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