source/installmap.cpp

   1 #include <msp/fs/utils.h>
   2 #include "component.h"
   3 #include "filetarget.h"
   4 #include "installmap.h"
   5
   6 using namespace std;
   7 using namespace Msp;
   8
   9 void InstallMap::add_mapping(const FS::Path &src, const FS::Path &inst)
  10 {
  11         Entry e;
  12         e.source = src;
  13         e.install = inst;
  14         entries.push_back(e);
  15 }
  16
  17 FS::Path InstallMap::get_install_location(const FileTarget &target) const
  18 {
  19         const Component *comp = target.get_component();
  20         unsigned overlay_depth = 0;
  21         if(comp && !comp->get_overlays().empty())
  22         {
  23                 const Component::OverlayList &overlays = comp->get_overlays();
  24                 string last_dir = FS::basename(FS::dirname(target.get_path()));
  25                 for(Component::OverlayList::const_iterator i=overlays.begin(); i!=overlays.end(); ++i)
  26                         if(last_dir==*i)
  27                                 overlay_depth = 1;
  28         }
  29
  30         const FS::Path &source = target.get_path();
  31         FS::Path install = target.get_install_location();
  32         for(list<Entry>::const_iterator i=entries.begin(); i!=entries.end(); ++i)
  33         {
  34                 int source_depth = FS::descendant_depth(source, i->source);
  35                 if(source_depth>=0)
  36                 {
  37                         FS::Path install_base = FS::common_ancestor(install, i->install);
  38                         if(install_base.size()>1)
  39                         {
  40                                 install = i->install/source.subpath(i->source.size(), source_depth-1-overlay_depth);
  41                                 break;
  42                         }
  43                 }
  44         }
  45
  46         return install;
  47 }
  48
  49
  50 InstallMap::Loader::Loader(InstallMap &m, const FS::Path &s):
  51         DataFile::ObjectLoader<InstallMap>(m),
  52         source_base(s)
  53 {
  54         add("map", &Loader::map);
  55 }
  56
  57 void InstallMap::Loader::map(const string &src, const string &inst)
  58 {
  59         obj.add_mapping(source_base/src, inst);
  60 }