void Output::operator()(Keyframe_Rule* r)
{
Block* b = r->block();
Selector* v = r->selector();
if (v) {
v->perform(this);
}
if (!b) {
append_colon_separator();
return;
}
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);
if (i < L - 1) 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);
}
}
append_scope_closer();
}
void Output_Compressed::operator()(At_Rule* a)
{
string kwd = a->keyword();
Selector* s = a->selector();
Block* b = a->block();
append_singleline_part_to_buffer(kwd);
if (s) {
append_singleline_part_to_buffer(" ");
s->perform(this);
}
if (!b) {
append_singleline_part_to_buffer(";");
return;
}
append_singleline_part_to_buffer("{");
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
stm->perform(this);
}
}
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
append_singleline_part_to_buffer("}");
}
void Output_Compressed::operator()(Ruleset* r)
{
Selector* s = r->selector();
Block* b = r->block();
if (s->has_placeholder()) return;
if (b->has_non_hoistable()) {
s->perform(this);
append_singleline_part_to_buffer("{");
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
stm->perform(this);
}
}
append_singleline_part_to_buffer("}");
}
if (b->has_hoistable()) {
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
}
}
void Output_Nested::operator()(Media_Block* m)
{
List* q = m->media_queries();
Block* b = m->block();
bool decls = false;
indent();
ctx->source_map.add_mapping(m);
append_singleline_part_to_buffer("@media ");
q->perform(this);
append_multiline_part_to_buffer(" {\n");
Selector* e = m->enclosing_selector();
bool hoisted = false;
if (e && b->has_non_hoistable()) {
hoisted = true;
++indentation;
indent();
e->perform(this);
append_multiline_part_to_buffer(" {\n");
}
++indentation;
decls = true;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
if (!stm->block()) indent();
stm->perform(this);
append_multiline_part_to_buffer("\n");
}
}
--indentation;
if (hoisted) {
buffer.erase(buffer.length()-1);
if (ctx) ctx->source_map.remove_line();
append_multiline_part_to_buffer(" }\n");
--indentation;
}
if (decls) ++indentation;
if (hoisted) ++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
if (hoisted) --indentation;
if (decls) --indentation;
buffer.erase(buffer.length()-1);
if (ctx) ctx->source_map.remove_line();
append_multiline_part_to_buffer(" }\n");
}
void Output_Nested::operator()(At_Rule* a)
{
string kwd = a->keyword();
Selector* s = a->selector();
Expression* v = a->value();
Block* b = a->block();
bool decls = false;
// indent();
append_to_buffer(kwd);
if (s) {
append_to_buffer(" ");
s->perform(this);
}
else if (v) {
append_to_buffer(" ");
v->perform(this);
}
if (!b) {
append_to_buffer(";");
return;
}
append_to_buffer(" {\n");
++indentation;
decls = true;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
if (!stm->block()) indent();
stm->perform(this);
append_to_buffer("\n");
}
}
--indentation;
if (decls) ++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
append_to_buffer("\n");
}
}
if (decls) --indentation;
buffer.erase(buffer.length()-1);
if (ctx) ctx->source_map.remove_line();
if (b->has_hoistable()) {
buffer.erase(buffer.length()-1);
if (ctx) ctx->source_map.remove_line();
}
append_to_buffer(" }\n");
}
void Output_Nested::operator()(Media_Block* m)
{
List* q = m->media_queries();
Block* b = m->block();
bool decls = false;
indent();
buffer += "@media ";
q->perform(this);
buffer += " {\n";
Selector* e = m->enclosing_selector();
bool hoisted = false;
if (e && b->has_non_hoistable()) {
hoisted = true;
++indentation;
indent();
e->perform(this);
buffer += " {\n";
}
++indentation;
decls = true;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
if (!stm->block()) indent();
stm->perform(this);
buffer += '\n';
}
}
--indentation;
if (hoisted) {
buffer.erase(buffer.length()-1);
buffer += " }\n";
--indentation;
}
if (decls) ++indentation;
if (hoisted) ++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
if (hoisted) --indentation;
if (decls) --indentation;
buffer.erase(buffer.length()-1);
buffer += " }\n";
}
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();
}
Statement* Expand::operator()(At_Rule* a)
{
Block* ab = a->block();
selector_stack.push_back(0);
Selector* as = a->selector();
if (as) as = as->perform(contextualize->with(0, env, backtrace));
Block* bb = ab ? ab->perform(this)->block() : 0;
At_Rule* aa = new (ctx.mem) At_Rule(a->path(),
a->position(),
a->keyword(),
as,
bb);
selector_stack.pop_back();
return aa;
}
void Output_Nested::operator()(At_Rule* a)
{
string kwd = a->keyword();
Selector* s = a->selector();
Block* b = a->block();
bool decls = false;
// indent();
buffer += kwd;
if (s) {
buffer += ' ';
s->perform(this);
}
if (!b) {
buffer += ';';
return;
}
buffer += " {\n";
++indentation;
decls = true;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
if (!stm->block()) indent();
stm->perform(this);
buffer += '\n';
}
}
--indentation;
if (decls) ++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
buffer += '\n';
}
}
if (decls) --indentation;
buffer.erase(buffer.length()-1);
if (b->has_hoistable()) {
buffer.erase(buffer.length()-1);
}
buffer += " }\n";
}
void Output_Nested::operator()(Ruleset* r)
{
Selector* s = r->selector();
Block* b = r->block();
bool decls = false;
if (s->has_placeholder()) return;
if (b->has_non_hoistable()) {
decls = true;
indent();
if (source_comments) {
stringstream ss;
ss << "/* line " << r->line() << ", " << r->path() << " */" << endl;
buffer += ss.str();
indent();
}
s->perform(this);
buffer += " {\n";
++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
if (!stm->block()) indent();
stm->perform(this);
buffer += '\n';
}
}
--indentation;
buffer.erase(buffer.length()-1);
buffer += " }\n";
}
if (b->has_hoistable()) {
if (decls) ++indentation;
// indent();
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
if (decls) --indentation;
}
}
void Output_Compressed::operator()(Media_Block* m)
{
List* q = m->media_queries();
Block* b = m->block();
ctx->source_map.add_mapping(m);
append_singleline_part_to_buffer("@media ");
q->perform(this);
append_singleline_part_to_buffer("{");
Selector* e = m->enclosing_selector();
bool hoisted = false;
if (e && b->has_non_hoistable()) {
hoisted = true;
e->perform(this);
append_singleline_part_to_buffer("{");
}
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (!stm->is_hoistable()) {
stm->perform(this);
}
}
if (hoisted) {
append_singleline_part_to_buffer("}");
}
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
append_singleline_part_to_buffer("}");
}
void Output::operator()(Ruleset* r)
{
Selector* s = r->selector();
Block* b = r->block();
bool decls = false;
// Filter out rulesets that aren't printable (process its children though)
if (!Util::isPrintable(r, 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 (b->has_non_hoistable()) {
decls = true;
if (output_style() == NESTED) indentation += r->tabs();
if (opt.source_comments) {
std::stringstream ss;
append_indentation();
ss << "/* line " << r->pstate().line + 1 << ", " << r->pstate().path << " */";
append_string(ss.str());
append_optional_linefeed();
}
s->perform(this);
append_scope_opener(b);
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
bool bPrintExpression = true;
// Check print conditions
if (typeid(*stm) == typeid(Declaration)) {
Declaration* dec = static_cast<Declaration*>(stm);
if (dec->value()->concrete_type() == Expression::STRING) {
String_Constant* valConst = static_cast<String_Constant*>(dec->value());
std::string val(valConst->value());
if (auto qstr = dynamic_cast<String_Quoted*>(valConst)) {
if (!qstr->quote_mark() && val.empty()) {
bPrintExpression = false;
}
}
}
else if (dec->value()->concrete_type() == Expression::LIST) {
List* list = static_cast<List*>(dec->value());
bool all_invisible = true;
for (size_t list_i = 0, list_L = list->length(); list_i < list_L; ++list_i) {
Expression* item = (*list)[list_i];
if (!item->is_invisible()) all_invisible = false;
}
if (all_invisible) bPrintExpression = false;
}
}
// Print if OK
if (!stm->is_hoistable() && bPrintExpression) {
stm->perform(this);
}
}
if (output_style() == NESTED) indentation -= r->tabs();
append_scope_closer(b);
}
if (b->has_hoistable()) {
if (decls) ++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
if (decls) --indentation;
}
}
void Output_Nested::operator()(Ruleset* r)
{
Selector* s = r->selector();
Block* b = r->block();
bool decls = false;
if (s->has_placeholder()) return;
if (b->has_non_hoistable()) {
decls = true;
indent();
if (source_comments) {
stringstream ss;
ss << "/* line " << r->line() << ", " << r->path() << " */" << endl;
buffer += ss.str();
indent();
}
s->perform(this);
buffer += " {\n";
++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
bool bPrintExpression = true;
// Check print conditions
if (typeid(*stm) == typeid(Declaration)) {
Declaration* dec = static_cast<Declaration*>(stm);
if (dec->value()->concrete_type() == Expression::STRING) {
String_Constant* valConst = static_cast<String_Constant*>(dec->value());
string val(valConst->value());
if (val.empty()) {
bPrintExpression = false;
}
}
else if (dec->value()->concrete_type() == Expression::LIST) {
List* list = static_cast<List*>(dec->value());
bool all_invisible = true;
for (size_t list_i = 0, list_L = list->length(); list_i < list_L; ++list_i) {
Expression* item = (*list)[list_i];
if (!item->is_invisible()) all_invisible = false;
}
if (all_invisible) bPrintExpression = false;
}
}
// Print if OK
if (!stm->is_hoistable() && bPrintExpression) {
if (!stm->block()) indent();
stm->perform(this);
buffer += '\n';
}
}
--indentation;
buffer.erase(buffer.length()-1);
buffer += " }\n";
}
if (b->has_hoistable()) {
if (decls) ++indentation;
// indent();
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
if (decls) --indentation;
}
}
void Output_Nested::operator()(Ruleset* r)
{
Selector* s = r->selector();
Block* b = r->block();
bool decls = false;
// In case the extend visitor isn't called (if there are no @extend
// directives in the entire document), check for placeholders here and
// make sure they aren't output.
// TODO: investigate why I decided to duplicate this logic in the extend visitor
Selector_List* sl = static_cast<Selector_List*>(s);
if (!ctx->extensions.size()) {
Selector_List* new_sl = new (ctx->mem) Selector_List(sl->path(), sl->position());
for (size_t i = 0, L = sl->length(); i < L; ++i) {
if (!(*sl)[i]->has_placeholder()) {
*new_sl << (*sl)[i];
}
}
s = new_sl;
sl = new_sl;
r->selector(new_sl);
}
if (sl->length() == 0) return;
if (b->has_non_hoistable()) {
decls = true;
indent();
if (source_comments) {
stringstream ss;
ss << "/* line " << r->position().line << ", " << r->path() << " */" << endl;
append_singleline_part_to_buffer(ss.str());
indent();
}
s->perform(this);
append_multiline_part_to_buffer(" {\n");
++indentation;
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
bool bPrintExpression = true;
// Check print conditions
if (typeid(*stm) == typeid(Declaration)) {
Declaration* dec = static_cast<Declaration*>(stm);
if (dec->value()->concrete_type() == Expression::STRING) {
String_Constant* valConst = static_cast<String_Constant*>(dec->value());
string val(valConst->value());
if (val.empty()) {
bPrintExpression = false;
}
}
else if (dec->value()->concrete_type() == Expression::LIST) {
List* list = static_cast<List*>(dec->value());
bool all_invisible = true;
for (size_t list_i = 0, list_L = list->length(); list_i < list_L; ++list_i) {
Expression* item = (*list)[list_i];
if (!item->is_invisible()) all_invisible = false;
}
if (all_invisible) bPrintExpression = false;
}
}
// Print if OK
if (!stm->is_hoistable() && bPrintExpression) {
if (!stm->block()) indent();
stm->perform(this);
append_multiline_part_to_buffer("\n");
}
}
--indentation;
buffer.erase(buffer.length()-1);
if (ctx) ctx->source_map.remove_line();
append_multiline_part_to_buffer(" }\n");
}
if (b->has_hoistable()) {
if (decls) ++indentation;
// indent();
for (size_t i = 0, L = b->length(); i < L; ++i) {
Statement* stm = (*b)[i];
if (stm->is_hoistable()) {
stm->perform(this);
}
}
if (decls) --indentation;
}
}