1 files changed, 92 insertions, 0 deletions
diff --git a/src/Common/XmlRequest.h b/src/Common/XmlRequest.h
new file mode 100644
index 0000000..0de0291
--- /dev/null
+++ b/src/Common/XmlRequest.h
@@ -0,0 +1,92 @@
+/*
+ * Request.h
+ *
+ * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MAD_COMMON_XMLREQUEST_H_
+#define MAD_COMMON_XMLREQUEST_H_
+
+#include "XmlRequestBase.h"
+#include "Exception.h"
+
+#include <memory>
+#include <sigc++/adaptors/hide.h>
+
+namespace Mad {
+namespace Common {
+
+template<typename T = void> class XmlRequest : public XmlRequestBase {
+  private:
+    sigc::signal<void,const XmlRequest<T>&> finished;
+
+    std::auto_ptr<T> res;
+    Exception exp;
+
+  public:
+    typedef sigc::slot<void,const XmlRequest<T>&> slot_type;
+
+  protected:
+    XmlRequest(slot_type slot) : exp(Exception::NOT_FINISHED) {
+      finished.connect(slot);
+      finished.connect(sigc::hide(signalFinished().make_slot()));
+    }
+
+    void finish(std::auto_ptr<T> result) {res = result; finished(*this);}
+    void finish(const T& result) {res.reset(new T(result)); finished(*this);}
+    void finishWithError(const Exception &e) {exp = e; finished(*this);}
+
+  public:
+    const T& getResult() const throw(Exception) {
+      if(res.get())
+        return *res;
+
+      throw exp;
+    }
+};
+
+template<> class XmlRequest<void> : public XmlRequestBase {
+  private:
+    sigc::signal<void,const XmlRequest<void>&> finished;
+
+    bool isFinished;
+    Exception exp;
+
+  public:
+    typedef sigc::slot<void,const XmlRequest<void>&> slot_type;
+
+  protected:
+    XmlRequest(slot_type slot) : isFinished(false), exp(Exception::NOT_FINISHED) {
+      finished.connect(slot);
+      finished.connect(sigc::hide(signalFinished().make_slot()));
+    }
+
+    void finish() {isFinished = true; finished(*this);}
+    void finishWithError(const Exception &e) {exp = e; finished(*this);}
+
+  public:
+    void getResult() const throw(Exception) {
+      if(isFinished)
+        return;
+
+      throw exp;
+    }
+};
+
+}
+}
+
+#endif /* MAD_COMMON_XMLREQUEST_H_ */