bastring.h: Enable exceptions.

* std/bastring.h: Enable exceptions.
 	(assign, append, insert, replace): Implement member template versions.

	* tstring.cc: Add some tests for the member templates.

From-SVN: r15717

libstdc++/ChangeLog

@@ -1,3 +1,8 @@
+Thu Sep 25 19:55:56 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* std/bastring.h: Enable exceptions.
+ 	(assign, append, insert, replace): Implement member template versions.
+
 1997-09-15 02:37  Ulrich Drepper  <drepper@cygnus.com>
 
 	* config/linux.mt: New file.  Make sure _PTHREADS is defined

libstdc++/std/bastring.h

@@ -35,7 +35,7 @@
 #include <cstddef>
 #include <std/straits.h>
 
-#if _G_USE_EXCEPTIONS
+#ifdef __STL_USE_EXCEPTIONS
 
 #include <stdexcept>
 #define OUTOFRANGE(cond) \
@@ -149,14 +149,13 @@ public:
     : dat (nilRep.grab ()) { assign (s); }
   basic_string (size_type n, charT c)
     : dat (nilRep.grab ()) { assign (n, c); }
-#if 0
+#ifdef __STL_MEMBER_TEMPLATES
   template<class InputIterator>
-    basic_string(InputIterator begin, InputIterator end,
-		 Allocator& = Allocator());
+    basic_string(InputIterator begin, InputIterator end)
 #else
   basic_string(const_iterator begin, const_iterator end)
-    : dat (nilRep.grab ()) { assign (begin, end); }
 #endif
+    : dat (nilRep.grab ()) { assign (begin, end); }
 
   ~basic_string ()
     { rep ()->release (); }
@@ -172,13 +171,13 @@ public:
     { return append (s, traits::length (s)); }
   basic_string& append (size_type n, charT c)
     { return replace (length (), 0, n, c); }
-#if 0
+#ifdef __STL_MEMBER_TEMPLATES
   template<class InputIterator>
-    basic_string& append(InputIterator first, InputIterator last);
+    basic_string& append(InputIterator first, InputIterator last)
 #else
   basic_string& append(const_iterator first, const_iterator last)
-    { return replace (length (), 0, first, last - first); }
 #endif
+    { return replace (iend (), iend (), first, last); }
 
   basic_string& assign (const basic_string& str, size_type pos = 0,
 			size_type n = npos)
@@ -189,13 +188,13 @@ public:
     { return assign (s, traits::length (s)); }
   basic_string& assign (size_type n, charT c)
     { return replace (0, npos, n, c); }
-#if 0
+#ifdef __STL_MEMBER_TEMPLATES
   template<class InputIterator>
-    basic_string& assign(InputIterator first, InputIterator last);
+    basic_string& assign(InputIterator first, InputIterator last)
 #else
   basic_string& assign(const_iterator first, const_iterator last)
-    { return replace (0, npos, first, last - first); }
 #endif
+    { return replace (ibegin (), iend (), first, last); }
 
   basic_string& operator= (const charT* s)
     { return assign (s); }
@@ -222,13 +221,13 @@ public:
     { size_type pos = p - begin (); insert (pos, 1, c); return pos +begin (); }
   iterator insert(iterator p, size_type n, charT c)
     { size_type pos = p - begin (); insert (pos, n, c); return pos +begin (); }
-#if 0
+#ifdef __STL_MEMBER_TEMPLATES
   template<class InputIterator>
-    void insert(iterator p, InputIterator first, InputIterator last);
+    void insert(iterator p, InputIterator first, InputIterator last)
 #else
   void insert(iterator p, const_iterator first, const_iterator last)
-    { size_type pos = p - begin(); insert (pos, first, last - first); }
 #endif
+    { replace (p, p, first, last); }
 
   basic_string& remove (size_type pos = 0, size_type n = npos)
     { return replace (pos, n, (size_type)0, (charT)0); }
@@ -254,14 +253,13 @@ public:
     { return replace (i1 - begin (), i2 - i1, s); }
   basic_string& replace (iterator i1, iterator i2, size_type n, charT c)
     { return replace (i1 - begin (), i2 - i1, n, c); }
-#if 0
+#ifdef __STL_MEMBER_TEMPLATES
   template<class InputIterator>
     basic_string& replace(iterator i1, iterator i2,
 			  InputIterator j1, InputIterator j2);
 #else
   basic_string& replace(iterator i1, iterator i2,
-			const_iterator j1, const_iterator j2)
-    { return replace (i1, i2, j1, j2 - j1); }
+			const_iterator j1, const_iterator j2);
 #endif
 
 private:
@@ -360,8 +358,14 @@ public:
 
   iterator begin () { selfish (); return &(*this)[0]; }
   iterator end () { selfish (); return &(*this)[length ()]; }
-  const_iterator begin () const { return &(*rep ())[0]; }
-  const_iterator end () const { return &(*rep ())[length ()]; }
+
+private:
+  iterator ibegin () const { return &(*rep ())[0]; }
+  iterator iend () const { return &(*rep ())[length ()]; }
+
+public:
+  const_iterator begin () const { return ibegin (); }
+  const_iterator end () const { return iend (); }
 
   reverse_iterator       rbegin() { return reverse_iterator (end ()); }
   const_reverse_iterator rbegin() const
@@ -379,6 +383,47 @@ private:
   charT *dat;
 };
 
+#ifdef __STL_MEMBER_TEMPLATES
+template <class charT, class traits> template <class InputIterator>
+basic_string <charT, traits>& basic_string <charT, traits>::
+replace (iterator i1, iterator i2, InputIterator j1, InputIterator j2)
+#else
+template <class charT, class traits>
+basic_string <charT, traits>& basic_string <charT, traits>::
+replace (iterator i1, iterator i2, const_iterator j1, const_iterator j2)
+#endif
+{
+  const size_type len = length ();
+  size_type pos = i1 - ibegin ();
+  size_type n1 = i2 - i1;
+  size_type n2 = j2 - j1;
+
+  OUTOFRANGE (pos > len);
+  if (n1 > len - pos)
+    n1 = len - pos;
+  LENGTHERROR (len - n1 > max_size () - n2);
+  size_t newlen = len - n1 + n2;
+
+  if (check_realloc (newlen))
+    {
+      Rep *p = Rep::create (newlen);
+      p->copy (0, data (), pos);
+      p->copy (pos + n2, data () + pos + n1, len - (pos + n1));
+      for (; j1 != j2; ++j1, ++pos)
+	traits::assign ((*p)[pos], *j1);
+      repup (p);
+    }
+  else
+    {
+      rep ()->move (pos + n2, data () + pos + n1, len - (pos + n1));
+      for (; j1 != j2; ++j1, ++pos)
+	traits::assign ((*rep ())[pos], *j1);
+    }
+  rep ()->len = newlen;
+
+  return *this;
+}
+
 template <class charT, class traits>
 inline basic_string <charT, traits>
 operator+ (const basic_string <charT, traits>& lhs,

libstdc++/tests/ChangeLog

@@ -1,3 +1,7 @@
+Thu Sep 25 19:48:22 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* tstring.cc: Add some tests for the member templates.
+
 Wed Jun 11 11:00:10 1997  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* tmap.cc: Explicitly instantiate allocator classes.

libstdc++/tests/tstring.cc

@@ -14,8 +14,9 @@
 // You should have received a copy of the GNU General Public License
 // along with this library; see the file COPYING.  If not, write to the Free
 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- 
+
 #include <string>
+#include <algorithm>
 #include <iostream.h>
 #include <stdlib.h>
 #include <assert.h>
@@ -65,6 +66,10 @@ void decltest()
   assert(i == 20);
   assert(f == 20);
 
+  int ar[] = { 'H', 'e', 'l', 'l', 'o' };
+  string is (ar, ar+sizeof(ar)/sizeof(ar[0]));
+  cout << "is = " << is << endl;
+  assert (is == "Hello");
 }
 
 void cattest()
@@ -142,6 +147,13 @@ void substrtest()
   x.replace (0, 1, 'j');
   cout << "x.replace (0, 1, 'j'); x = " << x << "\n";
   assert(x == "jello");
+
+  int ar[] = { 'H', 'e', 'l', 'l', 'o' };
+  x.replace (find (x.begin (), x.end (), 'l'),
+	     find (x.rbegin (), x.rend (), 'l').base (),
+	     ar, ar+sizeof(ar)/sizeof(ar[0]));
+  cout << "x = " << x << endl;
+  assert (x == "jeHelloo");
 }
 
 void iotest()