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builtinevex.c

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  • modubinascii.c 2.82 KiB
    /*
     * This file is part of the Micro Python project, http://micropython.org/
     *
     * The MIT License (MIT)
     *
     * Copyright (c) 2014 Paul Sokolovsky
     *
     * Permission is hereby granted, free of charge, to any person obtaining a copy
     * of this software and associated documentation files (the "Software"), to deal
     * in the Software without restriction, including without limitation the rights
     * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     * copies of the Software, and to permit persons to whom the Software is
     * furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice shall be included in
     * all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     * THE SOFTWARE.
     */
    
    #include <stdio.h>
    #include <assert.h>
    #include <string.h>
    
    #include "py/nlr.h"
    #include "py/runtime.h"
    #include "py/binary.h"
    
    #if MICROPY_PY_UBINASCII
    
    STATIC mp_obj_t mod_binascii_hexlify(mp_uint_t n_args, const mp_obj_t *args) {
        (void)n_args;
        mp_buffer_info_t bufinfo;
        mp_get_buffer_raise(args[0], &bufinfo, MP_BUFFER_READ);
    
        byte *in = bufinfo.buf, *out;
        mp_obj_t o = mp_obj_str_builder_start(&mp_type_bytes, bufinfo.len * 2, &out);
        for (mp_uint_t i = bufinfo.len; i--;) {
            byte d = (*in >> 4);
            if (d > 9) {
                d += 'a' - '9' - 1;
            }
            *out++ = d + '0';
            d = (*in++ & 0xf);
            if (d > 9) {
                d += 'a' - '9' - 1;
            }
            *out++ = d + '0';
        }
        return mp_obj_str_builder_end(o);
    }
    MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_binascii_hexlify_obj, 1, 2, mod_binascii_hexlify);
    
    STATIC const mp_map_elem_t mp_module_binascii_globals_table[] = {
        { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_ubinascii) },
        { MP_OBJ_NEW_QSTR(MP_QSTR_hexlify), (mp_obj_t)&mod_binascii_hexlify_obj },
    //    { MP_OBJ_NEW_QSTR(MP_QSTR_unhexlify), (mp_obj_t)&mod_binascii_unhexlify_obj },
    //    { MP_OBJ_NEW_QSTR(MP_QSTR_a2b_base64), (mp_obj_t)&mod_binascii_a2b_base64_obj },
    //    { MP_OBJ_NEW_QSTR(MP_QSTR_b2a_base64), (mp_obj_t)&mod_binascii_b2a_base64_obj },
    };
    
    STATIC MP_DEFINE_CONST_DICT(mp_module_binascii_globals, mp_module_binascii_globals_table);
    
    const mp_obj_module_t mp_module_ubinascii = {
        .base = { &mp_type_module },
        .name = MP_QSTR_ubinascii,
        .globals = (mp_obj_dict_t*)&mp_module_binascii_globals,
    };
    
    #endif //MICROPY_PY_UBINASCII