Annotation of parser3/src/main/pa_pool.C, revision 1.43
1.13 paf 1: /** @file
1.14 paf 2: Parser: pool class.
3:
1.10 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.39 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
1.14 paf 6:
1.43 ! paf 7: $Id: pa_pool.C,v 1.42 2001/11/16 11:07:58 paf Exp $
1.2 paf 8: */
1.1 paf 9:
10: #include "pa_pool.h"
1.7 paf 11: #include "pa_exception.h"
1.22 parser 12: #include "pa_common.h"
1.41 paf 13: #include "pa_sapi.h"
1.22 parser 14:
1.26 parser 15: #ifdef XML
1.22 parser 16: #include <util/PlatformUtils.hpp>
1.26 parser 17: #endif
1.22 parser 18:
19: Pool::Pool(void *astorage) :
1.43 ! paf 20: fstorage(astorage), fcontext(0),
! 21: ftotal_allocated(0), ftotal_times(0)
1.26 parser 22: #ifdef XML
23: , transcoder(0)
24: #endif
25: {
26: #ifdef XML
1.25 parser 27: charset=new(*this) String(*this, "UTF-8");
1.29 parser 28: #else
29: charset=new(*this) String(*this, "");
1.26 parser 30: #endif
1.22 parser 31: }
32:
1.24 parser 33: Pool::~Pool() {
1.26 parser 34: #ifdef XML
1.24 parser 35: delete transcoder;
1.26 parser 36: #endif
1.22 parser 37: }
1.1 paf 38:
1.21 parser 39: void Pool::fail_alloc(size_t size) const {
1.42 paf 40: SAPI::die("out of pooled memory: failed to allocate %u bytes, "
1.41 paf 41: "total allocated %u in %u times",
42: size,
43: ftotal_allocated, ftotal_times);
1.7 paf 44: }
1.21 parser 45:
46: void Pool::fail_register_cleanup() const {
1.41 paf 47: SAPI::die("failed to register cleanup");
1.22 parser 48: }
49:
1.25 parser 50: void Pool::set_charset(const String &new_charset) {
51: if(new_charset!=*charset) {
1.29 parser 52: #ifdef XML
1.24 parser 53: delete transcoder; transcoder=0; // flag "we need new transcoder"
1.29 parser 54: #endif
1.25 parser 55: charset=&new_charset; // for this charset
1.22 parser 56: }
57: }
58:
1.29 parser 59: #ifdef XML
1.22 parser 60: void Pool::update_transcoder() {
61: if(transcoder)
62: return;
63:
64: XMLTransService::Codes resValue;
1.25 parser 65: transcoder=XMLPlatformUtils::fgTransService->makeNewTranscoderFor(charset->cstr(), resValue, 60);
1.24 parser 66: if(!transcoder)
1.35 parser 67: throw Exception(0, 0,
1.25 parser 68: charset,
1.24 parser 69: "unsupported encoding");
1.22 parser 70: }
71:
1.25 parser 72: const char *Pool::transcode_cstr(const XalanDOMString& s) {
1.22 parser 73: update_transcoder();
74:
1.24 parser 75: const unsigned int len=s.size()*2;
1.22 parser 76: XMLByte* dest=(XMLByte *)malloc((len+1)*sizeof(XMLByte));
77: bool error=true;
78: try {
79: if(transcoder) {
80: unsigned int charsEaten;
81: unsigned int size=transcoder->transcodeTo(
82: s.c_str(), s.length(),
1.24 parser 83: dest, len,
1.22 parser 84: charsEaten,
1.24 parser 85: XMLTranscoder::UnRep_RepChar //UnRep_Throw
1.22 parser 86: );
87: dest[size]=0;
88: error=false;
89: }
1.32 parser 90: } catch(XMLException& e) {
1.38 parser 91: Exception::provide_source(*this, 0, e);
1.22 parser 92: }
93: return (const char *)dest;
1.25 parser 94: }
95: String& Pool::transcode(const XalanDOMString& s) {
96: return *new(*this) String(*this, transcode_cstr(s));
1.32 parser 97: }
98:
1.36 parser 99: std::auto_ptr<XalanDOMString> Pool::transcode_buf(const char *buf, size_t buf_size) {
1.32 parser 100: update_transcoder();
101:
102: unsigned int dest_size=0;
103: XMLCh* dest=(XMLCh *)malloc((buf_size+1)*sizeof(XMLCh));
104: unsigned char *charSizes=(unsigned char *)malloc(buf_size*sizeof(unsigned char));
1.37 parser 105: XalanDOMString *result;
1.32 parser 106: try {
107: if(transcoder) {
108: unsigned int bytesEaten;
109: unsigned int dest_size=transcoder->transcodeFrom(
110: (unsigned char *)buf,
111: (const unsigned int)buf_size,
112: dest, (const unsigned int)buf_size,
113: bytesEaten,
114: charSizes
115: );
1.37 parser 116: result=new XalanDOMString(dest, dest_size);
1.32 parser 117: }
118: } catch(XMLException& e) {
1.38 parser 119: Exception::provide_source(*this, 0, e);
1.37 parser 120: result=0; //calm, compiler
1.32 parser 121: }
122:
1.37 parser 123: return std::auto_ptr<XalanDOMString>(result);
1.32 parser 124: }
1.36 parser 125: std::auto_ptr<XalanDOMString> Pool::transcode(const String& s) {
1.40 paf 126: const char *cstr=s.cstr(String::UL_UNSPECIFIED);
1.32 parser 127:
128: return transcode_buf(cstr, strlen(cstr));
1.22 parser 129: }
1.26 parser 130:
131: #endif
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