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#ifndef JINJA2CPP_SRC_TESTERS_H
#define JINJA2CPP_SRC_TESTERS_H
#include "expression_evaluator.h"
#include "function_base.h"
#include "jinja2cpp/value.h"
#include "render_context.h"
#include <memory>
#include <functional>
namespace jinja2
{
using TesterPtr = std::shared_ptr<IsExpression::ITester>;
using TesterParams = CallParamsInfo;
extern TesterPtr CreateTester(std::string testerName, CallParamsInfo params);
namespace testers
{
class TesterBase : public FunctionBase, public IsExpression::ITester
{
};
class Comparator : public TesterBase
{
public:
Comparator(TesterParams params, BinaryExpression::Operation op);
bool Test(const InternalValue& baseVal, RenderContext& context) override;
bool IsEqual(const IComparable& other) const override
{
auto* val = dynamic_cast<const Comparator*>(&other);
if (!val)
return false;
return m_op == val->m_op;
}
private:
BinaryExpression::Operation m_op;
};
class StartsWith : public IsExpression::ITester
{
public:
StartsWith(TesterParams);
bool Test(const InternalValue& baseVal, RenderContext& context) override;
bool IsEqual(const IComparable& other) const override
{
auto* val = dynamic_cast<const StartsWith*>(&other);
if (!val)
return false;
return m_stringEval == val->m_stringEval;
}
private:
ExpressionEvaluatorPtr<> m_stringEval;
};
class ValueTester : public TesterBase
{
public:
enum Mode
{
IsDefinedMode,
IsEvenMode,
IsInMode,
IsIterableMode,
IsLowerMode,
IsMappingMode,
IsNumberMode,
IsOddMode,
IsSequenceMode,
IsStringMode,
IsUndefinedMode,
IsUpperMode
};
ValueTester(TesterParams params, Mode mode);
bool Test(const InternalValue& baseVal, RenderContext& context) override;
bool IsEqual(const IComparable& other) const override
{
auto* val = dynamic_cast<const ValueTester*>(&other);
if (!val)
return false;
return m_mode == val->m_mode;
}
private:
Mode m_mode;
};
class UserDefinedTester : public TesterBase
{
public:
UserDefinedTester(std::string filterName, TesterParams params);
bool Test(const InternalValue& baseVal, RenderContext& context) override;
bool IsEqual(const IComparable& other) const override
{
auto* val = dynamic_cast<const UserDefinedTester*>(&other);
if (!val)
return false;
return m_testerName == val->m_testerName && m_callParams == val->m_callParams;
}
private:
std::string m_testerName;
TesterParams m_callParams;
};
} // namespace testers
} // namespace jinja2
#endif // JINJA2CPP_SRC_TESTERS_H
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