本文整理汇总了C++中TLex::Mark方法的典型用法代码示例。如果您正苦于以下问题:C++ TLex::Mark方法的具体用法?C++ TLex::Mark怎么用?C++ TLex::Mark使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TLex
的用法示例。
在下文中一共展示了TLex::Mark方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Eat
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;
}
示例2: GetEnumValuesL
void GetEnumValuesL(TLex& aLex, RBuf& aValues, RBuf& aDescriptions)
{
aValues.CreateL(0x100);
aDescriptions.CreateL(0x100);
while (!aLex.Eos())
{
TLexMark mark;
aLex.Mark(mark);
TPtrC command(NextCommand(aLex));
if (command == KCmndEnumValue)
{
TPtrC value(NextWord(aLex));
TPtrC description(TextToNextCommand(aLex));
if (value.Length() == 0)
{
User::Leave(KErrArgument);
}
AppendL(aValues, value, EFalse);
if (description.Length() > 0)
{
AppendL(aDescriptions, description, ETrue);
}
}
else
{
aLex.UnGetToMark(mark);
break;
}
}
}
示例3: EatF
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;
}
示例4: LineRemainder
TPtrC LineRemainder(TLex& aLex)
{
aLex.Mark();
if (SkipTo(aLex, KNewLine) == KErrNone)
{
return aLex.MarkedToken();
}
else
{
return aLex.Remainder();
}
}
示例5: DoOrReverse
// ----------------------------------------------------
// DoOrReverse()
// Calls aFunc. If it fails, the lexer is returned to
// the state before calling DoOrReverse().
// ----------------------------------------------------
//
LOCAL_C TBool DoOrReverse( TParseFunc aFunc, TLex& aLex )
{
TLexMark mark;
aLex.Mark( mark );
if( (*aFunc)(aLex) )
{
return ETrue;
}
else
{
aLex.UnGetToMark( mark );
return EFalse;
}
}
示例6: ValF
TInt TfrLex::ValF( TLex& aLex, const TDesC& aTerm )
{
TLex term( aTerm );
TLexMark mark;
aLex.Mark( mark );
while ( !term.Eos() )
{
if ( aLex.Eos() || User::Fold(term.Get()) != User::Fold(aLex.Get()) )
{
aLex.UnGetToMark( mark );
return KErrNotFound;
}
}
return KErrNone;
}
示例7: NextCommand
TPtrC NextCommand(TLex& aLex)
{
TPtrC command;
if (SkipToNextCommand(aLex) == KErrNone)
{
SkipToEnd(aLex, KPartialCommandStart);
aLex.Mark();
aLex.SkipCharacters();
command.Set(aLex.MarkedToken());
}
else
{
aLex.Inc(aLex.Remainder().Length());
}
return command;
}
示例8: GetDigits
// -----------------------------------------------------------------------------
// CAknKeyRotatorImpl::SkipSpaces
// Goes over digits and returns that sequence.
// -----------------------------------------------------------------------------
//
TPtrC CAknKeyRotatorImpl::GetDigits( TLex& aLex )
{
// Mark current place and go over digits.
aLex.Mark();
while ( !aLex.Eos() && !IsEndOfLine( aLex.Peek() ) )
{
if ( aLex.Peek().IsDigit() )
{
aLex.Inc();
}
else
{
break;
}
}
return aLex.MarkedToken();
}
示例9: ParseUrlL
/**
Parses URL from a token. Is used by SearchUrlL method and if a URL
was found it's appended to item array. Note that parsing for generic URIs
is done with SearchGenericUriL -method.
@param aType a Type of URL to seach, i.e.
www.
wap.
IP e.g.127.0.0.1
@param aTokenPtr Pointer to token that will be parsed
@param aTextOffset Offset of the token (start position in the whole text)
@leave KErrNone, if successful; otherwise one of the other system-wide error codes.
@return ETrue if the parameter for phone number is valid, else returns EFalse
*/
TBool CTulAddressStringTokenizer::ParseUrlL(const TDesC& aType, const TPtrC& aTokenPtr, TInt aTextOffset)
{
TBool wasValidUrl = EFalse;
TLex url;
TInt position = aTokenPtr.FindF( aType );
if ( position != KErrNotFound )
{ // address start found
url = aTokenPtr.Right( aTokenPtr.Length() - position );
url.Inc( aType.Length() );
while( IsValidUrlChar( url.Peek() ) && !(url.Eos()) )
{
if( url.Peek() == ':' )
{
url.Inc();
if ( !url.Peek().IsDigit() )
{
url.UnGet();
break;
}
}
else
url.Inc();
}
// If a period or question mark was followed by a whitespace remove it
if ( url.Eos() ) // Can't be followed by white space if it's
{ // the last character at token
url.UnGet();
if ( url.Peek() != '.' && url.Peek() != '?' && url.Peek() != ',' ) // If it wasn't a period or question mark
url.Inc();
}
url.Mark();
wasValidUrl = ETrue;
}
if ( wasValidUrl && ( url.MarkedOffset() > aType.Length() ) )
{
AddItemL( aTextOffset - aTokenPtr.Length() + position, url.MarkedOffset(), EFindItemSearchURLBin );
return ETrue;
}
return EFalse;
}
示例10: GetNextWord
EXPORT_C TInt CScriptFile::GetNextWord(TLex& aInput, TChar aDelimiter, TPtrC& aOutput)
{
//Get to the start of the descriptor
while (!aInput.Peek().IsAlphaDigit() && aInput.Peek() != '+' && !aInput.Eos() && aInput.Peek() != aDelimiter)
aInput.Inc();
if (aInput.Eos())
return KErrNotFound;
aInput.Mark();
while (aInput.Peek() != aDelimiter && !aInput.Eos())
aInput.Inc();
aOutput.Set(aInput.MarkedToken());
if (!aInput.Eos())
aInput.SkipAndMark(1);
return KErrNone;
}
示例11: GetL
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);
}
}
示例12: TextToNextCommand
TPtrC TextToNextCommand(TLex& aLex)
{
aLex.Mark();
if (SkipToNextCommand(aLex) != KErrNone)
{
aLex.Inc(aLex.Remainder().Length());
}
TLex lex(aLex.MarkedToken());
// Strip leading white space.
while (!lex.Eos())
{
if (lex.Peek().IsSpace())
{
lex.Get();
}
else
{
break;
}
}
lex.Mark();
TInt startOffset = lex.Offset();
// Remove trailing white space.
lex.Inc(lex.Remainder().Length());
while (lex.Offset() > startOffset)
{
lex.UnGet();
if (!lex.Peek().IsSpace())
{
lex.Get();
break;
}
}
return lex.MarkedToken();
}
示例13: SearchMailAddressL
/**
Search algorithm for searching e-mail addresses
@param aText Text that will be parsed
@return ETrue if any EMail 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::SearchMailAddressL( const TDesC& aText )
{
TInt searchStart = 0;
TInt searchResult = 0;
const TInt end = aText.Length(); // end of document
do
{
TPtrC segment = aText.Right( end - searchStart );
searchResult = segment.LocateF('@');
if (searchResult != KErrNotFound)
{ // @ found
// There should be valid characters (not a period) before and after the @ character
if ( searchResult == 0 // first char
|| (searchResult >= segment.Length() - 1) // last char
|| !(IsValidEmailChar(segment[searchResult - 1]))
|| !(IsValidEmailHostChar(segment[searchResult + 1]))
|| segment[searchResult - 1] == '.'
|| segment[searchResult + 1] == '.'
)
{
searchStart += searchResult + 1;
continue;
}
TBool wasPeriod = EFalse; // To prevent sequential periods
// Get TLex from the pointer to get a better API for parsing
TLexMark startPos;
TLexMark endPos;
TLex token = segment;
// Go to searchResult and un-get until the beginning of e-mail address is reached
token.Inc( searchResult );
token.Mark();
do
{
token.UnGet();
if ( token.Peek() == '.' )
{ // If it was a period
if (wasPeriod) // and if the former was also -> break
break;
else // else mark that this one was a period
wasPeriod = ETrue;
}
else
wasPeriod = EFalse;
}
while (token.Offset() > 0 && IsValidEmailChar(token.Peek()));
if (token.Offset() != 0 || !IsValidEmailChar(token.Peek()))
token.Inc();
// Get rid of periods from the start of address
// Does it have to start with a number or char(abc...).
// If it does, the loop should check that it gets rid of all special chars also.
while (token.Peek() == '.')
token.Inc();
token.Mark( startPos ); // Mark the beginning of address
token.UnGetToMark();
wasPeriod = EFalse;
do // Go forward until a nonvalid character
{
token.Inc();
if ( token.Peek() == '.' )
{ // If it was a period
if ( wasPeriod ) // and if the former was also -> break
break;
else // else mark that this one was a period
wasPeriod = ETrue;
}
else
wasPeriod = EFalse;
}
while ( !token.Eos() && IsValidEmailHostChar( token.Peek() ) );
// If address ends with a period take it away
token.UnGet();
if (token.Peek() != '.')
token.Inc();
token.Mark( endPos ); // Mark the beginning of address
// Append the found string to the array
__ASSERT_DEBUG( searchStart + token.MarkedOffset( startPos )
+ token.MarkedOffset( endPos )
- token.MarkedOffset( startPos ) <= aText.Length(),
Panic(ETulPanicDescriptorLength) );
AddItemL( searchStart + token.MarkedOffset( startPos ),
//.........这里部分代码省略.........
示例14: SearchPhoneNumberL
/**
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)
//.........这里部分代码省略.........
示例15: ReadDetailsL
void CCommandInfoFile::ReadDetailsL(TLex& aLex, RFs& aFs, const TDesC& aFileName)
{
SkipToNextCommand(aLex); // Ignore everything before the first '==' command.
while (!aLex.Eos())
{
TLexMark mark;
aLex.Mark(mark);
TPtrC command(NextCommand(aLex));
if (command == KNullDesC)
{
// Do nothing - we're at the end of the string.
}
else if (command == KCmndName)
{
aLex.SkipSpaceAndMark();
aLex.SkipCharacters();
iName.Set(aLex.MarkedToken());
}
else if (command == KCmndShortDescription)
{
iShortDescription.Set(TextToNextCommand(aLex));
}
else if (command == KCmndLongDescription)
{
iLongDescription.Set(TextToNextCommand(aLex));
}
else if (command == KCmndSeeAlso)
{
iSeeAlso.Set(TextToNextCommand(aLex));
}
else if (command == KCmndCopyright)
{
iCopyright.Set(TextToNextCommand(aLex));
}
else if (command == KCmndSmokeTest)
{
// Hmm no easy way to get the line number we're currently on
iSmokeTestLineNumber = 1;
TLex lex(aLex);
lex.Inc(-aLex.Offset()); // Only way to put a TLex back to the beginning!
TPtrC preceding = lex.Remainder().Left(aLex.Offset());
const TUint16* ptr = preceding.Ptr();
const TUint16* end = ptr + preceding.Length();
while (ptr != end)
{
if (*ptr++ == '\n') iSmokeTestLineNumber++;
}
// At this point iSmokeTestLineNumber points to the "==smoketest" line - add 2 to skip this line and the blank line below it
iSmokeTestLineNumber += 2;
iSmokeTest.Set(TextToNextCommand(aLex));
}
else if (command == KCmndArgument)
{
ReadArgumentL(aLex, aFileName);
}
else if (command == KCmndOption)
{
ReadOptionL(aLex, aFileName);
}
else if (command == KCmndInclude)
{
if (iParent == NULL)
{
iProcessInclude = EFalse;
TLex lineLex(LineRemainder(aLex));
TPtrC fileName(NextWord(lineLex));
TFileName2* fullFileName = new(ELeave) TFileName2(aFileName);
CleanupStack::PushL(fullFileName);
fullFileName->SetNameAndExtL(fileName);
ReadFileL(aFs, *fullFileName);
CleanupStack::PopAndDestroy(fullFileName);
break;
}
else
{
// We're a sub-command. Let control return to the root to handle the include.
aLex.UnGetToMark(mark);
iParent->ProcessInclude(*this);
break;
}
}
else if (command == KCmndSubCommand)
{
if (iParent == NULL)
{
TLex lineLex(LineRemainder(aLex));
AddSubCommandL(lineLex, aLex, aFs, aFileName);
}
else
{
// We're a sub-command. Let control return to the root to handle the next sub-command.
aLex.UnGetToMark(mark);
iParent->ProcessNewChild();
break;
}
}
else
{
StaticLeaveIfErr(KErrArgument, _L("Unknown command \"%S\" in \"%S\""), &command, &aFileName);
//.........这里部分代码省略.........