Mercurial > hg > truffle
comparison src/share/vm/oops/symbolOop.cpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 2a1a77d3458f |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_symbolOop.cpp.incl" | |
27 | |
28 bool symbolOopDesc::equals(const char* str, int len) const { | |
29 int l = utf8_length(); | |
30 if (l != len) return false; | |
31 while (l-- > 0) { | |
32 if (str[l] != (char) byte_at(l)) | |
33 return false; | |
34 } | |
35 assert(l == -1, "we should be at the beginning"); | |
36 return true; | |
37 } | |
38 | |
39 char* symbolOopDesc::as_C_string(char* buf, int size) const { | |
40 if (size > 0) { | |
41 int len = MIN2(size - 1, utf8_length()); | |
42 for (int i = 0; i < len; i++) { | |
43 buf[i] = byte_at(i); | |
44 } | |
45 buf[len] = '\0'; | |
46 } | |
47 return buf; | |
48 } | |
49 | |
50 char* symbolOopDesc::as_C_string() const { | |
51 int len = utf8_length(); | |
52 char* str = NEW_RESOURCE_ARRAY(char, len + 1); | |
53 return as_C_string(str, len + 1); | |
54 } | |
55 | |
56 char* symbolOopDesc::as_C_string_flexible_buffer(Thread* t, | |
57 char* buf, int size) const { | |
58 char* str; | |
59 int len = utf8_length(); | |
60 int buf_len = len + 1; | |
61 if (size < buf_len) { | |
62 str = NEW_RESOURCE_ARRAY(char, buf_len); | |
63 } else { | |
64 str = buf; | |
65 } | |
66 return as_C_string(str, buf_len); | |
67 } | |
68 | |
69 void symbolOopDesc::print_symbol_on(outputStream* st) { | |
70 st = st ? st : tty; | |
71 for (int index = 0; index < utf8_length(); index++) | |
72 st->put((char)byte_at(index)); | |
73 } | |
74 | |
75 jchar* symbolOopDesc::as_unicode(int& length) const { | |
76 symbolOopDesc* this_ptr = (symbolOopDesc*)this; | |
77 length = UTF8::unicode_length((char*)this_ptr->bytes(), utf8_length()); | |
78 jchar* result = NEW_RESOURCE_ARRAY(jchar, length); | |
79 if (length > 0) { | |
80 UTF8::convert_to_unicode((char*)this_ptr->bytes(), result, length); | |
81 } | |
82 return result; | |
83 } | |
84 | |
85 const char* symbolOopDesc::as_klass_external_name(char* buf, int size) const { | |
86 if (size > 0) { | |
87 char* str = as_C_string(buf, size); | |
88 int length = (int)strlen(str); | |
89 // Turn all '/'s into '.'s (also for array klasses) | |
90 for (int index = 0; index < length; index++) { | |
91 if (str[index] == '/') { | |
92 str[index] = '.'; | |
93 } | |
94 } | |
95 return str; | |
96 } else { | |
97 return buf; | |
98 } | |
99 } | |
100 | |
101 const char* symbolOopDesc::as_klass_external_name() const { | |
102 char* str = as_C_string(); | |
103 int length = (int)strlen(str); | |
104 // Turn all '/'s into '.'s (also for array klasses) | |
105 for (int index = 0; index < length; index++) { | |
106 if (str[index] == '/') { | |
107 str[index] = '.'; | |
108 } | |
109 } | |
110 return str; | |
111 } |