101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
|
|
|
|
#ifndef QMLTCOUTPUTPRIMITIVES_H
|
|
#define QMLTCOUTPUTPRIMITIVES_H
|
|
|
|
#include <QtCore/qstack.h>
|
|
#include <QtCore/qstring.h>
|
|
#include <QtCore/qstringbuilder.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
struct QmltcOutput
|
|
{
|
|
QString header;
|
|
QString cpp;
|
|
};
|
|
|
|
class QmltcOutputWrapper
|
|
{
|
|
QmltcOutput &m_code;
|
|
|
|
template<typename String>
|
|
static void rawAppend(QString &out, const String &what, int extraIndent = 0)
|
|
{
|
|
constexpr char16_t newLine[] = u"\n";
|
|
out += QString(extraIndent * 4, u' ') + what + newLine;
|
|
}
|
|
|
|
public:
|
|
QmltcOutputWrapper(QmltcOutput &code) : m_code(code) { }
|
|
const QmltcOutput &code() const { return m_code; }
|
|
|
|
QStack<QString> memberScopes; // member name scopes e.g. MyClass::MySubclass::
|
|
int headerIndent = 0; // header indentation level
|
|
int cppIndent = 0; // cpp indentation level
|
|
|
|
// manages current scope of the generated code, which is necessary for
|
|
// cpp file generation. Example:
|
|
// class MyClass { MyClass(); }; - in header
|
|
// MyClass::MyClass() {} - in cpp
|
|
// MemberNameScope makes sure "MyClass::" is recorded
|
|
struct MemberNameScope
|
|
{
|
|
QmltcOutputWrapper *m_code;
|
|
MemberNameScope(QmltcOutputWrapper *code, const QString &str) : m_code(code)
|
|
{
|
|
m_code->memberScopes.push(str);
|
|
}
|
|
~MemberNameScope() { m_code->memberScopes.pop(); }
|
|
Q_DISABLE_COPY_MOVE(MemberNameScope)
|
|
};
|
|
|
|
struct HeaderIndentationScope
|
|
{
|
|
QmltcOutputWrapper *m_code;
|
|
HeaderIndentationScope(QmltcOutputWrapper *code) : m_code(code) { ++m_code->headerIndent; }
|
|
~HeaderIndentationScope() { --m_code->headerIndent; }
|
|
Q_DISABLE_COPY_MOVE(HeaderIndentationScope)
|
|
};
|
|
|
|
struct CppIndentationScope
|
|
{
|
|
QmltcOutputWrapper *m_code;
|
|
CppIndentationScope(QmltcOutputWrapper *code) : m_code(code) { ++m_code->cppIndent; }
|
|
~CppIndentationScope() { --m_code->cppIndent; }
|
|
Q_DISABLE_COPY_MOVE(CppIndentationScope)
|
|
};
|
|
|
|
// appends string \a what with extra indentation \a extraIndent to current
|
|
// header string
|
|
template<typename String>
|
|
void rawAppendToHeader(const String &what, int extraIndent = 0)
|
|
{
|
|
rawAppend(m_code.header, what, headerIndent + extraIndent);
|
|
}
|
|
|
|
// appends string \a what with extra indentation \a extraIndent to current
|
|
// cpp string
|
|
template<typename String>
|
|
void rawAppendToCpp(const String &what, int extraIndent = 0)
|
|
{
|
|
rawAppend(m_code.cpp, what, cppIndent + extraIndent);
|
|
}
|
|
|
|
// special case of rawAppendToCpp that makes sure that string "foo()"
|
|
// becomes "MyClass::foo()"
|
|
template<typename String>
|
|
void rawAppendSignatureToCpp(const String &what, int extraIndent = 0)
|
|
{
|
|
QString signatureScope;
|
|
for (const auto &scope : memberScopes)
|
|
signatureScope += scope + u"::";
|
|
rawAppendToCpp(signatureScope + what, extraIndent);
|
|
}
|
|
};
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // QMLTCOUTPUTPRIMITIVES_H
|