diff options
Diffstat (limited to 'gruel/src/lib/pmt')
| -rw-r--r-- | gruel/src/lib/pmt/Makefile.am | 10 | ||||
| -rw-r--r-- | gruel/src/lib/pmt/pmt_io.cc | 10 | ||||
| -rw-r--r-- | gruel/src/lib/pmt/pmt_serialize.cc | 107 |
3 files changed, 117 insertions, 10 deletions
diff --git a/gruel/src/lib/pmt/Makefile.am b/gruel/src/lib/pmt/Makefile.am index d3efc1afa..0c8e12dc3 100644 --- a/gruel/src/lib/pmt/Makefile.am +++ b/gruel/src/lib/pmt/Makefile.am @@ -1,5 +1,5 @@ # -# Copyright 2008,2009,2010 Free Software Foundation, Inc. +# Copyright 2008,2009,2010,2011 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -48,7 +48,7 @@ python_built_sources = $(GENERATED_H) $(GENERATED_CC) PMT_SERIAL_TAGS_H = $(abs_top_builddir)/gruel/src/include/gruel/pmt_serial_tags.h BUILT_SOURCES = $(python_built_sources) $(PMT_SERIAL_TAGS_H) -EXTRA_DIST = $(code_generator) +EXTRA_DIST += $(code_generator) # ---------------------------------------------------------------- @@ -99,7 +99,7 @@ gen_sources_deps = $(core_generator) par_gen_command = PYTHONPATH=$(top_srcdir)/gruel/src/lib/pmt srcdir=$(srcdir) $(PYTHON) $(srcdir)/generate_unv.py include $(top_srcdir)/Makefile.par.gen -# Rule to create the build header file using GUILE +# Rule to create the build header file using python # Doesn't need parallel protections because there is a single target -$(PMT_SERIAL_TAGS_H): $(srcdir)/../../scheme/gnuradio/gen-serial-tags.scm $(srcdir)/../../scheme/gnuradio/pmt-serial-tags.scm - $(RUN_GUILE) $(srcdir)/../../scheme/gnuradio/gen-serial-tags.scm $(srcdir)/../../scheme/gnuradio/pmt-serial-tags.scm $(PMT_SERIAL_TAGS_H) +$(PMT_SERIAL_TAGS_H): $(top_srcdir)/gruel/src/scheme/gnuradio/gen-serial-tags.py $(top_srcdir)/gruel/src/scheme/gnuradio/pmt-serial-tags.scm + $(PYTHON) $^ $@ diff --git a/gruel/src/lib/pmt/pmt_io.cc b/gruel/src/lib/pmt/pmt_io.cc index b909c1b64..1214ff588 100644 --- a/gruel/src/lib/pmt/pmt_io.cc +++ b/gruel/src/lib/pmt/pmt_io.cc @@ -26,6 +26,7 @@ #include <gruel/pmt.h> #include "pmt_int.h" #include <sstream> +#include <iostream> namespace pmt { @@ -156,3 +157,12 @@ pmt_deserialize(std::istream &source) } } /* namespace pmt */ + + +void +pmt::pmt_print(pmt_t v) +{ + std::cout << pmt_write_string(v) << std::endl; +} + + diff --git a/gruel/src/lib/pmt/pmt_serialize.cc b/gruel/src/lib/pmt/pmt_serialize.cc index 937423a93..184a31e6b 100644 --- a/gruel/src/lib/pmt/pmt_serialize.cc +++ b/gruel/src/lib/pmt/pmt_serialize.cc @@ -59,6 +59,26 @@ serialize_untagged_u32(unsigned int i, std::streambuf &sb) return sb.sputc((i >> 0) & 0xff) != std::streambuf::traits_type::eof(); } +static bool +serialize_untagged_f64(double i, std::streambuf &sb) +{ + typedef union { + double id; + uint64_t ii; + } iu_t; + iu_t iu; + iu.id = i; + sb.sputc((iu.ii >> 56) & 0xff); + sb.sputc((iu.ii >> 48) & 0xff); + sb.sputc((iu.ii >> 40) & 0xff); + sb.sputc((iu.ii >> 32) & 0xff); + sb.sputc((iu.ii >> 24) & 0xff); + sb.sputc((iu.ii >> 16) & 0xff); + sb.sputc((iu.ii >> 8) & 0xff); + return sb.sputc((iu.ii >> 0) & 0xff) != std::streambuf::traits_type::eof(); +} + + #if 0 // always writes big-endian static bool @@ -163,6 +183,41 @@ deserialize_untagged_u64(uint64_t *ip, std::streambuf &sb) } #endif +static bool +deserialize_untagged_f64(double *ip, std::streambuf &sb) +{ + std::streambuf::traits_type::int_type t; + + typedef union { + double id; + uint64_t ii; + } iu_t; + + iu_t iu; + + t = sb.sbumpc(); + iu.ii = t & 0xff; + + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + t = sb.sbumpc(); + iu.ii = (iu.ii<<8) | (t & 0xff); + + *ip = iu.id; + return t != std::streambuf::traits_type::eof(); +} + + /* * Write portable byte-serial representation of \p obj to \p sb * @@ -172,7 +227,7 @@ bool pmt_serialize(pmt_t obj, std::streambuf &sb) { bool ok = true; - + tail_recursion: if (pmt_is_bool(obj)){ @@ -217,11 +272,21 @@ pmt_serialize(pmt_t obj, std::streambuf &sb) return ok; } - if (pmt_is_real(obj)) - throw pmt_notimplemented("pmt_serialize (real)", obj); + if (pmt_is_real(obj)){ + float i = pmt_to_double(obj); + ok = serialize_untagged_u8(PST_DOUBLE, sb); + ok &= serialize_untagged_f64(i, sb); + return ok; + } + + if (pmt_is_complex(obj)){ + std::complex<double> i = pmt_to_complex(obj); + ok = serialize_untagged_u8(PST_COMPLEX, sb); + ok &= serialize_untagged_f64(i.real(), sb); + ok &= serialize_untagged_f64(i.imag(), sb); + return ok; + } - if (pmt_is_complex(obj)) - throw pmt_notimplemented("pmt_serialize (complex)", obj); } if (pmt_is_vector(obj)) @@ -251,6 +316,7 @@ pmt_deserialize(std::streambuf &sb) uint16_t u16; uint32_t u32; //uint32_t u64; + double f64; static char tmpbuf[1024]; if (!deserialize_untagged_u8(&tag, sb)) @@ -285,7 +351,18 @@ pmt_deserialize(std::streambuf &sb) return parse_pair(sb); case PST_DOUBLE: + if(!deserialize_untagged_f64(&f64, sb)) + goto error; + return pmt_from_double( f64 ); + case PST_COMPLEX: + { + double r,i; + if(!deserialize_untagged_f64(&r, sb) && !deserialize_untagged_f64(&i, sb)) + goto error; + return pmt_make_rectangular( r,i ); + } + case PST_VECTOR: case PST_DICT: case PST_UNIFORM_VECTOR: @@ -302,6 +379,26 @@ pmt_deserialize(std::streambuf &sb) throw pmt_exception("pmt_deserialize: malformed input stream", PMT_F); } + +/* + * provide a simple string accessor to the serialized pmt form + */ +std::string pmt_serialize_str(pmt_t obj){ + std::stringbuf sb; + pmt_serialize(obj, sb); + return sb.str(); +} + + +/* + * provide a simple string accessor to the deserialized pmt form + */ +pmt_t pmt_deserialize_str(std::string s){ + std::stringbuf sb(s); + return pmt_deserialize(sb); +} + + /* * This is a mostly non-recursive implementation that allows us to * deserialize very long lists w/o exhausting the evaluation stack. |