X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c7ce8392e0fa752d121000b7732c8f4ac3e3088d..ef094fa075bc56bcbc33b12159c395ea28afda3b:/include/wx/mimetype.h diff --git a/include/wx/mimetype.h b/include/wx/mimetype.h index 28a529ddda..b8aefeb5ec 100644 --- a/include/wx/mimetype.h +++ b/include/wx/mimetype.h @@ -7,38 +7,161 @@ // Created: 23.09.98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license (part of wxExtra library) +// Licence: wxWindows licence (part of wxExtra library) ///////////////////////////////////////////////////////////////////////////// -#ifndef _MIMETYPE_H -#define _MIMETYPE_H - -#ifdef __GNUG__ -#pragma interface "mimetypebase.h" -#endif +#ifndef _WX_MIMETYPE_H_ +#define _WX_MIMETYPE_H_ +#if defined(__GNUG__) && !defined(__APPLE__) + #pragma interface "mimetypebase.h" +#endif // __GNUG__ -// fwd decls -class wxIcon; -class wxFileTypeImpl; -class wxMimeTypesManagerImpl; +// ---------------------------------------------------------------------------- +// headers and such +// ---------------------------------------------------------------------------- #include "wx/defs.h" -#if wxUSE_FILE +#if wxUSE_MIMETYPE // the things we really need #include "wx/string.h" #include "wx/dynarray.h" -class wxMimeTypeCmnModule; +// fwd decls +class WXDLLEXPORT wxIcon; +class WXDLLEXPORT wxFileTypeImpl; +class WXDLLEXPORT wxMimeTypesManagerImpl; + +// these constants define the MIME informations source under UNIX and are used +// by wxMimeTypesManager::Initialize() +enum wxMailcapStyle +{ + wxMAILCAP_STANDARD = 1, + wxMAILCAP_NETSCAPE = 2, + wxMAILCAP_KDE = 4, + wxMAILCAP_GNOME = 8, + + wxMAILCAP_ALL = 15 +}; + +/* + TODO: would it be more convenient to have this class? + +class WXDLLEXPORT wxMimeType : public wxString +{ +public: + // all string ctors here + + wxString GetType() const { return BeforeFirst(_T('/')); } + wxString GetSubType() const { return AfterFirst(_T('/')); } + + void SetSubType(const wxString& subtype) + { + *this = GetType() + _T('/') + subtype; + } + + bool Matches(const wxMimeType& wildcard) + { + // implement using wxMimeTypesManager::IsOfType() + } +}; + +*/ + +// ---------------------------------------------------------------------------- +// wxFileTypeInfo: static container of information accessed via wxFileType. +// +// This class is used with wxMimeTypesManager::AddFallbacks() and Associate() +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxFileTypeInfo +{ +public: + // ctors + // a normal item + wxFileTypeInfo(const wxChar *mimeType, + const wxChar *openCmd, + const wxChar *printCmd, + const wxChar *desc, + // the other parameters form a NULL terminated list of + // extensions + ...); + + // the array elements correspond to the parameters of the ctor above in + // the same order + wxFileTypeInfo(const wxArrayString& sArray); + + // invalid item - use this to terminate the array passed to + // wxMimeTypesManager::AddFallbacks + wxFileTypeInfo() { } + + // test if this object can be used + bool IsValid() const { return !m_mimeType.IsEmpty(); } + + // setters + // set the icon info + void SetIcon(const wxString& iconFile, int iconIndex = 0) + { + m_iconFile = iconFile; + m_iconIndex = iconIndex; + } + // set the short desc + void SetShortDesc(const wxString& shortDesc) { m_shortDesc = shortDesc; } + + // accessors + // get the MIME type + const wxString& GetMimeType() const { return m_mimeType; } + // get the open command + const wxString& GetOpenCommand() const { return m_openCmd; } + // get the print command + const wxString& GetPrintCommand() const { return m_printCmd; } + // get the short description (only used under Win32 so far) + const wxString& GetShortDesc() const { return m_shortDesc; } + // get the long, user visible description + const wxString& GetDescription() const { return m_desc; } + // get the array of all extensions + const wxArrayString& GetExtensions() const { return m_exts; } + int GetExtensionsCount() const {return m_exts.GetCount(); } + // get the icon info + const wxString& GetIconFile() const { return m_iconFile; } + int GetIconIndex() const { return m_iconIndex; } + +private: + wxString m_mimeType, // the MIME type in "type/subtype" form + m_openCmd, // command to use for opening the file (%s allowed) + m_printCmd, // command to use for printing the file (%s allowed) + m_shortDesc, // a short string used in the registry + m_desc; // a free form description of this file type + + // icon stuff + wxString m_iconFile; // the file containing the icon + int m_iconIndex; // icon index in this file + + wxArrayString m_exts; // the extensions which are mapped on this filetype + + +#if 0 // TODO + // the additional (except "open" and "print") command names and values + wxArrayString m_commandNames, + m_commandValues; +#endif // 0 +}; + +WX_DECLARE_EXPORTED_OBJARRAY(wxFileTypeInfo, wxArrayFileTypeInfo); +// ---------------------------------------------------------------------------- +// wxFileType: gives access to all information about the files of given type. +// // This class holds information about a given "file type". File type is the // same as MIME type under Unix, but under Windows it corresponds more to an // extension than to MIME type (in fact, several extensions may correspond to a // file type). This object may be created in many different ways and depending // on how it was created some fields may be unknown so the return value of all // the accessors *must* be checked! +// ---------------------------------------------------------------------------- + class WXDLLEXPORT wxFileType { friend class WXDLLEXPORT wxMimeTypesManagerImpl; // it has access to m_impl @@ -53,7 +176,8 @@ public: public: // ctors MessageParameters() { } - MessageParameters(const wxString& filename, const wxString& mimetype) + MessageParameters(const wxString& filename, + const wxString& mimetype = _T("")) : m_filename(filename), m_mimetype(mimetype) { } // accessors (called by GetOpenCommand) @@ -63,8 +187,8 @@ public: const wxString& GetMimeType() const { return m_mimetype; } // override this function in derived class - virtual wxString GetParamValue(const wxString& WXUNUSED(paramName)) const - { return ""; } + virtual wxString GetParamValue(const wxString& WXUNUSED(name)) const + { return wxEmptyString; } // virtual dtor as in any base class virtual ~MessageParameters() { } @@ -73,6 +197,9 @@ public: wxString m_filename, m_mimetype; }; + // ctor from static data + wxFileType(const wxFileTypeInfo& ftInfo); + // accessors: all of them return true if the corresponding information // could be retrieved/found, false otherwise (and in this case all [out] // parameters are unchanged) @@ -95,6 +222,9 @@ public: // get the command to execute the file of given type bool GetOpenCommand(wxString *openCmd, const MessageParameters& params) const; + // a simpler to use version of GetOpenCommand() -- it only takes the + // filename and returns an empty string on failure + wxString GetOpenCommand(const wxString& filename) const; // get the command to print the file of given type bool GetPrintCommand(wxString *printCmd, const MessageParameters& params) const; @@ -104,33 +234,18 @@ public: size_t GetAllCommands(wxArrayString *verbs, wxArrayString *commands, const wxFileType::MessageParameters& params) const; - // the methods which modify the system database are only implemented under - // Win32 so far (on other platforms they will just return FALSE) - // - // also, they should only be used with the objects created using - // wxMimeTypesManager::Associate() - - // set the command to be used for opening the file - bool SetOpenCommand(const wxString& cmd, bool overwriteprompt = TRUE); - - // set an arbitrary command, ask confirmation if it already exists and - // overwriteprompt is TRUE + // set an arbitrary command, ask confirmation if it already exists and + // overwriteprompt is TRUE bool SetCommand(const wxString& cmd, const wxString& verb, - bool overwriteprompt = TRUE); + bool overwriteprompt = TRUE); - // set the MIME type for this filetype - bool SetMimeType(const wxString& mimeType); - // set the default icon for this filetype bool SetDefaultIcon(const wxString& cmd = wxEmptyString, int index = 0); - // remove the association from the system database - bool Unassociate(); - // delete registration info - bool RemoveOpenCommand(); - bool RemoveCommand(const wxString& verb); - bool RemoveMimeType(); - bool RemoveDefaultIcon(); + // remove the association for this filetype from the system MIME database: + // notice that it will only work if the association is defined in the user + // file/registry part, we will never modify the system-wide settings + bool Unassociate(); // operations // expand a string in the format of GetOpenCommand (which may contain @@ -150,86 +265,66 @@ private: wxFileType(const wxFileType&); wxFileType& operator=(const wxFileType&); - wxFileTypeImpl *m_impl; -}; - -// This class is only used wuth wxMimeTypesManager::AddFallbacks() and is meant -// just as the container for the wxFileType data. -class WXDLLEXPORT wxFileTypeInfo -{ -public: - // ctors - // a normal item - wxFileTypeInfo(const char *mimeType, - const char *openCmd, - const char *printCmd, - const char *desc, - // the other parameters form a NULL terminated list of - // extensions - ...); - - // invalid item - use this to terminate the array passed to - // wxMimeTypesManager::AddFallbacks - wxFileTypeInfo() { } + // the static container of wxFileType data: if it's not NULL, it means that + // this object is used as fallback only + const wxFileTypeInfo *m_info; - bool IsValid() const { return !m_mimeType.IsEmpty(); } - - // accessors - // get the MIME type - const wxString& GetMimeType() const { return m_mimeType; } - // get the open command - const wxString& GetOpenCommand() const { return m_openCmd; } - // get the print command - const wxString& GetPrintCommand() const { return m_printCmd; } - // get the description - const wxString& GetDescription() const { return m_desc; } - // get the array of all extensions - const wxArrayString& GetExtensions() const { return m_exts; } - -private: - wxString m_mimeType, // the MIME type in "type/subtype" form - m_openCmd, // command to use for opening the file (%s allowed) - m_printCmd, // command to use for printing the file (%s allowed) - m_desc; // a free form description of this file type - - wxArrayString m_exts; // the extensions which are mapped on this filetype + // the object which implements the real stuff like reading and writing + // to/from system MIME database + wxFileTypeImpl *m_impl; }; -WX_DECLARE_EXPORTED_OBJARRAY(wxFileTypeInfo, wxArrayFileTypeInfo); - - +// ---------------------------------------------------------------------------- +// wxMimeTypesManager: interface to system MIME database. +// // This class accesses the information about all known MIME types and allows // the application to retrieve information (including how to handle data of // given type) about them. -// -// NB: currently it doesn't support modifying MIME database (read-only access). +// ---------------------------------------------------------------------------- + class WXDLLEXPORT wxMimeTypesManager { public: // static helper functions // ----------------------- - // check if the given MIME type is the same as the other one: the second - // argument may contain wildcards ('*'), but not the first. If the - // types are equal or if the mimeType matches wildcard the function + // check if the given MIME type is the same as the other one: the + // second argument may contain wildcards ('*'), but not the first. If + // the types are equal or if the mimeType matches wildcard the function // returns TRUE, otherwise it returns FALSE static bool IsOfType(const wxString& mimeType, const wxString& wildcard); // ctor wxMimeTypesManager(); + // NB: the following 2 functions are for Unix only and don't do anything + // elsewhere + + // loads data from standard files according to the mailcap styles + // specified: this is a bitwise OR of wxMailcapStyle values + // + // use the extraDir parameter if you want to look for files in another + // directory + void Initialize(int mailcapStyle = wxMAILCAP_ALL, + const wxString& extraDir = wxEmptyString); + + // and this function clears all the data from the manager + void ClearData(); + // Database lookup: all functions return a pointer to wxFileType object // whose methods may be used to query it for the information you're // interested in. If the return value is !NULL, caller is responsible for // deleting it. // get file type from file extension wxFileType *GetFileTypeFromExtension(const wxString& ext); - wxFileType *GetOrAllocateFileTypeFromExtension(const wxString& ext); // get file type from MIME type (in format /) wxFileType *GetFileTypeFromMimeType(const wxString& mimeType); // other operations: return TRUE if there were no errors or FALSE if there // were some unreckognized entries (the good entries are always read anyhow) + // + // FIXME: These ought to be private ?? + // read in additional file (the standard ones are read automatically) // in mailcap format (see mimetype.cpp for description) // @@ -237,6 +332,7 @@ public: // settings from other, previously parsed, files by this one: normally, // the files read most recently would override the older files, but with // fallback == TRUE this won't happen + bool ReadMailcap(const wxString& filename, bool fallback = FALSE); // read in additional file in mime.types format bool ReadMimeTypes(const wxString& filename); @@ -251,19 +347,20 @@ public: // ReadMailcap(filenameWithDefaultTypes, TRUE /* use as fallback */) to // achieve the same goal, but this requires having this info in a file). // - // It isn't possible (currently) to provide fallback icons using this - // function. - // - // The filetypes array should be terminated by a NULL entry + // The filetypes array should be terminated by either NULL entry or an + // invalid wxFileTypeInfo (i.e. the one created with default ctor) void AddFallbacks(const wxFileTypeInfo *filetypes); + void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); } + + // create or remove associations - // create a new association between the given extension and MIME type and - // return the wxFileType object corresponding (which should be deleted by - // caller) or NULL if something went wrong - wxFileType *Associate(const wxString& ext, - const wxString& mimeType, - const wxString& filetype = wxEmptyString, - const wxString& desc = wxEmptyString); + // create a new association using the fields of wxFileTypeInfo (at least + // the MIME type and the extension should be set) + // if the other fields are empty, the existing values should be left alone + wxFileType *Associate(const wxFileTypeInfo& ftInfo); + + // undo Associate() + bool Unassociate(wxFileType *ft) ; // dtor (not virtual, shouldn't be derived from) ~wxMimeTypesManager(); @@ -273,6 +370,11 @@ private: wxMimeTypesManager(const wxMimeTypesManager&); wxMimeTypesManager& operator=(const wxMimeTypesManager&); + // the fallback info which is used if the information is not found in the + // real system database + wxArrayFileTypeInfo m_fallbacks; + + // the object working with the system MIME database wxMimeTypesManagerImpl *m_impl; // if m_impl is NULL, create one @@ -289,10 +391,7 @@ private: // the default mime manager for wxWindows programs WXDLLEXPORT_DATA(extern wxMimeTypesManager *) wxTheMimeTypesManager; -#endif - // wxUSE_FILE +#endif // wxUSE_MIMETYPE #endif - //_MIMETYPE_H - -/* vi: set cin tw=80 ts=4 sw=4: */ + //_WX_MIMETYPE_H_