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ICU-990 go back to generated patterns

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X-SVN-Rev: 5250
This commit is contained in:
Alan Liu 2001-07-17 18:14:08 +00:00
parent fef3717e16
commit a8238cfcb2
1 changed files with 25 additions and 25 deletions
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50
icu4c/source/i18n/uniset.cpp
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@ -397,31 +397,31 @@ UnicodeString& UnicodeSet::toPattern(UnicodeString& result,
*/
UnicodeString& UnicodeSet::_toPattern(UnicodeString& result,
UBool escapeUnprintable) const {
if (pat.length() > 0) {
int32_t i;
int32_t backslashCount = 0;
for (i=0; i<pat.length(); ++i) {
UChar c = pat.charAt(i);
if (_isUnprintable(c)) {
// If the unprintable character is preceded by an odd
// number of backslashes, then it has been escaped.
// Before unescaping it, we delete the final
// backslash.
if ((backslashCount % 2) == 1) {
result.truncate(result.length() - 1);
}
_escapeUnprintable(result, c);
} else {
result.append(c);
if (c == BACKSLASH) {
++backslashCount;
} else {
backslashCount = 0;
}
}
}
return result;
}
// if (pat.length() > 0) {
// int32_t i;
// int32_t backslashCount = 0;
// for (i=0; i<pat.length(); ++i) {
// UChar c = pat.charAt(i);
// if (_isUnprintable(c)) {
// // If the unprintable character is preceded by an odd
// // number of backslashes, then it has been escaped.
// // Before unescaping it, we delete the final
// // backslash.
// if ((backslashCount % 2) == 1) {
// result.truncate(result.length() - 1);
// }
// _escapeUnprintable(result, c);
// } else {
// result.append(c);
// if (c == BACKSLASH) {
// ++backslashCount;
// } else {
// backslashCount = 0;
// }
// }
// }
// return result;
// }
return _generatePattern(result, escapeUnprintable);
}