C++ (Cpp) mc_search_regex__replace_handle_esc_seq Beispiele

Beispiel #1

Datei: regex_replace_esc_seq.c Projekt: LubkaB/mc

/* *INDENT-OFF* */
START_PARAMETRIZED_TEST (test_regex_replace_esc_seq_prepare, test_regex_replace_esc_seq_prepare_ds)
/* *INDENT-ON* */
{
    /* given */
    GString *replace_str;
    gsize actual_skipped_len = 0;
    int actual_flags = 0;
    gboolean actual_result;

    replace_str = g_string_new (data->input_string);

    /* when */
    actual_result =
        mc_search_regex__replace_handle_esc_seq (replace_str, data->input_pos, &actual_skipped_len,
                                                 &actual_flags);

    /* then */
    mctest_assert_int_eq (actual_result, data->expected_result);
    mctest_assert_int_eq (actual_skipped_len, data->expected_skipped_len);
    mctest_assert_int_eq (actual_flags, data->expected_flags);

    g_string_free (replace_str, TRUE);
}

Beispiel #2

Datei: regex.c Projekt: artzub/mc

static int
mc_search_regex__process_replace_str (const GString * replace_str, const gsize current_pos,
                                      gsize * skip_len, replace_transform_type_t * replace_flags)
{
    int ret = -1;
    char *tmp_str;
    const char *curr_str = &(replace_str->str[current_pos]);

    if (current_pos > replace_str->len)
        return REPLACE_PREPARE_T_NOTHING_SPECIAL;

    *skip_len = 0;

    if ((*curr_str == '$') && (*(curr_str + 1) == '{') && ((*(curr_str + 2) & (char) 0xf0) == 0x30)
        && (replace_str->len > current_pos + 2))
    {
        if (strutils_is_char_escaped (replace_str->str, curr_str))
        {
            *skip_len = 1;
            return REPLACE_PREPARE_T_NOTHING_SPECIAL;
        }

        for (*skip_len = 0;
             current_pos + *skip_len + 2 < replace_str->len
             && (*(curr_str + 2 + *skip_len) & (char) 0xf0) == 0x30; (*skip_len)++);

        if (*(curr_str + 2 + *skip_len) != '}')
            return REPLACE_PREPARE_T_NOTHING_SPECIAL;

        tmp_str = g_strndup (curr_str + 2, *skip_len);
        if (tmp_str == NULL)
            return REPLACE_PREPARE_T_NOTHING_SPECIAL;

        ret = atoi (tmp_str);
        g_free (tmp_str);

        *skip_len += 3;         /* ${} */
        return ret;             /* capture buffer index >= 0 */
    }

    if ((*curr_str == '\\') && (replace_str->len > current_pos + 1))
    {
        if (strutils_is_char_escaped (replace_str->str, curr_str))
        {
            *skip_len = 1;
            return REPLACE_PREPARE_T_NOTHING_SPECIAL;
        }

        if (g_ascii_isdigit (*(curr_str + 1)))
        {
            ret = g_ascii_digit_value (*(curr_str + 1));        /* capture buffer index >= 0 */
            *skip_len = 2;      /* \\ and one digit */
            return ret;
        }

        if (!mc_search_regex__replace_handle_esc_seq (replace_str, current_pos, skip_len, &ret))
            return ret;

        ret = REPLACE_PREPARE_T_REPLACE_FLAG;
        *skip_len += 2;
        switch (*(curr_str + 1))
        {
        case 'U':
            *replace_flags |= REPLACE_T_UPP_TRANSFORM;
            *replace_flags &= ~REPLACE_T_LOW_TRANSFORM;
            break;
        case 'u':
            *replace_flags |= REPLACE_T_UPP_TRANSFORM_CHAR;
            break;
        case 'L':
            *replace_flags |= REPLACE_T_LOW_TRANSFORM;
            *replace_flags &= ~REPLACE_T_UPP_TRANSFORM;
            break;
        case 'l':
            *replace_flags |= REPLACE_T_LOW_TRANSFORM_CHAR;
            break;
        case 'E':
            *replace_flags = REPLACE_T_NO_TRANSFORM;
            break;
        default:
            ret = REPLACE_PREPARE_T_NOTHING_SPECIAL;
            break;
        }
    }
    return ret;
}