tde.h

   1 // This file is part of a terminal todo application.
   2 //
   3 // Copyright (C) 2006 by Mike Sharov <msharov@users.sourceforge.net>
   4 // This file is free software, distributed under the MIT License.
   5 //
   6 // tde.h
   7 //
   8
   9 #ifndef TDE_H_27699F347D16DF25781577481B852F4D
  10 #define TDE_H_27699F347D16DF25781577481B852F4D
  11
  12 #include "config.h"
  13
  14 //----------------------------------------------------------------------
  15
  16 /// ToDo list entry.
  17 class CTodoItem {
  18 public:
  19     enum EPriority {
  20         priority_Directory,
  21         priority_Highest,
  22         priority_High,
  23         priority_Medium,
  24         priority_Low,
  25         priority_Lowest,
  26         priority_Last
  27     };
  28     typedef uint32_t            id_t;
  29     typedef const string&       rctext_t;
  30     typedef const CTodoItem&    rcself_t;
  31 private:
  32     inline time_t       MakeTimeT (uint32_t v) const { return (sizeof(time_t) > 4 ? ((time_t(m_Epoch) << 32) | v) : v); }
  33     const char*         TimeTText (uint32_t v) const;
  34 public:
  35                         CTodoItem (id_t id = 0);
  36     void                read (istream& is);
  37     void                write (ostream& os) const;
  38     size_t              stream_size (void) const;
  39     void                MarkComplete (uint8_t progress = 100);
  40     inline uint32_t     Progress (void) const   { return (m_Progress); }
  41     inline bool         Complete (void) const   { return (Progress() == 100); }
  42     inline time_t       Created (void) const    { return (MakeTimeT (m_Created)); }
  43     inline time_t       Done (void) const       { return (MakeTimeT (m_Done)); }
  44     inline const char*  CreatedDateText (void) const { return (TimeTText (m_Created)); }
  45     inline const char*  DoneDateText (void) const { return (TimeTText (m_Done)); }
  46     inline id_t         Id (void) const         { return (m_Id); }
  47     inline bool         HasSublist (void) const { return (m_bHasSublist); }
  48     inline void         SetHasSublist (bool v)  { m_bHasSublist = v; }
  49     inline rctext_t     Text (void) const       { return (m_Text); }
  50     inline rctext_t     Comment (void) const    { return (m_Comment); }
  51     inline void         SetText (rctext_t v)    { m_Text = v; }
  52     inline void         SetComment (rctext_t v) { m_Comment = v; }
  53     inline uint8_t      Refs (void) const       { return (m_Refs); }
  54     inline bool         AddRef (void)           { return (m_Refs < UINT8_MAX ? ++m_Refs : false); }
  55     inline bool         DelRef (void)           { return (m_Refs > 0 ? --m_Refs : false); }
  56     inline uint8_t      Priority (void) const   { return (m_Priority); }
  57     inline void         SetPriority (EPriority v)       { m_Priority = v; }
  58     inline bool         operator< (rcself_t v) const    { return (Id() < v.Id()); }
  59     inline bool         operator== (rcself_t v) const   { return (Id() == v.Id()); }
  60 private:
  61     string              m_Text;         ///< Description of what to do.
  62     string              m_Comment;      ///< Completion comment.
  63     uint32_t            m_Epoch;        ///< Upper half of time_t for dates.
  64     uint32_t            m_Created;      ///< When it was created.
  65     uint32_t            m_Done;         ///< When it was completed.
  66     id_t                m_Id;           ///< Unique id of the entry.
  67     uint8_t             m_Priority;     ///< Priority value. See #EPriority.
  68     uint8_t             m_Progress;     ///< Percent complete.
  69     uint8_t             m_bHasSublist;  ///< true if there are dependencies.
  70     uint8_t             m_Refs;         ///< Number of dependent items.
  71 };
  72
  73 //----------------------------------------------------------------------
  74
  75 /// Provides dependency links between todo items.
  76 class CTodoDep {
  77 public:
  78     typedef CTodoItem::id_t     itemid_t;
  79     typedef const CTodoDep&     rcself_t;
  80 public:
  81                         CTodoDep (itemid_t item = 0, itemid_t dep = 0) : m_ItemId (item), m_DepId (dep) { }
  82     inline bool         operator< (rcself_t v) const    { return (m_ItemId < v.m_ItemId); }
  83     inline bool         operator== (rcself_t v) const   { return (m_ItemId == v.m_ItemId); }
  84     inline void         read (istream& is)              { is >> m_ItemId >> m_DepId; }
  85     inline void         write (ostream& os) const       { os << m_ItemId << m_DepId; }
  86     inline size_t       stream_size (void) const        { return (stream_size_of (m_ItemId) + stream_size_of (m_DepId)); }
  87 public:
  88     itemid_t    m_ItemId;       ///< Item id that has ...
  89     itemid_t    m_DepId;        ///< ... this dependency.
  90 };
  91
  92 //----------------------------------------------------------------------
  93
  94 enum { c_RootItemId };
  95
  96 //----------------------------------------------------------------------
  97
  98 typedef vector<CTodoItem>       tdevec_t;
  99 typedef vector<CTodoDep>        tddepmap_t;
 100
 101 STD_STREAMABLE (CTodoItem)
 102 STD_STREAMABLE (CTodoDep)
 103
 104 #endif
 105