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ICU-2952 make idna conform to UParseError conventions

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X-SVN-Rev: 14569
This commit is contained in:
Alan Liu 2004-02-24 05:26:03 +00:00
parent 0a5e75fb60
commit f3fe03c6f5
1 changed files with 11 additions and 17 deletions
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28
icu4c/source/common/usprep.cpp
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@ -413,34 +413,28 @@ uprv_syntaxError(const UChar* rules,
if(parseError == NULL){
return;
}
if(pos == rulesLen && rulesLen >0){
pos--;
}
parseError->offset = pos;
parseError->line = 0 ; // we are not using line numbers
// for pre-context
int32_t start = (pos <=U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1));
int32_t stop = pos;
int32_t limit = pos;
u_memcpy(parseError->preContext,rules+start,stop-start);
u_memcpy(parseError->preContext,rules+start,limit-start);
//null terminate the buffer
parseError->preContext[stop-start] = 0;
parseError->preContext[limit-start] = 0;
//for post-context
// for post-context; include error rules[pos]
start = pos;
if(start<rulesLen) {
U16_FWD_1(rules, start, rulesLen);
limit = start + (U_PARSE_CONTEXT_LEN-1);
if (limit > rulesLen) {
limit = rulesLen;
}
stop = ((pos+U_PARSE_CONTEXT_LEN)<= rulesLen )? (pos+(U_PARSE_CONTEXT_LEN)) :
rulesLen;
if(start < stop){
u_memcpy(parseError->postContext,rules+start,stop-start);
//null terminate the buffer
parseError->postContext[stop-start]= 0;
if (start < rulesLen) {
u_memcpy(parseError->postContext,rules+start,limit-start);
}
//null terminate the buffer
parseError->postContext[limit-start]= 0;
}