Statement* Cssize::operator()(At_Rule* r)
{
if (!r->block() || !r->block()->length()) return r;
if (parent()->statement_type() == Statement::RULESET)
{
return (r->is_keyframes()) ? SASS_MEMORY_NEW(ctx.mem, Bubble, r->pstate(), r) : bubble(r);
}
p_stack.push_back(r);
At_Rule* rr = SASS_MEMORY_NEW(ctx.mem, At_Rule,
r->pstate(),
r->keyword(),
r->selector(),
r->block() ? r->block()->perform(this)->block() : 0);
if (r->value()) rr->value(r->value());
p_stack.pop_back();
bool directive_exists = false;
size_t L = rr->block() ? rr->block()->length() : 0;
for (size_t i = 0; i < L && !directive_exists; ++i) {
Statement* s = (*r->block())[i];
if (s->statement_type() != Statement::BUBBLE) directive_exists = true;
else {
s = static_cast<Bubble*>(s)->node();
if (s->statement_type() != Statement::DIRECTIVE) directive_exists = false;
else directive_exists = (static_cast<At_Rule*>(s)->keyword() == rr->keyword());
}
}
Block* result = SASS_MEMORY_NEW(ctx.mem, Block, rr->pstate());
if (!(directive_exists || rr->is_keyframes()))
{
At_Rule* empty_node = static_cast<At_Rule*>(rr);
empty_node->block(SASS_MEMORY_NEW(ctx.mem, Block, rr->block() ? rr->block()->pstate() : rr->pstate()));
*result << empty_node;
}
Statement* ss = debubble(rr->block() ? rr->block() : SASS_MEMORY_NEW(ctx.mem, Block, rr->pstate()), rr);
for (size_t i = 0, L = ss->block()->length(); i < L; ++i) {
*result << (*ss->block())[i];
}
return result;
}
Statement* Cssize::bubble(At_Rule* m)
{
Block* bb = SASS_MEMORY_NEW(ctx.mem, Block, this->parent()->pstate());
Has_Block* new_rule = static_cast<Has_Block*>(shallow_copy(this->parent()));
new_rule->block(bb);
new_rule->tabs(this->parent()->tabs());
size_t L = m->block() ? m->block()->length() : 0;
for (size_t i = 0; i < L; ++i) {
*new_rule->block() << (*m->block())[i];
}
Block* wrapper_block = SASS_MEMORY_NEW(ctx.mem, Block, m->block() ? m->block()->pstate() : m->pstate());
*wrapper_block << new_rule;
At_Rule* mm = SASS_MEMORY_NEW(ctx.mem, At_Rule,
m->pstate(),
m->keyword(),
m->selector(),
wrapper_block);
if (m->value()) mm->value(m->value());
Bubble* bubble = SASS_MEMORY_NEW(ctx.mem, Bubble, mm->pstate(), mm);
return bubble;
}