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src/share/vm/oops/symbolOop.cpp@a61af66fc99e (annotated)

src/share/vm/oops/symbolOop.cpp

Sat, 01 Dec 2007 00:00:00 +0000

author

duke

date

Sat, 01 Dec 2007 00:00:00 +0000

changeset 435

a61af66fc99e

child 657

2a1a77d3458f

permissions

-rw-r--r--

Initial load

duke@435	1	/*
duke@435	2	* Copyright 1997-2005 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	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_symbolOop.cpp.incl"
duke@435	27
duke@435	28	bool symbolOopDesc::equals(const char* str, int len) const {
duke@435	29	int l = utf8_length();
duke@435	30	if (l != len) return false;
duke@435	31	while (l-- > 0) {
duke@435	32	if (str[l] != (char) byte_at(l))
duke@435	33	return false;
duke@435	34	}
duke@435	35	assert(l == -1, "we should be at the beginning");
duke@435	36	return true;
duke@435	37	}
duke@435	38
duke@435	39	char* symbolOopDesc::as_C_string(char* buf, int size) const {
duke@435	40	if (size > 0) {
duke@435	41	int len = MIN2(size - 1, utf8_length());
duke@435	42	for (int i = 0; i < len; i++) {
duke@435	43	buf[i] = byte_at(i);
duke@435	44	}
duke@435	45	buf[len] = '\0';
duke@435	46	}
duke@435	47	return buf;
duke@435	48	}
duke@435	49
duke@435	50	char* symbolOopDesc::as_C_string() const {
duke@435	51	int len = utf8_length();
duke@435	52	char* str = NEW_RESOURCE_ARRAY(char, len + 1);
duke@435	53	return as_C_string(str, len + 1);
duke@435	54	}
duke@435	55
duke@435	56	char* symbolOopDesc::as_C_string_flexible_buffer(Thread* t,
duke@435	57	char* buf, int size) const {
duke@435	58	char* str;
duke@435	59	int len = utf8_length();
duke@435	60	int buf_len = len + 1;
duke@435	61	if (size < buf_len) {
duke@435	62	str = NEW_RESOURCE_ARRAY(char, buf_len);
duke@435	63	} else {
duke@435	64	str = buf;
duke@435	65	}
duke@435	66	return as_C_string(str, buf_len);
duke@435	67	}
duke@435	68
duke@435	69	void symbolOopDesc::print_symbol_on(outputStream* st) {
duke@435	70	st = st ? st : tty;
duke@435	71	for (int index = 0; index < utf8_length(); index++)
duke@435	72	st->put((char)byte_at(index));
duke@435	73	}
duke@435	74
duke@435	75	jchar* symbolOopDesc::as_unicode(int& length) const {
duke@435	76	symbolOopDesc* this_ptr = (symbolOopDesc*)this;
duke@435	77	length = UTF8::unicode_length((char*)this_ptr->bytes(), utf8_length());
duke@435	78	jchar* result = NEW_RESOURCE_ARRAY(jchar, length);
duke@435	79	if (length > 0) {
duke@435	80	UTF8::convert_to_unicode((char*)this_ptr->bytes(), result, length);
duke@435	81	}
duke@435	82	return result;
duke@435	83	}
duke@435	84
duke@435	85	const char* symbolOopDesc::as_klass_external_name(char* buf, int size) const {
duke@435	86	if (size > 0) {
duke@435	87	char* str = as_C_string(buf, size);
duke@435	88	int length = (int)strlen(str);
duke@435	89	// Turn all '/'s into '.'s (also for array klasses)
duke@435	90	for (int index = 0; index < length; index++) {
duke@435	91	if (str[index] == '/') {
duke@435	92	str[index] = '.';
duke@435	93	}
duke@435	94	}
duke@435	95	return str;
duke@435	96	} else {
duke@435	97	return buf;
duke@435	98	}
duke@435	99	}
duke@435	100
duke@435	101	const char* symbolOopDesc::as_klass_external_name() const {
duke@435	102	char* str = as_C_string();
duke@435	103	int length = (int)strlen(str);
duke@435	104	// Turn all '/'s into '.'s (also for array klasses)
duke@435	105	for (int index = 0; index < length; index++) {
duke@435	106	if (str[index] == '/') {
duke@435	107	str[index] = '.';
duke@435	108	}
duke@435	109	}
duke@435	110	return str;
duke@435	111	}