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+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2012 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_PAGER_FLEX_PARSE_IMPL_H
+#define INCLUDED_PAGER_FLEX_PARSE_IMPL_H
+
+#include <pager/flex_parse.h>
+#include <gr_sync_block.h>
+#include <gr_msg_queue.h>
+#include "flex_modes.h"
+#include <sstream>
+
+namespace gr {
+ namespace pager {
+
+#define FIELD_DELIM ((unsigned char)128)
+
+ class flex_parse_impl : public flex_parse
+ {
+ private:
+ std::ostringstream d_payload;
+ gr_msg_queue_sptr d_queue; // Destination for decoded pages
+
+ int d_count; // Count of received codewords
+ int d_datawords[88]; // 11 blocks of 8 32-bit words
+
+ page_type_t d_type; // Current page type
+ int d_capcode; // Current page destination address
+ bool d_laddr; // Current page has long address
+ float d_freq; // Channel frequency
+
+ void parse_data(); // Handle a frame's worth of data
+ void parse_capcode(int32_t aw1, int32_t aw2);
+ void parse_alphanumeric(int mw1, int mw2, int j);
+ void parse_numeric(int mw1, int mw2, int j);
+ void parse_tone_only();
+ void parse_unknown(int mw1, int mw2);
+
+ public:
+ flex_parse_impl(gr_msg_queue_sptr queue, float freq);
+ ~flex_parse_impl();
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace pager */
+} /* namespace gr */
+
+#endif /* INCLUDED_PAGER_FLEX_PARSE_IMPL_H */