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#include <pch.hpp>
#include "autotree.h"
#include "presenter.h"
#include "scriptLoader.h"
#include <boost/bind.hpp>
NAMEDFACTORY("autotree", AutoTree, ViewFactory);
AutoTree::AutoTree(ScriptNodePtr p) :
SourceObject(p),
View(p),
RowProcessor(p),
root(new AutoTreeNode(p->child("tree"), 0, 0)),
depth(0)
{
auto node = root;
while (node) {
depth += 1;
node = node->child();
}
}
AutoTree::~AutoTree()
{
}
void
AutoTree::loadComplete(const CommonObjects * co)
{
RowProcessor::loadComplete(co);
}
void
AutoTree::execute(const MultiRowSetPresenter * p, ExecContext * ec) const
{
AutoTreeState state;
for (unsigned int d = 0; d < depth; ++d) {
state.opened.push_back(AutoTreeState::Opened(false, false));
}
root->openArray(p, ec, state);
RowProcessor::execute(ec, boost::bind(&AutoTreeNode::rowReady, root, _1, p, ec, boost::ref(state)));
root->closeArray(p, ec, state);
}
AutoTreeNode::AutoTreeNode(ScriptNodePtr sn, unsigned int p, unsigned int d) :
rootName(sn, "rootname", Null()),
objectName(sn, "objectname", Null()),
pos(p),
depth(d)
{
for (const auto & n : sn->children("key")) {
keys.insert({n->value("name", NULL).as<Glib::ustring>(), Variable::fromScriptNode(n)} );
}
for (const auto & n : sn->children("include")) {
includes.insert({n->value("name", NULL).as<Glib::ustring>(), Variable::fromScriptNode(n)} );
}
if (sn->valueExists("tree")) {
tree = new AutoTreeNode(sn->child("tree"), pos + keys.size(), depth + 1);
}
}
void
AutoTreeNode::rowReady(const RowState * rs, const MultiRowSetPresenter * p, ExecContext * ec, AutoTreeState & state) const
{
std::vector<VariableType> values;
values.reserve(keys.size());
for (const auto & v : keys) {
values.push_back(v.second(ec));
}
bool isNew = false;
if (state.values.size() < keys.size() + pos) {
isNew = true;
}
else {
for (unsigned int k = 0; k < keys.size(); ++k) {
if (state.values[pos + k] != values[k]) {
isNew = true;
break;
}
}
}
if (isNew) {
closeObject(p, ec, state);
state.values.resize(pos);
openObject(p, ec, state);
unsigned int k = 0;
for (const auto & v : keys) {
state.values.push_back(values[k]);
p->addNamedValue(v.first, values[k++]);
}
for (const auto & v : includes) {
p->addNamedValue(v.first, v.second(ec));
}
if (tree) {
tree->openArray(p, ec, state);
}
}
if (tree) {
tree->rowReady(rs, p, ec, state);
}
}
#define arrayOpened opened[depth].get<0>()
#define objectOpened opened[depth].get<1>()
void
AutoTreeNode::openArray(const MultiRowSetPresenter * p, ExecContext * ec, AutoTreeState & state) const
{
if (!state.arrayOpened && !rootName(ec).isNull()) {
p->addNewRowSet(rootName(ec));
state.arrayOpened = true;
}
}
void
AutoTreeNode::openObject(const MultiRowSetPresenter * p, ExecContext * ec, AutoTreeState & state) const
{
if (!state.objectOpened && !objectName(ec).isNull()) {
p->addNewRowSet(objectName(ec));
state.objectOpened = true;
}
}
void
AutoTreeNode::closeArray(const MultiRowSetPresenter * p, ExecContext * ec, AutoTreeState & state) const
{
closeObject(p, ec, state);
if (state.arrayOpened && !rootName(ec).isNull()) {
p->finishRowSet();
state.arrayOpened = false;
}
}
void
AutoTreeNode::closeObject(const MultiRowSetPresenter * p, ExecContext * ec, AutoTreeState & state) const
{
if (tree) {
tree->closeArray(p, ec, state);
}
if (state.objectOpened && !objectName(ec).isNull()) {
p->finishRow();
state.objectOpened = false;
}
}
AutoTreeNodePtr
AutoTreeNode::child() const
{
return tree;
}
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