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-- Contact: Nokia Corporation (qt-info@nokia.com)

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-- contained in the Technology Preview License Agreement accompanying

-- this package.

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-- Foundation and appearing in the file LICENSE.LGPL included in the

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----------------------------------------------------------------------------

%parser QXmlStreamReader_Table

%merged_output qxmlstream_p.h

%token NOTOKEN

%token SPACE " "

%token LANGLE "<"

%token RANGLE ">"

%token AMPERSAND "&"

%token HASH "#"

%token QUOTE "\'"

%token DBLQUOTE "\""

%token LBRACK "["

%token RBRACK "]"

%token LPAREN "("

%token RPAREN ")"

%token PIPE "|"

%token EQ "="

%token PERCENT "%"

%token SLASH "/"

%token COLON ":"

%token SEMICOLON ";"

%token COMMA ","

%token DASH "-"

%token PLUS "+"

%token STAR "*"

%token DOT "."

%token QUESTIONMARK "?"

%token BANG "!"

%token LETTER "[a-zA-Z]"

%token DIGIT "[0-9]"

-- after langle_bang

%token CDATA_START "[CDATA["

%token DOCTYPE "DOCTYPE"

%token ELEMENT "ELEMENT"

%token ATTLIST "ATTLIST"

%token ENTITY "ENTITY"

%token NOTATION "NOTATION"

-- entity decl

%token SYSTEM "SYSTEM"

%token PUBLIC "PUBLIC"

%token NDATA "NDATA"

-- default decl

%token REQUIRED "REQUIRED"

%token IMPLIED "IMPLIED"

%token FIXED "FIXED"

-- conent spec

%token EMPTY "EMPTY"

%token ANY "ANY"

%token PCDATA "PCDATA"

-- error

%token ERROR

-- entities

%token PARSE_ENTITY

%token ENTITY_DONE

%token UNRESOLVED_ENTITY

-- att type

%token CDATA "CDATA"

%token ID "ID"

%token IDREF "IDREF"

%token IDREFS "IDREFS"

%token ENTITY "ENTITY"

%token ENTITIES "ENTITIES"

%token NMTOKEN "NMTOKEN"

%token NMTOKENS "NMTOKENS"

-- xml declaration

%token XML "<?xml"

%token VERSION "version"

%nonassoc SHIFT_THERE

%nonassoc AMPERSAND

          BANG

          COLON

          COMMA

          DASH

          DBLQUOTE

          DIGIT

          DOT

          ENTITY_DONE

          EQ

          HASH

          LBRACK

          LETTER

          LPAREN

          PERCENT

          PIPE

          PLUS

          QUESTIONMARK

          QUOTE

          RANGLE

          RBRACK

          RPAREN

          SEMICOLON

          SLASH

          SPACE

          STAR

%start document

/.

template <typename T> class QXmlStreamSimpleStack {

    T *data;

    int tos, cap;

public:

    inline QXmlStreamSimpleStack():data(0), tos(-1), cap(0){}

    inline ~QXmlStreamSimpleStack(){ if (data) qFree(data); }

    inline void reserve(int extraCapacity) {

        if (tos + extraCapacity + 1 > cap) {

            cap = qMax(tos + extraCapacity + 1, cap << 1 );

            data = reinterpret_cast<T *>(qRealloc(data, cap * sizeof(T)));

        }

    }

    inline T &push() { reserve(1); return data[++tos]; }

    inline T &rawPush() { return data[++tos]; }

    inline const T &top() const { return data[tos]; }

    inline T &top() { return data[tos]; }

    inline T &pop() { return data[tos--]; }

    inline T &operator[](int index) { return data[index]; }

    inline const T &at(int index) const { return data[index]; }

    inline int size() const { return tos + 1; }

    inline void resize(int s) { tos = s - 1; }

    inline bool isEmpty() const { return tos < 0; }

    inline void clear() { tos = -1; }

};

class QXmlStream

{

    Q_DECLARE_TR_FUNCTIONS(QXmlStream)

};

class QXmlStreamPrivateTagStack {

public:

    struct NamespaceDeclaration

    {

        QStringRef prefix;

        QStringRef namespaceUri;

    };

    struct Tag

    {

        QStringRef name;

        QStringRef qualifiedName;

        NamespaceDeclaration namespaceDeclaration;

        int tagStackStringStorageSize;

        int namespaceDeclarationsSize;

    };

    QXmlStreamPrivateTagStack();

    QXmlStreamSimpleStack<NamespaceDeclaration> namespaceDeclarations;

    QString tagStackStringStorage;

    int tagStackStringStorageSize;

    bool tagsDone;

    inline QStringRef addToStringStorage(const QStringRef &s) {

        int pos = tagStackStringStorageSize;

	int sz = s.size();

	if (pos != tagStackStringStorage.size())

	    tagStackStringStorage.resize(pos);

        tagStackStringStorage.insert(pos, s.unicode(), sz);

        tagStackStringStorageSize += sz;

        return QStringRef(&tagStackStringStorage, pos, sz);

    }

    inline QStringRef addToStringStorage(const QString &s) {

        int pos = tagStackStringStorageSize;

	int sz = s.size();

	if (pos != tagStackStringStorage.size())

	    tagStackStringStorage.resize(pos);

        tagStackStringStorage.insert(pos, s.unicode(), sz);

        tagStackStringStorageSize += sz;

        return QStringRef(&tagStackStringStorage, pos, sz);

    }

    QXmlStreamSimpleStack<Tag> tagStack;

    inline Tag &tagStack_pop() {

        Tag& tag = tagStack.pop();

        tagStackStringStorageSize = tag.tagStackStringStorageSize;

        namespaceDeclarations.resize(tag.namespaceDeclarationsSize);

        tagsDone = tagStack.isEmpty();

        return tag;

    }

    inline Tag &tagStack_push() {

        Tag &tag = tagStack.push();

        tag.tagStackStringStorageSize = tagStackStringStorageSize;

        tag.namespaceDeclarationsSize = namespaceDeclarations.size();

        return tag;

    }

};

class QXmlStreamEntityResolver;

class QXmlStreamReaderPrivate : public QXmlStreamReader_Table, public QXmlStreamPrivateTagStack{

    QXmlStreamReader *q_ptr;

    Q_DECLARE_PUBLIC(QXmlStreamReader)

public:

    QXmlStreamReaderPrivate(QXmlStreamReader *q);

    ~QXmlStreamReaderPrivate();

    void init();

    QByteArray rawReadBuffer;

    QByteArray dataBuffer;

    uchar firstByte;

    qint64 nbytesread;

    QString readBuffer;

    int readBufferPos;

    QXmlStreamSimpleStack<uint> putStack;

    struct Entity {

        Entity(const QString& str = QString())

            :value(str), external(false), unparsed(false), literal(false),

             hasBeenParsed(false), isCurrentlyReferenced(false){}

        static inline Entity createLiteral(const QString &entity)

            { Entity result(entity); result.literal = result.hasBeenParsed = true; return result; }

        QString value;

        uint external : 1;

        uint unparsed : 1;

        uint literal : 1;

        uint hasBeenParsed : 1;

        uint isCurrentlyReferenced : 1;

    };

    QHash<QString, Entity> entityHash;

    QHash<QString, Entity> parameterEntityHash;

    QXmlStreamSimpleStack<Entity *>entityReferenceStack;

    inline bool referenceEntity(Entity &entity) {

        if (entity.isCurrentlyReferenced) {

            raiseWellFormedError(QXmlStream::tr("Recursive entity detected."));

            return false;

        }

        entity.isCurrentlyReferenced = true;

        entityReferenceStack.push() = &entity;

        injectToken(ENTITY_DONE);

        return true;

    }

    QIODevice *device;

    bool deleteDevice;

#ifndef QT_NO_TEXTCODEC

    QTextCodec *codec;

    QTextDecoder *decoder;

#endif

    bool atEnd;

    /*!

      \sa setType()

     */

    QXmlStreamReader::TokenType type;

    QXmlStreamReader::Error error;

    QString errorString;

    QString unresolvedEntity;

    qint64 lineNumber, lastLineStart, characterOffset;

    void write(const QString &);

    void write(const char *);

    QXmlStreamAttributes attributes;

    QStringRef namespaceForPrefix(const QStringRef &prefix);

    void resolveTag();

    void resolvePublicNamespaces();

    void resolveDtd();

    uint resolveCharRef(int symbolIndex);

    bool checkStartDocument();

    void startDocument();

    void parseError();

    void checkPublicLiteral(const QStringRef &publicId);

    bool scanDtd;

    QStringRef lastAttributeValue;

    bool lastAttributeIsCData;

    struct DtdAttribute {

        QStringRef tagName;

        QStringRef attributeQualifiedName;

        QStringRef attributePrefix;

        QStringRef attributeName;

        QStringRef defaultValue;

        bool isCDATA;

        bool isNamespaceAttribute;

    };

    QXmlStreamSimpleStack<DtdAttribute> dtdAttributes;

    struct NotationDeclaration {

        QStringRef name;

        QStringRef publicId;

        QStringRef systemId;

    };

    QXmlStreamSimpleStack<NotationDeclaration> notationDeclarations;

    QXmlStreamNotationDeclarations publicNotationDeclarations;

    QXmlStreamNamespaceDeclarations publicNamespaceDeclarations;

    struct EntityDeclaration {

        QStringRef name;

        QStringRef notationName;

        QStringRef publicId;

        QStringRef systemId;

        QStringRef value;

        bool parameter;

        bool external;

        inline void clear() {

            name.clear();

            notationName.clear();

            publicId.clear();

            systemId.clear();

            value.clear();

            parameter = external = false;

        }

    };

    QXmlStreamSimpleStack<EntityDeclaration> entityDeclarations;

    QXmlStreamEntityDeclarations publicEntityDeclarations;

    QStringRef text;

    QStringRef prefix, namespaceUri, qualifiedName, name;

    QStringRef processingInstructionTarget, processingInstructionData;

    QStringRef dtdName, dtdPublicId, dtdSystemId;

    QStringRef documentVersion, documentEncoding;

    uint isEmptyElement : 1;

    uint isWhitespace : 1;

    uint isCDATA : 1;

    uint standalone : 1;

    uint hasCheckedStartDocument : 1;

    uint normalizeLiterals : 1;

    uint hasSeenTag : 1;

    uint inParseEntity : 1;

    uint referenceToUnparsedEntityDetected : 1;

    uint referenceToParameterEntityDetected : 1;

    uint hasExternalDtdSubset : 1;

    uint lockEncoding : 1;

    uint namespaceProcessing : 1;

    int resumeReduction;

    void resume(int rule);

    inline bool entitiesMustBeDeclared() const {

        return (!inParseEntity

                && (standalone

                    || (!referenceToUnparsedEntityDetected

                        && !referenceToParameterEntityDetected // Errata 13 as of 2006-04-25

                        && !hasExternalDtdSubset)));

    }

    // qlalr parser

    int tos;

    int stack_size;

    struct Value {

        int pos;

        int len;

        int prefix;

        ushort c;

    };

    Value *sym_stack;

    int *state_stack;

    inline void reallocateStack();

    inline Value &sym(int index) const

    { return sym_stack[tos + index - 1]; }

    QString textBuffer;

    inline void clearTextBuffer() {

        if (!scanDtd) {

            textBuffer.resize(0);

            textBuffer.reserve(256);

        }

    }

    struct Attribute {

        Value key;

        Value value;

    };

    QXmlStreamSimpleStack<Attribute> attributeStack;

    inline QStringRef symString(int index) {

        const Value &symbol = sym(index);

        return QStringRef(&textBuffer, symbol.pos + symbol.prefix, symbol.len - symbol.prefix);

    }

    inline QStringRef symName(int index) {

        const Value &symbol = sym(index);

        return QStringRef(&textBuffer, symbol.pos, symbol.len);

    }

    inline QStringRef symString(int index, int offset) {

        const Value &symbol = sym(index);

        return QStringRef(&textBuffer, symbol.pos + symbol.prefix + offset, symbol.len - symbol.prefix -  offset);

    }

    inline QStringRef symPrefix(int index) {

        const Value &symbol = sym(index);

        if (symbol.prefix)

            return QStringRef(&textBuffer, symbol.pos, symbol.prefix - 1);

        return QStringRef();

    }

    inline QStringRef symString(const Value &symbol) {

        return QStringRef(&textBuffer, symbol.pos + symbol.prefix, symbol.len - symbol.prefix);

    }

    inline QStringRef symName(const Value &symbol) {

        return QStringRef(&textBuffer, symbol.pos, symbol.len);

    }

    inline QStringRef symPrefix(const Value &symbol) {

        if (symbol.prefix)

            return QStringRef(&textBuffer, symbol.pos, symbol.prefix - 1);

        return QStringRef();

    }

    inline void clearSym() { Value &val = sym(1); val.pos = textBuffer.size(); val.len = 0; }

    short token;

    ushort token_char;

    uint filterCarriageReturn();

    inline uint getChar();

    inline uint peekChar();

    inline void putChar(uint c) { putStack.push() = c; }

    inline void putChar(QChar c) { putStack.push() =  c.unicode(); }

    void putString(const QString &s, int from = 0);

    void putStringLiteral(const QString &s);

    void putReplacement(const QString &s);

    void putReplacementInAttributeValue(const QString &s);

    ushort getChar_helper();

    bool scanUntil(const char *str, short tokenToInject = -1);

    bool scanString(const char *str, short tokenToInject, bool requireSpace = true);

    inline void injectToken(ushort tokenToInject) {

        putChar(int(tokenToInject) << 16);

    }

    QString resolveUndeclaredEntity(const QString &name);

    void parseEntity(const QString &value);

    QXmlStreamReaderPrivate *entityParser;

    bool scanAfterLangleBang();

    bool scanPublicOrSystem();

    bool scanNData();

    bool scanAfterDefaultDecl();

    bool scanAttType();

    // scan optimization functions. Not strictly necessary but LALR is

    // not very well suited for scanning fast

    int fastScanLiteralContent();

    int fastScanSpace();

    int fastScanContentCharList();

    int fastScanName(int *prefix = 0);

    inline int fastScanNMTOKEN();

    bool parse();

    inline void consumeRule(int);

    void raiseError(QXmlStreamReader::Error error, const QString& message = QString());

    void raiseWellFormedError(const QString &message);

    QXmlStreamEntityResolver *entityResolver;

private:

    /*! \internal

       Never assign to variable type directly. Instead use this function.

       This prevents errors from being ignored.

     */

    inline void setType(const QXmlStreamReader::TokenType t)

    {

        if(type != QXmlStreamReader::Invalid)

            type = t;

    }

};

bool QXmlStreamReaderPrivate::parse()

{

    // cleanup currently reported token

    switch (type) {

    case QXmlStreamReader::StartElement:

        name.clear();

        prefix.clear();

	qualifiedName.clear();

        namespaceUri.clear();