com.github.sommeri.less4j.utils.LessPrinter 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.Iterator;
import java.util.List;

import com.github.sommeri.less4j.core.ast.MixinReference;
import com.github.sommeri.less4j.core.ast.ReusableStructureName;
import com.github.sommeri.less4j.core.ast.Variable;

public class LessPrinter {
  
  public String toString(MixinReference reference) {
    StringBuilder result = new StringBuilder();
    Iterator iterator = reference.getNameChain().iterator();
    if (iterator.hasNext())
      result.append(iterator.next().asString());

    while (iterator.hasNext()) {
      result.append(" > ");
      result.append(iterator.next().asString());
    }

    result.append(" > ");
    result.append(reference.getFinalNameAsString());
    result.append("(...)");

    return result.toString();
  }

  
  public String toVariablesString(List cycle) {
    String result = "";
    Iterator iCycle = cycle.iterator();
    while (iCycle.hasNext()) {
      Variable variable = iCycle.next();
      result += variable.getName() + " ("+ variable.getSourceLine()+":"+variable.getSourceColumn()+") ";
      if (iCycle.hasNext())
        result +="-> ";
    }
    
    return result;
  }

  public String toMixinReferencesString(List cycle) {
    String result = "";
    Iterator iReference = cycle.iterator();
    while (iReference.hasNext()) {
      MixinReference reference = iReference.next();
      result += reference.getFinalName() + " ("+ reference.getSourceLine()+":"+reference.getSourceColumn()+") ";
      if (iReference.hasNext())
        result +="-> ";
    }
    
    return result;
  }

}