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| version 1.172.2.21.2.10, 2003/03/20 14:34:01 | version 1.175, 2003/08/18 08:27:41 |
|---|---|
| Line 28 public: | Line 28 public: |
| *this+=new String("match"); | *this+=new String("match"); |
| *this+=new String("postmatch"); | *this+=new String("postmatch"); |
| for(int i=0; i<MAX_MATCH_GROUPS; i++) { | for(int i=0; i<MAX_MATCH_GROUPS; i++) { |
| char *cname=new(PointerFreeGC) char[3/*strlen("100")*/+1/*terminating 0*/]; | *this+=new String(StringBody::Format(1+i), String::L_CLEAN); |
| *this+=new String(cname, sprintf(cname, "%d", 1+i)); | |
| } | } |
| } | } |
| }; | }; |
| Line 38 Table string_match_table_template(new St | Line 37 Table string_match_table_template(new St |
| // String::ArrayFragment methods | // String::ArrayFragment methods |
| String::ArrayFragment& String::ArrayFragment::append(const ArrayFragment& src, | void String::ArrayFragment::append_positions(const ArrayFragment& src, |
| size_t substr_start, size_t substr_end) { | size_t substr_begin, size_t substr_end) { |
| if(substr_start==substr_end) | if(substr_begin==substr_end) |
| return *this; | return; |
| // FILE *err=fopen("append.log", "wt"); | |
| size_t fragment_start=0; | size_t fragment_begin=0; |
| size_t fragment_end; | size_t fragment_end; |
| for(Array_iterator<element_type> i(src); ; fragment_start=fragment_end) { | for(Array_iterator<element_type> i(src); ; fragment_begin=fragment_end) { |
| const element_type& fragment=i.next(); | const Fragment fragment=i.next(); |
| fragment_end=fragment_start+fragment.length; | fragment_end=fragment_begin+fragment.length; |
| //fprintf(err, "1end=%u\n", fragment_end);fflush(err); | |
| if(substr_start<fragment_start) // not reached fragments which may include 'substr'? | // not reached fragments which may include 'substr'? |
| if(!(substr_begin>=fragment_begin && substr_begin<fragment_end)) | |
| continue; | continue; |
| // found first fragment including piece of 'substr' | // found first fragment including piece of 'substr' |
| size_t piece_end=min(substr_end, fragment_end); | if(substr_end<=fragment_end) // fits into first fragment? |
| *this+=Fragment(fragment.lang, piece_end-substr_start); | *this+=Fragment(fragment.lang, substr_end-substr_begin); |
| else { // spans more then one fragment | |
| while(substr_end>fragment_end) { // are there more fragments including pieces of 'substr'? | *this+=Fragment(fragment.lang, fragment_end-substr_begin); |
| const element_type& fragment=i.next(); | while(true) { |
| fragment_end=fragment_start+fragment.length; | const Fragment fragment=i.next(); |
| fragment_end=(fragment_begin=fragment_end)+fragment.length; | |
| if(substr_end>fragment_end) // are there still more? | //fprintf(err, "2end=%u\n", fragment_end);fflush(err); |
| simple_append(Fragment(fragment.lang, fragment.length)); // appending whole fragment | |
| else { // no, it was last | if(substr_end>fragment_end) // are there still more? |
| simple_append(Fragment(fragment.lang, substr_end-fragment_start)); | append(Fragment(fragment.lang, fragment.length)); // appending whole fragment |
| goto break2; | else { // no, it was last |
| append(Fragment(fragment.lang, substr_end-fragment_begin)); | |
| //fclose(err); | |
| return; | |
| } | |
| } | } |
| } | } |
| break; | break; |
| } | } |
| break2: | //fclose(err); |
| return *this; | |
| } | } |
| /* | |
| void String::ArrayFragment::mid(ArrayFragment& result, size_t substr_start, size_t substr_end) { | // StringBody methods |
| StringBody StringBody::Format(int value) { | |
| char local[MAX_NUMBER]; | |
| size_t length=snprintf(local, MAX_NUMBER, "%d", value); | |
| return StringBody(pa_strdup(local, length), length); | |
| } | |
| static int CORD_batched_iter_fn_generic_hash_code(char c, void * client_data) { | |
| uint& result=*static_cast<uint*>(client_data); | |
| generic_hash_code(result, c); | |
| return 0; | |
| } | |
| static int CORD_batched_iter_fn_generic_hash_code(const char* s, void * client_data) { | |
| uint& result=*static_cast<uint*>(client_data); | |
| generic_hash_code(result, s); | |
| return 0; | |
| }; | |
| uint StringBody::hash_code() const { | |
| uint result=0; | |
| CORD_iter5(body, 0, | |
| CORD_batched_iter_fn_generic_hash_code, | |
| CORD_batched_iter_fn_generic_hash_code, &result); | |
| return result; | |
| } | } |
| */ | |
| // String methods | // String methods |
| String::String(const char* cstr, size_t helper_length, bool tainted): body(CORD_EMPTY) { | String::String(const char* cstr, size_t helper_length, bool tainted): body(CORD_EMPTY) { |
| append_cstr(cstr, helper_length, tainted?UL_TAINTED:UL_CLEAN); | append_help_length(cstr, helper_length, tainted?L_TAINTED:L_CLEAN); |
| } | |
| String::String(const String::C cstr, bool tainted): body(CORD_EMPTY) { | |
| append_know_length(cstr.str, cstr.length, tainted?L_TAINTED:L_CLEAN); | |
| } | } |
| String::String(const String& src): body(src.body), fragments(src.fragments) {} | String::String(const String& src): body(src.body) { |
| fragments.append(src.fragments); | |
| ASSERT_STRING_INVARIANT(*this); | |
| } | |
| String& String::append_cstr(const char* heap_variable, size_t helper_length, Untaint_lang lang) { | String& String::append_know_length(const char* str, size_t known_length, Language lang) { |
| if(!heap_variable) | if(!known_length) |
| return *this; | |
| size_t use_length; | |
| if(helper_length) { | |
| #ifdef _DEBUG | |
| size_t real_length=strlen(heap_variable); | |
| if(helper_length!=real_length) | |
| throw Exception(0, | |
| this, | |
| "bad String::String(real=%d, helper%d", | |
| real_length, helper_length); | |
| #endif | |
| use_length=helper_length; | |
| } else | |
| use_length=strlen(heap_variable); | |
| size_t length=helper_length?helper_length:strlen(heap_variable); | |
| if(!length) | |
| return *this; | return *this; |
| body=CORD_cat_char_star(body, heap_variable, length); | body.append_know_length(str, known_length); |
| fragments+=Fragment(lang, length); | fragments+=Fragment(lang, known_length); |
| ASSERT_STRING_INVARIANT(*this); | |
| return *this; | return *this; |
| } | } |
| String& String::append_help_length(const char* str, size_t helper_length, Language lang) { | |
| String& String::append_copy(const char* auto_variable, size_t helper_length, Untaint_lang lang) { | if(!str) |
| if(!auto_variable) | |
| return *this; | return *this; |
| size_t use_length=helper_length?helper_length:strlen(auto_variable); | size_t known_length=helper_length?helper_length:strlen(str); |
| if(!use_length) | if(!known_length) |
| return *this; | return *this; |
| body=pa_strdup(auto_variable, use_length); | return append_know_length(str, known_length, lang); |
| fragments+=Fragment(lang, use_length); | |
| return *this; | |
| } | } |
| String& String::append_strdup(const char* str, size_t helper_length, Language lang) { | |
| size_t known_length=helper_length?helper_length:strlen(str); | |
| if(!known_length) | |
| return *this; | |
| static int CORD_batched_iter_fn_generic_hash_code(const char* s, void * client_data) { | body.append_strdup_know_length(str, known_length); |
| uint& result=*static_cast<uint*>(client_data); | fragments+=Fragment(lang, known_length); |
| generic_hash_code(result, s); | |
| return 0; | ASSERT_STRING_INVARIANT(*this); |
| }; | return *this; |
| uint String::hash_code() const { | |
| uint result=0; | |
| CORD_iter5(body, 0, 0, CORD_batched_iter_fn_generic_hash_code, &result); | |
| return result; | |
| } | } |
| const String& String::mid(size_t substr_start, size_t substr_end) const { | /// @todo check in doc: whether it documents NOW bad situation "abc".mid(-1, 3) =were?="ab" |
| String& String::mid(size_t substr_begin, size_t substr_end) const { | |
| String& result=*new String; | String& result=*new String; |
| substr_start=min(substr_start, length()); | size_t self_length=length(); |
| substr_end=max(substr_start, substr_end); | substr_begin=min(substr_begin, self_length); |
| if(substr_start==substr_end) | substr_end=min(max(substr_end, substr_begin), self_length); |
| if(substr_begin==substr_end) | |
| return result; | return result; |
| // first: letters themselves | // first: letters themselves |
| result.body=CORD_substr(body, substr_start, substr_end-substr_start); | result.body=body.mid(substr_begin, substr_end-substr_begin); |
| // next: their langs | // next: their langs |
| result.fragments.append(fragments, substr_start, substr_end); | result.fragments.append_positions(fragments, substr_begin, substr_end); |
| // SAPI::log(pool(), "piece of '%s' from %d to %d is '%s'", | // SAPI::log("piece of '%s' from %d to %d is '%s'", |
| //cstr(), substr_start, substr_end, result.cstr()); | //cstr(), substr_begin, substr_end, result.cstr()); |
| ASSERT_STRING_INVARIANT(result); | |
| return result; | return result; |
| } | } |
| size_t String::pos(CORD substr, | size_t String::pos(const StringBody substr, |
| size_t this_offset, Untaint_lang lang) const { | size_t this_offset, Language lang) const { |
| // first: letters themselves | // first: letters themselves |
| size_t substr_start=CORD_str(body, this_offset, substr); | size_t substr_begin=body.pos(substr, this_offset); |
| if(substr_start==CORD_NOT_FOUND) | if(substr_begin==CORD_NOT_FOUND) |
| return STRING_NOT_FOUND; | return STRING_NOT_FOUND; |
| // next: check the lang when specified | // next: check the lang when specified |
| if(lang==UL_UNSPECIFIED) // ignore lang? | if(lang==L_UNSPECIFIED) // ignore lang? |
| return substr_start; | return substr_begin; |
| // substr must be in one fragment, and fragments' lang must = lang | // substr must be in one fragment, and fragments' lang must = lang |
| size_t substr_end=substr_start+CORD_len(substr); | size_t substr_end=substr_begin+substr.length(); |
| size_t fragment_start=0; | size_t fragment_begin=0; |
| size_t fragment_end; | size_t fragment_end; |
| for(Array_iterator<ArrayFragment::element_type> i(fragments); i.has_next(); fragment_start=fragment_end) { | for(Array_iterator<ArrayFragment::element_type> i(fragments); i.has_next(); fragment_begin=fragment_end) { |
| const Fragment& fragment=i.next(); | const Fragment fragment=i.next(); |
| fragment_end=fragment_start+fragment.length; | fragment_end=fragment_begin+fragment.length; |
| if(substr_start<fragment_start) // not reached fragments which may include 'result'? | if(substr_begin<fragment_begin) // not reached fragments which may include 'result'? |
| continue; | |
| if(substr_begin>=fragment_end) // begin of substr OUT of current fragment? | |
| continue; | continue; |
| if(substr_end>fragment_end) // end of substr OUT of current fragment? | if(substr_end>fragment_end) // end of substr OUT of current fragment? |
| break; | throw Exception(0, // (*) see below |
| this, | |
| "searching for '%s' starting from %ud problem: found begin in one fragment, but end in another", | |
| substr.cstr(), this_offset); | |
| return fragment.lang==lang?substr_end:STRING_NOT_FOUND; | if(fragment.lang<=lang) |
| return substr_begin; | |
| else { // bad lang... | |
| /// WARNING: this possibly skips assert (*), but it's fast | |
| substr_begin=body.pos(substr, fragment_end/*...search AFTER for more*/); | |
| if(substr_begin==CORD_NOT_FOUND) | |
| return STRING_NOT_FOUND; | |
| size_t substr_end=substr_begin+substr.length(); | |
| // and continuing with next fragment | |
| } | |
| } | } |
| return STRING_NOT_FOUND; | return STRING_NOT_FOUND; |
| } | } |
| size_t String::pos(const String& substr, | size_t String::pos(const String& substr, |
| size_t this_offset, Untaint_lang lang) const { | size_t this_offset, Language lang) const { |
| return pos(substr.body, this_offset, lang); | return pos(substr.body, this_offset, lang); |
| } | } |
| void String::split(ArrayString& result, | void String::split(ArrayString& result, |
| size_t& pos_after, | size_t& pos_after, |
| const char* delim, | const char* delim, |
| Untaint_lang lang, int limit) { | Language lang, int limit) const { |
| size_t self_length=length(); | size_t self_length=length(); |
| if(size_t delim_length=strlen(delim)) { | if(size_t delim_length=strlen(delim)) { |
| int pos_before; | int pos_before; |
| // while we have 'delim'... | // while we have 'delim'... |
| for(; (pos_before=pos(delim, pos_after, lang))>=0 && limit; limit--) { | for(; (pos_before=pos(delim, pos_after, lang))!=STRING_NOT_FOUND && limit; limit--) { |
| result+=&mid(pos_after, pos_before); | result+=&mid(pos_after, pos_before); |
| pos_after=pos_before+delim_length; | pos_after=pos_before+delim_length; |
| } | } |
| Line 217 void String::split(ArrayString& result, | Line 249 void String::split(ArrayString& result, |
| } | } |
| void String::split(ArrayString& result, | void String::split(ArrayString& result, |
| size_t& pos_after, | size_t& pos_after, |
| const String& delim, Untaint_lang lang, | const String& delim, Language lang, |
| int limit) const { | int limit) const { |
| if(delim) { | if(!delim.is_empty()) { |
| int pos_before; | int pos_before; |
| // while we have 'delim'... | // while we have 'delim'... |
| for(; (pos_before=pos(delim, pos_after, lang))>=0 && limit; limit--) { | for(; (pos_before=pos(delim, pos_after, lang))!=STRING_NOT_FOUND && limit; limit--) { |
| result+=&mid(pos_after, pos_before); | result+=&mid(pos_after, pos_before); |
| pos_after=pos_before+delim.length(); | pos_after=pos_before+delim.length(); |
| } | } |
| Line 238 void String::split(ArrayString& result, | Line 270 void String::split(ArrayString& result, |
| } | } |
| } | } |
| static void regex_options(const String& options, int *result, bool& need_pre_post_match){ | static void regex_options(const String* options, int *result, bool& need_pre_post_match){ |
| struct Regex_option { | struct Regex_option { |
| const char* keyL; | const char* keyL; |
| const char* keyU; | const char* keyU; |
| Line 257 static void regex_options(const String& | Line 289 static void regex_options(const String& |
| result[0]=PCRE_EXTRA | PCRE_DOTALL | PCRE_DOLLAR_ENDONLY; | result[0]=PCRE_EXTRA | PCRE_DOTALL | PCRE_DOLLAR_ENDONLY; |
| result[1]=0; | result[1]=0; |
| if(options) | if(options && !options->is_empty()) |
| for(Regex_option *o=regex_option; o->keyL; o++) | for(Regex_option *o=regex_option; o->keyL; o++) |
| if(options.pos(o->keyL)>=0 | if(options->pos(o->keyL)!=STRING_NOT_FOUND |
| || (o->keyU && options.pos(o->keyU)>=0)) { | || (o->keyU && options->pos(o->keyU)!=STRING_NOT_FOUND)) { |
| if(o->flag) | if(o->flag) |
| *o->flag=true; | *o->flag=true; |
| else { // result | else { // result |
| Line 271 static void regex_options(const String& | Line 303 static void regex_options(const String& |
| } | } |
| Table* String::match(Charset& source_charset, | Table* String::match(Charset& source_charset, |
| const String& regexp, | const String& regexp, |
| const String& options, | const String* options, |
| Row_action row_action, void *info, | Row_action row_action, void *info, |
| bool& just_matched) const { | bool& just_matched) const { |
| if(!regexp) | if(regexp.is_empty()) |
| throw Exception(0, | throw Exception(0, |
| 0, | 0, |
| "regexp is empty"); | "regexp is empty"); |
| Line 284 Table* String::match(Charset& source_cha | Line 316 Table* String::match(Charset& source_cha |
| const char* errptr; | const char* errptr; |
| int erroffset; | int erroffset; |
| bool need_pre_post_match=false; | bool need_pre_post_match=false; |
| int option_bits[2]; regex_options(options, option_bits, need_pre_post_match); | int option_bits[2]={0}; regex_options(options, option_bits, need_pre_post_match); |
| bool global=option_bits[1]!=0; | bool global=option_bits[1]!=0; |
| pcre *code=pcre_compile(pattern, option_bits[0], | pcre *code=pcre_compile(pattern, option_bits[0], |
| &errptr, &erroffset, | &errptr, &erroffset, |
| Line 310 Table* String::match(Charset& source_cha | Line 342 Table* String::match(Charset& source_cha |
| int ovector[oveclength]; | int ovector[oveclength]; |
| // create table | // create table |
| Table* table=new Table(string_match_table_template); | Table::Action_options table_options; |
| Table& table=*new Table(string_match_table_template, table_options); | |
| int exec_option_bits=0; | int exec_option_bits=0; |
| int prestart=0; | int prestart=0; |
| Line 325 Table* String::match(Charset& source_cha | Line 358 Table* String::match(Charset& source_cha |
| pcre_free(code); | pcre_free(code); |
| row_action(table, 0/*last time, no raw*/, 0, 0, poststart, postfinish, info); | row_action(table, 0/*last time, no raw*/, 0, 0, poststart, postfinish, info); |
| if(global || subpatterns) | if(global || subpatterns) |
| return table; // global or with subpatterns=true+result | return &table; // global or with subpatterns=true+result |
| else { | else { |
| just_matched=false; return 0; // not global=no result | just_matched=false; return 0; // not global=no result |
| } | } |
| Line 362 Table* String::match(Charset& source_cha | Line 395 Table* String::match(Charset& source_cha |
| if(!global || prestart==poststart) { // not global | going to hang | if(!global || prestart==poststart) { // not global | going to hang |
| pcre_free(code); | pcre_free(code); |
| row_action(table, 0/*last time, no row*/, 0, 0, poststart, postfinish, info); | row_action(table, 0/*last time, no row*/, 0, 0, poststart, postfinish, info); |
| return table; | return &table; |
| } | } |
| prestart=poststart; | prestart=poststart; |
| Line 373 Table* String::match(Charset& source_cha | Line 406 Table* String::match(Charset& source_cha |
| } | } |
| } | } |
| String& String::change_case(Charset& source_charset, Change_case_kind kind) { | String& String::change_case(Charset& source_charset, Change_case_kind kind) const { |
| String& result=*new String(); | String& result=*new String(); |
| if(is_empty()) | |
| return result; | |
| const unsigned char *tables=source_charset.pcre_tables; | const unsigned char *tables=source_charset.pcre_tables; |
| Line 409 String& String::change_case(Charset& sou | Line 444 String& String::change_case(Charset& sou |
| *dest++=(char)c; | *dest++=(char)c; |
| } | } |
| result.body=new_cstr; | result.body=new_cstr; |
| result.fragments.append(fragments, 0, fragments.count()); | result.fragments.append(fragments); |
| return result; | return result; |
| } | } |
| Line 417 String& String::change_case(Charset& sou | Line 452 String& String::change_case(Charset& sou |
| const String& String::replace(const Dictionary& dict) const { | const String& String::replace(const Dictionary& dict) const { |
| String& result=*new String(); | String& result=*new String(); |
| const char* old_cstr=cstr(); | const char* old_cstr=cstr(); |
| const char* prematch_start=old_cstr; | const char* prematch_begin=old_cstr; |
| for(const char* current=old_cstr; *current; ) { | const char* current=old_cstr; |
| if(Table::element_type row=dict.first_that_starts(current)) { | while(*current) { |
| if(Table::element_type row=dict.first_that_begins(current)) { | |
| // prematch | // prematch |
| if(size_t prematch_length=current-prematch_start) { | if(size_t prematch_length=current-prematch_begin) { |
| result.body=CORD_cat_char_star(result.body, prematch_start, prematch_length); | result.body.append_strdup_know_length(prematch_begin, prematch_length); |
| result.fragments.append(fragments, prematch_start-old_cstr, prematch_length); | result.fragments.append_positions(fragments, prematch_begin-old_cstr, current-old_cstr); |
| } | } |
| // match | // match |
| const String* a=row->get(0); | const String* a=row->get(0); |
| // skip 'a' in 'current'; move prematch_start | // skip 'a' in 'current'; move prematch_begin |
| current+=a->length(); prematch_start=current; | current+=a->length(); prematch_begin=current; |
| if(row->count()>1) { // are there any b? | if(row->count()>1) { // are there any b? |
| const String* b=row->get(1); | const String* b=row->get(1); |
| if(size_t b_length=b->length()) { | result<<*b; |
| result.body=CORD_cat(result.body, b->cstr_to_cord()); | |
| result.fragments.append(b->fragments, 0, b->fragments.count()); | |
| } | |
| } | } |
| } else // simply advance | } else // simply advance |
| current++; | current++; |
| } | } |
| // postmatch | // postmatch |
| if(size_t prematch_length=current-prematch_start) { | if(size_t postmatch_length=current-prematch_begin) { |
| result.body=CORD_cat_char_star(result.body, prematch_start, prematch_length); | result.body.append_strdup_know_length(prematch_begin, postmatch_length); |
| result.fragments.append(fragments, prematch_start-old_cstr, prematch_length); | result.fragments.append_positions(fragments, prematch_begin-old_cstr, current-old_cstr); |
| } | } |
| ASSERT_STRING_INVARIANT(result); | |
| return result; | return result; |
| } | } |
| Line 521 inline uint uchars2uint(uchar *bytes) { | Line 555 inline uint uchars2uint(uchar *bytes) { |
| | bytes[0]; | | bytes[0]; |
| } | } |
| static int CORD_batched_iter_fn_append(const char* s, void* client_data) { | static int serialize_body_piece(const char* s, char** cur) { |
| char*& cur=*static_cast<char**>(client_data); | |
| size_t length=strlen(s); | size_t length=strlen(s); |
| memcpy(cur, s, length); cur+=length; | memcpy(*cur, s, length); *cur+=length; |
| return 0; | return 0; |
| }; | }; |
| String::C String::serialize(size_t prolog_length) const { | String::Cm String::serialize(size_t prolog_length) const { |
| //_asm int 3; | |
| size_t buf_length= | size_t buf_length= |
| prolog_length | prolog_length |
| +fragments.count()*(sizeof(Untaint_lang)+sizeof(size_t)) | +sizeof(size_t) |
| +fragments.count()*(sizeof(Language)+sizeof(size_t)) | |
| +length(); | +length(); |
| C result(new(PointerFreeGC) char[buf_length], buf_length); | String::Cm result(new(PointerFreeGC) char[buf_length], buf_length); |
| // 1: prolog | // 1: prolog |
| char *cur=result.str+prolog_length; | char *cur=result.str+prolog_length; |
| Line 545 String::C String::serialize(size_t prolo | Line 579 String::C String::serialize(size_t prolo |
| // 3: lang info | // 3: lang info |
| for(Array_iterator<ArrayFragment::element_type> i(fragments); i.has_next(); ) { | for(Array_iterator<ArrayFragment::element_type> i(fragments); i.has_next(); ) { |
| const Fragment& fragment=i.next(); | const Fragment fragment=i.next(); |
| // lang | // lang |
| memcpy(cur, &fragment.lang, sizeof(fragment.lang)); cur+=sizeof(fragment.lang); | memcpy(cur, &fragment.lang, sizeof(fragment.lang)); cur+=sizeof(fragment.lang); |
| // length | // length |
| Line 553 String::C String::serialize(size_t prolo | Line 587 String::C String::serialize(size_t prolo |
| } | } |
| // 4: letters | // 4: letters |
| CORD_iter5(body, 0, 0, CORD_batched_iter_fn_append, &cur); | body.for_each(serialize_body_piece, &cur); |
| return result; | return result; |
| } | } |
| bool String::deserialize(size_t prolog_length, void *buf, size_t buf_length, const char* file) { | bool String::deserialize(size_t prolog_length, void *buf, size_t buf_length) { |
| if(buf_length<=prolog_length) | if(buf_length<=prolog_length) |
| return false; | return false; |
| buf_length-=prolog_length; | buf_length-=prolog_length; |
| Line 570 bool String::deserialize(size_t prolog_l | Line 604 bool String::deserialize(size_t prolog_l |
| return false; | return false; |
| size_t fragments_count=*reinterpret_cast<const size_t*>(cur); cur+=sizeof(size_t); | size_t fragments_count=*reinterpret_cast<const size_t*>(cur); cur+=sizeof(size_t); |
| buf_length-=sizeof(size_t); | buf_length-=sizeof(size_t); |
| if(fragments_count) { | |
| // 3: lang info | |
| size_t total_length=0; | |
| for(size_t f=0; f<fragments_count; f++) { | |
| size_t piece_length=sizeof(Language)+sizeof(size_t); | |
| if(buf_length<piece_length) // lang+length | |
| return false; | |
| Language lang=*reinterpret_cast<const Language *>(cur); cur+=sizeof(Language); | |
| size_t fragment_length=*reinterpret_cast<const size_t*>(cur); cur+=sizeof(size_t); | |
| fragments+=Fragment(lang, fragment_length); | |
| total_length+=fragment_length; | |
| // 3: lang info | buf_length-=piece_length; |
| size_t total_length=0; | } |
| for(size_t f=0; f<fragments_count; f++) { | |
| size_t piece_length=sizeof(Untaint_lang)+sizeof(size_t); | |
| if(buf_length<piece_length) // lang+length | |
| return false; | |
| Untaint_lang lang=*reinterpret_cast<const Untaint_lang *>(cur); cur+=sizeof(Untaint_lang); | // 4: letters |
| size_t fragment_length=*reinterpret_cast<const size_t*>(cur); cur+=sizeof(size_t); | if(buf_length!=total_length) |
| fragments+=Fragment(lang, fragment_length); | return false; |
| total_length+=fragment_length; | |
| buf_length-=piece_length; | body=StringBody(cur, buf_length); |
| } | } |
| // 4: letters | ASSERT_STRING_INVARIANT(*this); |
| if(buf_length!=total_length) | |
| return false; | |
| body=CORD_cat_char_star(CORD_EMPTY, cur, buf_length); | |
| return true; | return true; |
| } | } |