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| version 1.100, 2001/08/07 13:54:13 | version 1.190, 2003/11/07 13:59:21 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b table parser class. | Parser: @b table parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| #include "pa_config_includes.h" | |
| #include "pcre.h" | static const char* IDENT_TABLE_C="$Date$"; |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "pa_sql_connection.h" | #include "pa_sql_connection.h" |
| #include "pa_dir.h" | |
| #include "pa_vbool.h" | #include "pa_vbool.h" |
| // defines | |
| #define TABLE_CLASS_NAME "table" | |
| // class | // class |
| class MTable : public Methoded { | class MTable: public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| Value *create_new_value(Pool& pool) { return new(pool) VTable(pool); } | Value* create_new_value(Pool& apool) { return new VTable(); } |
| public: | public: |
| MTable(Pool& pool); | MTable(); |
| public: // Methoded | public: // Methoded |
| bool used_directly() { return true; } | bool used_directly() { return true; } |
| }; | }; |
| // global variable | |
| DECLARE_CLASS_VAR(table, new MTable, 0); | |
| // defines for globals | |
| #define SQL_LIMIT_NAME "limit" | |
| #define SQL_OFFSET_NAME "offset" | |
| #define SQL_DEFAULT_NAME "default" | |
| #define SQL_DISTINCT_NAME "distinct" | |
| #define TABLE_REVERSE_NAME "reverse" | |
| // globals | |
| String sql_limit_name(SQL_LIMIT_NAME); | |
| String sql_offset_name(SQL_OFFSET_NAME); | |
| String sql_default_name(SQL_DEFAULT_NAME); | |
| String sql_distinct_name(SQL_DISTINCT_NAME); | |
| String table_reverse_name(TABLE_REVERSE_NAME); | |
| // local defines | |
| #define COLUMN_SEPARATOR_NAME "separator" | |
| #define COLUMN_ENCLOSER_NAME "encloser" | |
| // methods | // methods |
| static void _set(Request& r, const String& method_name, MethodParams *params) { | static Table::Action_options get_action_options(Request& r, MethodParams& params, |
| Pool& pool=r.pool(); | const Table& source) { |
| // data is last parameter | Table::Action_options result; |
| Value& vdata=params->as_junction(params->size()-1, "body must be code"); | if(!params.count()) |
| return result; | |
| Value& maybe_options=params.last(); | |
| /* can not do it: | |
| want to enable ^table::create[$source; | |
| # $.option[] | |
| ] | |
| but there is ^table.locate[name;value] | |
| if(maybe_options.is_string()) { // allow empty options | |
| result.defined=true; | |
| return result; | |
| } | |
| */ | |
| HashStringValue* options=maybe_options.get_hash(); | |
| if(!options) | |
| return result; | |
| result.defined=true; | |
| bool defined_offset=false; | |
| int valid_options=0; | |
| if(Value* voffset=options->get(sql_offset_name)) { | |
| valid_options++; | |
| defined_offset=true; | |
| if(voffset->is_string()) { | |
| const String& soffset=*voffset->get_string(); | |
| if(soffset == "cur") | |
| result.offset=source.current(); | |
| else | |
| throw Exception("parser.runtime", | |
| &soffset, | |
| "must be 'cur' string or expression"); | |
| } else | |
| result.offset=r.process_to_value(*voffset).as_int(); | |
| } | |
| if(Value* vlimit=options->get(sql_limit_name)) { | |
| valid_options++; | |
| result.limit=r.process_to_value(*vlimit).as_int(); | |
| } | |
| if(Value *vreverse=(Value *)options->get(table_reverse_name)) { | |
| valid_options++; | |
| result.reverse=r.process_to_value(*vreverse).as_bool(); | |
| if(result.reverse && !defined_offset) | |
| result.offset=source.count()-1; | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "called with invalid option"); | |
| return result; | |
| } | |
| static void check_option_param(bool options_defined, | |
| MethodParams& params, size_t next_param_index, | |
| const char *msg) { | |
| if(next_param_index+(options_defined?1:0) != params.count()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "%s", msg); | |
| } | |
| static void _create(Request& r, MethodParams& params) { | |
| // clone/copy part? | |
| if(Table *source=params[0].get_table()) { | |
| Table::Action_options o=get_action_options(r, params, *source); | |
| check_option_param(o.defined, params, 1, | |
| "too many parameters"); | |
| GET_SELF(r, VTable).set_table(*new Table(*source, o)); | |
| return; | |
| } | |
| Temp_lang temp_lang(r, String::UL_PASS_APPENDED); | // data is last parameter |
| const String& data=r.process(vdata).as_string(); | Temp_lang temp_lang(r, String::L_PASS_APPENDED); |
| const String& data= | |
| r.process_to_string(params.as_junction(params.count()-1, "body must be code")); | |
| size_t pos_after=0; | |
| // parse columns | // parse columns |
| Array *columns; | size_t raw_pos_after=0; |
| if(params->size()==2) { | Table::columns_type columns; |
| columns=0; | if(params.count()==2) { |
| columns=Table::columns_type(0); // nameless | |
| } else { | } else { |
| columns=new(pool) Array(pool); | columns=Table::columns_type(new ArrayString); |
| Array head(pool); | ArrayString head; |
| data.split(head, &pos_after, "\n", 1, String::UL_CLEAN, 1); | data.split(head, raw_pos_after, "\n", String::L_AS_IS, 1); |
| if(head.size()) | if(head.count()) { |
| head.get_string(0)->split(*columns, 0, "\t", 1, String::UL_CLEAN); | size_t col_pos_after=0; |
| head[0]->split(*columns, col_pos_after, "\t", String::L_AS_IS); | |
| } | |
| } | } |
| Table& table=*new(pool) Table(pool, &method_name, columns); | Table& table=*new Table(columns); |
| // parse cells | // parse cells |
| Array rows(pool); | |
| data.split(rows, &pos_after, "\n", 1, String::UL_CLEAN); | ArrayString rows; |
| Array_iter i(rows); | data.split(rows, raw_pos_after, "\n", String::L_AS_IS); |
| Array_iterator<const String*> i(rows); | |
| while(i.has_next()) { | while(i.has_next()) { |
| Array& row=*new(pool) Array(pool); | Table::element_type row(new ArrayString); |
| const String& string=*i.next_string(); | const String& string=*i.next(); |
| // remove empty lines | // remove comment lines |
| if(!string.size()) | if(!string.length()) |
| continue; | continue; |
| string.split(row, 0, "\t", 1, String::UL_CLEAN); | size_t col_pos_after=0; |
| table+=&row; | string.split(*row, col_pos_after, "\t", String::L_AS_IS); |
| table+=row; | |
| } | } |
| // replace any previous table value | // replace any previous table value |
| static_cast<VTable *>(r.self)->set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| static void _load(Request& r, const String& method_name, MethodParams *params) { | static char* remove_encloser(char* cstr, char encloser) { |
| Pool& pool=r.pool(); | if(cstr[0]!=encloser) |
| // filename is last parameter | return cstr; |
| Value& vfilename=params->as_no_junction(params->size()-1, | |
| "file name must not be code"); | |
| // loading text | size_t length=strlen(cstr); |
| char *data=file_read_text(pool, r.absolute(vfilename.as_string())); | if(length<2 || cstr[length-1]!=encloser) |
| return cstr; | |
| // parse columns | // 'string' |
| Array *columns; | |
| #ifndef NO_STRING_ORIGIN | |
| const Origin& origin=method_name.origin(); | |
| const char *file=origin.file; | |
| uint line=origin.line; | |
| #endif | |
| if(params->size()==2) { | |
| columns=0; | |
| } else { | |
| columns=new(pool) Array(pool); | |
| if(char *row_chars=getrow(&data)) | cstr[length-1]=0; |
| do { | cstr++; |
| String *name=new(pool) String(pool); | |
| name->APPEND_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++); | |
| *columns+=name; | |
| } while(row_chars); | |
| } | |
| // parse cells | // double-encloser stands for encloser |
| Table& table=*new(pool) Table(pool, &method_name, columns); | char *read; |
| char *row_chars; | char *write; |
| while(row_chars=getrow(&data)) { | write=read=cstr; |
| if(!*row_chars) // remove empty lines | while(char c=*read++) { |
| continue; | if(c==encloser && *read==encloser) |
| Array *row=new(pool) Array(pool); | read++; |
| while(char *cell_chars=lsplit(&row_chars, '\t')) { | |
| String *cell=new(pool) String(pool); | |
| cell->APPEND_TAINTED(cell_chars, 0, file, line); | |
| *row+=cell; | |
| } | |
| line++; | |
| table+=row; | |
| }; | |
| // replace any previous table value | *write++=c; |
| static_cast<VTable *>(r.self)->set_table(table); | } |
| *write=0; // terminate | |
| return cstr; | |
| } | } |
| static Table *fill_month_days(Request& r, | struct lsplit_result { |
| const String& method_name, MethodParams *params, bool rus){ | char* piece; |
| Pool& pool=r.pool(); | char delim; |
| Table *result=new(pool) Table(pool, &method_name, 0/*&columns*/); | |
| operator bool() { return piece!=0; } | |
| int year=params->as_int(1, r); | }; |
| int month=max(1, min(params->as_int(2, r), 12)) -1; | |
| inline lsplit_result lsplit(char* string, char delim1, char delim2) { | |
| tm tmIn={0, 0, 0, 1, month, year-1900}; | lsplit_result result; |
| time_t t=mktime(&tmIn); | if(string) { |
| if(t<0) | char delims[]={delim1, delim2, 0}; |
| PTHROW(0, 0, | if(char* v=strpbrk(string, delims)) { |
| &method_name, | result.delim=*v; |
| "invalid date"); | *v=0; |
| tm *tmOut=localtime(&t); | result.piece=v+1; |
| return result; | |
| int weekDay1=tmOut->tm_wday; | } |
| if(rus) | |
| weekDay1=weekDay1?weekDay1-1:6; //sunday last | |
| int monthDays=getMonthDays(year, month); | |
| for(int _day=1-weekDay1; _day<=monthDays;) { | |
| Array& row=*new(pool) Array(pool, 7); | |
| for(int wday=0; wday<7; wday++, _day++) { | |
| String *cell=new(pool) String(pool); | |
| if(_day>=1 && _day<=monthDays) { | |
| char *buf=(char *)malloc(2+1); | |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%02d", _day), | |
| method_name.origin().file, method_name.origin().line); | |
| } | |
| row+=cell; | |
| } | |
| *result+=&row; | |
| } | } |
| result.piece=0; | |
| result.delim=0; | |
| return result; | |
| } | |
| inline lsplit_result lsplit(char* *string_ref, char delim1, char delim2) { | |
| lsplit_result result; | |
| result.piece=*string_ref; | |
| lsplit_result next=lsplit(*string_ref, delim1, delim2); | |
| result.delim=next.delim; | |
| *string_ref=next.piece; | |
| return result; | return result; |
| } | } |
| static Table *fill_week_days(Request& r, | static lsplit_result lsplit(char** string_ref, char delim1, char delim2, char encloser) { |
| const String& method_name, MethodParams *params, bool rus){ | lsplit_result result; |
| Pool& pool=r.pool(); | |
| Array& columns=*new(pool) Array(pool, 4); | if(char* string=*string_ref) { |
| columns+=new(pool) String(pool, "year"); | if(encloser && *string==encloser) { |
| columns+=new(pool) String(pool, "month"); | string++; |
| columns+=new(pool) String(pool, "day"); | |
| columns+=new(pool) String(pool, "weekday"); | char *read; |
| Table *result=new(pool) Table(pool, &method_name, &columns); | char *write; |
| write=read=string; | |
| int year=params->as_int(1, r); | char c; |
| int month=max(1, min(params->as_int(2, r), 12)) -1; | while(c=*read++) { |
| int day=params->as_int(3, r); | if(c==encloser) { |
| char n=*read; | |
| tm tmIn={0, 0, 18, day, month, year-1900}; | if(n==encloser) // double-encloser stands for encloser |
| time_t t=mktime(&tmIn); | read++; |
| if(t<0) | else if(n==delim1 || n==delim2) { |
| PTHROW(0, 0, | result.delim=n; |
| &method_name, | read++; |
| "invalid date"); | break; |
| tm *tmOut=localtime(&t); | } |
| } | |
| int baseWeekDay=tmOut->tm_wday; | |
| if(rus) | *write++=c; |
| baseWeekDay=baseWeekDay?baseWeekDay-1:6; //sunday last | } |
| *write=0; // terminate | |
| t-=baseWeekDay*SECS_PER_DAY; | *string_ref=c? read: 0; |
| result.piece=string; | |
| for(int curWeekDay=0; curWeekDay<7; curWeekDay++, t+=SECS_PER_DAY) { | return result; |
| tm *tmOut=localtime(&t); | } else |
| Array& row=*new(pool) Array(pool, 4); | return lsplit(string_ref, delim1, delim2); |
| #define WDFILL(size, value) { \ | |
| char *buf=(char *)malloc(size+1); \ | |
| String *cell=new(pool) String(pool); \ | |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%0"#size"d", value), \ | |
| method_name.origin().file, \ | |
| method_name.origin().line); \ | |
| row+=cell; \ | |
| } | |
| WDFILL(4, 1900+tmOut->tm_year); | |
| WDFILL(2, 1+tmOut->tm_mon); | |
| WDFILL(2, tmOut->tm_mday); | |
| WDFILL(2, tmOut->tm_wday); | |
| *result+=&row; | |
| } | } |
| result.piece=0; | |
| return result; | return result; |
| } | } |
| static void _calendar(Request& r, const String& method_name, MethodParams *params) { | static void skip_empty_and_comment_lines( char** data_ref ) { |
| Pool& pool=r.pool(); | if(char *data=*data_ref) { |
| while( char c=*data ) { | |
| if( c== '\n' || c == '#' ) { | |
| /*nowhere=*/getrow(&data); // remove empty&comment lines | |
| *data_ref=data; | |
| continue; | |
| } | |
| break; | |
| } | |
| } | |
| } | |
| struct TableSeparators { | |
| char column; | |
| char encloser; | |
| const String* sencloser; | |
| TableSeparators() { | |
| column='\t'; | |
| encloser=0; | |
| } | |
| void load( HashStringValue& options ) { | |
| if(Value* vseparator=options.get(COLUMN_SEPARATOR_NAME)) { | |
| options.remove(COLUMN_SEPARATOR_NAME); | |
| const String& sseparator=vseparator->as_string(); | |
| if(sseparator.length()!=1) | |
| throw Exception("parser.runtime", | |
| &sseparator, | |
| "separator must be one character long"); | |
| column=sseparator.first_char(); | |
| } | |
| if(Value* vencloser=options.get(COLUMN_ENCLOSER_NAME)) { | |
| options.remove(COLUMN_ENCLOSER_NAME); | |
| sencloser=&vencloser->as_string(); | |
| if(sencloser->length()!=1) | |
| throw Exception("parser.runtime", | |
| sencloser, | |
| "encloser must be one character long"); | |
| encloser=sencloser->first_char(); | |
| } | |
| } | |
| }; | |
| const String& what=params->as_string(0, "format must be strig"); | static void _load(Request& r, MethodParams& params) { |
| bool rus=false; | const String& first_param=params.as_string(0, "file name must be string"); |
| if(what=="rus") | int filename_param_index=0; |
| rus=true; | bool nameless=first_param=="nameless"; |
| else if(what=="eng") | if(nameless) |
| rus=false; | filename_param_index++; |
| else | size_t options_param_index=filename_param_index+1; |
| PTHROW(0, 0, | |
| &what, | HashStringValue *options=0; |
| "must be rus|eng"); | TableSeparators separators; |
| if(options_param_index<params.count() | |
| Table *result=0; | && (options=params.as_no_junction(options_param_index, "additional params must be hash").get_hash())) { |
| if(params->size()==1+2) | // cloning, so that we could change [to simplify checks on params inside file_read_text |
| result=fill_month_days(r, method_name, params, rus); | options=new HashStringValue(*options); |
| else // 1+3 | separators.load(*options); |
| result=fill_week_days(r, method_name, params, rus); | } |
| // loading text | |
| char *data=file_read_text(r.charsets, | |
| r.absolute(params.as_string(filename_param_index, "file name must be string")), | |
| true, | |
| options | |
| ); | |
| // parse columns | |
| Table::columns_type columns; | |
| if(nameless) { | |
| columns=Table::columns_type(0); // nameless | |
| } else { | |
| columns=Table::columns_type(new ArrayString); | |
| skip_empty_and_comment_lines(&data); | |
| while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { | |
| *columns+=new String(sr.piece, 0, true); | |
| if(sr.delim=='\n') | |
| break; | |
| } | |
| } | |
| Table& table=*new Table(columns); | |
| // parse cells | |
| Table::element_type row(new ArrayString); | |
| skip_empty_and_comment_lines(&data); | |
| while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { | |
| if(!sr.delim && !row->count()) // append last empty column [if without \n] | |
| break; | |
| *row+=new String(sr.piece, 0, true); | |
| if(sr.delim=='\n') { | |
| table+=row; | |
| row=new ArrayString; | |
| skip_empty_and_comment_lines(&data); | |
| } | |
| } | |
| // last line [if without \n] | |
| if(row->count()) | |
| table+=row; | |
| // replace any previous table value | // replace any previous table value |
| static_cast<VTable *>(r.self)->set_table(*result); | GET_SELF(r, VTable).set_table(table); |
| } | |
| static void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { | |
| if(encloser) { | |
| to<<*sencloser; | |
| // while we have 'encloser'... | |
| size_t pos_after=0; | |
| for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before+1) { | |
| to<<from.mid(pos_before+1/*+found encloser*/, pos_after-pos_before); | |
| to<<*sencloser; // doubling encloser | |
| } | |
| // last piece | |
| size_t from_length=from.length(); | |
| if(pos_after<from_length) | |
| to<<from.mid(pos_after, from_length); | |
| to<<*sencloser; | |
| } else | |
| to.append(from, String::L_TABLE); | |
| } | } |
| static void _save(Request& r, MethodParams& params) { | |
| const String& first_arg=params.as_string(0, "first argument must not be code"); | |
| size_t param_index=1; | |
| bool do_append=false; | |
| bool output_column_names=true; | |
| static void _save(Request& r, const String& method_name, MethodParams *params) { | // mode? |
| Pool& pool=r.pool(); | if(first_arg=="append") |
| Value& vtable_name=params->as_no_junction(params->size()-1, | do_append=true; |
| "file name must not be code"); | else if(first_arg=="nameless") |
| output_column_names=false; | |
| else | |
| --param_index; | |
| Table& table=static_cast<VTable *>(r.self)->table(); | const String& file_name=params.as_string(param_index++, "file name must not be code"); |
| String sdata(pool); | TableSeparators separators; |
| if(params->size()==1) { // not nameless=named output | if(param_index<params.count()) { |
| // write out names line | if(HashStringValue *options=params.as_no_junction(param_index++, "additional params must be hash").get_hash()) { |
| separators.load(*options); | |
| if(options->count()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "invalid option passed"); | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "additional params must be hash (did you spell mode parameter correctly?)"); | |
| } | |
| if(param_index<params.count()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "bad mode (must be nameless or append)"); | |
| Table& table=GET_SELF(r, VTable).table(); | |
| String sdata; | |
| if(output_column_names) { | |
| if(table.columns()) { // named table | if(table.columns()) { // named table |
| Array_iter i(*table.columns()); | for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { |
| while(i.has_next()) { | maybe_enclose( sdata, *i.next(), separators.encloser, separators.sencloser ); |
| sdata.append(*i.next_string(), //*static_cast<String *>(table.columns()->quick_get(column)), | |
| String::UL_TABLE); | |
| if(i.has_next()) | if(i.has_next()) |
| sdata.APPEND_CONST("\t"); | sdata.append_know_length("\t", 1, String::L_CLEAN); |
| } | } |
| } else { // nameless table | } else { // nameless table [we were asked to output column names] |
| if(int lsize=table.size()?static_cast<Array *>(table.get(0))->size():0) | if(int lsize=table.count()?table[0]->count():0) |
| for(int column=0; column<lsize; column++) { | for(int column=0; column<lsize; column++) { |
| char *cindex_tab=(char *)malloc(MAX_NUMBER); | char *cindex_tab=new(PointerFreeGC) char[MAX_NUMBER]; |
| snprintf(cindex_tab, MAX_NUMBER, "%d\t", column); | sdata.append_know_length(cindex_tab, |
| sdata.APPEND_CONST(cindex_tab); | snprintf(cindex_tab, MAX_NUMBER, |
| column<lsize-1?"%d\t":"%d", column), | |
| String::L_CLEAN); | |
| } | } |
| else | else |
| sdata.APPEND_CONST("empty nameless table"); | sdata.append_help_length("empty nameless table", 0, String::L_CLEAN); |
| } | } |
| sdata.APPEND_CONST("\n"); | sdata.append_know_length("\n", 1, String::L_CLEAN); |
| } | } |
| // data lines | // data lines |
| Array_iter i(table); | Array_iterator<ArrayString*> i(table); |
| while(i.has_next()) { | while(i.has_next()) { |
| Array_iter c(*static_cast<Array *>(i.next())); | for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { |
| while(c.has_next()) { | maybe_enclose( sdata, *c.next(), separators.encloser, separators.sencloser ); |
| sdata.append(*c.next_string(), //*static_cast<String *>(row->quick_get(column)), | |
| String::UL_TABLE); | |
| if(c.has_next()) | if(c.has_next()) |
| sdata.APPEND_CONST("\t"); | sdata.append_know_length("\t", 1, String::L_CLEAN); |
| } | } |
| sdata.APPEND_CONST("\n"); | sdata.append_know_length("\n", 1, String::L_CLEAN); |
| } | } |
| // write | // write |
| file_write(pool, r.absolute(vtable_name.as_string()), | file_write(r.absolute(file_name), |
| sdata.cstr(), sdata.size(), true); | sdata.cstr(), sdata.length(), true, do_append); |
| } | } |
| static void _count(Request& r, const String& method_name, MethodParams *) { | static void _count(Request& r, MethodParams&) { |
| Pool& pool=r.pool(); | int result=GET_SELF(r, VTable).table().count(); |
| Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size()); | r.write_no_lang(*new VInt(result)); |
| value.set_name(method_name); | } |
| r.write_no_lang(value); | |
| } | static void _line(Request& r, MethodParams&) { |
| int result=1+GET_SELF(r, VTable).table().current(); | |
| static void _line(Request& r, const String& method_name, MethodParams *) { | r.write_no_lang(*new VInt(result)); |
| Pool& pool=r.pool(); | } |
| Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().current()); | |
| value.set_name(method_name); | static void _offset(Request& r, MethodParams& params) { |
| r.write_no_lang(value); | Table& table=GET_SELF(r, VTable).table(); |
| } | if(params.count()) { |
| bool absolute=false; | |
| static void _offset(Request& r, const String& method_name, MethodParams *params) { | if(params.count()>1) { |
| Pool& pool=r.pool(); | const String& whence=params.as_string(0, "whence must be string"); |
| Table& table=static_cast<VTable *>(r.self)->table(); | if(whence=="cur") |
| if(params->size()) { | absolute=false; |
| Value& offset_expr=params->as_junction(0, "offset must be expression"); | else if(whence=="set") |
| table.shift(r.process(offset_expr).as_int()); | absolute=true; |
| } else { | else |
| Value& value=*new(pool) VInt(pool, table.current()); | throw Exception("parser.runtime", |
| value.set_name(method_name); | &whence, |
| r.write_no_lang(value); | "is invalid whence, valid are 'cur' or 'set'"); |
| } | } |
| Value& offset_expr=params.as_junction(params.count()-1, "offset must be expression"); | |
| table.offset(absolute, r.process_to_value(offset_expr).as_int()); | |
| } else | |
| r.write_no_lang(*new VInt(table.current())); | |
| } | } |
| static void _menu(Request& r, const String& method_name, MethodParams *params) { | static void _menu(Request& r, MethodParams& params) { |
| Value& body_code=params->as_junction(0, "body must be code"); | Value& body_code=params.as_junction(0, "body must be code"); |
| Value *delim_code=params->size()==2?¶ms->get(1):0; | Value* delim_maybe_code=params.count()>1?¶ms[1]:0; |
| VTable& vtable=*static_cast<VTable *>(r.self); | Table& table=GET_SELF(r, VTable).table(); |
| Table& table=vtable.table(); | |
| bool need_delim=false; | bool need_delim=false; |
| int saved_current=table.current(); | int saved_current=table.current(); |
| int size=table.size(); | int size=table.count(); |
| for(int row=0; row<size; row++) { | for(int row=0; row<size; row++) { |
| table.set_current(row); | table.set_current(row); |
| Value& processed_body=r.process(body_code); | StringOrValue sv_processed=r.process(body_code); |
| if(delim_code) { // delimiter set? | const String* s_processed=sv_processed.get_string(); |
| const String *string=processed_body.get_string(); | if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body |
| if(need_delim && string && string->size()) // need delim & iteration produced string? | if(need_delim) // need delim & iteration produced string? |
| r.write_pass_lang(r.process(*delim_code)); | r.write_pass_lang(r.process(*delim_maybe_code)); |
| need_delim=true; | need_delim=true; |
| } | } |
| r.write_pass_lang(processed_body); | r.write_pass_lang(sv_processed); |
| } | } |
| table.set_current(saved_current); | table.set_current(saved_current); |
| } | } |
| static void _empty(Request& r, const String& method_name, MethodParams *params) { | #ifndef DOXYGEN |
| Pool& pool=r.pool(); | enum Table2hash_distint { D_ILLEGAL, D_FIRST, D_TABLES }; |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| r.write_no_lang(*new(pool) VBool(pool, table.size()==0)); | |
| } | |
| /// used by table: _hash / table_row_to_hash | |
| struct Row_info { | struct Row_info { |
| Request *r; | |
| Table *table; | Table *table; |
| int key_field; | Value* key_code; |
| Array *value_fields; | size_t key_field; |
| Hash *hash; | Array<int>* value_fields; |
| HashStringValue* hash; | |
| Table2hash_distint distinct; | |
| size_t row; | |
| }; | }; |
| static void table_row_to_hash(Array::Item *value, void *info) { | #endif |
| Array& row=*static_cast<Array *>(value); | static void table_row_to_hash(Table::element_type row, Row_info *info) { |
| Row_info& ri=*static_cast<Row_info *>(info); | const String* key; |
| Pool& pool=ri.table->pool(); | if(info->key_code) { |
| info->table->set_current(info->row++); // change context row | |
| if(ri.key_field<row.size()) { | StringOrValue sv_processed=info->r->process(*info->key_code); |
| VHash& result=*new(pool) VHash(pool); | key=&sv_processed.as_string(); |
| Hash& hash=*result.get_hash(); | } else |
| for(int i=0; i<ri.value_fields->size(); i++) { | key=info->key_field<row->count()?row->get(info->key_field):0; |
| int value_field=ri.value_fields->get_int(i); | |
| if(value_field<row.size()) | if(!key) |
| hash.put( | return; // ignore rows without key [too-short-record_array if-indexed] |
| *ri.table->columns()->get_string(value_field), | |
| new(pool) VString(*row.get_string(value_field))); | |
| } | |
| ri.hash->put(*row.get_string(ri.key_field), &result); | switch(info->distinct) { |
| case D_ILLEGAL: case D_FIRST: | |
| { | |
| VHash* vhash=new VHash; | |
| HashStringValue& hash=vhash->hash(); | |
| for(Array_iterator<int> i(*info->value_fields); i.has_next(); ) { | |
| size_t value_field=i.next(); | |
| if(value_field<row->count()) | |
| hash.put( | |
| *info->table->columns()->get(value_field), | |
| new VString(*row->get(value_field))); | |
| } | |
| if(info->hash->put_dont_replace(*key, vhash)) // put. existed? | |
| if(info->distinct==D_ILLEGAL) | |
| throw Exception("parser.runtime", | |
| key, | |
| "duplicate key"); | |
| } | |
| break; | |
| case D_TABLES: | |
| { | |
| VTable* vtable=(VTable*)info->hash->get(*key); // put. table existed? | |
| Table* table; | |
| if(vtable) | |
| table=vtable->get_table(); | |
| else { | |
| // no? creating table of same structure as source | |
| Table::Action_options table_options(0, 0); | |
| table=new Table(*info->table, table_options/*no rows, just structure*/); | |
| info->hash->put(*key, new VTable(table)); | |
| } | |
| *table+=row; | |
| } | |
| break; | |
| default: | |
| throw Exception(0, | |
| 0, | |
| "invalid distinct code (#%d)", info->distinct); | |
| } | } |
| } | } |
| static void _hash(Request& r, const String& method_name, MethodParams *params) { | static void _hash(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Table& self_table=GET_SELF(r, VTable).table(); |
| Table& table=static_cast<VTable *>(r.self)->table(); | VHash& result=*new VHash; |
| Value& result=*new(pool) VHash(pool); | if(Table::columns_type columns=self_table.columns()) |
| if(const Array *columns=table.columns()) | if(columns->count()>0) { |
| if(columns->size()>1) { | Table2hash_distint distinct=D_ILLEGAL; |
| int param_index=params.count()-1; | |
| const String& key_field_name=params->as_no_junction(0, | if(param_index>0) { |
| "key field name must not be code").as_string(); | if(HashStringValue* options= |
| int key_field=table.column_name2index(key_field_name, true); | params.as_no_junction(param_index, "param must not be code").get_hash()) { |
| int value_fields_count=params->size()-1; | --param_index; |
| bool value_fields_by_params=value_fields_count!=0; | int valid_options=0; |
| if(!value_fields_by_params) | if(Value* vdistinct_code=options->get(sql_distinct_name)) { |
| value_fields_count=columns->size()-1; // all columns except key | valid_options++; |
| Array value_fields(pool, value_fields_count); | Value& vdistinct_value=r.process_to_value(*vdistinct_code); |
| if(value_fields_by_params) { | if(vdistinct_value.is_string()) { |
| for(int i=1; i<params->size(); i++) { | const String& sdistinct=*vdistinct_value.get_string(); |
| const String& value_field_name=params->as_no_junction(i, | if(sdistinct=="tables") |
| "value field name must not be code").as_string(); | distinct=D_TABLES; |
| value_fields+=table.column_name2index(value_field_name, true); | else |
| throw Exception("parser.runtime", | |
| &sdistinct, | |
| "must be 'tables' or true/false"); | |
| } else | |
| distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL; | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "called with invalid option"); | |
| } | } |
| } else { // by all columns except key | } |
| for(int i=0; i<columns->size(); i++) | if(param_index==2) // bad options param type |
| if(i!=key_field) | throw Exception("parser.runtime", |
| 0, | |
| "options must be hash"); | |
| Array<int> value_fields; | |
| if(param_index>0) { | |
| if(distinct!=D_ILLEGAL && distinct!=D_FIRST) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "in distinct[tables] mode you may not specify value field(s)"); | |
| Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); | |
| if(value_fields_param.is_string()) { | |
| value_fields+=self_table.column_name2index( | |
| *value_fields_param.get_string(), true); | |
| } else if(Table* value_fields_table=value_fields_param.get_table()) { | |
| for(Array_iterator<Table::element_type> i(*value_fields_table); | |
| i.has_next(); ) { | |
| const String& value_field_name | |
| =*i.next()->get(0); | |
| value_fields | |
| +=self_table.column_name2index(value_field_name, true); | |
| } | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "value field(s) must be string or self_table" | |
| ); | |
| } else { // by all columns, including key | |
| if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST)) | |
| for(size_t i=0; i<columns->count(); i++) | |
| value_fields+=i; | value_fields+=i; |
| } | } |
| // integers: key_field & value_fields | |
| Row_info row_info={&table, key_field, &value_fields, result.get_hash()}; | { |
| table.for_each(table_row_to_hash, &row_info); | Row_info info={0}; |
| info.r=&r; | |
| info.table=&self_table; | |
| Value* key_param=¶ms[0]; | |
| info.key_code=key_param->get_junction()?key_param:0; | |
| info.key_field=info.key_code?-1 | |
| :self_table.column_name2index(key_param->as_string(), true); | |
| info.value_fields=&value_fields; | |
| info.hash=&result.hash(); | |
| info.distinct=distinct; | |
| info.row=0; | |
| int saved_current=self_table.current(); | |
| self_table.for_each(table_row_to_hash, &info); | |
| self_table.set_current(saved_current); | |
| } | |
| } | } |
| result.set_name(method_name); | |
| r.write_no_lang(result); | r.write_no_lang(result); |
| } | } |
| /// used by table: _sort / sort_cmp_string|sort_cmp_double | #ifndef DOXYGEN |
| struct Table_seq_item { | struct Table_seq_item { |
| Array *row; | ArrayString* row; |
| union { | union { |
| char *c_str; | const char *c_str; |
| double d; | double d; |
| } value; | } value; |
| }; | }; |
| #endif | |
| static int sort_cmp_string(const void *a, const void *b) { | static int sort_cmp_string(const void *a, const void *b) { |
| return strcmp( | return strcmp( |
| static_cast<const Table_seq_item *>(a)->value.c_str, | static_cast<const Table_seq_item *>(a)->value.c_str, |
| Line 436 static int sort_cmp_double(const void *a | Line 712 static int sort_cmp_double(const void *a |
| else | else |
| return 0; | return 0; |
| } | } |
| static void _sort(Request& r, const String& method_name, MethodParams *params) { | static void _sort(Request& r, MethodParams& params) { |
| Value& key_maker=params->as_junction(0, "key-maker must be code"); | Value& key_maker=params.as_junction(0, "key-maker must be code"); |
| bool reverse=params->size()==2/*..[asc|desc]*/? | |
| reverse=params->as_no_junction(1, "order must not be code").as_string()=="desc": | |
| false; | |
| Table& table=static_cast<VTable *>(r.self)->table(); | bool reverse=params.count()>1/*..[desc|asc|]*/? |
| reverse=params.as_no_junction(1, "order must not be code").as_string()=="desc": | |
| false; // default=asc | |
| // anything to sort? | Table& old_table=GET_SELF(r, VTable).table(); |
| if(!table.size()) | Table& new_table=*new Table(old_table.columns()); |
| return; | |
| Table_seq_item *seq=(Table_seq_item *)malloc(sizeof(Table_seq_item)*table.size()); | Table_seq_item* seq=new(PointerFreeGC) Table_seq_item[old_table.count()]; |
| int i; | int i; |
| // calculate key values | // calculate key values |
| bool key_values_are_strings=true; | bool key_values_are_strings=true; |
| for(i=0; i<table.size(); i++) { | int old_count=old_table.count(); |
| table.set_current(i); | for(i=0; i<old_count; i++) { |
| old_table.set_current(i); | |
| // calculate key value | // calculate key value |
| seq[i].row=(MethodParams *)table.get(i); | seq[i].row=old_table[i]; |
| Value& value=*r.process(key_maker).as_expr_result(true/*return string as-is*/); | Value& value=r.process_to_value(key_maker).as_expr_result(true/*return string as-is*/); |
| if(i==0) // determining key values type by first one | if(i==0) // determining key values type by first one |
| key_values_are_strings=value.is_string(); | key_values_are_strings=value.is_string(); |
| Line 468 static void _sort(Request& r, const Stri | Line 742 static void _sort(Request& r, const Stri |
| seq[i].value.d=value.as_double(); | seq[i].value.d=value.as_double(); |
| } | } |
| // sort keys | // sort keys |
| _qsort(seq, table.size(), sizeof(Table_seq_item), | _qsort(seq, old_count, sizeof(Table_seq_item), |
| key_values_are_strings?sort_cmp_string:sort_cmp_double); | key_values_are_strings?sort_cmp_string:sort_cmp_double); |
| // reorder table as they require in 'seq' | // reorder table as they require in 'seq' |
| for(i=0; i<table.size(); i++) | for(i=0; i<old_count; i++) |
| table.put(i, seq[reverse?table.size()-1-i:i].row); | new_table+=Table::element_type(seq[reverse?old_count-1-i:i].row); |
| // reset 'current' | delete[] seq; |
| table.set_current(0); | |
| // replace any previous table value | |
| GET_SELF(r, VTable).set_table(new_table); | |
| } | } |
| static void _locate(Request& r, const String& method_name, MethodParams *params) { | #ifndef DOXYGEN |
| Pool& pool=r.pool(); | struct Expression_is_true_info { |
| Request* r; | |
| VTable& vtable=*static_cast<VTable *>(r.self); | Value* expression_code; |
| Table& table=vtable.table(); | }; |
| Value& result=*new(pool) VBool(pool, table.locate( | #endif |
| params->get(0).as_string(), | static bool expression_is_true(Table& self, void* ainfo) { |
| params->get(1).as_string())); | Expression_is_true_info& info=*static_cast<Expression_is_true_info*>(ainfo); |
| result.set_name(method_name); | return info.r->process_to_value(*info.expression_code).as_bool(); |
| r.write_no_lang(result); | } |
| static bool _locate_expression(Table& table, Table::Action_options o, | |
| Request& r, MethodParams& params) { | |
| check_option_param(o.defined, params, 1, | |
| "locate by expression only has parameters: expression and, maybe, options"); | |
| Value& expression_code=params.as_junction(0, "must be expression"); | |
| Expression_is_true_info info={&r, &expression_code}; | |
| return table.table_first_that(expression_is_true, &info, o); | |
| } | |
| static bool _locate_name_value(Table& table, Table::Action_options o, | |
| Request& r, MethodParams& params) { | |
| check_option_param(o.defined, params, 2, | |
| "locate by locate by name has parameters: name, value and, maybe, options"); | |
| const String& name=params.as_string(0, "column name must be string"); | |
| const String& value=params.as_string(1, "value must be string"); | |
| return table.locate(name, value, o); | |
| } | |
| static void _locate(Request& r, MethodParams& params) { | |
| Table& table=GET_SELF(r, VTable).table(); | |
| Table::Action_options o=get_action_options(r, params, table); | |
| bool result=params[0].get_junction()? | |
| _locate_expression(table, o, r, params) : | |
| _locate_name_value(table, o, r, params); | |
| r.write_no_lang(*new VBool(result)); | |
| } | } |
| static void _flip(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | static void _flip(Request& r, MethodParams& params) { |
| VTable& vtable=*static_cast<VTable *>(r.self); | Table& old_table=GET_SELF(r, VTable).table(); |
| Table& new_table=*new Table(0); | |
| Table& old_table=*vtable.get_table(); | if(size_t old_count=old_table.count()) |
| Table& new_table=*new(pool) Table(pool, &method_name, 0/*nameless*/); | if(size_t old_cols=old_table[0]->count()) |
| if(old_table.size()) | for(size_t column=0; column<old_cols; column++) { |
| if(int old_cols=old_table.at(0).size()) | Table::element_type new_row(new ArrayString(old_count)); |
| for(int column=0; column<old_cols; column++) { | for(size_t i=0; i<old_count; i++) { |
| Array& new_row=*new(pool) Array(pool, old_table.size()); | Table::element_type old_row=old_table[i]; |
| for(int i=0; i<old_table.size(); i++) { | *new_row+=column<old_row->count()?old_row->get(column):new String; |
| const Array& old_row=old_table.at(i); | |
| new_row+=column<old_row.size()?old_row.get(column):empty_string; | |
| } | } |
| new_table+=&new_row; | new_table+=new_row; |
| } | } |
| r.write_no_lang(*new(pool) VTable(pool, &new_table)); | r.write_no_lang(*new VTable(&new_table)); |
| } | } |
| static void _append(Request& r, const String& method_name, MethodParams *params) { | static void _append(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | // data |
| // data is last parameter | Temp_lang temp_lang(r, String::L_PASS_APPENDED); |
| const String& string= | const String& string=r.process_to_string(params.as_junction(0, "body must be code")); |
| r.process(params->as_junction(0, "body must be code")).as_string(); | |
| // parse cells | // parse cells |
| Array& row=*new(pool) Array(pool); | Table::element_type row=new ArrayString; |
| string.split(row, 0, "\t", 1, String::UL_CLEAN); | size_t pos_after=0; |
| string.split(*row, pos_after, "\t", String::L_AS_IS); | |
| VTable& vtable=*static_cast<VTable *>(r.self); | GET_SELF(r, VTable).table()+=row; |
| vtable.table()+=&row; | |
| } | } |
| static void _join(Request& r, const String& method_name, MethodParams *params) { | static void join_named_row(Table& src, Table* dest) { |
| Pool& pool=r.pool(); | Table::columns_type dest_columns=dest->columns(); |
| size_t dest_columns_count=dest_columns->count(); | |
| Table *maybe_src=params->as_no_junction(0, "table ref must not be code").get_table(); | Table::element_type dest_row(new ArrayString(dest_columns_count)); |
| for(size_t dest_column=0; dest_column<dest_columns_count; dest_column++) { | |
| const String* src_item=src.item(*dest_columns->get(dest_column)); | |
| *dest_row+=src_item?src_item:new String; | |
| } | |
| *dest+=dest_row; | |
| } | |
| static void join_nameless_row(Table& src, Table* dest) { | |
| *dest+=src[src.current()]; | |
| } | |
| static void _join(Request& r, MethodParams& params) { | |
| Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table(); | |
| if(!maybe_src) | if(!maybe_src) |
| PTHROW(0, 0, | throw Exception("parser.runtime", |
| &method_name, | 0, |
| "source is not a table"); | "source is not a table"); |
| Table& src=*maybe_src; | Table& src=*maybe_src; |
| Table& dest=static_cast<VTable *>(r.self)->table(); | |
| Table::Action_options o=get_action_options(r, params, src); | |
| check_option_param(o.defined, params, 1, | |
| "invalid extra parameter"); | |
| Table& dest=GET_SELF(r, VTable).table(); | |
| if(&src == &dest) | if(&src == &dest) |
| PTHROW(0, 0, | throw Exception("parser.runtime", |
| &method_name, | 0, |
| "source and destination are same table"); | "source and destination are same table"); |
| if(const Array *dest_columns=dest.columns()) { // dest is named | if(Table::columns_type dest_columns=dest.columns()) // dest is named |
| int saved_src_current=src.current(); | src.table_for_each(join_named_row, &dest, o); |
| for(int src_row=0; src_row<src.size(); src_row++) { | else // dest is nameless |
| src.set_current(src_row); | src.table_for_each(join_nameless_row, &dest, o); |
| Array& dest_row=*new(pool) Array(pool); | |
| for(int dest_column=0; dest_column<dest_columns->size(); dest_column++) | |
| dest_row+=src.item(*dest_columns->get_string(dest_column)); | |
| dest+=&dest_row; | |
| } | |
| src.set_current(saved_src_current); | |
| } else { // dest is nameless | |
| for(int src_row=0; src_row<src.size(); src_row++) | |
| dest+=&src.at(src_row); | |
| } | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| class Table_sql_event_handlers : public SQL_Driver_query_event_handlers { | class Table_sql_event_handlers: public SQL_Driver_query_event_handlers { |
| ArrayString& columns; | |
| ArrayString* row; | |
| public: | public: |
| Table_sql_event_handlers(Pool& apool, const String& amethod_name, | Table* table; |
| const String& astatement_string, const char *astatement_cstr) : | |
| pool(apool), | |
| method_name(amethod_name), | |
| statement_string(astatement_string), | |
| statement_cstr(astatement_cstr), | |
| columns(*new(pool) Array(pool)), | |
| row(0), row_index(0), | |
| table(0) | |
| { | |
| } | |
| void add_column(void *ptr, size_t size) { | |
| String *column=new(pool) String(pool); | |
| column->APPEND_TAINTED( | |
| (const char *)ptr, size, | |
| statement_cstr, 0); | |
| columns+=column; | |
| } | |
| void before_rows() { | |
| table=new(pool) Table(pool, &method_name, &columns); | |
| } | |
| void add_row() { | |
| (*table)+=(row=new(pool) Array(pool)); | |
| } | |
| void add_row_cell(void *ptr, size_t size) { | |
| String *cell=new(pool) String(pool); | |
| if(size) | |
| cell->APPEND_TAINTED( | |
| (const char *)ptr, size, | |
| statement_cstr, row_index++); | |
| (*row)+=cell; | |
| } | |
| private: | |
| Pool& pool; | |
| const String& method_name; | |
| const String& statement_string; const char *statement_cstr; | |
| Array& columns; | |
| Array *row; | |
| uint row_index; | |
| public: | public: |
| Table *table; | Table_sql_event_handlers() : |
| columns(*new ArrayString), row(0), table(0) { | |
| } | |
| bool add_column(SQL_Error& error, const char *str, size_t length) { | |
| try { | |
| columns+=new String(str, length, true); | |
| return false; | |
| } catch(...) { | |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_column"); | |
| return true; | |
| } | |
| } | |
| bool before_rows(SQL_Error& error) { | |
| try { | |
| table=new Table(&columns); | |
| return false; | |
| } catch(...) { | |
| error=SQL_Error("exception occured in Table_sql_event_handlers::before_rows"); | |
| return true; | |
| } | |
| } | |
| bool add_row(SQL_Error& error) { | |
| try { | |
| *table+=row=new ArrayString; | |
| return false; | |
| } catch(...) { | |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_row"); | |
| return true; | |
| } | |
| } | |
| bool add_row_cell(SQL_Error& error, const char* str, size_t length) { | |
| try { | |
| String& cell=*new String; | |
| if(length) | |
| cell.append_know_length(str, length, String::L_TAINTED); | |
| *row+=&cell; | |
| return false; | |
| } catch(...) { | |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_row_cell"); | |
| return true; | |
| } | |
| } | |
| }; | }; |
| #endif | #endif |
| static void _sql(Request& r, const String& method_name, MethodParams *params) { | static void _sql(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Value& statement=params.as_junction(0, "statement must be code"); |
| if(!r.connection) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "without connect"); | |
| Value& statement=params->as_junction(0, "statement must be code"); | |
| ulong limit=0; | ulong limit=0; |
| ulong offset=0; | ulong offset=0; |
| if(params->size()>1) { | if(params.count()>1) { |
| Value& options_param=params->as_no_junction(1, "options must be hash, not code"); | Value& voptions=params.as_no_junction(1, "options must be hash, not code"); |
| if(Hash *options=options_param.get_hash()) { | if(!voptions.is_string()) |
| if(Value *vlimit=(Value *)options->get(*sql_limit_name)) | if(HashStringValue* options=voptions.get_hash()) { |
| limit=(ulong)r.process(*vlimit).as_double(); | int valid_options=0; |
| if(Value *voffset=(Value *)options->get(*sql_offset_name)) | if(Value* vlimit=options->get(sql_limit_name)) { |
| offset=(ulong)r.process(*voffset).as_double(); | valid_options++; |
| } else | limit=(ulong)r.process_to_value(*vlimit).as_double(); |
| PTHROW(0, 0, | } |
| &method_name, | if(Value* voffset=options->get(sql_offset_name)) { |
| "options must be hash"); | valid_options++; |
| } | offset=(ulong)r.process_to_value(*voffset).as_double(); |
| } | |
| Temp_lang temp_lang(r, String::UL_SQL); | if(valid_options!=options->count()) |
| const String& statement_string=r.process(statement).as_string(); | throw Exception("parser.runtime", |
| const char *statement_cstr= | 0, |
| statement_string.cstr(String::UL_UNSPECIFIED, r.connection); | "called with invalid option"); |
| Table_sql_event_handlers handlers(pool, method_name, | } else |
| statement_string, statement_cstr); | throw Exception("parser.runtime", |
| bool need_rethrow=false; Exception rethrow_me; | 0, |
| PTRY { | "options must be hash"); |
| r.connection->query( | } |
| statement_cstr, offset, limit, | |
| handlers); | Temp_lang temp_lang(r, String::L_SQL); |
| } | const String& statement_string=r.process_to_string(statement); |
| PCATCH(e) { // query problem | const char* statement_cstr= |
| rethrow_me=e; need_rethrow=true; | statement_string.cstr(String::L_UNSPECIFIED, r.connection()); |
| } | Table_sql_event_handlers handlers; |
| PEND_CATCH | #ifdef RESOURCES_DEBUG |
| if(need_rethrow) | struct timeval mt[2]; |
| PTHROW(rethrow_me.type(), rethrow_me.code(), | //measure:before |
| &statement_string, // setting more specific source [were url] | gettimeofday(&mt[0],NULL); |
| rethrow_me.comment()); | #endif |
| r.connection()->query( | |
| Table *result= | statement_cstr, offset, limit, |
| handlers.table?handlers.table: // query resulted in table? return it | handlers, |
| new(pool) Table(pool, &method_name, 0); // query returned no table, fake it | statement_string); |
| #ifdef RESOURCES_DEBUG | |
| //measure:after connect | |
| gettimeofday(&mt[1],NULL); | |
| double t[2]; | |
| for(int i=0;i<2;i++) | |
| t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0; | |
| r.sql_request_time+=t[1]-t[0]; | |
| #endif | |
| Table& result= | |
| handlers.table?*handlers.table: // query resulted in table? return it | |
| *new Table(Table::columns_type(0)); // query returned no table, fake it | |
| // replace any previous table value | // replace any previous table value |
| static_cast<VTable *>(r.self)->set_table(*result); | GET_SELF(r, VTable).set_table(result); |
| } | } |
| static void _dir(Request& r, const String& method_name, MethodParams *params) { | static void _columns(Request& r, MethodParams&) { |
| Pool& pool=r.pool(); | |
| Value& relative_path=params->as_no_junction(0, "path must not be code"); | Table::columns_type result_columns(new ArrayString); |
| *result_columns+=new String("column"); | |
| Table& result_table=*new Table(result_columns); | |
| const String *regexp; | Table& source_table=GET_SELF(r, VTable).table(); |
| pcre *regexp_code; | if(Table::columns_type source_columns=source_table.columns()) { |
| int ovecsize; | for(Array_iterator<const String*> i(*source_columns); i.has_next(); ) { |
| int *ovector; | Table::element_type result_row(new ArrayString); |
| if(params->size()>1) { | *result_row+=i.next(); |
| regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string(); | result_table+=result_row; |
| const char *pattern=regexp->cstr(String::UL_AS_IS); | |
| const char *errptr; | |
| int erroffset; | |
| regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL, | |
| &errptr, &erroffset, | |
| r.pcre_tables); | |
| if(!regexp_code) | |
| PTHROW(0, 0, | |
| ®exp->mid(erroffset, regexp->size()), | |
| "regular expression syntax error - %s", errptr); | |
| ovector=(int *)malloc(sizeof(int)*(ovecsize=(1/*match*/)*3)); | |
| } else | |
| regexp_code=0; | |
| const char* absolute_path_cstr=r.absolute(relative_path.as_string()) | |
| .cstr(String::UL_FILE_NAME); | |
| Array& columns=*new(pool) Array(pool); | |
| columns+=new(pool) String(pool, "name"); | |
| Table& table=*new(pool) Table(pool, &method_name, &columns); | |
| LOAD_DIR(absolute_path_cstr, | |
| size_t file_name_size=strlen(ffblk.ff_name); | |
| bool suits=true; | |
| if(regexp_code) { | |
| int exec_result=pcre_exec(regexp_code, 0, | |
| ffblk.ff_name, file_name_size, 0, | |
| 0, ovector, ovecsize); | |
| if(exec_result==PCRE_ERROR_NOMATCH) | |
| suits=false; | |
| else if(exec_result<0) { | |
| (*pcre_free)(regexp_code); | |
| PTHROW(0, 0, | |
| regexp, | |
| "regular expression execute (%d)", | |
| exec_result); | |
| } | |
| } | } |
| } | |
| if(suits) { | r.write_no_lang(*new VTable(&result_table)); |
| char *file_name_cstr=(char *)r.malloc(file_name_size); | } |
| memcpy(file_name_cstr, ffblk.ff_name, file_name_size); | |
| String &file_name=*new(pool) String(pool); | |
| file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_NAME, | |
| method_name.origin().file, method_name.origin().line); | |
| Array& row=*new(pool) Array(pool); | |
| row+=&file_name; | |
| table+=&row; | |
| } | |
| ); | |
| if(regexp_code) | static void _select(Request& r, MethodParams& params) { |
| (*pcre_free)(regexp_code); | Value& vcondition=params.as_junction(0, "condition must be expression"); |
| // replace any previous table value | Table& source_table=GET_SELF(r, VTable).table(); |
| static_cast<VTable *>(r.self)->set_table(table); | Table& result_table=*new Table(source_table.columns()); |
| } | |
| static void _columns(Request& r, const String& method_name, MethodParams *) { | int saved_current=source_table.current(); |
| Pool& pool=r.pool(); | int size=source_table.count(); |
| for(int row=0; row<size; row++) { | |
| source_table.set_current(row); | |
| Array& result_columns=*new(pool) Array(pool); | bool condition=r.process_to_value(vcondition, |
| result_columns+=new(pool) String(pool, "column"); | /*0/*no name* /,*/ |
| Table& result_table=*new(pool) Table(pool, &method_name, &result_columns); | false/*don't intercept string*/).as_bool(); |
| Table& source_table=static_cast<VTable *>(r.self)->table(); | if(condition) // ...condition is true= |
| if(const Array *source_columns=source_table.columns()) { | result_table+=source_table[row]; // =green light to go to result |
| Array_iter i(*source_columns); | |
| while(i.has_next()) { | |
| Array& result_row=*new(pool) Array(pool); | |
| result_row+=i.next(); | |
| result_table+=&result_row; | |
| } | |
| } | } |
| source_table.set_current(saved_current); | |
| VTable& result=*new(pool) VTable(pool, &result_table); | r.write_no_lang(*new VTable(&result_table)); |
| result.set_name(method_name); | |
| r.write_no_lang(result); | |
| } | } |
| // constructor | // constructor |
| MTable::MTable(Pool& apool) : Methoded(apool) { | MTable::MTable(): Methoded("table") { |
| set_name(*NEW String(pool(), TABLE_CLASS_NAME)); | // ^table::create{data} |
| // ^table::create[nameless]{data} | |
| // ^table:set{data} | // ^table::create[table] |
| // ^table:set[nameless]{data} | add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2); |
| add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2); | // old name for compatibility with <= v 1.141 2002/01/25 11:33:45 paf |
| add_native_method("set", Method::CT_DYNAMIC, _create, 1, 2); | |
| // ^table:load[file] | |
| // ^table:load[nameless;file] | // ^table::load[file] |
| add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2); | // ^table::load[nameless;file] |
| add_native_method("load", Method::CT_DYNAMIC, _load, 1, 3); | |
| // ^table:calendar[month|montheng;year;month] | |
| // ^table:calendar[week|weekeng;year;month;day] | |
| add_native_method("calendar", Method::CT_DYNAMIC, _calendar, 3, 4); | |
| // ^table.save[file] | // ^table.save[file] |
| // ^table.save[nameless;file] | // ^table.save[nameless;file] |
| add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); | add_native_method("save", Method::CT_DYNAMIC, _save, 1, 3); |
| // ^table.count[] | // ^table.count[] |
| add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0); | add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0); |
| Line 784 MTable::MTable(Pool& apool) : Methoded(a | Line 1041 MTable::MTable(Pool& apool) : Methoded(a |
| add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0); | add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0); |
| // ^table.offset[] | // ^table.offset[] |
| // ^table.offset[offset] | // ^table.offset(offset) |
| add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1); | // ^table.offset[cur|set](offset) |
| add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 2); | |
| // ^table.menu{code} | // ^table.menu{code} |
| // ^table.menu{code}[delim] | // ^table.menu{code}[delim] |
| add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2); | add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2); |
| // ^table.empty[] | |
| add_native_method("empty", Method::CT_DYNAMIC, _empty, 0, 0); | |
| // ^table:hash[key field name] | // ^table:hash[key field name] |
| // ^table:hash[key field name][value field name;...] | // ^table:hash[key field name][value field name(s) string/table] |
| add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 1000); | add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 3); |
| // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[asc|desc] | // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[desc|asc] |
| // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[asc|desc] | // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[desc|asc] |
| add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2); | add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2); |
| // ^table.locate[field;value] | // ^table.locate[field;value] |
| add_native_method("locate", Method::CT_DYNAMIC, _locate, 2, 2); | add_native_method("locate", Method::CT_DYNAMIC, _locate, 1, 3); |
| // ^table.flip[] | // ^table.flip[] |
| add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0); | add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0); |
| Line 811 MTable::MTable(Pool& apool) : Methoded(a | Line 1066 MTable::MTable(Pool& apool) : Methoded(a |
| // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d} | // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d} |
| add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); | add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); |
| // ^table.join[table] | // ^table.join[table][$.limit(10) $.offset(1) $.offset[cur] ] |
| add_native_method("join", Method::CT_DYNAMIC, _join, 1, 1); | add_native_method("join", Method::CT_DYNAMIC, _join, 1, 2); |
| // ^table:sql[query] | // ^table:sql[query] |
| // ^table:sql[query][$.limit(1) $.offset(2)] | // ^table:sql[query][$.limit(1) $.offset(2)] |
| add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2); | add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2); |
| // ^table:dir[path] | |
| // ^table:dir[path][regexp] | |
| add_native_method("dir", Method::CT_DYNAMIC, _dir, 1, 2); | |
| // ^table:columns[] | // ^table:columns[] |
| add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0); | add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0); |
| } | |
| // global variable | |
| Methoded *table_class; | |
| // creator | |
| Methoded *MTable_create(Pool& pool) { | // ^table.select(expression) = table |
| return table_class=new(pool) MTable(pool); | add_native_method("select", Method::CT_DYNAMIC, _select, 1, 1); |
| } | } |