source/libr2c2/zone.cpp

   1 #include <msp/strings/format.h>
   2 #include "block.h"
   3 #include "layout.h"
   4 #include "track.h"
   5 #include "zone.h"
   6
   7 using namespace std;
   8 using namespace Msp;
   9
  10 namespace R2C2 {
  11
  12 Zone::Zone(Layout &l):
  13         layout(l),
  14         number(0)
  15 {
  16         layout.add_zone(*this);
  17 }
  18
  19 Zone::~Zone()
  20 {
  21         layout.remove_zone(*this);
  22 }
  23
  24 void Zone::set_name(const string &g, const string &q, unsigned n)
  25 {
  26         group = g;
  27         qualifier = q;
  28         number = n;
  29
  30         signal_name_changed.emit(group, qualifier, number);
  31 }
  32
  33 string Zone::get_name() const
  34 {
  35         string result = group;
  36         if(!qualifier.empty())
  37         {
  38                 result += ' ';
  39                 result += qualifier;
  40         }
  41         if(number)
  42                 result += format(" %d", number);
  43         return result;
  44 }
  45
  46 void Zone::add_track(Track &track)
  47 {
  48         if(!is_valid(track))
  49                 throw InvalidParameterValue("Can't add track to zone");
  50
  51         tracks.insert(&track);
  52 }
  53
  54 bool Zone::add_tracks(const TrackSet &trks)
  55 {
  56         TrackSet pending = trks;
  57         bool first = true;
  58         while(1)
  59         {
  60                 bool ok = false;
  61                 for(TrackSet::const_iterator i=pending.begin(); i!=pending.end(); ++i)
  62                         if(is_valid(**i))
  63                         {
  64                                 tracks.insert(*i);
  65                                 pending.erase(i);
  66                                 ok = true;
  67                                 break;
  68                         }
  69
  70                 if(!ok)
  71                 {
  72                         if(first)
  73                                 throw InvalidParameterValue("Cound not add any tracks to zone");
  74                         return pending.empty();
  75                 }
  76
  77                 first = false;
  78         }
  79 }
  80
  81 void Zone::save(list<DataFile::Statement> &st) const
  82 {
  83         st.push_back((DataFile::Statement("group"), group));
  84         if(!qualifier.empty())
  85                 st.push_back((DataFile::Statement("qualifier"), qualifier));
  86         if(number)
  87                 st.push_back((DataFile::Statement("number"), number));
  88
  89         set<unsigned> block_ids;
  90         for(TrackSet::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
  91                 block_ids.insert((*i)->get_block().get_id());
  92
  93         for(set<unsigned>::const_iterator i=block_ids.begin(); i!=block_ids.end(); ++i)
  94                 st.push_back((DataFile::Statement("block"), *i));
  95 }
  96
  97 bool Zone::is_valid(Track &t) const
  98 {
  99         if(tracks.empty())
 100                 return true;
 101
 102         const vector<Track *> &links = t.get_links();
 103         for(vector<Track *>::const_iterator i=links.begin(); i!=links.end(); ++i)
 104                 if(*i && tracks.count(*i))
 105                         return true;
 106
 107         return false;
 108 }
 109
 110
 111 Zone::Loader::Loader(Zone &z):
 112         DataFile::ObjectLoader<Zone>(z)
 113 {
 114         add("block",     &Loader::block);
 115         add("group",     &Zone::group);
 116         add("number",    &Zone::number);
 117         add("qualifier", &Zone::qualifier);
 118 }
 119
 120 void Zone::Loader::block(unsigned b)
 121 {
 122         Block &blk = obj.layout.get_block(b);
 123         const set<Track *> &btracks = blk.get_tracks();
 124         obj.tracks.insert(btracks.begin(), btracks.end());
 125 }
 126
 127 } // namespace R2C2