Viewing file:  listize.cpp (2.29 KB) -rw-r--r--
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#include "sass.hpp"
#include <iostream>
#include <typeinfo>
#include <string>
#include "listize.hpp"
#include "context.hpp"
#include "backtrace.hpp"
#include "error_handling.hpp"
namespace Sass {
Listize::Listize()
{ }
Expression_Ptr Listize::operator()(Selector_List_Ptr sel)
{
List_Obj l = SASS_MEMORY_NEW(List, sel->pstate(), sel->length(), SASS_COMMA);
l->from_selector(true);
for (size_t i = 0, L = sel->length(); i < L; ++i) {
if (!sel->at(i)) continue;
l->append(sel->at(i)->perform(this));
}
if (l->length()) return l.detach();
return SASS_MEMORY_NEW(Null, l->pstate());
}
Expression_Ptr Listize::operator()(Compound_Selector_Ptr sel)
{
std::string str;
for (size_t i = 0, L = sel->length(); i < L; ++i) {
Expression_Ptr e = (*sel)[i]->perform(this);
if (e) str += e->to_string();
}
return SASS_MEMORY_NEW(String_Quoted, sel->pstate(), str);
}
Expression_Ptr Listize::operator()(Complex_Selector_Ptr sel)
{
List_Obj l = SASS_MEMORY_NEW(List, sel->pstate(), 2);
l->from_selector(true);
Compound_Selector_Obj head = sel->head();
if (head && !head->is_empty_reference())
{
Expression_Ptr hh = head->perform(this);
if (hh) l->append(hh);
}
std::string reference = ! sel->reference() ? ""
: sel->reference()->to_string();
switch(sel->combinator())
{
case Complex_Selector::PARENT_OF:
l->append(SASS_MEMORY_NEW(String_Quoted, sel->pstate(), ">"));
break;
case Complex_Selector::ADJACENT_TO:
l->append(SASS_MEMORY_NEW(String_Quoted, sel->pstate(), "+"));
break;
case Complex_Selector::REFERENCE:
l->append(SASS_MEMORY_NEW(String_Quoted, sel->pstate(), "/" + reference + "/"));
break;
case Complex_Selector::PRECEDES:
l->append(SASS_MEMORY_NEW(String_Quoted, sel->pstate(), "~"));
break;
case Complex_Selector::ANCESTOR_OF:
break;
default: break;
}
Complex_Selector_Obj tail = sel->tail();
if (tail)
{
Expression_Obj tt = tail->perform(this);
if (List_Ptr ls = Cast<List>(tt))
{ l->concat(ls); }
}
if (l->length() == 0) return 0;
return l.detach();
}
Expression_Ptr Listize::fallback_impl(AST_Node_Ptr n)
{
return Cast<Expression>(n);
}
}
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