1 //===-- OptionValueFileSpecList.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/Interpreter/OptionValueFileSpecList.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/Core/Stream.h"
17 #include "lldb/Host/StringConvert.h"
18 #include "lldb/Interpreter/Args.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 void
24 OptionValueFileSpecList::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
25 {
26     if (dump_mask & eDumpOptionType)
27         strm.Printf ("(%s)", GetTypeAsCString ());
28     if (dump_mask & eDumpOptionValue)
29     {
30         if (dump_mask & eDumpOptionType)
31             strm.Printf (" =%s", m_current_value.GetSize() > 0 ? "\n" : "");
32         strm.IndentMore();
33         const uint32_t size = m_current_value.GetSize();
34         for (uint32_t i = 0; i<size; ++i)
35         {
36             strm.Indent();
37             strm.Printf("[%u]: ", i);
38             m_current_value.GetFileSpecAtIndex(i).Dump(&strm);
39         }
40         strm.IndentLess();
41     }
42 }
43 
44 Error
45 OptionValueFileSpecList::SetValueFromString (llvm::StringRef value, VarSetOperationType op)
46 {
47     Error error;
48     Args args(value.str().c_str());
49     const size_t argc = args.GetArgumentCount();
50 
51     switch (op)
52     {
53         case eVarSetOperationClear:
54             Clear ();
55             NotifyValueChanged();
56             break;
57 
58         case eVarSetOperationReplace:
59             if (argc > 1)
60             {
61                 uint32_t idx = StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
62                 const uint32_t count = m_current_value.GetSize();
63                 if (idx > count)
64                 {
65                     error.SetErrorStringWithFormat("invalid file list index %u, index must be 0 through %u", idx, count);
66                 }
67                 else
68                 {
69                     for (size_t i=1; i<argc; ++i, ++idx)
70                     {
71                         FileSpec file (args.GetArgumentAtIndex(i), false);
72                         if (idx < count)
73                             m_current_value.Replace(idx, file);
74                         else
75                             m_current_value.Append(file);
76                     }
77                     NotifyValueChanged();
78                 }
79             }
80             else
81             {
82                 error.SetErrorString("replace operation takes an array index followed by one or more values");
83             }
84             break;
85 
86 
87 
88         case eVarSetOperationAssign:
89             m_current_value.Clear();
90             // Fall through to append case
91             LLVM_FALLTHROUGH;
92         case eVarSetOperationAppend:
93             if (argc > 0)
94             {
95                 m_value_was_set = true;
96                 for (size_t i=0; i<argc; ++i)
97                 {
98                     FileSpec file (args.GetArgumentAtIndex(i), false);
99                     m_current_value.Append(file);
100                 }
101                 NotifyValueChanged();
102             }
103             else
104             {
105                 error.SetErrorString("assign operation takes at least one file path argument");
106             }
107             break;
108 
109         case eVarSetOperationInsertBefore:
110         case eVarSetOperationInsertAfter:
111             if (argc > 1)
112             {
113                 uint32_t idx = StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
114                 const uint32_t count = m_current_value.GetSize();
115                 if (idx > count)
116                 {
117                     error.SetErrorStringWithFormat("invalid insert file list index %u, index must be 0 through %u", idx, count);
118                 }
119                 else
120                 {
121                     if (op == eVarSetOperationInsertAfter)
122                         ++idx;
123                     for (size_t i=1; i<argc; ++i, ++idx)
124                     {
125                         FileSpec file (args.GetArgumentAtIndex(i), false);
126                         m_current_value.Insert (idx, file);
127                     }
128                     NotifyValueChanged();
129                 }
130             }
131             else
132             {
133                 error.SetErrorString("insert operation takes an array index followed by one or more values");
134             }
135             break;
136 
137         case eVarSetOperationRemove:
138             if (argc > 0)
139             {
140                 std::vector<int> remove_indexes;
141                 bool all_indexes_valid = true;
142                 size_t i;
143                 for (i=0; all_indexes_valid && i<argc; ++i)
144                 {
145                     const int idx = StringConvert::ToSInt32(args.GetArgumentAtIndex(i), INT32_MAX);
146                     if (idx == INT32_MAX)
147                         all_indexes_valid = false;
148                     else
149                         remove_indexes.push_back(idx);
150                 }
151 
152                 if (all_indexes_valid)
153                 {
154                     size_t num_remove_indexes = remove_indexes.size();
155                     if (num_remove_indexes)
156                     {
157                         // Sort and then erase in reverse so indexes are always valid
158                         std::sort(remove_indexes.begin(), remove_indexes.end());
159                         for (size_t j=num_remove_indexes-1; j<num_remove_indexes; ++j)
160                         {
161                             m_current_value.Remove (j);
162                         }
163                     }
164                     NotifyValueChanged();
165                 }
166                 else
167                 {
168                     error.SetErrorStringWithFormat("invalid array index '%s', aborting remove operation", args.GetArgumentAtIndex(i));
169                 }
170             }
171             else
172             {
173                 error.SetErrorString("remove operation takes one or more array index");
174             }
175             break;
176 
177         case eVarSetOperationInvalid:
178             error = OptionValue::SetValueFromString (value, op);
179             break;
180     }
181     return error;
182 }
183 
184 lldb::OptionValueSP
185 OptionValueFileSpecList::DeepCopy () const
186 {
187     return OptionValueSP(new OptionValueFileSpecList(*this));
188 }
189 
190 
191