| vlm | 337167e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2005 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| 3 | * Redistribution and modifications are permitted subject to BSD license. |
| 4 | */ |
| 5 | #ifndef _PER_DECODER_H_ |
| 6 | #define _PER_DECODER_H_ |
| 7 | |
| 8 | #include <asn_application.h> |
| 9 | #include <per_support.h> |
| 10 | |
| 11 | #ifdef __cplusplus |
| 12 | extern "C" { |
| 13 | #endif |
| 14 | |
| 15 | |
| 16 | /* |
| 17 | * Pre-computed PER constraints. |
| 18 | */ |
| 19 | enum asn_per_constraint_flags { |
| 20 | APC_UNCONSTRAINED = 0x0, /* No PER visible constraints */ |
| 21 | APC_SEMI_CONSTRAINED = 0x1, /* Constrained at "lb" */ |
| 22 | APC_CONSTRAINED = 0x2, /* Fully constrained */ |
| 23 | APC_EXTENSIBLE = 0x4 /* May have extension */ |
| 24 | }; |
| 25 | typedef struct asn_per_constraint_s { |
| 26 | |
| 27 | enum asn_per_constraint_flags flags; |
| 28 | int range_bits; /* Full number of bits in the range */ |
| 29 | int effective_bits; /* Effective bits */ |
| 30 | long lower_bound; /* "lb" value */ |
| 31 | long upper_bound; /* "ub" value */ |
| 32 | } asn_per_constraint_t; |
| 33 | typedef struct asn_per_constraints_s { |
| 34 | asn_per_constraint_t value; |
| 35 | asn_per_constraint_t size; |
| 36 | } asn_per_constraints_t; |
| 37 | |
| 38 | |
| 39 | struct asn_TYPE_descriptor_s; /* Forward declaration */ |
| 40 | |
| 41 | /* |
| 42 | * Type of the type-specific PER decoder function. |
| 43 | */ |
| 44 | typedef asn_dec_rval_t (per_type_decoder_f)(asn_codec_ctx_t *opt_codec_ctx, |
| 45 | struct asn_TYPE_descriptor_s *type_descriptor, |
| 46 | asn_per_constraints_t *constraints, |
| 47 | void **struct_ptr, |
| 48 | asn_per_data_t *per_data |
| 49 | ); |
| 50 | |
| 51 | #ifdef __cplusplus |
| 52 | } |
| 53 | #endif |
| 54 | |
| 55 | #endif /* _PER_DECODER_H_ */ |