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

cde/programs/dtinfo/dtinfogen/infolib/etc/DataTask.C

@@ -0,0 +1,45 @@
+/* $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--;
+  }
+}
+
+
+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();
+}