995 lines
32 KiB
Java
995 lines
32 KiB
Java
/*
|
|
* Copyright (C) 2010 Ryszard Wiśniewski <brut.alll@gmail.com>
|
|
* Copyright (C) 2010 Connor Tumbleson <connor.tumbleson@gmail.com>
|
|
*
|
|
* 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
|
|
*
|
|
* https://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 brut.androlib.res.decoder;
|
|
|
|
import android.content.res.XmlResourceParser;
|
|
import android.util.TypedValue;
|
|
import brut.androlib.AndrolibException;
|
|
import brut.androlib.res.data.ResID;
|
|
import brut.androlib.res.xml.ResXmlEncoders;
|
|
import brut.util.ExtDataInput;
|
|
import com.google.common.io.LittleEndianDataInputStream;
|
|
import org.xmlpull.v1.XmlPullParserException;
|
|
import java.io.DataInput;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.Reader;
|
|
import java.util.logging.Level;
|
|
import java.util.logging.Logger;
|
|
|
|
/**
|
|
* Binary xml files parser.
|
|
*
|
|
* Parser has only two states: (1) Operational state, which parser
|
|
* obtains after first successful call to next() and retains until
|
|
* open(), close(), or failed call to next(). (2) Closed state, which
|
|
* parser obtains after open(), close(), or failed call to next(). In
|
|
* this state methods return invalid values or throw exceptions.
|
|
*
|
|
* TODO: * check all methods in closed state
|
|
*/
|
|
public class AXmlResourceParser implements XmlResourceParser {
|
|
|
|
public AXmlResourceParser() {
|
|
resetEventInfo();
|
|
}
|
|
|
|
public AXmlResourceParser(InputStream stream) {
|
|
this();
|
|
open(stream);
|
|
}
|
|
|
|
public AndrolibException getFirstError() {
|
|
return mFirstError;
|
|
}
|
|
|
|
public ResAttrDecoder getAttrDecoder() {
|
|
return mAttrDecoder;
|
|
}
|
|
|
|
public void setAttrDecoder(ResAttrDecoder attrDecoder) {
|
|
mAttrDecoder = attrDecoder;
|
|
}
|
|
|
|
public void open(InputStream stream) {
|
|
close();
|
|
if (stream != null) {
|
|
// We need to explicitly cast to DataInput as otherwise the constructor is ambiguous.
|
|
// We choose DataInput instead of InputStream as ExtDataInput wraps an InputStream in
|
|
// a DataInputStream which is big-endian and ignores the little-endian behavior.
|
|
m_reader = new ExtDataInput((DataInput) new LittleEndianDataInputStream(stream));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void close() {
|
|
if (!m_operational) {
|
|
return;
|
|
}
|
|
m_operational = false;
|
|
m_reader = null;
|
|
m_strings = null;
|
|
m_resourceIDs = null;
|
|
m_namespaces.reset();
|
|
resetEventInfo();
|
|
}
|
|
|
|
// ///////////////////////////////// iteration
|
|
@Override
|
|
public int next() throws XmlPullParserException, IOException {
|
|
if (m_reader == null) {
|
|
throw new XmlPullParserException("Parser is not opened.", this, null);
|
|
}
|
|
try {
|
|
doNext();
|
|
return m_event;
|
|
} catch (IOException e) {
|
|
close();
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int nextToken() throws XmlPullParserException, IOException {
|
|
return next();
|
|
}
|
|
|
|
@Override
|
|
public int nextTag() throws XmlPullParserException, IOException {
|
|
int eventType = next();
|
|
if (eventType == TEXT && isWhitespace()) {
|
|
eventType = next();
|
|
}
|
|
if (eventType != START_TAG && eventType != END_TAG) {
|
|
throw new XmlPullParserException("Expected start or end tag.", this, null);
|
|
}
|
|
return eventType;
|
|
}
|
|
|
|
@Override
|
|
public String nextText() throws XmlPullParserException, IOException {
|
|
if (getEventType() != START_TAG) {
|
|
throw new XmlPullParserException("Parser must be on START_TAG to read next text.", this, null);
|
|
}
|
|
int eventType = next();
|
|
if (eventType == TEXT) {
|
|
String result = getText();
|
|
eventType = next();
|
|
if (eventType != END_TAG) {
|
|
throw new XmlPullParserException("Event TEXT must be immediately followed by END_TAG.", this, null);
|
|
}
|
|
return result;
|
|
} else if (eventType == END_TAG) {
|
|
return "";
|
|
} else {
|
|
throw new XmlPullParserException("Parser must be on START_TAG or TEXT to read text.", this, null);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void require(int type, String namespace, String name)
|
|
throws XmlPullParserException, IOException {
|
|
if (type != getEventType() || (namespace != null && !namespace.equals(getNamespace()))
|
|
|| (name != null && !name.equals(getName()))) {
|
|
throw new XmlPullParserException(TYPES[type] + " is expected.", this, null);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int getDepth() {
|
|
return m_namespaces.getDepth() - 1;
|
|
}
|
|
|
|
@Override
|
|
public int getEventType() throws XmlPullParserException {
|
|
return m_event;
|
|
}
|
|
|
|
@Override
|
|
public int getLineNumber() {
|
|
return m_lineNumber;
|
|
}
|
|
|
|
@Override
|
|
public String getName() {
|
|
if (m_name == -1 || (m_event != START_TAG && m_event != END_TAG)) {
|
|
return null;
|
|
}
|
|
return m_strings.getString(m_name);
|
|
}
|
|
|
|
@Override
|
|
public String getText() {
|
|
if (m_name == -1 || m_event != TEXT) {
|
|
return null;
|
|
}
|
|
return m_strings.getString(m_name);
|
|
}
|
|
|
|
@Override
|
|
public char[] getTextCharacters(int[] holderForStartAndLength) {
|
|
String text = getText();
|
|
if (text == null) {
|
|
return null;
|
|
}
|
|
holderForStartAndLength[0] = 0;
|
|
holderForStartAndLength[1] = text.length();
|
|
char[] chars = new char[text.length()];
|
|
text.getChars(0, text.length(), chars, 0);
|
|
return chars;
|
|
}
|
|
|
|
@Override
|
|
public String getNamespace() {
|
|
return m_strings.getString(m_namespaceUri);
|
|
}
|
|
|
|
@Override
|
|
public String getPrefix() {
|
|
int prefix = m_namespaces.findPrefix(m_namespaceUri);
|
|
return m_strings.getString(prefix);
|
|
}
|
|
|
|
@Override
|
|
public String getPositionDescription() {
|
|
return "XML line #" + getLineNumber();
|
|
}
|
|
|
|
@Override
|
|
public int getNamespaceCount(int depth) {
|
|
return m_namespaces.getAccumulatedCount(depth);
|
|
}
|
|
|
|
@Override
|
|
public String getNamespacePrefix(int pos) {
|
|
int prefix = m_namespaces.getPrefix(pos);
|
|
return m_strings.getString(prefix);
|
|
}
|
|
|
|
@Override
|
|
public String getNamespaceUri(int pos) {
|
|
int uri = m_namespaces.getUri(pos);
|
|
return m_strings.getString(uri);
|
|
}
|
|
|
|
// ///////////////////////////////// attributes
|
|
@Override
|
|
public String getClassAttribute() {
|
|
if (m_classAttribute == -1) {
|
|
return null;
|
|
}
|
|
int offset = getAttributeOffset(m_classAttribute);
|
|
int value = m_attributes[offset + ATTRIBUTE_IX_VALUE_STRING];
|
|
return m_strings.getString(value);
|
|
}
|
|
|
|
@Override
|
|
public String getIdAttribute() {
|
|
if (m_idAttribute == -1) {
|
|
return null;
|
|
}
|
|
int offset = getAttributeOffset(m_idAttribute);
|
|
int value = m_attributes[offset + ATTRIBUTE_IX_VALUE_STRING];
|
|
return m_strings.getString(value);
|
|
}
|
|
|
|
@Override
|
|
public int getIdAttributeResourceValue(int defaultValue) {
|
|
if (m_idAttribute == -1) {
|
|
return defaultValue;
|
|
}
|
|
int offset = getAttributeOffset(m_idAttribute);
|
|
int valueType = m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE];
|
|
if (valueType != TypedValue.TYPE_REFERENCE) {
|
|
return defaultValue;
|
|
}
|
|
return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
}
|
|
|
|
@Override
|
|
public int getStyleAttribute() {
|
|
if (m_styleAttribute == -1) {
|
|
return 0;
|
|
}
|
|
int offset = getAttributeOffset(m_styleAttribute);
|
|
return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeCount() {
|
|
if (m_event != START_TAG) {
|
|
return -1;
|
|
}
|
|
return m_attributes.length / ATTRIBUTE_LENGTH;
|
|
}
|
|
|
|
@Override
|
|
public String getAttributeNamespace(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
int namespace = m_attributes[offset + ATTRIBUTE_IX_NAMESPACE_URI];
|
|
if (namespace == -1) {
|
|
return "";
|
|
}
|
|
|
|
// Minifiers like removing the namespace, so we will default to default namespace
|
|
// unless the pkgId of the resource is private. We will grab the non-standard one.
|
|
String value = m_strings.getString(namespace);
|
|
|
|
if (value.length() == 0) {
|
|
ResID resourceId = new ResID(getAttributeNameResource(index));
|
|
if (resourceId.package_ == PRIVATE_PKG_ID) {
|
|
value = getNonDefaultNamespaceUri(offset);
|
|
} else {
|
|
value = android_ns;
|
|
}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
private String getNonDefaultNamespaceUri(int offset) {
|
|
String prefix = m_strings.getString(m_namespaces.getPrefix(offset));
|
|
if (prefix != null) {
|
|
return m_strings.getString(m_namespaces.getUri(offset));
|
|
}
|
|
|
|
// If we are here. There is some clever obfuscation going on. Our reference points to the namespace are gone.
|
|
// Normally we could take the index * attributeCount to get an offset.
|
|
// That would point to the URI in the StringBlock table, but that is empty.
|
|
// We have the namespaces that can't be touched in the opening tag.
|
|
// Though no known way to correlate them at this time.
|
|
// So return the res-auto namespace.
|
|
return "http://schemas.android.com/apk/res-auto";
|
|
}
|
|
|
|
@Override
|
|
public String getAttributePrefix(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
int uri = m_attributes[offset + ATTRIBUTE_IX_NAMESPACE_URI];
|
|
int prefix = m_namespaces.findPrefix(uri);
|
|
if (prefix == -1) {
|
|
return "";
|
|
}
|
|
return m_strings.getString(prefix);
|
|
}
|
|
|
|
@Override
|
|
public String getAttributeName(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
int name = m_attributes[offset + ATTRIBUTE_IX_NAME];
|
|
if (name == -1) {
|
|
return "";
|
|
}
|
|
|
|
String value = m_strings.getString(name);
|
|
String namespace = getAttributeNamespace(index);
|
|
|
|
// If attribute name is lacking or a private namespace emerges,
|
|
// retrieve the exact attribute name by its id.
|
|
if (value == null || value.length() == 0) {
|
|
try {
|
|
value = mAttrDecoder.decodeManifestAttr(getAttributeNameResource(index));
|
|
if (value == null) {
|
|
value = "";
|
|
}
|
|
} catch (AndrolibException e) {
|
|
value = "";
|
|
}
|
|
} else if (! namespace.equals(android_ns)) {
|
|
try {
|
|
String obfuscatedName = mAttrDecoder.decodeManifestAttr(getAttributeNameResource(index));
|
|
if (! (obfuscatedName == null || obfuscatedName.equals(value))) {
|
|
value = obfuscatedName;
|
|
}
|
|
} catch (AndrolibException ignored) {}
|
|
}
|
|
return value;
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeNameResource(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
int name = m_attributes[offset + ATTRIBUTE_IX_NAME];
|
|
if (m_resourceIDs == null || name < 0 || name >= m_resourceIDs.length) {
|
|
return 0;
|
|
}
|
|
return m_resourceIDs[name];
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeValueType(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
return m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE];
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeValueData(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
}
|
|
|
|
@Override
|
|
public String getAttributeValue(int index) {
|
|
int offset = getAttributeOffset(index);
|
|
int valueType = m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE];
|
|
int valueData = m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
int valueRaw = m_attributes[offset + ATTRIBUTE_IX_VALUE_STRING];
|
|
|
|
if (mAttrDecoder != null) {
|
|
try {
|
|
String value = valueRaw == -1 ? null : ResXmlEncoders.escapeXmlChars(m_strings.getString(valueRaw));
|
|
String obfuscatedValue = mAttrDecoder.decodeManifestAttr(valueData);
|
|
|
|
if (! (value == null || obfuscatedValue == null)) {
|
|
int slashPos = value.lastIndexOf("/");
|
|
|
|
if (slashPos != -1) {
|
|
// Handle a value with a format of "@yyy/xxx"
|
|
String dir = value.substring(0, slashPos);
|
|
value = dir + "/"+ obfuscatedValue;
|
|
} else if (! value.equals(obfuscatedValue)) {
|
|
value = obfuscatedValue;
|
|
}
|
|
}
|
|
|
|
return mAttrDecoder.decode(
|
|
valueType,
|
|
valueData,
|
|
value,
|
|
getAttributeNameResource(index)
|
|
);
|
|
} catch (AndrolibException ex) {
|
|
setFirstError(ex);
|
|
LOGGER.log(Level.WARNING, String.format("Could not decode attr value, using undecoded value "
|
|
+ "instead: ns=%s, name=%s, value=0x%08x",
|
|
getAttributePrefix(index),
|
|
getAttributeName(index),
|
|
valueData), ex);
|
|
}
|
|
}
|
|
return TypedValue.coerceToString(valueType, valueData);
|
|
}
|
|
|
|
@Override
|
|
public boolean getAttributeBooleanValue(int index, boolean defaultValue) {
|
|
return getAttributeIntValue(index, defaultValue ? 1 : 0) != 0;
|
|
}
|
|
|
|
@Override
|
|
public float getAttributeFloatValue(int index, float defaultValue) {
|
|
int offset = getAttributeOffset(index);
|
|
int valueType = m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE];
|
|
if (valueType == TypedValue.TYPE_FLOAT) {
|
|
int valueData = m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
return Float.intBitsToFloat(valueData);
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeIntValue(int index, int defaultValue) {
|
|
int offset = getAttributeOffset(index);
|
|
int valueType = m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE];
|
|
if (valueType >= TypedValue.TYPE_FIRST_INT && valueType <= TypedValue.TYPE_LAST_INT) {
|
|
return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeUnsignedIntValue(int index, int defaultValue) {
|
|
return getAttributeIntValue(index, defaultValue);
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeResourceValue(int index, int defaultValue) {
|
|
int offset = getAttributeOffset(index);
|
|
int valueType = m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE];
|
|
if (valueType == TypedValue.TYPE_REFERENCE) {
|
|
return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA];
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
@Override
|
|
public String getAttributeValue(String namespace, String attribute) {
|
|
int index = findAttribute(namespace, attribute);
|
|
if (index == -1) {
|
|
return "";
|
|
}
|
|
return getAttributeValue(index);
|
|
}
|
|
|
|
@Override
|
|
public boolean getAttributeBooleanValue(String namespace, String attribute, boolean defaultValue) {
|
|
int index = findAttribute(namespace, attribute);
|
|
if (index == -1) {
|
|
return defaultValue;
|
|
}
|
|
return getAttributeBooleanValue(index, defaultValue);
|
|
}
|
|
|
|
@Override
|
|
public float getAttributeFloatValue(String namespace, String attribute, float defaultValue) {
|
|
int index = findAttribute(namespace, attribute);
|
|
if (index == -1) {
|
|
return defaultValue;
|
|
}
|
|
return getAttributeFloatValue(index, defaultValue);
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeIntValue(String namespace, String attribute, int defaultValue) {
|
|
int index = findAttribute(namespace, attribute);
|
|
if (index == -1) {
|
|
return defaultValue;
|
|
}
|
|
return getAttributeIntValue(index, defaultValue);
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeUnsignedIntValue(String namespace, String attribute, int defaultValue) {
|
|
int index = findAttribute(namespace, attribute);
|
|
if (index == -1) {
|
|
return defaultValue;
|
|
}
|
|
return getAttributeUnsignedIntValue(index, defaultValue);
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeResourceValue(String namespace, String attribute, int defaultValue) {
|
|
int index = findAttribute(namespace, attribute);
|
|
if (index == -1) {
|
|
return defaultValue;
|
|
}
|
|
return getAttributeResourceValue(index, defaultValue);
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeListValue(int index, String[] options, int defaultValue) {
|
|
// TODO implement
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public int getAttributeListValue(String namespace, String attribute, String[] options, int defaultValue) {
|
|
// TODO implement
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public String getAttributeType(int index) {
|
|
return "CDATA";
|
|
}
|
|
|
|
@Override
|
|
public boolean isAttributeDefault(int index) {
|
|
return false;
|
|
}
|
|
|
|
// ///////////////////////////////// dummies
|
|
@Override
|
|
public void setInput(InputStream stream, String inputEncoding) {
|
|
open(stream);
|
|
}
|
|
|
|
@Override
|
|
public void setInput(Reader reader) throws XmlPullParserException {
|
|
throw new XmlPullParserException(E_NOT_SUPPORTED);
|
|
}
|
|
|
|
@Override
|
|
public String getInputEncoding() {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public int getColumnNumber() {
|
|
return -1;
|
|
}
|
|
|
|
@Override
|
|
public boolean isEmptyElementTag() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean isWhitespace() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public void defineEntityReplacementText(String entityName, String replacementText)
|
|
throws XmlPullParserException {
|
|
throw new XmlPullParserException(E_NOT_SUPPORTED);
|
|
}
|
|
|
|
@Override
|
|
public String getNamespace(String prefix) {
|
|
throw new RuntimeException(E_NOT_SUPPORTED);
|
|
}
|
|
|
|
@Override
|
|
public Object getProperty(String name) {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public void setProperty(String name, Object value)
|
|
throws XmlPullParserException {
|
|
throw new XmlPullParserException(E_NOT_SUPPORTED);
|
|
}
|
|
|
|
@Override
|
|
public boolean getFeature(String feature) {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public void setFeature(String name, boolean value)
|
|
throws XmlPullParserException {
|
|
throw new XmlPullParserException(E_NOT_SUPPORTED);
|
|
}
|
|
|
|
// /////////////////////////////////////////// implementation
|
|
/**
|
|
* Namespace stack, holds prefix+uri pairs, as well as depth information.
|
|
* All information is stored in one int[] array. Array consists of depth
|
|
* frames: Data=DepthFrame*; DepthFrame=Count+[Prefix+Uri]*+Count;
|
|
* Count='count of Prefix+Uri pairs'; Yes, count is stored twice, to enable
|
|
* bottom-up traversal. increaseDepth adds depth frame, decreaseDepth
|
|
* removes it. push/pop operations operate only in current depth frame.
|
|
* decreaseDepth removes any remaining (not pop'ed) namespace pairs. findXXX
|
|
* methods search all depth frames starting from the last namespace pair of
|
|
* current depth frame. All functions that operate with int, use -1 as
|
|
* 'invalid value'.
|
|
*
|
|
* !! functions expect 'prefix'+'uri' pairs, not 'uri'+'prefix' !!
|
|
*
|
|
*/
|
|
private static final class NamespaceStack {
|
|
|
|
public NamespaceStack() {
|
|
m_data = new int[32];
|
|
}
|
|
|
|
public void reset() {
|
|
m_dataLength = 0;
|
|
m_depth = 0;
|
|
}
|
|
|
|
public int getCurrentCount() {
|
|
if (m_dataLength == 0) {
|
|
return 0;
|
|
}
|
|
int offset = m_dataLength - 1;
|
|
return m_data[offset];
|
|
}
|
|
|
|
public int getAccumulatedCount(int depth) {
|
|
if (m_dataLength == 0 || depth < 0) {
|
|
return 0;
|
|
}
|
|
if (depth > m_depth) {
|
|
depth = m_depth;
|
|
}
|
|
int accumulatedCount = 0;
|
|
int offset = 0;
|
|
for (; depth != 0; --depth) {
|
|
int count = m_data[offset];
|
|
accumulatedCount += count;
|
|
offset += (2 + count * 2);
|
|
}
|
|
return accumulatedCount;
|
|
}
|
|
|
|
public void push(int prefix, int uri) {
|
|
if (m_depth == 0) {
|
|
increaseDepth();
|
|
}
|
|
ensureDataCapacity(2);
|
|
int offset = m_dataLength - 1;
|
|
int count = m_data[offset];
|
|
m_data[offset - 1 - count * 2] = count + 1;
|
|
m_data[offset] = prefix;
|
|
m_data[offset + 1] = uri;
|
|
m_data[offset + 2] = count + 1;
|
|
m_dataLength += 2;
|
|
}
|
|
|
|
public boolean pop() {
|
|
if (m_dataLength == 0) {
|
|
return false;
|
|
}
|
|
int offset = m_dataLength - 1;
|
|
int count = m_data[offset];
|
|
if (count == 0) {
|
|
return false;
|
|
}
|
|
count -= 1;
|
|
offset -= 2;
|
|
m_data[offset] = count;
|
|
offset -= (1 + count * 2);
|
|
m_data[offset] = count;
|
|
m_dataLength -= 2;
|
|
return true;
|
|
}
|
|
|
|
public int getPrefix(int index) {
|
|
return get(index, true);
|
|
}
|
|
|
|
public int getUri(int index) {
|
|
return get(index, false);
|
|
}
|
|
|
|
public int findPrefix(int uri) {
|
|
return find(uri, false);
|
|
}
|
|
|
|
public int getDepth() {
|
|
return m_depth;
|
|
}
|
|
|
|
public void increaseDepth() {
|
|
ensureDataCapacity(2);
|
|
int offset = m_dataLength;
|
|
m_data[offset] = 0;
|
|
m_data[offset + 1] = 0;
|
|
m_dataLength += 2;
|
|
m_depth += 1;
|
|
}
|
|
|
|
public void decreaseDepth() {
|
|
if (m_dataLength == 0) {
|
|
return;
|
|
}
|
|
int offset = m_dataLength - 1;
|
|
int count = m_data[offset];
|
|
if ((offset - 1 - count * 2) == 0) {
|
|
return;
|
|
}
|
|
m_dataLength -= 2 + count * 2;
|
|
m_depth -= 1;
|
|
}
|
|
|
|
private void ensureDataCapacity(int capacity) {
|
|
int available = (m_data.length - m_dataLength);
|
|
if (available > capacity) {
|
|
return;
|
|
}
|
|
int newLength = (m_data.length + available) * 2;
|
|
int[] newData = new int[newLength];
|
|
System.arraycopy(m_data, 0, newData, 0, m_dataLength);
|
|
m_data = newData;
|
|
}
|
|
|
|
private int find(int prefixOrUri, boolean prefix) {
|
|
if (m_dataLength == 0) {
|
|
return -1;
|
|
}
|
|
int offset = m_dataLength - 1;
|
|
for (int i = m_depth; i != 0; --i) {
|
|
int count = m_data[offset];
|
|
offset -= 2;
|
|
for (; count != 0; --count) {
|
|
if (prefix) {
|
|
if (m_data[offset] == prefixOrUri) {
|
|
return m_data[offset + 1];
|
|
}
|
|
} else {
|
|
if (m_data[offset + 1] == prefixOrUri) {
|
|
return m_data[offset];
|
|
}
|
|
}
|
|
offset -= 2;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
private int get(int index, boolean prefix) {
|
|
if (m_dataLength == 0 || index < 0) {
|
|
return -1;
|
|
}
|
|
int offset = 0;
|
|
for (int i = m_depth; i != 0; --i) {
|
|
int count = m_data[offset];
|
|
if (index >= count) {
|
|
index -= count;
|
|
offset += (2 + count * 2);
|
|
continue;
|
|
}
|
|
offset += (1 + index * 2);
|
|
if (!prefix) {
|
|
offset += 1;
|
|
}
|
|
return m_data[offset];
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
private int[] m_data;
|
|
private int m_dataLength;
|
|
private int m_depth;
|
|
}
|
|
|
|
private int getAttributeOffset(int index) {
|
|
if (m_event != START_TAG) {
|
|
throw new IndexOutOfBoundsException("Current event is not START_TAG.");
|
|
}
|
|
int offset = index * ATTRIBUTE_LENGTH;
|
|
if (offset >= m_attributes.length) {
|
|
throw new IndexOutOfBoundsException("Invalid attribute index (" + index + ").");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
private int findAttribute(String namespace, String attribute) {
|
|
if (m_strings == null || attribute == null) {
|
|
return -1;
|
|
}
|
|
int name = m_strings.find(attribute);
|
|
if (name == -1) {
|
|
return -1;
|
|
}
|
|
int uri = (namespace != null) ? m_strings.find(namespace) : -1;
|
|
for (int o = 0; o != m_attributes.length; o += ATTRIBUTE_LENGTH) {
|
|
if (name == m_attributes[o + ATTRIBUTE_IX_NAME]
|
|
&& (uri == -1 || uri == m_attributes[o + ATTRIBUTE_IX_NAMESPACE_URI])) {
|
|
return o / ATTRIBUTE_LENGTH;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
private void resetEventInfo() {
|
|
m_event = -1;
|
|
m_lineNumber = -1;
|
|
m_name = -1;
|
|
m_namespaceUri = -1;
|
|
m_attributes = null;
|
|
m_idAttribute = -1;
|
|
m_classAttribute = -1;
|
|
m_styleAttribute = -1;
|
|
}
|
|
|
|
private void doNext() throws IOException {
|
|
// Delayed initialization.
|
|
if (m_strings == null) {
|
|
m_reader.skipCheckInt(CHUNK_AXML_FILE, CHUNK_AXML_FILE_BROKEN);
|
|
|
|
/*
|
|
* chunkSize
|
|
*/
|
|
m_reader.skipInt();
|
|
m_strings = StringBlock.read(m_reader);
|
|
m_namespaces.increaseDepth();
|
|
m_operational = true;
|
|
}
|
|
|
|
if (m_event == END_DOCUMENT) {
|
|
return;
|
|
}
|
|
|
|
int event = m_event;
|
|
resetEventInfo();
|
|
|
|
while (true) {
|
|
if (m_decreaseDepth) {
|
|
m_decreaseDepth = false;
|
|
m_namespaces.decreaseDepth();
|
|
}
|
|
|
|
// Fake END_DOCUMENT event.
|
|
if (event == END_TAG && m_namespaces.getDepth() == 1 && m_namespaces.getCurrentCount() == 0) {
|
|
m_event = END_DOCUMENT;
|
|
break;
|
|
}
|
|
|
|
int chunkType;
|
|
if (event == START_DOCUMENT) {
|
|
// Fake event, see CHUNK_XML_START_TAG handler.
|
|
chunkType = CHUNK_XML_START_TAG;
|
|
} else {
|
|
chunkType = m_reader.readInt();
|
|
}
|
|
|
|
if (chunkType == CHUNK_RESOURCEIDS) {
|
|
int chunkSize = m_reader.readInt();
|
|
if (chunkSize < 8 || (chunkSize % 4) != 0) {
|
|
throw new IOException("Invalid resource ids size (" + chunkSize + ").");
|
|
}
|
|
m_resourceIDs = m_reader.readIntArray(chunkSize / 4 - 2);
|
|
continue;
|
|
}
|
|
|
|
if (chunkType < CHUNK_XML_FIRST || chunkType > CHUNK_XML_LAST) {
|
|
throw new IOException("Invalid chunk type (" + chunkType + ").");
|
|
}
|
|
|
|
// Fake START_DOCUMENT event.
|
|
if (chunkType == CHUNK_XML_START_TAG && event == -1) {
|
|
m_event = START_DOCUMENT;
|
|
break;
|
|
}
|
|
|
|
// Common header.
|
|
/* chunkSize */m_reader.skipInt();
|
|
int lineNumber = m_reader.readInt();
|
|
/* 0xFFFFFFFF */m_reader.skipInt();
|
|
|
|
if (chunkType == CHUNK_XML_START_NAMESPACE || chunkType == CHUNK_XML_END_NAMESPACE) {
|
|
if (chunkType == CHUNK_XML_START_NAMESPACE) {
|
|
int prefix = m_reader.readInt();
|
|
int uri = m_reader.readInt();
|
|
m_namespaces.push(prefix, uri);
|
|
} else {
|
|
/* prefix */m_reader.skipInt();
|
|
/* uri */m_reader.skipInt();
|
|
m_namespaces.pop();
|
|
}
|
|
continue;
|
|
}
|
|
|
|
m_lineNumber = lineNumber;
|
|
|
|
if (chunkType == CHUNK_XML_START_TAG) {
|
|
m_namespaceUri = m_reader.readInt();
|
|
m_name = m_reader.readInt();
|
|
/* flags? */m_reader.skipInt();
|
|
int attributeCount = m_reader.readInt();
|
|
m_idAttribute = (attributeCount >>> 16) - 1;
|
|
attributeCount &= 0xFFFF;
|
|
m_classAttribute = m_reader.readInt();
|
|
m_styleAttribute = (m_classAttribute >>> 16) - 1;
|
|
m_classAttribute = (m_classAttribute & 0xFFFF) - 1;
|
|
m_attributes = m_reader.readIntArray(attributeCount * ATTRIBUTE_LENGTH);
|
|
for (int i = ATTRIBUTE_IX_VALUE_TYPE; i < m_attributes.length; ) {
|
|
m_attributes[i] = (m_attributes[i] >>> 24);
|
|
i += ATTRIBUTE_LENGTH;
|
|
}
|
|
m_namespaces.increaseDepth();
|
|
m_event = START_TAG;
|
|
break;
|
|
}
|
|
|
|
if (chunkType == CHUNK_XML_END_TAG) {
|
|
m_namespaceUri = m_reader.readInt();
|
|
m_name = m_reader.readInt();
|
|
m_event = END_TAG;
|
|
m_decreaseDepth = true;
|
|
break;
|
|
}
|
|
|
|
if (chunkType == CHUNK_XML_TEXT) {
|
|
m_name = m_reader.readInt();
|
|
/* ? */m_reader.skipInt();
|
|
/* ? */m_reader.skipInt();
|
|
m_event = TEXT;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void setFirstError(AndrolibException error) {
|
|
if (mFirstError == null) {
|
|
mFirstError = error;
|
|
}
|
|
}
|
|
|
|
// ///////////////////////////////// data
|
|
/*
|
|
* All values are essentially indices, e.g. m_name is an index of name in
|
|
* m_strings.
|
|
*/
|
|
private ExtDataInput m_reader;
|
|
private ResAttrDecoder mAttrDecoder;
|
|
private AndrolibException mFirstError;
|
|
|
|
private boolean m_operational = false;
|
|
private StringBlock m_strings;
|
|
private int[] m_resourceIDs;
|
|
private final NamespaceStack m_namespaces = new NamespaceStack();
|
|
private final String android_ns = "http://schemas.android.com/apk/res/android";
|
|
private boolean m_decreaseDepth;
|
|
private int m_event;
|
|
private int m_lineNumber;
|
|
private int m_name;
|
|
private int m_namespaceUri;
|
|
private int[] m_attributes;
|
|
private int m_idAttribute;
|
|
private int m_classAttribute;
|
|
private int m_styleAttribute;
|
|
|
|
private final static Logger LOGGER = Logger.getLogger(AXmlResourceParser.class.getName());
|
|
private static final String E_NOT_SUPPORTED = "Method is not supported.";
|
|
private static final int ATTRIBUTE_IX_NAMESPACE_URI = 0,
|
|
ATTRIBUTE_IX_NAME = 1, ATTRIBUTE_IX_VALUE_STRING = 2,
|
|
ATTRIBUTE_IX_VALUE_TYPE = 3, ATTRIBUTE_IX_VALUE_DATA = 4,
|
|
ATTRIBUTE_LENGTH = 5;
|
|
|
|
private static final int CHUNK_AXML_FILE = 0x00080003, CHUNK_AXML_FILE_BROKEN = 0x00080001,
|
|
CHUNK_RESOURCEIDS = 0x00080180, CHUNK_XML_FIRST = 0x00100100,
|
|
CHUNK_XML_START_NAMESPACE = 0x00100100,
|
|
CHUNK_XML_END_NAMESPACE = 0x00100101,
|
|
CHUNK_XML_START_TAG = 0x00100102, CHUNK_XML_END_TAG = 0x00100103,
|
|
CHUNK_XML_TEXT = 0x00100104, CHUNK_XML_LAST = 0x00100104;
|
|
|
|
private static final int PRIVATE_PKG_ID = 0x7F;
|
|
}
|