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authorjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2009-07-20 03:47:14 +0000
committerjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2009-07-20 03:47:14 +0000
commit6f50256f958ac60d5fc9212b24d86777c1b2ec0d (patch)
treeafdde009cf81d93bcb84027937c62ef71194d9fd /pmt/src/lib/pmt_serialize.cc
parentaff2d8ad842994b1f58e0dc56b7d2fd6229377a9 (diff)
Merged r11452:11459 from jcorgan/pmt-gruel into trunk. Trunk passes distcheck.
* Merges libpmt into libgruel * Modifies libmblock to use libgruel gruel::pmt_t will be the fundamental msg content for the new message passing implemention for 3.3. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11460 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'pmt/src/lib/pmt_serialize.cc')
-rw-r--r--pmt/src/lib/pmt_serialize.cc353
1 files changed, 0 insertions, 353 deletions
diff --git a/pmt/src/lib/pmt_serialize.cc b/pmt/src/lib/pmt_serialize.cc
deleted file mode 100644
index 1f1b57c891..0000000000
--- a/pmt/src/lib/pmt_serialize.cc
+++ /dev/null
@@ -1,353 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <vector>
-#include <pmt.h>
-#include "pmt_int.h"
-#include "pmt_serial_tags.h"
-
-static pmt_t parse_pair(std::streambuf &sb);
-
-// ----------------------------------------------------------------
-// output primitives
-// ----------------------------------------------------------------
-
-static bool
-serialize_untagged_u8(unsigned int i, std::streambuf &sb)
-{
- return sb.sputc((i >> 0) & 0xff) != std::streambuf::traits_type::eof();
-}
-
-// always writes big-endian
-static bool
-serialize_untagged_u16(unsigned int i, std::streambuf &sb)
-{
- sb.sputc((i >> 8) & 0xff);
- return sb.sputc((i >> 0) & 0xff) != std::streambuf::traits_type::eof();
-}
-
-// always writes big-endian
-static bool
-serialize_untagged_u32(unsigned int i, std::streambuf &sb)
-{
- sb.sputc((i >> 24) & 0xff);
- sb.sputc((i >> 16) & 0xff);
- sb.sputc((i >> 8) & 0xff);
- return sb.sputc((i >> 0) & 0xff) != std::streambuf::traits_type::eof();
-}
-
-#if 0
-// always writes big-endian
-static bool
-serialize_untagged_u64(uint64_t i, std::streambuf &sb)
-{
- sb.sputc((i >> 56) & 0xff);
- sb.sputc((i >> 48) & 0xff);
- sb.sputc((i >> 40) & 0xff);
- sb.sputc((i >> 32) & 0xff);
- sb.sputc((i >> 24) & 0xff);
- sb.sputc((i >> 16) & 0xff);
- sb.sputc((i >> 8) & 0xff);
- return sb.sputc((i >> 0) & 0xff) != std::streambuf::traits_type::eof();
-}
-#endif
-
-// ----------------------------------------------------------------
-// input primitives
-// ----------------------------------------------------------------
-
-
-// always reads big-endian
-static bool
-deserialize_untagged_u8(uint8_t *ip, std::streambuf &sb)
-{
- std::streambuf::traits_type::int_type t;
- int i;
-
- t = sb.sbumpc();
- i = t & 0xff;
-
- *ip = i;
- return t != std::streambuf::traits_type::eof();
-}
-
-// always reads big-endian
-static bool
-deserialize_untagged_u16(uint16_t *ip, std::streambuf &sb)
-{
- std::streambuf::traits_type::int_type t;
- int i;
-
- t = sb.sbumpc();
- i = t & 0xff;
-
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
-
- *ip = i;
- return t != std::streambuf::traits_type::eof();
-}
-
-// always reads big-endian
-static bool
-deserialize_untagged_u32(uint32_t *ip, std::streambuf &sb)
-{
- std::streambuf::traits_type::int_type t;
- int i;
-
- t = sb.sbumpc();
- i = t & 0xff;
-
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
-
- *ip = i;
- return t != std::streambuf::traits_type::eof();
-}
-
-#if 0
-// always reads big-endian
-static bool
-deserialize_untagged_u64(uint64_t *ip, std::streambuf &sb)
-{
- std::streambuf::traits_type::int_type t;
- uint64_t i;
-
- t = sb.sbumpc();
- i = t & 0xff;
-
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
- t = sb.sbumpc();
- i = (i << 8) | (t & 0xff);
-
- *ip = i;
- return t != std::streambuf::traits_type::eof();
-}
-#endif
-
-/*
- * Write portable byte-serial representation of \p obj to \p sb
- *
- * N.B., Circular structures cause infinite recursion.
- */
-bool
-pmt_serialize(pmt_t obj, std::streambuf &sb)
-{
- bool ok = true;
-
- tail_recursion:
-
- if (pmt_is_bool(obj)){
- if (pmt_eq(obj, PMT_T))
- return serialize_untagged_u8(PST_TRUE, sb);
- else
- return serialize_untagged_u8(PST_FALSE, sb);
- }
-
- if (pmt_is_null(obj))
- return serialize_untagged_u8(PST_NULL, sb);
-
- if (pmt_is_symbol(obj)){
- const std::string s = pmt_symbol_to_string(obj);
- size_t len = s.size();
- ok = serialize_untagged_u8(PST_SYMBOL, sb);
- ok &= serialize_untagged_u16(len, sb);
- for (size_t i = 0; i < len; i++)
- ok &= serialize_untagged_u8(s[i], sb);
- return ok;
- }
-
- if (pmt_is_pair(obj)){
- ok = serialize_untagged_u8(PST_PAIR, sb);
- ok &= pmt_serialize(pmt_car(obj), sb);
- if (!ok)
- return false;
- obj = pmt_cdr(obj);
- goto tail_recursion;
- }
-
- if (pmt_is_number(obj)){
-
- if (pmt_is_integer(obj)){
- long i = pmt_to_long(obj);
- if (sizeof(long) > 4){
- if (i < -2147483647 || i > 2147483647)
- throw pmt_notimplemented("pmt_serialize (64-bit integers)", obj);
- }
- ok = serialize_untagged_u8(PST_INT32, sb);
- ok &= serialize_untagged_u32(i, sb);
- return ok;
- }
-
- if (pmt_is_real(obj))
- throw pmt_notimplemented("pmt_serialize (real)", obj);
-
- if (pmt_is_complex(obj))
- throw pmt_notimplemented("pmt_serialize (complex)", obj);
- }
-
- if (pmt_is_vector(obj))
- throw pmt_notimplemented("pmt_serialize (vector)", obj);
-
- if (pmt_is_uniform_vector(obj))
- throw pmt_notimplemented("pmt_serialize (uniform-vector)", obj);
-
- if (pmt_is_dict(obj))
- throw pmt_notimplemented("pmt_serialize (dict)", obj);
-
-
- throw pmt_notimplemented("pmt_serialize (?)", obj);
-}
-
-/*
- * Create obj from portable byte-serial representation
- *
- * Returns next obj from streambuf, or PMT_EOF at end of file.
- * Throws exception on malformed input.
- */
-pmt_t
-pmt_deserialize(std::streambuf &sb)
-{
- uint8_t tag;
- //uint8_t u8;
- uint16_t u16;
- uint32_t u32;
- //uint32_t u64;
- static char tmpbuf[1024];
-
- if (!deserialize_untagged_u8(&tag, sb))
- return PMT_EOF;
-
- switch (tag){
- case PST_TRUE:
- return PMT_T;
-
- case PST_FALSE:
- return PMT_F;
-
- case PST_NULL:
- return PMT_NIL;
-
- case PST_SYMBOL:
- if (!deserialize_untagged_u16(&u16, sb))
- goto error;
- if (u16 > sizeof(tmpbuf))
- throw pmt_notimplemented("pmt_deserialize: very long symbol",
- PMT_F);
- if (sb.sgetn(tmpbuf, u16) != u16)
- goto error;
- return pmt_intern(std::string(tmpbuf, u16));
-
- case PST_INT32:
- if (!deserialize_untagged_u32(&u32, sb))
- goto error;
- return pmt_from_long((int32_t) u32);
-
- case PST_PAIR:
- return parse_pair(sb);
-
- case PST_DOUBLE:
- case PST_COMPLEX:
- case PST_VECTOR:
- case PST_DICT:
- case PST_UNIFORM_VECTOR:
- case PST_COMMENT:
- throw pmt_notimplemented("pmt_deserialize: tag value = ",
- pmt_from_long(tag));
-
- default:
- throw pmt_exception("pmt_deserialize: malformed input stream, tag value = ",
- pmt_from_long(tag));
- }
-
- error:
- throw pmt_exception("pmt_deserialize: malformed input stream", PMT_F);
-}
-
-/*
- * This is a mostly non-recursive implementation that allows us to
- * deserialize very long lists w/o exhausting the evaluation stack.
- *
- * On entry we've already eaten the PST_PAIR tag.
- */
-pmt_t
-parse_pair(std::streambuf &sb)
-{
- uint8_t tag;
- pmt_t val, expr, lastnptr, nptr;
-
- //
- // Keep appending nodes until we get a non-PAIR cdr.
- //
- lastnptr = PMT_NIL;
- while (1){
- expr = pmt_deserialize(sb); // read the car
-
- nptr = pmt_cons(expr, PMT_NIL); // build new cell
- if (pmt_is_null(lastnptr))
- val = nptr;
- else
- pmt_set_cdr(lastnptr, nptr);
- lastnptr = nptr;
-
- if (!deserialize_untagged_u8(&tag, sb)) // get tag of cdr
- throw pmt_exception("pmt_deserialize: malformed input stream", PMT_F);
-
- if (tag == PST_PAIR)
- continue; // keep on looping...
-
- if (tag == PST_NULL){
- expr = PMT_NIL;
- break;
- }
-
- //
- // default: push tag back and use pmt_deserialize to get the cdr
- //
- sb.sungetc();
- expr = pmt_deserialize(sb);
- break;
- }
-
- //
- // At this point, expr contains the value of the final cdr in the list.
- //
- pmt_set_cdr(lastnptr, expr);
- return val;
-}
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