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| version 1.281, 2011/05/19 06:58:40 | version 1.360, 2021/12/22 21:59:50 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b table parser class. | Parser: @b table parser class. |
| Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2020 Art. Lebedev Studio (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 * const IDENT_TABLE_C="$Date$"; | #include "pa_config_includes.h" |
| #if (!defined(NO_STRINGSTREAM) && !defined(FREEBSD4)) | #if (!defined(NO_STRINGSTREAM) && !defined(FREEBSD4) && !defined(PA_DEBUG_DISABLE_GC)) |
| #include <sstream> | #include <sstream> |
| #include "../lib/gc/include/gc_allocator.h" | |
| #define USE_STRINGSTREAM | |
| #endif | #endif |
| #include "classes.h" | #include "classes.h" |
| Line 23 static const char * const IDENT_TABLE_C= | Line 25 static const char * const IDENT_TABLE_C= |
| #include "pa_vbool.h" | #include "pa_vbool.h" |
| #include "pa_array.h" | #include "pa_array.h" |
| volatile const char * IDENT_TABLE_C="$Id$"; | |
| // class | // class |
| class MTable: public Methoded { | class MTable: public Methoded { |
| Line 34 public: | Line 38 public: |
| // global variable | // global variable |
| DECLARE_CLASS_VAR(table, new MTable, 0); | DECLARE_CLASS_VAR(table, new MTable); |
| #define TABLE_REVERSE_NAME "reverse" | |
| // globals | // globals |
| String sql_bind_name(SQL_BIND_NAME); | #define TABLE_REVERSE_NAME "reverse" |
| 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_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 |
| static Table::Action_options get_action_options(Request& r, MethodParams& params, | static Table::Action_options get_action_options(Request& r, MethodParams& params, size_t options_index, const Table& source) { |
| size_t options_index, const Table& source) { | |
| Table::Action_options result; | Table::Action_options result; |
| if(params.count() <= options_index) | if(params.count() <= options_index) |
| return result; | return result; |
| Value& maybe_options=params[options_index]; | HashStringValue* options=params.as_hash(options_index); |
| /* can not do it: | |
| want to enable ^table::create[$source; | |
| # $.option[] | |
| ] | |
| but there is ^table.locate[name;value] | |
| ...if(voptions.is_defined() && !voptions.is_string())) | |
| if(maybe_options.is_string()) { // allow empty options | |
| result.defined=true; | |
| return result; | |
| } | |
| */ | |
| HashStringValue* options=maybe_options.get_hash(); | |
| if(!options) | if(!options) |
| return result; | return result; |
| Line 85 static Table::Action_options get_action_ | Line 68 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, "must be 'cur' string or expression"); |
| &soffset, | |
| "must be 'cur' string or expression"); | |
| } else | } else |
| result.offset=r.process_to_value(*voffset).as_int(); | result.offset=r.process(*voffset).as_int(); |
| } | } |
| if(Value* vlimit=options->get(sql_limit_name)) { | if(Value* vlimit=options->get(sql_limit_name)) { |
| valid_options++; | valid_options++; |
| result.limit=r.process_to_value(*vlimit).as_int(); | result.limit=r.process(*vlimit).as_int(); |
| } | } |
| if(Value *vreverse=(Value *)options->get(table_reverse_name)) { | if(Value *vreverse=(Value *)options->get(table_reverse_name)) { |
| valid_options++; | valid_options++; |
| result.reverse=r.process_to_value(*vreverse).as_bool(); | result.reverse=r.process(*vreverse).as_bool(); |
| if(result.reverse && !defined_offset) | if(result.reverse && !defined_offset) |
| result.offset=source.count()-1; | result.offset=source.count()-1; |
| } | } |
| Line 107 static Table::Action_options get_action_ | Line 88 static Table::Action_options get_action_ |
| return result; | 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); | |
| } | |
| struct TableSeparators { | struct TableControlChars { |
| char column; const String* scolumn; | char separator; const String* sseparator; |
| char encloser; const String* sencloser; | char encloser; const String* sencloser; |
| TableSeparators(): | char separators[3]; |
| column('\t'), scolumn(new String("\t")), | |
| TableControlChars(): | |
| separator('\t'), sseparator(new String("\t")), | |
| encloser(0), sencloser(0) | encloser(0), sencloser(0) |
| {} | { |
| strcpy(separators,"\t\n"); | |
| } | |
| int load( HashStringValue& options ) { | int load( HashStringValue& options ) { |
| int result=0; | int result=0; |
| if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) { | if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) { |
| scolumn=&vseparator->as_string(); | sseparator=&vseparator->as_string(); |
| if(scolumn->length()!=1) | if(sseparator->length()!=1) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, sseparator, "separator must be one byte character"); |
| scolumn, | separator=sseparator->first_char(); |
| "separator must be one character long"); | separators[0]=separator; |
| column=scolumn->first_char(); | |
| result++; | result++; |
| } | } |
| if(Value* vencloser=options.get(PA_COLUMN_ENCLOSER_NAME)) { | if(Value* vencloser=options.get(PA_COLUMN_ENCLOSER_NAME)) { |
| sencloser=&vencloser->as_string(); | sencloser=&vencloser->as_string(); |
| if(sencloser->length()!=1) | if(sencloser->is_empty()){ |
| throw Exception(PARSER_RUNTIME, | encloser=0; |
| sencloser, | } else { |
| "encloser must be one character long"); | if(sencloser->length()!=1) |
| encloser=sencloser->first_char(); | throw Exception(PARSER_RUNTIME, sencloser, "encloser must be empty or one byte character"); |
| encloser=sencloser->first_char(); | |
| } | |
| result++; | result++; |
| } | } |
| return result; | return result; |
| } | } |
| }; | }; |
| struct lsplit_sresult { | |
| String* piece; | |
| char delim; | |
| lsplit_sresult() : piece(0), delim(0){} | |
| operator bool() { return piece!=0; } | |
| void append(String *str){ | |
| if(piece) | |
| *piece << *str; | |
| else | |
| piece = str; | |
| } | |
| }; | |
| class StringSplitHelper : public String { | |
| public: | |
| char* base; | |
| StringSplitHelper(String astring) : String(astring), base(cstrm()) {} | |
| bool check_lang(const char *pos){ | |
| return langs.check_lang(L_AS_IS, pos-base, 1); | |
| } | |
| String *extract(char *pos){ | |
| String *result=new String; | |
| if(size_t len=strlen(pos)){ | |
| // first: their langs | |
| result->langs.append(result->body, langs, pos-base, len); | |
| // next: letters themselves | |
| result->body=Body(pos); | |
| } | |
| return result; | |
| } | |
| }; | |
| inline lsplit_sresult lsplit(char* *string_ref, const char* delims, StringSplitHelper& helper) { | |
| lsplit_sresult result; | |
| if(char *pos=*string_ref) { | |
| while(pos=strpbrk(pos, delims)) { | |
| if(helper.check_lang(pos)){ | |
| result.delim=*pos; | |
| *pos=0; | |
| result.piece=helper.extract(*string_ref); | |
| *string_ref=pos+1; | |
| return result; | |
| } | |
| pos++; | |
| } | |
| result.piece=helper.extract(*string_ref); | |
| *string_ref=0; | |
| } | |
| return result; | |
| } | |
| static lsplit_sresult lsplit(char** string_ref, const char* delims, char encloser, StringSplitHelper& helper) { | |
| lsplit_sresult result; | |
| if(char *pos=*string_ref) { | |
| if(encloser && *pos==encloser && helper.check_lang(pos)) { | |
| *string_ref=++pos; | |
| // we are enclosed, searching for second encloser | |
| while(1) { | |
| if(pos=strchr(pos, encloser)){ | |
| if(helper.check_lang(pos)){ | |
| *(pos++)=0; | |
| result.append(helper.extract(*string_ref)); | |
| if(*pos==encloser && helper.check_lang(pos)){ // double-encloser stands for encloser | |
| *string_ref=pos; | |
| } else { | |
| *string_ref=pos; | |
| break; | |
| } | |
| } | |
| pos++; | |
| } else { | |
| result.append(helper.extract(*string_ref)); | |
| *string_ref=0; | |
| return result; | |
| } | |
| } | |
| // we are no longer enclosed, searching for delimiter | |
| while(pos=strpbrk(pos, delims)) { | |
| if(helper.check_lang(pos)){ | |
| result.delim=*pos; | |
| if(pos>*string_ref){ | |
| *pos=0; | |
| result.append(helper.extract(*string_ref)); | |
| } | |
| *string_ref=pos+1; | |
| return result; | |
| } | |
| pos++; | |
| } | |
| result.append(helper.extract(*string_ref)); | |
| *string_ref=0; | |
| } else | |
| return lsplit(string_ref, delims, helper); | |
| } | |
| return result; | |
| } | |
| static void skip_clean_empty_lines(char** data_ref, StringSplitHelper& helper) { | |
| if(*data_ref) { | |
| while(**data_ref == '\n' && helper.check_lang(*data_ref)) | |
| (*data_ref)++; | |
| } | |
| } | |
| 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()) { |
| Table::Action_options o=get_action_options(r, params, 1, *source); | Table::Action_options o=get_action_options(r, params, 1, *source); |
| check_option_param(o.defined, params, 1, | if(params.count()>2) |
| "too many parameters"); | throw Exception(PARSER_RUNTIME, 0, "too many parameters"); |
| GET_SELF(r, VTable).set_table(*new Table(*source, o)); | GET_SELF(r, VTable).set_table(*new Table(*source, o)); |
| return; | return; |
| } | } |
| Line 165 static void _create(Request& r, MethodPa | Line 258 static void _create(Request& r, MethodPa |
| if(params[0].is_string()){ // can be nameless only | 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"); | 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") | if(snameless!="nameless") |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, &snameless, "table::create called with more then 1 param, first param may be only 'nameless'"); |
| &snameless, | |
| "table::create called with more then 1 param, first param may be only 'nameless'"); | |
| nameless=true; | nameless=true; |
| data_param_index++; | data_param_index++; |
| } | } |
| } | } |
| HashStringValue *options=0; | HashStringValue *options=0; |
| TableSeparators separators; | TableControlChars control_chars; |
| size_t options_param_index=data_param_index+1; | size_t options_param_index=data_param_index+1; |
| if( | if( options_param_index<params.count() && (options=params.as_hash(options_param_index)) ) { |
| options_param_index<params.count() | if(control_chars.load(*options)!=options->count()) |
| && (options=params.as_no_junction(options_param_index, "additional params must be hash").get_hash()) | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| ) { | |
| // 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 | // data |
| Temp_lang temp_lang(r, String::L_PASS_APPENDED); | StringSplitHelper sdata(r.process_to_string(params.as_junction(data_param_index, "body must be table or code"))); |
| const String& data= | char *data=sdata.base; |
| r.process_to_string(params.as_junction(data_param_index, "body must be code")); | |
| // parse columns | // parse columns |
| size_t raw_pos_after=0; | |
| Table::columns_type columns; | Table::columns_type columns; |
| if(nameless) { | |
| if(nameless){ | columns=0; // nameless |
| columns=Table::columns_type(0); // nameless | |
| } else { | } else { |
| columns=Table::columns_type(new ArrayString); | columns=new ArrayString; |
| while( lsplit_sresult sr=lsplit(&data, control_chars.separators, control_chars.encloser, sdata) ) { | |
| ArrayString head; | *columns+=sr.piece; |
| data.split(head, raw_pos_after, "\n", String::L_AS_IS, 1); | if(sr.delim=='\n') |
| if(head.count()) { | break; |
| size_t col_pos_after=0; | |
| head[0]->split(*columns, col_pos_after, *separators.scolumn, String::L_AS_IS); | |
| } | } |
| } | } |
| Table& table=*new Table(columns); | Table& table=*new Table(columns); |
| // parse cells | int columns_count=columns ? columns->count(): 0; |
| ArrayString rows; | |
| data.split(rows, raw_pos_after, "\n", String::L_AS_IS); | |
| Array_iterator<const String*> i(rows); | |
| while(i.has_next()) { | |
| Table::element_type row(new ArrayString); | |
| const String& string=*i.next(); | |
| // remove comment lines | |
| if(string.is_empty()) | |
| continue; | |
| size_t col_pos_after=0; | // parse cells |
| string.split(*row, col_pos_after, *separators.scolumn, String::L_AS_IS); | Table::element_type row(new ArrayString(columns_count)); |
| table+=row; | skip_clean_empty_lines(&data, sdata); |
| while( lsplit_sresult sr=lsplit(&data, control_chars.separators, control_chars.encloser, sdata) ) { | |
| if(sr.piece->is_empty() && !sr.delim && !row->count()) // append last empty column [if without \n] | |
| break; | |
| *row+=sr.piece; | |
| if(sr.delim=='\n') { | |
| table+=row; | |
| row=new ArrayString(columns_count); | |
| skip_clean_empty_lines(&data, sdata); | |
| } | |
| } | } |
| // last line [if without \n] | |
| if(row->count()) | |
| 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); |
| } | } |
| Line 239 struct lsplit_result { | Line 318 struct lsplit_result { |
| char* piece; | char* piece; |
| char delim; | char delim; |
| lsplit_result(char *apiece=0) : piece(apiece), delim(0){} | |
| operator bool() { return piece!=0; } | operator bool() { return piece!=0; } |
| }; | }; |
| inline lsplit_result lsplit(char* string, char delim1, char delim2) { | inline lsplit_result lsplit(char* *string_ref, const char* delims) { |
| lsplit_result result; | lsplit_result result(*string_ref); |
| if(string) { | if(result.piece) { |
| char delims[]={delim1, delim2, 0}; | if(char* v=strpbrk(result.piece, delims)) { |
| if(char* v=strpbrk(string, delims)) { | |
| result.delim=*v; | result.delim=*v; |
| *v=0; | *v=0; |
| result.piece=v+1; | *string_ref=v+1; |
| return result; | return result; |
| } | } |
| *string_ref=0; | |
| } | } |
| result.piece=0; | |
| result.delim=0; | |
| return result; | |
| } | |
| inline lsplit_result lsplit(char* *string_ref, char delim1, char delim2) { | |
| lsplit_result result; | |
| result.piece=*string_ref; | |
| lsplit_result next=lsplit(*string_ref, delim1, delim2); | |
| result.delim=next.delim; | |
| *string_ref=next.piece; | |
| return result; | return result; |
| } | } |
| static lsplit_result lsplit(char** string_ref, char delim1, char delim2, char encloser) { | static lsplit_result lsplit(char** string_ref, const char* delims, char encloser) { |
| lsplit_result result; | lsplit_result result(*string_ref); |
| if(char* string=*string_ref) { | if(result.piece) { |
| if(encloser && *string==encloser) { | if(encloser && *result.piece==encloser) { |
| string++; | result.piece++; |
| char c; | |
| char *read; | char *read; |
| char *write; | char *write; |
| write=read=string; | write=read=result.piece; |
| char c; | |
| while((c=*read++)) { | // we are enclosed, searching for second encloser |
| while(c=*read++) { | |
| if(c==encloser) { | if(c==encloser) { |
| char n=*read; | if(*read==encloser) // double-encloser stands for encloser |
| if(n==encloser) // double-encloser stands for encloser | |
| read++; | |
| else if(n==delim1 || n==delim2) { | |
| result.delim=n; | |
| read++; | read++; |
| break; | else |
| } | break; // note: skipping encloser |
| } | } |
| *write++=c; | *write++=c; |
| } | } |
| // we are no longer enclosed, searching for delimiter | |
| while(c=*read++) { | |
| if(c==delims[0] || c==delims[1]) { | |
| result.delim=c; | |
| break; | |
| } else | |
| *write++=c; | |
| } | |
| *write=0; // terminate | *write=0; // terminate |
| *string_ref=c? read: 0; | *string_ref=c ? read : 0; |
| result.piece=string; | |
| return result; | return result; |
| } else | } else |
| return lsplit(string_ref, delim1, delim2); | return lsplit(string_ref, delims); |
| } | } |
| result.piece=0; | |
| return result; | return result; |
| } | } |
| static void skip_empty_and_comment_lines( char** data_ref ) { | static void skip_empty_and_comment_lines( char** data_ref ) { |
| if(char *data=*data_ref) { | while(*data_ref) { |
| while( char c=*data ) { | if(**data_ref == '\n'){ |
| if( c== '\n' || c == '#' ) { | (*data_ref)++; |
| /*nowhere=*/getrow(&data); // remove empty&comment lines | } else { |
| if(!(*data_ref=data)) | if(**data_ref == '#' ) |
| break; | /*nowhere=*/getrow(data_ref); |
| continue; | else |
| } | break; |
| break; | |
| } | } |
| } | } |
| } | } |
| static void skip_empty_lines( char** data_ref ) { | static void skip_empty_lines( char** data_ref ) { |
| if(char *data=*data_ref) { | if(*data_ref) { |
| while( char c=*data ) { | while(**data_ref == '\n') |
| if( c== '\n' ) { | (*data_ref)++; |
| /*nowhere=*/getrow(&data); // remove empty lines | |
| if(!(*data_ref=data)) | |
| break; | |
| continue; | |
| } | |
| break; | |
| } | |
| } | } |
| } | } |
| Line 342 static void _load(Request& r, MethodPara | Line 408 static void _load(Request& r, MethodPara |
| size_t options_param_index=filename_param_index+1; | size_t options_param_index=filename_param_index+1; |
| HashStringValue *options=0; | HashStringValue *options=0; |
| TableSeparators separators; | TableControlChars control_chars; |
| if(options_param_index<params.count() | if(options_param_index<params.count() && (options=params.as_hash(options_param_index))) |
| && (options=params.as_no_junction(options_param_index, "additional params must be hash").get_hash())) { | control_chars.load(*options); |
| // 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_load_text(r, | char *data=file_load_text(r, r.full_disk_path(params.as_string(filename_param_index, FILE_NAME_MUST_BE_STRING)), true, options); |
| r.absolute(params.as_string(filename_param_index, FILE_NAME_MUST_BE_STRING)), | |
| true, | |
| options | |
| ); | |
| Skip_lines_action skip_lines_action = (separators.column=='#' || separators.encloser=='#') ? skip_empty_lines : skip_empty_and_comment_lines; | Skip_lines_action skip_lines_action = (control_chars.separator=='#' || control_chars.encloser=='#') ? skip_empty_lines : skip_empty_and_comment_lines; |
| // parse columns | // parse columns |
| Table::columns_type columns; | Table::columns_type columns; |
| if(nameless) { | if(nameless) { |
| columns=Table::columns_type(0); // nameless | columns=0; // nameless |
| } else { | } else { |
| columns=Table::columns_type(new ArrayString); | columns=new ArrayString; |
| skip_lines_action(&data); | skip_lines_action(&data); |
| while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { | while( lsplit_result sr=lsplit(&data, control_chars.separators, control_chars.encloser) ) { |
| *columns+=new String(sr.piece, String::L_TAINTED); | *columns+=new String(sr.piece, String::L_TAINTED); |
| if(sr.delim=='\n') | if(sr.delim=='\n') |
| break; | break; |
| Line 375 static void _load(Request& r, MethodPara | Line 433 static void _load(Request& r, MethodPara |
| } | } |
| Table& table=*new Table(columns); | Table& table=*new Table(columns); |
| int columns_count=columns? columns->count(): 0; | int columns_count=columns ? columns->count(): 0; |
| // parse cells | // parse cells |
| Table::element_type row(new ArrayString(columns_count)); | Table::element_type row(new ArrayString(columns_count)); |
| skip_lines_action(&data); | skip_lines_action(&data); |
| while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { | while( lsplit_result sr=lsplit(&data, control_chars.separators, control_chars.encloser) ) { |
| if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n] | if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n] |
| break; | break; |
| *row+=new String(sr.piece, String::L_TAINTED); | *row+=new String(sr.piece, String::L_TAINTED); |
| Line 398 static void _load(Request& r, MethodPara | Line 456 static void _load(Request& r, MethodPara |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| #if (!defined(NO_STRINGSTREAM) && !defined(FREEBSD4)) | #ifdef USE_STRINGSTREAM |
| #include "gc_allocator.h" | |
| typedef std::basic_stringstream<char, std::char_traits<char>, gc_allocator<char> > pa_stringstream; | typedef std::basic_stringstream<char, std::char_traits<char>, gc_allocator<char> > pa_stringstream; |
| typedef std::basic_string<char, std::char_traits<char>, gc_allocator<char> > pa_string; | typedef std::basic_string<char, std::char_traits<char>, gc_allocator<char> > pa_string; |
| void maybe_enclose( pa_stringstream& to, const String& from, char encloser ) { | static void enclose( pa_stringstream& to, const String* from, char encloser ) { |
| if(encloser) { | if(from){ |
| to<<encloser; | to<<encloser; |
| // while we have 'encloser'... | // while we have 'encloser'... |
| size_t pos_after=0; | size_t pos_after=0; |
| for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) { | 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) | pos_before++; // including first encloser (and skipping it for next pos) |
| to<<from.mid(pos_after, pos_before).cstr(); | to<<from->mid(pos_after, pos_before).cstr(); |
| to<<encloser; // doubling encloser | to<<encloser; // doubling encloser |
| } | } |
| // last piece | // last piece |
| size_t from_length=from.length(); | size_t from_length=from->length(); |
| if(pos_after<from_length) | if(pos_after<from_length) |
| to<<from.mid(pos_after, from_length).cstr(); | to<<from->mid(pos_after, from_length).cstr(); |
| to<<encloser; | to<<encloser; |
| } else | } else { |
| to<<from.cstr(); | to<<encloser<<encloser; |
| } | |
| } | |
| static void table_to_csv(pa_stringstream& result, Table& table, TableControlChars& control_chars, bool output_column_names) { | |
| if(output_column_names) { | |
| if(table.columns()) { // named table | |
| if(control_chars.encloser){ | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| enclose( result, i.next(), control_chars.encloser ); | |
| if(i.has_next()) | |
| result<<control_chars.separator; | |
| } | |
| } else { | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| result<<i.next()->cstr(); | |
| if(i.has_next()) | |
| result<<control_chars.separator; | |
| } | |
| } | |
| } 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(control_chars.encloser) { | |
| result<<control_chars.encloser<<column<<control_chars.encloser; | |
| } else { | |
| result<<column; | |
| } | |
| if(column<lsize-1){ | |
| result<<control_chars.separator; | |
| } | |
| } | |
| else | |
| result<<"empty nameless table"; | |
| } | |
| result<<'\n'; | |
| } | |
| // process data lines | |
| Array_iterator<ArrayString*> i(table); | |
| if(control_chars.encloser){ | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| enclose( result, c.next(), control_chars.encloser ); | |
| if(c.has_next()) | |
| result<<control_chars.separator; | |
| } | |
| result<<'\n'; | |
| } | |
| } else { | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| result<<c.next()->cstr(); | |
| if(c.has_next()) | |
| result<<control_chars.separator; | |
| } | |
| result<<'\n'; | |
| } | |
| } | |
| } | } |
| #else | #else |
| void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { | void enclose( String& to, const String* from, char encloser, const String* sencloser ) { |
| if(encloser) { | if(from){ |
| to<<*sencloser; | to<<*sencloser; |
| // while we have 'encloser'... | // while we have 'encloser'... |
| size_t pos_after=0; | size_t pos_after=0; |
| for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) { | 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) | pos_before++; // including first encloser (and skipping it for next pos) |
| to<<from.mid(pos_after, pos_before); | to<<from->mid(pos_after, pos_before); |
| to<<*sencloser; // doubling encloser | to<<*sencloser; // doubling encloser |
| } | } |
| // last piece | // last piece |
| size_t from_length=from.length(); | size_t from_length=from->length(); |
| if(pos_after<from_length) | if(pos_after<from_length) |
| to<<from.mid(pos_after, from_length); | to<<from->mid(pos_after, from_length); |
| to<<*sencloser; | to<<*sencloser; |
| } else | } else { |
| to<<from; | to<<*sencloser<<*sencloser; |
| } | |
| } | } |
| static void table_to_csv(String& result, Table& table, TableControlChars& control_chars, bool output_column_names) { | |
| if(output_column_names) { | |
| if(table.columns()) { // named table | |
| if(control_chars.encloser) { | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| enclose( result, i.next(), control_chars.encloser, control_chars.sencloser ); | |
| if(i.has_next()) | |
| result<<*control_chars.sseparator; | |
| } | |
| } else { | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| result<<*i.next(); | |
| if(i.has_next()) | |
| result<<*control_chars.sseparator; | |
| } | |
| } | |
| } 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(control_chars.encloser) { | |
| result<<*control_chars.sencloser<<String::Body::Format(column)<<*control_chars.sencloser; | |
| } else { | |
| result<<String::Body::Format(column); | |
| } | |
| if(column<lsize-1){ | |
| result<<*control_chars.sseparator; | |
| } | |
| } | |
| else | |
| result.append_help_length("empty nameless table", 0, String::L_CLEAN); | |
| } | |
| result.append_know_length("\n", 1, String::L_CLEAN); | |
| } | |
| // data lines | |
| Array_iterator<ArrayString*> i(table); | |
| if(control_chars.encloser){ | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| enclose( result, c.next(), control_chars.encloser, control_chars.sencloser ); | |
| if(c.has_next()) | |
| result<<*control_chars.sseparator; | |
| } | |
| result.append_know_length("\n", 1, String::L_CLEAN); | |
| } | |
| } else { | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| result<<*c.next(); | |
| if(c.has_next()) | |
| result<<*control_chars.sseparator; | |
| } | |
| result.append_know_length("\n", 1, String::L_CLEAN); | |
| } | |
| } | |
| } | |
| #endif // don't use stringstream | #endif // don't use stringstream |
| static void _save(Request& r, MethodParams& params) { | static void _save(Request& r, MethodParams& params) { |
| const String& first_arg=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE); | const String& first_arg=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE); |
| size_t param_index=1; | size_t param_index=1; |
| Line 465 static void _save(Request& r, MethodPara | Line 635 static void _save(Request& r, MethodPara |
| --param_index; | --param_index; |
| const String& file_name=params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE); | const String& file_name=params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE); |
| String file_spec=r.absolute(file_name); | String file_spec=r.full_disk_path(file_name); |
| if(do_append && file_exist(file_spec)) | if(do_append && file_exist(file_spec)) |
| output_column_names=false; | output_column_names=false; |
| TableSeparators separators; | TableControlChars control_chars; |
| if(param_index<params.count()) | if(param_index<params.count()) |
| if(HashStringValue* options=params.as_hash(param_index++, | if(HashStringValue* options=params.as_hash(param_index++)) { |
| "additional params must be hash", | int valid_options=control_chars.load(*options); |
| "additional params must be hash (did you spell mode parameter correctly?)" | |
| )) { | |
| int valid_options=separators.load(*options); | |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| } | } |
| if(param_index<params.count()) | if(param_index<params.count()) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "bad mode (must be nameless or append)"); |
| 0, | |
| "bad mode (must be nameless or append)"); | |
| Table& table=GET_SELF(r, VTable).table(); | Table& table=GET_SELF(r, VTable).table(); |
| #if (!defined(NO_STRINGSTREAM) && !defined(FREEBSD4)) | #ifdef USE_STRINGSTREAM |
| pa_stringstream ost(std::stringstream::out); | pa_stringstream ost(std::stringstream::out); |
| // process header | table_to_csv(ost, table, control_chars, output_column_names); |
| 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 | // write |
| { | |
| pa_string data=ost.str(); | pa_string data=ost.str(); |
| const char* data_cstr=data.c_str(); | const char* data_cstr=data.c_str(); |
| file_write(r.charsets, file_spec, data_cstr, data.length(), true /* as text */, do_append); | file_write(r.charsets, file_spec, data_cstr, data.length(), true /* as text */, do_append); |
| } | |
| #else | #else |
| String sdata; | String sdata; |
| if(output_column_names) { | |
| if(table.columns()) { // named table | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| maybe_enclose( sdata, *i.next(), separators.encloser, separators.sencloser ); | |
| if(i.has_next()) | |
| sdata<<*separators.scolumn; | |
| } | |
| } 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++) { | |
| char *cindex_tab=new(PointerFreeGC) char[MAX_NUMBER]; | |
| sdata.append_know_length(cindex_tab, | |
| snprintf(cindex_tab, MAX_NUMBER, | |
| column<lsize-1?"%d%c":"%d", column, separators.column), | |
| String::L_CLEAN); | |
| } | |
| else | |
| sdata.append_help_length("empty nameless table", 0, String::L_CLEAN); | |
| } | |
| sdata.append_know_length("\n", 1, String::L_CLEAN); | |
| } | |
| // data lines | table_to_csv(sdata, table, control_chars, output_column_names); |
| Array_iterator<ArrayString*> i(table); | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| maybe_enclose( sdata, *c.next(), separators.encloser, separators.sencloser ); | |
| if(c.has_next()) | |
| sdata<<*separators.scolumn; | |
| } | |
| sdata.append_know_length("\n", 1, String::L_CLEAN); | |
| } | |
| // write | // write |
| { | |
| const char* data_cstr=sdata.cstr(); | const char* data_cstr=sdata.cstr(); |
| file_write(r.charsets, file_spec, data_cstr, sdata.length(), true, do_append); | file_write(r.charsets, file_spec, data_cstr, sdata.length(), true /* as text */, do_append); |
| if(*data_cstr) // not empty (when empty it's not heap memory) | if(*data_cstr) // not empty (when empty it's not heap memory) |
| pa_free((void*)data_cstr); // not needed anymore | pa_free((void*)data_cstr); // not needed anymore |
| #endif | |
| } | |
| static void _csv_string(Request& r, MethodParams& params) { | |
| bool output_column_names=true; | |
| size_t param_index=0; | |
| if(params.count()>0 && params[0].is_string()) { | |
| if(params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE)=="nameless") { | |
| output_column_names=false; | |
| param_index++; | |
| } else { | |
| throw Exception(PARSER_RUNTIME, 0, "bad mode (must be nameless)"); | |
| } | |
| } | } |
| #endif // don't use stringstream | TableControlChars control_chars; |
| if(param_index<params.count()) | |
| if(HashStringValue* options=params.as_hash(param_index++)) { | |
| int valid_options=control_chars.load(*options); | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| Table& table=GET_SELF(r, VTable).table(); | |
| #ifdef USE_STRINGSTREAM | |
| pa_stringstream ost(std::stringstream::out); | |
| table_to_csv(ost, table, control_chars, output_column_names); | |
| r.write(*new VString(*new String(pa_strdup(ost.str().c_str()), String::L_CLEAN))); | |
| #else | |
| String sdata; | |
| table_to_csv(sdata, table, control_chars, output_column_names); | |
| r.write(*new VString(*new String(sdata.cstr(), String::L_CLEAN))); | |
| #endif | |
| } | } |
| static void _count(Request& r, MethodParams& params) { | static void _count(Request& r, MethodParams& params) { |
| Line 591 static void _count(Request& r, MethodPar | Line 718 static void _count(Request& r, MethodPar |
| if(params.count()) { | if(params.count()) { |
| const String& param=params.as_string(0, PARAMETER_MUST_BE_STRING); | const String& param=params.as_string(0, PARAMETER_MUST_BE_STRING); |
| if(param == "columns") | if(param == "columns") |
| result = table.columns() ? table.columns()->count() : 0; | result = table.columns() ? table.columns()->count() : table.max_cells(); |
| else if(param == "cells") | else if(param == "cells") |
| result = table.count() ? table[table.current()]->count() : 0; | result = table.count() ? table[table.current()]->count() : 0; |
| else if(param == "rows") // synonim for ^table.count[] | else if(param == "rows") // synonim for ^table.count[] |
| Line 601 static void _count(Request& r, MethodPar | Line 728 static void _count(Request& r, MethodPar |
| } else | } else |
| result = table.count(); | result = table.count(); |
| r.write_no_lang(*new VInt(result)); | r.write(*new VInt(result)); |
| } | } |
| static void _line(Request& r, MethodParams&) { | static void _line(Request& r, MethodParams&) { |
| int result=1+GET_SELF(r, VTable).table().current(); | int result=1+GET_SELF(r, VTable).table().current(); |
| r.write_no_lang(*new VInt(result)); | r.write(*new VInt(result)); |
| } | } |
| static void _offset(Request& r, MethodParams& params) { | static void _offset(Request& r, MethodParams& params) { |
| Line 620 static void _offset(Request& r, MethodPa | Line 747 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, "is invalid whence, valid are 'cur' or 'set'"); |
| &whence, | |
| "is invalid whence, valid are 'cur' or 'set'"); | |
| } | } |
| int offset=params.as_int(params.count()-1, "offset must be expression", r); | int offset=params.as_int(params.count()-1, "offset must be expression", r); |
| table.offset(absolute, offset); | table.offset(absolute, offset); |
| } else | } else |
| r.write_no_lang(*new VInt(table.current())); | r.write(*new VInt(table.current())); |
| } | } |
| static void _menu(Request& r, MethodParams& params) { | static void _menu(Request& r, MethodParams& params) { |
| Line 639 static void _menu(Request& r, MethodPara | Line 764 static void _menu(Request& r, MethodPara |
| Value* delim_maybe_code=params.count()>1?¶ms[1]:0; | Value* delim_maybe_code=params.count()>1?¶ms[1]:0; |
| Table& table=GET_SELF(r, VTable).table(); | Table& table=GET_SELF(r, VTable).table(); |
| int saved_current=table.current(); | size_t saved_current=table.current(); |
| int size=table.count(); | |
| if(delim_maybe_code) { // delimiter set | if(delim_maybe_code) { // delimiter set |
| bool need_delim=false; | bool need_delim=false; |
| for(int row=0; row<size; row++) { | for(size_t row=0; row<table.count(); row++) { |
| table.set_current(row); | table.set_current(row); |
| StringOrValue sv_processed=r.process(body_code); | Value& sv_processed=r.process(body_code); |
| Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); | TempSkip4Delimiter skip(r); |
| const String* s_processed=sv_processed.get_string(); | const String* s_processed=sv_processed.get_string(); |
| if(s_processed && !s_processed->is_empty()) { // we have body | if(s_processed && !s_processed->is_empty()) { // 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(r.process(*delim_maybe_code)); |
| else | else |
| need_delim=true; | need_delim=true; |
| } | } |
| r.write_pass_lang(sv_processed); | r.write(sv_processed); |
| if(lskip==Request::SKIP_BREAK) | if(skip.check_break()) |
| break; | break; |
| } | } |
| } else { | } else { |
| for(int row=0; row<size; row++) { | for(size_t row=0; row<table.count(); row++) { |
| table.set_current(row); | table.set_current(row); |
| r.process_write(body_code); | r.process_write(body_code); |
| Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); | |
| if(lskip==Request::SKIP_BREAK) | if(r.check_skip_break()) |
| break; | break; |
| } | } |
| } | } |
| Line 684 struct Row_info { | Line 807 struct Row_info { |
| Value* key_code; | Value* key_code; |
| size_t key_field; | size_t key_field; |
| Array<int>* value_fields; | Array<int>* value_fields; |
| Value* value_code; | |
| HashStringValue* hash; | HashStringValue* hash; |
| Table2hash_distint distinct; | Table2hash_distint distinct; |
| size_t row; | size_t row; |
| Line 694 static void table_row_to_hash(Table::ele | Line 818 static void table_row_to_hash(Table::ele |
| const String* key; | const String* 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); | Value& 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) |
| Line 706 static void table_row_to_hash(Table::ele | Line 830 static void table_row_to_hash(Table::ele |
| bool exist=false; | bool exist=false; |
| switch(info->value_type) { | switch(info->value_type) { |
| case C_STRING: { | case C_STRING: { |
| size_t index=info->value_fields->get(0); | if(info->value_fields->count()){ |
| exist=info->hash->put_dont_replace(*key, (index < row->count()) ? new VString(*row->get(index)) : new VString()); | size_t index=info->value_fields->get(0); |
| exist=info->hash->put_dont_replace(*key, (index < row->count()) ? new VString(*row->get(index)) : VString::empty()); | |
| } else { | |
| exist=info->hash->put_dont_replace(*key, VString::empty()); | |
| } | |
| break; | break; |
| } | } |
| case C_HASH: { | case C_HASH: { |
| VHash* vhash=new VHash; | VHash* vhash=new VHash; |
| HashStringValue& hash=vhash->hash(); | HashStringValue& hash=vhash->hash(); |
| for(Array_iterator<int> i(*info->value_fields); i.has_next(); ) { | Table::columns_type columns=info->table->columns(); |
| size_t value_field=i.next(); | if(info->value_fields){ // selected fields (can be empty) |
| if(value_field<row->count()) | for(Array_iterator<int> i(*info->value_fields); i.has_next(); ) { |
| hash.put( | size_t value_field=i.next(); |
| *info->table->columns()->get(value_field), | if(value_field<row->count()) |
| new VString(*row->get(value_field))); | hash.put(columns ? *columns->get(value_field) : String(format(value_field, 0)), new VString(*row->get(value_field))); |
| } | |
| } else { // all fields | |
| for(size_t index=0; index<row->count(); index++) { | |
| hash.put(columns && index < columns->count() ? *columns->get(index) : String(format(index, 0)), new VString(*row->get(index))); | |
| } | |
| } | } |
| exist=info->hash->put_dont_replace(*key, vhash); | exist=info->hash->put_dont_replace(*key, vhash); |
| break; | break; |
| } | } |
| Line 739 static void table_row_to_hash(Table::ele | Line 871 static void table_row_to_hash(Table::ele |
| table=new Table(*info->table, table_options/*no rows, just structure*/); | table=new Table(*info->table, table_options/*no rows, just structure*/); |
| info->hash->put(*key, new VTable(table)); | info->hash->put(*key, new VTable(table)); |
| } | } |
| *table+=row; | Table::element_type row_copy(new ArrayString(row->count())); |
| row_copy->append(*row); | |
| *table+=row_copy; | |
| break; | |
| } | |
| case C_CODE: { | |
| if(!info->key_code) | |
| info->table->set_current(info->row++); // change context row | |
| exist=info->hash->put_dont_replace(*key, &info->r->process(*info->value_code)); | |
| break; | break; |
| } | } |
| } | } |
| if(exist && info->distinct==D_ILLEGAL) | if(exist && info->distinct==D_ILLEGAL) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, key, "duplicate key"); |
| key, | |
| "duplicate key"); | |
| } | } |
| Table2hash_value_type get_value_type(Value& vvalue_type){ | Table2hash_value_type get_value_type(Value& vvalue_type){ |
| Line 759 Table2hash_value_type get_value_type(Val | Line 897 Table2hash_value_type get_value_type(Val |
| } else if (svalue_type == "hash") { | } else if (svalue_type == "hash") { |
| return C_HASH; | return C_HASH; |
| } else { | } else { |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, &svalue_type, "must be 'hash', 'table' or 'string'"); |
| &svalue_type, | |
| "must be 'hash', 'table' or 'string'"); | |
| } | } |
| } else { | } else { |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "'type' must be string"); |
| 0, | |
| "'type' must be hash"); | |
| } | } |
| } | } |
| static Table2hash_distint get_distinct(Value& vdistinct, Table2hash_value_type& value_type){ | |
| if(vdistinct.is_string()) { | |
| const String& sdistinct=*vdistinct.get_string(); | |
| if(sdistinct!="tables") | |
| throw Exception(PARSER_RUNTIME, &sdistinct, "must be 'tables' or true/false"); | |
| value_type=C_TABLE; | |
| return D_FIRST; | |
| } | |
| return vdistinct.as_bool() ? D_FIRST : D_ILLEGAL; | |
| } | |
| 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(columns->count()>0) { | |
| Table2hash_distint distinct=D_ILLEGAL; | |
| Table2hash_value_type value_type=C_HASH; | |
| int param_index=params.count()-1; | |
| if(param_index>0) { | |
| if(HashStringValue* options=params.as_no_junction(param_index, PARAM_MUST_NOT_BE_CODE).get_hash()){ // options where specified | |
| --param_index; | |
| int valid_options=0; | |
| if(Value* vdistinct_code=options->get(sql_distinct_name)) { // $.distinct ? | |
| valid_options++; | |
| Value& vdistinct_value=r.process_to_value(*vdistinct_code); | |
| if(vdistinct_value.is_string()) { | |
| const String& sdistinct=*vdistinct_value.get_string(); | |
| if(sdistinct=="tables") { | |
| value_type=C_TABLE; | |
| distinct=D_FIRST; | |
| } else { | |
| throw Exception(PARSER_RUNTIME, | |
| &sdistinct, | |
| "must be 'tables' or true/false"); | |
| } | |
| } else { | |
| 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++; | Table2hash_distint distinct=D_ILLEGAL; |
| value_type=get_value_type(r.process_to_value(*vvalue_type_code)); | Table2hash_value_type value_type=C_HASH; |
| } | |
| if(valid_options!=options->count()) | int param_index=params.count()-1; |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | if(param_index>0) { |
| } | if(params[1].get_junction()) |
| value_type=C_CODE; | |
| if(HashStringValue* options=params[param_index].get_hash()){ // can't use .as_hash because the 2nd param could be table so .as_hash throws an error | |
| --param_index; | |
| int valid_options=0; | |
| if(Value* vdistinct_code=options->get(sql_distinct_name)) { // $.distinct ? | |
| valid_options++; | |
| distinct=get_distinct(r.process(*vdistinct_code), value_type); | |
| } | |
| 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"); | |
| if(value_type==C_CODE) | |
| throw Exception(PARSER_RUNTIME, 0, "you can't specify $.type[] if value is code"); | |
| valid_options++; | |
| value_type=get_value_type(r.process(*vvalue_type_code)); | |
| } | } |
| if(param_index==2) // options was specified but not as hash | if(valid_options!=options->count()) |
| throw Exception(PARSER_RUNTIME, 0, OPTIONS_MUST_BE_HASH); | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| } | |
| } | |
| Array<int> value_fields; | if(param_index==2) // options were specified but not as hash |
| if(param_index==0){ // list of columns wasn't specified | throw Exception(PARSER_RUNTIME, 0, "options must be hash"); |
| if(value_type==C_STRING) // $.type[string] | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "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"); | |
| if(value_fields_param.is_string()) { // one column as string was specified | |
| value_fields+=self_table.column_name2index(*value_fields_param.get_string(), true); | |
| } else if(Table* value_fields_table=value_fields_param.get_table()) { // list of columns were specified in table | |
| for(Array_iterator<Table::element_type> i(*value_fields_table); i.has_next(); ) { | |
| const String& value_field_name =*i.next()->get(0); | |
| value_fields +=self_table.column_name2index(value_field_name, true); | |
| } | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "value field(s) must be string or table"); | |
| } | |
| 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]"); | |
| { | |
| Value* key_param=¶ms[0]; | |
| Row_info info={ | |
| &r, | |
| &self_table, | |
| /*key_code=*/key_param->get_junction()?key_param:0, | |
| /*key_field=*/0/*filled below*/, | |
| &value_fields, | |
| &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(); | |
| self_table.for_each(table_row_to_hash, &info); | |
| self_table.set_current(saved_current); | |
| result.extract_default(); | bool value_all=false; |
| Array<int> value_fields; | |
| Value* value_code=0; | |
| if(param_index==0){ // list of columns wasn't specified | |
| if(value_type==C_STRING) | |
| throw Exception(PARSER_RUNTIME, 0, "you must specify one value field with option $.type[string]"); | |
| value_all=true; // all columns, including key | |
| } else { // list of columns or code 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[1]; | |
| if(value_fields_param.get_junction()){ // code specified | |
| value_code=&value_fields_param; | |
| } else if(value_fields_param.is_string()) { // one column as string was specified | |
| const String &field_name=*value_fields_param.get_string(); | |
| if(!field_name.is_empty()) | |
| value_fields+=self_table.column_name2index(field_name, true); | |
| } else if(Table* value_fields_table=value_fields_param.get_table()) { // list of columns were specified in table | |
| for(Array_iterator<Table::element_type> i(*value_fields_table); i.has_next(); ) { | |
| const String& value_field_name =*i.next()->get(0); | |
| value_fields +=self_table.column_name2index(value_field_name, true); | |
| } | } |
| } | } else |
| throw Exception(PARSER_RUNTIME, 0, "value field(s) must be string or table or code"); | |
| if(value_type==C_STRING && value_fields.count()>1) | |
| throw Exception(PARSER_RUNTIME, 0, "you can't specify more then one value field with option $.type[string]"); | |
| } | } |
| r.write_no_lang(result); | |
| Value* key_param=¶ms[0]; | |
| Row_info info={ | |
| &r, | |
| &self_table, | |
| /*key_code=*/key_param->get_junction() ? key_param : 0, | |
| /*key_field=*/0/*filled below*/, | |
| value_all ? NULL : &value_fields, | |
| value_code, | |
| &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(); | |
| self_table.for_each(table_row_to_hash, &info); | |
| self_table.set_current(saved_current); | |
| result.extract_default(); | |
| r.write(result); | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Table_seq_item { | struct Table_seq_item : public PA_Allocated { |
| ArrayString* row; | ArrayString* row; |
| union { | union { |
| const char *c_str; | const char *c_str; |
| Line 907 static int sort_cmp_double(const void *a | Line 1035 static int sort_cmp_double(const void *a |
| static void _sort(Request& r, MethodParams& params) { | static void _sort(Request& r, MethodParams& params) { |
| Value& key_maker=params.as_junction(0, "key-maker must be code"); | Value& key_maker=params.as_junction(0, "key-maker must be code"); |
| bool reverse=params.count()>1/*..[desc|asc|]*/? | bool reverse=params.count()>1 /*..[desc|asc|]*/ && params.as_no_junction(1, "order must not be code").as_string()=="desc"; // default=asc |
| reverse=params.as_no_junction(1, "order must not be code").as_string()=="desc": | |
| false; // default=asc | |
| Table& old_table=GET_SELF(r, VTable).table(); | Table& old_table=GET_SELF(r, VTable).table(); |
| Table& new_table=*new Table(old_table.columns()); | Table& new_table=*new Table(old_table.columns()); |
| Table_seq_item* seq=new(PointerFreeGC) Table_seq_item[old_table.count()]; | Table_seq_item* seq=new Table_seq_item[old_table.count()]; |
| int i; | int i; |
| // calculate key values | // calculate key values |
| Line 924 static void _sort(Request& r, MethodPara | Line 1050 static void _sort(Request& r, MethodPara |
| 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]; |
| Value& value=r.process_to_value(key_maker).as_expr_result(true/*return string as-is*/); | Value& value=r.process(key_maker); |
| 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().cstr(); | seq[i].value.c_str=value.as_string().cstr(); |
| else | else |
| seq[i].value.d=value.as_double(); | seq[i].value.d=value.as_expr_result().as_double(); |
| } | } |
| // @todo: handle this elsewhere | // @todo: handle this elsewhere |
| if(r.charsets.source().NAME()=="KOI8-R" && key_values_are_strings) { | if(r.charsets.source().NAME()=="KOI8-R" && key_values_are_strings) { |
| for(i=0; i<old_count; i++) | for(i=0; i<old_count; i++) |
| if(*seq[i].value.c_str) | if(*seq[i].value.c_str) |
| seq[i].value.c_str=Charset::transcode(seq[i].value.c_str, r.charsets.source(), UTF8_charset).cstr(); | seq[i].value.c_str=Charset::transcode(seq[i].value.c_str, r.charsets.source(), pa_UTF8_charset).cstr(); |
| } | } |
| // sort keys | // sort keys |
| _qsort(seq, old_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_count; i++) | for(i=0; i<old_count; i++) |
| Line 963 struct Expression_is_true_info { | Line 1088 struct Expression_is_true_info { |
| #endif | #endif |
| static bool expression_is_true(Table&, Expression_is_true_info* info) { | static bool expression_is_true(Table&, Expression_is_true_info* info) { |
| return info->r->process_to_value(*info->expression_code).as_bool(); | return info->r->process(*info->expression_code).as_bool(); |
| } | } |
| static bool _locate_expression(Table& table, Request& r, MethodParams& params) { | static bool _locate_expression(Table& table, Request& r, MethodParams& params) { |
| Value& expression_code=params.as_junction(0, "must be expression"); | Value& expression_code=params.as_junction(0, "must be expression"); |
| const size_t options_index=1; | Table::Action_options o=get_action_options(r, params, 1, table); |
| Table::Action_options o=get_action_options(r, params, options_index, table); | if(params.count()>2) |
| check_option_param(o.defined, params, options_index, "locate by expression only has parameters: expression and, maybe, options"); | throw Exception(PARSER_RUNTIME, 0, "locate by expression only has parameters: expression and, maybe, options"); |
| Expression_is_true_info info={&r, &expression_code}; | Expression_is_true_info info={&r, &expression_code}; |
| return table.table_first_that(expression_is_true, &info, o); | return table.table_first_that(expression_is_true, &info, o); |
| } | } |
| Line 979 static bool _locate_expression(Table& ta | Line 1103 static bool _locate_expression(Table& ta |
| static bool _locate_name_value(Table& table, Request& r, MethodParams& params) { | static bool _locate_name_value(Table& table, Request& r, MethodParams& params) { |
| 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); |
| const size_t options_index=2; | Table::Action_options o=get_action_options(r, params, 2, table); |
| Table::Action_options o=get_action_options(r, params, options_index, table); | |
| check_option_param(o.defined, params, options_index, "locate by name has parameters: name, value and, maybe, options"); | |
| 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) { |
| Table& table=GET_SELF(r, VTable).table(); | Table& table=GET_SELF(r, VTable).table(); |
| bool result=params[0].get_junction()? | bool result=params[0].get_junction() || (params.count() == 1) ? |
| _locate_expression(table, r, params) : | _locate_expression(table, r, params) : |
| _locate_name_value(table, r, params); | _locate_name_value(table, r, params); |
| r.write_no_lang(VBool::get(result)); | r.write(VBool::get(result)); |
| } | } |
| Line 1000 static void _flip(Request& r, MethodPara | Line 1121 static void _flip(Request& r, MethodPara |
| 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()) |
| if(size_t old_cols=old_table.columns()?old_table.columns()->count():old_table[0]->count()) | if(size_t old_cols=old_table.columns()?old_table.columns()->count():old_table.max_cells()) |
| for(size_t column=0; column<old_cols; column++) { | for(size_t column=0; column<old_cols; column++) { |
| Table::element_type new_row(new ArrayString(old_count)); | Table::element_type new_row(new ArrayString(old_count)); |
| for(size_t i=0; i<old_count; i++) { | for(size_t i=0; i<old_count; i++) { |
| Line 1010 static void _flip(Request& r, MethodPara | Line 1131 static void _flip(Request& r, MethodPara |
| new_table+=new_row; | new_table+=new_row; |
| } | } |
| r.write_no_lang(*new VTable(&new_table)); | r.write(*new VTable(&new_table)); |
| } | } |
| static void _append(Request& r, MethodParams& params) { | static void _foreach(Request& r, MethodParams& params) { |
| Temp_lang temp_lang(r, String::L_PASS_APPENDED); | InCycle temp(r); |
| const String& string=r.process_to_string(params[0]); | |
| const String* rownum_var_name=¶ms.as_string(0, "rownum-var name must be string"); | |
| const String* value_var_name=¶ms.as_string(1, "value-var name must be string"); | |
| Value& body_code=params.as_junction(2, "body must be code"); | |
| Value* delim_maybe_code=params.count()>3?¶ms[3]:0; | |
| Table& table=GET_SELF(r, VTable).table(); | |
| size_t saved_current=table.current(); | |
| rownum_var_name=rownum_var_name->is_empty()? 0 : rownum_var_name; | |
| value_var_name=value_var_name->is_empty()? 0 : value_var_name; | |
| Value* var_context=r.get_method_frame()->caller(); | |
| if(delim_maybe_code) { // delimiter set | |
| bool need_delim=false; | |
| for(size_t row=0; row<table.count(); row++) { | |
| table.set_current(row); | |
| if(rownum_var_name) | |
| r.put_element(*var_context, *rownum_var_name, new VString(*new String(String::Body::Format(row), String::L_CLEAN))); | |
| if(value_var_name) | |
| r.put_element(*var_context, *value_var_name, new VTable(&table)); | |
| Value& sv_processed=r.process(body_code); | |
| TempSkip4Delimiter skip(r); | |
| const String* s_processed=sv_processed.get_string(); | |
| if(s_processed && !s_processed->is_empty()) { // we have body | |
| if(need_delim) // need delim & iteration produced string? | |
| r.write(r.process(*delim_maybe_code)); | |
| else | |
| need_delim=true; | |
| } | |
| r.write(sv_processed); | |
| if(skip.check_break()) | |
| break; | |
| } | |
| } else { | |
| for(size_t row=0; row<table.count(); row++) { | |
| table.set_current(row); | |
| if(rownum_var_name) | |
| r.put_element(*var_context, *rownum_var_name, new VString(*new String(String::Body::Format(row), String::L_CLEAN))); | |
| if(value_var_name) | |
| r.put_element(*var_context, *value_var_name, new VTable(&table)); | |
| r.process_write(body_code); | |
| if(r.check_skip_break()) | |
| break; | |
| } | |
| } | |
| table.set_current(saved_current); | |
| } | |
| static void update_cell(HashStringValue::key_type aname, HashStringValue::value_type avalue, VTable *dest) { | |
| dest->put_element(String(aname, String::L_CLEAN), avalue); // new not required | |
| } | |
| inline Table::element_type row_from_string(Request& r, Value ¶m){ | |
| if(!param.is_string() && !param.get_junction()) | |
| throw Exception(PARSER_RUNTIME, 0, "row must be string, code or hash"); | |
| const String& string=r.process_to_string(param); | |
| // parse cells | // parse cells |
| Table::element_type row=new ArrayString; | Table::element_type row=new ArrayString; |
| size_t pos_after=0; | string.split(*row, 0, "\t", String::L_AS_IS); |
| string.split(*row, pos_after, "\t", String::L_AS_IS); | |
| GET_SELF(r, VTable).table()+=row; | return row; |
| } | |
| static void _append(Request& r, MethodParams& params) { | |
| VTable vtable=GET_SELF(r, VTable); | |
| Table& table=vtable.table(); | |
| HashStringValue* hash=params[0].get_hash(); | |
| if(hash){ | |
| table+=new ArrayString(); | |
| size_t saved_current=table.current(); | |
| table.set_current(table.count()-1); | |
| hash->for_each<VTable*>(update_cell, &vtable); | |
| table.set_current(saved_current); | |
| } else { | |
| table+=row_from_string(r, params[0]); | |
| } | |
| } | |
| static void _insert(Request& r, MethodParams& params) { | |
| VTable vtable=GET_SELF(r, VTable); | |
| Table& table=vtable.table(); | |
| HashStringValue* hash=params[0].get_hash(); | |
| if(hash){ | |
| table.insert(table.current(), new ArrayString()); | |
| hash->for_each<VTable*>(update_cell, &vtable); | |
| } else { | |
| table.insert(table.current(), row_from_string(r, params[0])); | |
| } | |
| } | |
| static void _delete(Request& r, MethodParams&) { | |
| Table& table=GET_SELF(r, VTable).table(); | |
| table.remove_current(); | |
| } | } |
| static void join_named_row(Table& src, Table* dest) { | static void join_named_row(Table& src, Table* dest) { |
| Line 1039 static void join_nameless_row(Table& src | Line 1260 static void join_nameless_row(Table& src |
| *dest+=src[src.current()]; | *dest+=src[src.current()]; |
| } | } |
| 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(); | if(Table* src=params.as_table(0, "source")){ |
| if(!maybe_src) | Table::Action_options o=get_action_options(r, params, 1, *src); |
| throw Exception(PARSER_RUNTIME, | |
| 0, | Table& dest=GET_SELF(r, VTable).table(); |
| "source is not a table"); | if(src == &dest) |
| Table& src=*maybe_src; | throw Exception(PARSER_RUNTIME, 0, "source and destination are same table"); |
| Table::Action_options o=get_action_options(r, params, 1, src); | if(dest.columns()) // dest is named |
| check_option_param(o.defined, params, 1, | src->table_for_each(join_named_row, &dest, o); |
| "invalid extra parameter"); | else // dest is nameless |
| src->table_for_each(join_nameless_row, &dest, o); | |
| Table& dest=GET_SELF(r, VTable).table(); | } |
| if(&src == &dest) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "source and destination are same table"); | |
| if(dest.columns()) // dest is named | |
| src.table_for_each(join_named_row, &dest, o); | |
| else // dest is nameless | |
| src.table_for_each(join_nameless_row, &dest, o); | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 1079 public: | Line 1291 public: |
| columns+=new String(str, String::L_TAINTED /* no length as 0x00 can be inside */); | columns+=new String(str, String::L_TAINTED /* no length as 0x00 can be inside */); |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_column"); | error=SQL_Error("exception occurred in Table_sql_event_handlers::add_column"); |
| return true; | return true; |
| } | } |
| } | } |
| bool before_rows(SQL_Error& error) { | bool before_rows(SQL_Error& error) { |
| if(table) { | |
| error=SQL_Error("result must contain exactly one table"); | |
| return true; | |
| } | |
| try { | try { |
| table=new Table(&columns); | table=new Table(&columns); |
| columns_count=columns.count(); | 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 occurred in Table_sql_event_handlers::before_rows"); |
| return true; | return true; |
| } | } |
| } | } |
| Line 1098 public: | Line 1314 public: |
| *table+=row=new ArrayString(columns_count); | *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 occurred in Table_sql_event_handlers::add_row"); |
| return true; | return true; |
| } | } |
| } | } |
| bool add_row_cell(SQL_Error& error, const char* str, size_t ) { | bool add_row_cell(SQL_Error& error, const char* str, size_t ) { |
| try { | try { |
| *row+=new String(str, String::L_TAINTED /* no length as 0x00 can be inside */); | *row+=str?new String(str, String::L_TAINTED /* no length as 0x00 can be inside */):&String::Empty; |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_row_cell"); | error=SQL_Error("exception occurred in Table_sql_event_handlers::add_row_cell"); |
| return true; | return true; |
| } | } |
| } | } |
| }; | }; |
| #endif | #endif |
| static void marshal_bind( | static void marshal_bind( HashStringValue::key_type aname, HashStringValue::value_type avalue, SQL_Driver::Placeholder** pptr) { |
| HashStringValue::key_type aname, | |
| HashStringValue::value_type avalue, | |
| SQL_Driver::Placeholder** pptr) | |
| { | |
| SQL_Driver::Placeholder& ph=**pptr; | SQL_Driver::Placeholder& ph=**pptr; |
| ph.name=aname.cstr(); | ph.name=aname.cstr(); |
| ph.value=avalue->as_string().untaint_cstr(String::L_AS_IS); | ph.value=avalue->as_string().untaint_cstr(String::L_AS_IS); |
| Line 1131 static void marshal_bind( | Line 1343 static void marshal_bind( |
| // not static, used elsewhere | // not static, used elsewhere |
| int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders) { | int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders) { |
| int hash_count=hash.count(); | int hash_count=hash.count(); |
| placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count]; | placeholders=new(PointerGC) SQL_Driver::Placeholder[hash_count]; |
| SQL_Driver::Placeholder* ptr=placeholders; | SQL_Driver::Placeholder* ptr=placeholders; |
| hash.for_each<SQL_Driver::Placeholder**>(marshal_bind, &ptr); | hash.for_each<SQL_Driver::Placeholder**>(marshal_bind, &ptr); |
| return hash_count; | return hash_count; |
| Line 1158 static void _sql(Request& r, MethodParam | Line 1370 static void _sql(Request& r, MethodParam |
| ulong limit=SQL_NO_LIMIT; | ulong limit=SQL_NO_LIMIT; |
| ulong offset=0; | ulong offset=0; |
| if(params.count()>1) | if(params.count()>1) |
| if(HashStringValue* options=params.as_hash(1)) { | if(HashStringValue* options=params.as_hash(1, "sql options")) { |
| int valid_options=0; | int valid_options=0; |
| if(Value* vbind=options->get(sql_bind_name)) { | if(Value* vbind=options->get(sql_bind_name)) { |
| valid_options++; | valid_options++; |
| Line 1166 static void _sql(Request& r, MethodParam | Line 1378 static void _sql(Request& r, MethodParam |
| } | } |
| 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(*vlimit).as_double(); |
| } | } |
| if(Value* 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(*voffset).as_double(); |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| Line 1181 static void _sql(Request& r, MethodParam | Line 1393 static void _sql(Request& r, MethodParam |
| if(bind) | if(bind) |
| placeholders_count=marshal_binds(*bind, placeholders); | placeholders_count=marshal_binds(*bind, placeholders); |
| 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=statement_string.untaint_cstr(r.flang, r.connection()); | const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection()); |
| Table_sql_event_handlers handlers; | Table_sql_event_handlers handlers; |
| #ifdef RESOURCES_DEBUG | |
| struct timeval mt[2]; | |
| //measure:before | |
| gettimeofday(&mt[0],NULL); | |
| #endif | |
| r.connection()->query( | r.connection()->query( |
| statement_cstr, | statement_cstr, |
| placeholders_count, placeholders, | placeholders_count, placeholders, |
| Line 1198 static void _sql(Request& r, MethodParam | Line 1405 static void _sql(Request& r, MethodParam |
| handlers, | handlers, |
| statement_string); | statement_string); |
| #ifdef RESOURCES_DEBUG | |
| //measure:after connect | |
| gettimeofday(&mt[1],NULL); | |
| double t[2]; | |
| for(int i=0;i<2;i++) | |
| t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0; | |
| r.sql_request_time+=t[1]-t[0]; | |
| #endif | |
| if(bind) | if(bind) |
| unmarshal_bind_updates(*bind, placeholders_count, placeholders); | unmarshal_bind_updates(*bind, placeholders_count, placeholders); |
| Line 1240 static void _columns(Request& r, MethodP | Line 1436 static void _columns(Request& r, MethodP |
| } | } |
| } | } |
| r.write_no_lang(*new VTable(&result_table)); | r.write(*new VTable(&result_table)); |
| } | } |
| static void _select(Request& r, MethodParams& params) { | static void _select(Request& r, MethodParams& params) { |
| InCycle temp(r); | |
| Value& vcondition=params.as_expression(0, "condition must be number, bool or 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(); |
| int limit=source_table.count(); | int limit=source_table.count(); |
| int offset = 0; | int offset=0; |
| bool reverse = false; | bool reverse=false; |
| if(params.count()>1) | if(params.count()>1) |
| if(HashStringValue* options=params.as_hash(1)) { | if(HashStringValue* options=params.as_hash(1)) { |
| int valid_options=0; | int valid_options=0; |
| if(Value* vlimit=options->get(sql_limit_name)) { | if(Value* vlimit=options->get(sql_limit_name)) { |
| valid_options++; | valid_options++; |
| limit=r.process_to_value(*vlimit).as_int(); | limit=r.process(*vlimit).as_int(); |
| } | } |
| if(Value* voffset=options->get(sql_offset_name)) { | if(Value* voffset=options->get(sql_offset_name)) { |
| valid_options++; | valid_options++; |
| offset=r.process_to_value(*voffset).as_int(); | offset=r.process(*voffset).as_int(); |
| } | } |
| if(Value* vreverse=options->get(table_reverse_name)) { | if(Value* vreverse=options->get(table_reverse_name)) { |
| valid_options++; | valid_options++; |
| reverse=r.process_to_value(*vreverse).as_bool(); | reverse=r.process(*vreverse).as_bool(); |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| 0, | |
| "called with invalid option"); | |
| } | } |
| Table& result_table=*new Table(source_table.columns()); | Table& result_table=*new Table(source_table.columns()); |
| int saved_current=source_table.current(); | size_t size=source_table.count(); |
| int size=source_table.count(); | if(offset<0) |
| int appended = 0; | offset+=size; |
| if(size && limit>0 && offset>=0 && (size_t)offset<size){ | |
| if(reverse){ | size_t saved_current=source_table.current(); |
| for(int row=size-1; row >=0 && result_table.count() < limit; row--) { | size_t appended=0; |
| source_table.set_current(row); | |
| if(reverse){ | |
| for(size_t row=size-1; result_table.count() < (size_t)limit; row--) { | |
| source_table.set_current(row); | |
| bool condition=r.process_to_value(vcondition, false/*don't intercept string*/).as_bool(); | bool condition=r.process(vcondition).as_bool(); |
| if(condition && ++appended > offset) // ...condition is true, adding to the result | if(r.check_skip_break()) |
| result_table+=source_table[row]; | break; |
| } | |
| } else { | if(condition && ++appended > (size_t)offset) // ...condition is true, adding to the result |
| for(int row=0; row < size && result_table.count() < limit; row++) { | result_table+=source_table[row]; |
| source_table.set_current(row); | if(row==0) break; |
| } | |
| } else { | |
| for(size_t row=0; row < size && result_table.count() < (size_t)limit; row++) { | |
| source_table.set_current(row); | |
| bool condition=r.process(vcondition).as_bool(); | |
| bool condition=r.process_to_value(vcondition, false/*don't intercept string*/).as_bool(); | if(r.check_skip_break()) |
| break; | |
| if(condition && ++appended > offset) // ...condition is true, adding to the result | if(condition && ++appended > (size_t)offset) // ...condition is true, adding to the result |
| result_table+=source_table[row]; | result_table+=source_table[row]; |
| } | |
| } | } |
| source_table.set_current(saved_current); | |
| } | } |
| source_table.set_current(saved_current); | |
| r.write_no_lang(*new VTable(&result_table)); | r.write(*new VTable(&result_table)); |
| } | |
| static void _rename(Request& r, MethodParams& params) { | |
| const String* name_from=NULL; | |
| const String* name_to=NULL; | |
| HashStringValue* names=NULL; | |
| if(params.count()>1){ | |
| name_from=¶ms.as_string(0, COLUMN_NAME_MUST_BE_STRING); | |
| name_to=¶ms.as_string(1, COLUMN_NAME_MUST_BE_STRING); | |
| } else | |
| names=params.as_hash(0); | |
| Table& table=GET_SELF(r, VTable).table(); | |
| if(Table::columns_type columns=table.columns()) { | |
| if(names){ | |
| for(int i=0; i<columns->count(); i++) { | |
| const String *column = columns->get(i); | |
| if(Value* vto=names->get(*column)){ | |
| if(const String *sto=vto->get_string()) | |
| columns->put(i, sto); | |
| else | |
| throw Exception(PARSER_RUNTIME, column, COLUMN_NAME_MUST_BE_STRING); | |
| } | |
| } | |
| } else if(name_from){ | |
| for(int i=0; i<columns->count(); i++) { | |
| const String *column = columns->get(i); | |
| if(*column == *name_from) | |
| columns->put(i, name_to); | |
| } | |
| } | |
| table.column_names_init(); | |
| } else | |
| throw Exception(PARSER_RUNTIME, 0, "columns renaming is not supported for nameless tables"); | |
| } | } |
| // constructor | // constructor |
| Line 1323 MTable::MTable(): Methoded("table") { | Line 1565 MTable::MTable(): Methoded("table") { |
| // add_native_method("save_old", Method::CT_DYNAMIC, _save_old, 1, 3); | // add_native_method("save_old", Method::CT_DYNAMIC, _save_old, 1, 3); |
| // ^table.csv-string[] | |
| // ^table.csv-string[nameless] | |
| // ^table.csv-string[nameless;$.encloser["] $.separator[,]] | |
| add_native_method("csv-string", Method::CT_DYNAMIC, _csv_string, 0, 2); | |
| // ^table.count[] | // ^table.count[] |
| // ^table.count[rows] | // ^table.count[rows] |
| // ^table.count[columns] | // ^table.count[columns] |
| Line 1355 MTable::MTable(): Methoded("table") { | Line 1602 MTable::MTable(): Methoded("table") { |
| // ^table.flip[] | // ^table.flip[] |
| add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0); | add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0); |
| // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d} | // ^table.foreach[row-num;value]{code} |
| // ^table.foreach[row-num;value]{code}[delim] | |
| add_native_method("foreach", Method::CT_DYNAMIC, _foreach, 3, 4); | |
| // ^table.append{row{tab}data} | |
| add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); | add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); |
| // ^table.insert{row{tab}data} before current row | |
| add_native_method("insert", Method::CT_DYNAMIC, _insert, 1, 1); | |
| // ^table.delete[] current row | |
| add_native_method("delete", Method::CT_DYNAMIC, _delete, 0, 0); | |
| // ^table.join[table][$.limit(10) $.offset(1) $.offset[cur] ] | // ^table.join[table][$.limit(10) $.offset(1) $.offset[cur] ] |
| add_native_method("join", Method::CT_DYNAMIC, _join, 1, 2); | add_native_method("join", Method::CT_DYNAMIC, _join, 1, 2); |
| Line 1371 MTable::MTable(): Methoded("table") { | Line 1628 MTable::MTable(): Methoded("table") { |
| // ^table.select(expression) = table | // ^table.select(expression) = table |
| add_native_method("select", Method::CT_DYNAMIC, _select, 1, 2); | add_native_method("select", Method::CT_DYNAMIC, _select, 1, 2); |
| // ^table.rename[column name from;column name to] | |
| // ^table.rename[ $.[column name from][column name to] ... ] | |
| add_native_method("rename", Method::CT_DYNAMIC, _rename, 1, 2); | |
| } | } |