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-rw-r--r--ruby/default_environment.cc65
1 files changed, 65 insertions, 0 deletions
diff --git a/ruby/default_environment.cc b/ruby/default_environment.cc
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+++ b/ruby/default_environment.cc
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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <paludis_ruby.hh>
+#include <paludis/default_environment.hh>
+#include <paludis/util/compare.hh>
+#include <ruby.h>
+
+using namespace paludis;
+using namespace paludis::ruby;
+
+#define RUBY_FUNC_CAST(x) reinterpret_cast<VALUE (*)(...)>(x)
+
+namespace
+{
+ static VALUE c_default_environment;
+
+ VALUE
+ default_environment_query_use(int argc, VALUE * argv, VALUE)
+ {
+ try
+ {
+ if (1 == argc)
+ {
+ UseFlagName * use_flag_ptr;
+ Data_Get_Struct(argv[0], UseFlagName, use_flag_ptr);
+ return DefaultEnvironment::get_instance()->query_use(*use_flag_ptr, 0) ? Qtrue : Qfalse;
+ }
+ else
+ rb_raise(rb_eArgError, "DefaultEnvironment.query_use expects one or two arguments, but got %d", argc);
+ }
+ catch (const std::exception & e)
+ {
+ exception_to_ruby_exception(e);
+ }
+ }
+
+ void do_register_default_environment()
+ {
+ rb_require("singleton");
+
+ c_default_environment = rb_define_class("DefaultEnvironment", rb_cObject);
+ rb_funcall(rb_const_get(rb_cObject, rb_intern("Singleton")), rb_intern("included"), 1, c_default_environment);
+ rb_define_method(c_default_environment, "query_use", RUBY_FUNC_CAST(&default_environment_query_use), -1);
+ }
+}
+
+RegisterRubyClass::Register paludis_ruby_register_default_environment PALUDIS_ATTRIBUTE((used)) (&do_register_default_environment);
+