2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.sal.binding.generator.impl;
10 import com.google.common.base.CharMatcher;
11 import com.google.common.base.Strings;
12 import com.google.common.collect.Iterables;
13 import java.util.StringTokenizer;
14 import org.opendaylight.yangtools.yang.common.QName;
16 final class YangTextTemplate {
17 private static final CharMatcher NEWLINE_OR_TAB = CharMatcher.anyOf("\n\t");
19 private YangTextTemplate() {
20 throw new UnsupportedOperationException();
23 static String formatSchemaPath(final String moduleName, final Iterable<QName> schemaPath) {
24 final StringBuilder sb = new StringBuilder();
25 sb.append(moduleName);
27 QName currentElement = Iterables.getFirst(schemaPath, null);
28 for (QName pathElement : schemaPath) {
30 if (!currentElement.getNamespace().equals(pathElement.getNamespace())) {
31 currentElement = pathElement;
32 sb.append(pathElement);
34 sb.append(pathElement.getLocalName());
40 static String formatToAugmentPath(final Iterable<QName> schemaPath) {
41 final StringBuilder sb = new StringBuilder();
42 for (QName pathElement : schemaPath) {
43 sb.append("\\(").append(pathElement.getNamespace()).append(')').append(pathElement.getLocalName());
48 static String formatToParagraph(final String text, final int nextLineIndent) {
49 if (Strings.isNullOrEmpty(text)) {
53 final StringBuilder sb = new StringBuilder();
54 final StringBuilder lineBuilder = new StringBuilder();
55 boolean isFirstElementOnNewLineEmptyChar = false;
56 final String lineIndent = Strings.repeat(" ", nextLineIndent);
58 String formattedText = NEWLINE_OR_TAB.removeFrom(text);
59 formattedText = formattedText.replaceAll(" +", " ");
61 final StringTokenizer tokenizer = new StringTokenizer(formattedText, " ", true);
63 while (tokenizer.hasMoreElements()) {
64 final String nextElement = tokenizer.nextElement().toString();
66 if (lineBuilder.length() + nextElement.length() > 80) {
67 // Trim trailing whitespace
68 for (int i = lineBuilder.length() - 1; i >= 0 && lineBuilder.charAt(i) != ' '; --i) {
69 lineBuilder.setLength(i);
72 // Trim leading whitespace
73 while (lineBuilder.charAt(0) == ' ') {
74 lineBuilder.deleteCharAt(0);
77 sb.append(lineBuilder).append('\n');
78 lineBuilder.setLength(0);
80 if (nextLineIndent > 0) {
81 sb.append(lineIndent);
84 if (" ".equals(nextElement)) {
85 isFirstElementOnNewLineEmptyChar = true;
88 if (isFirstElementOnNewLineEmptyChar) {
89 isFirstElementOnNewLineEmptyChar = false;
91 lineBuilder.append(nextElement);
95 return sb.append(lineBuilder).append('\n').toString();