C++ (Cpp) MVM_string_index示例

示例#1

文件： procops.c 项目： baby-gnu/MoarVM

MVMObject * MVM_proc_getenvhash(MVMThreadContext *tc) {
    MVMInstance * const instance = tc->instance;
    MVMObject   *       env_hash;

#ifdef _WIN32
    const MVMuint16 acp = GetACP(); /* We should get ACP at runtime. */
#endif
    MVMuint32     pos = 0;
    MVMString *needle = MVM_string_ascii_decode(tc, instance->VMString, STR_WITH_LEN("="));
    char      *env;

    MVM_gc_root_temp_push(tc, (MVMCollectable **)&needle);

    env_hash = MVM_repr_alloc_init(tc,  MVM_hll_current(tc)->slurpy_hash_type);
    MVM_gc_root_temp_push(tc, (MVMCollectable **)&env_hash);

    while ((env = environ[pos++]) != NULL) {
#ifndef _WIN32
        MVMString    *str = MVM_string_utf8_c8_decode(tc, instance->VMString, env, strlen(env));
#else
        char * const _env = ANSIToUTF8(acp, env);
        MVMString    *str = MVM_string_utf8_c8_decode(tc, instance->VMString, _env, strlen(_env));
#endif

        MVMuint32 index = MVM_string_index(tc, str, needle, 0);

        MVMString *key, *val;
        MVMObject *box;

#ifdef _WIN32
        MVM_free(_env);
#endif
        MVM_gc_root_temp_push(tc, (MVMCollectable **)&str);

        key  = MVM_string_substring(tc, str, 0, index);
        MVM_gc_root_temp_push(tc, (MVMCollectable **)&key);

        val  = MVM_string_substring(tc, str, index + 1, -1);
        box  = MVM_repr_box_str(tc, MVM_hll_current(tc)->str_box_type, val);
        MVM_repr_bind_key_o(tc, env_hash, key, box);

        MVM_gc_root_temp_pop_n(tc, 2);
    }

    MVM_gc_root_temp_pop_n(tc, 2);

    return env_hash;
}

示例#2

文件： procops.c 项目： crab2313/MoarVM

MVMObject * MVM_proc_getenvhash(MVMThreadContext *tc) {
    static MVMObject *env_hash;

    if (!env_hash) {
#ifdef _WIN32
        MVMuint16     acp = GetACP(); /* We should get ACP at runtime. */
#endif
        MVMuint32     pos = 0;
        MVMString *needle = MVM_decode_C_buffer_to_string(tc, tc->instance->VMString, "=", 1, MVM_encoding_type_ascii);
        char      *env;

        MVM_gc_root_temp_push(tc, (MVMCollectable **)&needle);

        env_hash = MVM_repr_alloc_init(tc, tc->instance->boot_types->BOOTHash);
        MVM_gc_root_temp_push(tc, (MVMCollectable **)&env_hash);

        while ((env = environ[pos++]) != NULL) {
#ifndef _WIN32
            MVMString    *str = MVM_decode_C_buffer_to_string(tc, tc->instance->VMString, env, strlen(env), MVM_encoding_type_utf8);
#else
            char * const _env = ANSIToUTF8(acp, env);
            MVMString    *str = MVM_decode_C_buffer_to_string(tc, tc->instance->VMString, _env, strlen(_env), MVM_encoding_type_utf8);

#endif

            MVMuint32 index = MVM_string_index(tc, str, needle, 0);

            MVMString *key, *val;

#ifdef _WIN32
            free(_env);
#endif
            MVM_gc_root_temp_push(tc, (MVMCollectable **)&str);

            key  = MVM_string_substring(tc, str, 0, index);
            MVM_gc_root_temp_push(tc, (MVMCollectable **)&key);

            val  = MVM_string_substring(tc, str, index + 1, -1);
            MVM_repr_bind_key_boxed(tc, env_hash, key, (MVMObject *)val);

            MVM_gc_root_temp_pop_n(tc, 2);
        }

        MVM_gc_root_temp_pop_n(tc, 2);
    }
    return env_hash;
}