source/installedfile.cpp

   1 #include <msp/fs/utils.h>
   2 #include "builder.h"
   3 #include "installedfile.h"
   4 #include "sharedlibrary.h"
   5
   6 using namespace std;
   7 using namespace Msp;
   8
   9 InstalledFile::InstalledFile(Builder &b, const SourcePackage &p, FileTarget &s, const string &loc):
  10         FileTarget(b, p, generate_target_path(b.get_prefix(), s, loc)),
  11         source(s)
  12 {
  13         add_depend(source);
  14
  15         if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&source))
  16                 if(!shlib->get_soname().empty())
  17                         link = FS::dirname(path)/FS::basename(shlib->get_path());
  18
  19         if(!link.empty())
  20                 builder.get_vfs().register_path(link, this);
  21 }
  22
  23 FS::Path InstalledFile::generate_target_path(const FS::Path &prefix, const FileTarget &tgt, const string &loc)
  24 {
  25         if(!tgt.is_installable() && loc.empty())
  26                 throw invalid_argument(tgt.get_name()+" is not installable");
  27
  28         FS::Path mid;
  29         if(!loc.empty())
  30                 mid = loc;
  31         else if(const Component *comp = tgt.get_component())
  32                 mid = comp->get_install_map().get_install_location(tgt);
  33         else
  34                 mid = tgt.get_install_location();
  35
  36         string fn = FS::basename(tgt.get_path());
  37         if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&tgt))
  38                 if(!shlib->get_soname().empty())
  39                         fn = shlib->get_soname();
  40
  41         return prefix/mid/fn;
  42 }
  43
  44 Target *InstalledFile::get_real_target()
  45 {
  46         return source.get_real_target();
  47 }
  48
  49 void InstalledFile::check_rebuild()
  50 {
  51         if(!mtime)
  52                 mark_rebuild("Does not exist");
  53         else if(source.get_mtime()>mtime || source.get_size()!=size)
  54                 mark_rebuild(source.get_name()+" has changed");
  55         else if(source.needs_rebuild())
  56                 mark_rebuild(source.get_name()+" needs rebuilding");
  57 }