aboutsummaryrefslogtreecommitdiff
path: root/source/Interpreter/OptionValueBoolean.cpp
blob: 6471943ee5dcd709ee06df55bcc7e07da8aff90b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
//===-- OptionValueBoolean.cpp ------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/Interpreter/OptionValueBoolean.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Stream.h"
#include "lldb/Core/StringList.h"
#include "lldb/Interpreter/Args.h"

using namespace lldb;
using namespace lldb_private;

void
OptionValueBoolean::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
{
    if (dump_mask & eDumpOptionType)
        strm.Printf ("(%s)", GetTypeAsCString ());
//    if (dump_mask & eDumpOptionName)
//        DumpQualifiedName (strm);
    if (dump_mask & eDumpOptionValue)
    {
        if (dump_mask & eDumpOptionType)
            strm.PutCString (" = ");
        strm.PutCString (m_current_value ? "true" : "false");
    }
}

Error
OptionValueBoolean::SetValueFromCString (const char *value_cstr,
                                         VarSetOperationType op)
{
    Error error;
    switch (op)
    {
    case eVarSetOperationClear:
        Clear();
        break;

    case eVarSetOperationReplace:
    case eVarSetOperationAssign:
        {
            bool success = false;
            bool value = Args::StringToBoolean(value_cstr, false, &success);
            if (success)
            {
                m_value_was_set = true;
                m_current_value = value;
            }
            else
            {
                if (value_cstr == NULL)
                    error.SetErrorString ("invalid boolean string value: NULL");
                else if (value_cstr[0] == '\0')
                    error.SetErrorString ("invalid boolean string value <empty>");
                else
                    error.SetErrorStringWithFormat ("invalid boolean string value: '%s'", value_cstr);
            }
        }
        break;

    case eVarSetOperationInsertBefore:
    case eVarSetOperationInsertAfter:
    case eVarSetOperationRemove:
    case eVarSetOperationAppend:
    case eVarSetOperationInvalid:
        error = OptionValue::SetValueFromCString (value_cstr, op);
        break;
    }
    return error;
}

lldb::OptionValueSP
OptionValueBoolean::DeepCopy () const
{
    return OptionValueSP(new OptionValueBoolean(*this));
}

size_t
OptionValueBoolean::AutoComplete (CommandInterpreter &interpreter,
                                  const char *s,
                                  int match_start_point,
                                  int max_return_elements,
                                  bool &word_complete,
                                  StringList &matches)
{
    word_complete = false;
    matches.Clear();
    struct StringEntry {
        const char *string;
        const size_t length;
    };
    static const StringEntry g_autocomplete_entries[] =
    {
        { "true" , 4 },
        { "false", 5 },
        { "on"   , 2 },
        { "off"  , 3 },
        { "yes"  , 3 },
        { "no"   , 2 },
        { "1"    , 1 },
        { "0"    , 1 },
    };
    const size_t k_num_autocomplete_entries = sizeof(g_autocomplete_entries)/sizeof(StringEntry);
    
    if (s && s[0])
    {
        const size_t s_len = strlen(s);
        for (size_t i=0; i<k_num_autocomplete_entries; ++i)
        {
            if (s_len <= g_autocomplete_entries[i].length)
                if (::strncasecmp(s, g_autocomplete_entries[i].string, s_len) == 0)
                    matches.AppendString(g_autocomplete_entries[i].string);
        }
    }
    else
    {
        // only suggest "true" or "false" by default
        for (size_t i=0; i<2; ++i)
            matches.AppendString(g_autocomplete_entries[i].string);
    }
    return matches.GetSize();
}