QPatternist::TokenRevealer Class Reference

Delegates another Tokenizer, and while doing so prints the tokens it delivers to stderr. More...

#include <qtokenrevealer_p.h>

Inheritance diagram for QPatternist::TokenRevealer:

Public Functions
virtual int	commenceScanOnly ()
virtual Token	nextToken (YYLTYPE *const sourceLocator)
virtual void	resumeTokenizationFrom (const int position)
virtual void	setParserContext (const ParserContext::Ptr &parseInfo)
	TokenRevealer (const QUrl &uri, const Tokenizer::Ptr &other)
virtual	~TokenRevealer ()
Public Functions inherited from QPatternist::Tokenizer
const QUrl &	queryURI () const
	Tokenizer (const QUrl &queryU)
Public Functions inherited from QPatternist::TokenSource
	TokenSource ()
virtual	~TokenSource ()
Public Functions inherited from QSharedData
	QSharedData ()
	Constructs a QSharedData object with a reference count of 0. More...
	QSharedData (const QSharedData &)
	Constructs a QSharedData object with reference count 0. More...

Properties
QString	m_indentationString
QString	m_result
const Tokenizer::Ptr	m_tokenizer

Additional Inherited Members
Public Types inherited from QPatternist::Tokenizer
typedef QExplicitlySharedDataPointer< Tokenizer >	Ptr
Public Types inherited from QPatternist::TokenSource
typedef QExplicitlySharedDataPointer< TokenSource >	Ptr
typedef QQueue< Ptr >	Queue
typedef yytokentype	TokenType
Public Variables inherited from QSharedData
QAtomicInt	ref
Static Protected Functions inherited from QPatternist::Tokenizer
static QString	tokenToString (const Token &token)

Detailed Description

Delegates another Tokenizer, and while doing so prints the tokens it delivers to stderr.

Hence, this class is used solely for debugging.

Since

4.5

Definition at line 72 of file qtokenrevealer_p.h.

Constructors and Destructors

TokenRevealer()

TokenRevealer::TokenRevealer	(	const QUrl &	uri,
		const Tokenizer::Ptr &	other
	)

Definition at line 48 of file qtokenrevealer.cpp.

                                                         : Tokenizer(uri)
                                                           , m_tokenizer(other)
{
    Q_ASSERT(other);
}

~TokenRevealer()

TokenRevealer::~TokenRevealer ( )

virtual

Definition at line 55 of file qtokenrevealer.cpp.

{
    qDebug() << "Tokens Revealed:" << m_result;
}

Functions

commenceScanOnly()

int TokenRevealer::commenceScanOnly ( )

virtual

Switches the Tokenizer to only do scanning, and returns complete strings for attribute value templates as opposed to the tokens for the contained expressions.

The current position in the stream is returned. It can be used to later resume regular tokenization.

Implements QPatternist::Tokenizer.

Definition at line 101 of file qtokenrevealer.cpp.

{
    return m_tokenizer->commenceScanOnly();
}

nextToken()

Tokenizer::Token TokenRevealer::nextToken ( YYLTYPE *const  sourceLocator )

virtual

Returns

the next token.

Implements QPatternist::TokenSource.

Definition at line 65 of file qtokenrevealer.cpp.

{
    const Token token(m_tokenizer->nextToken(sourceLocator));
    const QString asString(tokenToString(token));
    const TokenType type = token.type;

    /* Indent. */
    switch(type)
    {
        case CURLY_LBRACE:
        {
            m_result += QLatin1Char('\n') + m_indentationString + asString + QLatin1Char('\n');
            m_indentationString.append(QLatin1String("    "));
            m_result += m_indentationString;
            break;
        }
        case CURLY_RBRACE:
        {
            m_indentationString.chop(4);
            m_result += QLatin1Char('\n') + m_indentationString + asString;
            break;
        }
        case SEMI_COLON:
        /* Fallthrough. */
        case COMMA:
        {
            m_result += asString + QLatin1Char('\n') + m_indentationString;
            break;
        }
        default:
            m_result += asString + QLatin1Char(' ');
    }

    return token;
}

resumeTokenizationFrom()

void TokenRevealer::resumeTokenizationFrom ( const int  position )

virtual

Resumes regular parsing from position. The tokenizer must be in the scan-only state, which the commenceScanOnly() call transists to.

The tokenizer will return the token POSITION_SET once after this function has been called.

Implements QPatternist::Tokenizer.

Definition at line 106 of file qtokenrevealer.cpp.

{
    m_tokenizer->resumeTokenizationFrom(position);
}

setParserContext()

void TokenRevealer::setParserContext ( const ParserContext::Ptr &  parseInfo )

virtual

Implements QPatternist::Tokenizer.

Definition at line 60 of file qtokenrevealer.cpp.

{
    m_tokenizer->setParserContext(parseInfo);
}

Properties

m_indentationString

QString QPatternist::TokenRevealer::m_indentationString

private

Definition at line 88 of file qtokenrevealer_p.h.

Referenced by nextToken().

m_result

QString QPatternist::TokenRevealer::m_result

private

Definition at line 87 of file qtokenrevealer_p.h.

Referenced by nextToken(), and ~TokenRevealer().

m_tokenizer

const Tokenizer::Ptr QPatternist::TokenRevealer::m_tokenizer

private

Definition at line 86 of file qtokenrevealer_p.h.

Referenced by commenceScanOnly(), nextToken(), resumeTokenizationFrom(), and setParserContext().

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The documentation for this class was generated from the following files:

• /src/xmlpatterns/parser/qtokenrevealer_p.h
• /src/xmlpatterns/parser/qtokenrevealer.cpp