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 
OptionValueFileSpec()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 
OptionValueFileSpec(const FileSpec & value)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 
OptionValueFileSpec(const FileSpec & current_value,const FileSpec & default_value)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
DumpValue(const ExecutionContext * exe_ctx,Stream & strm,uint32_t dump_mask)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
SetValueFromCString(const char * value_cstr,VarSetOperationType op)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             Args args(value_cstr);
88             if (args.GetArgumentCount() == 1)
89             {
90                 const char *path = args.GetArgumentAtIndex(0);
91                 m_value_was_set = true;
92                 m_current_value.SetFile(path, true);
93             }
94             else
95             {
96                 error.SetErrorString("please supply a single path argument for this file or quote the path if it contains spaces");
97             }
98         }
99         else
100         {
101             error.SetErrorString("invalid value string");
102         }
103         break;
104 
105     case eVarSetOperationInsertBefore:
106     case eVarSetOperationInsertAfter:
107     case eVarSetOperationRemove:
108     case eVarSetOperationAppend:
109     case eVarSetOperationInvalid:
110         error = OptionValue::SetValueFromCString (value_cstr, op);
111         break;
112     }
113     return error;
114 }
115 
116 lldb::OptionValueSP
DeepCopy() const117 OptionValueFileSpec::DeepCopy () const
118 {
119     return OptionValueSP(new OptionValueFileSpec(*this));
120 }
121 
122 
123 size_t
AutoComplete(CommandInterpreter & interpreter,const char * s,int match_start_point,int max_return_elements,bool & word_complete,StringList & matches)124 OptionValueFileSpec::AutoComplete (CommandInterpreter &interpreter,
125                                    const char *s,
126                                    int match_start_point,
127                                    int max_return_elements,
128                                    bool &word_complete,
129                                    StringList &matches)
130 {
131     word_complete = false;
132     matches.Clear();
133     CommandCompletions::InvokeCommonCompletionCallbacks (interpreter,
134                                                          m_completion_mask,
135                                                          s,
136                                                          match_start_point,
137                                                          max_return_elements,
138                                                          NULL,
139                                                          word_complete,
140                                                          matches);
141     return matches.GetSize();
142 }
143 
144 
145 
146 const lldb::DataBufferSP &
GetFileContents(bool null_terminate)147 OptionValueFileSpec::GetFileContents(bool null_terminate)
148 {
149     if (!m_data_sp && m_current_value)
150     {
151         if (null_terminate)
152             m_data_sp = m_current_value.ReadFileContentsAsCString();
153         else
154             m_data_sp = m_current_value.ReadFileContents();
155     }
156     return m_data_sp;
157 }
158 
159 
160