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| version 1.7, 2001/02/11 11:27:25 | version 1.36, 2001/10/19 14:42:53 |
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| Line 1 | Line 1 |
| /* | /** @file |
| $Id$ | Parser: pool class. |
| */ | |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| #include <string.h> | $Id$ |
| */ | |
| #include "pa_pool.h" | #include "pa_pool.h" |
| #include "pa_exception.h" | #include "pa_exception.h" |
| #include "pa_common.h" | |
| #ifdef XML | |
| #include <util/PlatformUtils.hpp> | |
| #endif | |
| void *Pool::check(void *ptr, size_t size) { | Pool::Pool(void *astorage) : |
| if(!ptr) | fstorage(astorage), fcontext(0), ftag(0) |
| fexception.raise(0, 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, | 0, |
| "Pool::_alloc(%u) returned NULL", size); | "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::convert(*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)); | |
| std::auto_ptr<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=std::auto_ptr<XalanDOMString>(new XalanDOMString(dest, dest_size)); | |
| } | |
| } catch(XMLException& e) { | |
| Exception::convert(*this, 0, e); | |
| } | |
| return ptr; | return result; |
| } | } |
| std::auto_ptr<XalanDOMString> Pool::transcode(const String& s) { | |
| const char *cstr=s.cstr(String::UL_XML); | |
| return transcode_buf(cstr, strlen(cstr)); | |
| } | |
| #endif |