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node-sass
Commit f3e0a52a by Aaron Leung
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functionality++; efficiency--; // got nested selector group combinations working

parent 10eefb39
Showing with 129 additions and 117 deletions
document_emitter.cpp
......@@ -13,7 +13,7 @@ namespace Sass {
statements[i].echo();
break;
case nested:
statements[i].emit_nested_css(output, "", 0);
statements[i].emit_nested_css(output, 0, vector<string>());
break;
case expanded:
statements[i].emit_expanded_css(output, "");
......
node.cpp
......@@ -11,85 +11,9 @@ using std::endl;
namespace Sass {
size_t Node::fresh = 0;
size_t Node::copied = 0;
// Node::Node() { ++fresh; children = 0; opt_children = 0; }
// Node::Node(Node_Type _type) {
// type = _type;
// children = new vector<Node>;
// opt_children = new vector<Node>;
// ++fresh;
// }
// Node::Node(Node_Type _type, Token& _token) {
// type = _type;
// token = _token;
// children = 0;
// opt_children = 0;
// ++fresh;
// }
// Node::Node(const Node& n) {
// type = n.type;
// token = n.token;
// children = n.children;
// opt_children = n.opt_children;
// ++copied;
// }
//
// void Node::push_child(const Node& node) {
// if (!children) children = new vector<Node>;
// children->push_back(node);
// }
// void Node::push_opt_child(const Node& node) {
// if (!opt_children) opt_children = new vector<Node>;
// opt_children->push_back(node);
// }
// void Node::dump(unsigned int depth) {
// switch (type) {
// case comment:
// for (int i = depth; i > 0; --i) cout << " ";
// cout << string(token) << endl;
// break;
// case selector:
// cout << string(token);
// break;
// case value:
// cout << string(token);
// break;
// case property:
// cout << string(token) << ":";
// break;
// case values:
// for (int i = 0; i < children.size(); ++i)
// cout << " " << string(children[i].token);
// break;
// case rule:
// for (int i = depth; i > 0; --i) cout << " ";
// children[0].dump(depth);
// children[1].dump(depth);
// cout << ";" << endl;
// break;
// case clauses:
// cout << " {" << endl;
// for (int i = 0; i < children.size(); ++i) {
// children[i].dump(depth + 1);
// }
// for (int i = 0; i < opt_children.size(); ++i) {
// opt_children[i].dump(depth + 1);
// }
// for (int i = depth; i > 0; --i) cout << " ";
// cout << "}" << endl;
// break;
// case ruleset:
// for (int i = depth; i > 0; --i) cout << " ";
// children[0].dump(depth);
// children[1].dump(depth);
// break;
// default: cout << "HUH?"; break;
// }
// }
void Node::echo(size_t depth) {
string indentation(2*depth, ' ');
// cout << "Trying to echo!";
switch (type) {
case comment:
cout << indentation << string(token) << endl;
......@@ -132,43 +56,71 @@ namespace Sass {
break;
}
}
void Node::emit_nested_css(stringstream& buf,
const string& prefix,
size_t depth) {
string indentation(2 * depth, ' ');
vector<Node>* contents;
if (type == ruleset) {
size_t depth,
const vector<string>& prefixes)
{
string indentation(2*depth, ' ');
switch (type) {
case ruleset: {
Node sel_group(children->at(0));
Node block(children->at(1));
contents = block.children;
has_rules_or_comments = block.has_rules_or_comments;
has_rulesets = block.has_rulesets;
}
switch (type) {
case ruleset:
if (has_rules_or_comments) {
buf << indentation;
children->at(0).emit_nested_css(buf, prefix, depth); // selector group
vector<string> new_prefixes;
if (prefixes.empty()) {
new_prefixes.reserve(sel_group.children->size());
for (int i = 0; i < sel_group.children->size(); ++i) {
new_prefixes.push_back(string(sel_group.children->at(i).token));
}
}
else {
new_prefixes.reserve(prefixes.size() * sel_group.children->size());
for (int i = 0; i < prefixes.size(); ++i) {
for (int j = 0; j < sel_group.children->size(); ++j) {
new_prefixes.push_back(prefixes[i] +
' ' +
string(sel_group.children->at(j).token));
}
}
}
if (block.has_rules_or_comments) {
buf << string(2*depth, ' ') << new_prefixes[0];
for (int i = 1; i < new_prefixes.size(); ++i) {
buf << ", " << new_prefixes[i];
}
buf << " {";
for (int i = 0; i < contents->size(); ++i) {
if (contents->at(i).type == comment || contents->at(i).type == rule) contents->at(i).emit_nested_css(buf, "", depth + 1); // rules
for (int i = 0; i < block.children->size(); ++i) {
Type stm_type = block.children->at(i).type;
if (stm_type == comment || stm_type == rule) {
block.children->at(i).emit_nested_css(buf, depth+1); // NEED OVERLOADED VERSION FOR COMMENTS AND RULES
}
}
buf << " }" << endl;
++depth; // if we printed content at this level, we need to indent any nested rulesets
}
if (has_rulesets) {
for (int i = 0; i < contents->size(); ++i) { // do each nested ruleset
if (contents->at(i).type == ruleset) contents->at(i).emit_nested_css(buf, prefix + (prefix.empty() ? "" : " ") + string((*children)[0].token), depth + (has_rules_or_comments ? 1 : 0));
if (block.has_rulesets) {
for (int i = 0; i < block.children->size(); ++i) {
if (block.children->at(i).type == ruleset) {
block.children->at(i).emit_nested_css(buf, depth, new_prefixes);
}
}
}
if (depth == 0 && prefix.empty()) buf << endl;
break;
if (depth == 0 && prefixes.empty()) buf << endl;
} break;
default:
break;
}
}
void Node::emit_nested_css(stringstream& buf, size_t depth)
{
switch (type) {
case rule:
buf << endl << indentation;
children->at(0).emit_nested_css(buf, "", depth); // property
children->at(1).emit_nested_css(buf, "", depth); // values
buf << endl << string(2*depth, ' ');
children->at(0).emit_nested_css(buf, depth); // property
children->at(1).emit_nested_css(buf, depth); // values
buf << ";";
break;
case property:
......@@ -179,22 +131,78 @@ namespace Sass {
buf << " " << string((*children)[i].token);
}
break;
case selector_group:
children->at(0).emit_nested_css(buf, prefix, depth);
for (int i = 1; i < children->size(); ++i) {
children->at(i).emit_nested_css(buf, prefix, depth);
}
break;
case selector:
buf << prefix << (prefix.empty() ? "" : " ") << string(token);
break;
case comment:
if (depth != 0) buf << endl;
buf << indentation << string(token);
if (depth != 0) buf << endl;
buf << string(2*depth, ' ') << string(token);
if (depth == 0) buf << endl;
break;
default:
break;
}
}
// void Node::emit_nested_css(stringstream& buf,
// const string& prefix,
// size_t depth) {
// string indentation(2 * depth, ' ');
// vector<Node>* contents;
// if (type == ruleset) {
// Node block(children->at(1));
// contents = block.children;
// has_rules_or_comments = block.has_rules_or_comments;
// has_rulesets = block.has_rulesets;
// }
// switch (type) {
// case ruleset:
// if (has_rules_or_comments) {
// buf << indentation;
// children->at(0).emit_nested_css(buf, prefix, depth); // selector group
// buf << " {";
// for (int i = 0; i < contents->size(); ++i) {
// if (contents->at(i).type == comment || contents->at(i).type == rule) contents->at(i).emit_nested_css(buf, "", depth + 1); // rules
// }
// buf << " }" << endl;
// }
// if (has_rulesets) {
// for (int i = 0; i < contents->size(); ++i) { // do each nested ruleset
// if (contents->at(i).type == ruleset) contents->at(i).emit_nested_css(buf, prefix + (prefix.empty() ? "" : " ") + string((*children)[0].token), depth + (has_rules_or_comments ? 1 : 0));
// }
// }
// if (depth == 0 && prefix.empty()) buf << endl;
// break;
// case rule:
// buf << endl << indentation;
// children->at(0).emit_nested_css(buf, "", depth); // property
// children->at(1).emit_nested_css(buf, "", depth); // values
// buf << ";";
// break;
// case property:
// buf << string(token) << ":";
// break;
// case values:
// for (int i = 0; i < children->size(); ++i) {
// buf << " " << string((*children)[i].token);
// }
// break;
// case selector_group:
// children->at(0).emit_nested_css(buf, prefix, depth);
// for (int i = 1; i < children->size(); ++i) {
// children->at(i).emit_nested_css(buf, prefix, depth);
// }
// break;
// case selector:
// buf << prefix << (prefix.empty() ? "" : " ") << string(token);
// break;
// case comment:
// if (depth != 0) buf << endl;
// buf << indentation << string(token);
// if (depth == 0) buf << endl;
// break;
// }
// }
void Node::emit_expanded_css(stringstream& buf, const string& prefix) {
// switch (type) {
......
node.hpp
......@@ -156,7 +156,10 @@ namespace Sass {
void release() const { children = 0; }
void echo(size_t depth = 0);
void emit_nested_css(stringstream& buf, const string& prefix, size_t depth);
void emit_nested_css(stringstream& buf,
size_t depth,
const vector<string>& prefixes);
void emit_nested_css(stringstream& buf, size_t depth);
void emit_expanded_css(stringstream& buf, const string& prefix);
};
}
\ No newline at end of file
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