/**
* Pretty prints the given node
*
* @param node the node, usually a document, to be printed
* @param prefs the formatting preferences
* @param style the formatting style to use
* @param lineSeparator the line separator to use, or null to use the default
* @param endWithNewline if true, ensure that the printed output ends with a newline
* @return a formatted string
*/
@NonNull
public static String prettyPrint(
@NonNull Node node,
@NonNull XmlFormatPreferences prefs,
@NonNull XmlFormatStyle style,
@Nullable String lineSeparator,
boolean endWithNewline) {
XmlPrettyPrinter printer = new XmlPrettyPrinter(prefs, style, lineSeparator);
printer.setEndWithNewline(endWithNewline);
StringBuilder sb = new StringBuilder(1000);
printer.prettyPrint(-1, node, null, null, sb, false /*openTagOnly*/);
String xml = sb.toString();
if (node.getNodeType() == Node.DOCUMENT_NODE && !xml.startsWith("<?")) { // $NON-NLS-1$
xml = XML_PROLOG + xml;
}
return xml;
}
/**
* Pretty-prints the given XML document, which must be well-formed. If it is not, the original
* unformatted XML document is returned
*
* @param xml the XML content to format
* @param prefs the preferences to format with
* @param style the style to format with
* @param lineSeparator the line separator to use, such as "\n" (can be null, in which case the
* system default is looked up via the line.separator property)
* @return the formatted document (or if a parsing error occurred, returns the unformatted
* document)
*/
@NonNull
public static String prettyPrint(
@NonNull String xml,
@NonNull XmlFormatPreferences prefs,
@NonNull XmlFormatStyle style,
@Nullable String lineSeparator) {
Document document = XmlUtils.parseDocumentSilently(xml, true);
if (document != null) {
XmlPrettyPrinter printer = new XmlPrettyPrinter(prefs, style, lineSeparator);
printer.setEndWithNewline(xml.endsWith(printer.getLineSeparator()));
StringBuilder sb = new StringBuilder(3 * xml.length() / 2);
printer.prettyPrint(-1, document, null, null, sb, false /*openTagOnly*/);
return sb.toString();
} else {
// Parser error: just return the unformatted content
return xml;
}
}
private static void formatFile(@NonNull XmlFormatPreferences prefs, File file, boolean stdout) {
if (file.isDirectory()) {
File[] files = file.listFiles();
if (files != null) {
for (File child : files) {
formatFile(prefs, child, stdout);
}
}
} else if (file.isFile() && SdkUtils.endsWithIgnoreCase(file.getName(), DOT_XML)) {
XmlFormatStyle style = null;
if (file.getName().equals(SdkConstants.ANDROID_MANIFEST_XML)) {
style = XmlFormatStyle.MANIFEST;
} else {
File parent = file.getParentFile();
if (parent != null) {
String parentName = parent.getName();
ResourceFolderType folderType = ResourceFolderType.getFolderType(parentName);
if (folderType == ResourceFolderType.LAYOUT) {
style = XmlFormatStyle.LAYOUT;
} else if (folderType == ResourceFolderType.VALUES) {
style = XmlFormatStyle.RESOURCE;
}
}
}
try {
String xml = Files.toString(file, Charsets.UTF_8);
Document document = XmlUtils.parseDocumentSilently(xml, true);
if (document == null) {
System.err.println("Could not parse " + file);
System.exit(1);
return;
}
if (style == null) {
style = XmlFormatStyle.get(document);
}
boolean endWithNewline = xml.endsWith("\n");
int firstNewLine = xml.indexOf('\n');
String lineSeparator =
firstNewLine > 0 && xml.charAt(firstNewLine - 1) == '\r' ? "\r\n" : "\n";
String formatted =
XmlPrettyPrinter.prettyPrint(document, prefs, style, lineSeparator, endWithNewline);
if (stdout) {
System.out.println(formatted);
} else {
Files.write(formatted, file, Charsets.UTF_8);
}
} catch (IOException e) {
System.err.println("Could not read " + file);
System.exit(1);
}
}
}
public void testRenderDrawable() throws Exception {
VirtualFile file =
myFixture.copyFileToProject(
"drawables/progress_horizontal.xml", "res/drawable/progress_horizontal.xml");
assertNotNull(file);
RenderService service = getRenderService(file);
assertNotNull(service);
ILayoutPullParser parser = LayoutPullParserFactory.create(service);
assertTrue(parser instanceof DomPullParser);
Element root = ((DomPullParser) parser).getRoot();
String layout = XmlPrettyPrinter.prettyPrint(root, true);
assertEquals(
"<ImageView\n"
+ "xmlns:android=\"http://schemas.android.com/apk/res/android\"\n"
+ "layout_width=\"fill_parent\"\n"
+ "layout_height=\"fill_parent\"\n"
+ "src=\"@drawable/progress_horizontal\" />\n",
layout);
checkRendering(service, "drawable/progress_horizontal.png");
}
@Override
protected void postWriteAction() throws ConsumerException {
// now write the values files.
for (String key : mValuesResMap.keySet()) {
// the key is the qualifier.
// check if we have to write the file due to deleted values.
// also remove it from that list anyway (to detect empty qualifiers later).
boolean mustWriteFile = mQualifierWithDeletedValues.remove(key);
// get the list of items to write
List<ResourceItem> items = mValuesResMap.get(key);
// now check if we really have to write it
if (!mustWriteFile) {
for (ResourceItem item : items) {
if (item.isTouched()) {
mustWriteFile = true;
break;
}
}
}
if (mustWriteFile) {
String folderName =
key.isEmpty()
? ResourceFolderType.VALUES.getName()
: ResourceFolderType.VALUES.getName() + RES_QUALIFIER_SEP + key;
try {
File valuesFolder = new File(getRootFolder(), folderName);
createDir(valuesFolder);
File outFile = new File(valuesFolder, FN_VALUES_XML);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
factory.setIgnoringComments(true);
DocumentBuilder builder;
builder = factory.newDocumentBuilder();
Document document = builder.newDocument();
Node rootNode = document.createElement(TAG_RESOURCES);
document.appendChild(rootNode);
Collections.sort(items);
ResourceFile currentFile = null;
for (ResourceItem item : items) {
ResourceFile source = item.getSource();
if (source != currentFile) {
currentFile = source;
rootNode.appendChild(document.createTextNode("\n"));
File file = source.getFile();
rootNode.appendChild(document.createComment(createPathComment(file)));
rootNode.appendChild(document.createTextNode("\n"));
}
Node adoptedNode = NodeUtils.adoptNode(document, item.getValue());
rootNode.appendChild(adoptedNode);
}
String content;
try {
content = XmlPrettyPrinter.prettyPrint(document, true);
} catch (Throwable t) {
content = XmlUtils.toXml(document, false);
}
Files.write(content, outFile, Charsets.UTF_8);
} catch (Throwable t) {
throw new ConsumerException(t);
}
}
}
// now remove empty values files.
for (String key : mQualifierWithDeletedValues) {
String folderName =
key != null && !key.isEmpty()
? ResourceFolderType.VALUES.getName() + RES_QUALIFIER_SEP + key
: ResourceFolderType.VALUES.getName();
removeOutFile(folderName, FN_VALUES_XML);
}
}