| 1 | #ifndef SCM_BYTEVECTORS_H |
| 2 | #define SCM_BYTEVECTORS_H |
| 3 | |
| 4 | /* Copyright (C) 2009 Free Software Foundation, Inc. |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public License |
| 8 | * as published by the Free Software Foundation; either version 3 of |
| 9 | * the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 19 | * 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | \f |
| 23 | |
| 24 | #include "libguile/__scm.h" |
| 25 | |
| 26 | |
| 27 | /* R6RS bytevectors. */ |
| 28 | |
| 29 | /* The size in words of the bytevector header (type tag, flags, and |
| 30 | length). */ |
| 31 | #define SCM_BYTEVECTOR_HEADER_SIZE 2U |
| 32 | |
| 33 | #define SCM_BYTEVECTOR_LENGTH(_bv) \ |
| 34 | ((size_t) SCM_CELL_WORD_1 (_bv)) |
| 35 | #define SCM_BYTEVECTOR_CONTENTS(_bv) \ |
| 36 | ((signed char *) SCM_CELL_OBJECT_LOC ((_bv), \ |
| 37 | SCM_BYTEVECTOR_HEADER_SIZE)) |
| 38 | |
| 39 | |
| 40 | SCM_API SCM scm_endianness_big; |
| 41 | SCM_API SCM scm_endianness_little; |
| 42 | |
| 43 | SCM_API SCM scm_c_make_bytevector (size_t); |
| 44 | SCM_API int scm_is_bytevector (SCM); |
| 45 | SCM_API size_t scm_c_bytevector_length (SCM); |
| 46 | SCM_API scm_t_uint8 scm_c_bytevector_ref (SCM, size_t); |
| 47 | SCM_API void scm_c_bytevector_set_x (SCM, size_t, scm_t_uint8); |
| 48 | |
| 49 | SCM_API SCM scm_make_bytevector (SCM, SCM); |
| 50 | SCM_API SCM scm_native_endianness (void); |
| 51 | SCM_API SCM scm_bytevector_p (SCM); |
| 52 | SCM_API SCM scm_bytevector_length (SCM); |
| 53 | SCM_API SCM scm_bytevector_eq_p (SCM, SCM); |
| 54 | SCM_API SCM scm_bytevector_fill_x (SCM, SCM); |
| 55 | SCM_API SCM scm_bytevector_copy_x (SCM, SCM, SCM, SCM, SCM); |
| 56 | SCM_API SCM scm_bytevector_copy (SCM); |
| 57 | |
| 58 | SCM_API SCM scm_uniform_array_to_bytevector (SCM); |
| 59 | |
| 60 | SCM_API SCM scm_bytevector_to_u8_list (SCM); |
| 61 | SCM_API SCM scm_u8_list_to_bytevector (SCM); |
| 62 | SCM_API SCM scm_uint_list_to_bytevector (SCM, SCM, SCM); |
| 63 | SCM_API SCM scm_bytevector_to_uint_list (SCM, SCM, SCM); |
| 64 | SCM_API SCM scm_sint_list_to_bytevector (SCM, SCM, SCM); |
| 65 | SCM_API SCM scm_bytevector_to_sint_list (SCM, SCM, SCM); |
| 66 | |
| 67 | SCM_API SCM scm_bytevector_u16_native_ref (SCM, SCM); |
| 68 | SCM_API SCM scm_bytevector_s16_native_ref (SCM, SCM); |
| 69 | SCM_API SCM scm_bytevector_u32_native_ref (SCM, SCM); |
| 70 | SCM_API SCM scm_bytevector_s32_native_ref (SCM, SCM); |
| 71 | SCM_API SCM scm_bytevector_u64_native_ref (SCM, SCM); |
| 72 | SCM_API SCM scm_bytevector_s64_native_ref (SCM, SCM); |
| 73 | SCM_API SCM scm_bytevector_u8_ref (SCM, SCM); |
| 74 | SCM_API SCM scm_bytevector_s8_ref (SCM, SCM); |
| 75 | SCM_API SCM scm_bytevector_uint_ref (SCM, SCM, SCM, SCM); |
| 76 | SCM_API SCM scm_bytevector_sint_ref (SCM, SCM, SCM, SCM); |
| 77 | SCM_API SCM scm_bytevector_u16_ref (SCM, SCM, SCM); |
| 78 | SCM_API SCM scm_bytevector_s16_ref (SCM, SCM, SCM); |
| 79 | SCM_API SCM scm_bytevector_u32_ref (SCM, SCM, SCM); |
| 80 | SCM_API SCM scm_bytevector_s32_ref (SCM, SCM, SCM); |
| 81 | SCM_API SCM scm_bytevector_u64_ref (SCM, SCM, SCM); |
| 82 | SCM_API SCM scm_bytevector_s64_ref (SCM, SCM, SCM); |
| 83 | SCM_API SCM scm_bytevector_u16_native_set_x (SCM, SCM, SCM); |
| 84 | SCM_API SCM scm_bytevector_s16_native_set_x (SCM, SCM, SCM); |
| 85 | SCM_API SCM scm_bytevector_u32_native_set_x (SCM, SCM, SCM); |
| 86 | SCM_API SCM scm_bytevector_s32_native_set_x (SCM, SCM, SCM); |
| 87 | SCM_API SCM scm_bytevector_u64_native_set_x (SCM, SCM, SCM); |
| 88 | SCM_API SCM scm_bytevector_s64_native_set_x (SCM, SCM, SCM); |
| 89 | SCM_API SCM scm_bytevector_u8_set_x (SCM, SCM, SCM); |
| 90 | SCM_API SCM scm_bytevector_s8_set_x (SCM, SCM, SCM); |
| 91 | SCM_API SCM scm_bytevector_uint_set_x (SCM, SCM, SCM, SCM, SCM); |
| 92 | SCM_API SCM scm_bytevector_sint_set_x (SCM, SCM, SCM, SCM, SCM); |
| 93 | SCM_API SCM scm_bytevector_u16_set_x (SCM, SCM, SCM, SCM); |
| 94 | SCM_API SCM scm_bytevector_s16_set_x (SCM, SCM, SCM, SCM); |
| 95 | SCM_API SCM scm_bytevector_u32_set_x (SCM, SCM, SCM, SCM); |
| 96 | SCM_API SCM scm_bytevector_s32_set_x (SCM, SCM, SCM, SCM); |
| 97 | SCM_API SCM scm_bytevector_u64_set_x (SCM, SCM, SCM, SCM); |
| 98 | SCM_API SCM scm_bytevector_s64_set_x (SCM, SCM, SCM, SCM); |
| 99 | SCM_API SCM scm_bytevector_ieee_single_ref (SCM, SCM, SCM); |
| 100 | SCM_API SCM scm_bytevector_ieee_single_native_ref (SCM, SCM); |
| 101 | SCM_API SCM scm_bytevector_ieee_single_set_x (SCM, SCM, SCM, SCM); |
| 102 | SCM_API SCM scm_bytevector_ieee_single_native_set_x (SCM, SCM, SCM); |
| 103 | SCM_API SCM scm_bytevector_ieee_double_ref (SCM, SCM, SCM); |
| 104 | SCM_API SCM scm_bytevector_ieee_double_native_ref (SCM, SCM); |
| 105 | SCM_API SCM scm_bytevector_ieee_double_set_x (SCM, SCM, SCM, SCM); |
| 106 | SCM_API SCM scm_bytevector_ieee_double_native_set_x (SCM, SCM, SCM); |
| 107 | SCM_API SCM scm_string_to_utf8 (SCM); |
| 108 | SCM_API SCM scm_string_to_utf16 (SCM, SCM); |
| 109 | SCM_API SCM scm_string_to_utf32 (SCM, SCM); |
| 110 | SCM_API SCM scm_utf8_to_string (SCM); |
| 111 | SCM_API SCM scm_utf16_to_string (SCM, SCM); |
| 112 | SCM_API SCM scm_utf32_to_string (SCM, SCM); |
| 113 | |
| 114 | |
| 115 | \f |
| 116 | /* Internal API. */ |
| 117 | |
| 118 | #define SCM_BYTEVECTOR_P(x) \ |
| 119 | (!SCM_IMP (x) && SCM_TYP7(x) == scm_tc7_bytevector) |
| 120 | #define SCM_BYTEVECTOR_FLAGS(_bv) \ |
| 121 | (SCM_CELL_TYPE (_bv) >> 7UL) |
| 122 | #define SCM_SET_BYTEVECTOR_FLAGS(_bv, _f) \ |
| 123 | SCM_SET_CELL_TYPE ((_bv), \ |
| 124 | scm_tc7_bytevector | ((scm_t_bits)(_f) << 7UL)) |
| 125 | |
| 126 | #define SCM_BYTEVECTOR_ELEMENT_TYPE(_bv) \ |
| 127 | (SCM_BYTEVECTOR_FLAGS (_bv)) |
| 128 | |
| 129 | /* Hint that is passed to `scm_gc_malloc ()' and friends. */ |
| 130 | #define SCM_GC_BYTEVECTOR "bytevector" |
| 131 | |
| 132 | SCM_INTERNAL SCM scm_i_make_typed_bytevector (size_t, scm_t_array_element_type); |
| 133 | SCM_INTERNAL SCM scm_c_take_typed_bytevector (signed char *, size_t, |
| 134 | scm_t_array_element_type); |
| 135 | |
| 136 | SCM_INTERNAL void scm_bootstrap_bytevectors (void); |
| 137 | SCM_INTERNAL void scm_init_bytevectors (void); |
| 138 | |
| 139 | SCM_INTERNAL SCM scm_i_native_endianness; |
| 140 | SCM_INTERNAL SCM scm_c_take_bytevector (signed char *, size_t); |
| 141 | |
| 142 | SCM_INTERNAL int scm_i_print_bytevector (SCM, SCM, scm_print_state *); |
| 143 | |
| 144 | SCM_INTERNAL SCM scm_c_shrink_bytevector (SCM, size_t); |
| 145 | SCM_INTERNAL void scm_i_bytevector_generalized_set_x (SCM, size_t, SCM); |
| 146 | SCM_INTERNAL SCM scm_null_bytevector; |
| 147 | |
| 148 | #endif /* SCM_BYTEVECTORS_H */ |