diff options
Diffstat (limited to 'libjava/java/lang/natString.cc')
-rw-r--r-- | libjava/java/lang/natString.cc | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/libjava/java/lang/natString.cc b/libjava/java/lang/natString.cc index 0d30a35..6514d81 100644 --- a/libjava/java/lang/natString.cc +++ b/libjava/java/lang/natString.cc @@ -1,6 +1,6 @@ // natString.cc - Implementation of java.lang.String native methods. -/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation +/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation This file is part of libgcj. @@ -20,6 +20,7 @@ details. */ #include <java/lang/ArrayIndexOutOfBoundsException.h> #include <java/lang/StringIndexOutOfBoundsException.h> #include <java/lang/NullPointerException.h> +#include <java/lang/StringBuffer.h> #include <java/io/ByteArrayOutputStream.h> #include <java/io/OutputStreamWriter.h> #include <java/io/ByteArrayInputStream.h> @@ -102,7 +103,9 @@ hashChars (jchar* ptr, jint length) jint java::lang::String::hashCode() { - return hashChars(JvGetStringChars(this), length()); + if (cachedHashCode == 0) + cachedHashCode = hashChars(JvGetStringChars(this), length()); + return cachedHashCode; } jstring* @@ -429,14 +432,6 @@ _Jv_NewStringLatin1(const char *bytes, jsize len) } void -java::lang::String::init () -{ - count = 0; - boffset = sizeof(java::lang::String); - data = this; -} - -void java::lang::String::init(jcharArray chars, jint offset, jint count, jboolean dont_copy) { @@ -552,11 +547,30 @@ java::lang::String::equals(jobject anObject) return true; } +jboolean +java::lang::String::contentEquals(java::lang::StringBuffer* buffer) +{ + if (buffer == NULL) + throw new NullPointerException; + JvSynchronize sync(buffer); + if (count != buffer->count) + return false; + if (data == buffer->value) + return true; // Possible if shared. + jint i = count; + jchar *xptr = JvGetStringChars(this); + jchar *yptr = elements(buffer->value); + while (--i >= 0) + if (*xptr++ != *yptr++) + return false; + return true; +} + jchar java::lang::String::charAt(jint i) { if (i < 0 || i >= count) - throw new java::lang::StringIndexOutOfBoundsException; + throw new java::lang::StringIndexOutOfBoundsException(i); return JvGetStringChars(this)[i]; } |