1 //===-- OptionValueFileSpec.cpp ---------------------------------*- 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 #include "lldb/lldb-python.h"
11 
12 #include "lldb/Interpreter/OptionValueFileSpec.h"
13 
14 // C Includes
15 // C++ Includes
16 // Other libraries and framework includes
17 // Project includes
18 #include "lldb/Core/State.h"
19 #include "lldb/DataFormatters/FormatManager.h"
20 #include "lldb/Interpreter/Args.h"
21 #include "lldb/Interpreter/CommandCompletions.h"
22 
23 using namespace lldb;
24 using namespace lldb_private;
25 
26 
27 OptionValueFileSpec::OptionValueFileSpec () :
28     OptionValue(),
29     m_current_value (),
30     m_default_value (),
31     m_data_sp(),
32     m_completion_mask (CommandCompletions::eDiskFileCompletion)
33 {
34 }
35 
36 OptionValueFileSpec::OptionValueFileSpec (const FileSpec &value) :
37     OptionValue(),
38     m_current_value (value),
39     m_default_value (value),
40     m_data_sp(),
41     m_completion_mask (CommandCompletions::eDiskFileCompletion)
42 {
43 }
44 
45 OptionValueFileSpec::OptionValueFileSpec (const FileSpec &current_value,
46                                           const FileSpec &default_value) :
47     OptionValue(),
48     m_current_value (current_value),
49     m_default_value (default_value),
50     m_data_sp(),
51     m_completion_mask (CommandCompletions::eDiskFileCompletion)
52 {
53 }
54 
55 void
56 OptionValueFileSpec::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
57 {
58     if (dump_mask & eDumpOptionType)
59         strm.Printf ("(%s)", GetTypeAsCString ());
60     if (dump_mask & eDumpOptionValue)
61     {
62         if (dump_mask & eDumpOptionType)
63             strm.PutCString (" = ");
64 
65         if (m_current_value)
66         {
67             strm << '"' << m_current_value.GetPath().c_str() << '"';
68         }
69     }
70 }
71 
72 Error
73 OptionValueFileSpec::SetValueFromCString (const char *value_cstr,
74                                           VarSetOperationType op)
75 {
76     Error error;
77     switch (op)
78     {
79     case eVarSetOperationClear:
80         Clear ();
81         break;
82 
83     case eVarSetOperationReplace:
84     case eVarSetOperationAssign:
85         if (value_cstr && value_cstr[0])
86         {
87             m_value_was_set = true;
88             m_current_value.SetFile(value_cstr, true);
89         }
90         else
91         {
92             error.SetErrorString("invalid value string");
93         }
94         break;
95 
96     case eVarSetOperationInsertBefore:
97     case eVarSetOperationInsertAfter:
98     case eVarSetOperationRemove:
99     case eVarSetOperationAppend:
100     case eVarSetOperationInvalid:
101         error = OptionValue::SetValueFromCString (value_cstr, op);
102         break;
103     }
104     return error;
105 }
106 
107 lldb::OptionValueSP
108 OptionValueFileSpec::DeepCopy () const
109 {
110     return OptionValueSP(new OptionValueFileSpec(*this));
111 }
112 
113 
114 size_t
115 OptionValueFileSpec::AutoComplete (CommandInterpreter &interpreter,
116                                    const char *s,
117                                    int match_start_point,
118                                    int max_return_elements,
119                                    bool &word_complete,
120                                    StringList &matches)
121 {
122     word_complete = false;
123     matches.Clear();
124     CommandCompletions::InvokeCommonCompletionCallbacks (interpreter,
125                                                          m_completion_mask,
126                                                          s,
127                                                          match_start_point,
128                                                          max_return_elements,
129                                                          NULL,
130                                                          word_complete,
131                                                          matches);
132     return matches.GetSize();
133 }
134 
135 
136 
137 const lldb::DataBufferSP &
138 OptionValueFileSpec::GetFileContents(bool null_terminate)
139 {
140     if (!m_data_sp && m_current_value)
141     {
142         if (null_terminate)
143             m_data_sp = m_current_value.ReadFileContentsAsCString();
144         else
145             m_data_sp = m_current_value.ReadFileContents();
146     }
147     return m_data_sp;
148 }
149 
150 
151