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)
m_regex(value)20       : m_regex(value), m_default_regex_str(value) {}
21 
22   ~OptionValueRegex() override = default;
23 
24   // Virtual subclass pure virtual overrides
25 
GetType()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 
ToJSON(const ExecutionContext * exe_ctx)31   llvm::json::Value ToJSON(const ExecutionContext *exe_ctx) override {
32     return m_regex.GetText();
33   }
34 
35   Status
36   SetValueFromString(llvm::StringRef value,
37                      VarSetOperationType op = eVarSetOperationAssign) override;
38 
Clear()39   void Clear() override {
40     m_regex = RegularExpression(m_default_regex_str);
41     m_value_was_set = false;
42   }
43 
44   // Subclass specific functions
GetCurrentValue()45   const RegularExpression *GetCurrentValue() const {
46     return (m_regex.IsValid() ? &m_regex : nullptr);
47   }
48 
SetCurrentValue(const char * value)49   void SetCurrentValue(const char *value) {
50     if (value && value[0])
51       m_regex = RegularExpression(llvm::StringRef(value));
52     else
53       m_regex = RegularExpression();
54   }
55 
IsValid()56   bool IsValid() const { return m_regex.IsValid(); }
57 
58 protected:
59   RegularExpression m_regex;
60   std::string m_default_regex_str;
61 };
62 
63 } // namespace lldb_private
64 
65 #endif // LLDB_INTERPRETER_OPTIONVALUEREGEX_H
66