LCOV - code coverage report
Current view: top level - src/util - spanparsing.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 0 26 0.0 %
Date: 2023-09-26 12:08:55 Functions: 0 3 0.0 %

          Line data    Source code
       1             : // Copyright (c) 2018-2022 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             : #include <util/spanparsing.h>
       6             : 
       7             : #include <span.h>
       8             : 
       9             : #include <algorithm>
      10             : #include <cstddef>
      11             : #include <string>
      12             : 
      13             : namespace spanparsing {
      14             : 
      15           0 : bool Const(const std::string& str, Span<const char>& sp)
      16             : {
      17           0 :     if ((size_t)sp.size() >= str.size() && std::equal(str.begin(), str.end(), sp.begin())) {
      18           0 :         sp = sp.subspan(str.size());
      19           0 :         return true;
      20             :     }
      21           0 :     return false;
      22           0 : }
      23             : 
      24           0 : bool Func(const std::string& str, Span<const char>& sp)
      25             : {
      26           0 :     if ((size_t)sp.size() >= str.size() + 2 && sp[str.size()] == '(' && sp[sp.size() - 1] == ')' && std::equal(str.begin(), str.end(), sp.begin())) {
      27           0 :         sp = sp.subspan(str.size() + 1, sp.size() - str.size() - 2);
      28           0 :         return true;
      29             :     }
      30           0 :     return false;
      31           0 : }
      32             : 
      33           0 : Span<const char> Expr(Span<const char>& sp)
      34             : {
      35           0 :     int level = 0;
      36           0 :     auto it = sp.begin();
      37           0 :     while (it != sp.end()) {
      38           0 :         if (*it == '(' || *it == '{') {
      39           0 :             ++level;
      40           0 :         } else if (level && (*it == ')' || *it == '}')) {
      41           0 :             --level;
      42           0 :         } else if (level == 0 && (*it == ')' || *it == '}' || *it == ',')) {
      43           0 :             break;
      44             :         }
      45           0 :         ++it;
      46             :     }
      47           0 :     Span<const char> ret = sp.first(it - sp.begin());
      48           0 :     sp = sp.subspan(it - sp.begin());
      49           0 :     return ret;
      50             : }
      51             : 
      52             : } // namespace spanparsing

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