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ICU-80 add initial script support to UnicodeSet

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X-SVN-Rev: 6103
This commit is contained in:
Alan Liu 2001-10-05 23:22:37 +00:00
parent 16093d1efb
commit 7446a9acdf
2 changed files with 66 additions and 8 deletions
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37
icu4j/src/com/ibm/icu/text/UnicodeSet.java
View File

@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/text/UnicodeSet.java,v $
* $Date: 2001/09/26 18:00:06 $
* $Revision: 1.35 $
* $Date: 2001/10/05 23:22:37 $
* $Revision: 1.36 $
*
*****************************************************************************************
*/
@ -255,7 +255,7 @@ import com.ibm.util.Utility;
* *Unsupported by Java (and hence unsupported by UnicodeSet).
*
* @author Alan Liu
* @version $RCSfile: UnicodeSet.java,v $ $Revision: 1.35 $ $Date: 2001/09/26 18:00:06 $ */
* @version $RCSfile: UnicodeSet.java,v $ $Revision: 1.36 $ $Date: 2001/10/05 23:22:37 $ */
public class UnicodeSet extends UnicodeFilter {
/* Implementation Notes.
@ -1603,6 +1603,9 @@ public class UnicodeSet extends UnicodeFilter {
* not currently cache single-letter categories such as "L" or
* complements such as "^Lu" or "^L". It would be easy to cache
* these as well in a hashtable should the need arise.
*
* NEW: The category name can now be a script name, as defined
* by UScript.
*/
private void applyCategory(String catName) {
boolean invert = (catName.length() > 1 &&
@ -1644,7 +1647,33 @@ public class UnicodeSet extends UnicodeFilter {
}
if (!match) {
throw new IllegalArgumentException("Bad category");
// TODO: Add caching of these, if desired
int script = UScript.getCode(catName);
if (script != UScript.USCRIPT_INVALID_CODE) {
match = true;
clear();
int start = -1;
int end = -2;
for (int i=0; i<=0xFFFF; ++i) {
if (UScript.getScript(i) == script) {
if ((end+1) == i) {
end = i;
} else {
if (start >= 0) {
add((char) start, (char) end);
}
start = end = i;
}
}
}
if (start >= 0) {
add((char) start, (char) end);
}
}
}
if (!match) {
throw new IllegalArgumentException("Illegal category [:" + catName + ":]");
}
if (invert) {

37
icu4j/src/com/ibm/text/UnicodeSet.java
View File

@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/text/Attic/UnicodeSet.java,v $
* $Date: 2001/09/26 18:00:06 $
* $Revision: 1.35 $
* $Date: 2001/10/05 23:22:37 $
* $Revision: 1.36 $
*
*****************************************************************************************
*/
@ -255,7 +255,7 @@ import com.ibm.util.Utility;
* *Unsupported by Java (and hence unsupported by UnicodeSet).
*
* @author Alan Liu
* @version $RCSfile: UnicodeSet.java,v $ $Revision: 1.35 $ $Date: 2001/09/26 18:00:06 $ */
* @version $RCSfile: UnicodeSet.java,v $ $Revision: 1.36 $ $Date: 2001/10/05 23:22:37 $ */
public class UnicodeSet extends UnicodeFilter {
/* Implementation Notes.
@ -1603,6 +1603,9 @@ public class UnicodeSet extends UnicodeFilter {
* not currently cache single-letter categories such as "L" or
* complements such as "^Lu" or "^L". It would be easy to cache
* these as well in a hashtable should the need arise.
*
* NEW: The category name can now be a script name, as defined
* by UScript.
*/
private void applyCategory(String catName) {
boolean invert = (catName.length() > 1 &&
@ -1644,7 +1647,33 @@ public class UnicodeSet extends UnicodeFilter {
}
if (!match) {
throw new IllegalArgumentException("Bad category");
// TODO: Add caching of these, if desired
int script = UScript.getCode(catName);
if (script != UScript.USCRIPT_INVALID_CODE) {
match = true;
clear();
int start = -1;
int end = -2;
for (int i=0; i<=0xFFFF; ++i) {
if (UScript.getScript(i) == script) {
if ((end+1) == i) {
end = i;
} else {
if (start >= 0) {
add((char) start, (char) end);
}
start = end = i;
}
}
}
if (start >= 0) {
add((char) start, (char) end);
}
}
}
if (!match) {
throw new IllegalArgumentException("Illegal category [:" + catName + ":]");
}
if (invert) {