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| version 1.65, 2001/04/03 15:25:09 | version 1.90, 2001/05/21 16:39:32 |
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| Line 10 | Line 10 |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include <locale.h> | #include "pcre.h" |
| #include "internal.h" | |
| #include "pa_pool.h" | #include "pa_pool.h" |
| #include "pa_string.h" | #include "pa_string.h" |
| Line 20 | Line 21 |
| #include "pa_array.h" | #include "pa_array.h" |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_table.h" | #include "pa_table.h" |
| #include "pa_threads.h" | |
| #include "pcre.h" | |
| //#include "pa_sapi.h" | |
| // String | String::String(Pool& apool, const char *src, size_t src_size, bool tainted) : |
| String::String(Pool& apool, const char *src, bool tasize_ted) : | |
| Pooled(apool) { | Pooled(apool) { |
| last_chunk=&head; | last_chunk=&head; |
| head.count=CR_PREALLOCATED_COUNT; | head.count=CR_PREALLOCATED_COUNT; |
| Line 38 String::String(Pool& apool, const char * | Line 32 String::String(Pool& apool, const char * |
| fused_rows=fsize=0; | fused_rows=fsize=0; |
| if(src) | if(src) |
| if(tasize_ted) | if(tainted) |
| APPEND_TAINTED(src, 0, 0, 0); | APPEND_TAINTED(src, src_size, 0, 0); |
| else | else |
| APPEND_CONST(src); | APPEND_CLEAN(src, src_size, 0, 0); |
| } | } |
| void String::expand() { | void String::expand() { |
| size_t new_chunk_count=last_chunk->count+last_chunk->count*CR_GROW_PERCENT/100; | size_t new_chunk_count=last_chunk->count+CR_GROW_COUNT; |
| last_chunk=static_cast<Chunk *>( | last_chunk=static_cast<Chunk *>( |
| malloc(sizeof(size_t)+sizeof(Chunk::Row)*new_chunk_count+sizeof(Chunk *))); | malloc(sizeof(size_t)+sizeof(Chunk::Row)*new_chunk_count+sizeof(Chunk *))); |
| last_chunk->count=new_chunk_count; | last_chunk->count=new_chunk_count; |
| Line 188 int String::cmp(int& partial, const Stri | Line 182 int String::cmp(int& partial, const Stri |
| Chunk::Row *b_end=src.append_here; | Chunk::Row *b_end=src.append_here; |
| size_t a_countdown=a_chunk->count; | size_t a_countdown=a_chunk->count; |
| size_t b_countdown=b_chunk->count; | size_t b_countdown=b_chunk->count; |
| bool a_break=false; | |
| bool b_break=false; | |
| size_t result; | size_t result; |
| size_t pos=0; | size_t pos=0; |
| while(true) { | |
| a_break=a_row==a_end; | |
| b_break=b_row==b_end; | |
| if(a_break || b_break) | |
| break; | |
| bool a_break=size()==0; | |
| bool b_break=size()==0; | |
| if(!(a_break || b_break)) while(true) { | |
| if(pos+a_row->item.size > this_offset) { | if(pos+a_row->item.size > this_offset) { |
| if(lang!=UL_UNKNOWN && a_row->item.lang!=lang) | if(lang!=UL_UNSPECIFIED && a_row->item.lang!=lang) |
| return -1; // wrong lang -- bail out | return -1; // wrong lang -- bail out |
| int size_diff= | int size_diff= |
| Line 230 int String::cmp(int& partial, const Stri | Line 220 int String::cmp(int& partial, const Stri |
| pos+=a_row->item.size; | pos+=a_row->item.size; |
| a_row++; a_countdown--; a_offset=0; | a_row++; a_countdown--; a_offset=0; |
| } | } |
| if(b_break=b_row==b_end) { | |
| a_break=a_row==a_end; | |
| break; | |
| } | |
| if(!b_countdown) { | if(!b_countdown) { |
| b_chunk=b_row->link; | b_chunk=b_row->link; |
| b_row=b_chunk->rows; | b_row=b_chunk->rows; |
| Line 242 int String::cmp(int& partial, const Stri | Line 235 int String::cmp(int& partial, const Stri |
| a_row++; a_countdown--; | a_row++; a_countdown--; |
| } | } |
| if(a_break=a_row==a_end) { | |
| b_break=b_row==b_end; | |
| break; | |
| } | |
| if(!a_countdown) { | if(!a_countdown) { |
| a_chunk=a_row->link; | a_chunk=a_row->link; |
| a_row=a_chunk->rows; | a_row=a_chunk->rows; |
| Line 270 int String::cmp(int& partial, const char | Line 267 int String::cmp(int& partial, const char |
| size_t b_offset=0; | size_t b_offset=0; |
| Chunk::Row *a_end=append_here; | Chunk::Row *a_end=append_here; |
| size_t a_countdown=a_chunk->count; | size_t a_countdown=a_chunk->count; |
| bool a_break=false; | |
| bool b_break=false; | |
| size_t pos=0; | size_t pos=0; |
| while(true) { | |
| a_break=a_row==a_end; | |
| if(a_break || b_break) | |
| break; | |
| bool a_break=size()==0; | |
| bool b_break=b_size==0; | |
| if(!(a_break || b_break)) while(true) { | |
| if(pos+a_row->item.size > this_offset) { | if(pos+a_row->item.size > this_offset) { |
| if(lang!=UL_UNKNOWN && a_row->item.lang!=lang) | if(lang!=UL_UNSPECIFIED && a_row->item.lang!=lang) |
| return -1; // wrong lang -- bail out | return -1; // wrong lang -- bail out |
| int size_diff= | int size_diff= |
| Line 313 int String::cmp(int& partial, const char | Line 307 int String::cmp(int& partial, const char |
| a_row++; a_countdown--; | a_row++; a_countdown--; |
| } | } |
| a_break=a_row==a_end; | |
| if(a_break || b_break) | |
| break; | |
| if(!a_countdown) { | if(!a_countdown) { |
| a_chunk=a_row->link; | a_chunk=a_row->link; |
| a_row=a_chunk->rows; | a_row=a_chunk->rows; |
| Line 338 const Origin& String::origin() const { | Line 335 const Origin& String::origin() const { |
| // determining origin by last appended piece | // determining origin by last appended piece |
| // because first one frequently constant. | // because first one frequently constant. |
| // ex: ^load[/file] "document_root" + "/file" | // ex: ^load[/file] "document_root" + "/file" |
| return append_here[-1].item.origin; | // when last peice is constant, |
| // ex: parser_root_auto_path{dynamic} / auto.p{const} | |
| // using first piece | |
| Origin& last_origin=append_here[-1].item.origin; | |
| return last_origin.file ? last_origin : head.rows[0].item.origin; | |
| } | } |
| #endif | #endif |
| String& String::piece(size_t start, size_t finish) const { | String& String::mid(size_t start, size_t finish) const { |
| start=max(0, start); | start=max(0, start); |
| finish=min(size(), finish); | finish=min(size(), finish); |
| if(start==finish) | if(start==finish) |
| Line 415 void String::split(Array& result, | Line 416 void String::split(Array& result, |
| int pos_before; | int pos_before; |
| // while we have 'delim'... | // while we have 'delim'... |
| for(; (pos_before=pos(delim, delim_size, pos_after, lang))>=0 && limit; limit--) { | for(; (pos_before=pos(delim, delim_size, pos_after, lang))>=0 && limit; limit--) { |
| result+=&piece(pos_after, pos_before); | result+=&mid(pos_after, pos_before); |
| pos_after=pos_before+delim_size; | pos_after=pos_before+delim_size; |
| } | } |
| // last piece | // last piece |
| if(pos_after<size() && limit) { | if(pos_after<size() && limit) { |
| result+=&piece(pos_after, size()); | result+=&mid(pos_after, size()); |
| pos_after=size(); | pos_after=size(); |
| } | } |
| if(pos_after_ref) | if(pos_after_ref) |
| Line 441 void String::split(Array& result, | Line 442 void String::split(Array& result, |
| 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--) { |
| result+=&piece(pos_after, pos_before); | result+=&mid(pos_after, pos_before); |
| pos_after=pos_before+delim.size(); | pos_after=pos_before+delim.size(); |
| } | } |
| // last piece | // last piece |
| if(pos_after<size() && limit) { | if(pos_after<size() && limit) { |
| result+=&piece(pos_after, size()); | result+=&mid(pos_after, size()); |
| pos_after=size(); | pos_after=size(); |
| } | } |
| if(pos_after_ref) | if(pos_after_ref) |
| Line 458 void String::split(Array& result, | Line 459 void String::split(Array& result, |
| } | } |
| } | } |
| /// @test really @b test: s x m [tested: i & g ] | |
| static void regex_options(char *options, int *result){ | static void regex_options(char *options, int *result){ |
| struct Regex_option { | struct Regex_option { |
| char key; | char key; |
| Line 466 static void regex_options(char *options, | Line 466 static void regex_options(char *options, |
| int *result; | int *result; |
| } regex_option[]={ | } regex_option[]={ |
| {'i', 0, PCRE_CASELESS, result}, // a=A | {'i', 0, PCRE_CASELESS, result}, // a=A |
| {'s', 0, PCRE_DOTALL, result}, // \n\n$ | {'s', 0, PCRE_DOTALL, result}, // \n\n$ [default] |
| {'x', 0, PCRE_EXTENDED, result}, // whitespace in regex ignored | {'x', 0, PCRE_EXTENDED, result}, // whitespace in regex ignored |
| {'m', PCRE_DOTALL, PCRE_MULTILINE, result}, // ^aaa\n$^bbb\n$ | {'m', PCRE_DOTALL, PCRE_MULTILINE, result}, // ^aaa\n$^bbb\n$ |
| {'g', 0, true, result+1}, // many rows | {'g', 0, true, result+1}, // many rows |
| Line 485 static void regex_options(char *options, | Line 485 static void regex_options(char *options, |
| } | } |
| } | } |
| /// @test setlocale param to auto.p | /// @todo maybe need speedup: some option to remove pre/match/post string generation |
| bool String::match(const String *aorigin, | bool String::match(const unsigned char *pcre_tables, |
| const String *aorigin, | |
| const String& regexp, | const String& regexp, |
| const String *options, | const String *options, |
| Table **table, | Table **table, |
| Row_action row_action, void *info) const { | Row_action row_action, void *info) const { |
| static const unsigned char *tables=0; { SYNCHRONIZED(true); | if(!regexp.size()) |
| if(!tables) { | THROW(0, 0, |
| setlocale(LC_CTYPE, "ru"); | aorigin, |
| tables=pcre_maketables(); | "regexp is empty"); |
| } | const char *pattern=regexp.cstr(UL_AS_IS); |
| } | |
| const char *pattern=regexp.cstr(); | |
| const char *errptr; | const char *errptr; |
| int erroffset; | int erroffset; |
| int option_bits[2]; regex_options(options?options->cstr():0, option_bits); | int option_bits[2]; regex_options(options?options->cstr():0, option_bits); |
| pcre *code=pcre_compile(pattern, option_bits[0], | pcre *code=pcre_compile(pattern, option_bits[0], |
| &errptr, &erroffset, | &errptr, &erroffset, |
| tables); | pcre_tables); |
| if(!code) { | if(!code) |
| THROW(0, 0, | THROW(0, 0, |
| ®exp.piece(erroffset, regexp.size()), | ®exp.mid(erroffset, regexp.size()), |
| errptr); | "regular expression syntax error - %s", errptr); |
| } | |
| int info_substrings=pcre_info(code, 0, 0); | int info_substrings=pcre_info(code, 0, 0); |
| if(info_substrings<0) { | if(info_substrings<0) { |
| (*pcre_free)(code); | (*pcre_free)(code); |
| THROW(0, 0, | THROW(0, 0, |
| aorigin, | aorigin, |
| "pcre_info error #%d", | "pcre_info error (%d)", |
| info_substrings); | info_substrings); |
| } | } |
| int startoffset=0; | int startoffset=0; |
| const char *subject=cstr(); | const char *subject=cstr(UL_AS_IS); |
| int length=strlen(subject); | int length=strlen(subject); |
| int ovecsize; | int ovecsize; |
| int *ovector=(int *)malloc(sizeof(int)* | int *ovector=(int *)malloc(sizeof(int)* |
| Line 549 bool String::match(const String *aorigin | Line 547 bool String::match(const String *aorigin |
| if(exec_substrings==PCRE_ERROR_NOMATCH) { | if(exec_substrings==PCRE_ERROR_NOMATCH) { |
| (*pcre_free)(code); | (*pcre_free)(code); |
| (*row_action)(**table, 0/*last time, no row*/, info); | (*row_action)(**table, 0/*last time, no row*/, 0, 0, info); |
| return option_bits[1]!=0; // global=true+table, not global=false | return option_bits[1]!=0; // global=true+table, not global=false |
| } | } |
| Line 557 bool String::match(const String *aorigin | Line 555 bool String::match(const String *aorigin |
| (*pcre_free)(code); | (*pcre_free)(code); |
| THROW(0, 0, | THROW(0, 0, |
| aorigin, | aorigin, |
| "pcre_exec error #%d", | "regular expression execute error (%d)", |
| exec_substrings); | exec_substrings); |
| } | } |
| Array& row=*NEW Array(pool()); | Array& row=*NEW Array(pool()); |
| row+=&piece(0, ovector[0]); // .pre-match column value | row+=&mid(0, ovector[0]); // .prematch column value |
| row+=&piece(ovector[0], ovector[1]); // .match | row+=&mid(ovector[0], ovector[1]); // .match |
| row+=&piece(ovector[1], size()); // .post-match | row+=&mid(ovector[1], size()); // .postmatch |
| for(int i=1; i<exec_substrings; i++) { | for(int i=1; i<exec_substrings; i++) { |
| // -1:-1 case handled peacefully by piece() itself | // -1:-1 case handled peacefully by mid() itself |
| row+=&piece(ovector[i*2+0], ovector[i*2+1]); // .i column value | row+=&mid(ovector[i*2+0], ovector[i*2+1]); // .i column value |
| } | } |
| (*row_action)(**table, &row, info); | (*row_action)(**table, &row, startoffset, ovector[0], info); |
| if(!option_bits[1]) { // not global | if(!option_bits[1] || !(startoffset=ovector[1])) { // not global | going to hang |
| (*pcre_free)(code); | (*pcre_free)(code); |
| (*row_action)(**table, 0/*last time, no row*/, info); | (*row_action)(**table, 0/*last time, no row*/, 0, 0, info); |
| return true; | return true; |
| } | } |
| startoffset=ovector[1]; | |
| /* | /* |
| if(option_bits[0] & PCRE_MULTILINE) | if(option_bits[0] & PCRE_MULTILINE) |
| exec_option_bits|=PCRE_NOTBOL; // start of subject+startoffset not BOL | exec_option_bits|=PCRE_NOTBOL; // start of subject+startoffset not BOL |
| */ | */ |
| } | } |
| } | } |
| String& String::change_case(Pool& pool, const unsigned char *tables, | |
| Change_case_kind kind) const { | |
| String& result=*new(pool) String(pool); | |
| const unsigned char *a; | |
| const unsigned char *b; | |
| switch(kind) { | |
| case CC_UPPER: | |
| a=tables+lcc_offset; | |
| b=tables+fcc_offset; | |
| break; | |
| case CC_LOWER: | |
| a=tables+lcc_offset; | |
| b=0; | |
| break; | |
| default: | |
| PTHROW(0, 0, | |
| this, | |
| "unknown change case kind #%d", | |
| static_cast<int>(kind)); // never | |
| a=b=0; // calm, compiler | |
| break; // never | |
| } | |
| const Chunk *chunk=&head; | |
| do { | |
| const Chunk::Row *row=chunk->rows; | |
| for(size_t i=0; i<chunk->count; i++, row++) { | |
| if(row==append_here) | |
| goto break2; | |
| char *new_cstr=(char *)pool.malloc(row->item.size); | |
| char *dest=new_cstr; | |
| const char *src=row->item.ptr; | |
| for(int size=row->item.size; size--; src++) { | |
| unsigned char c=a[(unsigned char)*src]; | |
| if(b) | |
| c=b[c]; | |
| *dest++=(char)c; | |
| } | |
| result.APPEND(new_cstr, row->item.size, | |
| row->item.lang, | |
| row->item.origin.file, row->item.origin.line); | |
| } | |
| chunk=row->link; | |
| } while(chunk); | |
| break2: | |
| return result; | |
| } | |
| double String::as_double() const { | |
| double result; | |
| const char *cstr=this->cstr(); | |
| char *error_pos=0; | |
| // 0xABC | |
| if(cstr[0]=='0' && (cstr[1]=='x' || cstr[1]=='X')) | |
| result=(double)(unsigned long)strtol(cstr, &error_pos, 0); | |
| else | |
| result=strtod(cstr, &error_pos); | |
| if(error_pos && *error_pos) | |
| THROW(0, 0, | |
| this, | |
| "invalid number (double)"); | |
| return result; | |
| } | |
| int String::as_int() const { | |
| int result; | |
| const char *cstr=this->cstr(); | |
| char *error_pos=0; | |
| // 0xABC | |
| if(cstr[0]=='0' && (cstr[1]=='x' || cstr[1]=='X')) | |
| result=(int)(unsigned long)strtol(cstr, &error_pos, 0); | |
| else | |
| result=(int)strtol(cstr, &error_pos, 0); | |
| if(error_pos && *error_pos) | |
| THROW(0, 0, | |
| this, | |
| "invalid number (int)"); | |
| return result; | |
| } |