source/component.cpp

   1 #include <algorithm>
   2 #include <msp/fs/dir.h>
   3 #include <msp/fs/stat.h>
   4 #include <msp/fs/utils.h>
   5 #include <msp/strings/format.h>
   6 #include "builder.h"
   7 #include "component.h"
   8 #include "sourcepackage.h"
   9
  10 using namespace std;
  11 using namespace Msp;
  12
  13 Component::Component(SourcePackage &p, const string &n):
  14         package(p),
  15         name(n),
  16         install(false),
  17         deflt(true)
  18 { }
  19
  20 void Component::prepare()
  21 {
  22         for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  23                 (*i)->prepare();
  24 }
  25
  26 void Component::create_build_info()
  27 {
  28         BuildInfo final_build_info;
  29
  30         const Package::Requirements &pkg_reqs = package.get_required_packages();
  31         Package::Requirements direct_reqs = requires;
  32         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  33
  34         Package::Requirements all_reqs = direct_reqs;
  35         for(Package::Requirements::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  36         {
  37                 BuildInfo::UpdateLevel level = BuildInfo::CHAINED;
  38                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  39                         level = BuildInfo::DEPENDENCY;
  40                 final_build_info.update_from((*i)->get_exported_build_info(), level);
  41
  42                 const Package::Requirements &reqs = (*i)->get_required_packages();
  43                 for(Package::Requirements::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  44                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  45                                 all_reqs.push_back(*j);
  46         }
  47
  48         final_build_info.update_from(package.get_build_info());
  49         final_build_info.update_from(build_info);
  50         build_info = final_build_info;
  51
  52         for(BuildInfo::PathList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  53                 *i = (package.get_source_directory() / *i).str();
  54         for(BuildInfo::PathList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  55                 *i = (package.get_source_directory() / *i).str();
  56 }
  57
  58 BuildInfo Component::get_build_info_for_path(const FS::Path &path) const
  59 {
  60         // XXX Cache these and check that the directories actually exist before adding them
  61         BuildInfo binfo = build_info;
  62         if(!overlays.empty())
  63         {
  64                 FS::Path dir = FS::dirname(path);
  65                 string last = FS::basename(dir);
  66                 for(OverlayList::const_iterator i=overlays.begin(); i!=overlays.end(); ++i)
  67                         if(last==*i)
  68                         {
  69                                 dir = FS::dirname(dir);
  70                                 break;
  71                         }
  72
  73                 for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  74                         if(dir==*i)
  75                         {
  76                                 binfo.local_incpath.push_back(dir);
  77                                 for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  78                                         binfo.local_incpath.push_back(*i/ *j);
  79                         }
  80         }
  81         return binfo;
  82 }
  83
  84 Component::SourceList Component::collect_source_files() const
  85 {
  86         SourceList files;
  87         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  88         {
  89                 FS::Path path(*i);
  90                 if(FS::is_dir(path))
  91                 {
  92                         SourceList dirs;
  93                         dirs.push_back(path);
  94                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  95                         {
  96                                 FS::Path opath = path / *j;
  97                                 if(FS::is_dir(opath))
  98                                         dirs.push_back(opath);
  99                         }
 100                         set<string> overlay_files;
 101                         for(SourceList::const_iterator j=dirs.begin(); j!=dirs.end(); ++j)
 102                         {
 103                                 package.get_builder().get_logger().log("files", format("Traversing %s", *j));
 104                                 list<string> sfiles = list_files(*j);
 105                                 for(list<string>::iterator k=sfiles.begin(); k!=sfiles.end(); ++k)
 106                                 {
 107                                         if(j!=dirs.begin())
 108                                         {
 109                                                 if(overlay_files.count(*k))
 110                                                         continue;
 111                                                 overlay_files.insert(*k);
 112                                         }
 113                                         files.push_back(*j / *k);
 114                                 }
 115                         }
 116                 }
 117                 else
 118                 {
 119                         files.push_back(path);
 120                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
 121                         {
 122                                 FS::Path opath = FS::dirname(path)/ *j/FS::basename(path);
 123                                 if(FS::is_reg(opath))
 124                                         files.push_back(opath);
 125                         }
 126                 }
 127         }
 128
 129         return files;
 130 }
 131
 132
 133 Component::Loader::Loader(Component &c):
 134         DataFile::ObjectLoader<Component>(c),
 135         ConditionalLoader(c.package, format("%s/%s", c.package.get_name(), c.name))
 136 {
 137         add("overlay",         &Loader::overlay);
 138         add("source",          &Loader::source);
 139         add("install",         &Component::install);
 140         add("install_map",     &Loader::install_map);
 141         add("build_info",      &Loader::build_info);
 142         add("require",         &Loader::require);
 143         add("default",         &Component::deflt);
 144 }
 145
 146 void Component::Loader::build_info()
 147 {
 148         load_sub(obj.build_info);
 149 }
 150
 151 void Component::Loader::install_map()
 152 {
 153         load_sub(obj.install_map, obj.package.get_source_directory());
 154 }
 155
 156 void Component::Loader::overlay(const string &o)
 157 {
 158         obj.overlays.push_back(o);
 159 }
 160
 161 void Component::Loader::require(const string &n)
 162 {
 163         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 164         if(req)
 165                 obj.requires.push_back(req);
 166         else
 167                 obj.problems.push_back(format("Required package %s not found", n));
 168 }
 169
 170 void Component::Loader::source(const string &s)
 171 {
 172         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 173 }