src/Format.h

   1 // -*- C++ -*-
   2 /**
   3  * \file Format.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Dekel Tsur
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #ifndef FORMAT_H
  13 #define FORMAT_H
  14
  15 #include "support/docstring.h"
  16
  17 #include <vector>
  18
  19
  20 namespace lyx {
  21
  22 namespace support { class FileName; }
  23
  24 class Buffer;
  25
  26 class Format {
  27 public:
  28         /// Flags for some format properties
  29         enum Flags {
  30                 none = 0,
  31                 /// Set if this format is a document format (as opposed to
  32                 /// e.g. image formats).
  33                 /// Some formats are both (e.g. pdf), they have this flag set.
  34                 document = 1,
  35                 /// Set if this format can contain vector graphics.
  36                 vector = 2,
  37         };
  38         ///
  39         Format(std::string const & n, std::string const & e, std::string const & p,
  40                std::string const & s, std::string const & v, std::string const & ed,
  41                int);
  42         ///
  43         bool dummy() const;
  44         /// Tell whether this format is a child format.
  45         /// Child formats inherit settings like the viewer from their parent.
  46         bool isChildFormat() const;
  47         /// Name fo the parent format
  48         std::string const parentFormat() const;
  49         ///
  50         std::string const & name() const {
  51                 return name_;
  52         }
  53         ///
  54         std::string const & extension() const {
  55                 return extension_;
  56         }
  57         ///
  58         std::string const & prettyname() const {
  59                 return prettyname_;
  60         }
  61         ///
  62         std::string const & shortcut() const {
  63                 return shortcut_;
  64         }
  65         ///
  66         std::string const & viewer() const {
  67                 return viewer_;
  68         }
  69         ///
  70         void setViewer(std::string const & v) {
  71                 viewer_ = v;
  72         }
  73         ///
  74         std::string const & editor() const {
  75                 return editor_;
  76         }
  77         ///
  78         void setEditor(std::string const & v) {
  79                 editor_ = v;
  80         }
  81         ///
  82         bool documentFormat() const {
  83                 return flags_ & document;
  84         }
  85         ///
  86         bool vectorFormat() const {
  87                 return flags_ & vector;
  88         }
  89 private:
  90         /// Internal name. Needs to be unique.
  91         std::string name_;
  92         /// Filename extension
  93         std::string extension_;
  94         /// Name presented to the user. Needs to be unique.
  95         std::string prettyname_;
  96         /// Keyboard shortcut for the View and Export menu.
  97         std::string shortcut_;
  98         /*!
  99          * Viewer for this format. Needs to be in the PATH or an absolute
 100          * filename.
 101          * This format cannot be viewed if \c viewer_ is empty.
 102          * If it is \c auto the default viewer of the OS for this format is
 103          * used.
 104          */
 105         std::string viewer_;
 106         /// Editor for this format. \sa viewer_.
 107         std::string editor_;
 108         ///
 109         int flags_;
 110 };
 111
 112
 113 bool operator<(Format const & a, Format const & b);
 114
 115
 116 ///
 117 class Formats {
 118 public:
 119         ///
 120         typedef std::vector<Format> FormatList;
 121         ///
 122         typedef FormatList::const_iterator const_iterator;
 123         ///
 124         Format const & get(FormatList::size_type i) const {
 125                 return formatlist[i];
 126         }
 127         /// \returns format named \p name if it exists, otherwise 0
 128         Format const * getFormat(std::string const & name) const;
 129         /*!
 130          * Get the format of \p filename from file contents or, if this
 131          * fails, from file extension.
 132          * \returns file format if it could be found, otherwise an empty
 133          * string.
 134          */
 135         std::string getFormatFromFile(support::FileName const & filename) const;
 136         /// Set editor and/or viewer to "auto" for formats that can be
 137         /// opened by the OS.
 138         void setAutoOpen();
 139         ///
 140         int getNumber(std::string const & name) const;
 141         ///
 142         void add(std::string const & name);
 143         ///
 144         void add(std::string const & name, std::string const & extension,
 145                  std::string const & prettyname, std::string const & shortcut,
 146                  std::string const & viewer, std::string const & editor,
 147                  int flags);
 148         ///
 149         void erase(std::string const & name);
 150         ///
 151         void sort();
 152         ///
 153         void setViewer(std::string const & name, std::string const & command);
 154         ///
 155         bool view(Buffer const & buffer, support::FileName const & filename,
 156                   std::string const & format_name) const;
 157         ///
 158         bool edit(Buffer const & buffer, support::FileName const & filename,
 159                   std::string const & format_name) const;
 160         ///
 161         docstring const prettyName(std::string const & name) const;
 162         ///
 163         std::string const extension(std::string const & name) const;
 164         ///
 165         const_iterator begin() const { return formatlist.begin(); }
 166         ///
 167         const_iterator end() const { return formatlist.end(); }
 168         ///
 169         FormatList::size_type size() const { return formatlist.size(); }
 170 private:
 171         ///
 172         FormatList formatlist;
 173 };
 174
 175 extern Formats formats;
 176
 177 extern Formats system_formats;
 178
 179
 180 } // namespace lyx
 181
 182 #endif //FORMAT_H