include/ruby/encoding.h: added.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 79 insertions, 0 deletions

diff --git a/include/ruby/encoding.h b/include/ruby/encoding.h
new file mode 100644
index 0000000000..1e0dffd86c
--- /dev/null
+++ b/include/ruby/encoding.h
@@ -0,0 +1,79 @@
+/**********************************************************************
+
+  encoding.h -
+
+  $Author: matz $
+  $Date: 2007-05-24 11:49:41 +0900 (Thu, 24 May 2007) $
+  created at: Thu May 24 11:49:41 JST 2007
+
+  Copyright (C) 2007 Yukihiro Matsumoto
+
+**********************************************************************/
+
+#ifndef RUBY_ENCODING_H
+#define RUBY_ENCODING_H 1
+
+#include "ruby/oniguruma.h"
+
+#define ENCODING_INLINE_MAX 15
+#define ENCODING_MASK (FL_USER8|FL_USER9|FL_USER10|FL_USER11)
+#define ENCODING_SHIFT (FL_USHIFT+8)
+#define ENCODING_SET(obj,i) do {\
+    RBASIC(obj)->flags &= ~ENCODING_MASK;\
+    RBASIC(obj)->flags |= i << ENCODING_SHIFT;\
+} while (0)
+#define ENCODING_GET(obj) ((RBASIC(obj)->flags & ENCODING_MASK)>>ENCODING_SHIFT)
+
+typedef OnigEncodingType rb_encoding;
+
+int rb_enc_to_index(rb_encoding*);
+rb_encoding* rb_enc_get(VALUE);
+rb_encoding* rb_enc_check(VALUE,VALUE);
+void rb_enc_associate(VALUE, rb_encoding*);
+void rb_enc_copy(VALUE, VALUE);
+
+long rb_enc_strlen(const char*, const char*, rb_encoding*);
+char* rb_enc_nth(const char*, const char*, int, rb_encoding*);
+
+/* index -> rb_encoding */
+rb_encoding* rb_enc_from_index(int idx);
+
+/* name -> rb_encoding */
+rb_encoding * rb_enc_find(const char *name);
+
+/* encoding -> name */
+#define rb_enc_name(enc) (enc)->name
+
+/* encoding -> minlen/maxlen */
+#define rb_enc_mbminlen(enc) (enc)->min_enc_len
+#define rb_enc_mbmaxlen(enc) (enc)->max_enc_len
+
+/* ptr,encoding -> mbclen */
+#define rb_enc_mbclen(p,enc) ONIGENC_MBC_ENC_LEN(enc, (UChar*)p)
+#define rb_enc_codelen(c,enc) ONIGENC_CODE_TO_MBCLEN(enc,c)
+
+#define rb_enc_ismbchar(c,enc) (rb_enc_mbclen((&c), enc) != 1)
+
+/* code,ptr,encoding -> write buf */
+#define rb_enc_mbcput(c,buf,enc) ONIGENC_CODE_TO_MBC(enc,c,(UChar*)buf)
+
+/* ptr,ptr,encoding -> codepoint */
+#define rb_enc_codepoint(p,e,enc) ONIGENC_MBC_TO_CODE(enc,(UChar*)p,(UChar*)e) 
+
+/* ptr, ptr, encoding -> prev_char */
+#define rb_enc_prev_char(s,p,enc) onigenc_get_prev_char_head(enc,(UChar*)s,(UChar*)p)
+
+#define rb_enc_isascii(c,enc) ONIGENC_IS_CODE_ASCII(c)
+#define rb_enc_isalpha(c,enc) ONIGENC_IS_CODE_ALPHA(enc,c)
+#define rb_enc_islower(c,enc) ONIGENC_IS_CODE_LOWER(enc,c)
+#define rb_enc_isupper(c,enc) ONIGENC_IS_CODE_UPPER(enc,c)
+#define rb_enc_isalnum(c,enc) ONIGENC_IS_CODE_ALNUM(enc,c)
+#define rb_enc_isprint(c,enc) ONIGENC_IS_CODE_PRINT(enc,c)
+#define rb_enc_isspace(c,enc) ONIGENC_IS_CODE_SPACE(enc,c)
+#define rb_enc_isdigit(c,enc) ONIGENC_IS_CODE_DIGIT(enc,c)
+
+int rb_enc_toupper(int c, rb_encoding *enc);
+int rb_enc_tolower(int c, rb_encoding *enc);
+ID rb_intern3(const char*, long, rb_encoding*);
+
+#endif /* RUBY_ENCODING_H */