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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMETAOBJECT_P_H
#define QMETAOBJECT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of moc. This header file may change from version to version without notice,
// or even be removed.
//
// We mean it.
//
#include <QtCore/qglobal.h>
#include <QtCore/qobjectdefs.h>
QT_BEGIN_NAMESPACE
enum PropertyFlags {
Invalid = 0x00000000,
Readable = 0x00000001,
Writable = 0x00000002,
Resettable = 0x00000004,
EnumOrFlag = 0x00000008,
StdCppSet = 0x00000100,
// Override = 0x00000200,
Constant = 0x00000400,
Final = 0x00000800,
Designable = 0x00001000,
ResolveDesignable = 0x00002000,
Scriptable = 0x00004000,
ResolveScriptable = 0x00008000,
Stored = 0x00010000,
ResolveStored = 0x00020000,
Editable = 0x00040000,
ResolveEditable = 0x00080000,
User = 0x00100000,
ResolveUser = 0x00200000,
Notify = 0x00400000
};
enum MethodFlags {
AccessPrivate = 0x00,
AccessProtected = 0x01,
AccessPublic = 0x02,
AccessMask = 0x03, //mask
MethodMethod = 0x00,
MethodSignal = 0x04,
MethodSlot = 0x08,
MethodConstructor = 0x0c,
MethodTypeMask = 0x0c,
MethodCompatibility = 0x10,
MethodCloned = 0x20,
MethodScriptable = 0x40
};
enum MetaObjectFlags {
DynamicMetaObject = 0x01
};
class QMutex;
struct QMetaObjectPrivate
{
int revision;
int className;
int classInfoCount, classInfoData;
int methodCount, methodData;
int propertyCount, propertyData;
int enumeratorCount, enumeratorData;
int constructorCount, constructorData; //since revision 2
int flags; //since revision 3
int signalCount; //since revision 4
// revision 5 introduces changes in normalized signatures, no new members
static inline const QMetaObjectPrivate *get(const QMetaObject *metaobject)
{ return reinterpret_cast<const QMetaObjectPrivate*>(metaobject->d.data); }
static int indexOfSignalRelative(const QMetaObject **baseObject,
const char* name,
bool normalizeStringData);
static int indexOfSlot(const QMetaObject *m,
const char *slot,
bool normalizeStringData);
static int originalClone(const QMetaObject *obj, int local_method_index);
#ifndef QT_NO_QOBJECT
//defined in qobject.cpp
enum DisconnectType { DisconnectAll, DisconnectOne };
static bool connect(const QObject *sender, int signal_index,
const QObject *receiver, int method_index,
int type = 0, int *types = 0);
static bool disconnect(const QObject *sender, int signal_index,
const QObject *receiver, int method_index,
DisconnectType = DisconnectAll);
static inline bool disconnectHelper(QObjectPrivate::Connection *c,
const QObject *receiver, int method_index,
QMutex *senderMutex, DisconnectType);
#endif
};
#ifndef UTILS_H
// mirrored in moc's utils.h
static inline bool is_ident_char(char s)
{
return ((s >= 'a' && s <= 'z')
|| (s >= 'A' && s <= 'Z')
|| (s >= '0' && s <= '9')
|| s == '_'
);
}
static inline bool is_space(char s)
{
return (s == ' ' || s == '\t');
}
#endif
// This code is shared with moc.cpp
static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixScope = false, bool adjustConst = true)
{
int len = e - t;
/*
Convert 'char const *' into 'const char *'. Start at index 1,
not 0, because 'const char *' is already OK.
*/
QByteArray constbuf;
for (int i = 1; i < len; i++) {
if ( t[i] == 'c'
&& strncmp(t + i + 1, "onst", 4) == 0
&& (i + 5 >= len || !is_ident_char(t[i + 5]))
&& !is_ident_char(t[i-1])
) {
constbuf = QByteArray(t, len);
if (is_space(t[i-1]))
constbuf.remove(i-1, 6);
else
constbuf.remove(i, 5);
constbuf.prepend("const ");
t = constbuf.data();
e = constbuf.data() + constbuf.length();
break;
}
/*
We musn't convert 'char * const *' into 'const char **'
and we must beware of 'Bar<const Bla>'.
*/
if (t[i] == '&' || t[i] == '*' ||t[i] == '<')
break;
}
if (adjustConst && e > t + 6 && strncmp("const ", t, 6) == 0) {
if (*(e-1) == '&') { // treat const reference as value
t += 6;
--e;
} else if (is_ident_char(*(e-1)) || *(e-1) == '>') { // treat const value as value
t += 6;
}
}
QByteArray result;
result.reserve(len);
#if 1
// consume initial 'const '
if (strncmp("const ", t, 6) == 0) {
t+= 6;
result += "const ";
}
#endif
// some type substitutions for 'unsigned x'
if (strncmp("unsigned", t, 8) == 0) {
// make sure "unsigned" is an isolated word before making substitutions
if (!t[8] || !is_ident_char(t[8])) {
if (strncmp(" int", t+8, 4) == 0) {
t += 8+4;
result += "uint";
} else if (strncmp(" long", t+8, 5) == 0) {
if ((strlen(t + 8 + 5) < 4 || strncmp(t + 8 + 5, " int", 4) != 0) // preserve '[unsigned] long int'
&& (strlen(t + 8 + 5) < 5 || strncmp(t + 8 + 5, " long", 5) != 0) // preserve '[unsigned] long long'
) {
t += 8+5;
result += "ulong";
}
} else if (strncmp(" short", t+8, 6) != 0 // preserve unsigned short
&& strncmp(" char", t+8, 5) != 0) { // preserve unsigned char
// treat rest (unsigned) as uint
t += 8;
result += "uint";
}
}
} else {
// discard 'struct', 'class', and 'enum'; they are optional
// and we don't want them in the normalized signature
struct {
const char *keyword;
int len;
} optional[] = {
{ "struct ", 7 },
{ "class ", 6 },
{ "enum ", 5 },
{ 0, 0 }
};
int i = 0;
do {
if (strncmp(optional[i].keyword, t, optional[i].len) == 0) {
t += optional[i].len;
break;
}
} while (optional[++i].keyword != 0);
}
bool star = false;
while (t != e) {
char c = *t++;
if (fixScope && c == ':' && *t == ':' ) {
++t;
c = *t++;
int i = result.size() - 1;
while (i >= 0 && is_ident_char(result.at(i)))
--i;
result.resize(i + 1);
}
star = star || c == '*';
result += c;
if (c == '<') {
//template recursion
const char* tt = t;
int templdepth = 1;
while (t != e) {
c = *t++;
if (c == '<')
++templdepth;
if (c == '>')
--templdepth;
if (templdepth == 0 || (templdepth == 1 && c == ',')) {
result += normalizeTypeInternal(tt, t-1, fixScope, false);
result += c;
if (templdepth == 0) {
if (*t == '>')
result += ' '; // avoid >>
break;
}
tt = t;
}
}
}
// cv qualifers can appear after the type as well
if (!is_ident_char(c) && t != e && (e - t >= 5 && strncmp("const", t, 5) == 0)
&& (e - t == 5 || !is_ident_char(t[5]))) {
t += 5;
while (t != e && is_space(*t))
++t;
if (adjustConst && t != e && *t == '&') {
// treat const ref as value
++t;
} else if (adjustConst && !star) {
// treat const as value
} else if (!star) {
// move const to the front (but not if const comes after a *)
result.prepend("const ");
} else {
// keep const after a *
result += "const";
}
}
}
return result;
}
QT_END_NAMESPACE
#endif
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