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| version 1.172.2.6, 2003/02/07 14:38:05 | version 1.199, 2004/03/30 08:33:05 |
|---|---|
| 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) 2001-2004 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 "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| Line 19 static const char* IDENT_TABLE_C="$Date$ | Line 19 static const char* IDENT_TABLE_C="$Date$ |
| // class | // class |
| class MTable : public Methoded { | class MTable: public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| ValuePtr create_new_value() { return ValuePtr(new VTable()); } | Value* create_new_value(Pool&) { return new VTable(); } |
| public: | public: |
| MTable(); | MTable(); |
| Line 32 public: // Methoded | Line 32 public: // Methoded |
| // global variable | // global variable |
| MethodedPtr table_class(new MTable); | DECLARE_CLASS_VAR(table, new MTable, 0); |
| // methods | // defines for globals |
| static void get_copy_options(Request& r, StringPtr method_name, MethodParams& params, int param_index, | #define SQL_LIMIT_NAME "limit" |
| const Table& source, | #define SQL_OFFSET_NAME "offset" |
| int& offset, | #define SQL_DEFAULT_NAME "default" |
| int& limit) { | #define SQL_DISTINCT_NAME "distinct" |
| Pool& pool=r.pool(); | #define TABLE_REVERSE_NAME "reverse" |
| offset=0; | |
| limit=0; | |
| if(params.count()<=param_index) | |
| return; | |
| ValuePtr voptions=params.as_no_junction(param_index, "options must be hash, not code"); | // globals |
| if(!voptions->is_string()) { | |
| if(HashStringValue* options=voptions->get_hash(method_name)) { | String sql_limit_name(SQL_LIMIT_NAME); |
| int valid_options=0; | String sql_offset_name(SQL_OFFSET_NAME); |
| if(ValuePtr voffset=options->get(sql_offset_name)) { | String sql_default_name(SQL_DEFAULT_NAME); |
| valid_options++; | String sql_distinct_name(SQL_DISTINCT_NAME); |
| if(voffset->is_string()) { | String table_reverse_name(TABLE_REVERSE_NAME); |
| StringPtr soffset=voffset->get_string(&pool); | |
| if(*soffset == "cur") | // local defines |
| offset=source.current(); | |
| else | #define COLUMN_SEPARATOR_NAME "separator" |
| throw Exception("parser.runtime", | #define COLUMN_ENCLOSER_NAME "encloser" |
| soffset, | |
| "must be 'cur' string or expression"); | |
| } else | // methods |
| offset=r.process_to_value(voffset)->as_int(); | |
| } | static Table::Action_options get_action_options(Request& r, MethodParams& params, |
| if(ValuePtr vlimit=options->get(sql_limit_name)) { | const Table& source) { |
| valid_options++; | Table::Action_options result; |
| limit=r.process_to_value(vlimit)->as_int(); | if(!params.count()) |
| } | return result; |
| if(valid_options!=options->count()) | |
| 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", | throw Exception("parser.runtime", |
| method_name, | &soffset, |
| "called with invalid option"); | "must be 'cur' string or expression"); |
| } else | } else |
| throw Exception("parser.runtime", | result.offset=r.process_to_value(*voffset).as_int(); |
| method_name, | } |
| "options must be hash"); | if(Value* vlimit=options->get(sql_limit_name)) { |
| valid_options++; | |
| result.limit=r.process_to_value(*vlimit).as_int(); | |
| } | } |
| if(!limit) // zero limit = sould be 'nothing to copy', for methods zero means 'all' | if(Value *vreverse=(Value *)options->get(table_reverse_name)) { |
| limit=-1; // thus fixing | 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, StringPtr method_name, MethodParams& params) { | static void _create(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | |
| // clone/copy part? | // clone/copy part? |
| if(const Table *source=params[0]->get_table()) { | if(Table *source=params[0].get_table()) { |
| int offset, limit; | Table::Action_options o=get_action_options(r, params, *source); |
| get_copy_options(r, method_name, params, 1, *source, | check_option_param(o.defined, params, 1, |
| offset, limit); | "too many parameters"); |
| GET_SELF(r, VTable).set_table(TablePtr(new Table(*source, offset, limit))); | GET_SELF(r, VTable).set_table(*new Table(*source, o)); |
| return; | return; |
| } | } |
| // data is last parameter | // data is last parameter |
| Temp_lang temp_lang(r, String::UL_PASS_APPENDED); | Temp_lang temp_lang(r, String::L_PASS_APPENDED); |
| StringPtr 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(params.count()-1, "body must be code")); |
| size_t pos_after=0; | |
| // parse columns | // parse columns |
| size_t raw_pos_after=0; | |
| Table::columns_type columns; | Table::columns_type columns; |
| if(params.count()==2) { | if(params.count()==2) { |
| columns=Table::columns_type(0); // nameless | columns=Table::columns_type(0); // nameless |
| Line 106 static void _create(Request& r, StringPt | Line 149 static void _create(Request& r, StringPt |
| columns=Table::columns_type(new ArrayString); | columns=Table::columns_type(new ArrayString); |
| ArrayString head; | ArrayString head; |
| data->split(head, &pos_after, "\n", 1, String::UL_AS_IS, 1); | data.split(head, raw_pos_after, "\n", String::L_AS_IS, 1); |
| if(head.count()) | if(head.count()) { |
| head[0]->split(*columns, 0, "\t", 1, String::UL_AS_IS); | size_t col_pos_after=0; |
| head[0]->split(*columns, col_pos_after, "\t", String::L_AS_IS); | |
| } | |
| } | } |
| TablePtr table(new Table(method_name, columns)); | Table& table=*new Table(columns); |
| // parse cells | // parse cells |
| ArrayString rows; | ArrayString rows; |
| data->split(rows, &pos_after, "\n", 1, String::UL_AS_IS); | data.split(rows, raw_pos_after, "\n", String::L_AS_IS); |
| Array_iterator<StringPtr> i(rows); | Array_iterator<const String*> i(rows); |
| while(i.has_next()) { | while(i.has_next()) { |
| Table::element_type row(new ArrayString); | Table::element_type row(new ArrayString); |
| StringPtr string=i.next(); | const String& string=*i.next(); |
| // remove comment lines | // remove comment lines |
| if(!string->size()) | if(!string.length()) |
| continue; | continue; |
| string->split(*row, 0, "\t", 1, String::UL_AS_IS); | 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 |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| static void _load(Request& r, StringPtr method_name, MethodParams& params) { | struct lsplit_result { |
| Pool& pool=r.pool(); | char* piece; |
| StringPtr first_param=params.as_string(0, "file name must be string"); | 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; | |
| } | |
| } | |
| } | |
| 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(); | |
| } | |
| } | |
| }; | |
| static void _load(Request& r, MethodParams& params) { | |
| 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++; |
| int 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(pool, r.charsets.source(), | 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(method_name):0 | options |
| ); | ); |
| // parse columns | // parse columns |
| Table::columns_type columns; | Table::columns_type columns; |
| #ifndef NO_STRING_ORIGIN | |
| const String_fragment::Origin& origin=method_name->origin(); | |
| const char* file=origin.file; | |
| uint line=origin.line; | |
| #endif | |
| if(nameless) { | 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); |
| 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; |
| StringPtr name(new String); | |
| name->APPEND_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++); | |
| *columns+=name; | |
| } while(row_chars); | |
| break; | |
| } | } |
| } | } |
| Table& table=*new Table(columns); | |
| // parse cells | // parse cells |
| TablePtr table(new Table(method_name, columns)); | Table::element_type row(new ArrayString); |
| char *row_chars; | skip_empty_and_comment_lines(&data); |
| while(row_chars=getrow(&data)) { | while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { |
| // remove empty&comment lines | if(!sr.delim && !row->count()) // append last empty column [if without \n] |
| if(!*row_chars || *row_chars == '#') | break; |
| continue; | *row+=new String(sr.piece, 0, true); |
| Table::element_type row(new ArrayString); | if(sr.delim=='\n') { |
| while(char *cell_chars=lsplit(&row_chars, '\t')) { | table+=row; |
| StringPtr cell(new String); | row=new ArrayString; |
| cell->APPEND_TAINTED(cell_chars, 0, file, line); | skip_empty_and_comment_lines(&data); |
| *row+=cell; | |
| } | } |
| #ifndef NO_STRING_ORIGIN | } |
| line++; | // last line [if without \n] |
| #endif | 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" | static void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { |
| static void _save(Request& r, StringPtr method_name, MethodParams& params) { | if(encloser) { |
| Pool& pool=r.pool(); | to<<*sencloser; |
| ValuePtr vfile_name=params.as_no_junction(params.count()-1, | // while we have 'encloser'... |
| "file name must not be code"); | 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); | |
| } | |
| Table& table=GET_SELF(r, VTable).table(method_name); | |
| 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 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()) { | |
| 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; | 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 |
| Array_iterator<StringPtr> 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::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.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=(char *)pool.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); |
| } else { // mode specified | |
| StringPtr 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<ArrayStringPtr> i(table); | Array_iterator<ArrayString*> i(table); |
| while(i.has_next()) { | while(i.has_next()) { |
| Array_iterator<StringPtr> c(*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 ); |
| if(StringPtr s=c.next()) | |
| sdata.append(*s, 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(r.absolute(vfile_name->as_string(&pool)), | file_write(r.absolute(file_name), |
| sdata.cstr(), sdata.size(), true, do_append); | sdata.cstr(), sdata.length(), true, do_append); |
| } | } |
| static void _count(Request& r, StringPtr method_name, MethodParams& ) { | static void _count(Request& r, MethodParams&) { |
| int result=GET_SELF(r, VTable).table(method_name).count(); | int result=GET_SELF(r, VTable).table().count(); |
| r.write_no_lang(ValuePtr(new VInt(result))); | r.write_no_lang(*new VInt(result)); |
| } | } |
| static void _line(Request& r, StringPtr method_name, MethodParams& ) { | static void _line(Request& r, MethodParams&) { |
| int result=1+GET_SELF(r, VTable).table(method_name).current(); | int result=1+GET_SELF(r, VTable).table().current(); |
| r.write_no_lang(ValuePtr(new VInt(result))); | r.write_no_lang(*new VInt(result)); |
| } | } |
| static void _offset(Request& r, StringPtr method_name, MethodParams& params) { | static void _offset(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Table& table=GET_SELF(r, VTable).table(); |
| Table& table=GET_SELF(r, VTable).table(method_name); | |
| if(params.count()) { | if(params.count()) { |
| bool absolute=false; | bool absolute=false; |
| if(params.count()>1) { | if(params.count()>1) { |
| StringPtr whence=params.as_string(0, "whence must be string"); | const String& whence=params.as_string(0, "whence must be string"); |
| if(*whence=="cur") | if(whence=="cur") |
| absolute=false; | absolute=false; |
| 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'"); |
| } | } |
| ValuePtr offset_expr=params.as_junction(params.count()-1, "offset must be expression"); | Value& offset_expr=params.as_junction(params.count()-1, "offset must be expression"); |
| table.offset(absolute, r.process_to_value(offset_expr)->as_int()); | table.offset(absolute, r.process_to_value(offset_expr).as_int()); |
| } else | } else |
| r.write_no_lang(ValuePtr(new VInt(table.current()))); | r.write_no_lang(*new VInt(table.current())); |
| } | } |
| static void _menu(Request& r, StringPtr method_name, MethodParams& params) { | static void _menu(Request& r, MethodParams& params) { |
| ValuePtr body_code=params.as_junction(0, "body must be code"); | Value& body_code=params.as_junction(0, "body must be code"); |
| ValuePtr delim_maybe_code=params.count()>1?params[1]:ValuePtr(0); | Value* delim_maybe_code=params.count()>1?¶ms[1]:0; |
| Table& table=GET_SELF(r, VTable).table(method_name); | Table& table=GET_SELF(r, VTable).table(); |
| bool need_delim=false; | bool need_delim=false; |
| int saved_current=table.current(); | int saved_current=table.current(); |
| int size=table.count(); | int size=table.count(); |
| Line 303 static void _menu(Request& r, StringPtr | Line 495 static void _menu(Request& r, StringPtr |
| table.set_current(row); | table.set_current(row); |
| StringOrValue sv_processed=r.process(body_code); | StringOrValue sv_processed=r.process(body_code); |
| StringPtr s_processed=sv_processed.get_string(); | const String* s_processed=sv_processed.get_string(); |
| if(delim_maybe_code && s_processed && s_processed->size()) { // 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? |
| r.write_pass_lang(r.process(delim_maybe_code)); | r.write_pass_lang(r.process(*delim_maybe_code)); |
| need_delim=true; | need_delim=true; |
| } | } |
| r.write_pass_lang(sv_processed); | r.write_pass_lang(sv_processed); |
| Line 315 static void _menu(Request& r, StringPtr | Line 507 static void _menu(Request& r, StringPtr |
| } | } |
| #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; |
| ValuePtr key_code; | Value* key_code; |
| int key_field; | size_t key_field; |
| Array<int>* value_fields; | Array<int>* value_fields; |
| HashStringValue* hash; | HashStringValue* hash; |
| bool distinct; | Table2hash_distint distinct; |
| int row; | size_t row; |
| }; | }; |
| #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) { |
| Pool& pool=info->r->pool(); | const String* key; |
| StringPtr key; | |
| if(info->key_code) { | if(info->key_code) { |
| 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(&pool); | key=&sv_processed.as_string(); |
| } else | } else |
| key=info->key_field<row->count()?row->get(info->key_field):StringPtr(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] |
| VHashPtr vhash(new VHash); | switch(info->distinct) { |
| HashStringValue& hash=vhash->hash(); | case D_ILLEGAL: case D_FIRST: |
| for(int i=0; i<info->value_fields->count(); i++) { | { |
| int value_field=info->value_fields->get(i); | VHash* vhash=new VHash; |
| if(value_field<row->count()) | HashStringValue& hash=vhash->hash(); |
| hash.put( | for(Array_iterator<int> i(*info->value_fields); i.has_next(); ) { |
| info->table->columns()->get(value_field), | size_t value_field=i.next(); |
| ValuePtr(new VString(row->get(value_field)))); | 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->hash->put_dont_replace(*key, vhash)) // put. existed? |
| if(!info->distinct) | if(info->distinct==D_ILLEGAL) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| key, | key, |
| "duplicate 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, StringPtr method_name, MethodParams& params) { | static void _hash(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Table& self_table=GET_SELF(r, VTable).table(); |
| Table& self_table=GET_SELF(r, VTable).table(method_name); | VHash& result=*new VHash; |
| VHashPtr 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) { |
| bool distinct=false; | Table2hash_distint distinct=D_ILLEGAL; |
| 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(method_name)) { | 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(ValuePtr vdistinct=options->get(sql_distinct_name)) { | if(Value* vdistinct_code=options->get(sql_distinct_name)) { |
| valid_options++; | valid_options++; |
| distinct=r.process_to_value(vdistinct)->as_bool(); | Value& vdistinct_value=r.process_to_value(*vdistinct_code); |
| if(vdistinct_value.is_string()) { | |
| const String& sdistinct=*vdistinct_value.get_string(); | |
| if(sdistinct=="tables") | |
| distinct=D_TABLES; | |
| 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()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| } | } |
| } | } |
| if(param_index==2) // bad options param type | if(param_index==2) // bad options param type |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 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) { |
| ValuePtr value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); | if(distinct!=D_ILLEGAL && distinct!=D_FIRST) |
| if(value_fields_param->is_string()) { | 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+=self_table.column_name2index( |
| value_fields_param->as_string(&pool), true); | *value_fields_param.get_string(), true); |
| } else if(Table* value_fields_table=value_fields_param->get_table()) { | } else if(Table* value_fields_table=value_fields_param.get_table()) { |
| for(int i=0; i<value_fields_table->count(); i++) { | for(Array_iterator<Table::element_type> i(*value_fields_table); |
| StringPtr value_field_name= | i.has_next(); ) { |
| value_fields_table->get(i)->get(0); | const String& value_field_name |
| value_fields+=self_table.column_name2index(value_field_name, true); | =*i.next()->get(0); |
| value_fields | |
| +=self_table.column_name2index(value_field_name, true); | |
| } | } |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "value field(s) must be string or self_table" | "value field(s) must be string or table" |
| ); | ); |
| } else { // by all columns, including key | } else { // by all columns, including key |
| for(int i=0; i<columns->count(); i++) | if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST)) |
| value_fields+=i; | for(size_t i=0; i<columns->count(); i++) |
| value_fields+=i; | |
| } | } |
| { | { |
| Row_info info; | Value* key_param=¶ms[0]; |
| info.r=&r; | Row_info info={ |
| info.table=&self_table; | &r, |
| ValuePtr key_param=params[0]; | &self_table, |
| info.key_code=key_param->get_junction()?key_param:ValuePtr(0); | /*key_code=*/key_param->get_junction()?key_param:0, |
| info.key_field=info.key_code?-1 | /*key_field=*/0/*filled below*/, |
| :self_table.column_name2index(key_param->as_string(&pool), true); | &value_fields, |
| info.value_fields=&value_fields; | &result.hash(), |
| info.hash=&result->hash(); | distinct, |
| info.distinct=distinct; | /*row=*/0 |
| }; | |
| 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); |
| Line 429 static void _hash(Request& r, StringPtr | Line 664 static void _hash(Request& r, StringPtr |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Table_seq_item { | struct Table_seq_item { |
| Table::element_type row; | ArrayString* row; |
| union { | union { |
| char *c_str; | const char *c_str; |
| double d; | double d; |
| } value; | } value; |
| }; | }; |
| Line 452 static int sort_cmp_double(const void *a | Line 687 static int sort_cmp_double(const void *a |
| else | else |
| return 0; | return 0; |
| } | } |
| static void _sort(Request& r, StringPtr method_name, MethodParams& params) { | static void _sort(Request& r, MethodParams& params) { |
| Pool local_pool; | Value& key_maker=params.as_junction(0, "key-maker must be code"); |
| ValuePtr key_maker=params.as_junction(0, "key-maker must be code"); | |
| bool reverse=params.count()>1/*..[desc|asc|]*/? | bool reverse=params.count()>1/*..[desc|asc|]*/? |
| reverse=*params.as_no_junction(1, "order must not be code")->as_string(&local_pool)=="desc": | reverse=params.as_no_junction(1, "order must not be code").as_string()=="desc": |
| false; // default=asc | false; // default=asc |
| Table& old_table=GET_SELF(r, VTable).table(method_name); | Table& old_table=GET_SELF(r, VTable).table(); |
| TablePtr new_table(new Table(method_name, old_table.columns())); | Table& new_table=*new Table(old_table.columns()); |
| smart_ptr<Table_seq_item> seq(new Table_seq_item[old_table.count()]); | 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<old_table.count(); i++) { | int old_count=old_table.count(); |
| for(i=0; i<old_count; i++) { | |
| old_table.set_current(i); | old_table.set_current(i); |
| // calculate key value | // calculate key value |
| seq[i].row=old_table[i]; | seq[i].row=old_table[i]; |
| ValuePtr value=r.process_to_value(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(); |
| if(key_values_are_strings) | if(key_values_are_strings) |
| seq[i].value.c_str=value->as_string(&local_pool)->cstr(local_pool); | seq[i].value.c_str=value.as_string().cstr(); |
| else | else |
| seq[i].value.d=value->as_double(); | seq[i].value.d=value.as_double(); |
| } | } |
| // sort keys | // sort keys |
| _qsort(seq, old_table.count(), 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<old_table.count(); i++) | for(i=0; i<old_count; i++) |
| *new_table+=seq[reverse?old_table.count()-1-i:i].row; | new_table+=Table::element_type(seq[reverse?old_count-1-i:i].row); |
| delete[] seq; | |
| // replace any previous table value | // replace any previous table value |
| GET_SELF(r, VTable).set_table(new_table); | GET_SELF(r, VTable).set_table(new_table); |
| } | } |
| static bool _locate_expression(Request& r, StringPtr method_name, MethodParams& params) { | #ifndef DOXYGEN |
| if(params.count()>1) | struct Expression_is_true_info { |
| throw Exception("parser.runtime", | Request* r; |
| method_name, | Value* expression_code; |
| "locate by expression has only one parameter - expression"); | }; |
| #endif | |
| ValuePtr expression_code=params.as_junction(0, "must be expression"); | static bool expression_is_true(Table&, Expression_is_true_info* info) { |
| return info->r->process_to_value(*info->expression_code).as_bool(); | |
| Table& table=GET_SELF(r, VTable).table(method_name); | |
| int saved_current=table.current(); | |
| int size=table.count(); | |
| for(int row=0; row<size; row++) { | |
| table.set_current(row); | |
| if(r.process_to_value(expression_code)->as_bool()) | |
| return true; | |
| } | |
| table.set_current(saved_current); | |
| return false; | |
| } | } |
| static bool _locate_name_value(Request& r, StringPtr method_name, MethodParams& params) { | static bool _locate_expression(Table& table, Table::Action_options o, |
| if(params.count()>2) | Request& r, MethodParams& params) { |
| throw Exception("parser.runtime", | check_option_param(o.defined, params, 1, |
| method_name, | "locate by expression only has parameters: expression and, maybe, options"); |
| "locate by name and value has only two parameters - name and value"); | Value& expression_code=params.as_junction(0, "must be expression"); |
| Table& table=GET_SELF(r, VTable).table(method_name); | Expression_is_true_info info={&r, &expression_code}; |
| return table.locate( | return table.table_first_that(expression_is_true, &info, o); |
| params.as_string(0, "column name must be string"), | } |
| params.as_string(1, "value must be string") | static bool _locate_name_value(Table& table, Table::Action_options o, |
| ); | Request&, 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 _locate(Request& r, StringPtr method_name, MethodParams& params) { | |
| Pool& pool=r.pool(); | |
| bool result=params[0]->get_junction()? | static void _flip(Request& r, MethodParams&) { |
| _locate_expression(r, method_name, params) : | Table& old_table=GET_SELF(r, VTable).table(); |
| _locate_name_value(r, method_name, params); | Table& new_table=*new Table(0); |
| r.write_no_lang(ValuePtr(new VBool(result))); | if(size_t old_count=old_table.count()) |
| } | if(size_t old_cols=old_table[0]->count()) |
| for(size_t column=0; column<old_cols; column++) { | |
| static void _flip(Request& r, StringPtr method_name, MethodParams& params) { | Table::element_type new_row(new ArrayString(old_count)); |
| Pool& pool=r.pool(); | for(size_t i=0; i<old_count; i++) { |
| Table& old_table=GET_SELF(r, VTable).table(method_name); | |
| TablePtr new_table(new Table(method_name, old_table.columns())); | |
| if(old_table.count()) | |
| if(int old_cols=old_table[0]->count()) | |
| for(int column=0; column<old_cols; column++) { | |
| Table::element_type new_row(new ArrayString(old_table.count())); | |
| for(int i=0; i<old_table.count(); i++) { | |
| Table::element_type old_row=old_table[i]; | Table::element_type old_row=old_table[i]; |
| *new_row+=column<old_row->count()?old_row->get(column):StringPtr(new String); | *new_row+=column<old_row->count()?old_row->get(column):new String; |
| } | } |
| *new_table+=new_row; | new_table+=new_row; |
| } | } |
| r.write_no_lang(ValuePtr(new VTable(new_table))); | r.write_no_lang(*new VTable(&new_table)); |
| } | } |
| static void _append(Request& r, StringPtr method_name, MethodParams& params) { | static void _append(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | |
| // data | // data |
| Temp_lang temp_lang(r, String::UL_PASS_APPENDED); | Temp_lang temp_lang(r, String::L_PASS_APPENDED); |
| StringPtr string=r.process_to_string(params.as_junction(0, "body must be code")); | const String& string=r.process_to_string(params.as_junction(0, "body must be code")); |
| // parse cells | // parse cells |
| ArrayStringPtr row(new ArrayString); | Table::element_type row=new ArrayString; |
| string->split(*row, 0, "\t", 1, String::UL_AS_IS); | size_t pos_after=0; |
| string.split(*row, pos_after, "\t", String::L_AS_IS); | |
| GET_SELF(r, VTable).table(method_name)+=row; | GET_SELF(r, VTable).table()+=row; |
| } | } |
| static void _join(Request& r, StringPtr 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) |
| throw Exception("parser.runtime", | 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=GET_SELF(r, VTable).table(method_name); | |
| 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) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "source and destination are same table"); | "source and destination are same table"); |
| int offset, limit; | if(dest.columns()) // dest is named |
| get_copy_options(r, method_name, params, 1, src, | src.table_for_each(join_named_row, &dest, o); |
| offset, limit); | else // dest is nameless |
| src.table_for_each(join_nameless_row, &dest, o); | |
| if(Table::columns_type dest_columns=dest.columns()) { // dest is named | |
| int saved_src_current=src.current(); | |
| int m=src.count()-offset; | |
| if(!limit || limit>m) | |
| limit=m; | |
| int end=offset+limit; | |
| for(int src_row=offset; src_row<end; src_row++) { | |
| src.set_current(src_row); | |
| Table::element_type dest_row(new ArrayString(src.count())); | |
| for(int dest_column=0; dest_column<dest_columns->count(); dest_column++) { | |
| StringPtr src_item=src.item(dest_columns->get(dest_column)); | |
| *dest_row+=src_item?src_item:StringPtr(new String); | |
| } | |
| dest+=dest_row; | |
| } | |
| src.set_current(saved_src_current); | |
| } else { // dest is nameless | |
| for(int src_row=0; src_row<src.count(); src_row++) | |
| dest+=src[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 { |
| Pool& pool; | ArrayString& columns; |
| StringPtr method_name; | |
| StringPtr statement_string; const char* statement_cstr; | |
| ArrayStringPtr columns; | |
| ArrayString* row; | ArrayString* row; |
| public: | public: |
| TablePtr table; | Table* table; |
| public: | public: |
| Table_sql_event_handlers(Pool& apool, StringPtr amethod_name, | Table_sql_event_handlers() : |
| StringPtr astatement_string, const char* astatement_cstr) : | columns(*new ArrayString), row(0), table(0) { |
| pool(apool), | } |
| method_name(amethod_name), | |
| statement_string(astatement_string), | |
| statement_cstr(astatement_cstr), | |
| columns(new ArrayString) | |
| {} | |
| bool add_column(SQL_Error& error, void *ptr, size_t size) { | bool add_column(SQL_Error& error, const char *str, size_t length) { |
| try { | try { |
| StringPtr column(new String); | columns+=new String(str, length, true); |
| column->APPEND_TAINTED( | |
| (const char* )ptr, size, | |
| statement_cstr, 0); | |
| *columns+=column; | |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_column"); | error=SQL_Error("exception occured in Table_sql_event_handlers::add_column"); |
| Line 640 public: | Line 857 public: |
| } | } |
| bool before_rows(SQL_Error& error) { | bool before_rows(SQL_Error& error) { |
| try { | try { |
| table=TablePtr(new Table( method_name, columns)); | table=new Table(&columns); |
| 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 649 public: | Line 866 public: |
| } | } |
| bool add_row(SQL_Error& error) { | bool add_row(SQL_Error& error) { |
| try { | try { |
| *table+=(ArrayStringPtr(row=new ArrayString)); | *table+=row=new ArrayString; |
| 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"); |
| return true; | return true; |
| } | } |
| } | } |
| bool add_row_cell(SQL_Error& error, void *ptr, size_t size) { | bool add_row_cell(SQL_Error& error, const char* str, size_t length) { |
| try { | try { |
| StringPtr cell(new String); | String& cell=*new String; |
| if(size) | if(length) |
| cell->APPEND_TAINTED( | cell.append_know_length(str, length, String::L_TAINTED); |
| (const char* )ptr, size, | *row+=&cell; |
| statement_cstr, table->count()-1); | |
| *row+=cell; | |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_row_cell"); | error=SQL_Error("exception occured in Table_sql_event_handlers::add_row_cell"); |
| Line 672 public: | Line 887 public: |
| } | } |
| }; | }; |
| #endif | #endif |
| static void _sql(Request& r, StringPtr 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"); |
| ValuePtr statement=params.as_junction(0, "statement must be code"); | |
| ulong limit=0; | ulong limit=0; |
| ulong offset=0; | ulong offset=0; |
| if(params.count()>1) { | if(params.count()>1) { |
| ValuePtr 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_string()) |
| if(HashStringValue* options=voptions->get_hash(method_name)) { | if(HashStringValue* options=voptions.get_hash()) { |
| int valid_options=0; | int valid_options=0; |
| if(ValuePtr 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(); |
| } | } |
| if(ValuePtr voffset=options->get(sql_offset_name)) { | if(Value* voffset=options->get(sql_offset_name)) { |
| valid_options++; | valid_options++; |
| 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", |
| method_name, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "options must be hash"); | "options must be hash"); |
| } | } |
| Temp_lang temp_lang(r, String::UL_SQL); | Temp_lang temp_lang(r, String::L_SQL); |
| StringPtr statement_string=r.process_to_string(statement); | const String& statement_string=r.process_to_string(statement); |
| const char* statement_cstr= | const char* statement_cstr= |
| statement_string->cstr(pool, String::UL_UNSPECIFIED, r.connection(method_name)); | statement_string.cstr(String::L_UNSPECIFIED, r.connection()); |
| Table_sql_event_handlers handlers(pool, method_name, | Table_sql_event_handlers handlers; |
| statement_string, statement_cstr); | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| struct timeval mt[2]; | struct timeval mt[2]; |
| //measure:before | //measure:before |
| gettimeofday(&mt[0],NULL); | gettimeofday(&mt[0],NULL); |
| #endif | #endif |
| r.connection(method_name)->query( | r.connection()->query( |
| statement_cstr, offset, limit, | statement_cstr, offset, limit, |
| handlers, | handlers, |
| statement_string); | statement_string); |
| Line 729 static void _sql(Request& r, StringPtr m | Line 941 static void _sql(Request& r, StringPtr m |
| r.sql_request_time+=t[1]-t[0]; | r.sql_request_time+=t[1]-t[0]; |
| #endif | #endif |
| TablePtr result= | Table& result= |
| handlers.table?handlers.table: // query resulted in table? return it | handlers.table?*handlers.table: // query resulted in table? return it |
| TablePtr(new Table(method_name, Table::columns_type(0))); // query returned no table, fake it | *new Table(Table::columns_type(0)); // query returned no table, fake it |
| // replace any previous table value | // replace any previous table value |
| GET_SELF(r, VTable).set_table(result); | GET_SELF(r, VTable).set_table(result); |
| } | } |
| static void _columns(Request& r, StringPtr method_name, MethodParams& ) { | static void _columns(Request& r, MethodParams&) { |
| Pool& pool=r.pool(); | |
| Table::columns_type result_columns(new ArrayString); | Table::columns_type result_columns(new ArrayString); |
| *result_columns+=StringPtr(new String("column")); | *result_columns+=new String("column"); |
| TablePtr result_table(new Table(method_name, result_columns)); | Table& result_table=*new Table(result_columns); |
| Table& source_table=GET_SELF(r, VTable).table(method_name); | Table& source_table=GET_SELF(r, VTable).table(); |
| if(Table::columns_type source_columns=source_table.columns()) { | if(Table::columns_type source_columns=source_table.columns()) { |
| Array_iterator<StringPtr> i(*source_columns); | for(Array_iterator<const String*> i(*source_columns); i.has_next(); ) { |
| while(i.has_next()) { | |
| Table::element_type result_row(new ArrayString); | Table::element_type result_row(new ArrayString); |
| *result_row+=i.next(); | *result_row+=i.next(); |
| *result_table+=result_row; | result_table+=result_row; |
| } | } |
| } | } |
| r.write_no_lang(ValuePtr(new VTable(result_table))); | r.write_no_lang(*new VTable(&result_table)); |
| } | } |
| static void _select(Request& r, StringPtr method_name, MethodParams& params) { | static void _select(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Value& vcondition=params.as_junction(0, "condition must be expression"); |
| ValuePtr vcondition=params.as_junction(0, "condition must be expression"); | |
| Table& source_table=GET_SELF(r, VTable).table(method_name); | Table& source_table=GET_SELF(r, VTable).table(); |
| TablePtr result_table(new Table( | Table& result_table=*new Table(source_table.columns()); |
| source_table.origin_string(), | |
| source_table.columns() | |
| )); | |
| int saved_current=source_table.current(); | int saved_current=source_table.current(); |
| int size=source_table.count(); | int size=source_table.count(); |
| Line 774 static void _select(Request& r, StringPt | Line 979 static void _select(Request& r, StringPt |
| 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= |
| *result_table+=source_table[row]; // =green light to go to result | result_table+=source_table[row]; // =green light to go to result |
| } | } |
| source_table.set_current(saved_current); | source_table.set_current(saved_current); |
| r.write_no_lang(ValuePtr(new VTable(result_table))); | r.write_no_lang(*new VTable(&result_table)); |
| } | } |
| // constructor | // constructor |
| Line 801 MTable::MTable(): Methoded("table") { | Line 1005 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); |
| // ^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 827 MTable::MTable(): Methoded("table") { | Line 1031 MTable::MTable(): Methoded("table") { |
| 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, 1, 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); |