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43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
#ifndef SHARED_EXPRESSION_MODEL_H
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#define SHARED_EXPRESSION_MODEL_H
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#include <poincare/context.h>
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#include <poincare/expression.h>
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#include <poincare/layout.h>
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namespace Shared {
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class ExpressionModel {
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public:
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ExpressionModel();
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// Getters
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void text(const Ion::Storage::Record * record, char * buffer, size_t bufferSize, CodePoint symbol = 0) const;
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Poincare::Expression expressionReduced(const Ion::Storage::Record * record, Poincare::Context * context) const;
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Poincare::Expression expressionClone(const Ion::Storage::Record * record) const;
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Poincare::Layout layout(const Ion::Storage::Record * record, CodePoint symbol = 0) const;
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// Setters
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Ion::Storage::Record::ErrorStatus setContent(Ion::Storage::Record * record, const char * c, CodePoint symbol = 0);
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Ion::Storage::Record::ErrorStatus setExpressionContent(Ion::Storage::Record * record, Poincare::Expression & e);
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// Property
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bool isCircularlyDefined(const Ion::Storage::Record * record, Poincare::Context * context) const;
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virtual void * expressionAddress(const Ion::Storage::Record * record) const = 0;
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virtual void tidy() const;
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protected:
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// Setters helper
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static Poincare::Expression BuildExpressionFromText(const char * c, char symbol = 0);
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mutable Poincare::Expression m_expression;
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mutable Poincare::Layout m_layout;
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private:
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virtual void updateNewDataWithExpression(Ion::Storage::Record * record, Poincare::Expression & expressionToStore, void * expressionAddress, size_t expressionToStoreSize, size_t previousExpressionSize);
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virtual size_t expressionSize(const Ion::Storage::Record * record) const = 0;
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mutable int m_circular;
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};
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}
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#endif
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