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//===-- OptionValueFormatEntity.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/OptionValueFormatEntity.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Module.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StringList.h"
#include "lldb/Interpreter/CommandInterpreter.h"
using namespace lldb;
using namespace lldb_private;
OptionValueFormatEntity::OptionValueFormatEntity (const char *default_format) :
OptionValue(),
m_current_format (),
m_default_format (),
m_current_entry (),
m_default_entry ()
{
if (default_format && default_format[0])
{
llvm::StringRef default_format_str(default_format);
Error error = FormatEntity::Parse(default_format_str, m_default_entry);
if (error.Success())
{
m_default_format = default_format;
m_current_format = default_format;
m_current_entry = m_default_entry;
}
}
}
bool
OptionValueFormatEntity::Clear ()
{
m_current_entry = m_default_entry;
m_current_format = m_default_format;
m_value_was_set = false;
return true;
}
void
OptionValueFormatEntity::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
{
if (dump_mask & eDumpOptionType)
strm.Printf ("(%s)", GetTypeAsCString ());
if (dump_mask & eDumpOptionValue)
{
if (dump_mask & eDumpOptionType)
strm.PutCString (" = \"");
strm << m_current_format.c_str() << '"';
}
}
Error
OptionValueFormatEntity::SetValueFromString (llvm::StringRef value_str,
VarSetOperationType op)
{
Error error;
switch (op)
{
case eVarSetOperationClear:
Clear();
NotifyValueChanged();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign:
{
// Check if the string starts with a quote character after removing leading and trailing spaces.
// If it does start with a quote character, make sure it ends with the same quote character
// and remove the quotes before we parse the format string. If the string doesn't start with
// a quote, leave the string alone and parse as is.
llvm::StringRef trimmed_value_str = value_str.trim();
if (!trimmed_value_str.empty())
{
const char first_char = trimmed_value_str[0];
if (first_char == '"' || first_char == '\'')
{
const size_t trimmed_len = trimmed_value_str.size();
if (trimmed_len == 1 || value_str[trimmed_len-1] != first_char)
{
error.SetErrorStringWithFormat("mismatched quotes");
return error;
}
value_str = trimmed_value_str.substr(1,trimmed_len-2);
}
}
FormatEntity::Entry entry;
error = FormatEntity::Parse(value_str, entry);
if (error.Success())
{
m_current_entry = std::move(entry);
m_current_format = value_str;
m_value_was_set = true;
NotifyValueChanged();
}
}
break;
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
case eVarSetOperationRemove:
case eVarSetOperationAppend:
case eVarSetOperationInvalid:
error = OptionValue::SetValueFromString (value_str, op);
break;
}
return error;
}
lldb::OptionValueSP
OptionValueFormatEntity::DeepCopy () const
{
return OptionValueSP(new OptionValueFormatEntity(*this));
}
size_t
OptionValueFormatEntity::AutoComplete (CommandInterpreter &interpreter,
const char *s,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches)
{
return FormatEntity::AutoComplete (s, match_start_point, max_return_elements, word_complete, matches);
}
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