void Inspect::operator()(Import* import)
{
if (!import->urls().empty()) {
append_token("@import", import);
append_mandatory_space();
if (String_Quoted* strq = dynamic_cast<String_Quoted*>(import->urls().front())) {
strq->is_delayed(false);
}
import->urls().front()->perform(this);
if (import->media_queries()) {
append_mandatory_space();
import->media_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();
if (String_Quoted* strq = dynamic_cast<String_Quoted*>(import->urls()[i])) {
strq->is_delayed(false);
}
import->urls()[i]->perform(this);
if (import->media_queries()) {
append_mandatory_space();
import->media_queries()->perform(this);
}
append_delimiter();
}
}
}
void Output::operator()(Directive* a)
{
std::string kwd = a->keyword();
Selector* s = a->selector();
Expression* v = a->value();
Block* b = a->block();
append_indentation();
append_token(kwd, a);
if (s) {
append_mandatory_space();
in_wrapped = true;
s->perform(this);
in_wrapped = false;
}
if (v) {
append_mandatory_space();
// ruby sass bug? should use options?
append_token(v->to_string(/* opt */), v);
}
if (!b) {
append_delimiter();
return;
}
if (b->is_invisible() || b->length() == 0) {
append_optional_space();
return append_string("{}");
}
append_scope_opener();
bool format = kwd != "@font-face";;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
stm->perform(this);
if (i < L - 1 && format) append_special_linefeed();
}
}
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
if (i < L - 1 && format) append_special_linefeed();
}
}
append_scope_closer();
}
void Inspect::operator()(Definition* 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 Output::operator()(Media_Block* m)
{
if (m->is_invisible()) return;
List* q = m->media_queries();
Block* b = m->block();
// Filter out media blocks that aren't printable (process its children though)
if (!Util::isPrintable(m, output_style())) {
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (dynamic_cast<Has_Block*>(stm)) {
stm->perform(this);
}
}
return;
}
if (output_style() == NESTED) indentation += m->tabs();
append_indentation();
append_token("@media", m);
append_mandatory_space();
in_media_block = true;
q->perform(this);
in_media_block = false;
append_scope_opener();
for (size_t i = 0, L = b->length(); i < L; ++i) {
if ((*b)[i]) (*b)[i]->perform(this);
if (i < L - 1) append_special_linefeed();
}
if (output_style() == NESTED) indentation -= m->tabs();
append_scope_closer();
}
void Output::operator()(Supports_Block* f)
{
if (f->is_invisible()) return;
Supports_Condition* c = f->condition();
Block* b = f->block();
// Filter out feature blocks that aren't printable (process its children though)
if (!Util::isPrintable(f, output_style())) {
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (dynamic_cast<Has_Block*>(stm)) {
stm->perform(this);
}
}
return;
}
if (output_style() == NESTED) indentation += f->tabs();
append_indentation();
append_token("@supports", f);
append_mandatory_space();
c->perform(this);
append_scope_opener();
if (b->has_non_hoistable()) {
// JMA - hoisted, output the non-hoistable in a nested block, followed by the hoistable
append_scope_opener();
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
stm->perform(this);
}
}
append_scope_closer();
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
}
else {
// JMA - not hoisted, just output in order
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
stm->perform(this);
if (i < L - 1) append_special_linefeed();
}
}
if (output_style() == NESTED) indentation -= f->tabs();
append_scope_closer();
}
void Inspect::operator()(Extension* extend)
{
append_indentation();
append_token("@extend", extend);
append_mandatory_space();
extend->selector()->perform(this);
append_delimiter();
}
void Inspect::operator()(Supports_Negation* 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()(While* loop)
{
append_indentation();
append_token("@while", loop);
append_mandatory_space();
loop->predicate()->perform(this);
loop->block()->perform(this);
}
void Inspect::operator()(Supports_Block* 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* 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()(Debug* debug)
{
append_indentation();
append_token("@debug", debug);
append_mandatory_space();
debug->value()->perform(this);
append_delimiter();
}
void Inspect::operator()(Error* error)
{
append_indentation();
append_token("@error", error);
append_mandatory_space();
error->message()->perform(this);
append_delimiter();
}
void Inspect::operator()(Warning* warning)
{
append_indentation();
append_token("@warn", warning);
append_mandatory_space();
warning->message()->perform(this);
append_delimiter();
}
void Inspect::operator()(Import_Stub* import)
{
append_indentation();
append_token("@import", import);
append_mandatory_space();
append_string(import->file_name());
append_delimiter();
}
void Inspect::operator()(Return* ret)
{
append_indentation();
append_token("@return", ret);
append_mandatory_space();
ret->value()->perform(this);
append_delimiter();
}
void Emitter::append_optional_space()
{
if (output_style() != COMPRESSED && buffer().size()) {
char lst = buffer().at(buffer().length() - 1);
if (!isspace(lst) || scheduled_delimiter) {
append_mandatory_space();
}
}
}
void Emitter::append_optional_linefeed()
{
if (in_declaration && in_comma_array) return;
if (output_style() == COMPACT) {
append_mandatory_space();
} else {
append_mandatory_linefeed();
}
}
void Inspect::operator()(Media_Block* 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()(For* 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()(Supports_Operator* 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()(At_Rule* 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 Emitter::append_delimiter()
{
scheduled_delimiter = true;
if (output_style() == COMPACT) {
if (indentation == 0) {
append_mandatory_linefeed();
} else {
append_mandatory_space();
}
} else if (output_style() != COMPRESSED) {
append_optional_linefeed();
}
}
void Inspect::operator()(If* 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()(Each* 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()(Complex_Selector* c)
{
Compound_Selector* head = c->head();
Complex_Selector* tail = c->tail();
Complex_Selector::Combinator comb = c->combinator();
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;
}
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()(Mixin_Call* 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();
}
