--- parser3/src/main/pa_pool.C	2001/06/28 07:44:17	1.20
+++ parser3/src/main/pa_pool.C	2001/09/21 08:38:28	1.25
@@ -5,13 +5,104 @@
 
 	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
 */
-static const char *RCSId="$Id: pa_pool.C,v 1.20 2001/06/28 07:44:17 parser Exp $"; 
+static const char *RCSId="$Id: pa_pool.C,v 1.25 2001/09/21 08:38:28 parser Exp $"; 
 
 #include "pa_pool.h"
 #include "pa_exception.h"
+#include "pa_common.h"
 
-void Pool::fail(size_t size) const {
+#include <PlatformSupport/DOMStringHelper.hpp>
+#include <util/PlatformUtils.hpp>
+
+Pool::Pool(void *astorage) : 
+	fstorage(astorage), fcontext(0), ftag(0), fexception(0),
+	transcoder(0) {
+	charset=new(*this) String(*this, "UTF-8");
+}
+
+Pool::~Pool() {
+	delete transcoder;
+}
+
+void Pool::fail_alloc(size_t size) const {
 	fexception->_throw(0, 0,
 		0,
 		"failed to allocate %u bytes", size);
 }
+
+void Pool::fail_register_cleanup() const {
+	fexception->_throw(0, 0,
+		0,
+		"failed to register cleanup");
+}
+
+void Pool::set_charset(const String &new_charset) {
+	if(new_charset!=*charset) {
+		delete transcoder;  transcoder=0; // flag "we need new transcoder"
+		charset=&new_charset; // for this charset
+	}
+}
+
+void Pool::update_transcoder() {
+	if(transcoder)
+		return;
+
+	XMLTransService::Codes resValue;
+	transcoder=XMLPlatformUtils::fgTransService->makeNewTranscoderFor(charset->cstr(), resValue, 60);
+	if(!transcoder)
+		THROW(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(...) {
+	}
+	if(error) {
+		memset(dest, '?', s.size());
+		((char *)dest)[s.size()]=0;
+	}
+	return (const char *)dest;
+}
+String& Pool::transcode(const XalanDOMString& s) { 
+	return *new(*this) String(*this, transcode_cstr(s)); 
+}
+
+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
+		);
+}