Tue, 11 May 2010 14:35:43 -0700
6931180: Migration to recent versions of MS Platform SDK
6951582: Build problems on win64
Summary: Changes to enable building JDK7 with Microsoft Visual Studio 2010
Reviewed-by: ohair, art, ccheung, dcubed
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // Low-level interface for UTF8 strings |
duke@435 | 26 | |
duke@435 | 27 | class UTF8 : AllStatic { |
duke@435 | 28 | public: |
duke@435 | 29 | // returns the unicode length of a 0-terminated uft8 string |
duke@435 | 30 | static int unicode_length(const char* uft8_str); |
duke@435 | 31 | |
duke@435 | 32 | // returns the unicode length of a non-0-terminated uft8 string |
duke@435 | 33 | static int unicode_length(const char* uft8_str, int len); |
duke@435 | 34 | |
duke@435 | 35 | // converts a uft8 string to a unicode string |
duke@435 | 36 | static void convert_to_unicode(const char* utf8_str, jchar* unicode_buffer, int unicode_length); |
duke@435 | 37 | |
duke@435 | 38 | // decodes the current utf8 character, stores the result in value, |
duke@435 | 39 | // and returns the end of the current uft8 chararacter. |
duke@435 | 40 | static char* next(const char* str, jchar* value); |
duke@435 | 41 | |
duke@435 | 42 | // decodes the current utf8 character, gets the supplementary character instead of |
duke@435 | 43 | // the surrogate pair when seeing a supplementary character in string, |
duke@435 | 44 | // stores the result in value, and returns the end of the current uft8 chararacter. |
duke@435 | 45 | static char* next_character(const char* str, jint* value); |
duke@435 | 46 | |
duke@435 | 47 | // Utility methods |
duke@435 | 48 | static jbyte* strrchr(jbyte* base, int length, jbyte c); |
duke@435 | 49 | static bool equal(jbyte* base1, int length1, jbyte* base2, int length2); |
duke@435 | 50 | static bool is_supplementary_character(const unsigned char* str); |
duke@435 | 51 | static jint get_supplementary_character(const unsigned char* str); |
duke@435 | 52 | }; |
duke@435 | 53 | |
duke@435 | 54 | |
duke@435 | 55 | // Low-level interface for UNICODE strings |
duke@435 | 56 | |
duke@435 | 57 | // A unicode string represents a string in the UTF-16 format in which supplementary |
duke@435 | 58 | // characters are represented by surrogate pairs. Index values refer to char code |
duke@435 | 59 | // units, so a supplementary character uses two positions in a unicode string. |
duke@435 | 60 | |
duke@435 | 61 | class UNICODE : AllStatic { |
duke@435 | 62 | public: |
duke@435 | 63 | // returns the utf8 size of a unicode character |
duke@435 | 64 | static int utf8_size(jchar c); |
duke@435 | 65 | |
duke@435 | 66 | // returns the utf8 length of a unicode string |
duke@435 | 67 | static int utf8_length(jchar* base, int length); |
duke@435 | 68 | |
duke@435 | 69 | // converts a unicode string to utf8 string |
duke@435 | 70 | static void convert_to_utf8(const jchar* base, int length, char* utf8_buffer); |
duke@435 | 71 | |
duke@435 | 72 | // converts a unicode string to a utf8 string; result is allocated |
duke@435 | 73 | // in resource area unless a buffer is provided. |
duke@435 | 74 | static char* as_utf8(jchar* base, int length); |
duke@435 | 75 | static char* as_utf8(jchar* base, int length, char* buf, int buflen); |
duke@435 | 76 | }; |