Viewing file:  subset_map.cpp (1.7 KB) -rw-r--r--
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#include "sass.hpp"
#include "ast.hpp"
#include "subset_map.hpp"
namespace Sass {
void Subset_Map::put(const Compound_Selector_Obj& sel, const SubSetMapPair& value)
{
if (sel->empty()) throw std::runtime_error("internal error: subset map keys may not be empty");
size_t index = values_.size();
values_.push_back(value);
for (size_t i = 0, S = sel->length(); i < S; ++i)
{
hash_[(*sel)[i]].push_back(std::make_pair(sel, index));
}
}
std::vector<SubSetMapPair> Subset_Map::get_kv(const Compound_Selector_Obj& sel)
{
SimpleSelectorDict dict(sel->begin(), sel->end()); // XXX Set
std::vector<size_t> indices;
for (size_t i = 0, S = sel->length(); i < S; ++i) {
if (!hash_.count((*sel)[i])) {
continue;
}
const std::vector<std::pair<Compound_Selector_Obj, size_t> >& subsets = hash_[(*sel)[i]];
for (const std::pair<Compound_Selector_Obj, size_t>& item : subsets) {
bool include = true;
for (const Simple_Selector_Obj& it : item.first->elements()) {
auto found = dict.find(it);
if (found == dict.end()) {
include = false;
break;
}
}
if (include) indices.push_back(item.second);
}
}
sort(indices.begin(), indices.end());
std::vector<size_t>::iterator indices_end = unique(indices.begin(), indices.end());
indices.resize(distance(indices.begin(), indices_end));
std::vector<SubSetMapPair> results;
for (size_t i = 0, S = indices.size(); i < S; ++i) {
results.push_back(values_[indices[i]]);
}
return results;
}
std::vector<SubSetMapPair> Subset_Map::get_v(const Compound_Selector_Obj& sel)
{
return get_kv(sel);
}
}
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