forked from OSchip/llvm-project
136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
//===-- OptionValueBoolean.cpp ------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Interpreter/OptionValueBoolean.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/StringList.h"
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#include "lldb/Interpreter/Args.h"
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using namespace lldb;
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using namespace lldb_private;
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void
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OptionValueBoolean::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
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{
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if (dump_mask & eDumpOptionType)
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strm.Printf ("(%s)", GetTypeAsCString ());
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// if (dump_mask & eDumpOptionName)
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// DumpQualifiedName (strm);
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if (dump_mask & eDumpOptionValue)
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{
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if (dump_mask & eDumpOptionType)
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strm.PutCString (" = ");
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strm.PutCString (m_current_value ? "true" : "false");
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}
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}
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Error
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OptionValueBoolean::SetValueFromCString (const char *value_cstr,
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VarSetOperationType op)
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{
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Error error;
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switch (op)
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{
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case eVarSetOperationClear:
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Clear();
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break;
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case eVarSetOperationReplace:
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case eVarSetOperationAssign:
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{
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bool success = false;
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bool value = Args::StringToBoolean(value_cstr, false, &success);
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if (success)
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{
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m_value_was_set = true;
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m_current_value = value;
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}
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else
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{
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if (value_cstr == NULL)
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error.SetErrorString ("invalid boolean string value: NULL");
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else if (value_cstr[0] == '\0')
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error.SetErrorString ("invalid boolean string value <empty>");
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else
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error.SetErrorStringWithFormat ("invalid boolean string value: '%s'", value_cstr);
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}
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}
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break;
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case eVarSetOperationInsertBefore:
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case eVarSetOperationInsertAfter:
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case eVarSetOperationRemove:
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case eVarSetOperationAppend:
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case eVarSetOperationInvalid:
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error = OptionValue::SetValueFromCString (value_cstr, op);
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break;
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}
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return error;
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}
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lldb::OptionValueSP
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OptionValueBoolean::DeepCopy () const
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{
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return OptionValueSP(new OptionValueBoolean(*this));
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}
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size_t
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OptionValueBoolean::AutoComplete (CommandInterpreter &interpreter,
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const char *s,
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int match_start_point,
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int max_return_elements,
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bool &word_complete,
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StringList &matches)
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{
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word_complete = false;
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matches.Clear();
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struct StringEntry {
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const char *string;
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const size_t length;
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};
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static const StringEntry g_autocomplete_entries[] =
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{
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{ "true" , 4 },
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{ "false", 5 },
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{ "on" , 2 },
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{ "off" , 3 },
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{ "yes" , 3 },
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{ "no" , 2 },
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{ "1" , 1 },
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{ "0" , 1 },
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};
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const size_t k_num_autocomplete_entries = sizeof(g_autocomplete_entries)/sizeof(StringEntry);
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if (s && s[0])
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{
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const size_t s_len = strlen(s);
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for (size_t i=0; i<k_num_autocomplete_entries; ++i)
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{
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if (s_len <= g_autocomplete_entries[i].length)
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if (::strncasecmp(s, g_autocomplete_entries[i].string, s_len) == 0)
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matches.AppendString(g_autocomplete_entries[i].string);
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}
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}
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else
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{
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// only suggest "true" or "false" by default
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for (size_t i=0; i<2; ++i)
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matches.AppendString(g_autocomplete_entries[i].string);
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}
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return matches.GetSize();
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}
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