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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef PROITEMS_H
#define PROITEMS_H
#include "proparser_global.h"
#include <QtCore/QString>
#include <QtCore/QVector>
QT_BEGIN_NAMESPACE
#ifdef PROPARSER_THREAD_SAFE
typedef QAtomicInt ProItemRefCount;
#else
class ProItemRefCount {
public:
ProItemRefCount(int cnt = 0) : m_cnt(cnt) {}
bool ref() { return ++m_cnt != 0; }
bool deref() { return --m_cnt != 0; }
ProItemRefCount &operator=(int value) { m_cnt = value; return *this; }
private:
int m_cnt;
};
#endif
namespace ProStringConstants {
enum OmitPreHashing { NoHash };
}
class ProStringList;
class ProFile;
class ProString {
public:
ProString();
ProString(const ProString &other);
ProString(const ProString &other, ProStringConstants::OmitPreHashing);
explicit ProString(const QString &str);
ProString(const QString &str, ProStringConstants::OmitPreHashing);
explicit ProString(const char *str);
ProString(const char *str, ProStringConstants::OmitPreHashing);
ProString(const QString &str, int offset, int length);
ProString(const QString &str, int offset, int length, uint hash);
ProString(const QString &str, int offset, int length, ProStringConstants::OmitPreHashing);
void setValue(const QString &str);
void setValue(const QString &str, ProStringConstants::OmitPreHashing);
ProString &setSource(const ProString &other) { m_file = other.m_file; return *this; }
ProString &setSource(const ProFile *pro) { m_file = pro; return *this; }
const ProFile *sourceFile() const { return m_file; }
QString toQString() const;
QString &toQString(QString &tmp) const;
ProString &operator+=(const ProString &other);
ProString &append(const ProString &other, bool *pending = 0);
ProString &append(const ProStringList &other, bool *pending = 0, bool skipEmpty1st = false);
bool operator==(const ProString &other) const;
bool operator==(const QString &other) const;
bool operator==(const QLatin1String &other) const;
bool operator!=(const ProString &other) const { return !(*this == other); }
bool operator!=(const QString &other) const { return !(*this == other); }
bool operator!=(const QLatin1String &other) const { return !(*this == other); }
bool isEmpty() const { return !m_length; }
int size() const { return m_length; }
const QChar *constData() const { return m_string.constData() + m_offset; }
ProString mid(int off, int len = -1) const;
ProString left(int len) const { return mid(0, len); }
ProString right(int len) const { return mid(qMax(0, size() - len)); }
ProString trimmed() const;
void clear() { m_string.clear(); m_length = 0; }
static uint hash(const QChar *p, int n);
private:
QString m_string;
int m_offset, m_length;
const ProFile *m_file;
mutable uint m_hash;
QChar *prepareAppend(int extraLen);
uint updatedHash() const;
friend uint qHash(const ProString &str);
friend QString operator+(const ProString &one, const ProString &two);
};
Q_DECLARE_TYPEINFO(ProString, Q_MOVABLE_TYPE);
uint qHash(const ProString &str);
QString operator+(const ProString &one, const ProString &two);
inline QString operator+(const ProString &one, const QString &two)
{ return one + ProString(two, ProStringConstants::NoHash); }
inline QString operator+(const QString &one, const ProString &two)
{ return ProString(one, ProStringConstants::NoHash) + two; }
class ProStringList : public QVector<ProString> {
public:
ProStringList() {}
ProStringList(const ProString &str) { *this << str; }
QString join(const QString &sep) const;
void removeDuplicates();
};
// These token definitions affect both ProFileEvaluator and ProWriter
enum ProToken {
TokTerminator = 0, // end of stream (possibly not included in length; must be zero)
TokLine, // line marker:
// - line (1)
TokAssign, // variable =
TokAppend, // variable +=
TokAppendUnique, // variable *=
TokRemove, // variable -=
TokReplace, // variable ~=
// previous literal/expansion is a variable manipulation
// - value expression + TokValueTerminator
TokValueTerminator, // assignment value terminator
TokLiteral, // literal string (fully dequoted)
// - length (1)
// - string data (length; unterminated)
TokHashLiteral, // literal string with hash (fully dequoted)
// - hash (2)
// - length (1)
// - string data (length; unterminated)
TokVariable, // qmake variable expansion
// - hash (2)
// - name length (1)
// - name (name length; unterminated)
TokProperty, // qmake property expansion
// - name length (1)
// - name (name length; unterminated)
TokEnvVar, // environment variable expansion
// - name length (1)
// - name (name length; unterminated)
TokFuncName, // replace function expansion
// - hash (2)
// - name length (1)
// - name (name length; unterminated)
// - ((nested expansion + TokArgSeparator)* + nested expansion)?
// - TokFuncTerminator
TokArgSeparator, // function argument separator
TokFuncTerminator, // function argument list terminator
TokCondition, // previous literal/expansion is a conditional
TokTestCall, // previous literal/expansion is a test function call
// - ((nested expansion + TokArgSeparator)* + nested expansion)?
// - TokFuncTerminator
TokNot, // '!' operator
TokAnd, // ':' operator
TokOr, // '|' operator
TokBranch, // branch point:
// - then block length (2)
// - then block + TokTerminator (then block length)
// - else block length (2)
// - else block + TokTerminator (else block length)
TokForLoop, // for loop:
// - variable name: hash (2), length (1), chars (length)
// - expression: length (2), bytes + TokValueTerminator (length)
// - body length (2)
// - body + TokTerminator (body length)
TokTestDef, // test function definition:
TokReplaceDef, // replace function definition:
// - function name: hash (2), length (1), chars (length)
// - body length (2)
// - body + TokTerminator (body length)
TokMask = 0xff,
TokQuoted = 0x100, // The expression is quoted => join expanded stringlist
TokNewStr = 0x200 // Next stringlist element
};
class PROPARSER_EXPORT ProFile
{
public:
explicit ProFile(const QString &fileName);
~ProFile();
QString fileName() const { return m_fileName; }
QString directoryName() const { return m_directoryName; }
const QString &items() const { return m_proitems; }
QString *itemsRef() { return &m_proitems; }
const ushort *tokPtr() const { return (const ushort *)m_proitems.constData(); }
void ref() { m_refCount.ref(); }
void deref() { if (!m_refCount.deref()) delete this; }
bool isOk() const { return m_ok; }
void setOk(bool ok) { m_ok = ok; }
private:
ProItemRefCount m_refCount;
QString m_proitems;
QString m_fileName;
QString m_directoryName;
bool m_ok;
};
QT_END_NAMESPACE
#endif // PROITEMS_H
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