--- parser3/src/include/pa_pool.h	2001/05/17 10:22:24	1.52
+++ parser3/src/include/pa_pool.h	2001/09/20 14:25:06	1.55
@@ -5,7 +5,7 @@
 
 	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
 
-	$Id: pa_pool.h,v 1.52 2001/05/17 10:22:24 parser Exp $
+	$Id: pa_pool.h,v 1.55 2001/09/20 14:25:06 parser Exp $
 */
 
 #ifndef PA_POOL_H
@@ -13,8 +13,18 @@
 
 #include "pa_config_includes.h"
 
+#include <XalanDOM/XalanDOMString.hpp>
+#include <util/TransService.hpp>
+#include <PlatformSupport/XSLException.hpp>
+
+
+// forwards
+
 class Exception;
 class Temp_exception;
+class String;
+
+void Pool_cleanup(void *);
 
 /** 
 	Pool mechanizm allows users not to free up allocated memory,
@@ -28,19 +38,22 @@ class Temp_exception;
 
 class Pool {
 	friend Temp_exception;
+	friend void Pool_cleanup(void *);
 public:
 
-	Pool(void *astorage) : fstorage(astorage), fcontext(0), ftag(0), fexception(0) {}
+	Pool(void *astorage);
 
+private:
+	void cleanup() {
+		delete transcoder;
+	}
+public:
 	void set_context(void *acontext) { fcontext=acontext; }
 	void *context() { return fcontext; }
 
 	void set_tag(void *atag) { ftag=atag; }
 	void *tag() { return ftag; }
 
-	/// current exception object of the pool
-	Exception& exception() const { return *fexception; }
-
 	/// allocates some bytes on pool
 	void *malloc(size_t size/*, int place=0*/) {
 		return check(real_malloc(size/*, place*/), size);
@@ -50,11 +63,34 @@ public:
 		return check(real_calloc(size), size);
 	}
 
+	/// registers a routine to clean up non-pooled allocations
+	void register_cleanup(void (*cleanup) (void *), void *data) {
+		if(!real_register_cleanup(cleanup, data))
+			fail_register_cleanup();
+	}
+
+	/// current exception object of the pool
+	Exception& exception() const { return *fexception; }
+
+	/// resets transcoder if they change charset 
+	void set_charset(const String &charset);
+	/// converts Xalan string to char *
+	const char *transcode(const XalanDOMString& s);
+	/// converts XSL exception to parser exception
+	void _throw(const String *source, const XSLException& e);
+
+private:
+
+	void set_charset(const char *charset);
+	void update_transcoder();
+
 private:
 
 	void *fstorage;
 	void *fcontext;
 	void *ftag;
+	const char *charset;
+	XMLTranscoder *transcoder;
 
 private: 
 	
@@ -62,6 +98,7 @@ private:
 	/// @name implementation defined
     void *real_malloc(size_t size/*, int place*/);
     void *real_calloc(size_t size);
+	bool real_register_cleanup(void (*cleanup) (void *), void *data);
 	//}
 
 private: 
@@ -71,13 +108,16 @@ private:
 		if(ptr)
 			return ptr;
 
-		fail(size);
+		fail_alloc(size);
 
 		// never reached
 		return 0;
 	}
-	/// throws proper exception
-	void fail(size_t size) const;
+	/// throws allocation exception
+	void fail_alloc(size_t size) const;
+
+	/// throws register cleanup exception
+	void fail_register_cleanup() const;
 
 private: // exception handling
 
@@ -136,7 +176,15 @@ public:
 	/// useful wrapper around pool
 	void *calloc(size_t size) const { return fpool->calloc(size); }
 	/// useful wrapper around pool
+	void register_cleanup(void (*cleanup) (void *), void *data) { 
+		fpool->register_cleanup(cleanup, data);
+	}
+	/// useful wrapper around pool
 	Exception& exception() const { return fpool->exception(); }
+	/// useful wrapper around pool
+	const char *transcode(const XalanDOMString& s) { return fpool->transcode(s); }
+	/// useful wrapper around pool
+	void _throw(const String *source, const XSLException& e) { fpool->_throw(source, e); }
 };
 /// useful macro for creating objects on current Pooled object Pooled::pool()
 #define NEW new(pool())