--- parser3/src/main/pa_pool.C	2001/01/30 11:51:07	1.4
+++ parser3/src/main/pa_pool.C	2001/11/05 11:46:28	1.39
@@ -1,33 +1,130 @@
-/*
-  $Id: pa_pool.C,v 1.4 2001/01/30 11:51:07 paf Exp $
-*/
+/** @file
+	Parser: pool class.
+
+	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
+	Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
 
-#include <stdlib.h>
+	$Id: pa_pool.C,v 1.39 2001/11/05 11:46:28 paf Exp $
+*/
 
 #include "pa_pool.h"
+#include "pa_exception.h"
+#include "pa_common.h"
 
-Pool::Pool() :
-	fglobal_exception(0),	
-	flocal_exception(0) {
+#ifdef XML
+#include <util/PlatformUtils.hpp>
+#endif
+
+Pool::Pool(void *astorage) : 
+	fstorage(astorage), fcontext(0), ftag(0)
+#ifdef XML
+	, transcoder(0) 
+#endif
+	{
+#ifdef XML
+	charset=new(*this) String(*this, "UTF-8");
+#else
+	charset=new(*this) String(*this, "");
+#endif
 }
 
 Pool::~Pool() {
+#ifdef XML
+	delete transcoder;
+#endif
+}
+
+void Pool::fail_alloc(size_t size) const {
+	throw Exception(0, 0,
+		0,
+		"failed to allocate %u bytes", size);
+}
+
+void Pool::fail_register_cleanup() const {
+	throw Exception(0, 0,
+		0,
+		"failed to register cleanup");
+}
+
+void Pool::set_charset(const String &new_charset) {
+	if(new_charset!=*charset) {
+#ifdef XML
+		delete transcoder;  transcoder=0; // flag "we need new transcoder"
+#endif
+		charset=&new_charset; // for this charset
+	}
+}
+
+#ifdef XML
+void Pool::update_transcoder() {
+	if(transcoder)
+		return;
+
+	XMLTransService::Codes resValue;
+	transcoder=XMLPlatformUtils::fgTransService->makeNewTranscoderFor(charset->cstr(), resValue, 60);
+	if(!transcoder)
+		throw Exception(0, 0,
+			charset,
+			"unsupported encoding");
+}
+
+const char *Pool::transcode_cstr(const XalanDOMString& s) { 
+	update_transcoder();
+
+	const unsigned int len=s.size()*2;
+	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_RepChar //UnRep_Throw
+			);
+			dest[size]=0;
+			error=false;
+		}
+	} catch(XMLException& e) {
+		Exception::provide_source(*this, 0, e);
+	}
+	return (const char *)dest;
+}
+String& Pool::transcode(const XalanDOMString& s) { 
+	return *new(*this) String(*this, transcode_cstr(s)); 
+}
+
+std::auto_ptr<XalanDOMString> Pool::transcode_buf(const char *buf, size_t buf_size) { 
+	update_transcoder();
+
+	unsigned int dest_size=0;
+	XMLCh* dest=(XMLCh *)malloc((buf_size+1)*sizeof(XMLCh));
+	unsigned char *charSizes=(unsigned char *)malloc(buf_size*sizeof(unsigned char));
+	XalanDOMString *result;
+	try {
+		if(transcoder) {
+			unsigned int bytesEaten;
+			unsigned int dest_size=transcoder->transcodeFrom(
+				(unsigned char *)buf,
+				(const unsigned int)buf_size,
+				dest, (const unsigned int)buf_size,
+				bytesEaten,
+				charSizes
+			);
+			result=new XalanDOMString(dest, dest_size);
+		}
+	} catch(XMLException& e) {
+		Exception::provide_source(*this, 0, e);
+		result=0; //calm, compiler
+	}
+	
+	return std::auto_ptr<XalanDOMString>(result);
 }
+std::auto_ptr<XalanDOMString> Pool::transcode(const String& s) { 
+	const char *cstr=s.cstr(String::UL_XML);
 
-Exception *Pool::set_global_exception(Exception *e) {
-	Exception *r=fglobal_exception;
-	fglobal_exception=e;
-	return r;
-}
-void Pool::restore_global_exception(Exception *e) {
-	fglobal_exception=e;
-}
-
-Exception *Pool::set_local_exception(Exception *e) {
-	Exception *r=flocal_exception;
-	flocal_exception=e;
-	return r;
-}
-void Pool::restore_local_exception(Exception *e) {
-	flocal_exception=e;
+	return transcode_buf(cstr, strlen(cstr)); 
 }
+
+#endif