--- parser3/src/main/pa_pool.C	2001/01/26 18:34:02	1.3
+++ parser3/src/main/pa_pool.C	2001/09/20 14:34:42	1.23
@@ -1,21 +1,106 @@
-/*
-  $Id: pa_pool.C,v 1.3 2001/01/26 18:34:02 paf Exp $
-*/
+/** @file
+	Parser: pool class.
+
+	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
 
-#include <stdlib.h>
+	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
+*/
+static const char *RCSId="$Id: pa_pool.C,v 1.23 2001/09/20 14:34:42 parser Exp $"; 
 
 #include "pa_pool.h"
+#include "pa_exception.h"
+#include "pa_common.h"
+
+#include <PlatformSupport/DOMStringHelper.hpp>
+#include <util/PlatformUtils.hpp>
+
+Pool::Pool(void *astorage) : 
+	fstorage(astorage), fcontext(0), ftag(0), fexception(0),
+	charset("UTF-8"), transcoder(0) {
+	register_cleanup(Pool_cleanup, this);
+}
+
+void Pool_cleanup(void *pool) {
+	//_asm int 3;
+	static_cast<Pool *>(pool)->cleanup();
+}
 
-Pool::Pool() {
+void Pool::fail_alloc(size_t size) const {
+	fexception->_throw(0, 0,
+		0,
+		"failed to allocate %u bytes", size);
 }
 
-Pool::~Pool() {
+void Pool::fail_register_cleanup() const {
+	fexception->_throw(0, 0,
+		0,
+		"failed to register cleanup");
 }
 
-void *Pool::malloc(size_t size) {
-	return ::malloc(size);
+void Pool::set_charset(const String &new_charset) {
+	set_charset(new_charset.cstr());
+}
+void Pool::set_charset(const char *new_charset) {
+	if(charset && strcasecmp(new_charset, charset)!=0) {
+		delete transcoder;  transcoder=0;
+		charset=new_charset;
+	}
+}
+
+void Pool::update_transcoder() {
+	if(transcoder)
+		return;
+
+	XMLTransService::Codes resValue;
+	transcoder=XMLPlatformUtils::fgTransService->makeNewTranscoderFor(charset, resValue, 100);
+}
+
+
+const char *Pool::transcode(const XalanDOMString& s) { 
+	update_transcoder();
+
+	const unsigned int len=s.size(); // multibyte-char languages not supported for now
+	XMLByte* dest=(XMLByte *)malloc((len+1)*sizeof(XMLByte));
+	bool error=true;
+	try {
+		if(transcoder) {
+			unsigned int charsEaten;
+			unsigned int size=transcoder->transcodeTo(
+				s.c_str(), s.length(),
+				dest,
+				len,
+				charsEaten,
+				XMLTranscoder::UnRep_Throw
+			);
+			dest[size]=0;
+			error=false;
+		}
+	} catch(...) {
+	}
+	if(error) {
+		memset(dest, '?', len-1);
+		((char *)dest)[len]=0;
+	}
+	return (const char *)dest;
 }
 
-void *Pool::calloc(size_t size) {
-	return ::calloc(size, 1);
+void Pool::_throw(const String *source, const XSLException& e) {
+	if(e.getURI().empty())
+		THROW(0, 0,
+			source,
+			"%s (%s)",
+				transcode(e.getMessage()),  // message for exception
+				transcode(e.getType()) // type of exception
+		);
+	else
+		THROW(0, 0,
+			source,
+			"%s (%s) %s(%d:%d)'", 
+				transcode(e.getMessage()),  // message for exception
+				transcode(e.getType()), // type of exception
+				
+				transcode(e.getURI()),  // URI for the associated document, if any
+				e.getLineNumber(),  // line number, or -1 if unknown
+				e.getColumnNumber() // column number, or -1 if unknown
+		);
 }