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/io/print.h>
   6 #include <msp/strings/lexicalcast.h>
   7 #include "builder.h"
   8 #include "component.h"
   9 #include "sourcepackage.h"
  10
  11 using namespace std;
  12 using namespace Msp;
  13
  14 Component::Component(SourcePackage &p, const string &n):
  15         package(p),
  16         name(n),
  17         install(false),
  18         deflt(true)
  19 { }
  20
  21 void Component::prepare()
  22 {
  23         for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  24                 (*i)->prepare();
  25 }
  26
  27 void Component::create_build_info()
  28 {
  29         BuildInfo final_build_info;
  30
  31         const Package::Requirements &pkg_reqs = package.get_required_packages();
  32         Package::Requirements direct_reqs = requires;
  33         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  34
  35         Package::Requirements all_reqs = direct_reqs;
  36         for(Package::Requirements::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  37         {
  38                 BuildInfo::UpdateLevel level = BuildInfo::CHAINED;
  39                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  40                         level = BuildInfo::DEPENDENCY;
  41                 final_build_info.update_from((*i)->get_exported_build_info(), level);
  42
  43                 const Package::Requirements &reqs = (*i)->get_required_packages();
  44                 for(Package::Requirements::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  45                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  46                                 all_reqs.push_back(*j);
  47         }
  48
  49         final_build_info.update_from(package.get_build_info());
  50         final_build_info.update_from(build_info);
  51         build_info = final_build_info;
  52
  53         for(BuildInfo::PathList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  54                 *i = (package.get_source_directory() / *i).str();
  55         for(BuildInfo::PathList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  56                 *i = (package.get_source_directory() / *i).str();
  57 }
  58
  59 BuildInfo Component::get_build_info_for_path(const FS::Path &path) const
  60 {
  61         // XXX Cache these and check that the directories actually exist before adding them
  62         BuildInfo binfo = build_info;
  63         if(!overlays.empty())
  64         {
  65                 FS::Path dir = FS::dirname(path);
  66                 string last = FS::basename(dir);
  67                 for(OverlayList::const_iterator i=overlays.begin(); i!=overlays.end(); ++i)
  68                         if(last==*i)
  69                         {
  70                                 dir = FS::dirname(dir);
  71                                 break;
  72                         }
  73
  74                 for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  75                         if(dir==*i)
  76                         {
  77                                 binfo.local_incpath.push_back(dir);
  78                                 for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  79                                         binfo.local_incpath.push_back(*i/ *j);
  80                         }
  81         }
  82         return binfo;
  83 }
  84
  85 Component::SourceList Component::collect_source_files() const
  86 {
  87         SourceList files;
  88         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  89         {
  90                 FS::Path path(*i);
  91                 if(FS::is_dir(path))
  92                 {
  93                         SourceList dirs;
  94                         dirs.push_back(path);
  95                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  96                         {
  97                                 FS::Path opath = path / *j;
  98                                 if(FS::is_dir(opath))
  99                                         dirs.push_back(opath);
 100                         }
 101                         set<string> overlay_files;
 102                         for(SourceList::const_iterator j=dirs.begin(); j!=dirs.end(); ++j)
 103                         {
 104                                 package.get_builder().get_logger().log("files", format("Traversing %s", *j));
 105                                 list<string> sfiles = list_files(*j);
 106                                 for(list<string>::iterator k=sfiles.begin(); k!=sfiles.end(); ++k)
 107                                 {
 108                                         if(j!=dirs.begin())
 109                                         {
 110                                                 if(overlay_files.count(*k))
 111                                                         continue;
 112                                                 overlay_files.insert(*k);
 113                                         }
 114                                         files.push_back(*j / *k);
 115                                 }
 116                         }
 117                 }
 118                 else
 119                 {
 120                         files.push_back(path);
 121                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
 122                         {
 123                                 FS::Path opath = FS::dirname(path)/ *j/FS::basename(path);
 124                                 if(FS::is_reg(opath))
 125                                         files.push_back(opath);
 126                         }
 127                 }
 128         }
 129
 130         return files;
 131 }
 132
 133
 134 Component::Loader::Loader(Component &c):
 135         DataFile::ObjectLoader<Component>(c),
 136         ConditionalLoader(c.package, format("%s/%s", c.package.get_name(), c.name))
 137 {
 138         add("overlay",         &Loader::overlay);
 139         add("source",          &Loader::source);
 140         add("install",         &Component::install);
 141         add("install_map",     &Loader::install_map);
 142         add("build_info",      &Loader::build_info);
 143         add("require",         &Loader::require);
 144         add("default",         &Component::deflt);
 145 }
 146
 147 void Component::Loader::build_info()
 148 {
 149         load_sub(obj.build_info);
 150 }
 151
 152 void Component::Loader::install_map()
 153 {
 154         load_sub(obj.install_map, obj.package.get_source_directory());
 155 }
 156
 157 void Component::Loader::overlay(const string &o)
 158 {
 159         obj.overlays.push_back(o);
 160 }
 161
 162 void Component::Loader::require(const string &n)
 163 {
 164         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 165         if(req)
 166                 obj.requires.push_back(req);
 167         else
 168                 obj.problems.push_back(format("Required package %s not found", n));
 169 }
 170
 171 void Component::Loader::source(const string &s)
 172 {
 173         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 174 }