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

cde/programs/dtinfo/DtMmdb/StyleSheet/DocParser.h

@@ -0,0 +1,69 @@
+/* $XConsortium: DocParser.h /main/6 1996/06/11 17:06:11 cde-hal $ */
+/*	Copyright (c) 1995 FUJITSU LIMITED	*/
+/*	All Rights Reserved			*/
+
+#include <iostream.h>
+#include <strstream.h>
+
+#include "SymTab.h"
+#include "Exceptions.hh"
+
+class Resolver;
+class Attribute;
+class AttributeList;
+
+// parse SGML like documents
+
+// attributes follow elements in an olias section
+
+// <ELEMENT>
+// <#><attr_1>value</>
+//    <attr_2>value</>
+//    <#olias_attr>value</>
+// </>
+// Element data here
+// </ELEMENT>
+
+class Element ;
+
+class DocParser : public Destructable
+{
+public:
+  enum TagType { StartTag, EndTag, AttributeSection, OliasAttribute, NoTag };
+
+  DocParser(Resolver &);
+  ~DocParser();
+  
+  // returns a boolean  
+  unsigned int	parse(istream &);
+
+  // parse without calling Begin() and End() on the renderer.
+  unsigned int	rawParse(istream &);
+
+protected:
+  virtual void read_data(istream &, ostream &);
+
+private:
+  
+  void		process(istream &, ostream &, const Symbol &tagname, 
+			unsigned int sibling_number,
+			unsigned int relative_sibling_number);
+  TagType	read_tag(istream &, ostream &);
+  void		process_entity(istream &, ostream &);
+
+  void		process_attributes(istream &, ostream &,
+				   AttributeList *&attrs,
+				   AttributeList *&olias_attrs);
+  Attribute    *process_attribute(istream &, ostream &, const Symbol &name, TagType);
+  
+private:
+  unsigned int	f_ignoring_element ;
+#if defined(SC3) || defined(__osf__)
+  char* const	f_buffer;
+  ostrstream	f_output;
+#else
+  strstreambuf *f_streambuf ;
+  ostream	f_output;
+#endif
+  Resolver     &f_resolver;
+};