Annotation of parser3/src/main/pa_table.C, revision 1.13.2.1
1.1 paf 1: /*
1.10 paf 2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.11 paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.10 paf 5:
1.13.2.1! paf 6: $Id: pa_table.C,v 1.13 2001/03/12 13:13:21 paf Exp $
1.1 paf 7: */
8:
1.2 paf 9: #include <stdlib.h>
10:
1.1 paf 11: #include "pa_table.h"
12: #include "pa_pool.h"
13:
1.12 paf 14: Table::Table(Pool& apool,
1.1 paf 15: Array *acolumns,
16: int initial_rows) :
1.12 paf 17: Array(apool, initial_rows),
1.13 paf 18:
1.5 paf 19: fcurrent(0),
20: fcolumns(acolumns),
1.12 paf 21: name2number(pool(), false) {
1.1 paf 22:
1.5 paf 23: if(fcolumns)
24: for(int i=0; i<fcolumns->size(); i++) {
1.12 paf 25: const String& name=*fcolumns->get_string(i);
1.2 paf 26: name2number.put(name, i+1);
1.1 paf 27: }
1.2 paf 28: }
29:
1.7 paf 30: const Array &Table::at(int index) {
31: return *static_cast<const Array *>(get(index));
1.2 paf 32: }
33:
1.13.2.1! paf 34: const char *Table::item(const String& column_name) {
1.2 paf 35: int column_index;
1.12 paf 36: if(fcolumns) { // named
1.2 paf 37: int found_index=name2number.get_int(column_name);
38: if(found_index)
39: column_index=found_index-1;
40: else
1.9 paf 41: THROW(0, 0,
1.6 paf 42: &column_name,
43: "column not found");
1.12 paf 44: } else { // nameless
1.2 paf 45: column_index=atoi(column_name.cstr());
1.13 paf 46: if(!valid(fcurrent))
47: return 0; // it's OK we don't have row, just return nothing
1.7 paf 48: const Array& row=at(fcurrent);
1.12 paf 49: if(column_index<0 || column_index>=row.size()) // read past proper index?
1.13 paf 50: return 0; // it's OK we don't have column, just return nothing
1.2 paf 51: }
52:
53: return item(column_index);
1.1 paf 54: }
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