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| version 1.185, 2003/09/29 11:03:21 | version 1.238, 2008/01/22 13:19:08 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b table parser class. | Parser: @b table parser class. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char* IDENT_TABLE_C="$Date$"; | static const char * const IDENT_TABLE_C="$Date$"; |
| #include <sstream> | |
| using namespace std; | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| Line 21 static const char* IDENT_TABLE_C="$Date$ | Line 24 static const char* IDENT_TABLE_C="$Date$ |
| class MTable: public Methoded { | class MTable: public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| Value* create_new_value() { return new VTable(); } | Value* create_new_value(Pool&, HashStringValue&) { return new VTable(); } |
| public: | public: |
| MTable(); | MTable(); |
| Line 34 public: // Methoded | Line 37 public: // Methoded |
| DECLARE_CLASS_VAR(table, new MTable, 0); | DECLARE_CLASS_VAR(table, new MTable, 0); |
| // defines for globals | // externs |
| extern String cycle_data_name; | |
| #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" | #define TABLE_REVERSE_NAME "reverse" |
| // globals | // globals |
| String sql_limit_name(SQL_LIMIT_NAME); | String sql_bind_name(SQL_BIND_NAME); |
| String sql_offset_name(SQL_OFFSET_NAME); | String sql_limit_name(PA_SQL_LIMIT_NAME); |
| String sql_offset_name(PA_SQL_OFFSET_NAME); | |
| String sql_default_name(SQL_DEFAULT_NAME); | String sql_default_name(SQL_DEFAULT_NAME); |
| String sql_distinct_name(SQL_DISTINCT_NAME); | String sql_distinct_name(SQL_DISTINCT_NAME); |
| String sql_value_type_name(SQL_VALUE_TYPE_NAME); | |
| String table_reverse_name(TABLE_REVERSE_NAME); | String table_reverse_name(TABLE_REVERSE_NAME); |
| // methods | // methods |
| Line 65 static Table::Action_options get_action_ | Line 68 static Table::Action_options get_action_ |
| ] | ] |
| but there is ^table.locate[name;value] | but there is ^table.locate[name;value] |
| ...if(voptions.is_defined() && !voptions.is_string())) | |
| if(maybe_options.is_string()) { // allow empty options | if(maybe_options.is_string()) { // allow empty options |
| result.defined=true; | result.defined=true; |
| return result; | return result; |
| Line 86 static Table::Action_options get_action_ | Line 90 static Table::Action_options get_action_ |
| if(soffset == "cur") | if(soffset == "cur") |
| result.offset=source.current(); | result.offset=source.current(); |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &soffset, | &soffset, |
| "must be 'cur' string or expression"); | "must be 'cur' string or expression"); |
| } else | } else |
| Line 104 static Table::Action_options get_action_ | Line 108 static Table::Action_options get_action_ |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| Line 114 static void check_option_param(bool opti | Line 118 static void check_option_param(bool opti |
| MethodParams& params, size_t next_param_index, | MethodParams& params, size_t next_param_index, |
| const char *msg) { | const char *msg) { |
| if(next_param_index+(options_defined?1:0) != params.count()) | if(next_param_index+(options_defined?1:0) != params.count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "%s", msg); | "%s", msg); |
| } | } |
| struct TableSeparators { | |
| char column; const String* scolumn; | |
| char encloser; const String* sencloser; | |
| TableSeparators(): | |
| column('\t'), scolumn(new String("\t", false)), | |
| encloser(0), sencloser(0) | |
| {} | |
| int load( HashStringValue& options ) { | |
| int result=0; | |
| if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) { | |
| scolumn=&vseparator->as_string(); | |
| if(scolumn->length()!=1) | |
| throw Exception(PARSER_RUNTIME, | |
| scolumn, | |
| "separator must be one character long"); | |
| column=scolumn->first_char(); | |
| result++; | |
| } | |
| if(Value* vencloser=options.get(PA_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(); | |
| result++; | |
| } | |
| return result; | |
| } | |
| }; | |
| static void _create(Request& r, MethodParams& params) { | static void _create(Request& r, MethodParams& params) { |
| // clone/copy part? | // clone/copy part? |
| if(Table *source=params[0].get_table()) { | if(Table *source=params[0].get_table()) { |
| Line 129 static void _create(Request& r, MethodPa | Line 165 static void _create(Request& r, MethodPa |
| return; | return; |
| } | } |
| // data is last parameter | size_t data_param_index=0; |
| bool nameless=false; | |
| if(params.count()>1) { | |
| if(params[0].is_string()){ // can be nameless only | |
| const String& snameless=params.as_string(0, "called with more then 1 param, first param may be only string 'nameless' or junction"); | |
| if(snameless!="nameless") | |
| throw Exception(PARSER_RUNTIME, | |
| &snameless, | |
| "table::create called with more then 1 param, first param may be only 'nameless'"); | |
| nameless=true; | |
| data_param_index++; | |
| } | |
| } | |
| HashStringValue *options=0; | |
| TableSeparators separators; | |
| size_t options_param_index=data_param_index+1; | |
| if( | |
| options_param_index<params.count() | |
| && (options=params.as_no_junction(options_param_index, "additional params must be hash").get_hash()) | |
| ) { | |
| // cloning, so that we could change | |
| options=new HashStringValue(*options); | |
| separators.load(*options); | |
| if(separators.encloser){ | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "encloser not supported for table::create yet"); | |
| } | |
| } | |
| // data | |
| Temp_lang temp_lang(r, String::L_PASS_APPENDED); | Temp_lang temp_lang(r, String::L_PASS_APPENDED); |
| const String& data= | const String& data= |
| r.process_to_string(params.as_junction(params.count()-1, "body must be code")); | r.process_to_string(params.as_junction(data_param_index, "body must be code")); |
| // parse columns | // parse columns |
| size_t raw_pos_after=0; | size_t raw_pos_after=0; |
| Table::columns_type columns; | Table::columns_type columns; |
| if(params.count()==2) { | |
| if(nameless){ | |
| columns=Table::columns_type(0); // nameless | columns=Table::columns_type(0); // nameless |
| } else { | } else { |
| columns=Table::columns_type(new ArrayString); | columns=Table::columns_type(new ArrayString); |
| Line 146 static void _create(Request& r, MethodPa | Line 216 static void _create(Request& r, MethodPa |
| data.split(head, raw_pos_after, "\n", String::L_AS_IS, 1); | data.split(head, raw_pos_after, "\n", String::L_AS_IS, 1); |
| if(head.count()) { | if(head.count()) { |
| size_t col_pos_after=0; | size_t col_pos_after=0; |
| head[0]->split(*columns, col_pos_after, "\t", String::L_AS_IS); | head[0]->split(*columns, col_pos_after, *separators.scolumn, String::L_AS_IS); |
| } | } |
| } | } |
| Line 164 static void _create(Request& r, MethodPa | Line 234 static void _create(Request& r, MethodPa |
| continue; | continue; |
| size_t col_pos_after=0; | size_t col_pos_after=0; |
| string.split(*row, col_pos_after, "\t", String::L_AS_IS); | string.split(*row, col_pos_after, *separators.scolumn, String::L_AS_IS); |
| table+=row; | table+=row; |
| } | } |
| Line 172 static void _create(Request& r, MethodPa | Line 242 static void _create(Request& r, MethodPa |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| struct lsplit_result { | |
| char* piece; | |
| char delim; | |
| operator bool() { return piece!=0; } | |
| }; | |
| inline lsplit_result lsplit(char* string, char delim1, char delim2) { | |
| lsplit_result result; | |
| if(string) { | |
| char delims[]={delim1, delim2, 0}; | |
| if(char* v=strpbrk(string, delims)) { | |
| result.delim=*v; | |
| *v=0; | |
| result.piece=v+1; | |
| return result; | |
| } | |
| } | |
| 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; | |
| } | |
| static lsplit_result lsplit(char** string_ref, char delim1, char delim2, char encloser) { | |
| lsplit_result result; | |
| if(char* string=*string_ref) { | |
| if(encloser && *string==encloser) { | |
| string++; | |
| char *read; | |
| char *write; | |
| write=read=string; | |
| char c; | |
| while((c=*read++)) { | |
| if(c==encloser) { | |
| char n=*read; | |
| if(n==encloser) // double-encloser stands for encloser | |
| read++; | |
| else if(n==delim1 || n==delim2) { | |
| result.delim=n; | |
| read++; | |
| break; | |
| } | |
| } | |
| *write++=c; | |
| } | |
| *write=0; // terminate | |
| *string_ref=c? read: 0; | |
| result.piece=string; | |
| return result; | |
| } else | |
| return lsplit(string_ref, delim1, delim2); | |
| } | |
| result.piece=0; | |
| return result; | |
| } | |
| static void skip_empty_and_comment_lines( char** data_ref ) { | |
| if(char *data=*data_ref) { | |
| while( char c=*data ) { | |
| if( c== '\n' || c == '#' ) { | |
| /*nowhere=*/getrow(&data); // remove empty&comment lines | |
| if(!(*data_ref=data)) | |
| break; | |
| continue; | |
| } | |
| break; | |
| } | |
| } | |
| } | |
| static void _load(Request& r, MethodParams& params) { | static void _load(Request& r, MethodParams& params) { |
| const String& first_param=params.as_string(0, "file name must be string"); | const String& first_param=params.as_string(0, FILE_NAME_MUST_BE_STRING); |
| int filename_param_index=0; | int filename_param_index=0; |
| bool nameless=first_param=="nameless"; | bool nameless=first_param=="nameless"; |
| if(nameless) | if(nameless) |
| filename_param_index++; | filename_param_index++; |
| size_t options_param_index=filename_param_index+1; | size_t options_param_index=filename_param_index+1; |
| HashStringValue *options=0; | |
| TableSeparators separators; | |
| if(options_param_index<params.count() | |
| && (options=params.as_no_junction(options_param_index, "additional params must be hash").get_hash())) { | |
| // cloning, so that we could change [to simplify checks on params inside file_read_text | |
| options=new HashStringValue(*options); | |
| separators.load(*options); | |
| } | |
| // loading text | // loading text |
| char *data=file_read_text(r.charsets, | char *data=file_read_text(r.charsets, |
| r.absolute(params.as_string(filename_param_index, "file name must be string")), | r.absolute(params.as_string(filename_param_index, FILE_NAME_MUST_BE_STRING)), |
| true, | true, |
| options_param_index<params.count()?params.as_no_junction(options_param_index, "additional params must be hash").get_hash():0 | options |
| ); | ); |
| // parse columns | // parse columns |
| Line 194 static void _load(Request& r, MethodPara | Line 355 static void _load(Request& r, MethodPara |
| } else { | } else { |
| columns=Table::columns_type(new ArrayString); | columns=Table::columns_type(new ArrayString); |
| while(char *row_chars=getrow(&data)) { | skip_empty_and_comment_lines(&data); |
| // remove empty&comment lines | while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { |
| if(!*row_chars || *row_chars == '#') | *columns+=new String(sr.piece, 0, true); |
| continue; | if(sr.delim=='\n') |
| do { | break; |
| *columns+=new String(lsplit(&row_chars, '\t'), 0, true); | |
| } while(row_chars); | |
| break; | |
| } | } |
| } | } |
| Table& table=*new Table(columns); | |
| int columns_count=columns? columns->count(): 0; | |
| // parse cells | // parse cells |
| Table& table=*new Table(columns);//что-то очень плохое с realloc'ом: 1000 сильно помогает | Table::element_type row(new ArrayString(columns_count)); |
| char *row_chars; | skip_empty_and_comment_lines(&data); |
| int cells=0; | while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { |
| while(row_chars=getrow(&data)) { | if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n] |
| // remove empty&comment lines | break; |
| if(!*row_chars || *row_chars == '#') | *row+=new String(sr.piece, 0, true); |
| continue; | if(sr.delim=='\n') { |
| Table::element_type row(new ArrayString); | table+=row; |
| while(char *cell_chars=lsplit(&row_chars, '\t')) { | row=new ArrayString(columns_count); |
| *row+=new String(cell_chars, 0, true); | skip_empty_and_comment_lines(&data); |
| cells++; | |
| } | } |
| } | |
| // last line [if without \n] | |
| if(row->count()) | |
| table+=row; | table+=row; |
| }; | |
| // replace any previous table value | // replace any previous table value |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| /// @todo "x\nx" "xxx""xx" | void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { |
| static void _save(Request& r, MethodParams& params) { | if(encloser) { |
| Value& vfile_name=params.as_no_junction(params.count()-1, "file name must not be code"); | 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) { | |
| pos_before++; // including first encloser (and skipping it for next pos) | |
| to<<from.mid(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); | |
| Table& table=GET_SELF(r, VTable).table(); | to<<*sencloser; |
| } else | |
| to<<from; | |
| } | |
| void maybe_enclose( ostringstream& to, const String& from, char encloser ) { | |
| if(encloser) { | |
| to<<encloser; | |
| // 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) { | |
| pos_before++; // including first encloser (and skipping it for next pos) | |
| to<<from.mid(pos_after, pos_before).cstr(); | |
| to<<encloser; // doubling encloser | |
| } | |
| // last piece | |
| size_t from_length=from.length(); | |
| if(pos_after<from_length) | |
| to<<from.mid(pos_after, from_length).cstr(); | |
| to<<encloser; | |
| } else | |
| to<<from.cstr(); | |
| } | |
| /* | |
| static void _save_old(Request& r, MethodParams& params) { | |
| const String& first_arg=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE); | |
| size_t param_index=1; | |
| bool do_append=false; | bool do_append=false; |
| bool output_column_names=true; | |
| // mode? | |
| if(first_arg=="append") | |
| do_append=true; | |
| else if(first_arg=="nameless") | |
| output_column_names=false; | |
| else | |
| --param_index; | |
| const String& file_name=params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE); | |
| TableSeparators separators; | |
| if(param_index<params.count()) { | |
| Value& voptions=params.as_no_junction(param_index++, "additional params must be hash"); | |
| if( voptions.is_defined() && !voptions.is_string() ) { | |
| if(HashStringValue* options=voptions.get_hash()) { | |
| int valid_options=separators.load(*options); | |
| if(valid_options!=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; | String sdata; |
| if(params.count()==1) { // named output | if(output_column_names) { |
| // write out names line | |
| if(table.columns()) { // named table | if(table.columns()) { // named table |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { |
| sdata.append(*i.next(), String::L_TABLE); | maybe_enclose( sdata, *i.next(), separators.encloser, separators.sencloser ); |
| if(i.has_next()) | if(i.has_next()) |
| sdata.append_know_length("\t", 1, String::L_CLEAN); | sdata<<*separators.scolumn; |
| } | } |
| } else { // nameless table | } else { // nameless table [we were asked to output column names] |
| if(int lsize=table.count()?table[0]->count():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=new(PointerFreeGC) char[MAX_NUMBER]; | char *cindex_tab=new(PointerFreeGC) char[MAX_NUMBER]; |
| sdata.append_know_length(cindex_tab, | sdata.append_know_length(cindex_tab, |
| snprintf(cindex_tab, MAX_NUMBER, | snprintf(cindex_tab, MAX_NUMBER, |
| column<lsize-1?"%d\t":"%d", column), | column<lsize-1?"%d%c":"%d", column, separators.column), |
| String::L_CLEAN); | String::L_CLEAN); |
| } | } |
| else | else |
| sdata.append_help_length("empty nameless table", 0, String::L_CLEAN); | sdata.append_help_length("empty nameless table", 0, String::L_CLEAN); |
| } | } |
| sdata.append_know_length("\n", 1, String::L_CLEAN); | sdata.append_know_length("\n", 1, String::L_CLEAN); |
| } else { // mode specified | |
| const String& mode=params.as_string(0, "mode must be string"); | |
| if(mode=="append") | |
| do_append=true; | |
| else if(mode=="nameless") | |
| /*ok, already skipped names output*/; | |
| else | |
| throw Exception("parser.runtime", | |
| &mode, | |
| "unknown mode, must be 'append'"); | |
| } | } |
| // data lines | // data lines |
| Array_iterator<ArrayString*> i(table); | Array_iterator<ArrayString*> i(table); |
| while(i.has_next()) { | while(i.has_next()) { |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { |
| sdata.append(*c.next(), String::L_TABLE); | maybe_enclose( sdata, *c.next(), separators.encloser, separators.sencloser ); |
| if(c.has_next()) | if(c.has_next()) |
| sdata.append_know_length("\t", 1, String::L_CLEAN); | sdata<<*separators.scolumn; |
| } | } |
| sdata.append_know_length("\n", 1, String::L_CLEAN); | sdata.append_know_length("\n", 1, String::L_CLEAN); |
| } | } |
| // write | // write |
| file_write(r.absolute(vfile_name.as_string()), | { |
| sdata.cstr(), sdata.length(), true, do_append); | const char* data_cstr=sdata.cstr(); |
| file_write(r.absolute(file_name), | |
| data_cstr, sdata.length(), true, do_append); | |
| if(*data_cstr) // not empty (when empty it's not heap memory) | |
| pa_free((void*)data_cstr); // not needed anymore | |
| } | |
| } | |
| */ | |
| static void _save(Request& r, MethodParams& params) { | |
| const String& first_arg=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE); | |
| size_t param_index=1; | |
| bool do_append=false; | |
| bool output_column_names=true; | |
| // mode? | |
| if(first_arg=="append") | |
| do_append=true; | |
| else if(first_arg=="nameless") | |
| output_column_names=false; | |
| else | |
| --param_index; | |
| const String& file_name=params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE); | |
| TableSeparators separators; | |
| if(param_index<params.count()) { | |
| Value& voptions=params.as_no_junction(param_index++, "additional params must be hash"); | |
| if( voptions.is_defined() && !voptions.is_string() ) { | |
| if(HashStringValue* options=voptions.get_hash()) { | |
| int valid_options=separators.load(*options); | |
| if(valid_options!=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(); | |
| ostringstream ost(stringstream::out); | |
| // process header | |
| if(output_column_names) { | |
| if(table.columns()) { // named table | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| maybe_enclose( ost, *i.next(), separators.encloser ); | |
| if(i.has_next()){ | |
| ost<<separators.column; | |
| } | |
| } | |
| } else { // nameless table [we were asked to output column names] | |
| if(int lsize=table.count()?table[0]->count():0) | |
| for(int column=0; column<lsize; column++) { | |
| if(separators.encloser) { | |
| ost<<separators.encloser<<column<<separators.encloser; | |
| } else { | |
| ost<<column; | |
| } | |
| if(column<lsize-1){ | |
| ost<<separators.column; | |
| } | |
| } | |
| else | |
| ost<<"empty nameless table"; | |
| } | |
| ost<<'\n'; | |
| } | |
| // process data lines | |
| Array_iterator<ArrayString*> i(table); | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| maybe_enclose( ost, *c.next(), separators.encloser ); | |
| if(c.has_next()) | |
| ost<<separators.column; | |
| } | |
| ost<<'\n'; | |
| } | |
| // write | |
| { | |
| string data=ost.str(); | |
| const char* data_cstr = data.c_str(); | |
| file_write(r.absolute(file_name), data_cstr, data.length(), true /* as text */, do_append); | |
| } | |
| } | } |
| static void _count(Request& r, MethodParams&) { | static void _count(Request& r, MethodParams&) { |
| Line 304 static void _offset(Request& r, MethodPa | Line 625 static void _offset(Request& r, MethodPa |
| else if(whence=="set") | else if(whence=="set") |
| absolute=true; | absolute=true; |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &whence, | &whence, |
| "is invalid whence, valid are 'cur' or 'set'"); | "is invalid whence, valid are 'cur' or 'set'"); |
| } | } |
| Value& offset_expr=params.as_junction(params.count()-1, "offset must be expression"); | int offset=params.as_int(params.count()-1, "offset must be expression", r); |
| table.offset(absolute, r.process_to_value(offset_expr).as_int()); | table.offset(absolute, offset); |
| } else | } else |
| r.write_no_lang(*new VInt(table.current())); | r.write_no_lang(*new VInt(table.current())); |
| } | } |
| static void _menu(Request& r, MethodParams& params) { | static void _menu(Request& r, MethodParams& params) { |
| Temp_hash_value<const String::Body, void*> | |
| cycle_data_setter(r.classes_conf, cycle_data_name, /*any not null flag*/&r); | |
| Value& body_code=params.as_junction(0, "body must be code"); | Value& body_code=params.as_junction(0, "body must be code"); |
| Value* delim_maybe_code=params.count()>1?¶ms[1]:0; | Value* delim_maybe_code=params.count()>1?¶ms[1]:0; |
| Line 328 static void _menu(Request& r, MethodPara | Line 652 static void _menu(Request& r, MethodPara |
| table.set_current(row); | table.set_current(row); |
| StringOrValue sv_processed=r.process(body_code); | StringOrValue sv_processed=r.process(body_code); |
| Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); | |
| const String* s_processed=sv_processed.get_string(); | const String* s_processed=sv_processed.get_string(); |
| if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body | if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body |
| if(need_delim) // need delim & iteration produced string? | if(need_delim) // need delim & iteration produced string? |
| Line 335 static void _menu(Request& r, MethodPara | Line 660 static void _menu(Request& r, MethodPara |
| need_delim=true; | need_delim=true; |
| } | } |
| r.write_pass_lang(sv_processed); | r.write_pass_lang(sv_processed); |
| if(lskip==Request::SKIP_BREAK) | |
| break; | |
| } | } |
| table.set_current(saved_current); | table.set_current(saved_current); |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| enum Table2hash_distint { D_ILLEGAL, D_FIRST, D_TABLES }; | |
| struct Row_info { | struct Row_info { |
| Request *r; | Request *r; |
| Table *table; | Table *table; |
| Line 350 struct Row_info { | Line 677 struct Row_info { |
| HashStringValue* hash; | HashStringValue* hash; |
| Table2hash_distint distinct; | Table2hash_distint distinct; |
| size_t row; | size_t row; |
| Table2hash_value_type value_type; | |
| }; | }; |
| #endif | #endif |
| static void table_row_to_hash(Table::element_type row, Row_info *info) { | static void table_row_to_hash(Table::element_type row, Row_info *info) { |
| Line 358 static void table_row_to_hash(Table::ele | Line 686 static void table_row_to_hash(Table::ele |
| info->table->set_current(info->row++); // change context row | info->table->set_current(info->row++); // change context row |
| StringOrValue sv_processed=info->r->process(*info->key_code); | StringOrValue sv_processed=info->r->process(*info->key_code); |
| key=&sv_processed.as_string(); | key=&sv_processed.as_string(); |
| } else | } else { |
| key=info->key_field<row->count()?row->get(info->key_field):0; | key=info->key_field<row->count()?row->get(info->key_field):0; |
| } | |
| if(!key) | if(!key) |
| return; // ignore rows without key [too-short-record_array if-indexed] | return; // ignore rows without key [too-short-record_array if-indexed] |
| switch(info->distinct) { | bool exist = false; |
| case D_ILLEGAL: case D_FIRST: | switch (info->value_type) { |
| case C_STRING: | |
| { | |
| exist=info->hash->put_dont_replace(*key, new VString(*row->get(info->value_fields->get(0)))); | |
| } | |
| break; | |
| case C_HASH: | |
| { | { |
| VHash* vhash=new VHash; | VHash* vhash=new VHash; |
| HashStringValue& hash=vhash->hash(); | HashStringValue& hash=vhash->hash(); |
| Line 377 static void table_row_to_hash(Table::ele | Line 712 static void table_row_to_hash(Table::ele |
| new VString(*row->get(value_field))); | new VString(*row->get(value_field))); |
| } | } |
| if(info->hash->put_dont_replace(*key, vhash)) // put. existed? | exist=info->hash->put_dont_replace(*key, vhash); |
| if(info->distinct==D_ILLEGAL) | |
| throw Exception("parser.runtime", | |
| key, | |
| "duplicate key"); | |
| } | } |
| break; | break; |
| case D_TABLES: | case C_TABLE: |
| { | { |
| VTable* vtable=(VTable*)info->hash->get(*key); // put. table existed? | VTable* vtable=(VTable*)info->hash->get(*key); // put. table existed? |
| if( info->distinct==D_ILLEGAL ){ | |
| exist=true; | |
| break; | |
| } | |
| Table* table; | Table* table; |
| if(vtable) | if(vtable) { |
| table=vtable->get_table(); | table=vtable->get_table(); |
| else { | } else { |
| // no? creating table of same structure as source | // no? creating table of same structure as source |
| Table::Action_options table_options(0, 0); | Table::Action_options table_options(0, 0); |
| table=new Table(*info->table, table_options/*no rows, just structure*/); | table=new Table(*info->table, table_options/*no rows, just structure*/); |
| Line 399 static void table_row_to_hash(Table::ele | Line 735 static void table_row_to_hash(Table::ele |
| *table+=row; | *table+=row; |
| } | } |
| break; | break; |
| default: | } |
| throw Exception(0, | if(exist && info->distinct==D_ILLEGAL) |
| throw Exception(PARSER_RUNTIME, | |
| key, | |
| "duplicate key"); | |
| } | |
| Table2hash_value_type get_value_type(Value& vvalue_type){ | |
| if(vvalue_type.is_string()) { | |
| const String& svalue_type=*vvalue_type.get_string(); | |
| if(svalue_type == "table"){ | |
| return C_TABLE; | |
| } else if (svalue_type == "string") { | |
| return C_STRING; | |
| } else if (svalue_type == "hash") { | |
| return C_HASH; | |
| } else { | |
| throw Exception(PARSER_RUNTIME, | |
| &svalue_type, | |
| "must be 'hash', 'table' or 'string'"); | |
| } | |
| } else { | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | 0, |
| "invalid distinct code (#%d)", info->distinct); | "'type' must be hash"); |
| } | } |
| } | } |
| static void _hash(Request& r, MethodParams& params) { | static void _hash(Request& r, MethodParams& params) { |
| Table& self_table=GET_SELF(r, VTable).table(); | Table& self_table=GET_SELF(r, VTable).table(); |
| VHash& result=*new VHash; | VHash& result=*new VHash; |
| if(Table::columns_type columns=self_table.columns()) | if(Table::columns_type columns=self_table.columns()){ |
| if(columns->count()>0) { | if(columns->count()>0) { |
| Table2hash_distint distinct=D_ILLEGAL; | Table2hash_distint distinct=D_ILLEGAL; |
| Table2hash_value_type value_type=C_HASH; | |
| int param_index=params.count()-1; | int param_index=params.count()-1; |
| if(param_index>0) { | if(param_index>0) { |
| if(HashStringValue* options= | if(HashStringValue* options=params.as_no_junction(param_index, PARAM_MUST_NOT_BE_CODE).get_hash()){ // options where specified |
| params.as_no_junction(param_index, "param must not be code").get_hash()) { | |
| --param_index; | --param_index; |
| int valid_options=0; | int valid_options=0; |
| if(Value* vdistinct_code=options->get(sql_distinct_name)) { | if(Value* vdistinct_code=options->get(sql_distinct_name)) { // $.distinct ? |
| valid_options++; | valid_options++; |
| Value& vdistinct_value=r.process_to_value(*vdistinct_code); | Value& vdistinct_value=r.process_to_value(*vdistinct_code); |
| if(vdistinct_value.is_string()) { | if(vdistinct_value.is_string()) { |
| const String& sdistinct=*vdistinct_value.get_string(); | const String& sdistinct=*vdistinct_value.get_string(); |
| if(sdistinct=="tables") | if(sdistinct=="tables") { |
| distinct=D_TABLES; | value_type=C_TABLE; |
| else | distinct=D_FIRST; |
| throw Exception("parser.runtime", | } else { |
| throw Exception(PARSER_RUNTIME, | |
| &sdistinct, | &sdistinct, |
| "must be 'tables' or true/false"); | "must be 'tables' or true/false"); |
| } else | } |
| } else { | |
| distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL; | distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL; |
| } | |
| } | |
| if(Value* vvalue_type_code=options->get(sql_value_type_name)) { // $.type ? | |
| if(value_type==C_TABLE) // $.distinct[tables] already was specified | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can't specify $.distinct[tables] and $.type[] together"); | |
| valid_options++; | |
| value_type=get_value_type(r.process_to_value(*vvalue_type_code)); | |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| } | } |
| } | } |
| if(param_index==2) // bad options param type | |
| throw Exception("parser.runtime", | if(param_index==2) // options was specified but not as hash |
| throw Exception(PARSER_RUNTIME, | |
| 0, | 0, |
| "options must be hash"); | "options must be hash"); |
| Array<int> value_fields; | Array<int> value_fields; |
| if(param_index>0) { | if(param_index==0){ // list of columns wasn't specified |
| if(distinct!=D_ILLEGAL && distinct!=D_FIRST) | if(value_type==C_STRING) // $.type[string] |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "in distinct[tables] mode you may not specify value field(s)"); | "you must specify one value field with option $.type[string]"); |
| for(size_t i=0; i<columns->count(); i++) // by all columns, including key | |
| value_fields+=i; | |
| } else { // list of columns was specified | |
| if(value_type==C_TABLE) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can't specify value field(s) with option $.distinct[tables] or $.type[tables]"); | |
| Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); | Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); |
| if(value_fields_param.is_string()) { | if(value_fields_param.is_string()) { // one column as string was specified |
| value_fields+=self_table.column_name2index( | value_fields+=self_table.column_name2index(*value_fields_param.get_string(), true); |
| *value_fields_param.get_string(), true); | } else if(Table* value_fields_table=value_fields_param.get_table()) { // list of columns were specified in table |
| } else if(Table* value_fields_table=value_fields_param.get_table()) { | for(Array_iterator<Table::element_type> i(*value_fields_table); i.has_next(); ) { |
| for(Array_iterator<Table::element_type> i(*value_fields_table); | const String& value_field_name =*i.next()->get(0); |
| i.has_next(); ) { | value_fields +=self_table.column_name2index(value_field_name, true); |
| const String& value_field_name | |
| =*i.next()->get(0); | |
| value_fields | |
| +=self_table.column_name2index(value_field_name, true); | |
| } | } |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "value field(s) must be string or self_table" | "value field(s) must be string or 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; | |
| } | |
| if(value_type==C_STRING && value_fields.count()!=1) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can specify only one value field with option $.type[string]"); | |
| { | { |
| Row_info info={0}; | |
| info.r=&r; | |
| info.table=&self_table; | |
| Value* key_param=¶ms[0]; | Value* key_param=¶ms[0]; |
| info.key_code=key_param->get_junction()?key_param:0; | Row_info info={ |
| info.key_field=info.key_code?-1 | &r, |
| :self_table.column_name2index(key_param->as_string(), true); | &self_table, |
| info.value_fields=&value_fields; | /*key_code=*/key_param->get_junction()?key_param:0, |
| info.hash=&result.hash(); | /*key_field=*/0/*filled below*/, |
| info.distinct=distinct; | &value_fields, |
| info.row=0; | &result.hash(), |
| distinct, | |
| /*row=*/0, | |
| value_type | |
| }; | |
| info.key_field=(info.key_code?-1 | |
| :self_table.column_name2index(key_param->as_string(), true)); | |
| int saved_current=self_table.current(); | int saved_current=self_table.current(); |
| self_table.for_each(table_row_to_hash, &info); | self_table.for_each(table_row_to_hash, &info); |
| self_table.set_current(saved_current); | self_table.set_current(saved_current); |
| result.extract_default(); | |
| } | } |
| } | } |
| } | |
| r.write_no_lang(result); | r.write_no_lang(result); |
| } | } |
| Line 567 struct Expression_is_true_info { | Line 950 struct Expression_is_true_info { |
| Value* expression_code; | Value* expression_code; |
| }; | }; |
| #endif | #endif |
| static bool expression_is_true(Table& self, void* ainfo) { | static bool expression_is_true(Table&, Expression_is_true_info* info) { |
| Expression_is_true_info& info=*static_cast<Expression_is_true_info*>(ainfo); | return info->r->process_to_value(*info->expression_code).as_bool(); |
| return info.r->process_to_value(*info.expression_code).as_bool(); | |
| } | } |
| static bool _locate_expression(Table& table, Table::Action_options o, | static bool _locate_expression(Table& table, Table::Action_options o, |
| Request& r, MethodParams& params) { | Request& r, MethodParams& params) { |
| Line 581 static bool _locate_expression(Table& ta | Line 963 static bool _locate_expression(Table& ta |
| return table.table_first_that(expression_is_true, &info, o); | return table.table_first_that(expression_is_true, &info, o); |
| } | } |
| static bool _locate_name_value(Table& table, Table::Action_options o, | static bool _locate_name_value(Table& table, Table::Action_options o, |
| Request& r, MethodParams& params) { | Request&, MethodParams& params) { |
| check_option_param(o.defined, params, 2, | check_option_param(o.defined, params, 2, |
| "locate by locate by name has parameters: name, value and, maybe, options"); | "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& name=params.as_string(0, "column name must be string"); |
| const String& value=params.as_string(1, "value must be string"); | const String& value=params.as_string(1, VALUE_MUST_BE_STRING); |
| return table.locate(name, value, o); | return table.locate(name, value, o); |
| } | } |
| static void _locate(Request& r, MethodParams& params) { | static void _locate(Request& r, MethodParams& params) { |
| Line 600 static void _locate(Request& r, MethodPa | Line 982 static void _locate(Request& r, MethodPa |
| } | } |
| static void _flip(Request& r, MethodParams& params) { | static void _flip(Request& r, MethodParams&) { |
| Table& old_table=GET_SELF(r, VTable).table(); | Table& old_table=GET_SELF(r, VTable).table(); |
| Table& new_table=*new Table(0); | Table& new_table=*new Table(0); |
| if(size_t old_count=old_table.count()) | if(size_t old_count=old_table.count()) |
| Line 646 static void join_nameless_row(Table& src | Line 1028 static void join_nameless_row(Table& src |
| static void _join(Request& r, MethodParams& params) { | static void _join(Request& r, MethodParams& params) { |
| Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table(); | Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table(); |
| if(!maybe_src) | if(!maybe_src) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "source is not a table"); | "source is not a table"); |
| Table& src=*maybe_src; | Table& src=*maybe_src; |
| Line 657 static void _join(Request& r, MethodPara | Line 1039 static void _join(Request& r, MethodPara |
| Table& dest=GET_SELF(r, VTable).table(); | Table& dest=GET_SELF(r, VTable).table(); |
| if(&src == &dest) | if(&src == &dest) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "source and destination are same table"); | "source and destination are same table"); |
| if(Table::columns_type dest_columns=dest.columns()) // dest is named | if(dest.columns()) // dest is named |
| src.table_for_each(join_named_row, &dest, o); | src.table_for_each(join_named_row, &dest, o); |
| else // dest is nameless | else // dest is nameless |
| src.table_for_each(join_nameless_row, &dest, o); | src.table_for_each(join_nameless_row, &dest, o); |
| Line 670 static void _join(Request& r, MethodPara | Line 1052 static void _join(Request& r, MethodPara |
| #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& columns; |
| int columns_count; | |
| ArrayString* row; | ArrayString* row; |
| public: | public: |
| Table* table; | Table* table; |
| Line 690 public: | Line 1073 public: |
| bool before_rows(SQL_Error& error) { | bool before_rows(SQL_Error& error) { |
| try { | try { |
| table=new Table(&columns); | table=new Table(&columns); |
| columns_count=columns.count(); | |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::before_rows"); | error=SQL_Error("exception occured in Table_sql_event_handlers::before_rows"); |
| Line 698 public: | Line 1082 public: |
| } | } |
| bool add_row(SQL_Error& error) { | bool add_row(SQL_Error& error) { |
| try { | try { |
| *table+=row=new ArrayString; | *table+=row=new ArrayString(columns_count); |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_row"); | error=SQL_Error("exception occured in Table_sql_event_handlers::add_row"); |
| Line 719 public: | Line 1103 public: |
| } | } |
| }; | }; |
| #endif | #endif |
| static void marshal_bind( | |
| HashStringValue::key_type aname, | |
| HashStringValue::value_type avalue, | |
| SQL_Driver::Placeholder** pptr) | |
| { | |
| SQL_Driver::Placeholder& ph=**pptr; | |
| ph.name=aname.cstr(); | |
| ph.value=avalue->as_string().cstr(String::L_UNSPECIFIED); | |
| ph.is_null=avalue->get_class()==void_class; | |
| ph.were_updated=false; | |
| (*pptr)++; | |
| } | |
| // not static, used elsewhere | |
| int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders) { | |
| int hash_count=hash.count(); | |
| placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count]; | |
| SQL_Driver::Placeholder* ptr=placeholders; | |
| hash.for_each<SQL_Driver::Placeholder**>(marshal_bind, &ptr); | |
| return hash_count; | |
| } | |
| // not static, used elsewhere | |
| void unmarshal_bind_updates(HashStringValue& hash, int placeholder_count, SQL_Driver::Placeholder* placeholders) { | |
| SQL_Driver::Placeholder* ph=placeholders; | |
| for(int i=0; i<placeholder_count; i++, ph++) | |
| if(ph->were_updated) { | |
| Value* value; | |
| if(ph->is_null) | |
| value=new VVoid(); | |
| else | |
| if(ph->value) | |
| value=new VString(*new String(ph->value, 0, true/*tainted*/)); | |
| else | |
| value=new VString(*new String()); | |
| hash.put(ph->name, value); | |
| } | |
| } | |
| static void _sql(Request& r, MethodParams& params) { | static void _sql(Request& r, MethodParams& params) { |
| Value& statement=params.as_junction(0, "statement must be code"); | Value& statement=params.as_junction(0, "statement must be code"); |
| HashStringValue* bind=0; | |
| ulong limit=0; | ulong limit=0; |
| ulong offset=0; | ulong offset=0; |
| if(params.count()>1) { | if(params.count()>1) { |
| Value& voptions=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(!voptions.is_string()) | if(voptions.is_defined() && !voptions.is_string()) |
| if(HashStringValue* options=voptions.get_hash()) { | if(HashStringValue* options=voptions.get_hash()) { |
| int valid_options=0; | int valid_options=0; |
| if(Value* vbind=options->get(sql_bind_name)) { | |
| valid_options++; | |
| bind=vbind->get_hash(); | |
| } | |
| if(Value* vlimit=options->get(sql_limit_name)) { | if(Value* vlimit=options->get(sql_limit_name)) { |
| valid_options++; | valid_options++; |
| limit=(ulong)r.process_to_value(*vlimit).as_double(); | limit=(ulong)r.process_to_value(*vlimit).as_double(); |
| Line 738 static void _sql(Request& r, MethodParam | Line 1168 static void _sql(Request& r, MethodParam |
| offset=(ulong)r.process_to_value(*voffset).as_double(); | offset=(ulong)r.process_to_value(*voffset).as_double(); |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "options must be hash"); | "options must be hash"); |
| } | } |
| SQL_Driver::Placeholder* placeholders=0; | |
| uint placeholders_count=0; | |
| if(bind) | |
| placeholders_count=marshal_binds(*bind, placeholders); | |
| Temp_lang temp_lang(r, String::L_SQL); | Temp_lang temp_lang(r, String::L_SQL); |
| const String& statement_string=r.process_to_string(statement); | const String& statement_string=r.process_to_string(statement); |
| const char* statement_cstr= | const char* statement_cstr= |
| Line 758 static void _sql(Request& r, MethodParam | Line 1193 static void _sql(Request& r, MethodParam |
| gettimeofday(&mt[0],NULL); | gettimeofday(&mt[0],NULL); |
| #endif | #endif |
| r.connection()->query( | r.connection()->query( |
| statement_cstr, offset, limit, | statement_cstr, |
| placeholders_count, placeholders, | |
| offset, limit, | |
| handlers, | handlers, |
| statement_string); | statement_string); |
| Line 773 static void _sql(Request& r, MethodParam | Line 1210 static void _sql(Request& r, MethodParam |
| r.sql_request_time+=t[1]-t[0]; | r.sql_request_time+=t[1]-t[0]; |
| #endif | #endif |
| if(bind) | |
| unmarshal_bind_updates(*bind, placeholders_count, placeholders); | |
| Table& result= | Table& result= |
| handlers.table?*handlers.table: // query resulted in table? return it | handlers.table?*handlers.table: // query resulted in table? return it |
| *new Table(Table::columns_type(0)); // query returned no table, fake it | *new Table(Table::columns_type(0)); // query returned no table, fake it |
| Line 781 static void _sql(Request& r, MethodParam | Line 1221 static void _sql(Request& r, MethodParam |
| GET_SELF(r, VTable).set_table(result); | GET_SELF(r, VTable).set_table(result); |
| } | } |
| static void _columns(Request& r, MethodParams&) { | static void _columns(Request& r, MethodParams& params) { |
| const String* column_column_name; | |
| if(params.count()>0) | |
| column_column_name=¶ms.as_string(0, COLUMN_NAME_MUST_BE_STRING); | |
| else | |
| column_column_name=new String("column"); | |
| Table::columns_type result_columns(new ArrayString); | Table::columns_type result_columns(new ArrayString); |
| *result_columns+=new String("column"); | *result_columns+=column_column_name; |
| Table& result_table=*new Table(result_columns); | Table& result_table=*new Table(result_columns); |
| Table& source_table=GET_SELF(r, VTable).table(); | Table& source_table=GET_SELF(r, VTable).table(); |
| Line 800 static void _columns(Request& r, MethodP | Line 1245 static void _columns(Request& r, MethodP |
| } | } |
| static void _select(Request& r, MethodParams& params) { | static void _select(Request& r, MethodParams& params) { |
| Value& vcondition=params.as_junction(0, "condition must be expression"); | Value& vcondition=params.as_expression(0, "condition must be number, bool or expression"); |
| Table& source_table=GET_SELF(r, VTable).table(); | Table& source_table=GET_SELF(r, VTable).table(); |
| Table& result_table=*new Table(source_table.columns()); | Table& result_table=*new Table(source_table.columns()); |
| Line 811 static void _select(Request& r, MethodPa | Line 1256 static void _select(Request& r, MethodPa |
| source_table.set_current(row); | source_table.set_current(row); |
| bool condition=r.process_to_value(vcondition, | bool condition=r.process_to_value(vcondition, |
| /*0/*no name* /,*/ | |
| false/*don't intercept string*/).as_bool(); | false/*don't intercept string*/).as_bool(); |
| if(condition) // ...condition is true= | if(condition) // ...condition is true= |
| Line 828 MTable::MTable(): Methoded("table") { | Line 1272 MTable::MTable(): Methoded("table") { |
| // ^table::create{data} | // ^table::create{data} |
| // ^table::create[nameless]{data} | // ^table::create[nameless]{data} |
| // ^table::create[table] | // ^table::create[table] |
| add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2); | add_native_method("create", Method::CT_DYNAMIC, _create, 1, 3); |
| // old name for compatibility with <= v 1.141 2002/01/25 11:33:45 paf | // 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); | add_native_method("set", Method::CT_DYNAMIC, _create, 1, 3); |
| // ^table::load[file] | // ^table::load[file] |
| // ^table::load[nameless;file] | // ^table::load[nameless;file] |
| Line 838 MTable::MTable(): Methoded("table") { | Line 1282 MTable::MTable(): Methoded("table") { |
| // ^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); |
| // add_native_method("save_old", Method::CT_DYNAMIC, _save_old, 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 880 MTable::MTable(): Methoded("table") { | Line 1326 MTable::MTable(): Methoded("table") { |
| // ^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:columns[] | // ^table:columns[[column name]] |
| add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0); | add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 1); |
| // ^table.select(expression) = table | // ^table.select(expression) = table |
| add_native_method("select", Method::CT_DYNAMIC, _select, 1, 1); | add_native_method("select", Method::CT_DYNAMIC, _select, 1, 1); |