com.github.sommeri.less4j.utils.InStringCssPrinter Maven / Gradle / Ivy

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Less language is an extension of css and less4j compiles it into regular css. It adds several dynamic features into css: variables, expressions, nested rules. Less4j is a port. The original compiler was written in JavaScript and is called less.js. The less language is mostly defined in less.js documentation/issues and by what less.js actually do. Links to less.js: * home page: http://lesscss.org/ * source code & issues: https://github.com/cloudhead/less.js

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package com.github.sommeri.less4j.utils;

import java.util.ArrayList;
import java.util.List;

import com.github.sommeri.less4j.core.ast.ASTCssNode;
import com.github.sommeri.less4j.core.ast.ColorExpression;
import com.github.sommeri.less4j.core.ast.Comment;
import com.github.sommeri.less4j.core.ast.CssString;
import com.github.sommeri.less4j.core.ast.DetachedRuleset;

public class InStringCssPrinter extends CssPrinter {

  private List unprintableNodes = new ArrayList();

  public InStringCssPrinter() {
  }

  @Override
  protected void appendComments(List comments, boolean ensureSeparator) {
  }

  @Override
  public boolean appendCssString(CssString expression) {
    cssOnly.append(expression.getValue());
    return true;
  }

  @Override
  protected boolean appendColorExpression(ColorExpression expression) {
    cssOnly.append(expression.getValueInHexadecimal());
    return true;
  }
  
  public boolean appendDetachedRuleset(DetachedRuleset node) {
    cssOnly.append(ERROR);
    unprintableNodes.add(node);
    return true;
  }

  public List getUnprintableNodes() {
    return unprintableNodes;
  }

}