TBool TfrLex::Eat( TLex& aLex, const TChar aChar )
{
TLexMark unget;
if ( aChar.IsSpace() )
{
// A space character requires its own logic = go over
// the other space characters - x gets the next char.
TChar x;
aLex.Mark(unget);
while ( x = aLex.Get(), x.IsSpace() && x != aChar )
{};
if ( x == aChar )
return ETrue;
}
else
{
// For other, non-space, characters: skip spaces and
// get the next character x.
aLex.SkipSpace();
aLex.Mark(unget);
if ( aLex.Get() == aChar )
return ETrue;
}
// The character wasn't there, unget to the start point.
aLex.UnGetToMark(unget);
return EFalse;
}
TBool TfrLex::EatF( TLex& aLex, const TDesC& aTerm )
{
aLex.SkipSpace();
TLexMark unget;
aLex.Mark(unget);
if ( ValF(aLex,aTerm) == KErrNone ) return ETrue;
aLex.UnGetToMark(unget);
return EFalse;
}
TPtrC TfrLex::GetL( TLex& aLex, const TChar aChar )
{
// Skip spaces and mark the token's start point.
aLex.SkipSpace();
TLexMark mark;
aLex.Mark(mark);
if (aLex.Peek() == '"' )
{
// Skip the " and do find next " followed by eos, space or aChar.
aLex.Inc();
TChar x;
while ( x = aLex.Get(), !x.Eos() )
{
if ( x == '"' )
{
// Found a " character - but is it the end of the token?
x = aLex.Peek(); // peek the next character
if ( x.Eos() || x.IsSpace() || x == aChar )
// End of token: return token.
return aLex.MarkedToken(mark);
}
}
// Unget and L E A V E because did not find the end " of token.
aLex.UnGetToMark(mark);
User::Leave(KErrArgument);
return aLex.MarkedToken(mark); // never reached (l e a v e).
}
else
{
// Is not a "*" token: find eos or the next space or the aChar
// and return the token.
TChar x;
while ( x = aLex.Peek(), !x.Eos() && !x.IsSpace() && x != aChar )
aLex.Inc();
return aLex.MarkedToken(mark);
}
}
/**
Search algorithm for searching phone numbers
@param aText Text that will be parsed
@return ETrue if any Phone Number items were found else returns EFalse
@leave KErrNone, if successful; otherwise one of the other system-wide error codes.
@panic ETulPanicDescriptorLength in debug build if item's position
and/or length is out of the document's range.
*/
TBool CTulAddressStringTokenizer::SearchPhoneNumberL( const TDesC& aText )
{
TLexMark startMark; // Points to the start of the found phone number
TLexMark endMark; // Points to the end of the found phone number
TLexMark mark;
const TInt end = aText.Length();
TLex number = aText;
while ( !(number.Eos()) )
{
TInt numberCount = 0; // How many real numbers (1234567890)
TInt bracketsOpen = 0; // How many brackets are currently open
TInt brackets = 0; // How many brackets overall
TChar charac = number.Peek();
while( (!(IsValidPhoneNumberChar( charac ) || charac == '+'
|| charac == '(' ) || charac == '-' || charac == '.' || charac == '/')
&& !(number.Eos()) && number.Offset() < end )
{
number.Inc();
charac = number.Peek();
}
if ( number.Offset() >= end )
break;
if ( number.Peek() == '#' )
{
number.Inc();
if (number.Peek() == '.' )
continue;
number.UnGet();
}
if ( number.Peek() == '+' )
{ // '+' has to be followed by a number (not # or * ...)
number.Inc();
if ( !(number.Peek().IsDigit()) )
continue;
number.UnGet();
}
if ( number.Peek() == '(' )
{ // '(' has to be followed by valid phone number
// character (whitespaces are allowed before) or '+' is a next character
number.Inc();
if ( !(number.Peek() == '+') )
{
number.Mark(mark);
number.SkipSpace();
charac = number.Peek();
if ( !( IsValidPhoneNumberChar(charac) || charac == '+'
|| charac == '(' ) || charac == '-' || charac == '.' || charac == '/')
{
number.Inc();
continue;
}
else
{
number.UnGetToMark(mark);
number.UnGet();
number.Mark(startMark);
}
}
else
{
number.UnGet();
number.Mark(startMark);
number.Inc();
}
bracketsOpen++;
brackets++;
}
else
number.Mark(startMark);
if ( number.Peek().IsDigit() ) // If the character was a number
numberCount++;
else if ( bracketsOpen > 0 )
{
number.Inc();
TChar next = number.Peek();
TInt bracketsOpen2 = bracketsOpen;
while( (IsValidPhoneNumberChar( next ) || next.IsSpace()
|| next == '(' || next == ')' || next == 'p' || next == '+'
|| next == 'w' ) && !(number.Eos()) && number.Offset() < end)
{
if ( next == '(' )
bracketsOpen2++;
else if ( next == ')' )
bracketsOpen2--;
if ( bracketsOpen2 == 0 )
break;
number.Inc();
next = number.Peek();
}
number.UnGetToMark(startMark);
if ( bracketsOpen2 != 0 )
{
number.Inc();
continue;
}
}
number.Inc();
while ( number.Peek() == '(' && !(number.Eos()) && bracketsOpen > 0 )
{
number.Inc();
bracketsOpen++;
}
if ( number.Peek() == '+' && bracketsOpen > 0 )
number.Inc();
// a Valid first character has been found. Let's go forward as long as valid characters are found.
charac = number.Peek();
while( (IsValidPhoneNumberChar( charac ) || charac.IsSpace()
|| charac == '(' || charac == ')' || charac == 'p'
|| charac == 'w' ) && !(number.Eos()) && number.Offset() < end
&& charac != KCharLinefeed && charac != KCharFormfeed
&& charac != KCharCarriageReturn
&& charac != KCharLineSeparator
&& charac != KCharParagraphSeparator )
{
if ( number.Peek() == '(' )
{ // '(' can't be the last character in phone number
number.Mark(mark);
number.Inc();
TChar spaceJump = number.Peek();
while ( !number.Eos() && spaceJump.IsSpace() && spaceJump != KCharLinefeed
&& spaceJump != KCharFormfeed && spaceJump != KCharCarriageReturn
&& charac != KCharLineSeparator && spaceJump != KCharParagraphSeparator)
{
number.Inc();
spaceJump = number.Peek();
}
if ( !(IsValidPhoneNumberChar(number.Peek())) && number.Peek() != ')'
&& number.Peek() != '(' )
{
number.UnGetToMark(mark);
break;
}
TChar next = number.Peek();
TInt bracketsOpen2 = bracketsOpen + 1;
while( (IsValidPhoneNumberChar( next ) || next.IsSpace()
|| next == '(' || next == ')' || next == 'p'
|| next == 'w' ) && !(number.Eos()) && number.Offset() < end)
{
if ( next == '(' )
bracketsOpen2++;
else if ( next == ')' )
bracketsOpen2--;
if ( bracketsOpen2 == 0 )
break;
number.Inc();
next = number.Peek();
}
number.UnGetToMark(mark);
if ( bracketsOpen2 != 0 )
break;
bracketsOpen++;
brackets++;
}
else if ( number.Peek() == ')' )
{
if ( bracketsOpen <= 0 ) // there has to be equal number of brackets
break;
bracketsOpen--;
number.Mark(mark);
number.Inc();
if ( number.Peek() == '.' ) // '.' is not allowed after ')'
break;
number.UnGetToMark(mark);
}
else if ( number.Peek() == '-' || number.Peek() == 'w'
|| number.Peek() == 'p' || number.Peek() == '.' || number.Peek() == '/')
{ // Hyphen mark and 'p' & 'w' chars must be followed by a number
TChar last = number.Peek();
number.Mark(mark);
number.Inc();
TChar spaceJump = number.Peek();
while ( !number.Eos() && spaceJump.IsSpace() && spaceJump != KCharLinefeed
&& spaceJump != KCharFormfeed && spaceJump != KCharCarriageReturn
&& charac != KCharLineSeparator && spaceJump != KCharParagraphSeparator )
{
number.Inc();
spaceJump = number.Peek();
}
if ( !(number.Peek().IsDigit()) )
{
if (last == '.' && number.Peek() == ')' && bracketsOpen > 0 )
continue;
else
{
number.UnGetToMark(mark);
break;
}
}
number.UnGetToMark(mark);
}
else if ( number.Peek().IsDigit() )
numberCount++;
number.Inc();
charac = number.Peek();
}
// Get rid of whitespaces from the end
number.UnGet();
while( number.Peek().IsSpace() && !(number.Eos()))
number.UnGet();
number.Inc();
// ------------------------------------
number.Mark(endMark);
// If they exist, remove brackets from the beginning and the end
number.Mark(mark); // Let's mark where to continue the search
TBool endBrackets = ETrue;
do
{
number.UnGet();
if ( number.Peek() == ')' )
{
number.UnGetToMark(startMark);
if ( number.Peek() == '(' )
{
// If there's more than one pair of brackets -> don't strip them.
if ( brackets > 1 )
break;
number.Inc();
number.Mark(startMark);
number.UnGetToMark(endMark);
number.UnGet();
number.Mark(endMark);
// Get rid of whitespaces and periods from the end and from the beginning
number.UnGet();
while ( (number.Peek().IsSpace() || number.Peek() == '.')
&& number.Offset() > number.MarkedOffset(startMark) )
{ // from the end
number.UnGet();
}
number.Inc();
number.Mark(endMark);
number.UnGetToMark(startMark);
while ( (number.Peek().IsSpace() || number.Peek() == '.')
&& number.Offset() < number.MarkedOffset(endMark) )
{ // from the beginning
number.Inc();
}
number.Mark(startMark);
number.UnGetToMark(endMark);
// ----
}
else
endBrackets = EFalse;
}
else
endBrackets = EFalse;
}
while ( endBrackets );
number.UnGetToMark(mark);
// ----------------
if ( numberCount <= KFindItemMaxNumbers && numberCount >= iMinNumbers )
{
TPtrC tokenPtr = number.MarkedToken(startMark);
TInt tokensEnd = tokenPtr.Length();
TInt numbers = 0;
TInt partialNumber = 0;
TBool wasValidPhoneNumber = ETrue;
TInt i = 0;
for ( ; i < tokensEnd; i++ )
{
if ( tokenPtr[i] == '.' )
partialNumber = 0;
else if ( ((TChar)tokenPtr[i]).IsDigit() )
{
numbers++;
partialNumber++;
}
if ( ( partialNumber == 1 || partialNumber == 2 ) && i + 1 < tokensEnd )
{
if ( tokenPtr[i + 1] == '.' )
wasValidPhoneNumber = EFalse;
}
}
if (!wasValidPhoneNumber && numbers > 6)
wasValidPhoneNumber = ETrue;
if (wasValidPhoneNumber)
{
__ASSERT_DEBUG( number.MarkedOffset(startMark) + number.MarkedOffset(endMark)
- number.MarkedOffset(startMark) <= aText.Length(),
Panic(ETulPanicDescriptorLength) );
AddItemL( number.MarkedOffset(startMark),
number.MarkedOffset(endMark) - number.MarkedOffset(startMark),
EFindItemSearchPhoneNumberBin );
}
}
}
return (iFoundItems->Count() > 0);
}