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lex_string.h
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include <cstddef>
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#include <drizzled/util/data_ref.h>
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namespace
drizzled {
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/*
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lex_string_t -- a pair of a C-string and its length.
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*/
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/* This definition must match the one given in mysql/plugin.h */
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struct
lex_string_t
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{
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const
char
* begin()
const
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{
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return
data();
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}
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const
char
* end()
const
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{
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return
data() + size();
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}
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const
char
* data()
const
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{
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return
str_;
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}
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size_t
size()
const
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{
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return
length_;
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}
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void
assign(
const
char
* d,
size_t
s)
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{
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str_=
const_cast<
char
*
>
(d);
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length_ = s;
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}
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void
operator=(
str_ref
v)
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{
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assign(v.data(), v.size());
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}
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char
* str_;
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size_t
length_;
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};
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inline
const
lex_string_t
&null_lex_string()
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{
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static
lex_string_t
tmp= { NULL, 0 };
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return
tmp;
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}
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struct
execute_string_t
:
public
lex_string_t
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{
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private
:
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bool
is_variable;
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public
:
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bool
isVariable()
const
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{
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return
is_variable;
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}
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void
set
(
const
lex_string_t
& s,
bool
is_variable_arg=
false
)
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{
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is_variable= is_variable_arg;
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static_cast<
lex_string_t
&
>
(*this) = s;
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}
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};
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#define STRING_WITH_LEN(X) (X), (sizeof(X) - 1)
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#define C_STRING_WITH_LEN(X) const_cast<char*>(X), (sizeof(X) - 1)
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}
/* namespace drizzled */
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drizzled
lex_string.h
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