OptionValueRegex.h revision 73844aa19a7360b662e2be710fc3c969d6c86606 
1//===-- OptionValueRegex.h --------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_OptionValueRegex_h_
11#define liblldb_OptionValueRegex_h_
12
13// C Includes
14// C++ Includes
15#include <string>
16
17// Other libraries and framework includes
18// Project includes
19#include "lldb/Core/RegularExpression.h"
20#include "lldb/Interpreter/OptionValue.h"
21
22namespace lldb_private {
23
24class OptionValueRegex : public OptionValue
25{
26public:
27    OptionValueRegex (const char *value = NULL, uint32_t regex_flags = 0) :
28        OptionValue(),
29        m_regex (value, regex_flags)
30    {
31    }
32
33    virtual
34    ~OptionValueRegex()
35    {
36    }
37
38    //---------------------------------------------------------------------
39    // Virtual subclass pure virtual overrides
40    //---------------------------------------------------------------------
41
42    virtual OptionValue::Type
43    GetType () const
44    {
45        return eTypeRegex;
46    }
47
48    virtual void
49    DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask);
50
51    virtual Error
52    SetValueFromCString (const char *value,
53                         VarSetOperationType op = eVarSetOperationAssign);
54
55    virtual bool
56    Clear ()
57    {
58        m_regex.Clear();
59        m_value_was_set = false;
60        return true;
61    }
62
63    virtual lldb::OptionValueSP
64    DeepCopy () const;
65
66    //---------------------------------------------------------------------
67    // Subclass specific functions
68    //---------------------------------------------------------------------
69    const RegularExpression *
70    GetCurrentValue() const
71    {
72        if (m_regex.IsValid())
73            return &m_regex;
74        return NULL;
75    }
76
77    void
78    SetCurrentValue (const char *value, uint32_t regex_flags)
79    {
80        if (value && value[0])
81            m_regex.Compile (value, regex_flags);
82        else
83            m_regex.Clear();
84    }
85
86    bool
87    IsValid () const
88    {
89        return m_regex.IsValid();
90    }
91
92protected:
93    RegularExpression m_regex;
94};
95
96} // namespace lldb_private
97
98#endif  // liblldb_OptionValueRegex_h_
99