|
|
| version 1.53.2.10.2.5, 2003/04/02 08:49:58 | version 1.62, 2007/04/23 10:30:32 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: table class. | Parser: table class. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char* IDENT_TABLE_C="$Date$"; | static const char * const IDENT_TABLE_C="$Date$"; |
| #include "pa_table.h" | #include "pa_table.h" |
| #include "pa_exception.h" | #include "pa_exception.h" |
| Table::Table(columns_type acolumns, int initial_rows): | Table::Table(columns_type acolumns, size_t initial_rows): |
| Array<element_type>(initial_rows), | Array<element_type>(initial_rows), |
| fcurrent(0), | fcurrent(0), |
| Line 19 Table::Table(columns_type acolumns, int | Line 19 Table::Table(columns_type acolumns, int |
| name2number(new name2number_hash_class) { | name2number(new name2number_hash_class) { |
| if(fcolumns) { | if(fcolumns) { |
| size_t fcolumns_count=fcolumns->count(); | |
| size_t number=1; | size_t number=1; |
| for(Array_iterator<const String*> i(*fcolumns); i.has_next(); ) { | for(Array_iterator<const String*> i(*fcolumns); i.has_next(); ) { |
| const String& name=*i.next(); | const String& name=*i.next(); |
| Line 28 Table::Table(columns_type acolumns, int | Line 27 Table::Table(columns_type acolumns, int |
| } | } |
| } | } |
| Table::Table(const Table& src, int offset, int limit) : | Table::Table(const Table& src, Action_options& options) : |
| Array<element_type>(limit/*may be more than needed, no harm done*/), | Array<element_type>(options.limit==ARRAY_OPTION_LIMIT_ALL?0:options.limit/*may be more than needed, no harm done*/), |
| fcurrent(0), | fcurrent(0), |
| fcolumns(src.fcolumns), | fcolumns(src.fcolumns), |
| name2number(src.name2number) { | name2number(src.name2number) { |
| append(src, offset, limit); | append(src, options.offset, options.limit, options.reverse); |
| } | } |
| int Table::column_name2index(const String& column_name, bool bark) const { | int Table::column_name2index(const String& column_name, bool bark) const { |
| if(fcolumns) {// named | if(fcolumns) {// named |
| int result=name2number->get(column_name)-1; // -1 = column not found | int result=name2number->get(column_name)-1; // -1 = column not found |
| if(bark && result<0) | if(bark && result<0) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &column_name, | &column_name, |
| "column not found"); | "column not found"); |
| return result; | return result; |
| Line 53 int Table::column_name2index(const Strin | Line 52 int Table::column_name2index(const Strin |
| const String* Table::item(size_t column) { | const String* Table::item(size_t column) { |
| if(valid(fcurrent)) { | if(valid(fcurrent)) { |
| element_type row=get(fcurrent); | element_type row=get(fcurrent); |
| if(column>=0 && column<row->count()) // proper index? | if(column<row->count()) // proper index? |
| return row->get(column); | return row->get(column); |
| } | } |
| return 0; // it's OK we don't have row|column, just return nothing | return 0; // it's OK we don't have row|column, just return nothing |
| } | } |
| bool Table::locate(size_t column, const String& value) { | #ifndef DOXYGEN |
| size_t scurrent=fcurrent; | struct Locate_int_string_info { |
| size_t lcount=count(); | int column; |
| for(fcurrent=0; fcurrent<lcount; fcurrent++) { | const String* value; |
| const String* item_value=item(column); | }; |
| if(*item_value == value) | #endif |
| return true; | bool locate_int_string(Table& self, Locate_int_string_info* info) { |
| } | const String *item_value=self.item(info->column); |
| return item_value && *item_value==*info->value; | |
| fcurrent=scurrent; | } |
| return false; | |
| } | bool Table::locate(int column, const String& value, |
| Table::Action_options& options) { | |
| bool Table::locate(const String& column, const String& value) { | Locate_int_string_info info={column, &value}; |
| return locate(column_name2index(column, true), value); | return table_first_that(locate_int_string, &info, options); |
| } | |
| bool Table::locate(const String& column, const String& value, | |
| Table::Action_options& options) { | |
| return locate(column_name2index(column, true), value, options); | |
| } | } |
| void Table::offset(bool absolute, int offset) { | void Table::offset(bool absolute, int offset) { |