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| version 1.172.2.21.2.14, 2003/03/21 10:12:34 | version 1.172.2.21.2.24, 2003/03/24 15:32:16 |
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| Line 78 void String::ArrayFragment::mid(ArrayFra | Line 78 void String::ArrayFragment::mid(ArrayFra |
| } | } |
| */ | */ |
| // StringSimple methods | |
| 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, helper_length, tainted?UL_TAINTED:UL_CLEAN); | append(cstr, helper_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(src.fragments) {} |
| String& String::append(const char* str, size_t helper_length, Untaint_lang lang) { | String& String::append(const char* str, size_t length, Language lang) { |
| if(!str) | if(!str) |
| return *this; | return *this; |
| size_t use_length=helper_length?helper_length:strlen(str); | size_t use_length=length?length:strlen(str); |
| if(!use_length) | if(!use_length) |
| return *this; | return *this; |
| body=CORD_cat_char_star(body, str, use_length); | body.append(str, use_length); |
| fragments+=Fragment(lang, use_length); | fragments+=Fragment(lang, use_length); |
| return *this; | return *this; |
| } | } |
| 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 String::hash_code() const { | |
| uint result=0; | |
| CORD_iter5(body, 0, 0, CORD_batched_iter_fn_generic_hash_code, &result); | |
| return result; | |
| } | |
| /// @todo check in doc: whether it documents NOW bad situation "abc".mid(-1, 3) =were?="ab" | /// @todo check in doc: whether it documents NOW bad situation "abc".mid(-1, 3) =were?="ab" |
| const String& String::mid(size_t substr_begin, size_t substr_end) const { | String& String::mid(size_t substr_begin, size_t substr_end) const { |
| String& result=*new String; | String& result=*new String; |
| size_t self_length=length(); | size_t self_length=length(); |
| Line 121 const String& String::mid(size_t substr_ | Line 131 const String& String::mid(size_t substr_ |
| return result; | return result; |
| // first: letters themselves | // first: letters themselves |
| result.body=CORD_substr(body, substr_begin, substr_end-substr_begin); | result.body=body.mid(substr_begin, substr_end-substr_begin); |
| // next: their langs | // next: their langs |
| result.fragments.append_positions(fragments, substr_begin, 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_begin, substr_end, result.cstr()); | //cstr(), substr_begin, substr_end, result.cstr()); |
| 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_begin=CORD_str(body, this_offset, substr); | size_t substr_begin=body.pos(substr, this_offset); |
| if(substr_begin==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_begin; | 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_begin+CORD_len(substr); | size_t substr_end=substr_begin+substr.length(); |
| size_t fragment_begin=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_begin=fragment_end) { | for(Array_iterator<ArrayFragment::element_type> i(fragments); i.has_next(); fragment_begin=fragment_end) { |
| Line 160 size_t String::pos(CORD substr, | Line 170 size_t String::pos(CORD substr, |
| throw Exception(0, // (*) see below | throw Exception(0, // (*) see below |
| this, | this, |
| "searching for '%s' starting from %ud problem: found begin in one fragment, but end in another", | "searching for '%s' starting from %ud problem: found begin in one fragment, but end in another", |
| CORD_to_const_char_star(substr), this_offset); | substr.cstr(), this_offset); |
| if(fragment.lang==lang) | if(fragment.lang<=lang) |
| return substr_begin; | return substr_begin; |
| else { // bad lang... | else { // bad lang... |
| /// WARNING: this possibly skips assert (*), but it's fast | /// WARNING: this possibly skips assert (*), but it's fast |
| substr_begin=CORD_str(body, fragment_end/*...search AFTER for more*/, substr); | substr_begin=body.pos(substr, fragment_end/*...search AFTER for more*/); |
| if(substr_begin==CORD_NOT_FOUND) | if(substr_begin==CORD_NOT_FOUND) |
| return STRING_NOT_FOUND; | return STRING_NOT_FOUND; |
| size_t substr_end=substr_begin+CORD_len(substr); | size_t substr_end=substr_begin+substr.length(); |
| // and continuing with next fragment | // and continuing with next fragment |
| } | } |
| } | } |
| Line 179 size_t String::pos(CORD substr, | Line 189 size_t String::pos(CORD substr, |
| } | } |
| 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; |
| Line 208 void String::split(ArrayString& result, | Line 218 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))>=0 && limit; limit--) { |
| Line 228 void String::split(ArrayString& result, | Line 238 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 247 static void regex_options(const String& | Line 257 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)>=0 |
| || (o->keyU && options.pos(o->keyU)>=0)) { | || (o->keyU && options->pos(o->keyU)>=0)) { |
| if(o->flag) | if(o->flag) |
| *o->flag=true; | *o->flag=true; |
| else { // result | else { // result |
| Line 262 static void regex_options(const String& | Line 272 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 300 Table* String::match(Charset& source_cha | Line 310 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& table=*new Table(string_match_table_template); |
| int exec_option_bits=0; | int exec_option_bits=0; |
| int prestart=0; | int prestart=0; |
| Line 315 Table* String::match(Charset& source_cha | Line 325 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 352 Table* String::match(Charset& source_cha | Line 362 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 363 Table* String::match(Charset& source_cha | Line 373 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(); |
| const unsigned char *tables=source_charset.pcre_tables; | const unsigned char *tables=source_charset.pcre_tables; |
| Line 413 const String& String::replace(const Dict | Line 423 const String& String::replace(const Dict |
| if(Table::element_type row=dict.first_that_begins(current)) { | if(Table::element_type row=dict.first_that_begins(current)) { |
| // prematch | // prematch |
| if(size_t prematch_length=current-prematch_begin) { | if(size_t prematch_length=current-prematch_begin) { |
| result.body=CORD_cat_char_star(result.body, prematch_begin, prematch_length); | result.body.append(prematch_begin, prematch_length); |
| result.fragments.append_positions(fragments, prematch_begin-old_cstr, current-old_cstr); | result.fragments.append_positions(fragments, prematch_begin-old_cstr, current-old_cstr); |
| } | } |
| Line 426 const String& String::replace(const Dict | Line 436 const String& String::replace(const Dict |
| 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()) { | if(size_t b_length=b->length()) { |
| result.body=CORD_cat(result.body, b->cstr_to_cord()); | result.body.append(b->cstr_to_string_body()); |
| result.fragments.append(b->fragments); | result.fragments.append(b->fragments); |
| } | } |
| } | } |
| Line 436 const String& String::replace(const Dict | Line 446 const String& String::replace(const Dict |
| // postmatch | // postmatch |
| if(size_t postmatch_length=current-prematch_begin) { | if(size_t postmatch_length=current-prematch_begin) { |
| result.body=CORD_cat_char_star(result.body, prematch_begin, postmatch_length); | result.body.append(prematch_begin, postmatch_length); |
| result.fragments.append_positions(fragments, prematch_begin-old_cstr, current-old_cstr); | result.fragments.append_positions(fragments, prematch_begin-old_cstr, current-old_cstr); |
| } | } |
| Line 511 inline uint uchars2uint(uchar *bytes) { | Line 521 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::C String::serialize(size_t prolog_length) const { |
| size_t buf_length= | size_t buf_length= |
| prolog_length | prolog_length |
| +fragments.count()*(sizeof(Untaint_lang)+sizeof(size_t)) | +fragments.count()*(sizeof(Language)+sizeof(size_t)) |
| +length(); | +length(); |
| C result(new(PointerFreeGC) char[buf_length], buf_length); | C result(new(PointerFreeGC) char[buf_length], buf_length); |
| Line 543 String::C String::serialize(size_t prolo | Line 551 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 564 bool String::deserialize(size_t prolog_l | Line 572 bool String::deserialize(size_t prolog_l |
| // 3: lang info | // 3: lang info |
| size_t total_length=0; | size_t total_length=0; |
| for(size_t f=0; f<fragments_count; f++) { | for(size_t f=0; f<fragments_count; f++) { |
| size_t piece_length=sizeof(Untaint_lang)+sizeof(size_t); | size_t piece_length=sizeof(Language)+sizeof(size_t); |
| if(buf_length<piece_length) // lang+length | if(buf_length<piece_length) // lang+length |
| return false; | return false; |
| Untaint_lang lang=*reinterpret_cast<const Untaint_lang *>(cur); cur+=sizeof(Untaint_lang); | Language lang=*reinterpret_cast<const Language *>(cur); cur+=sizeof(Language); |
| size_t fragment_length=*reinterpret_cast<const size_t*>(cur); cur+=sizeof(size_t); | size_t fragment_length=*reinterpret_cast<const size_t*>(cur); cur+=sizeof(size_t); |
| fragments+=Fragment(lang, fragment_length); | fragments+=Fragment(lang, fragment_length); |
| total_length+=fragment_length; | total_length+=fragment_length; |