Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/nsgmls/InternalInputSource.C

@@ -0,0 +1,61 @@
+/* $XConsortium: InternalInputSource.C /main/1 1996/07/29 16:55:23 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+#include "splib.h"
+#include <string.h>
+#include "InternalInputSource.h"
+#include "macros.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+InternalInputSource::InternalInputSource(const StringC &str,
+					 InputSourceOrigin *origin)
+: InputSource(origin, str.data(), str.data() + str.size()), buf_(0),
+  contents_(&str)
+{
+}
+
+InternalInputSource::~InternalInputSource()
+{
+  if (buf_)
+    delete [] buf_;
+}
+  
+Xchar InternalInputSource::fill(Messenger &)
+{
+  return eE;
+}
+
+void InternalInputSource::pushCharRef(Char c, const NamedCharRef &ref)
+{
+  ASSERT(cur() == start());
+  noteCharRef(startIndex() + (cur() - start()), ref);
+  if (buf_ == 0) {
+    buf_ = new Char[end() - start() + 1];
+    memcpy(buf_ + 1, cur(), (end() - start())*sizeof(Char));
+    changeBuffer(buf_ + 1, cur());
+  }
+  moveLeft();
+  *(Char *)cur() = c;
+}
+
+Boolean InternalInputSource::rewind(Messenger &)
+{
+  reset(contents_->data(),
+	contents_->data() + contents_->size());
+  if (buf_) {
+    delete [] buf_;
+    buf_ = 0;
+  }
+  return 1;
+}
+
+#ifdef SP_NAMESPACE
+}
+#endif