genericopenlibs/cppstdlib/stl/stlport/stl/_sstream.c
changeset 31 ce057bb09d0b
child 45 4b03adbd26ca
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/stl/stlport/stl/_sstream.c	Fri Jun 04 16:20:51 2010 +0100
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+#ifndef _STLP_SSTREAM_C
+#define _STLP_SSTREAM_C
+
+#ifndef _STLP_INTERNAL_SSTREAM
+#  include <stl/_sstream.h>
+#endif
+
+#if defined ( _STLP_NESTED_TYPE_PARAM_BUG )
+// no wint_t is supported for this mode
+#  define __BSB_int_type__ int
+#  define __BSB_pos_type__ streampos
+#else
+#  define __BSB_int_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
+#  define __BSB_pos_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+//----------------------------------------------------------------------
+// Non-inline stringbuf member functions.
+
+// Constructors.  Note that the base class constructor sets all of the
+// get and area pointers to null.
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_stringbuf<_CharT, _Traits, _Alloc>
+  ::basic_stringbuf(ios_base::openmode __mode)
+    : basic_streambuf<_CharT, _Traits>(), _M_mode(__mode), _M_str()
+{}
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_stringbuf<_CharT, _Traits, _Alloc>
+  ::basic_stringbuf(const basic_string<_CharT, _Traits, _Alloc>& __s, ios_base::openmode __mode)
+    : basic_streambuf<_CharT, _Traits>(), _M_mode(__mode), _M_str(__s)
+{
+  _M_set_ptrs();
+}
+
+
+
+// Set the underlying string to a new value.
+template <class _CharT, class _Traits, class _Alloc>
+void
+basic_stringbuf<_CharT, _Traits, _Alloc>::str(const basic_string<_CharT, _Traits, _Alloc>& __s)
+{
+  _M_str = __s;
+  _M_set_ptrs();
+}
+
+template <class _CharT, class _Traits, class _Alloc>
+void
+basic_stringbuf<_CharT, _Traits, _Alloc>::_M_set_ptrs() {
+  _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
+  _CharT* __data_end = __data_ptr + _M_str.size();
+  // The initial read position is the beginning of the string.
+  if (_M_mode & ios_base::in) {
+    if (_M_mode & ios_base::ate)
+      this->setg(__data_ptr, __data_end, __data_end);
+    else
+      this->setg(__data_ptr, __data_ptr, __data_end);
+  }
+
+  // The initial write position is the beginning of the string.
+  if (_M_mode & ios_base::out) {
+    if (_M_mode & (ios_base::app | ios_base::ate))
+      this->setp(__data_end, __data_end);
+    else
+      this->setp(__data_ptr, __data_end);
+  }
+}
+
+
+
+
+// This is declared as a const member function because it is
+// called by basic_stringbuf<>::str().  Precondition: this is a
+// write-only stringbuf.  We can't use an output buffer for read-
+// write stringbufs.  Postcondition: pptr is reset to the beginning
+// of the buffer.
+template <class _CharT, class _Traits, class _Alloc>
+void basic_stringbuf<_CharT, _Traits, _Alloc>::_M_append_buffer() const {
+  // Do we have a buffer to append?
+  if (this->pbase() == this->_M_Buf && this->pptr() != this->_M_Buf) {
+    basic_stringbuf<_CharT, _Traits, _Alloc>* __this = __CONST_CAST(_Self*,this);
+    __this->_M_str.append((const _CharT*)this->pbase(), (const _CharT*)this->pptr());
+#ifndef __MWERKS__
+    __this->setp(__CONST_CAST(_CharT*,_M_Buf),
+                 __CONST_CAST(_CharT*,_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
+#else // CodeWarrior treat const char * and const char [8] as different types
+    __this->setp((_CharT*)_M_Buf,
+                 (_CharT*)(_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
+#endif
+  }
+
+  // Have we run off the end of the string?
+  else if (this->pptr() == this->epptr()) {
+    basic_stringbuf<_CharT, _Traits, _Alloc>* __this = __CONST_CAST(_Self*,this);
+#ifndef __MWERKS__
+    __this->setp(__CONST_CAST(_CharT*,_M_Buf),
+                 __CONST_CAST(_CharT*,_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
+#else // CodeWarrior treat const char * and const char [8] as different types
+    __this->setp((_CharT*)_M_Buf,
+                 (_CharT*)(_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
+#endif
+  }
+}
+
+//----------------------------------------------------------------------
+// Non-inline istringstream member functions.
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_istringstream<_CharT, _Traits, _Alloc>
+  ::basic_istringstream(ios_base::openmode __mode)
+    : basic_istream<_CharT, _Traits>(0),
+      _M_buf(__mode | ios_base::in) {
+  this->init(&_M_buf);
+}
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_istringstream<_CharT, _Traits, _Alloc>
+  ::basic_istringstream(const _String& __str,ios_base::openmode __mode)
+    : basic_istream<_CharT, _Traits>(0),
+      _M_buf(__str, __mode | ios_base::in) {
+  this->init(&_M_buf);
+}
+
+
+
+//----------------------------------------------------------------------
+// Non-inline ostringstream member functions.
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_ostringstream<_CharT, _Traits, _Alloc>
+  ::basic_ostringstream(ios_base::openmode __mode)
+    : basic_ostream<_CharT, _Traits>(0),
+      _M_buf(__mode | ios_base::out) {
+  this->init(&_M_buf);
+}
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_ostringstream<_CharT, _Traits, _Alloc>
+  ::basic_ostringstream(const _String& __str, ios_base::openmode __mode)
+    : basic_ostream<_CharT, _Traits>(0),
+      _M_buf(__str, __mode | ios_base::out) {
+  this->init(&_M_buf);
+}
+
+
+
+//----------------------------------------------------------------------
+// Non-inline stringstream member functions.
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_stringstream<_CharT, _Traits, _Alloc>
+  ::basic_stringstream(ios_base::openmode __mode)
+    : basic_iostream<_CharT, _Traits>(0), _M_buf(__mode) {
+   this->init(&_M_buf);
+}
+
+template <class _CharT, class _Traits, class _Alloc>
+basic_stringstream<_CharT, _Traits, _Alloc>
+  ::basic_stringstream(const _String& __str, ios_base::openmode __mode)
+    : basic_iostream<_CharT, _Traits>(0), _M_buf(__str, __mode) {
+  this->init(&_M_buf);
+}
+
+
+
+
+
+
+_STLP_END_NAMESPACE
+
+# undef __BSB_int_type__
+# undef __BSB_pos_type__
+
+#endif /* _STLP_SSTREAM_C */
+
+// Local Variables:
+// mode:C++
+// End: