src/CmdDef.h

   1 // -*- C++ -*-
   2 /**
   3  * \file CmdDef.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Bernhard Roider
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #ifndef CMDDEF_H
  13 #define CMDDEF_H
  14
  15 #include "FuncRequest.h"
  16
  17 #include "support/strfwd.h"
  18
  19 #include <map>
  20 #include <set>
  21
  22 namespace lyx {
  23
  24 /// Creates command definitions
  25 class CmdDef {
  26 private:
  27         /// type for map between a macro name and its info
  28         typedef std::map<std::string, FuncRequest> CmdDefMap;
  29         /// type for a set containing all locked definitions
  30         typedef std::set<std::string> LockSet;
  31 public:
  32
  33         /// Parse a def file
  34         bool read(std::string const & def_file);
  35
  36         /**
  37          * Look up a definition, lock it and return the
  38          * associated action if it is not locked.
  39          * @param name the name of the command
  40          * @param func contains the action on success
  41          * @return true if lock was successful
  42          */
  43         bool lock(std::string const & name, FuncRequest & func);
  44
  45         /// release a locked definition
  46         void release(std::string const & name);
  47
  48 private:
  49
  50         /// possible reasons for not allowed definitions
  51         enum newCmdDefResult {
  52                 CmdDefOk,
  53                 CmdDefNameEmpty,
  54                 CmdDefInvalid,
  55                 CmdDefExists
  56         };
  57
  58         /**
  59          * Add a new command definition.
  60          * @param name internal recursion level
  61          */
  62         newCmdDefResult newCmdDef(std::string const & name,
  63                                       std::string const & def);
  64
  65         ///
  66         CmdDefMap cmdDefMap;
  67         ///
  68         LockSet lockSet;
  69 };
  70
  71 /// Implementation is in LyX.cpp
  72 extern CmdDef & theTopLevelCmdDef();
  73
  74
  75 } // namespace lyx
  76
  77 #endif // CMDDEF_H