# HG changeset patch # User Florian Pose # Date 1269870344 -7200 # Node ID 02aedba35b94aebf250dd928c0b57bc339004f40 # Parent a502f542f63d14cc907454bf147ba21a48573abb Implemented sign-and-magnitude integer types. diff -r a502f542f63d -r 02aedba35b94 tool/DataTypeHandler.cpp --- a/tool/DataTypeHandler.cpp Mon Mar 29 15:45:02 2010 +0200 +++ b/tool/DataTypeHandler.cpp Mon Mar 29 15:45:44 2010 +0200 @@ -75,7 +75,9 @@ << " int8, int16, int32, int64," << endl << " uint8, uint16, uint32, uint64," << endl << " float, double" << endl - << " string, octet_string, unicode_string." << endl; + << " string, octet_string, unicode_string." << endl + << "For sign-and-magnitude coding, use the following types:" << endl + << " sm8, sm16, sm32, sm64" << endl; return s.str(); } @@ -232,6 +234,17 @@ throw runtime_error(err.str()); } + case 0xfffb: // sm8 + case 0xfffc: // sm16 + case 0xfffd: // sm32 + case 0xfffe: // sm64 + { + stringstream err; + err << "Sign-and-magitude types not yet" + " implemented for input direction."; + throw runtime_error(err.str()); + } + default: { stringstream err; @@ -354,6 +367,43 @@ << " " << dec << val << endl; } break; + case 0xfffb: // sm8 + { + int8_t val = *(uint8_t *) data; + int8_t smval = val < 0 ? (val & 0x7f) * -1 : val; + + o << "0x" << hex << setw(2) << (int) val + << " " << dec << (int) smval << endl; + } + break; + case 0xfffc: // sm16 + { + int16_t val = le16_to_cpup(data); + int16_t smval = val < 0 ? (val & 0x7fff) * -1 : val; + + o << "0x" << hex << setw(4) << val + << " " << dec << smval << endl; + } + break; + case 0xfffd: // sm32 + { + int32_t val = le32_to_cpup(data); + int32_t smval = val < 0 ? (val & 0x7fffffffUL) * -1 : val; + + o << "0x" << hex << setw(8) << val + << " " << dec << smval << endl; + } + break; + case 0xfffe: // sm64 + { + int64_t val = le64_to_cpup(data); + int64_t smval = + val < 0 ? (val & 0x7fffffffffffffffULL) * -1 : val; + + o << "0x" << hex << setw(16) << val + << " " << dec << smval << endl; + } + break; default: printRawData(o, (const uint8_t *) data, dataSize); // FIXME @@ -406,6 +456,10 @@ {"uint56", 0x001a, 7}, {"uint64", 0x001b, 8}, // reserved 0x001c-0x001f + {"sm8", 0xfffb, 1}, // sign-and-magnitude coding + {"sm16", 0xfffc, 2}, // sign-and-magnitude coding + {"sm32", 0xfffd, 4}, // sign-and-magnitude coding + {"sm64", 0xfffe, 8}, // sign-and-magnitude coding {"raw", 0xffff, 0}, {} };