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
  63         FS::Path gen_dir = package.get_temp_directory()/"generated";
  64         if(FS::descendant_depth(path, gen_dir)>=0)
  65         {
  66                 FS::Path subdir = FS::dirname(FS::relative(path, gen_dir));
  67                 binfo.local_incpath.push_back(package.get_source_directory()/subdir);
  68         }
  69         else
  70         {
  71                 FS::Path subdir = FS::dirname(FS::relative(path, package.get_source_directory()));
  72                 binfo.local_incpath.push_back(gen_dir/subdir);
  73         }
  74
  75         if(!overlays.empty())
  76         {
  77                 FS::Path dir = FS::dirname(path);
  78                 string last = FS::basename(dir);
  79                 for(OverlayList::const_iterator i=overlays.begin(); i!=overlays.end(); ++i)
  80                         if(last==*i)
  81                         {
  82                                 dir = FS::dirname(dir);
  83                                 break;
  84                         }
  85
  86                 for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  87                         if(dir==*i)
  88                         {
  89                                 binfo.local_incpath.push_back(dir);
  90                                 for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  91                                         binfo.local_incpath.push_back(*i/ *j);
  92                         }
  93         }
  94         return binfo;
  95 }
  96
  97 Component::SourceList Component::collect_source_files() const
  98 {
  99         SourceList files;
 100         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 101         {
 102                 FS::Path path(*i);
 103                 if(FS::is_dir(path))
 104                 {
 105                         SourceList dirs;
 106                         dirs.push_back(path);
 107                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
 108                         {
 109                                 FS::Path opath = path / *j;
 110                                 if(FS::is_dir(opath))
 111                                         dirs.push_back(opath);
 112                         }
 113                         set<string> overlay_files;
 114                         for(SourceList::const_iterator j=dirs.begin(); j!=dirs.end(); ++j)
 115                         {
 116                                 package.get_builder().get_logger().log("files", format("Traversing %s", *j));
 117                                 vector<string> sfiles = list_files(*j);
 118                                 for(vector<string>::iterator k=sfiles.begin(); k!=sfiles.end(); ++k)
 119                                 {
 120                                         if(j!=dirs.begin())
 121                                         {
 122                                                 if(overlay_files.count(*k))
 123                                                         continue;
 124                                                 overlay_files.insert(*k);
 125                                         }
 126                                         FS::Path fn = *j / *k;
 127                                         if(!FS::is_dir(fn))
 128                                                 files.push_back(fn);
 129                                 }
 130                         }
 131                 }
 132                 else
 133                 {
 134                         files.push_back(path);
 135                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
 136                         {
 137                                 FS::Path opath = FS::dirname(path)/ *j/FS::basename(path);
 138                                 if(FS::is_reg(opath))
 139                                         files.push_back(opath);
 140                         }
 141                 }
 142         }
 143
 144         return files;
 145 }
 146
 147
 148 Component::Loader::Loader(Component &c):
 149         DataFile::ObjectLoader<Component>(c),
 150         ConditionalLoader(c.package, format("%s/%s", c.package.get_name(), c.name))
 151 {
 152         add("overlay",         &Loader::overlay);
 153         add("source",          &Loader::source);
 154         add("install",         &Component::install);
 155         add("install_map",     &Loader::install_map);
 156         add("build_info",      &Loader::build_info);
 157         add("require",         &Loader::require);
 158         add("default",         &Component::deflt);
 159 }
 160
 161 void Component::Loader::build_info()
 162 {
 163         load_sub(obj.build_info);
 164 }
 165
 166 void Component::Loader::install_map()
 167 {
 168         load_sub(obj.install_map, obj.package.get_source_directory());
 169 }
 170
 171 void Component::Loader::overlay(const string &o)
 172 {
 173         obj.overlays.push_back(o);
 174 }
 175
 176 void Component::Loader::require(const string &n)
 177 {
 178         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 179         if(req)
 180                 obj.requires.push_back(req);
 181         else
 182                 obj.problems.push_back(format("Required package %s not found", n));
 183 }
 184
 185 void Component::Loader::source(const string &s)
 186 {
 187         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 188 }