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Diff for /parser3/src/include/pa_table.h between versions 1.36 and 1.48.2.11.2.6

version 1.36, 2001/11/05 11:46:25 version 1.48.2.11.2.6, 2003/03/26 18:52:49
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 /** @file  /** @file
         Parser: table class decl.          Parser: table class decl.
   
         Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
         Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)          Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   
         $Id$  
 */  */
   
 #ifndef PA_TABLE_H  #ifndef PA_TABLE_H
 #define PA_TABLE_H  #define PA_TABLE_H
   
 #include "pa_config_includes.h"  static const char* IDENT_TABLE_H="$Date$";
   
 #include "pa_types.h"  #include "pa_types.h"
 #include "pa_array.h"  
 #include "pa_hash.h"  #include "pa_hash.h"
 #include "pa_string.h"  #include "pa_string.h"
   
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         rows and strings stored are read-only. once stored they can be removed,          rows and strings stored are read-only. once stored they can be removed,
         but not altered. that's handy for quick copying & co. see table:join          but not altered. that's handy for quick copying & co. see table:join
 */  */
 class Table : public Array {  class Table: public Array<ArrayString*> {
 public:  public:
           typedef ArrayString* columns_type;
   
         Table(Pool& apool,          Table(
                 const String *aorigin,                  columns_type acolumns,
                 const Array *acolumns,                  int initial_rows=3);
                 int initial_rows=CR_INITIAL_ROWS_DEFAULT);          Table(const Table& src, int offset=0, int limit=0);
   
         /// where this table came from, may be NULL  
         const String *origin_string() { return forigin_string; }  
   
         /// column names          /// gets column names
         const Array *columns() { return fcolumns; }          columns_type columns() { return fcolumns; }
   
         /// moves @a current pointer          /// moves @a current pointer
         void set_current(int acurrent) { fcurrent=acurrent; }          void set_current(int acurrent) { fcurrent=acurrent; }
         /// @return current pointer          /// @return current pointer
         int current() { return fcurrent; }          int current() const { return fcurrent; }
         void shift(int offset);          void offset(bool absolute, int offset);
   
         /** @return column index from @a column_name. '<0' if no such column          /** @return column index from @a column_name. '<0' if no such column
                 if no such colum conditionally 'bark'                  if no such - 'bark'
         */          */
         int column_name2index(const String& column, bool bark) const;          int column_name2index(const String& column, bool bark) const;
   
         /// @return item from @a column          /// @return item from @a column
         const String *item(int column) const;          const String* item(size_t column);
   
         /// @return item from @a column. '0' if no such column          /// @return item from @a column. '0' if no such column
         const String *item(const String& column) const {          const String* item(const String& column) {
                 int index=column_name2index(column, false);                  int index=column_name2index(column, false);
                 return index>=0?item(index):0;                  return index>=0?item(index):0;
         }          }
Line 67  public: Line 63  public:
         /// saves to text file          /// saves to text file
         void save(bool nameless_save, const String& file_spec);          void save(bool nameless_save, const String& file_spec);
   
         bool locate(int column, const String& value);          bool locate(size_t column, const String& value);
         bool locate(const String& column, const String& value);          bool locate(const String& column, const String& value);
   
         const Array& at(int index) const {  
                 // force @c const result  
                 return *const_cast<const Array *>(static_cast<Array *>(get(index)));  
         }  
   
 private:  private:
                   
         // where this table came from, may be NULL  
         const String *forigin_string;  
   
         // column name->number lookup table  
         Hash name2number;  
   
         // current row          // current row
         int fcurrent;          size_t fcurrent;
   
         // columns          // columns
         const Array *fcolumns;          columns_type fcolumns;
   
           // column names are already referenced in fcolumns, no need to doublecheck references here
           // column name->number lookup table
           typedef Hash<const StringBody, int> name2number_hash_class;
           name2number_hash_class* name2number;
   
           // we own columns?
   
         bool valid(int index) const { return index>=0 && index<size(); }          bool valid(size_t index) const { return index>=0 && index<count(); }
   
 };  };
   
Removed from v.1.36  
changed lines
  Added in v.1.48.2.11.2.6

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