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- /*
- * Copyright 2000-2013 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
- package com.vaadin.sass.internal.tree;
-
- import java.util.ArrayList;
- import java.util.regex.Pattern;
-
- import com.vaadin.sass.internal.ScssStylesheet;
- import com.vaadin.sass.internal.expression.ArithmeticExpressionEvaluator;
- import com.vaadin.sass.internal.parser.LexicalUnitImpl;
- import com.vaadin.sass.internal.util.StringUtil;
-
- public class RuleNode extends Node implements IVariableNode {
- private static final long serialVersionUID = 6653493127869037022L;
-
- String variable;
- LexicalUnitImpl value;
- String comment;
- private boolean important;
-
- public RuleNode(String variable, LexicalUnitImpl value, boolean important,
- String comment) {
- this.variable = variable;
- this.value = value;
- this.important = important;
- this.comment = comment;
- }
-
- public String getVariable() {
- return variable;
- }
-
- public void setVariable(String variable) {
- this.variable = variable;
- }
-
- public LexicalUnitImpl getValue() {
- return value;
- }
-
- public void setValue(LexicalUnitImpl value) {
- this.value = value;
- }
-
- @Override
- public String toString() {
- StringBuilder builder = new StringBuilder();
- builder.append(variable).append(": ").append(value.toString());
- builder.append(important ? " !important;" : ";");
- if (comment != null) {
- builder.append(comment);
- }
- return builder.toString();
- }
-
- public boolean isImportant() {
- return important;
- }
-
- public void setImportant(boolean important) {
- this.important = important;
- }
-
- public String getComment() {
- return comment;
- }
-
- public void setComment(String comment) {
- this.comment = comment;
- }
-
- @Override
- public void replaceVariables(ArrayList<VariableNode> variables) {
- for (final VariableNode node : variables) {
-
- String interpolation = "#{$" + node.getName() + "}";
-
- if (variable != null && variable.contains(interpolation)) {
- variable = variable.replaceAll(Pattern.quote(interpolation),
- node.getExpr().unquotedString());
-
- }
-
- if (value.getLexicalUnitType() == LexicalUnitImpl.SAC_FUNCTION) {
-
- if (value.getParameters() != null) {
- if (StringUtil.containsVariable(value.getParameters()
- .toString(), node.getName())) {
- LexicalUnitImpl param = value.getParameters();
- while (param != null) {
- if (param.getLexicalUnitType() == LexicalUnitImpl.SCSS_VARIABLE
- && param.getValue().toString()
- .equals(node.getName())) {
- param.replaceValue(node.getExpr());
- }
- param = param.getNextLexicalUnit();
- }
- }
- }
- } else if (value.getStringValue() != null
- && value.getStringValue().contains(interpolation)) {
- LexicalUnitImpl current = value;
- while (current != null) {
- if (current.getValue().toString().contains(interpolation)) {
-
- current.setStringValue(current
- .getValue()
- .toString()
- .replaceAll(Pattern.quote(interpolation),
- node.getExpr().unquotedString()));
- }
- current = current.getNextLexicalUnit();
- }
- } else {
- LexicalUnitImpl current = value;
- while (current != null) {
- if (current.getLexicalUnitType() == LexicalUnitImpl.SCSS_VARIABLE
- && current.getValue().toString()
- .equals(node.getName())) {
-
- current.replaceValue(node.getExpr());
- }
- current = current.getNextLexicalUnit();
- }
- }
- }
- }
-
- @Override
- public void traverse() {
- /*
- * "replaceVariables(ScssStylesheet.getVariables());" seems duplicated
- * and can be extracted out of if, but it is not.
- * containsArithmeticalOperator must be called before replaceVariables.
- * Because for the "/" operator, it needs to see if its predecessor or
- * successor is a Variable or not, to determine it is an arithmetic
- * operator.
- */
- if (ArithmeticExpressionEvaluator.get().containsArithmeticalOperator(
- value)) {
- replaceVariables(ScssStylesheet.getVariables());
- value = ArithmeticExpressionEvaluator.get().evaluate(value);
- } else {
- replaceVariables(ScssStylesheet.getVariables());
- }
- }
- }
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