new classes; yajl library

[chaz/yoink] / src / deserializer.hh

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+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ All rights reserved.
+ 
+ Redistribution   and   use  in  source  and  binary  forms,  with  or  without
+ modification, are permitted provided that the following conditions are met:
+ 
+   * Redistributions  of  source  code  must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+   * Redistributions  in binary form must reproduce the above copyright notice,
+     this  list of conditions and the following disclaimer in the documentation
+     and/or other materials provided with the distribution.
+ 
+ THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#ifndef _DESERIALIZER_HH_
+#define _DESERIALIZER_HH_
+
+/**
+ * @file deserializer.hh
+ * Deserialize structures and types from input on a stream.
+ */
+
+#include <istream>
+#include <string>
+#include <stdexcept>
+
+#include <boost/shared_ptr.hpp>
+
+
+namespace dc {
+
+
+class serializable;
+typedef boost::shared_ptr<serializable> serializable_ptr;
+
+class deserializer_impl;
+
+class deserializer
+{
+public:
+       deserializer(const std::string& filePath, bool comments = false,
+                       bool check = false);
+       deserializer(std::istream& input, bool comments = false, bool check = false);
+
+       serializable_ptr deserialize();
+
+       serializable* pullNext();
+       void pop();
+
+       struct parser_error : std::runtime_error
+       {
+               explicit parser_error(const std::string& what_arg) :
+                       std::runtime_error(what_arg) {}
+       };
+
+private:
+       boost::shared_ptr<deserializer_impl> impl;
+};
+
+
+} // namespace dc
+
+
+#endif // _DESERIALIZER_HH_
+