include/wx/msdos/mimetype.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/mimetype.h
   3 // Purpose:     classes and functions to manage MIME types
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     23.09.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence (part of wxExtra library)
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _MIMETYPE_IMPL_H
  13 #define _MIMETYPE_IMPL_H
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "mimetype.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/mimetype.h"
  21
  22
  23 class wxMimeTypesManagerImpl
  24 {
  25 public :
  26     wxMimeTypesManagerImpl() { }
  27
  28     // load all data into memory - done when it is needed for the first time
  29     void Initialize(int mailcapStyles = wxMAILCAP_STANDARD,
  30                     const wxString& extraDir = wxEmptyString);
  31
  32     // and delete the data here
  33     void ClearData();
  34
  35     // implement containing class functions
  36     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  37     wxFileType *GetOrAllocateFileTypeFromExtension(const wxString& ext) ;
  38     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
  39
  40     size_t EnumAllFileTypes(wxArrayString& mimetypes);
  41
  42     // this are NOPs under MacOS
  43     bool ReadMailcap(const wxString& WXUNUSED(filename), bool WXUNUSED(fallback) = TRUE) { return TRUE; }
  44     bool ReadMimeTypes(const wxString& WXUNUSED(filename)) { return TRUE; }
  45
  46     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
  47
  48     // create a new filetype association
  49     wxFileType *Associate(const wxFileTypeInfo& ftInfo);
  50     // remove association
  51     bool Unassociate(wxFileType *ft);
  52
  53     // create a new filetype with the given name and extension
  54     wxFileType *CreateFileType(const wxString& filetype, const wxString& ext);
  55
  56 private:
  57     wxArrayFileTypeInfo m_fallbacks;
  58 };
  59
  60 class wxFileTypeImpl
  61 {
  62 public:
  63     // initialization functions
  64     // this is used to construct a list of mimetypes which match;
  65     // if built with GetFileTypeFromMimetype index 0 has the exact match and
  66     // index 1 the type / * match
  67     // if built with GetFileTypeFromExtension, index 0 has the mimetype for
  68     // the first extension found, index 1 for the second and so on
  69
  70     void Init(wxMimeTypesManagerImpl *manager, size_t index)
  71     { m_manager = manager; m_index.Add(index); }
  72
  73     // initialize us with our file type name
  74     void SetFileType(const wxString& strFileType)
  75         { m_strFileType = strFileType; }
  76     void SetExt(const wxString& ext)
  77         { m_ext = ext; }
  78
  79     // implement accessor functions
  80     bool GetExtensions(wxArrayString& extensions);
  81     bool GetMimeType(wxString *mimeType) const;
  82     bool GetMimeTypes(wxArrayString& mimeTypes) const;
  83     bool GetIcon(wxIconLocation *iconLoc) const;
  84     bool GetDescription(wxString *desc) const;
  85     bool GetOpenCommand(wxString *openCmd,
  86                         const wxFileType::MessageParameters&) const
  87         { return GetCommand(openCmd, "open"); }
  88     bool GetPrintCommand(wxString *printCmd,
  89                          const wxFileType::MessageParameters&) const
  90         { return GetCommand(printCmd, "print"); }
  91
  92     size_t GetAllCommands(wxArrayString * verbs, wxArrayString * commands,
  93                           const wxFileType::MessageParameters& params) const;
  94
  95     // remove the record for this file type
  96     // probably a mistake to come here, use wxMimeTypesManager.Unassociate (ft) instead
  97     bool Unassociate(wxFileType *ft)
  98     {
  99         return m_manager->Unassociate(ft);
 100     }
 101
 102     // set an arbitrary command, ask confirmation if it already exists and
 103     // overwriteprompt is TRUE
 104     bool SetCommand(const wxString& cmd, const wxString& verb, bool overwriteprompt = TRUE);
 105     bool SetDefaultIcon(const wxString& strIcon = wxEmptyString, int index = 0);
 106
 107  private:
 108     // helper function
 109     bool GetCommand(wxString *command, const char *verb) const;
 110
 111     wxMimeTypesManagerImpl *m_manager;
 112     wxArrayInt              m_index; // in the wxMimeTypesManagerImpl arrays
 113     wxString m_strFileType, m_ext;
 114 };
 115
 116 #endif
 117   //_MIMETYPE_H
 118
 119 /* vi: set cin tw=80 ts=4 sw=4: */