--- parser3/src/main/pa_pool.C 2001/01/26 14:47:52 1.1.1.1 +++ parser3/src/main/pa_pool.C 2001/10/11 14:57:53 1.31 @@ -1,17 +1,101 @@ -#include +/** @file + Parser: pool class. + + Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexander Petrosyan (http://design.ru/paf) + + $Id: pa_pool.C,v 1.31 2001/10/11 14:57:53 parser Exp $ +*/ #include "pa_pool.h" +#include "pa_exception.h" +#include "pa_common.h" -Pool::Pool() { +#ifdef XML +#include +#endif + +Pool::Pool(void *astorage) : + fstorage(astorage), fcontext(0), ftag(0), fexception(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::alloc(size_t size) { - return ::malloc(size); +void Pool::fail_alloc(size_t size) const { + fexception->_throw(0, 0, + 0, + "failed to allocate %u bytes", size); } -void *Pool::calloc(size_t size) { - return ::calloc(size, 1); +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) { +#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(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)); +} + +#endif