/******************************************************************************

 *

 * 

 *

 * Copyright (C) 1997-2008 by Dimitri van Heesch.

 *

 * Permission to use, copy, modify, and distribute this software and its

 * documentation under the terms of the GNU General Public License is hereby 

 * granted. No representations are made about the suitability of this software 

 * for any purpose. It is provided "as is" without express or implied warranty.

 * See the GNU General Public License for more details.

 *

 * Documents produced by Doxygen are derivative works derived from the

 * input used in their production; they are not affected by this license.

 *

 */

#ifndef DEFINITION_H

#define DEFINITION_H

#include "qtbc.h"

#include <qlist.h>

#include <qdict.h>

#include <sys/types.h>

#include "lockingptr.h"

class FileDef;

class OutputList;

class SectionDict;

class MemberSDict;

class MemberDef;

class GroupDef;

class GroupList;

struct ListItemInfo;

struct SectionInfo;

class Definition;

class DefinitionImpl;

#if 0

struct ReachableDefinition

{

  ReachableDefinition(Definition *d,int dist) : def(d), distance(dist) {}

  Definition *def;

  int distance;

};

#endif

struct DocInfo

{

    QCString doc;  

    int      line;

    QCString file;

};

struct BriefInfo

{

    QCString doc;  

    QCString tooltip;  

    int      line;

    QCString file;

};

struct BodyInfo

{

    int      startLine;   // line number of the start of the definition

    int      endLine;     // line number of the end of the definition

    FileDef *fileDef;     // file definition containing the function body

};

/*! Abstract interface for a Definition or DefinitionList */

class DefinitionIntf

{

  public:

    DefinitionIntf() {}

    virtual ~DefinitionIntf() {}

    /*! Types of derived classes */

    enum DefType 

    { 

      TypeClass      = 0, 

      TypeFile       = 1, 

      TypeNamespace  = 2, 

      TypeMember     = 3, 

      TypeGroup      = 4, 

      TypePackage    = 5, 

      TypePage       = 6, 

      TypeDir        = 7, 

      TypeSymbolList = 8

    };

    /*! Use this for dynamic inspection of the type of the derived class */

    virtual DefType definitionType() const = 0;

};

/*! The common base class of all entity definitions found in the sources. 

 *  This can be a class or a member function, or a file, or a namespace, etc.

 *  Use definitionType() to find which type of definition this is.

 */

class Definition : public DefinitionIntf, public LockableObj

{

  public:

    /*! Create a new definition */

    Definition(

        const char *defFileName,int defLine,

        const char *name,const char *b=0,const char *d=0,

        bool isSymbol=TRUE);

    /*! Destroys the definition */

    virtual ~Definition();

    //-----------------------------------------------------------------------------------

    // ----  getters -----

    //-----------------------------------------------------------------------------------

    /*! Returns the name of the definition */

    const QCString& name() const { return m_name; }

    /*! Returns the local name without any scope qualifiers. */

    QCString localName() const;

    /*! Returns the fully qualified name of this definition

     */

    virtual QCString qualifiedName() const;

    /*! Returns the name of this definition as it appears in the symbol map.

     */

    QCString symbolName() const;

    /*! Returns the base file name (without extension) of this definition.

     *  as it is referenced to/written to disk.

     */

    virtual QCString getOutputFileBase() const = 0;

    /*! Returns the name of the source listing of this file. */

    virtual QCString getSourceFileBase() const { ASSERT(0); return "NULL"; }

    /*! Returns the detailed description of this definition */

    QCString documentation() const;

    /*! Returns the line number at which the detailed documentation was found. */

    int docLine() const;

    /*! Returns the file in which the detailed documentation block was found. 

     *  This can differ from getDefFileName().

     */

    QCString docFile() const;

    /*! Returns the brief description of this definition. This can include commands. */

    QCString briefDescription() const;

    /*! Returns a plain text version of the brief description suitable for use

     *  as a tool tip. 

     */

    QCString briefDescriptionAsTooltip() const;

    /*! Returns the line number at which the brief description was found. */

    int briefLine() const;

    /*! Returns the documentation found inside the body of a member */

    QCString inbodyDocumentation() const;

    /*! Returns the file in which the in body documentation was found */

    QCString inbodyFile() const;

    /*! Returns the line at which the first in body documentation 

        part was found */

    int inbodyLine() const;

    /*! Returns the file in which the brief description was found. 

     *  This can differ from getDefFileName().

     */

    QCString briefFile() const;

    /*! returns the file in which this definition was found */

    QCString getDefFileName() const;

    /*! returns the extension of the file in which this definition was found */

    QCString getDefFileExtension() const;

    /*! returns the line number at which the definition was found */

    int getDefLine() const;

    /*! Returns TRUE iff the definition is documented 

     *  (which could be generated documentation) 

     *  @see hasUserDocumentation()

     */

    virtual bool hasDocumentation() const;

    /*! Returns TRUE iff the definition is documented by the user. */

    virtual bool hasUserDocumentation() const;

    /*! Returns TRUE iff it is possible to link to this item within this

     *  project. 

     */

    virtual bool isLinkableInProject() const = 0;

    /*! Returns TRUE iff it is possible to link to this item. This can

     *  be a link to another project imported via a tag file. 

     */

    virtual bool isLinkable() const = 0;

    /*! Returns TRUE iff the name is part of this project and 

     *  may appear in the output 

     */

    virtual bool isVisibleInProject() const;

    /*! Returns TRUE iff the name may appear in the output */

    virtual bool isVisible() const;

    /*! Returns TRUE iff this item is supposed to be hidden from the output. */

    bool isHidden() const;

    /*! returns TRUE if this entity was artificially introduced, for 

     *  instance because it is used to show a template instantiation relation. 

     */

    bool isArtificial() const;

    /*! If this definition was imported via a tag file, this function

     *  returns the tagfile for the external project. This can be

     *  translated into an external link target via 

     *  Doxygen::tagDestinationDict

     */

    virtual QCString getReference() const;

    /*! Returns TRUE if this definition is imported via a tag file. */

    virtual bool isReference() const;

    /*! Returns the first line of the body of this item (applicable to classes and 

     *  functions).

     */

    int getStartBodyLine() const;

    /*! Returns the last line of the body of this item (applicable to classes and 

     *  functions).

     */

    int getEndBodyLine() const;

    /*! Returns the file in which the body of this item is located or 0 if no

     *  body is available.

     */

    FileDef *getBodyDef();

    LockingPtr<GroupList> partOfGroups() const;

    LockingPtr< QList<ListItemInfo> > xrefListItems() const;

    virtual Definition *findInnerCompound(const char *name);

    virtual Definition *getOuterScope() const;

    LockingPtr<MemberSDict> getReferencesMembers() const;

    LockingPtr<MemberSDict> getReferencedByMembers() const;

    //-----------------------------------------------------------------------------------

    // ----  setters -----

    //-----------------------------------------------------------------------------------

    /*! Sets a new \a name for the definition */

    void setName(const char *name);

    /*! Sets the documentation of this definition to \a d. */

    void setDocumentation(const char *d,const char *docFile,int docLine,bool stripWhiteSpace=TRUE);

    /*! Sets the brief description of this definition to \a b.

     *  A dot is added to the sentence if not available.

     */

    void setBriefDescription(const char *b,const char *briefFile,int briefLine);

    /*! Set the documentation that was found inside the body of an item.

     *  If there was already some documentation set, the new documentation

     *  will be appended.

     */

    void setInbodyDocumentation(const char *d,const char *docFile,int docLine);

    /*! Sets the tag file id via which this definition was imported. */

    void setReference(const char *r);

    /*! Add the list of anchors that mark the sections that are found in the 

     * documentation.

     */

    void addSectionsToDefinition(QList<SectionInfo> *anchorList);

    // source references

    void setBodySegment(int bls,int ble);

    void setBodyDef(FileDef *fd);

    void addSourceReferencedBy(MemberDef *d);

    void addSourceReferences(MemberDef *d);

    void setRefItems(const QList<ListItemInfo> *sli);

    void mergeRefItems(Definition *d);

    virtual void addInnerCompound(Definition *d);

    virtual void setOuterScope(Definition *d);

    void setHidden(bool b);

    void setArtificial(bool b);

    //-----------------------------------------------------------------------------------

    // --- actions ----

    //-----------------------------------------------------------------------------------

    QCString convertNameToFile(const char *name,bool allowDots=FALSE) const;

    void writeSourceDef(OutputList &ol,const char *scopeName);

    void writeInlineCode(OutputList &ol,const char *scopeName);

    void writeSourceRefs(OutputList &ol,const char *scopeName);

    void writeSourceReffedBy(OutputList &ol,const char *scopeName);

    void makePartOfGroup(GroupDef *gd);

    void writePathFragment(OutputList &ol) const;

    void writeNavigationPath(OutputList &ol) const;

    virtual void writeQuickMemberLinks(OutputList &,MemberDef *) const {}

    /*! Writes the documentation anchors of the definition to 

     *  the Doxygen::tagFile stream.

     */

    void writeDocAnchorsToTagFile();

  protected:

    void setLocalName(const QCString name);

    virtual void flushToDisk() const;

    virtual void loadFromDisk() const;

    virtual void makeResident() const;

    void lock() const {}

    void unlock() const {}

  private: 

    static void addToMap(const char *name,Definition *d);

    static void removeFromMap(Definition *d);

    void _setSymbolName(const QCString &name);

    int  _getXRefListId(const char *listName) const;

    void _writeSourceRefList(OutputList &ol,const char *scopeName,

                       const QCString &text,MemberSDict *members,bool);

    void _setBriefDescription(const char *b,const char *briefFile,int briefLine);

    void _setDocumentation(const char *d,const char *docFile,int docLine,bool stripWhiteSpace,bool atTop);

    void _setInbodyDocumentation(const char *d,const char *docFile,int docLine);

    bool _docsAlreadyAdded(const QCString &doc);

    DefinitionImpl *m_impl; // internal structure holding all private data

    QCString m_name;

    bool m_isSymbol;

    QCString m_symbolName;

};

class DefinitionList : public QList<Definition>, public DefinitionIntf

{

  public:

    ~DefinitionList() {}

    DefType definitionType() const { return TypeSymbolList; }

    int compareItems(GCI item1,GCI item2)

    {

      return stricmp(((Definition *)item1)->name(),

                     ((Definition *)item2)->name()

                    );

    }

};

class DefinitionListIterator : public QListIterator<Definition>

{

  public:

    DefinitionListIterator(const DefinitionList &l) :

      QListIterator<Definition>(l) {}

    ~DefinitionListIterator() {}

};

#endif