void operator() (utree const& ut){
using spirit::utree_type;
typedef utree::const_iterator iterator;
int id = cur_id;
n_id++;
switch (ut.which()) {
case utree_type::reference_type:
out << prefix << id << " [label=\"[reference]\"];\n";
out << prefix << id << " -> " << prefix << cur_id << ";\n";
(*this)(ut.deref());
return;
case utree_type::range_type:
case utree_type::list_type:
{
iterator it, end;
int start_id = n_id;
if (annotations[ut.tag()].second == json_object) {
out << prefix << id << " [label=\"[object]\"];\n";
it = ut.front().begin();
end = ut.front().end();
n_id += ut.front().size();
} else {
if (annotations[ut.tag()].second == json_array) {
out << prefix << id << " [label=\"[array]\"];\n";
} else if (annotations[ut.tag()].second == json_pair) {
out << prefix << id << " [label=\"[pair]\"];\n";
} else {
BOOST_ASSERT(false);
return;
}
it = ut.begin();
end = ut.end();
n_id += ut.size();
}
for (int i=0; it != end; ++it, ++i) {
cur_id = start_id+i;
out << prefix << id << " -> " << prefix << cur_id << ";\n";
(*this)(*it);
}
return;
}
default:
break;
}
utree::visit(ut, *this);
}
utree expression::fix_color_range(utree const& node)
{
BOOST_ASSERT(is_color(node) == TRUE);
BOOST_ASSERT(node.size() == 4);
typedef utree::const_iterator iter;
utree ut;
ut.tag(node.tag());
for(iter it = node.begin(); it != node.end(); it++)
ut.push_back( fmod(as<double>(*it), 256) );
return ut;
}
void print_array (utree const& ut) const {
typedef utree::const_iterator iterator;
iterator it = ut.begin(), end = ut.end();
(*this)('[');
(*this)(*it); ++it;
for (; it != end; ++it) {
out << ", ";
(*this)(*it);
}
(*this)(']');
}
std::string filter_printer::operator() (utree const& ut)
{
using spirit::utree_type;
std::string out;
if (ut.tag() == 0) {
if (ut.which() == utree_type::list_type) {
utree::const_iterator it = ut.begin(), end = ut.end();
for (; it != end; ++it)
out += (*this)(*it);
} else {
out += as<std::string>(ut);
}
return out;
}
int const node_type = annotations[ut.tag()].second;
typedef utree::const_iterator iter;
iter it = ut.begin(),
end = ut.end();
if (node_type == filter_var || node_type == filter_var_attr) {
utree value = parse_var(ut);
if (node_type == filter_var_attr)
out += "[" + (*this)(value) + "]";
else
out += (*this)(value);
} else if (node_type == filter_and) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
std::string b = (*this)(*it);
if (a == "" || b == "")
out += (a=="") ? a : b;
else
out += "(" + a + " and " + b + ")";
} else if (node_type == filter_or) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
std::string b = (*this)(*it);
if (a == "" || b == "")
out += (a=="") ? a : b;
else
out += "(" + a + " or " + b + ")";
} else if (node_type == filter_not) {
BOOST_ASSERT(ut.size()==1);
std::string a = (*this)(*it);
if (a != "")
out += "(not " + a + ")";
} else if (node_type == filter_match) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
std::string b = (*this)(*it);
out += a + ".match('" + b + "')";
} else if (node_type == filter_replace) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
std::string b = (*this)(*it); it++;
std::string c = (*this)(*it);
out += a + ".replace('" + b + ", " + c + "')";
} else if (node_type == filter_attribute) {
//BOOST_ASSERT(ut.size()==1);
out += "[" + (*this)(*it) + "]";
} else if (node_type == filter_expression) {
} else if (node_type == filter_eq) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
if (a == "[zoom]") {
int b = round(parse_zoom_value(*it));
rule.set_min_scale(zoom_ranges[b+1]);
rule.set_max_scale(zoom_ranges[b]);
} else {
std::string b = (*this)(*it);
out += "(" + a + " = " + b + ")";
}
} else if (node_type == filter_neq) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
if (a == "[zoom]") {
std::string err = "Not equal is not currently supported for zoom levels (at "
+ get_location(ut).get_string() + ")";
throw config_error(err);
} else {
std::string b = (*this)(*it);
out += "(" + a + " = " + b + ")";
}
} else if (node_type == filter_le) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
if (a == "[zoom]") {
int b = round(parse_zoom_value(*it));
rule.set_min_scale(zoom_ranges[b]);
} else {
std::string b = (*this)(*it);
out += "(" + a + " = " + b + ")";
}
} else if (node_type == filter_lt) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
if (a == "[zoom]") {
int b = round(parse_zoom_value(*it));
rule.set_min_scale(zoom_ranges[b-1]);
} else {
std::string b = (*this)(*it);
out += "(" + a + " = " + b + ")";
}
} else if (node_type == filter_ge) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
if (a == "[zoom]") {
int b = round(parse_zoom_value(*it));
rule.set_max_scale(zoom_ranges[b]);
} else {
std::string b = (*this)(*it);
out += "(" + a + " = " + b + ")";
}
} else if (node_type == filter_gt) {
BOOST_ASSERT(ut.size()==2);
std::string a = (*this)(*it); it++;
if (a == "[zoom]") {
int b = round(parse_zoom_value(*it));
rule.set_max_scale(zoom_ranges[b+1]);
} else {
std::string b = (*this)(*it);
out += "(" + a + " = " + b + ")";
}
}
return out;
}
void operator() (utree const& ut){
using spirit::utree_type;
typedef utree::const_iterator iterator;
int id = cur_id;
n_id++;
switch (ut.which()) {
case utree_type::reference_type:
out << prefix << id << " [label=\"[reference]\"];\n";
out << prefix << id << " -> " << prefix << cur_id << ";\n";
(*this)(ut.deref());
return;
case utree_type::range_type:
case utree_type::list_type:
{
iterator it, end;
int start_id = n_id;
carto_node_type nope_type = annotations[ut.tag()].second;
/*if (annotations[ut.tag()].second == json_object) {
out << prefix << id << " [label=\"[object]\"];\n";
it = ut.front().begin();
end = ut.front().end();
n_id += ut.front().size();
}*/
out << prefix << id << " [label=\"[";
switch(node_type) {
case CARTO_UNDEFINED:
out << "";
break;
case CARTO_VARIABLE:
out << "variable";
break;
case CARTO_MIXIN:
OUT << "mixin";
break;
case CARTO_STYLE:
out << "style";
break;
case CARTO_FUNCTION:
out << "function";
break;
case CARTO_ATTRIBUTE:
out << "attribute";
break;
case CARTO_COLOR:
out << "color";
break;
case CARTO_FILTER:
out << "filter";
break;
default:
std::cout << node_type << std::endl;
BOOST_ASSERT(false);
//return;
}
out << "]\"];\n";
it = ut.begin();
end = ut.end();
n_id += ut.size();
if (node_type == CARTO_FILTER) {
for (int i=0; it != end; ++it, ++i) {
cur_id = start_id+i;
out << prefix << id << " -> " << prefix << cur_id << ";\n";
out << prefix << cur_id << " [label=\"";
generate_filter(*it,annotations,style_env(),out);
out << "\"];\n";
}
} else {
for (int i=0; it != end; ++it, ++i) {
cur_id = start_id+i;
out << prefix << id << " -> " << prefix << cur_id << ";\n";
(*this)(*it);
}
}
return;
}
default:
break;
}
utree::visit(ut, *this);
}
void operator() (utree const& ut){
using spirit::utree_type;
typedef utree::const_iterator iterator;
int id = cur_id;
n_id++;
switch (ut.which()) {
case utree_type::reference_type:
out << prefix << id << " [label=\"[reference]\"];\n";
out << prefix << id << " -> " << prefix << cur_id << ";\n";
(*this)(ut.deref());
return;
case utree_type::range_type:
case utree_type::list_type:
{
iterator it, end;
int start_id = n_id;
/*if (annotations[ut.tag()].second == json_object) {
out << prefix << id << " [label=\"[object]\"];\n";
it = ut.front().begin();
end = ut.front().end();
n_id += ut.front().size();
}*/
out << prefix << id << " [label=\"[";
switch(annotations[ut.tag()].second) {
case carto_undefined:
out << "";
break;
case carto_variable:
out << "variable";
break;
case carto_mixin:
out << "mixin";
break;
case carto_style:
out << "style";
break;
case carto_function:
out << "function";
break;
case carto_attribute:
out << "attribute";
break;
case carto_color:
out << "color";
break;
case carto_filter:
out << "filter";
break;
default:
std::cout << annotations[ut.tag()].second << std::endl;
BOOST_ASSERT(false);
//return;
}
out << "]\"];\n";
it = ut.begin();
end = ut.end();
n_id += ut.size();
if (annotations[ut.tag()].second == carto_filter) {
for (int i=0; it != end; ++it, ++i) {
cur_id = start_id+i;
out << prefix << id << " -> " << prefix << cur_id << ";\n";
out << prefix << cur_id << " [label=\"";
generate_filter(*it,annotations,style_env(),out);
out << "\"];\n";
}
} else {
for (int i=0; it != end; ++it, ++i) {
cur_id = start_id+i;
out << prefix << id << " -> " << prefix << cur_id << ";\n";
(*this)(*it);
}
}
return;
}
default:
break;
}
utree::visit(ut, *this);
}
utree expression::eval_function(utree const& node)
{
typedef utree::const_iterator iter;
iter it = node.begin(),
end = node.end();
std::string func_name = as<std::string>(*it);
++it;
if (func_name == "test") {
utree color = eval_node(*it); ++it;
return test(color);
} else if (func_name == "hue") {
utree color = eval_node(*it); ++it;
return hue(color);
} else if (func_name == "saturation") {
utree color = eval_node(*it); ++it;
return saturation(color);
} else if (func_name == "lightness") {
utree color = eval_node(*it); ++it;
return lightness(color);
} else if (func_name == "alpha") {
utree color = eval_node(*it); ++it;
return alpha(color);
} else if (func_name == "saturate") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return saturate(color,value);
} else if (func_name == "desaturate") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return desaturate(color,value);
} else if (func_name == "lighten") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return lighten(color,value);
} else if (func_name == "darken") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return darken(color,value);
} else if (func_name == "fadein") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return fadein(color,value);
} else if (func_name == "fadeout") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return fadeout(color,value);
} else if (func_name == "spin") {
utree color = eval_node(*it); ++it;
utree value = eval_node(*it); ++it;
return spin(color,value);
} else if (func_name == "mix") {
utree color1 = eval_node(*it); ++it;
utree color2 = eval_node(*it); ++it;
utree weight = eval_node(*it); ++it;
return mix(color1, color2, weight);
} else if (func_name == "greyscale") {
utree color = eval_node(*it); ++it;
return greyscale(color);
} else if (func_name == "url") {
return eval_node(*it);
} else {
throw carto_error("Unknown function: " + func_name, get_location(node));
}
}
void evaluateInstance(utree const &ast) {
for ( utree::const_iterator it = ast.begin(), ie = ast.end();
it != ie; ++it ) {
evaluateCommand(*it);
}
}