zongaro 2002/12/21 02:25:06
Modified: java/src/org/apache/xml/utils Tag: XSLTC_DTM
FastStringBuffer.java
Log:
When converting a run of characters in a FastStringBuffer to a
java.lang.String,
check whether all the characters are in the same chunk. If so, there's no
need to create a StringBuffer into which to copy them - the subpart of the
chunk can be converted to String directly more efficiently.
Revision Changes Path
No revision
No revision
1.18.6.2 +12 -2
xml-xalan/java/src/org/apache/xml/utils/FastStringBuffer.java
Index: FastStringBuffer.java
===================================================================
RCS file:
/home/cvs/xml-xalan/java/src/org/apache/xml/utils/FastStringBuffer.java,v
retrieving revision 1.18.6.1
retrieving revision 1.18.6.2
diff -u -r1.18.6.1 -r1.18.6.2
--- FastStringBuffer.java 29 Jul 2002 00:01:31 -0000 1.18.6.1
+++ FastStringBuffer.java 21 Dec 2002 10:25:06 -0000 1.18.6.2
@@ -900,8 +900,18 @@
*/
public String getString(int start, int length)
{
- return getString(new StringBuffer(length), start >>> m_chunkBits,
- start & m_chunkMask, length).toString();
+ int startColumn = start & m_chunkMask;
+ int startChunk = start >>> m_chunkBits;
+ if (startColumn + length < m_chunkMask && m_innerFSB == null) {
+ return getOneChunkString(startChunk, startColumn, length);
+ }
+ return getString(new StringBuffer(length), startChunk, startColumn,
+ length).toString();
+ }
+
+ protected String getOneChunkString(int startChunk, int startColumn,
+ int length) {
+ return new String(m_array[startChunk], startColumn, length);
}
/**
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