excpt_class = rb_eRuntimeError;
+ }
+ rb_raise(excpt_class, "%s", utf8proc_errmsg(result));
+ return Qnil;
+}
+
+VALUE utf8proc_ruby_map(VALUE self, VALUE str_param, VALUE options_param) {
+ VALUE str;
+ int options;
+ VALUE env_obj;
+ utf8proc_ruby_mapenv_t *env;
+ ssize_t result;
+ VALUE retval;
+ str = StringValue(str_param);
+ options = NUM2INT(options_param) & ~UTF8PROC_NULLTERM;
+ env_obj = Data_Make_Struct(rb_cObject, utf8proc_ruby_mapenv_t, NULL,
+ utf8proc_ruby_mapenv_free, env);
+ result = utf8proc_decompose(RSTRING_PTR(str), RSTRING_LEN(str),
+ NULL, 0, options);
+ if (result < 0) {
+ utf8proc_ruby_map_error(result);
+ return Qnil; /* needed to prevent problems with optimization */
+ }
+ env->buffer = ALLOC_N(int32_t, result+1);
+ result = utf8proc_decompose(RSTRING_PTR(str), RSTRING_LEN(str),
+ env->buffer, result, options);
+ if (result < 0) {
+ free(env->buffer);
+ env->buffer = 0;
+ utf8proc_ruby_map_error(result);
+ return Qnil; /* needed to prevent problems with optimization */
+ }
+ result = utf8proc_reencode(env->buffer, result, options);
+ if (result < 0) {
+ free(env->buffer);
+ env->buffer = 0;
+ utf8proc_ruby_map_error(result);
+ return Qnil; /* needed to prevent problems with optimization */
+ }
+ retval = rb_str_new((char *)env->buffer, result);
+ free(env->buffer);
+ env->buffer = 0;
+ return retval;
+}
+
+static VALUE utf8proc_ruby_char(VALUE self, VALUE code_param) {
+ char buffer[4];
+ ssize_t result;
+ int uc;
+ uc = NUM2INT(code_param);
+ if (!utf8proc_codepoint_valid(uc))
+ rb_raise(rb_eArgError, "Invalid Unicode code point");
+ result = utf8proc_encode_char(uc, buffer);
+ return rb_str_new(buffer, result);
+}
+
+#define register_utf8proc_option(sym, field) \
+ rb_hash_aset(utf8proc_ruby_options, ID2SYM(rb_intern(sym)), INT2FIX(field))
+
+void Init_utf8proc_native() {
+ utf8proc_ruby_module = rb_define_module("Utf8Proc");
+ rb_define_module_function(utf8proc_ruby_module, "utf8map",
+ utf8proc_ruby_map, 2);
+ rb_define_module_function(utf8proc_ruby_module, "utf8char",
+ utf8proc_ruby_char, 1);
+ utf8proc_ruby_eUnicodeError = rb_define_class_under(utf8proc_ruby_module,
+ "UnicodeError", rb_eStandardError);
+ utf8proc_ruby_eInvalidUtf8Error = rb_define_class_under(
+ utf8proc_ruby_module, "InvalidUtf8Error", utf8proc_ruby_eUnicodeError);
+ utf8proc_ruby_eCodeNotAssignedError = rb_define_class_under(
+ utf8proc_ruby_module, "CodeNotAssignedError",
+ utf8proc_ruby_eUnicodeError);
+ utf8proc_ruby_options = rb_hash_new();
+ register_utf8proc_option("stable", UTF8PROC_STABLE);
+ register_utf8proc_option("compat", UTF8PROC_COMPAT);
+ register_utf8proc_option("compose", UTF8PROC_COMPOSE);
+ register_utf8proc_option("decompose", UTF8PROC_DECOMPOSE);
+ register_utf8proc_option("ignore", UTF8PROC_IGNORE);
+ register_utf8proc_option("rejectna", UTF8PROC_REJECTNA);
+ register_utf8proc_option("nlf2ls", UTF8PROC_NLF2LS);
+ register_utf8proc_option("nlf2ps", UTF8PROC_NLF2PS);
+ register_utf8proc_option("nlf2lf", UTF8PROC_NLF2LF);
+ register_utf8proc_option("stripcc", UTF8PROC_STRIPCC);
+ register_utf8proc_option("casefold", UTF8PROC_CASEFOLD);
+ register_utf8proc_option("charbound", UTF8PROC_CHARBOUND);
+ register_utf8proc_option("lump", UTF8PROC_LUMP);
+ register_utf8proc_option("stripmark", UTF8PROC_STRIPMARK);
+ OBJ_FREEZE(utf8proc_ruby_options);
+ rb_define_const(utf8proc_ruby_module, "Options", utf8proc_ruby_options);
+}
+