1 //===-- OptionValueRegex.h --------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLDB_INTERPRETER_OPTIONVALUEREGEX_H
10 #define LLDB_INTERPRETER_OPTIONVALUEREGEX_H
11 
12 #include "lldb/Interpreter/OptionValue.h"
13 #include "lldb/Utility/RegularExpression.h"
14 
15 namespace lldb_private {
16 
17 class OptionValueRegex : public Cloneable<OptionValueRegex, OptionValue> {
18 public:
19   OptionValueRegex(const char *value = nullptr)
20       : m_regex(value), m_default_regex_str(value) {}
21 
22   ~OptionValueRegex() override = default;
23 
24   // Virtual subclass pure virtual overrides
25 
26   OptionValue::Type GetType() const override { return eTypeRegex; }
27 
28   void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
29                  uint32_t dump_mask) override;
30 
31   Status
32   SetValueFromString(llvm::StringRef value,
33                      VarSetOperationType op = eVarSetOperationAssign) override;
34 
35   void Clear() override {
36     m_regex = RegularExpression(m_default_regex_str);
37     m_value_was_set = false;
38   }
39 
40   // Subclass specific functions
41   const RegularExpression *GetCurrentValue() const {
42     return (m_regex.IsValid() ? &m_regex : nullptr);
43   }
44 
45   void SetCurrentValue(const char *value) {
46     if (value && value[0])
47       m_regex = RegularExpression(llvm::StringRef(value));
48     else
49       m_regex = RegularExpression();
50   }
51 
52   bool IsValid() const { return m_regex.IsValid(); }
53 
54 protected:
55   RegularExpression m_regex;
56   std::string m_default_regex_str;
57 };
58 
59 } // namespace lldb_private
60 
61 #endif // LLDB_INTERPRETER_OPTIONVALUEREGEX_H
62