dtdocbook: merge dtinfogen into dtdocbook.

cde/programs/dtdocbook/infolib/DataTask.C

@@ -0,0 +1,71 @@
+/*
+ * CDE - Common Desktop Environment
+ *
+ * Copyright (c) 1993-2012, The Open Group. All rights reserved.
+ *
+ * These libraries and programs are free software; you can
+ * redistribute them and/or modify them under the terms of the GNU
+ * Lesser General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * These libraries and programs are distributed in the hope that
+ * they will be useful, but WITHOUT ANY WARRANTY; without even the
+ * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with these libraries and programs; if not, write
+ * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
+ * Floor, Boston, MA 02110-1301 USA
+ */
+/* $XConsortium: DataTask.C /main/3 1996/08/21 15:46:25 drk $ */
+
+/* exported interfaces... */
+#include "DataTask.h"
+
+/* imported interfaces... */
+#include "Token.h"
+
+DataTask::DataTask(const Token&) : buf()
+{
+  level = 1;
+}
+
+void DataTask::markup(const Token &t)
+{
+  switch(t.type()){
+  case START:
+    /*
+     * be careful not to start collecting again after the relavent
+     * element is done!
+     */
+    if(level > 0) level++;
+
+    break;
+    
+  case END:
+    if(level > 0) level--;
+    break;
+
+  default:
+    break;
+  }
+}
+
+
+void DataTask::data(const char *chars, size_t len)
+{
+  if(level > 0){
+    buf.write(chars, len);
+  }
+}
+
+
+const char * DataTask::content(size_t *len)
+{
+  if(len) *len = buf.GetSize();
+  
+  return buf.GetBuffer();
+}