add more functions to ParagraphList

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6906 a592a061-630c-0410-9148-cb99ea01b6c8

src/ChangeLog

@@ -1,5 +1,9 @@
 2003-05-01  Lars Gullik Bjønnes  <larsbj@gullik.net>
 
+	* ParagraphList.C (ParagraphList): implement copy constructor
+	(operator=): implement, base on copy constructor.
+	(assign): new func
+
 	* paragraph.C (erase): return a bool
 
 	* paragraph_pimpl.C (erasePos): remove function, move contents...

src/ParagraphList.C

@@ -86,13 +86,35 @@ bool operator!=(ParagraphList::iterator const & i1,
 	return !(i1 == i2);
 }
 
-
+//////////
 ////////// The ParagraphList proper
+//////////
+
 ParagraphList::ParagraphList()
 	: parlist(0)
 {}
 
 
+ParagraphList::ParagraphList(ParagraphList const & pl)
+	: parlist(0)
+{
+	// Deep copy.
+	ParagraphList::iterator it = pl.begin();
+	ParagraphList::iterator end = pl.end();
+	for (; it != end; ++it) {
+		push_back(new Paragraph(*it, false));
+	}
+}
+
+
+ParagraphList & ParagraphList::operator=(ParagraphList const & rhs)
+{
+	ParagraphList tmp(rhs);
+	std::swap(parlist, tmp.parlist);
+	return *this;
+}
+
+
 ParagraphList::iterator
 ParagraphList::insert(ParagraphList::iterator it, Paragraph * par)
 {
@@ -136,6 +158,16 @@ ParagraphList::insert(ParagraphList::iterator it, Paragraph * par)
 }
 
 
+void ParagraphList::assign(iterator beg, iterator end)
+{
+	clear();
+	for (; beg != end; ++beg) {
+		push_back(new Paragraph(*beg, false));
+	}
+}
+
+
+
 void ParagraphList::clear()
 {
 #ifndef NO_NEXT

src/ParagraphList.h

@@ -47,8 +47,14 @@ public:
 	///
 	ParagraphList();
 	///
+	ParagraphList(ParagraphList const &);
+	///
+	ParagraphList & operator=(ParagraphList const &);
+	///
 	iterator insert(iterator it, Paragraph * par);
 	///
+	void assign(iterator beg, iterator end);
+	///
 	void clear();
 	///
 	void erase(iterator it);