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import Visitor from "./visitor";
export function print(ast) {
return new PrintVisitor().accept(ast);
}
export function PrintVisitor() {
this.padding = 0;
}
PrintVisitor.prototype = new Visitor();
PrintVisitor.prototype.pad = function(string) {
var out = "";
for(var i=0,l=this.padding; i<l; i++) {
out = out + " ";
}
out = out + string + "\n";
return out;
};
PrintVisitor.prototype.program = function(program) {
var out = "",
statements = program.statements,
i, l;
for(i=0, l=statements.length; i<l; i++) {
out = out + this.accept(statements[i]);
}
this.padding--;
return out;
};
PrintVisitor.prototype.block = function(block) {
var out = "";
out = out + this.pad("BLOCK:");
this.padding++;
out = out + this.accept(block.mustache);
if (block.program) {
out = out + this.pad("PROGRAM:");
this.padding++;
out = out + this.accept(block.program);
this.padding--;
}
if (block.inverse) {
if (block.program) { this.padding++; }
out = out + this.pad("{{^}}");
this.padding++;
out = out + this.accept(block.inverse);
this.padding--;
if (block.program) { this.padding--; }
}
this.padding--;
return out;
};
PrintVisitor.prototype.sexpr = function(sexpr) {
var params = sexpr.params, paramStrings = [], hash;
for(var i=0, l=params.length; i<l; i++) {
paramStrings.push(this.accept(params[i]));
}
params = "[" + paramStrings.join(", ") + "]";
hash = sexpr.hash ? " " + this.accept(sexpr.hash) : "";
return this.accept(sexpr.id) + " " + params + hash;
};
PrintVisitor.prototype.mustache = function(mustache) {
return this.pad("{{ " + this.accept(mustache.sexpr) + " }}");
};
PrintVisitor.prototype.partial = function(partial) {
var content = this.accept(partial.partialName);
if(partial.context) {
content += " " + this.accept(partial.context);
}
if (partial.hash) {
content += " " + this.accept(partial.hash);
}
return this.pad("{{> " + content + " }}");
};
PrintVisitor.prototype.hash = function(hash) {
var pairs = hash.pairs;
var joinedPairs = [], left, right;
for(var i=0, l=pairs.length; i<l; i++) {
left = pairs[i][0];
right = this.accept(pairs[i][1]);
joinedPairs.push( left + "=" + right );
}
return "HASH{" + joinedPairs.join(", ") + "}";
};
PrintVisitor.prototype.STRING = function(string) {
return '"' + string.string + '"';
};
PrintVisitor.prototype.NUMBER = function(number) {
return "NUMBER{" + number.number + "}";
};
PrintVisitor.prototype.BOOLEAN = function(bool) {
return "BOOLEAN{" + bool.bool + "}";
};
PrintVisitor.prototype.ID = function(id) {
var path = id.parts.join("/");
if(id.parts.length > 1) {
return "PATH:" + path;
} else {
return "ID:" + path;
}
};
PrintVisitor.prototype.PARTIAL_NAME = function(partialName) {
return "PARTIAL:" + partialName.name;
};
PrintVisitor.prototype.DATA = function(data) {
return "@" + this.accept(data.id);
};
PrintVisitor.prototype.content = function(content) {
return this.pad("CONTENT[ '" + content.string + "' ]");
};
PrintVisitor.prototype.comment = function(comment) {
return this.pad("{{! '" + comment.comment + "' }}");
};
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