| 1 | // sass.hpp must go before all system headers to get the |
|---|---|
| 2 | // __EXTENSIONS__ fix on Solaris. |
| 3 | #include "sass.hpp" |
| 4 | #include "ast.hpp" |
| 5 | |
| 6 | #include "remove_placeholders.hpp" |
| 7 | |
| 8 | namespace Sass { |
| 9 | |
| 10 | Remove_Placeholders::Remove_Placeholders() |
| 11 | { } |
| 12 | |
| 13 | void Remove_Placeholders::operator()(Block* b) { |
| 14 | for (size_t i = 0, L = b->length(); i < L; ++i) { |
| 15 | if (b->get(i)) b->get(i)->perform(op: this); |
| 16 | } |
| 17 | } |
| 18 | |
| 19 | void Remove_Placeholders::remove_placeholders(SimpleSelector* simple) |
| 20 | { |
| 21 | if (PseudoSelector * pseudo = simple->getPseudoSelector()) { |
| 22 | if (pseudo->selector()) remove_placeholders(pseudo->selector()); |
| 23 | } |
| 24 | } |
| 25 | |
| 26 | void Remove_Placeholders::remove_placeholders(CompoundSelector* compound) |
| 27 | { |
| 28 | for (size_t i = 0, L = compound->length(); i < L; ++i) { |
| 29 | if (compound->get(i)) remove_placeholders(simple: compound->get(i)); |
| 30 | } |
| 31 | listEraseItemIf(vec&: compound->elements(), predicate: listIsEmpty<SimpleSelector>); |
| 32 | } |
| 33 | |
| 34 | void Remove_Placeholders::remove_placeholders(ComplexSelector* complex) |
| 35 | { |
| 36 | if (complex->has_placeholder()) { |
| 37 | complex->clear(); // remove all |
| 38 | } |
| 39 | else { |
| 40 | for (size_t i = 0, L = complex->length(); i < L; ++i) { |
| 41 | if (CompoundSelector * compound = complex->get(i)->getCompound()) { |
| 42 | if (compound) remove_placeholders(compound); |
| 43 | } |
| 44 | } |
| 45 | listEraseItemIf(vec&: complex->elements(), predicate: listIsEmpty<SelectorComponent>); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | SelectorList* Remove_Placeholders::remove_placeholders(SelectorList* sl) |
| 50 | { |
| 51 | for (size_t i = 0, L = sl->length(); i < L; ++i) { |
| 52 | if (sl->get(i)) remove_placeholders(complex: sl->get(i)); |
| 53 | } |
| 54 | listEraseItemIf(vec&: sl->elements(), predicate: listIsEmpty<ComplexSelector>); |
| 55 | return sl; |
| 56 | } |
| 57 | |
| 58 | void Remove_Placeholders::operator()(CssMediaRule* rule) |
| 59 | { |
| 60 | if (rule->block()) operator()(b: rule->block()); |
| 61 | } |
| 62 | |
| 63 | void Remove_Placeholders::operator()(StyleRule* r) |
| 64 | { |
| 65 | if (SelectorListObj sl = r->selector()) { |
| 66 | // Set the new placeholder selector list |
| 67 | r->selector(selector__: (remove_placeholders(sl))); |
| 68 | } |
| 69 | // Iterate into child blocks |
| 70 | Block_Obj b = r->block(); |
| 71 | for (size_t i = 0, L = b->length(); i < L; ++i) { |
| 72 | if (b->get(i)) { b->get(i)->perform(op: this); } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | void Remove_Placeholders::operator()(SupportsRule* m) |
| 77 | { |
| 78 | if (m->block()) operator()(b: m->block()); |
| 79 | } |
| 80 | |
| 81 | void Remove_Placeholders::operator()(AtRule* a) |
| 82 | { |
| 83 | if (a->block()) a->block()->perform(op: this); |
| 84 | } |
| 85 | |
| 86 | } |
| 87 |