Permalink
Fetching contributors…
Cannot retrieve contributors at this time
111 lines (95 sloc) 3.27 KB
#include "node_factory.hpp"
namespace Sass {
Node_Impl* Node_Factory::alloc_Node_Impl(Node::Type type, string path, size_t line)
{
Node_Impl* ip = new Node_Impl();
ip->type = type;
if (type == Node::backref) ip->has_backref = true;
ip->path = path;
ip->line = line;
pool_.push_back(ip);
return ip;
}
// returns a deep-copy of its argument
Node_Impl* Node_Factory::alloc_Node_Impl(Node_Impl* ip)
{
Node_Impl* ip_cpy = new Node_Impl(*ip);
pool_.push_back(ip_cpy);
if (ip_cpy->has_children) {
for (size_t i = 0, S = ip_cpy->size(); i < S; ++i) {
Node n(ip_cpy->at(i));
ip_cpy->at(i) = (*this)(n);
}
}
return ip_cpy;
}
// returns a deep-copy of its argument, but uses the path and line that are passed in
Node_Impl* Node_Factory::alloc_Node_Impl(string& path, size_t line, Node_Impl* ip)
{
Node_Impl* ip_cpy = new Node_Impl(*ip);
pool_.push_back(ip_cpy);
if (ip_cpy->has_children) {
for (size_t i = 0, S = ip_cpy->size(); i < S; ++i) {
Node n(ip_cpy->at(i));
ip_cpy->at(i) = (*this)(path, line, n);
}
}
return ip_cpy;
}
// for cloning nodes
Node Node_Factory::operator()(const Node& n1)
{
Node_Impl* ip_cpy = alloc_Node_Impl(n1.ip_); // deep-copy the implementation object
return Node(ip_cpy);
}
// for cloning nodes and resetting their path and line-number fields
Node Node_Factory::operator()(string& path, size_t line, const Node& n1)
{
Node_Impl* ip_cpy = alloc_Node_Impl(path, line, n1.ip_); // deep-copy the implementation object
ip_cpy->path = path;
ip_cpy->line = line;
return Node(ip_cpy);
}
// for making leaf nodes out of terminals/tokens
Node Node_Factory::operator()(Node::Type type, string path, size_t line, Token t)
{
Node_Impl* ip = alloc_Node_Impl(type, path, line);
ip->value.token = t;
return Node(ip);
}
// for making boolean values or interior nodes that have children
Node Node_Factory::operator()(Node::Type type, string path, size_t line, size_t size)
{
Node_Impl* ip = alloc_Node_Impl(type, path, line);
if (type == Node::boolean) ip->value.boolean = size;
else ip->children.reserve(size);
return Node(ip);
}
// for making nodes representing numbers
Node Node_Factory::operator()(string path, size_t line, double v, Node::Type type)
{
Node_Impl* ip = alloc_Node_Impl(type, path, line);
ip->value.numeric = v;
return Node(ip);
}
// for making nodes representing numeric dimensions (e.g. 5px, 3em)
Node Node_Factory::operator()(string path, size_t line, double v, const Token& t)
{
Node_Impl* ip = alloc_Node_Impl(Node::numeric_dimension, path, line);
ip->value.dimension.numeric = v;
ip->value.dimension.unit = t;
return Node(ip);
}
// for making nodes representing rgba color quads
Node Node_Factory::operator()(string path, size_t line, double r, double g, double b, double a)
{
Node color((*this)(Node::numeric_color, path, line, 4));
color << (*this)(path, line, r)
<< (*this)(path, line, g)
<< (*this)(path, line, b)
<< (*this)(path, line, a);
return color;
}
void Node_Factory::free()
{ for (size_t i = 0, S = pool_.size(); i < S; ++i) delete pool_[i]; }
}