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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef CODESNIP_H
#define CODESNIP_H
#include "codesniphelpers.h"
#include "typesystem_enums.h"
#include <QtCore/QList>
#include <QtCore/QHash>
#include <QtCore/QString>
#include <memory>
class TemplateInstance
{
public:
explicit TemplateInstance(const QString &name) : m_name(name) {}
void addReplaceRule(const QString &name, const QString &value)
{
replaceRules[name] = value;
}
QString expandCode() const;
QString name() const
{
return m_name;
}
private:
const QString m_name;
QHash<QString, QString> replaceRules;
};
using TemplateInstancePtr = std::shared_ptr<TemplateInstance>;
class CodeSnipFragment
{
public:
CodeSnipFragment() = default;
explicit CodeSnipFragment(const QString &code) : m_code(code) {}
explicit CodeSnipFragment(const TemplateInstancePtr &instance) : m_instance(instance) {}
bool isEmpty() const { return m_code.isEmpty() && !m_instance; }
QString code() const;
TemplateInstancePtr instance() const { return m_instance; }
private:
QString m_code;
std::shared_ptr<TemplateInstance> m_instance;
};
class CodeSnipAbstract : public CodeSnipHelpers
{
public:
QString code() const;
void addCode(const QString &code);
void addCode(QStringView code) { addCode(code.toString()); }
void addTemplateInstance(const TemplateInstancePtr &ti)
{
codeList.append(CodeSnipFragment(ti));
}
bool isEmpty() const { return codeList.isEmpty(); }
void purgeEmptyFragments();
QList<CodeSnipFragment> codeList;
static QRegularExpression placeHolderRegex(int index);
};
class TemplateEntry : public CodeSnipAbstract
{
public:
explicit TemplateEntry(const QString &name) : m_name(name) {}
QString name() const
{
return m_name;
}
private:
QString m_name;
};
class CodeSnip : public CodeSnipAbstract
{
public:
CodeSnip() = default;
explicit CodeSnip(TypeSystem::Language lang) : language(lang) {}
TypeSystem::Language language = TypeSystem::TargetLangCode;
TypeSystem::CodeSnipPosition position = TypeSystem::CodeSnipPositionAny;
};
/// Purge empty fragments and snippets caused by new line characters in
/// conjunction with <insert-template>.
void purgeEmptyCodeSnips(QList<CodeSnip> *list);
#endif // CODESNIP_H
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