git / moonbite-core / src/test/util/str.h · raw

// Copyright (c) 2019 The Bitcoin Core developers// Distributed under the MIT software license, see the accompanying// file COPYING or http://www.opensource.org/licenses/mit-license.php.#ifndef BITCOIN_TEST_UTIL_STR_H#define BITCOIN_TEST_UTIL_STR_H#include <string>bool CaseInsensitiveEqual(const std::string& s1, const std::string& s2);/** * Increment a string. Useful to enumerate all fixed length strings with * characters in [min_char, max_char]. */template <typename CharType, size_t StringLength>bool NextString(CharType (&string)[StringLength], CharType min_char, CharType max_char){    for (CharType& elem : string) {        bool has_next = elem != max_char;        elem = elem < min_char || elem >= max_char ? min_char : CharType(elem + 1);        if (has_next) return true;    }    return false;}/** * Iterate over string values and call function for each string without * successive duplicate characters. */template <typename CharType, size_t StringLength, typename Fn>void ForEachNoDup(CharType (&string)[StringLength], CharType min_char, CharType max_char, Fn&& fn) {    for (bool has_next = true; has_next; has_next = NextString(string, min_char, max_char)) {        int prev = -1;        bool skip_string = false;        for (CharType c : string) {            if (c == prev) skip_string = true;            if (skip_string || c < min_char || c > max_char) break;            prev = c;        }        if (!skip_string) fn();    }}#endif // BITCOIN_TEST_UTIL_STR_H