Add directory extraction to GN path handling.

tools/gn/function_get_target_outputs.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "tools/gn/build_settings.h"
 #include "tools/gn/file_template.h"
 #include "tools/gn/functions.h"
 #include "tools/gn/ninja_helper.h"
 #include "tools/gn/parse_tree.h"
 #include "tools/gn/settings.h"
 #include "tools/gn/target.h"
 #include "tools/gn/value.h"
 
 namespace functions {
 
 namespace {
 
-void GetOutputsForTarget(const BuildSettings* build_settings,
+void GetOutputsForTarget(const Settings* settings,
                          const Target* target,
                          std::vector<std::string>* ret) {
   switch (target->output_type()) {
     case Target::ACTION:
     case Target::COPY_FILES: {
       // Actions and copy targets: return the outputs specified.
       const std::vector<SourceFile>& outs = target->action_values().outputs();
       ret->reserve(outs.size());
       for (size_t i = 0; i < outs.size(); i++)
         ret->push_back(outs[i].value());
       break;
     }
 
     case Target::ACTION_FOREACH: {
       // Action_foreach: return the result of the template in the outputs.
-      FileTemplate file_template(target->action_values().outputs());
+      FileTemplate file_template(settings, target->action_values().outputs());
       const std::vector<SourceFile>& sources = target->sources();
       for (size_t i = 0; i < sources.size(); i++)
-        file_template.ApplyString(sources[i].value(), ret);
+        file_template.Apply(sources[i], ret);
       break;
     }
 
     case Target::EXECUTABLE:
     case Target::SHARED_LIBRARY:
     case Target::STATIC_LIBRARY:
       // Return the resulting binary file. Currently, fall through to the
       // Ninja helper below which will compute the main output name.
       //
       // TODO(brettw) some targets have secondary files which should go into
       // the list after the main (like shared libraries on Windows have an
       // import library).
     case Target::GROUP:
     case Target::SOURCE_SET: {
       // These return the stamp file, which is computed by the NinjaHelper.
-      NinjaHelper helper(build_settings);
+      NinjaHelper helper(settings->build_settings());
       OutputFile output_file = helper.GetTargetOutputFile(target);
 
       // The output file is relative to the build dir.
-      std::string absolute_output_file = build_settings->build_dir().value();
+      std::string absolute_output_file =
+          settings->build_settings()->build_dir().value();
       absolute_output_file.append(output_file.value());
 
       ret->push_back(absolute_output_file);
       break;
     }
 
     default:
       NOTREACHED();
   }
 }
@@ skipping 93 matching lines @@
 
   if (!target) {
     *err = Err(function, "Target not found in this context.",
         label.GetUserVisibleName(false) +
         "\nwas not found. get_target_outputs() can only be used for targets\n"
         "previously defined in the current file.");
     return Value();
   }
 
   std::vector<std::string> files;
-  GetOutputsForTarget(scope->settings()->build_settings(), target, &files);
+  GetOutputsForTarget(scope->settings(), target, &files);
 
   Value ret(function, Value::LIST);
   ret.list_value().reserve(files.size());
   for (size_t i = 0; i < files.size(); i++)
     ret.list_value().push_back(Value(function, files[i]));
 
   return ret;
 }
 
 }  // namespace functions