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 "booleanevaluator.h"
   8 #include "builder.h"
   9 #include "component.h"
  10 #include "sourcepackage.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14
  15 Component::Component(SourcePackage &p, const string &n):
  16         package(p),
  17         name(n),
  18         install(false),
  19         deflt(true)
  20 { }
  21
  22 void Component::prepare()
  23 {
  24         for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  25                 (*i)->prepare();
  26 }
  27
  28 void Component::create_build_info()
  29 {
  30         BuildInfo final_build_info;
  31
  32         const Package::Requirements &pkg_reqs = package.get_required_packages();
  33         Package::Requirements direct_reqs = requires;
  34         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  35
  36         Package::Requirements all_reqs = direct_reqs;
  37         for(Package::Requirements::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  38         {
  39                 BuildInfo::UpdateLevel level = BuildInfo::CHAINED;
  40                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  41                         level = BuildInfo::DEPENDENCY;
  42                 final_build_info.update_from((*i)->get_exported_build_info(), level);
  43
  44                 const Package::Requirements &reqs = (*i)->get_required_packages();
  45                 for(Package::Requirements::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  46                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  47                                 all_reqs.push_back(*j);
  48         }
  49
  50         final_build_info.update_from(package.get_build_info());
  51         final_build_info.update_from(build_info);
  52         build_info = final_build_info;
  53
  54         for(BuildInfo::PathList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  55                 *i = (package.get_source_directory() / *i).str();
  56         for(BuildInfo::PathList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  57                 *i = (package.get_source_directory() / *i).str();
  58 }
  59
  60 BuildInfo Component::get_build_info_for_path(const FS::Path &path) const
  61 {
  62         // XXX Cache these and check that the directories actually exist before adding them
  63         BuildInfo binfo = build_info;
  64         if(!overlays.empty())
  65         {
  66                 FS::Path dir = FS::dirname(path);
  67                 string last = FS::basename(dir);
  68                 for(OverlayList::const_iterator i=overlays.begin(); i!=overlays.end(); ++i)
  69                         if(last==*i)
  70                         {
  71                                 dir = FS::dirname(dir);
  72                                 break;
  73                         }
  74
  75                 for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  76                         if(dir==*i)
  77                         {
  78                                 binfo.local_incpath.push_back(dir);
  79                                 for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  80                                         binfo.local_incpath.push_back(*i/ *j);
  81                         }
  82         }
  83         return binfo;
  84 }
  85
  86 Component::SourceList Component::collect_source_files() const
  87 {
  88         SourceList files;
  89         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  90         {
  91                 FS::Path path(*i);
  92                 if(FS::is_dir(path))
  93                 {
  94                         SourceList dirs;
  95                         dirs.push_back(path);
  96                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
  97                         {
  98                                 FS::Path opath = path / *j;
  99                                 if(FS::is_dir(opath))
 100                                         dirs.push_back(opath);
 101                         }
 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                                         files.push_back(*j / *k);
 108                         }
 109                 }
 110                 else
 111                 {
 112                         files.push_back(path);
 113                         for(OverlayList::const_iterator j=overlays.begin(); j!=overlays.end(); ++j)
 114                         {
 115                                 FS::Path opath = FS::dirname(path)/ *j/FS::basename(path);
 116                                 if(FS::is_reg(opath))
 117                                         files.push_back(opath);
 118                         }
 119                 }
 120         }
 121
 122         return files;
 123 }
 124
 125
 126 Component::Loader::Loader(Component &c):
 127         DataFile::ObjectLoader<Component>(c)
 128 {
 129         add("if_arch",         &Loader::if_arch);
 130         add("if_feature",      &Loader::if_feature);
 131         add("overlay",         &Loader::overlay);
 132         add("source",          &Loader::source);
 133         add("install",         &Component::install);
 134         add("install_map",     &Loader::install_map);
 135         add("build_info",      &Loader::build_info);
 136         add("require",         &Loader::require);
 137         add("default",         &Component::deflt);
 138 }
 139
 140 void Component::Loader::build_info()
 141 {
 142         load_sub(obj.build_info);
 143 }
 144
 145 void Component::Loader::if_arch(const string &cond)
 146 {
 147         BooleanEvaluator eval(sigc::hide<1>(sigc::mem_fun(&obj.package.get_builder().get_current_arch(), &Architecture::match_name)), false);
 148         bool match = eval.evaluate(cond);
 149         obj.package.get_builder().get_logger().log("configure",
 150                 format("%s/%s: arch %s %smatched", obj.package.get_name(), obj.name, cond, (match ? "" : "not ")));
 151         if(match)
 152                 load_sub_with(*this);
 153 }
 154
 155 void Component::Loader::if_feature(const string &cond)
 156 {
 157         BooleanEvaluator eval(sigc::mem_fun(&obj.package, &SourcePackage::match_feature));
 158         bool match = eval.evaluate(cond);
 159         obj.package.get_builder().get_logger().log("configure",
 160                 format("%s/%s: feature %s %smatched", obj.package.get_name(), obj.name, cond, (match ? "" : "not ")));
 161         if(match)
 162                 load_sub_with(*this);
 163 }
 164
 165 void Component::Loader::install_map()
 166 {
 167         load_sub(obj.install_map, obj.package.get_source_directory());
 168 }
 169
 170 void Component::Loader::overlay(const string &o)
 171 {
 172         obj.overlays.push_back(o);
 173 }
 174
 175 void Component::Loader::require(const string &n)
 176 {
 177         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 178         if(req)
 179                 obj.requires.push_back(req);
 180         else
 181                 obj.problems.push_back(format("Required package %s not found", n));
 182 }
 183
 184 void Component::Loader::source(const string &s)
 185 {
 186         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 187 }