#include "sass.hpp"
#include <cmath>
#include <string>
#include <iostream>
#include <iomanip>
#include <stdint.h>
#include <stdint.h>
#include "ast.hpp"
#include "inspect.hpp"
#include "context.hpp"
#include "listize.hpp"
#include "color_maps.hpp"
#include "utf8/checked.h"
namespace Sass {
Inspect::Inspect(const Emitter& emi)
: Emitter(emi)
{ }
Inspect::~Inspect() { }
// statements
void Inspect::operator()(Block_Ptr block)
{
if (!block->is_root()) {
add_open_mapping(block);
append_scope_opener();
}
if (output_style() == NESTED) indentation += block->tabs();
for (size_t i = 0, L = block->length(); i < L; ++i) {
(*block)[i]->perform(this);
}
if (output_style() == NESTED) indentation -= block->tabs();
if (!block->is_root()) {
append_scope_closer();
add_close_mapping(block);
}
}
void Inspect::operator()(Ruleset_Ptr ruleset)
{
if (ruleset->selector()) {
ruleset->selector()->perform(this);
}
if (ruleset->block()) {
ruleset->block()->perform(this);
}
}
void Inspect::operator()(Keyframe_Rule_Ptr rule)
{
if (rule->name()) rule->name()->perform(this);
if (rule->block()) rule->block()->perform(this);
}
void Inspect::operator()(Bubble_Ptr bubble)
{
append_indentation();
append_token("::BUBBLE", bubble);
append_scope_opener();
bubble->node()->perform(this);
append_scope_closer();
}
void Inspect::operator()(Media_Block_Ptr media_block)
{
append_indentation();
append_token("@media", media_block);
append_mandatory_space();
in_media_block = true;
media_block->media_queries()->perform(this);
in_media_block = false;
media_block->block()->perform(this);
}
void Inspect::operator()(Supports_Block_Ptr feature_block)
{
append_indentation();
append_token("@supports", feature_block);
append_mandatory_space();
feature_block->condition()->perform(this);
feature_block->block()->perform(this);
}
void Inspect::operator()(At_Root_Block_Ptr at_root_block)
{
append_indentation();
append_token("@at-root ", at_root_block);
append_mandatory_space();
if(at_root_block->expression()) at_root_block->expression()->perform(this);
at_root_block->block()->perform(this);
}
void Inspect::operator()(Directive_Ptr at_rule)
{
append_indentation();
append_token(at_rule->keyword(), at_rule);
if (at_rule->selector()) {
append_mandatory_space();
bool was_wrapped = in_wrapped;
in_wrapped = true;
at_rule->selector()->perform(this);
in_wrapped = was_wrapped;
}
if (at_rule->value()) {
append_mandatory_space();
at_rule->value()->perform(this);
}
if (at_rule->block()) {
at_rule->block()->perform(this);
}
else {
append_delimiter();
}
}
void Inspect::operator()(Declaration_Ptr dec)
{
if (dec->value()->concrete_type() == Expression::NULL_VAL) return;
bool was_decl = in_declaration;
in_declaration = true;
if (output_style() == NESTED)
indentation += dec->tabs();
append_indentation();
if (dec->property())
dec->property()->perform(this);
append_colon_separator();
if (dec->value()->concrete_type() == Expression::SELECTOR) {
Listize listize;
Expression_Obj ls = dec->value()->perform(&listize);
ls->perform(this);
} else {
dec->value()->perform(this);
}
if (dec->is_important()) {
append_optional_space();
append_string("!important");
}
append_delimiter();
if (output_style() == NESTED)
indentation -= dec->tabs();
in_declaration = was_decl;
}
void Inspect::operator()(Assignment_Ptr assn)
{
append_token(assn->variable(), assn);
append_colon_separator();
assn->value()->perform(this);
if (assn->is_default()) {
append_optional_space();
append_string("!default");
}
append_delimiter();
}
void Inspect::operator()(Import_Ptr import)
{
if (!import->urls().empty()) {
append_token("@import", import);
append_mandatory_space();
import->urls().front()->perform(this);
if (import->urls().size() == 1) {
if (import->import_queries()) {
append_mandatory_space();
import->import_queries()->perform(this);
}
}
append_delimiter();
for (size_t i = 1, S = import->urls().size(); i < S; ++i) {
append_mandatory_linefeed();
append_token("@import", import);
append_mandatory_space();
import->urls()[i]->perform(this);
if (import->urls().size() - 1 == i) {
if (import->import_queries()) {
append_mandatory_space();
import->import_queries()->perform(this);
}
}
append_delimiter();
}
}
}
void Inspect::operator()(Import_Stub_Ptr import)
{
append_indentation();
append_token("@import", import);
append_mandatory_space();
append_string(import->imp_path());
append_delimiter();
}
void Inspect::operator()(Warning_Ptr warning)
{
append_indentation();
append_token("@warn", warning);
append_mandatory_space();
warning->message()->perform(this);
append_delimiter();
}
void Inspect::operator()(Error_Ptr error)
{
append_indentation();
append_token("@error", error);
append_mandatory_space();
error->message()->perform(this);
append_delimiter();
}
void Inspect::operator()(Debug_Ptr debug)
{
append_indentation();
append_token("@debug", debug);
append_mandatory_space();
debug->value()->perform(this);
append_delimiter();
}
void Inspect::operator()(Comment_Ptr comment)
{
in_comment = true;
comment->text()->perform(this);
in_comment = false;
}
void Inspect::operator()(If_Ptr cond)
{
append_indentation();
append_token("@if", cond);
append_mandatory_space();
cond->predicate()->perform(this);
cond->block()->perform(this);
if (cond->alternative()) {
append_optional_linefeed();
append_indentation();
append_string("else");
cond->alternative()->perform(this);
}
}
void Inspect::operator()(For_Ptr loop)
{
append_indentation();
append_token("@for", loop);
append_mandatory_space();
append_string(loop->variable());
append_string(" from ");
loop->lower_bound()->perform(this);
append_string(loop->is_inclusive() ? " through " : " to ");
loop->upper_bound()->perform(this);
loop->block()->perform(this);
}
void Inspect::operator()(Each_Ptr loop)
{
append_indentation();
append_token("@each", loop);
append_mandatory_space();
append_string(loop->variables()[0]);
for (size_t i = 1, L = loop->variables().size(); i < L; ++i) {
append_comma_separator();
append_string(loop->variables()[i]);
}
append_string(" in ");
loop->list()->perform(this);
loop->block()->perform(this);
}
void Inspect::operator()(While_Ptr loop)
{
append_indentation();
append_token("@while", loop);
append_mandatory_space();
loop->predicate()->perform(this);
loop->block()->perform(this);
}
void Inspect::operator()(Return_Ptr ret)
{
append_indentation();
append_token("@return", ret);
append_mandatory_space();
ret->value()->perform(this);
append_delimiter();
}
void Inspect::operator()(Extension_Ptr extend)
{
append_indentation();
append_token("@extend", extend);
append_mandatory_space();
extend->selector()->perform(this);
append_delimiter();
}
void Inspect::operator()(Definition_Ptr def)
{
append_indentation();
if (def->type() == Definition::MIXIN) {
append_token("@mixin", def);
append_mandatory_space();
} else {
append_token("@function", def);
append_mandatory_space();
}
append_string(def->name());
def->parameters()->perform(this);
def->block()->perform(this);
}
void Inspect::operator()(Mixin_Call_Ptr call)
{
append_indentation();
append_token("@include", call);
append_mandatory_space();
append_string(call->name());
if (call->arguments()) {
call->arguments()->perform(this);
}
if (call->block()) {
append_optional_space();
call->block()->perform(this);
}
if (!call->block()) append_delimiter();
}
void Inspect::operator()(Content_Ptr content)
{
append_indentation();
append_token("@content", content);
append_delimiter();
}
void Inspect::operator()(Map_Ptr map)
{
if (output_style() == TO_SASS && map->empty()) {
append_string("()");
return;
}
if (map->empty()) return;
if (map->is_invisible()) return;
bool items_output = false;
append_string("(");
for (auto key : map->keys()) {
if (items_output) append_comma_separator();
key->perform(this);
append_colon_separator();
LOCAL_FLAG(in_space_array, true);
LOCAL_FLAG(in_comma_array, true);
map->at(key)->perform(this);
items_output = true;
}
append_string(")");
}
void Inspect::operator()(List_Ptr list)
{
if (output_style() == TO_SASS && list->empty()) {
append_string("()");
return;
}
std::string sep(list->separator() == SASS_SPACE ? " " : ",");
if ((output_style() != COMPRESSED) && sep == ",") sep += " ";
else if (in_media_block && sep != " ") sep += " "; // verified
if (list->empty()) return;
bool items_output = false;
bool was_space_array = in_space_array;
bool was_comma_array = in_comma_array;
// probably ruby sass eqivalent of element_needs_parens
if (output_style() == TO_SASS &&
list->length() == 1 &&
!list->from_selector() &&
!Cast<List>(list->at(0)) &&
!Cast<Selector_List>(list->at(0))
) {
append_string("(");
}
else if (!in_declaration && (list->separator() == SASS_HASH ||
(list->separator() == SASS_SPACE && in_space_array) ||
(list->separator() == SASS_COMMA && in_comma_array)
)) {
append_string("(");
}
if (list->separator() == SASS_SPACE) in_space_array = true;
else if (list->separator() == SASS_COMMA) in_comma_array = true;
for (size_t i = 0, L = list->size(); i < L; ++i) {
if (list->separator() == SASS_HASH)
{ sep[0] = i % 2 ? ':' : ','; }
Expression_Obj list_item = list->at(i);
if (output_style() != TO_SASS) {
if (list_item->is_invisible()) {
// this fixes an issue with "" in a list
if (!Cast<String_Constant>(list_item)) {
continue;
}
}
}
if (items_output) {
append_string(sep);
}
if (items_output && sep != " ")
append_optional_space();
list_item->perform(this);
items_output = true;
}
in_comma_array = was_comma_array;
in_space_array = was_space_array;
// probably ruby sass eqivalent of element_needs_parens
if (output_style() == TO_SASS &&
list->length() == 1 &&
!list->from_selector() &&
!Cast<List>(list->at(0)) &&
!Cast<Selector_List>(list->at(0))
) {
append_string(",)");
}
else if (!in_declaration && (list->separator() == SASS_HASH ||
(list->separator() == SASS_SPACE && in_space_array) ||
(list->separator() == SASS_COMMA && in_comma_array)
)) {
append_string(")");
}
}
void Inspect::operator()(Binary_Expression_Ptr expr)
{
expr->left()->perform(this);
if ( in_media_block ||
(output_style() == INSPECT) || (
expr->op().ws_before
&& (!expr->is_interpolant())
&& (expr->is_left_interpolant() ||
expr->is_right_interpolant())
)) append_string(" ");
switch (expr->optype()) {
case Sass_OP::AND: append_string("&&"); break;
case Sass_OP::OR: append_string("||"); break;
case Sass_OP::EQ: append_string("=="); break;
case Sass_OP::NEQ: append_string("!="); break;
case Sass_OP::GT: append_string(">"); break;
case Sass_OP::GTE: append_string(">="); break;
case Sass_OP::LT: append_string("<"); break;
case Sass_OP::LTE: append_string("<="); break;
case Sass_OP::ADD: append_string("+"); break;
case Sass_OP::SUB: append_string("-"); break;
case Sass_OP::MUL: append_string("*"); break;
case Sass_OP::DIV: append_string("/"); break;
case Sass_OP::MOD: append_string("%"); break;
default: break; // shouldn't get here
}
if ( in_media_block ||
(output_style() == INSPECT) || (
expr->op().ws_after
&& (!expr->is_interpolant())
&& (expr->is_left_interpolant() ||
expr->is_right_interpolant())
)) append_string(" ");
expr->right()->perform(this);
}
void Inspect::operator()(Unary_Expression_Ptr expr)
{
if (expr->optype() == Unary_Expression::PLUS) append_string("+");
else if (expr->optype() == Unary_Expression::SLASH) append_string("/");
else append_string("-");
expr->operand()->perform(this);
}
void Inspect::operator()(Function_Call_Ptr call)
{
append_token(call->name(), call);
call->arguments()->perform(this);
}
void Inspect::operator()(Function_Call_Schema_Ptr call)
{
call->name()->perform(this);
call->arguments()->perform(this);
}
void Inspect::operator()(Variable_Ptr var)
{
append_token(var->name(), var);
}
void Inspect::operator()(Number_Ptr n)
{
std::string res;
// check if the fractional part of the value equals to zero
// neat trick from http://stackoverflow.com/a/1521682/1550314
// double int_part; bool is_int = modf(value, &int_part) == 0.0;
// this all cannot be done with one run only, since fixed
// output differs from normal output and regular output
// can contain scientific notation which we do not want!
// first sample
std::stringstream ss;
ss.precision(12);
ss << n->value();
// check if we got scientific notation in result
if (ss.str().find_first_of("e") != std::string::npos) {
ss.clear(); ss.str(std::string());
ss.precision(std::max(12, opt.precision));
ss << std::fixed << n->value();
}
std::string tmp = ss.str();
size_t pos_point = tmp.find_first_of(".,");
size_t pos_fract = tmp.find_last_not_of("0");
bool is_int = pos_point == pos_fract ||
pos_point == std::string::npos;
// reset stream for another run
ss.clear(); ss.str(std::string());
// take a shortcut for integers
if (is_int)
{
ss.precision(0);
ss << std::fixed << n->value();
res = std::string(ss.str());
}
// process floats
else
{
// do we have have too much precision?
if (pos_fract < opt.precision + pos_point)
{ ss.precision((int)(pos_fract - pos_point)); }
else { ss.precision(opt.precision); }
// round value again
ss << std::fixed << n->value();
res = std::string(ss.str());
// maybe we truncated up to decimal point
size_t pos = res.find_last_not_of("0");
// handle case where we have a "0"
if (pos == std::string::npos) {
res = "0.0";
} else {
bool at_dec_point = res[pos] == '.' ||
res[pos] == ',';
// don't leave a blank point
if (at_dec_point) ++ pos;
res.resize (pos + 1);
}
}
// some final cosmetics
if (res == "0.0") res = "0";
else if (res == "") res = "0";
else if (res == "-0") res = "0";
else if (res == "-0.0") res = "0";
else if (opt.output_style == COMPRESSED)
{
// check if handling negative nr
size_t off = res[0] == '-' ? 1 : 0;
// remove leading zero from floating point in compressed mode
if (n->zero() && res[off] == '0' && res[off+1] == '.') res.erase(off, 1);
}
// add unit now
res += n->unit();
// output the final token
append_token(res, n);
}
// helper function for serializing colors
template <size_t range>
static double cap_channel(double c) {
if (c > range) return range;
else if (c < 0) return 0;
else return c;
}
void Inspect::operator()(Color_Ptr c)
{
// output the final token
std::stringstream ss;
// original color name
// maybe an unknown token
std::string name = c->disp();
// resolved color
std::string res_name = name;
double r = Sass::round(cap_channel<0xff>(c->r()), opt.precision);
double g = Sass::round(cap_channel<0xff>(c->g()), opt.precision);
double b = Sass::round(cap_channel<0xff>(c->b()), opt.precision);
double a = cap_channel<1> (c->a());
// get color from given name (if one was given at all)
if (name != "" && name_to_color(name)) {
Color_Ptr_Const n = name_to_color(name);
r = Sass::round(cap_channel<0xff>(n->r()), opt.precision);
g = Sass::round(cap_channel<0xff>(n->g()), opt.precision);
b = Sass::round(cap_channel<0xff>(n->b()), opt.precision);
a = cap_channel<1> (n->a());
}
// otherwise get the possible resolved color name
else {
double numval = r * 0x10000 + g * 0x100 + b;
if (color_to_name(numval))
res_name = color_to_name(numval);
}
std::stringstream hexlet;
bool compressed = opt.output_style == COMPRESSED;
hexlet << '#' << std::setw(1) << std::setfill('0');
// create a short color hexlet if there is any need for it
if (compressed && is_color_doublet(r, g, b) && a == 1) {
hexlet << std::hex << std::setw(1) << (static_cast<unsigned long>(r) >> 4);
hexlet << std::hex << std::setw(1) << (static_cast<unsigned long>(g) >> 4);
hexlet << std::hex << std::setw(1) << (static_cast<unsigned long>(b) >> 4);
} else {
hexlet << std::hex << std::setw(2) << static_cast<unsigned long>(r);
hexlet << std::hex << std::setw(2) << static_cast<unsigned long>(g);
hexlet << std::hex << std::setw(2) << static_cast<unsigned long>(b);
}
if (compressed && !c->is_delayed()) name = "";
if (opt.output_style == INSPECT && a >= 1) {
append_token(hexlet.str(), c);
return;
}
// retain the originally specified color definition if unchanged
if (name != "") {
ss << name;
}
else if (r == 0 && g == 0 && b == 0 && a == 0) {
ss << "transparent";
}
else if (a >= 1) {
if (res_name != "") {
if (compressed && hexlet.str().size() < res_name.size()) {
ss << hexlet.str();
} else {
ss << res_name;
}
}
else {
ss << hexlet.str();
}
}
else {
ss << "rgba(";
ss << static_cast<unsigned long>(r) << ",";
if (!compressed) ss << " ";
ss << static_cast<unsigned long>(g) << ",";
if (!compressed) ss << " ";
ss << static_cast<unsigned long>(b) << ",";
if (!compressed) ss << " ";
ss << a << ')';
}
append_token(ss.str(), c);
}
void Inspect::operator()(Boolean_Ptr b)
{
// output the final token
append_token(b->value() ? "true" : "false", b);
}
void Inspect::operator()(String_Schema_Ptr ss)
{
// Evaluation should turn these into String_Constants,
// so this method is only for inspection purposes.
for (size_t i = 0, L = ss->length(); i < L; ++i) {
if ((*ss)[i]->is_interpolant()) append_string("#{");
(*ss)[i]->perform(this);
if ((*ss)[i]->is_interpolant()) append_string("}");
}
}
void Inspect::operator()(String_Constant_Ptr s)
{
append_token(s->value(), s);
}
void Inspect::operator()(String_Quoted_Ptr s)
{
if (const char q = s->quote_mark()) {
append_token(quote(s->value(), q), s);
} else {
append_token(s->value(), s);
}
}
void Inspect::operator()(Custom_Error_Ptr e)
{
append_token(e->message(), e);
}
void Inspect::operator()(Custom_Warning_Ptr w)
{
append_token(w->message(), w);
}
void Inspect::operator()(Supports_Operator_Ptr so)
{
if (so->needs_parens(so->left())) append_string("(");
so->left()->perform(this);
if (so->needs_parens(so->left())) append_string(")");
if (so->operand() == Supports_Operator::AND) {
append_mandatory_space();
append_token("and", so);
append_mandatory_space();
} else if (so->operand() == Supports_Operator::OR) {
append_mandatory_space();
append_token("or", so);
append_mandatory_space();
}
if (so->needs_parens(so->right())) append_string("(");
so->right()->perform(this);
if (so->needs_parens(so->right())) append_string(")");
}
void Inspect::operator()(Supports_Negation_Ptr sn)
{
append_token("not", sn);
append_mandatory_space();
if (sn->needs_parens(sn->condition())) append_string("(");
sn->condition()->perform(this);
if (sn->needs_parens(sn->condition())) append_string(")");
}
void Inspect::operator()(Supports_Declaration_Ptr sd)
{
append_string("(");
sd->feature()->perform(this);
append_string(": ");
sd->value()->perform(this);
append_string(")");
}
void Inspect::operator()(Supports_Interpolation_Ptr sd)
{
sd->value()->perform(this);
}
void Inspect::operator()(Media_Query_Ptr mq)
{
size_t i = 0;
if (mq->media_type()) {
if (mq->is_negated()) append_string("not ");
else if (mq->is_restricted()) append_string("only ");
mq->media_type()->perform(this);
}
else {
(*mq)[i++]->perform(this);
}
for (size_t L = mq->length(); i < L; ++i) {
append_string(" and ");
(*mq)[i]->perform(this);
}
}
void Inspect::operator()(Media_Query_Expression_Ptr mqe)
{
if (mqe->is_interpolated()) {
mqe->feature()->perform(this);
}
else {
append_string("(");
mqe->feature()->perform(this);
if (mqe->value()) {
append_string(": "); // verified
mqe->value()->perform(this);
}
append_string(")");
}
}
void Inspect::operator()(At_Root_Query_Ptr ae)
{
append_string("(");
ae->feature()->perform(this);
if (ae->value()) {
append_colon_separator();
ae->value()->perform(this);
}
append_string(")");
}
void Inspect::operator()(Null_Ptr n)
{
// output the final token
append_token("null", n);
}
// parameters and arguments
void Inspect::operator()(Parameter_Ptr p)
{
append_token(p->name(), p);
if (p->default_value()) {
append_colon_separator();
p->default_value()->perform(this);
}
else if (p->is_rest_parameter()) {
append_string("...");
}
}
void Inspect::operator()(Parameters_Ptr p)
{
append_string("(");
if (!p->empty()) {
(*p)[0]->perform(this);
for (size_t i = 1, L = p->length(); i < L; ++i) {
append_comma_separator();
(*p)[i]->perform(this);
}
}
append_string(")");
}
void Inspect::operator()(Argument_Ptr a)
{
if (!a->name().empty()) {
append_token(a->name(), a);
append_colon_separator();
}
if (!a->value()) return;
// Special case: argument nulls can be ignored
if (a->value()->concrete_type() == Expression::NULL_VAL) {
return;
}
if (a->value()->concrete_type() == Expression::STRING) {
String_Constant_Ptr s = Cast<String_Constant>(a->value());
if (s) s->perform(this);
} else {
a->value()->perform(this);
}
if (a->is_rest_argument()) {
append_string("...");
}
}
void Inspect::operator()(Arguments_Ptr a)
{
append_string("(");
if (!a->empty()) {
(*a)[0]->perform(this);
for (size_t i = 1, L = a->length(); i < L; ++i) {
append_string(", "); // verified
// Sass Bug? append_comma_separator();
(*a)[i]->perform(this);
}
}
append_string(")");
}
void Inspect::operator()(Selector_Schema_Ptr s)
{
s->contents()->perform(this);
}
void Inspect::operator()(Parent_Selector_Ptr p)
{
if (p->is_real_parent_ref()) append_string("&");
}
void Inspect::operator()(Placeholder_Selector_Ptr s)
{
append_token(s->name(), s);
if (s->has_line_break()) append_optional_linefeed();
if (s->has_line_break()) append_indentation();
}
void Inspect::operator()(Element_Selector_Ptr s)
{
append_token(s->ns_name(), s);
}
void Inspect::operator()(Class_Selector_Ptr s)
{
append_token(s->ns_name(), s);
if (s->has_line_break()) append_optional_linefeed();
if (s->has_line_break()) append_indentation();
}
void Inspect::operator()(Id_Selector_Ptr s)
{
append_token(s->ns_name(), s);
if (s->has_line_break()) append_optional_linefeed();
if (s->has_line_break()) append_indentation();
}
void Inspect::operator()(Attribute_Selector_Ptr s)
{
append_string("[");
add_open_mapping(s);
append_token(s->ns_name(), s);
if (!s->matcher().empty()) {
append_string(s->matcher());
if (s->value() && *s->value()) {
s->value()->perform(this);
}
}
add_close_mapping(s);
append_string("]");
}
void Inspect::operator()(Pseudo_Selector_Ptr s)
{
append_token(s->ns_name(), s);
if (s->expression()) {
append_string("(");
s->expression()->perform(this);
append_string(")");
}
}
// hotfix to avoid invalid nested `:not` selectors
// probably the wrong place, but this should ultimatively
// be fixed by implement superselector correctly for `:not`
// first use of "find" (ATM only implemented for selectors)
bool hasNotSelector(AST_Node_Obj obj) {
if (Wrapped_Selector_Ptr w = Cast<Wrapped_Selector>(obj)) {
return w->name() == ":not";
}
return false;
}
void Inspect::operator()(Wrapped_Selector_Ptr s)
{
if (!s->selector()->find(hasNotSelector)) {
bool was = in_wrapped;
in_wrapped = true;
append_token(s->name(), s);
append_string("(");
bool was_comma_array = in_comma_array;
in_comma_array = false;
s->selector()->perform(this);
in_comma_array = was_comma_array;
append_string(")");
in_wrapped = was;
}
}
void Inspect::operator()(Compound_Selector_Ptr s)
{
for (size_t i = 0, L = s->length(); i < L; ++i) {
(*s)[i]->perform(this);
}
if (s->has_line_break()) {
if (output_style() != COMPACT) {
append_optional_linefeed();
}
}
}
void Inspect::operator()(Complex_Selector_Ptr c)
{
Compound_Selector_Obj head = c->head();
Complex_Selector_Obj tail = c->tail();
Complex_Selector::Combinator comb = c->combinator();
if (comb == Complex_Selector::ANCESTOR_OF && (!head || head->empty())) {
if (tail) tail->perform(this);
return;
}
if (c->has_line_feed()) {
if (!(c->has_parent_ref())) {
append_optional_linefeed();
append_indentation();
}
}
if (head && head->length() != 0) head->perform(this);
bool is_empty = !head || head->length() == 0 || head->is_empty_reference();
bool is_tail = head && !head->is_empty_reference() && tail;
if (output_style() == COMPRESSED && comb != Complex_Selector::ANCESTOR_OF) scheduled_space = 0;
switch (comb) {
case Complex_Selector::ANCESTOR_OF:
if (is_tail) append_mandatory_space();
break;
case Complex_Selector::PARENT_OF:
append_optional_space();
append_string(">");
append_optional_space();
break;
case Complex_Selector::ADJACENT_TO:
append_optional_space();
append_string("+");
append_optional_space();
break;
case Complex_Selector::REFERENCE:
append_mandatory_space();
append_string("/");
c->reference()->perform(this);
append_string("/");
append_mandatory_space();
break;
case Complex_Selector::PRECEDES:
if (is_empty) append_optional_space();
else append_mandatory_space();
append_string("~");
if (tail) append_mandatory_space();
else append_optional_space();
break;
default: break;
}
if (tail && comb != Complex_Selector::ANCESTOR_OF) {
if (c->has_line_break()) append_optional_linefeed();
}
if (tail) tail->perform(this);
if (!tail && c->has_line_break()) {
if (output_style() == COMPACT) {
append_mandatory_space();
}
}
}
void Inspect::operator()(Selector_List_Ptr g)
{
if (g->empty()) {
if (output_style() == TO_SASS) {
append_token("()", g);
}
return;
}
bool was_comma_array = in_comma_array;
// probably ruby sass eqivalent of element_needs_parens
if (output_style() == TO_SASS && g->length() == 1 &&
(!Cast<List>((*g)[0]) &&
!Cast<Selector_List>((*g)[0]))) {
append_string("(");
}
else if (!in_declaration && in_comma_array) {
append_string("(");
}
if (in_declaration) in_comma_array = true;
for (size_t i = 0, L = g->length(); i < L; ++i) {
if (!in_wrapped && i == 0) append_indentation();
if ((*g)[i] == 0) continue;
schedule_mapping(g->at(i)->last());
// add_open_mapping((*g)[i]->last());
(*g)[i]->perform(this);
// add_close_mapping((*g)[i]->last());
if (i < L - 1) {
scheduled_space = 0;
append_comma_separator();
}
}
in_comma_array = was_comma_array;
// probably ruby sass eqivalent of element_needs_parens
if (output_style() == TO_SASS && g->length() == 1 &&
(!Cast<List>((*g)[0]) &&
!Cast<Selector_List>((*g)[0]))) {
append_string(",)");
}
else if (!in_declaration && in_comma_array) {
append_string(")");
}
}
void Inspect::fallback_impl(AST_Node_Ptr n)
{
}
}