static bool s_parse_property()

in source/aws_profile.c [1073:1146]

• 51 lines of code
• 7 McCabe index (conditional complexity)

static bool s_parse_property(const struct aws_byte_cursor *line_cursor, struct profile_file_parse_context *context) {

    /*
     * Strip whitespace-prefixed comment and right-side whitespace
     */
    struct aws_byte_cursor property_line_cursor = s_trim_trailing_whitespace_comment(line_cursor);
    struct aws_byte_cursor property_cursor = aws_byte_cursor_right_trim_pred(&property_line_cursor, s_is_whitespace);

    context->current_property = NULL;

    struct aws_byte_cursor key_cursor;
    if (!s_parse_by_character_predicate(&property_cursor, s_is_not_assignment_operator, &key_cursor, 0)) {
        AWS_LOGF_WARN(AWS_LS_SDKUTILS_PROFILE, "Property definition does not contain the assignment operator");
        s_log_parse_context(AWS_LL_WARN, context);

        context->parse_error = AWS_ERROR_SDKUTILS_PARSE_FATAL;
        return true;
    }

    struct aws_byte_cursor trimmed_key_cursor = aws_byte_cursor_right_trim_pred(&key_cursor, s_is_whitespace);
    struct aws_byte_cursor id_check_cursor = aws_byte_cursor_trim_pred(&trimmed_key_cursor, s_is_identifier);
    if (id_check_cursor.len > 0) {
        AWS_LOGF_WARN(AWS_LS_SDKUTILS_PROFILE, "Property definition does not begin with a valid identifier");
        s_log_parse_context(AWS_LL_WARN, context);

        context->parse_error = AWS_ERROR_SDKUTILS_PARSE_RECOVERABLE;
        return true;
    }

    if (!s_parse_by_character_predicate(&property_cursor, s_is_assignment_operator, NULL, 1)) {
        AWS_LOGF_WARN(AWS_LS_SDKUTILS_PROFILE, "Property definition does not contain the assignment operator");
        s_log_parse_context(AWS_LL_WARN, context);

        context->parse_error = AWS_ERROR_SDKUTILS_PARSE_FATAL;
        return true;
    }

    s_parse_by_character_predicate(&property_cursor, s_is_whitespace, NULL, 0);

    /*
     * If appropriate, apply to the profile collection, property_cursor contains the trimmed value, if one exists
     */
    if (context->current_profile != NULL) {
        context->current_property =
            s_profile_add_property(context->current_profile, &trimmed_key_cursor, &property_cursor);
        if (context->current_property == NULL) {
            AWS_LOGF_ERROR(
                AWS_LS_SDKUTILS_PROFILE,
                "Failed to add property \"" PRInSTR "\" to current profile \"%s\"",
                AWS_BYTE_CURSOR_PRI(trimmed_key_cursor),
                context->current_profile->name->bytes);
            s_log_parse_context(AWS_LL_ERROR, context);

            context->parse_error = AWS_ERROR_SDKUTILS_PARSE_FATAL;
        }
    } else {
        /*
         * By definition, if we haven't seen any profiles yet, this is a fatal error
         */
        if (context->has_seen_profile) {
            AWS_LOGF_WARN(AWS_LS_SDKUTILS_PROFILE, "Property definition seen outside a profile");
            s_log_parse_context(AWS_LL_WARN, context);

            context->parse_error = AWS_ERROR_SDKUTILS_PARSE_RECOVERABLE;
        } else {
            AWS_LOGF_WARN(AWS_LS_SDKUTILS_PROFILE, "Property definition seen before any profiles");
            s_log_parse_context(AWS_LL_WARN, context);

            context->parse_error = AWS_ERROR_SDKUTILS_PARSE_FATAL;
        }
    }

    return true;
}