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52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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#ifndef MATH_ITERATOR_H
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#define MATH_ITERATOR_H
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#include "math_cursor.h"
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// this helper struct is used for traversing math insets
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class MathIterator {
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public:
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/// default constructor, used for end of range
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MathIterator();
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/// start with given formula
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explicit MathIterator(MathInset * p);
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/// start with given position
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explicit MathIterator(MathCursor::cursor_type const & cursor);
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///
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MathCursorPos const & operator*() const;
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///
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MathCursorPos const & operator->() const;
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///
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void operator++();
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/// read access to top most item
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MathCursorPos const & position() const;
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/// write access to top most item
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MathCursorPos & position();
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/// read access to full path
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MathCursor::cursor_type const & cursor() const;
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/// read access to top most inset
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MathInset * par() const;
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private:
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/// write access to top most item
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MathXArray const & xcell() const;
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/// write access to top most item
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MathInset * nextInset() const;
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/// own level down
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void push(MathInset *);
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/// own level up
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void pop();
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/// current position
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MathCursor::cursor_type cursor_;
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};
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///
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bool operator==(MathIterator const &, MathIterator const &);
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///
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bool operator!=(MathIterator const &, MathIterator const &);
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#endif
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