--- parser3/src/main/pa_pool.C 2001/01/26 18:34:02 1.3 +++ parser3/src/main/pa_pool.C 2001/11/16 11:51:25 1.43 @@ -1,21 +1,131 @@ -/* - $Id: pa_pool.C,v 1.3 2001/01/26 18:34:02 paf Exp $ -*/ +/** @file + Parser: pool class. -#include + Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexander Petrosyan (http://paf.design.ru) -#include "pa_pool.h" + $Id: pa_pool.C,v 1.43 2001/11/16 11:51:25 paf Exp $ +*/ -Pool::Pool() { +#include "pa_pool.h" +#include "pa_exception.h" +#include "pa_common.h" +#include "pa_sapi.h" + +#ifdef XML +#include +#endif + +Pool::Pool(void *astorage) : + fstorage(astorage), fcontext(0), + ftotal_allocated(0), ftotal_times(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 { + SAPI::die("out of pooled memory: failed to allocate %u bytes, " + "total allocated %u in %u times", + size, + ftotal_allocated, ftotal_times); +} + +void Pool::fail_register_cleanup() const { + SAPI::die("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 + } } -void *Pool::malloc(size_t size) { - return ::malloc(size); +#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"); } -void *Pool::calloc(size_t size) { - return ::calloc(size, 1); +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 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(result); +} +std::auto_ptr Pool::transcode(const String& s) { + const char *cstr=s.cstr(String::UL_UNSPECIFIED); + + return transcode_buf(cstr, strlen(cstr)); +} + +#endif