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ICU-75 add unescapeLeniently()

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X-SVN-Rev: 6284
This commit is contained in:
Alan Liu 2001-10-17 20:09:44 +00:00
parent b8821ea393
commit edb9849ffd
2 changed files with 54 additions and 4 deletions
icu4j/src/com/ibm
icu/impl
Utility.java
util
Utility.java

29
icu4j/src/com/ibm/icu/impl/Utility.java
View file

@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/impl/Utility.java,v $
* $Date: 2001/09/24 19:57:51 $
* $Revision: 1.7 $
* $Date: 2001/10/17 20:09:44 $
* $Revision: 1.8 $
*
*****************************************************************************************
*/
@ -771,6 +771,31 @@ public final class Utility {
return buf.toString();
}
/**
* Convert all escapes in a given string using unescapeAt().
* Leave invalid escape sequences unchanged.
*/
public static String unescapeLeniently(String s) {
StringBuffer buf = new StringBuffer();
int[] pos = new int[1];
for (int i=0; i<s.length(); ) {
char c = s.charAt(i++);
if (c == '\\') {
pos[0] = i;
int e = unescapeAt(s, pos);
if (e < 0) {
buf.append(c);
} else {
UTF16.append(buf, e);
i = pos[0];
}
} else {
buf.append(c);
}
}
return buf.toString();
}
/**
* Convert a char to 4 hex uppercase digits. E.g., hex('a') =>
* "0041".

29
icu4j/src/com/ibm/util/Utility.java
View file

@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/util/Attic/Utility.java,v $
* $Date: 2001/09/24 19:57:51 $
* $Revision: 1.7 $
* $Date: 2001/10/17 20:09:44 $
* $Revision: 1.8 $
*
*****************************************************************************************
*/
@ -771,6 +771,31 @@ public final class Utility {
return buf.toString();
}
/**
* Convert all escapes in a given string using unescapeAt().
* Leave invalid escape sequences unchanged.
*/
public static String unescapeLeniently(String s) {
StringBuffer buf = new StringBuffer();
int[] pos = new int[1];
for (int i=0; i<s.length(); ) {
char c = s.charAt(i++);
if (c == '\\') {
pos[0] = i;
int e = unescapeAt(s, pos);
if (e < 0) {
buf.append(c);
} else {
UTF16.append(buf, e);
i = pos[0];
}
} else {
buf.append(c);
}
}
return buf.toString();
}
/**
* Convert a char to 4 hex uppercase digits. E.g., hex('a') =>
* "0041".