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#include "definedColumns.h"
#include <boost/foreach.hpp>
#include <libxml++/nodes/textnode.h>
DefinedColumns::DefinedColumns(const xmlpp::Element * p) :
RowSet(p)
{
unsigned int colNo = 0;
BOOST_FOREACH(const xmlpp::Node * node, p->find("columns/column")) {
const xmlpp::Element * elem = dynamic_cast<const xmlpp::Element *>(node);
if (elem) {
columns.insert(Column(colNo++, elem));
}
}
}
DefinedColumns::Column::Column(unsigned int i, const Glib::ustring & c) :
idx(i),
col(c),
defValue(VariableType())
{
}
DefinedColumns::Column::Column(unsigned int i, const xmlpp::Element * p) :
idx(i),
col(p->get_child_text()->get_content()),
defValue(p, "default", false)
{
}
void
DefinedColumns::Column::operator=(const VariableType & v) const
{
value = v;
}
const Glib::ustring &
DefinedColumns::getColumnName(unsigned int col) const
{
Columns::index<byColIdx>::type::iterator i = columns.get<byColIdx>().find(col);
if (i != columns.get<byColIdx>().end()) {
return i->col;
}
throw RowSet::FieldOutOfRange(col);
}
unsigned int
DefinedColumns::columnCount() const
{
return columns.size();
}
VariableType
DefinedColumns::getCurrentValue(unsigned int col) const
{
Columns::index<byColIdx>::type::iterator i = columns.get<byColIdx>().find(col);
if (i != columns.get<byColIdx>().end()) {
return i->value;
}
throw RowSet::FieldOutOfRange(col);
}
bool
DefinedColumns::isNull(unsigned int col) const
{
return (columns.get<byColIdx>().find(col) == columns.get<byColIdx>().end());
}
bool
DefinedColumns::isNull(const Glib::ustring & col) const
{
return (columns.get<byColName>().find(col) == columns.get<byColName>().end());
}
VariableType
DefinedColumns::getCurrentValue(const Glib::ustring & col) const
{
Columns::const_iterator i = columns.get<byColName>().find(col);
if (i != columns.end()) {
return i->value;
}
throw RowSet::FieldDoesNotExist(col);
}
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