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#include "sass.hpp"
#include "remove_placeholders.hpp"
#include "context.hpp"
#include "inspect.hpp"
#include <iostream>
namespace Sass {
Remove_Placeholders::Remove_Placeholders()
{ }
void Remove_Placeholders::operator()(Block_Ptr b) {
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement_Ptr st = b->at(i);
st->perform(this);
}
}
Selector_List_Ptr Remove_Placeholders::remove_placeholders(Selector_List_Ptr sl)
{
Selector_List_Ptr new_sl = SASS_MEMORY_NEW(Selector_List, sl->pstate());
for (size_t i = 0, L = sl->length(); i < L; ++i) {
if (!sl->at(i)->contains_placeholder()) {
new_sl->append(sl->at(i));
}
}
return new_sl;
}
void Remove_Placeholders::operator()(Ruleset_Ptr r) {
// Create a new selector group without placeholders
Selector_List_Obj sl = Cast<Selector_List>(r->selector());
if (sl) {
// Set the new placeholder selector list
r->selector(remove_placeholders(sl));
// Remove placeholders in wrapped selectors
for (Complex_Selector_Obj cs : sl->elements()) {
while (cs) {
if (cs->head()) {
for (Simple_Selector_Obj& ss : cs->head()->elements()) {
if (Wrapped_Selector_Ptr ws = Cast<Wrapped_Selector>(ss)) {
if (Selector_List_Ptr wsl = Cast<Selector_List>(ws->selector())) {
Selector_List_Ptr clean = remove_placeholders(wsl);
// also clean superflous parent selectors
// probably not really the correct place
clean->remove_parent_selectors();
ws->selector(clean);
}
}
}
}
cs = cs->tail();
}
}
}
// Iterate into child blocks
Block_Obj b = r->block();
for (size_t i = 0, L = b->length(); i < L; ++i) {
if (b->at(i)) {
Statement_Obj st = b->at(i);
st->perform(this);
}
}
}
void Remove_Placeholders::operator()(Media_Block_Ptr m) {
operator()(m->block());
}
void Remove_Placeholders::operator()(Supports_Block_Ptr m) {
operator()(m->block());
}
void Remove_Placeholders::operator()(Directive_Ptr a) {
if (a->block()) a->block()->perform(this);
}
}
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