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#include <pch.hpp>
#include "sqlWriter.h"
#include <boost/foreach.hpp>
#include "sqlVariableBinder.h"
DynamicSql::SqlWriter::SqlWriter()
{
}
DynamicSql::SqlWriter::~SqlWriter()
{
}
DynamicSql::SqlCommand::SqlCommand(const xmlpp::Element * N)
{
BOOST_FOREACH(xmlpp::Node * n, N->get_children()) {
const xmlpp::TextNode * t = dynamic_cast<const xmlpp::TextNode *>(n);
if (t) {
writers.push_back(new SqlText(t));
}
const xmlpp::Element * e = dynamic_cast<const xmlpp::Element *>(n);
if (e) {
if (e->get_name() == "filter") {
SqlFilterPtr f = new SqlFilter(e);
writers.push_back(f);
filters.insert(Filters::value_type(f->name, f));
}
else if (e->get_name() == "param") {
writers.push_back(new SqlParameter(e));
}
}
}
}
Glib::ustring
DynamicSql::SqlCommand::getSqlFor(const Glib::ustring & f) const
{
BOOST_FOREACH(const SqlCommand::Filters::value_type & filter, filters) {
filter.second->active = (filter.second->name == f);
}
Glib::ustring sql;
writeSql(sql);
return sql;
}
void
DynamicSql::SqlCommand::writeSql(Glib::ustring & sql) const
{
BOOST_FOREACH(const SqlWriterPtr & w, writers) {
w->writeSql(sql);
}
}
void
DynamicSql::SqlCommand::bindParams(DB::Command * cmd, unsigned int & offset) const
{
BOOST_FOREACH(const SqlWriterPtr & w, writers) {
w->bindParams(cmd, offset);
}
}
DynamicSql::SqlFilter::SqlFilter(const xmlpp::Element * N) :
name(N->get_attribute_value("name")),
active(false)
{
BOOST_FOREACH(xmlpp::Node * n, N->get_children()) {
const xmlpp::TextNode * t = dynamic_cast<const xmlpp::TextNode *>(n);
if (t) {
writers.push_back(new SqlText(t));
}
const xmlpp::Element * e = dynamic_cast<const xmlpp::Element *>(n);
if (e) {
if (e->get_name() == "param") {
writers.push_back(new SqlParameter(e));
}
}
}
}
void
DynamicSql::SqlFilter::writeSql(Glib::ustring & sql) const
{
if (active) {
BOOST_FOREACH(const SqlWriterPtr & w, writers) {
w->writeSql(sql);
}
}
}
void
DynamicSql::SqlFilter::bindParams(DB::Command * cmd, unsigned int & offset) const
{
if (active) {
BOOST_FOREACH(const SqlWriterPtr & w, writers) {
w->bindParams(cmd, offset);
}
}
}
DynamicSql::SqlParameter::SqlParameter(const xmlpp::Element * n) :
Variable(n, boost::optional<Glib::ustring>("local"))
{
}
void
DynamicSql::SqlParameter::writeSql(Glib::ustring & sql) const
{
sql.append("?");
}
void
DynamicSql::SqlParameter::bindParams(DB::Command * cmd, unsigned int & offset) const
{
boost::apply_visitor<const SqlVariableBinder, const VariableType>(SqlVariableBinder(cmd, offset++), (*this));
}
DynamicSql::SqlText::SqlText(const xmlpp::TextNode * n) :
text(n->get_content())
{
}
void
DynamicSql::SqlText::writeSql(Glib::ustring & sql) const
{
sql.append(text);
}
void
DynamicSql::SqlText::bindParams(DB::Command *, unsigned int &) const
{
}
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