+#include <msp/fs/utils.h>
+#include "builder.h"
+#include "executable.h"
+#include "externaltask.h"
+#include "sourcegenerator.h"
+#include "sourcepackage.h"
+#include "templatefile.h"
+
+using namespace std;
+using namespace Msp;
+
+SourceGenerator::SourceGenerator(Builder &b, const SourcePackage &p, const string &t):
+ Tool(b, t),
+ package(p)
+{ }
+
+Target *SourceGenerator::create_source(const Component &comp, const FS::Path &path) const
+{
+ return new TemplateFile(builder, comp, path);
+}
+
+Target *SourceGenerator::create_target(const list<Target *> &sources, const string &)
+{
+ if(sources.size()!=1)
+ throw invalid_argument("SourceGenerator::create_target");
+
+ TemplateFile &tmpl = dynamic_cast<TemplateFile &>(*sources.front());
+ const Component *comp = tmpl.get_component();
+ const SourcePackage *pkg = tmpl.get_package();
+ string base = FS::basepart(FS::basename(tmpl.get_path()));
+
+ Target *primary = 0;
+ for(list<string>::const_iterator i=out_suffixes.begin(); i!=out_suffixes.end(); ++i)
+ {
+ Tool *tool = builder.get_toolchain().get_tool_for_suffix(*i, true);
+ if(tool)
+ {
+ FS::Path fn = pkg->get_temp_directory()/comp->get_name()/(base+*i);
+ Target *target = tool->create_source(*comp, fn);
+ target->set_tool(*this);
+ target->add_dependency(tmpl);
+ if(primary)
+ primary->add_side_effect(*target);
+ else
+ primary = target;
+ }
+ }
+
+ return primary;
+}
+
+void SourceGenerator::do_prepare()
+{
+ FS::Path exe_fn = package.get_source_directory()/command;
+ executable = builder.get_vfs().get_target(exe_fn);
+ if(!executable)
+ executable = new Executable(builder, exe_fn);
+}
+
+Task *SourceGenerator::run(const Target &target) const
+{
+ const SourceFile &out_src = dynamic_cast<const SourceFile &>(target);
+ const FS::Path &work_dir = out_src.get_package()->get_source_directory();
+
+ vector<string> args;
+ args.push_back(executable->get_path().str());
+
+ const Target::Dependencies &deps = target.get_dependencies();
+ for(Target::Dependencies::const_iterator i=deps.begin(); i!=deps.end(); ++i)
+ if(const TemplateFile *tmpl = dynamic_cast<const TemplateFile *>(*i))
+ args.push_back(FS::relative(tmpl->get_path(), work_dir).str());
+
+ args.push_back(FS::relative(out_src.get_path(), work_dir).str());
+
+ return new ExternalTask(args, work_dir);
+}
+
+
+SourceGenerator::Loader::Loader(SourceGenerator &sg):
+ DataFile::ObjectLoader<SourceGenerator>(sg)
+{
+ add("command", &Loader::command);
+ add("in_suffix", &Loader::in_suffix);
+ add("out_suffix", &Loader::out_suffix);
+}
+
+void SourceGenerator::Loader::command(const string &c)
+{
+ obj.set_command(c);
+}
+
+void SourceGenerator::Loader::in_suffix(const string &s)
+{
+ obj.input_suffixes.push_back(s);
+}
+
+void SourceGenerator::Loader::out_suffix(const string &s)
+{
+ obj.out_suffixes.push_back(s);
+}