dirdef.h

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/******************************************************************************
 *
 * Copyright (C) 1997-2020 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 DIRDEF_H
#define DIRDEF_H
 
 
#include <vector>
#include <map>
 
#include "qcstring.h"
#include "linkedmap.h"
#include "definition.h"
 
class FileList;
class FileDef;
class OutputList;
class UsedDir;
class FilePair;
class FilePairDict;
class DirDef;
class DirList;
 
bool compareDirDefs(const DirDef *item1, const DirDef *item2);
 
// ------------------
 
/** Class representing a pair of FileDef objects */
class FilePair
{
  public:
    FilePair(const FileDef *src,const FileDef *dst) : m_src(src), m_dst(dst) {}
    const FileDef *source() const { return m_src; }
    const FileDef *destination() const { return m_dst; }
    static QCString key(const FileDef *srcFd,const FileDef *dstFd);
  private:
    const FileDef *m_src;
    const FileDef *m_dst;
};
 
// ------------------
 
/** A linked map of file pairs */
class FilePairLinkedMap : public LinkedMap<FilePair>
{
};
 
// ------------------
 
/** Usage information of a directory. */
class UsedDir
{
  public:
    UsedDir(const DirDef *dir);
    virtual ~UsedDir();
 
    /**
     * Take up dependency between files.
     * @param[in] srcFd dependent file which depends on dstFd
     * @param[in] dstFd dependee file on which srcFd depends on
     * @param[in] srcDirect true iff the source dependency was the direct (not inherited from a sub dir)
     * @param[in] dstDirect true iff the destination dependency was direct (not inherited from a sub dir)
     */
    void addFileDep(const FileDef *srcFd,const FileDef *dstFd, bool srcDirect, bool dstDirect);
    FilePair *findFilePair(const QCString &name);
    const FilePairLinkedMap &filePairs() const { return m_filePairs; }
    const DirDef *dir() const { return m_dir; }
 
    /** Returns true iff any of the dependencies between source and destination files are
     *  direct (i.e. not "inherited" from sub directories)
     */
    bool hasDirectDeps() const { return m_hasDirectDeps; }
 
    /** Returns true iff any of the dependencies from the source file to the destination file are
     *  directly coming from a file in the source directory (i.e. not inherited via sub directories)
     */
    bool hasDirectSrcDeps() const { return m_hasDirectSrcDeps; }
 
    /** Returns true iff any of the dependencies from the source file to the destination file are
     *  directly targeting a file in the destination directory (i.e. not inherited via sub directories)
     */
    bool hasDirectDstDeps() const { return m_hasDirectDstDeps; }
 
    void sort();
 
  private:
    const DirDef *m_dir;
    FilePairLinkedMap m_filePairs;
 
    bool m_hasDirectDeps    = false;
    bool m_hasDirectSrcDeps = false;
    bool m_hasDirectDstDeps = false;
};
 
// ------------------
 
/** A model of a directory symbol. */
class DirDef : public DefinitionMutable, public Definition
{
  public:
    virtual ~DirDef() {}
 
    class UsedDirLinkedMap : public LinkedMap<UsedDir> {};
 
    // accessors
    virtual DefType definitionType() const = 0;
    virtual QCString getOutputFileBase() const = 0;
    virtual QCString anchor() const = 0;
    virtual bool isLinkableInProject() const = 0;
    virtual bool isLinkable() const = 0;
    virtual QCString displayName(bool=TRUE) const = 0;
    virtual const QCString shortName() const = 0;
    virtual void addSubDir(DirDef *subdir) = 0;
    virtual const FileList &getFiles() const = 0;
    virtual void addFile(const FileDef *fd) = 0;
    virtual const DirList &subDirs() const = 0;
    virtual bool hasSubdirs() const = 0;
    virtual int level() const = 0;
    virtual DirDef *parent() const = 0;
    virtual int dirCount() const = 0;
    virtual const UsedDirLinkedMap &usedDirs() const = 0;
    virtual bool isParentOf(const DirDef *dir) const = 0;
    virtual bool depGraphIsTrivial() const = 0;
    virtual QCString shortTitle() const = 0;
    virtual bool hasDetailedDescription() const = 0;
 
    // generate output
    virtual void writeDocumentation(OutputList &ol) = 0;
    virtual void writeTagFile(TextStream &t) = 0;
 
    virtual void setDiskName(const QCString &name) = 0;
    virtual void setDirCount(int count) = 0;
    virtual void sort() = 0;
    virtual void setParent(DirDef *parent) = 0;
    virtual void setLevel() = 0;
    virtual void addUsesDependency(const DirDef *usedDir,const FileDef *srcFd,
                                   const FileDef *dstFd,bool srcDirect, bool dstDirect) = 0;
    virtual void computeDependencies() = 0;
};
 
// --- Cast functions
 
DirDef            *toDirDef(Definition *d);
const DirDef      *toDirDef(const Definition *d);
 
/** A usage relation between two directories. */
class DirRelation
{
  public:
    DirRelation(const QCString &name,const DirDef *src,UsedDir *dst)
      : m_name(name), m_src(src), m_dst(dst) {}
    const DirDef  *source() const      { return m_src; }
    UsedDir *destination() const { return m_dst; }
    void writeDocumentation(OutputList &ol);
    QCString getOutputFileBase() const { return m_name; }
 
  private:
    QCString m_name;
    const DirDef  *m_src;
    UsedDir *m_dst;
};
 
/** A linked map of directories */
class DirLinkedMap : public LinkedMap<DirDef>
{
};
 
/** A list of directories. */
class DirList : public std::vector<const DirDef*>
{
};
 
class DirRelationLinkedMap : public LinkedMap<DirRelation>
{
};
 
// ------------------
 
void buildDirectories();
void generateDirDocs(OutputList &ol);
void computeDirDependencies();
 
#endif