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ICU-3931 Cleaned up checkValidKeyword method

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X-SVN-Rev: 27449
This commit is contained in:
Kirti Velankar 2010-01-30 00:11:31 +00:00
parent 97a24057a9
commit ba83d297f8
1 changed files with 12 additions and 65 deletions
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77
icu4c/source/i18n/selfmt.cpp
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@ -338,75 +338,22 @@ SelectFormat::checkSufficientDefinition() {
UBool
SelectFormat::checkValidKeyword(const UnicodeString& argKeyword ) const{
UnicodeString keyword = UnicodeString();
enum State{ startState, keywordState, pastKeywordState };
int32_t len = argKeyword.length();
if (len < 1){
return FALSE;
}
characterClass type;
classifyCharacter( argKeyword.charAt(0) , type);
if( type != tStartKeyword ){
return FALSE;
}
//Initialize
State state = startState;
keyword.remove();
//Start the processing
for (int32_t i = 0; i < argKeyword.length(); ++i) {
//Get the character and check its type
UChar ch = argKeyword.charAt(i);
characterClass type;
classifyCharacter(ch, type);
//Any character that is not allowed
if ( type == tOther ) {
classifyCharacter( argKeyword.charAt(i) , type);
if( type != tStartKeyword && type != tContinueKeyword ){
return FALSE;
}
//Process the state machine
switch (state) {
//At the start of pattern
case startState:
switch (type) {
case tSpace:
break;
case tStartKeyword:
state = keywordState;
keyword += ch;
break;
//If anything else is encountered, it's a syntax error
default:
return FALSE;
}//end of switch(type)
break;
//Handle the keyword state
case keywordState:
switch (type) {
case tSpace:
state = pastKeywordState;
break;
case tStartKeyword:
case tContinueKeyword:
keyword += ch;
break;
//If anything else is encountered,it's a syntax error
default:
return FALSE;
}//end of switch(type)
break;
//Handle the pastkeyword state
case pastKeywordState:
switch (type) {
case tSpace:
break;
//If anything else is encountered,it's a syntax error
default:
return FALSE;
}//end of switch(type)
break;
default:
return FALSE;
}//end of switch(state)
}//end of loop of argKeyword
}
return TRUE;
}