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| version 1.35.2.1, 2003/07/24 15:10:42 | version 1.38.2.1, 2003/11/05 13:53:30 |
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| Line 14 static const char* IDENT_CHARSET_C="$Dat | Line 14 static const char* IDENT_CHARSET_C="$Dat |
| #include "libxml/encoding.h" | #include "libxml/encoding.h" |
| #endif | #endif |
| // globals | |
| Charset::UTF8CaseTable::Rec UTF8CaseToUpperRecords[]={ | |
| #include "utf8-to-upper.inc" | |
| }; | |
| Charset::UTF8CaseTable UTF8CaseToUpper={ | |
| sizeof(UTF8CaseToUpperRecords)/sizeof(Charset::UTF8CaseTable::Rec), | |
| UTF8CaseToUpperRecords}; | |
| Charset::UTF8CaseTable::Rec UTF8CaseToLowerRecords[]={ | |
| #include "utf8-to-lower.inc" | |
| }; | |
| Charset::UTF8CaseTable UTF8CaseToLower={ | |
| sizeof(UTF8CaseToLowerRecords)/sizeof(Charset::UTF8CaseTable::Rec), | |
| UTF8CaseToLowerRecords}; | |
| // helpers | // helpers |
| inline void prepare_case_tables(unsigned char *tables) { | inline void prepare_case_tables(unsigned char *tables) { |
| Line 68 static void element2case(unsigned char f | Line 84 static void element2case(unsigned char f |
| // methods | // methods |
| extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c | extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c |
| Charset::Charset(Request_charsets* charsets, const StringBody ANAME, const String* afile_spec): | Charset::Charset(Request_charsets* charsets, const String::Body ANAME, const String* afile_spec): |
| FNAME(ANAME), | FNAME(ANAME), |
| FNAME_CSTR(ANAME.cstrm()) { | FNAME_CSTR(ANAME.cstrm()) { |
| Line 101 void Charset::load_definition(Request_ch | Line 117 void Charset::load_definition(Request_ch |
| // charset | // charset |
| memset(&tables, 0, sizeof(tables)); | memset(&tables, 0, sizeof(tables)); |
| // strangly vital | |
| tables.toTable[tables.toTableSize].intCh=0; | |
| tables.toTable[tables.toTableSize].extCh=(XMLByte)0; | |
| tables.toTableSize++; | |
| // loading text | // loading text |
| char *data=file_read_text(charsets, afile_spec); | char *data=file_read_text(charsets, afile_spec); |
| Line 161 void Charset::load_definition(Request_ch | Line 173 void Charset::load_definition(Request_ch |
| static int sort_cmp_Trans_rec_intCh(const void *a, const void *b) { | static int sort_cmp_Trans_rec_intCh(const void *a, const void *b) { |
| return | return |
| static_cast<const Charset_TransRec *>(a)->intCh- | static_cast<const Charset::Tables::Rec *>(a)->intCh- |
| static_cast<const Charset_TransRec *>(b)->intCh; | static_cast<const Charset::Tables::Rec *>(b)->intCh; |
| } | } |
| void Charset::sort_ToTable() { | void Charset::sort_ToTable() { |
| Line 176 void Charset::sort_ToTable() { | Line 188 void Charset::sort_ToTable() { |
| static XMLByte xlatOneTo(const XMLCh toXlat, | static XMLByte xlatOneTo(const XMLCh toXlat, |
| const Charset::Tables& tables, | const Charset::Tables& tables, |
| XMLByte not_found) { | XMLByte not_found) { |
| unsigned int lowOfs = 0; | int lo = 0; |
| unsigned int hiOfs = tables.toTableSize - 1; | int hi = tables.toTableSize - 1; |
| XMLByte curByte = 0; | while(lo<=hi) { |
| do { | |
| // Calc the mid point of the low and high offset. | // Calc the mid point of the low and high offset. |
| const unsigned int midOfs =((hiOfs - lowOfs) / 2)+lowOfs; | const unsigned int i = (lo + hi) / 2; |
| // If our test char is greater than the mid point char, then | XMLCh cur=tables.toTable[i].intCh; |
| // we move up to the upper half. Else we move to the lower | if(toXlat==cur) |
| // half. If its equal, then its our guy. | return tables.toTable[i].extCh; |
| if(toXlat>tables.toTable[midOfs].intCh) | if(toXlat>cur) |
| lowOfs = midOfs; | lo = i+1; |
| else if(toXlat<tables.toTable[midOfs].intCh) | |
| hiOfs = midOfs; | |
| else | else |
| return tables.toTable[midOfs].extCh; | hi = i-1; |
| } while(lowOfs+1<hiOfs); | } |
| return not_found; | return not_found; |
| } | } |
| Line 437 const String::C Charset::transcodeToUTF8 | Line 446 const String::C Charset::transcodeToUTF8 |
| assert(dest_length<=saved_dest_length); dest_body[dest_length]=0; // terminator | assert(dest_length<=saved_dest_length); dest_body[dest_length]=0; // terminator |
| return String::C((char*)dest_body, dest_length); | return String::C((char*)dest_body, dest_length); |
| } | } |
| static XMLCh change_case_UTF8(const XMLCh src, const Charset::UTF8CaseTable& table) { | |
| int lo = 0; | |
| int hi = table.size - 1; | |
| while(lo<=hi) { | |
| // Calc the mid point of the low and high offset. | |
| const unsigned int i = (lo + hi) / 2; | |
| XMLCh cur=table.records[i].from; | |
| if(src==cur) | |
| return table.records[i].to; | |
| if(src>cur) | |
| lo = i+1; | |
| else | |
| hi = i-1; | |
| } | |
| // not found | |
| return src; | |
| } | |
| static void store_UTF8(XMLCh src, XMLByte*& outPtr ) { | |
| if(!src) { | |
| // use the replacement character | |
| *outPtr++= '?'; | |
| return; | |
| } | |
| // Figure out how many bytes we need | |
| unsigned int encodedBytes; | |
| if(src<0x80) | |
| encodedBytes = 1; | |
| else if(src<0x800) | |
| encodedBytes = 2; | |
| else if(src<0x10000) | |
| encodedBytes = 3; | |
| else if(src<0x200000) | |
| encodedBytes = 4; | |
| else if(src<0x4000000) | |
| encodedBytes = 5; | |
| else if(src<= 0x7FFFFFFF) | |
| encodedBytes = 6; | |
| else { | |
| // use the replacement character | |
| *outPtr++= '?'; | |
| return; | |
| } | |
| // And spit out the bytes. We spit them out in reverse order | |
| // here, so bump up the output pointer and work down as we go. | |
| outPtr+= encodedBytes; | |
| switch(encodedBytes) { | |
| case 6: *--outPtr = XMLByte((src | 0x80UL) & 0xBFUL); | |
| src>>= 6; | |
| case 5: *--outPtr = XMLByte((src | 0x80UL) & 0xBFUL); | |
| src>>= 6; | |
| case 4: *--outPtr = XMLByte((src | 0x80UL) & 0xBFUL); | |
| src>>= 6; | |
| case 3: *--outPtr = XMLByte((src | 0x80UL) & 0xBFUL); | |
| src>>= 6; | |
| case 2: *--outPtr = XMLByte((src | 0x80UL) & 0xBFUL); | |
| src>>= 6; | |
| case 1: *--outPtr = XMLByte(src | gFirstByteMark[encodedBytes]); | |
| } | |
| // Add the encoded bytes back in again to indicate we've eaten them | |
| outPtr+= encodedBytes; | |
| } | |
| static void change_case_UTF8(XMLCh src, XMLByte*& outPtr, | |
| const Charset::UTF8CaseTable& table) { | |
| store_UTF8(change_case_UTF8(src, table), outPtr); | |
| }; | |
| void change_case_UTF8(const XMLByte* srcData, XMLByte* toFill, | |
| const Charset::UTF8CaseTable& table) { | |
| const XMLByte* srcPtr=srcData; | |
| XMLByte* outPtr=toFill; | |
| // Get the next leading byte out | |
| while (const XMLByte firstByte = *srcPtr) { | |
| if(firstByte<= 127) { | |
| change_case_UTF8(firstByte, outPtr, table); | |
| srcPtr++; | |
| continue; | |
| } | |
| // See how many trailing src bytes this sequence is going to require | |
| const unsigned int trailingBytes = gUTFBytes[firstByte]; | |
| // Looks ok, so lets build up the value | |
| uint tmpVal=0; | |
| switch(trailingBytes) { | |
| case 5: tmpVal+=*srcPtr++; tmpVal<<=6; | |
| case 4: tmpVal+=*srcPtr++; tmpVal<<=6; | |
| case 3: tmpVal+=*srcPtr++; tmpVal<<=6; | |
| case 2: tmpVal+=*srcPtr++; tmpVal<<=6; | |
| case 1: tmpVal+=*srcPtr++; tmpVal<<=6; | |
| case 0: tmpVal+=*srcPtr++; | |
| break; | |
| default: | |
| throw Exception(0, | |
| 0, | |
| "change_case_UTF8 error: wrong trailingBytes value(%d)", trailingBytes); | |
| } | |
| tmpVal-=gUTFOffsets[trailingBytes]; | |
| // If it will fit into a single char, then put it in. Otherwise | |
| // fail [*encode it as a surrogate pair. If its not valid, use the | |
| // replacement char.*] | |
| if(!(tmpVal & 0xFFFF0000)) | |
| change_case_UTF8(tmpVal, outPtr, table); | |
| else | |
| throw Exception(0, | |
| 0, | |
| "change_case_UTF8 error: too big tmpVal(0x%08X)", tmpVal); | |
| } | |
| if(srcPtr!=outPtr) | |
| throw Exception(0, | |
| 0, | |
| "change_case_UTF8 error: end pointers do not match"); | |
| } | |
| const String::C Charset::transcodeFromUTF8(const String::C src) const { | const String::C Charset::transcodeFromUTF8(const String::C src) const { |
| size_t src_length=src.length; | size_t src_length=src.length; |
| size_t dest_length=src.length*6/*so that surly enough, "ÿ" has max ratio */; | size_t dest_length=src.length*6/*so that surly enough, "ÿ" has max ratio */; |
| Line 544 void Charset::addEncoding(char *name_cst | Line 678 void Charset::addEncoding(char *name_cst |
| } | } |
| void Charset::initTranscoder(const StringBody NAME, const char* name_cstr) { | void Charset::initTranscoder(const String::Body NAME, const char* name_cstr) { |
| ftranscoder=xmlFindCharEncodingHandler(name_cstr); | ftranscoder=xmlFindCharEncodingHandler(name_cstr); |
| transcoder(NAME); // check right way | transcoder(NAME); // check right way |
| } | } |
| xmlCharEncodingHandler& Charset::transcoder(const StringBody NAME) { | xmlCharEncodingHandler& Charset::transcoder(const String::Body NAME) { |
| if(!ftranscoder) | if(!ftranscoder) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| new String(NAME, String::L_TAINTED), | new String(NAME, String::L_TAINTED), |
| Line 641 GdomeDOMString_auto_ptr Charset::transco | Line 775 GdomeDOMString_auto_ptr Charset::transco |
| return transcode_buf2dom(cstr, strlen(cstr)); | return transcode_buf2dom(cstr, strlen(cstr)); |
| } | } |
| GdomeDOMString_auto_ptr Charset::transcode(const StringBody s) { | GdomeDOMString_auto_ptr Charset::transcode(const String::Body s) { |
| const char* cstr=s.cstr(); | const char* cstr=s.cstr(); |
| return transcode_buf2dom(cstr, s.length()); | return transcode_buf2dom(cstr, s.length()); |
| } | } |
| #endif | #endif |
| StringBody Charset::transcode(const StringBody src, | String::Body Charset::transcode(const String::Body src, |
| const Charset& source_transcoder, | const Charset& source_transcoder, |
| const Charset& dest_transcoder) { | const Charset& dest_transcoder) { |
| Line 659 StringBody Charset::transcode(const Stri | Line 793 StringBody Charset::transcode(const Stri |
| source_transcoder, | source_transcoder, |
| dest_transcoder); | dest_transcoder); |
| return StringBody(dest.str, dest.length); | return String::Body(dest.str, dest.length); |
| } | } |
| String& Charset::transcode(const String& src, | String& Charset::transcode(const String& src, |
| Line 668 String& Charset::transcode(const String& | Line 802 String& Charset::transcode(const String& |
| if(!src.length()) | if(!src.length()) |
| return *new String("", 0, false); | return *new String("", 0, false); |
| return *new String(transcode((StringBody)src, source_transcoder, dest_transcoder), String::L_CLEAN); | return *new String(transcode((String::Body)src, source_transcoder, dest_transcoder), String::L_CLEAN); |
| } | } |
| void Charset::transcode(ArrayString& src, | void Charset::transcode(ArrayString& src, |
| Line 684 struct Transcode_pair_info { | Line 818 struct Transcode_pair_info { |
| const Charset* dest_transcoder; | const Charset* dest_transcoder; |
| }; | }; |
| #endif | #endif |
| static void transcode_pair(const StringBody akey, | static void transcode_pair(const String::Body akey, |
| StringBody& avalue, | String::Body& avalue, |
| Transcode_pair_info* info) { | Transcode_pair_info* info) { |
| avalue=Charset::transcode(avalue, | avalue=Charset::transcode(avalue, |
| *info->source_transcoder, | *info->source_transcoder, |