LCOV - code coverage report
Current view: top level - src/test/util - str.h (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 0 18 0.0 %
Date: 2023-10-05 12:38:51 Functions: 0 9 0.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : // Copyright (c) 2019 The Bitcoin Core developers
       2                 :            : // Distributed under the MIT software license, see the accompanying
       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4                 :            : 
       5                 :            : #ifndef BITCOIN_TEST_UTIL_STR_H
       6                 :            : #define BITCOIN_TEST_UTIL_STR_H
       7                 :            : 
       8                 :            : #include <string>
       9                 :            : 
      10                 :            : bool CaseInsensitiveEqual(const std::string& s1, const std::string& s2);
      11                 :            : 
      12                 :            : /**
      13                 :            :  * Increment a string. Useful to enumerate all fixed length strings with
      14                 :            :  * characters in [min_char, max_char].
      15                 :            :  */
      16                 :            : template <typename CharType, size_t StringLength>
      17                 :          0 : bool NextString(CharType (&string)[StringLength], CharType min_char, CharType max_char)
      18                 :            : {
      19                 :          0 :     for (CharType& elem : string) {
      20                 :          0 :         bool has_next = elem != max_char;
      21                 :          0 :         elem = elem < min_char || elem >= max_char ? min_char : CharType(elem + 1);
      22                 :          0 :         if (has_next) return true;
      23                 :            :     }
      24                 :          0 :     return false;
      25                 :          0 : }
      26                 :            : 
      27                 :            : /**
      28                 :            :  * Iterate over string values and call function for each string without
      29                 :            :  * successive duplicate characters.
      30                 :            :  */
      31                 :            : template <typename CharType, size_t StringLength, typename Fn>
      32                 :          0 : void ForEachNoDup(CharType (&string)[StringLength], CharType min_char, CharType max_char, Fn&& fn) {
      33                 :          0 :     for (bool has_next = true; has_next; has_next = NextString(string, min_char, max_char)) {
      34                 :          0 :         int prev = -1;
      35                 :          0 :         bool skip_string = false;
      36                 :          0 :         for (CharType c : string) {
      37                 :          0 :             if (c == prev) skip_string = true;
      38                 :          0 :             if (skip_string || c < min_char || c > max_char) break;
      39                 :          0 :             prev = c;
      40                 :            :         }
      41                 :          0 :         if (!skip_string) fn();
      42                 :          0 :     }
      43                 :          0 : }
      44                 :            : 
      45                 :            : #endif // BITCOIN_TEST_UTIL_STR_H

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