void XMLFile::PatchRemove(const pugi::xpath_node& original) const
{
// If no attribute but node then its a node, otherwise its an attribute or null
if (!original.attribute() && original.node())
{
pugi::xml_node parent = original.parent();
parent.remove_child(original.node());
}
else if (original.attribute())
{
pugi::xml_node parent = original.parent();
parent.remove_attribute(original.attribute());
}
}
void XMLFile::AddNode(const pugi::xml_node& patch, const pugi::xpath_node& original) const
{
// If pos is null, append or prepend add as a child, otherwise add before or after, the default is to append as a child
pugi::xml_attribute pos = patch.attribute("pos");
if (!pos || strlen(pos.value()) <= 0 || strcmp(pos.value(), "append") == 0)
{
pugi::xml_node::iterator start = patch.begin();
pugi::xml_node::iterator end = patch.end();
// There can not be two consecutive text nodes, so check to see if they need to be combined
// If they have been we can skip the first node of the nodes to add
if (CombineText(patch.first_child(), original.node().last_child(), false))
start++;
for (; start != end; start++)
original.node().append_copy(*start);
}
else if (strcmp(pos.value(), "prepend") == 0)
{
pugi::xml_node::iterator start = patch.begin();
pugi::xml_node::iterator end = patch.end();
// There can not be two consecutive text nodes, so check to see if they need to be combined
// If they have been we can skip the last node of the nodes to add
if (CombineText(patch.last_child(), original.node().first_child(), true))
end--;
pugi::xml_node pos = original.node().first_child();
for (; start != end; start++)
original.node().insert_copy_before(*start, pos);
}
else if (strcmp(pos.value(), "before") == 0)
{
pugi::xml_node::iterator start = patch.begin();
pugi::xml_node::iterator end = patch.end();
// There can not be two consecutive text nodes, so check to see if they need to be combined
// If they have been we can skip the first node of the nodes to add
if (CombineText(patch.first_child(), original.node().previous_sibling(), false))
start++;
// There can not be two consecutive text nodes, so check to see if they need to be combined
// If they have been we can skip the last node of the nodes to add
if (CombineText(patch.last_child(), original.node(), true))
end--;
for (; start != end; start++)
original.parent().insert_copy_before(*start, original.node());
}
else if (strcmp(pos.value(), "after") == 0)
{
pugi::xml_node::iterator start = patch.begin();
pugi::xml_node::iterator end = patch.end();
// There can not be two consecutive text nodes, so check to see if they need to be combined
// If they have been we can skip the first node of the nodes to add
if (CombineText(patch.first_child(), original.node(), false))
start++;
// There can not be two consecutive text nodes, so check to see if they need to be combined
// If they have been we can skip the last node of the nodes to add
if (CombineText(patch.last_child(), original.node().next_sibling(), true))
end--;
pugi::xml_node pos = original.node();
for (; start != end; start++)
pos = original.parent().insert_copy_after(*start, pos);
}
}