1 //===-- OptionValueString.h -------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_OptionValueString_h_
11 #define liblldb_OptionValueString_h_
15 #include "lldb/Utility/Flags.h"
17 #include "lldb/Interpreter/OptionValue.h"
19 namespace lldb_private {
21 class OptionValueString : public OptionValue {
23 typedef Status (*ValidatorCallback)(const char *string, void *baton);
25 enum Options { eOptionEncodeCharacterEscapeSequences = (1u << 0) };
28 : OptionValue(), m_current_value(), m_default_value(), m_options(),
29 m_validator(), m_validator_baton() {}
31 OptionValueString(ValidatorCallback validator, void *baton = nullptr)
32 : OptionValue(), m_current_value(), m_default_value(), m_options(),
33 m_validator(validator), m_validator_baton(baton) {}
35 OptionValueString(const char *value)
36 : OptionValue(), m_current_value(), m_default_value(), m_options(),
37 m_validator(), m_validator_baton() {
38 if (value && value[0]) {
39 m_current_value.assign(value);
40 m_default_value.assign(value);
44 OptionValueString(const char *current_value, const char *default_value)
45 : OptionValue(), m_current_value(), m_default_value(), m_options(),
46 m_validator(), m_validator_baton() {
47 if (current_value && current_value[0])
48 m_current_value.assign(current_value);
49 if (default_value && default_value[0])
50 m_default_value.assign(default_value);
53 OptionValueString(const char *value, ValidatorCallback validator,
54 void *baton = nullptr)
55 : OptionValue(), m_current_value(), m_default_value(), m_options(),
56 m_validator(validator), m_validator_baton(baton) {
57 if (value && value[0]) {
58 m_current_value.assign(value);
59 m_default_value.assign(value);
63 OptionValueString(const char *current_value, const char *default_value,
64 ValidatorCallback validator, void *baton = nullptr)
65 : OptionValue(), m_current_value(), m_default_value(), m_options(),
66 m_validator(validator), m_validator_baton(baton) {
67 if (current_value && current_value[0])
68 m_current_value.assign(current_value);
69 if (default_value && default_value[0])
70 m_default_value.assign(default_value);
73 ~OptionValueString() override = default;
75 //---------------------------------------------------------------------
76 // Virtual subclass pure virtual overrides
77 //---------------------------------------------------------------------
79 OptionValue::Type GetType() const override { return eTypeString; }
81 void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
82 uint32_t dump_mask) override;
85 SetValueFromString(llvm::StringRef value,
86 VarSetOperationType op = eVarSetOperationAssign) override;
88 SetValueFromString(const char *,
89 VarSetOperationType = eVarSetOperationAssign) = delete;
91 bool Clear() override {
92 m_current_value = m_default_value;
93 m_value_was_set = false;
97 lldb::OptionValueSP DeepCopy() const override;
99 //---------------------------------------------------------------------
100 // Subclass specific functions
101 //---------------------------------------------------------------------
103 Flags &GetOptions() { return m_options; }
105 const Flags &GetOptions() const { return m_options; }
107 const char *operator=(const char *value) {
108 SetCurrentValue(llvm::StringRef::withNullAsEmpty(value));
109 return m_current_value.c_str();
112 const char *GetCurrentValue() const { return m_current_value.c_str(); }
113 llvm::StringRef GetCurrentValueAsRef() const { return m_current_value; }
115 const char *GetDefaultValue() const { return m_default_value.c_str(); }
116 llvm::StringRef GetDefaultValueAsRef() const { return m_default_value; }
118 Status SetCurrentValue(const char *) = delete;
119 Status SetCurrentValue(llvm::StringRef value);
121 Status AppendToCurrentValue(const char *value);
123 void SetDefaultValue(const char *value) {
124 if (value && value[0])
125 m_default_value.assign(value);
127 m_default_value.clear();
130 bool IsCurrentValueEmpty() const { return m_current_value.empty(); }
132 bool IsDefaultValueEmpty() const { return m_default_value.empty(); }
135 std::string m_current_value;
136 std::string m_default_value;
138 ValidatorCallback m_validator;
139 void *m_validator_baton;
142 } // namespace lldb_private
144 #endif // liblldb_OptionValueString_h_