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8074297: substring in XSLT returns wrong character if string contains supplementary chars

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Reviewed-by: joehw
This commit is contained in:
Aleksei Efimov 2015-03-30 14:54:57 +03:00
parent b2805ba95a
commit d4502a832f
1 changed files with 11 additions and 6 deletions
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17
jaxp/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/runtime/BasisLibrary.java
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@ -270,7 +270,7 @@ public final class BasisLibrary {
if (Double.isNaN(start))
return(EMPTYSTRING);
final int strlen = value.length();
final int strlen = getStringLength(value);
int istart = (int)Math.round(start) - 1;
if (istart > strlen)
@ -278,6 +278,7 @@ public final class BasisLibrary {
if (istart < 1)
istart = 0;
try {
istart = value.offsetByCodePoints(0, istart);
return value.substring(istart);
} catch (IndexOutOfBoundsException e) {
runTimeError(RUN_TIME_INTERNAL_ERR, "substring()");
@ -297,13 +298,14 @@ public final class BasisLibrary {
return(EMPTYSTRING);
int istart = (int)Math.round(start) - 1;
final int ilength = (int)Math.round(length);
final int isum;
if (Double.isInfinite(length))
isum = Integer.MAX_VALUE;
else
isum = istart + (int)Math.round(length);
isum = istart + ilength;
final int strlen = value.length();
final int strlen = getStringLength(value);
if (isum < 0 || istart > strlen)
return(EMPTYSTRING);
@ -311,10 +313,13 @@ public final class BasisLibrary {
istart = 0;
try {
if (isum > strlen)
istart = value.offsetByCodePoints(0, istart);
if (isum > strlen) {
return value.substring(istart);
else
return value.substring(istart, isum);
} else {
int offset = value.offsetByCodePoints(istart, ilength);
return value.substring(istart, offset);
}
} catch (IndexOutOfBoundsException e) {
runTimeError(RUN_TIME_INTERNAL_ERR, "substring()");
return null;