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ICU-10291 Optimize IDNA toASCII loop

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Frank Tang 2019-03-12 13:12:54 -07:00 • committed by Frank Yung-Fong Tang
parent ee71b22847
commit 2232a2b81e
2 changed files with 6 additions and 8 deletions
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7
icu4c/source/common/uidna.cpp
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@ -57,18 +57,16 @@ toASCIILower(UChar ch){
inline static UBool
startsWithPrefix(const UChar* src , int32_t srcLength){
UBool startsWithPrefix = TRUE;
if(srcLength < ACE_PREFIX_LENGTH){
return FALSE;
}
for(int8_t i=0; i< ACE_PREFIX_LENGTH; i++){
if(toASCIILower(src[i]) != ACE_PREFIX[i]){
startsWithPrefix = FALSE;
return FALSE;
}
}
return startsWithPrefix;
return TRUE;
}
@ -441,6 +439,7 @@ _internal_toUnicode(const UChar* src, int32_t srcLength,
for(int32_t j=0; j<srcLength; j++){
if(src[j]> 0x7f){
srcIsASCII = FALSE;
break;
}/*else if(isLDHChar(src[j])==FALSE){
// here we do not assemble surrogates
// since we know that LDH code points

7
icu4j/main/classes/core/src/com/ibm/icu/impl/IDNA2003.java
View file

@ -35,17 +35,15 @@ public final class IDNA2003 {
private static final StringPrep namePrep = StringPrep.getInstance(StringPrep.RFC3491_NAMEPREP);
private static boolean startsWithPrefix(StringBuffer src){
boolean startsWithPrefix = true;
if(src.length() < ACE_PREFIX.length){
return false;
}
for(int i=0; i<ACE_PREFIX.length;i++){
if(toASCIILower(src.charAt(i)) != ACE_PREFIX[i]){
startsWithPrefix = false;
return false;
}
}
return startsWithPrefix;
return true;
}
private static char toASCIILower(char ch){
@ -168,6 +166,7 @@ public final class IDNA2003 {
while((ch = src.next())!= UCharacterIterator.DONE){
if(ch> 0x7f){
srcIsASCII = false;
break;
}
}
int failPos = -1;