// -*- C++ -*-
+/**
+ * \file ParagraphList.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Angus Leeming
+ *
+ * Full author contact details are available in file CREDITS.
+ */
#ifndef PARAGRAPH_LIST_H
#define PARAGRAPH_LIST_H
-#include <iterator>
+#include "Paragraph.h"
-class Paragraph;
+#include "support/RandomAccessList.h"
-///
-class ParagraphList {
+
+namespace lyx {
+
+/// Container for all kind of Paragraphs used in LyX.
+class ParagraphList : public RandomAccessList<Paragraph> {
public:
///
- class iterator {
- public:
- ///
- typedef std::bidirectional_iterator_tag iterator_category;
- ///
- typedef Paragraph * value_type;
- ///
- typedef ptrdiff_t difference_type;
- ///
- typedef Paragraph * pointer;
- ///
- typedef Paragraph & reference;
- ///
- iterator();
- ///
- iterator(value_type);
- ///
- reference operator*();
- ///
- pointer operator->();
- ///
- iterator & operator++();
- ///
- iterator operator++(int);
- ///
- iterator & operator--();
- ///
- iterator operator--(int);
- private:
- ///
- Paragraph * ptr;
- };
- ///
- ParagraphList();
- ///
- iterator insert(iterator it, Paragraph * par);
- ///
- void clear();
- ///
- void erase(iterator it);
- ///
- iterator begin();
- ///
- iterator begin() const;
- ///
- iterator end();
+ ParagraphList() {}
///
- iterator end() const;
- ///
- void set(Paragraph *);
- ///
- void push_back(Paragraph *);
- ///
- Paragraph const * back() const;
- ///
- Paragraph * back();
- ///
- int size() const;
- ///
- bool empty() const;
-private:
- ///
- Paragraph * parlist;
+ template<class InputIterator>
+ ParagraphList(InputIterator first, InputIterator last)
+ : RandomAccessList<Paragraph>(first, last)
+ {}
+
+ const Paragraph * getParagraphBefore(const_iterator const & par) const
+ {
+ // No previous paragraph.
+ if (par == begin())
+ return nullptr;
+
+ auto prevpar = par;
+ --prevpar;
+ return &*prevpar;
+ }
};
-///
-bool operator==(ParagraphList::iterator const & i1,
- ParagraphList::iterator const & i2);
-///
-bool operator!=(ParagraphList::iterator const & i1,
- ParagraphList::iterator const & i2);
+} // namespace lyx
#endif