cdl.hxx

移植到WLIT项目的redboot源代码

    // in an existing transaction and one which creates a new
    // one.
    //
    // Any operation that involves loading CDL data takes two
    // CdlDiagnosticFnPtr arguments, one for errors and one for
    // warnings. These should report the message to the user by
    // some suitable means. The error fnptr may throw a
    // CdlParseException to abort the current load immediately,
    // otherwise the load operation will be aborted at the end
    // if any errors were detected. New conflicts are not
    // handled by these diagnostic functions, instead they
    // are handled by the normal transaction methods.

    // A version argument of "" implies the most recent version.
    void load_package(std::string /* name */, std::string /* version */,
                      CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void load_package(CdlTransaction, std::string /* name */, std::string /* version */,
                      CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);

    void unload_package(std::string /* name */, bool /* limbo */ = true);
    void unload_package(CdlPackage, bool /* limbo */ = true);
    void unload_package(CdlTransaction, std::string /* name */, bool /* limbo */ = true);
    void unload_package(CdlTransaction, CdlPackage, bool /* limbo */ = true);
    
    void change_package_version(std::string /*name*/, std::string /*version*/,
                                CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void change_package_version(CdlPackage, std::string /*version*/, CdlDiagnosticFnPtr /* error */,
                                CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);

    void change_package_version(CdlTransaction, std::string /*name*/, std::string /*version*/,
                                CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void change_package_version(CdlTransaction, CdlPackage, std::string /*version*/, CdlDiagnosticFnPtr /* error */,
                                CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);

    // Loading a savefile is different in that it creates a new
    // toplevel. Since transactions can only be created if the
    // toplevel already exists, it is not possible to have a
    // per-transaction load() operation. It is possible to have
    // a per-transaction add() operation.
    static CdlConfiguration load(std::string /* filename */, CdlPackagesDatabase, CdlInterpreter,
                                 CdlDiagnosticFnPtr /* error */,  CdlDiagnosticFnPtr /* warn */);

    void add(std::string /* filename */,
             CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */);
    void add(CdlTransaction, std::string /* filename */,
             CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */);

    // As with packages, a version of "" implies the most recent.
    void set_template(std::string, std::string /* version */,
                      CdlDiagnosticFnPtr, CdlDiagnosticFnPtr /* warn */,bool /* limbo */ = true);
    void set_template_file(std::string,
                           CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void set_template(CdlTransaction, std::string, std::string /* version */,
                      CdlDiagnosticFnPtr, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void set_template_file(CdlTransaction, std::string,
                           CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void unload_template(bool /* limbo */ = true);
    void unload_template(CdlTransaction, bool /* limbo */ = true);
    std::string get_template() const;
    void        set_template_name(std::string); // Intended for library use only

    void set_hardware(std::string,
                      CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void set_hardware(CdlTransaction, std::string,
                      CdlDiagnosticFnPtr /* error */, CdlDiagnosticFnPtr /* warn */, bool /* limbo */ = true);
    void unload_hardware(bool /* limbo */ = true);
    void unload_hardware(CdlTransaction, bool /* limbo */ = true);
    std::string get_hardware() const;
    void        set_hardware_name(std::string); // Intended for library use only
    
    // ----------------------------------------------------------------------------
    // Save a configuration to a file
    void        save(std::string, bool /* minimal */ = false);
    void        initialize_savefile_support();
    std::string get_save_file() const;

    // ----------------------------------------------------------------------------
    // Get rid of a configuration.
    ~CdlConfigurationBody();

    virtual std::string         get_class_name() const;
    bool                        check_this(cyg_assert_class_zeal = cyg_quick) const;
    CYGDBG_DECLARE_MEMLEAK_COUNTER();
    
  private:

    // The only legal constructor, invoked from make() and load()
    CdlConfigurationBody(std::string, CdlPackagesDatabase, CdlInterpreter);

    // The internal implementation of the persistence support
    virtual void                save(CdlInterpreter, Tcl_Channel, int, bool);
    static int                  savefile_configuration_command(CdlInterpreter, int, char**);
    static int                  savefile_description_command(CdlInterpreter, int, char**);
    static int                  savefile_hardware_command(CdlInterpreter, int, char**);
    static int                  savefile_template_command(CdlInterpreter, int, char**);
    static int                  savefile_package_command(CdlInterpreter, int, char**);
    
    std::string                 current_hardware;
    std::string                 current_template;
    std::string                 description;
    CdlPackagesDatabase         database;
    std::string                 save_file;
    enum {
        CdlConfigurationBody_Invalid    = 0,
        CdlConfigurationBody_Magic      = 0x5c409a3d
    } cdlconfigurationbody_cookie;

    // The constructor can only be invoked via the make() and load()
    // members. Other constructors and the assignment operator are
    // illegal.
    CdlConfigurationBody();
    CdlConfigurationBody(const CdlConfigurationBody&);
    CdlConfigurationBody& operator=(const CdlConfigurationBody&);
    
};

//}}}
//{{{  CdlPackage class                         

// ----------------------------------------------------------------------------
// Packages inherit from most of the base classes.

class CdlPackageBody : public virtual CdlNodeBody,
                       public virtual CdlContainerBody,
                       public virtual CdlUserVisibleBody,
                       public virtual CdlValuableBody,
                       public virtual CdlParentableBody,
                       public virtual CdlBuildableBody,
                       public virtual CdlDefinableBody,
                       public virtual CdlLoadableBody,
                       public virtual CdlBuildLoadableBody,
                       public virtual CdlDefineLoadableBody
{                       
    friend class CdlTest;

    // Packages should not be created by application code, but
    // the CdlConfiguration class must be able to do so inside
    // load_package();
    friend class CdlConfigurationBody;
    
  public:

    ~CdlPackageBody();
    
    static int          parse_package(CdlInterpreter, int, char**);
    static int          parse_hardware(CdlInterpreter, int, char**);
    static int          parse_install_proc(CdlInterpreter, int, char**);
    static int          parse_license_proc(CdlInterpreter, int, char**);

    // Override the CdlDefineLoadable member. Hardware packages always
    // send their configuration options to hardware.h
    virtual std::string get_config_header() const;
    
    bool                is_hardware_package() const;
    bool                has_install_proc() const;
    const cdl_tcl_code& get_install_proc() const;
    bool                has_license_proc() const;
    const cdl_tcl_code& get_license_proc() const;

    // Propagation support. Because of multiple virtual inheritance
    // it is necessary to invoke the container and valuable
    // update members.
    virtual void update(CdlTransaction, CdlUpdate);
    
    // Persistence support.
    virtual void        save(CdlInterpreter, Tcl_Channel, int, bool);
    static void         initialize_savefile_support(CdlToplevel);
    static int          savefile_package_command(CdlInterpreter, int, char**);

    // Was this package loaded because of a template or hardware setting?
    bool                belongs_to_template() const;
    bool                belongs_to_hardware() const;
    
    virtual std::string get_class_name() const;
    bool                check_this(cyg_assert_class_zeal = cyg_quick) const;
    CYGDBG_DECLARE_MEMLEAK_COUNTER();
    
  private:

    // The only valid constructor requires a number of fields
    CdlPackageBody(std::string /* name */, CdlConfiguration, std::string /* directory */);

    // Other constructors are illegal
    CdlPackageBody();
    CdlPackageBody(const CdlPackageBody&);
    CdlPackageBody& operator=(const CdlPackageBody&);

    bool loaded_for_template;
    bool loaded_for_hardware;
    
    enum {
        CdlPackageBody_Invalid  = 0,
        CdlPackageBody_Magic    = 0x1d7c0d43
    } cdlpackagebody_cookie;
};

//}}}
//{{{  CdlComponent class                       

// ----------------------------------------------------------------------------
// Similarly components just inherit from the appropriate base classes.

class CdlComponentBody : public virtual CdlNodeBody,
                         public virtual CdlContainerBody,
                         public virtual CdlUserVisibleBody,
                         public virtual CdlValuableBody,
                         public virtual CdlParentableBody,
                         public virtual CdlBuildableBody,
                         public virtual CdlDefinableBody
{
    friend class CdlTest;

  public:

    ~CdlComponentBody();
    static int          parse_component(CdlInterpreter, int, char**);
    static int          parse_script(CdlInterpreter, int, char**);

    // Propagation support. Because of multiple virtual inheritance
    // it is necessary to invoke the container and valuable
    // update members.
    virtual void update(CdlTransaction, CdlUpdate);
    
    // Persistence support.
    virtual void        save(CdlInterpreter, Tcl_Channel, int, bool);
    static void         initialize_savefile_support(CdlToplevel);
    static int          savefile_component_command(CdlInterpreter, int, char**);
    
    virtual std::string get_class_name() const;
    bool                check_this(cyg_assert_class_zeal = cyg_quick) const;
    CYGDBG_DECLARE_MEMLEAK_COUNTER();
    
  private:

    // The only valid constructor requires a name.
    CdlComponentBody(std::string);
    
    enum {
        CdlComponentBody_Invalid  = 0,
        CdlComponentBody_Magic    = 0x6359d9a7
    } cdlcomponentbody_cookie;
    
    // Other constructors are illegal
    CdlComponentBody();
    CdlComponentBody(const CdlComponentBody&);
    CdlComponentBody& operator=(const CdlComponentBody&);
};

//}}}
//{{{  CdlOption class                          

// ----------------------------------------------------------------------------
// Again options just inherit their functionality from the base classes.

class CdlOptionBody : public virtual CdlNodeBody,
                      public virtual CdlUserVisibleBody,
                      public virtual CdlValuableBody,
                      public virtual CdlParentableBody,
                      public virtual CdlBuildableBody,
                      public virtual CdlDefinableBody
{
    friend class CdlTest;
    
  public:
    ~CdlOptionBody();
    
    static int          parse_option(CdlInterpreter, int, char**);
    
    // Persistence support.
    virtual void        save(CdlInterpreter, Tcl_Channel, int, bool);
    static void         initialize_savefile_support(CdlToplevel);
    static int          savefile_option_command(CdlInterpreter, int, char**);
    
    virtual std::string get_class_name() const;
    bool                check_this(cyg_assert_class_zeal = cyg_quick) const;
    CYGDBG_DECLARE_MEMLEAK_COUNTER();

  private:
    CdlOptionBody(std::string);

    enum {
        CdlOptionBody_Invalid   = 0,
        CdlOptionBody_Magic     = 0x1c1162d1
    } cdloptionbody_cookie;
    
    CdlOptionBody();
    CdlOptionBody(const CdlOptionBody&);
    CdlOptionBody& operator=(const CdlOptionBody&);
};

//}}}

#endif  /* !__CDL_HXX */
// EOF cdl.hxx