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

cde/programs/nsgmls/StorageManager.h

@@ -0,0 +1,90 @@
+/* $XConsortium: StorageManager.h /main/1 1996/07/29 17:05:01 cde-hp $ */
+// Copyright (c) 1994, 1995 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef StorageManager_INCLUDED
+#define StorageManager_INCLUDED 1
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include "StringC.h"
+#include "types.h"
+#include "CharsetInfo.h"
+#include <stddef.h>
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+class StorageManager;
+class CharsetInfo;
+class Messenger;
+class InputCodingSystem;
+
+class SP_API StorageObject {
+public:
+  StorageObject();
+  virtual ~StorageObject();
+  virtual Boolean read(char *buf, size_t bufSize, Messenger &,
+		       size_t &nread) = 0;
+  virtual Boolean rewind(Messenger &) = 0;
+  virtual void willNotRewind();
+  virtual size_t getBlockSize() const;
+private:
+  StorageObject(const StorageObject &);	// undefined
+  void operator=(const StorageObject &); // undefined
+};
+
+class SP_API StorageManager {
+public:
+  StorageManager();
+  virtual StorageObject *makeStorageObject(const StringC &specId,
+					   const StringC &baseId,
+					   Boolean search,
+					   Boolean mayRewind,
+					   Messenger &mgr,
+					   StringC &actualId) = 0;
+  virtual const char *type() const = 0;
+  virtual Boolean inheritable() const;
+  virtual Boolean transformNeutral(StringC &, Boolean fold, Messenger &) const;
+  // Resolve a possibly relative ID by examining the base and specified IDs.
+  // Put the resolved ID in specID.
+  // Return 0 if it cannot be resolved yet becase the specified ID is relative
+  // and physical searching is required to resolve it and search is true;
+  // in this case the base will be passed to makeStorageObject.
+  // Otherwise return 1; in this case the base will be discarded, and the
+  // resolved ID will be passed to makeStorageObject.
+  virtual Boolean resolveRelative(const StringC &base,
+				  StringC &specId,
+				  Boolean search) const;
+  virtual Boolean guessIsId(const StringC &, const CharsetInfo &) const;
+  virtual const InputCodingSystem *requiredCodingSystem() const;
+  virtual Boolean requiresCr() const;
+  virtual ~StorageManager();
+  virtual const CharsetInfo *idCharset() const;
+  virtual const StringC *reString() const;
+private:
+  StorageManager(const StorageManager &); // undefined
+  void operator=(const StorageManager &); // undefined
+};
+
+class SP_API IdStorageManager : public StorageManager {
+public:
+  IdStorageManager(const UnivCharsetDesc &idCharset);
+  const CharsetInfo *idCharset() const;
+  const StringC *reString() const;
+protected:
+  StringC reString_;
+private:
+  IdStorageManager(const IdStorageManager &); // undefined
+  void operator=(const IdStorageManager &); // undefined
+
+  CharsetInfo idCharset_;
+};
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* not StorageManager_INCLUDED */