Imported Upstream version 3.2.2

[debian/gnuradio] / gnuradio-core / src / lib / gengen / gr_vector_source_b.cc

diff --git a/gnuradio-core/src/lib/gengen/gr_vector_source_b.cc b/gnuradio-core/src/lib/gengen/gr_vector_source_b.cc
new file mode 100644 (file)
index 0000000..3cff2fd
--- /dev/null
+++ b/gnuradio-core/src/lib/gengen/gr_vector_source_b.cc
@@ -0,0 +1,89 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2008 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.
+ */
+
+// WARNING: this file is machine generated.  Edits will be over written
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <gr_vector_source_b.h>
+#include <algorithm>
+#include <gr_io_signature.h>
+#include <stdexcept>
+
+
+gr_vector_source_b::gr_vector_source_b (const std::vector<unsigned char> &data, bool repeat, int vlen)
+  : gr_sync_block ("vector_source_b",
+              gr_make_io_signature (0, 0, 0),
+              gr_make_io_signature (1, 1, sizeof (unsigned char) * vlen)),
+    d_data (data),
+    d_repeat (repeat),
+    d_offset (0),
+    d_vlen (vlen)
+{
+  if ((data.size() % vlen) != 0)
+    throw std::invalid_argument("data length must be a multiple of vlen");
+}
+
+int
+gr_vector_source_b::work (int noutput_items,
+                   gr_vector_const_void_star &input_items,
+                   gr_vector_void_star &output_items)
+{
+  unsigned char *optr = (unsigned char *) output_items[0];
+
+  if (d_repeat){
+    unsigned int size = d_data.size ();
+    unsigned int offset = d_offset;
+    
+    if (size == 0)
+      return -1;
+    
+    for (int i = 0; i < noutput_items*d_vlen; i++){
+      optr[i] = d_data[offset++];
+      if (offset >= size)
+       offset = 0;
+    }
+    d_offset = offset;
+    return noutput_items;
+  }
+
+  else {
+    if (d_offset >= d_data.size ())
+      return -1;                       // Done!
+
+    unsigned n = std::min ((unsigned) d_data.size () - d_offset,
+                          (unsigned) noutput_items*d_vlen);
+    for (unsigned i = 0; i < n; i++)
+      optr[i] = d_data[d_offset + i];
+
+    d_offset += n;
+    return n/d_vlen;
+  }
+}
+
+gr_vector_source_b_sptr
+gr_make_vector_source_b (const std::vector<unsigned char> &data, bool repeat, int vlen)
+{
+  return gr_vector_source_b_sptr (new gr_vector_source_b (data, repeat, vlen));
+}
+