Function acceptSearch

tools/shell/linenoise.cpp:2755–2795

}

static char acceptSearch(linenoiseState* l, char nextCommand) {
    bool hasMatches = false;
    int history_index = l->prev_search_match_history_index;
    if (l->search_index < l->search_matches.size()) {
        // if there is a match - copy it into the buffer
        auto match = l->search_matches[l->search_index];
        hasMatches = true;
        history_index = match.history_index;
    }

    while (history_len > 1 && history_index != (history_len - 1 - l->history_index)) {
        /* Update the current history entry before to
         * overwrite it with the next one. */
        free(history[history_len - 1 - l->history_index]);
        history[history_len - 1 - l->history_index] = strdup(l->buf);
        /* Show the new entry */
        l->history_index += (history_index < (history_len - 1 - l->history_index)) ? 1 : -1;
        if (l->history_index < 0) {
            l->history_index = 0;
            break;
        } else if (l->history_index >= history_len) {
            l->history_index = history_len - 1;
            break;
        }
        strncpy(l->buf, history[history_len - 1 - l->history_index], l->buflen);
        l->buf[l->buflen - 1] = '\0';
        l->len = strlen(l->buf);
        if (!hasMatches) {
            l->pos = l->len;
        } else {
            l->pos = l->search_matches[l->search_index].match_end;
        }
    }

    if (nextCommand == ENTER) {
        l->pos = l->len;
    }

    cancelSearch(l);
    return nextCommand;
}

static void performSearch(linenoiseState* l) {
    // we try to maintain the current match while searching