diff --git a/src/brut/androlib/res/decoder/AXmlResourceParser.java b/src/brut/androlib/res/decoder/AXmlResourceParser.java index 8794065d..6eb7f425 100644 --- a/src/brut/androlib/res/decoder/AXmlResourceParser.java +++ b/src/brut/androlib/res/decoder/AXmlResourceParser.java @@ -14,7 +14,6 @@ * limitations under the License. * under the License. */ - package brut.androlib.res.decoder; import java.io.IOException; @@ -40,645 +39,640 @@ import android.util.TypedValue; * */ public class AXmlResourceParser implements XmlResourceParser { - - public AXmlResourceParser() { - resetEventInfo(); - } - - public void open(InputStream stream) { - close(); - if (stream!=null) { - m_reader=new IntReader(stream,false); - } - } - - public void close() { - if (!m_operational) { - return; - } - m_operational=false; - m_reader.close(); - m_reader=null; - m_strings=null; - m_resourceIDs=null; - m_namespaces.reset(); - resetEventInfo(); - } - - /////////////////////////////////// iteration - - 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; - } - } - public int nextToken() throws XmlPullParserException,IOException { - return next(); - } - - 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; - } + public AXmlResourceParser() { + resetEventInfo(); + } - 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); - } - } + public void open(InputStream stream) { + close(); + if (stream != null) { + m_reader = new IntReader(stream, false); + } + } - 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); - } - } - - public int getDepth() { - return m_namespaces.getDepth()-1; - } + public void close() { + if (!m_operational) { + return; + } + m_operational = false; + m_reader.close(); + m_reader = null; + m_strings = null; + m_resourceIDs = null; + m_namespaces.reset(); + resetEventInfo(); + } - public int getEventType() throws XmlPullParserException { - return m_event; - } - - public int getLineNumber() { - return m_lineNumber; - } - - public String getName() { - if (m_name==-1 || (m_event!=START_TAG && m_event!=END_TAG)) { - return null; - } - return m_strings.getString(m_name); - } - - public String getText() { - if (m_name==-1 || m_event!=TEXT) { - return null; - } - return m_strings.getString(m_name); - } - - 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; - } - - public String getNamespace() { - return m_strings.getString(m_namespaceUri); - } - - public String getPrefix() { - int prefix=m_namespaces.findPrefix(m_namespaceUri); - return m_strings.getString(prefix); - } - - public String getPositionDescription() { - return "XML line #"+getLineNumber(); - } + /////////////////////////////////// iteration + 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; + } + } - public int getNamespaceCount(int depth) throws XmlPullParserException { - return m_namespaces.getAccumulatedCount(depth); - } + public int nextToken() throws XmlPullParserException, IOException { + return next(); + } - public String getNamespacePrefix(int pos) throws XmlPullParserException { - int prefix=m_namespaces.getPrefix(pos); - return m_strings.getString(prefix); - } + 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; + } - public String getNamespaceUri(int pos) throws XmlPullParserException { - int uri=m_namespaces.getUri(pos); - return m_strings.getString(uri); - } - - /////////////////////////////////// attributes + 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); + } + } - 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); - } + 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); + } + } - 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); - } + public int getDepth() { + return m_namespaces.getDepth() - 1; + } - 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]; - } + public int getEventType() throws XmlPullParserException { + return m_event; + } - public int getStyleAttribute() { - if (m_styleAttribute==-1) { - return 0; - } - int offset=getAttributeOffset(m_styleAttribute); - return m_attributes[offset+ATTRIBUTE_IX_VALUE_DATA]; - } - - public int getAttributeCount() { - if (m_event!=START_TAG) { - return -1; - } - return m_attributes.length/ATTRIBUTE_LENGHT; - } - - public String getAttributeNamespace(int index) { - int offset=getAttributeOffset(index); - int namespace=m_attributes[offset+ATTRIBUTE_IX_NAMESPACE_URI]; - if (namespace==-1) { - return ""; - } - return m_strings.getString(namespace); - } + public int getLineNumber() { + return m_lineNumber; + } - 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); - } - - public String getAttributeName(int index) { - int offset=getAttributeOffset(index); - int name=m_attributes[offset+ATTRIBUTE_IX_NAME]; - if (name==-1) { - return ""; - } - return m_strings.getString(name); - } + public String getName() { + if (m_name == -1 || (m_event != START_TAG && m_event != END_TAG)) { + return null; + } + return m_strings.getString(m_name); + } - 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]; - } - - public int getAttributeValueType(int index) { - int offset=getAttributeOffset(index); - return m_attributes[offset+ATTRIBUTE_IX_VALUE_TYPE]; - } + public String getText() { + if (m_name == -1 || m_event != TEXT) { + return null; + } + return m_strings.getString(m_name); + } - public int getAttributeValueData(int index) { - int offset=getAttributeOffset(index); - return m_attributes[offset+ATTRIBUTE_IX_VALUE_DATA]; - } - - public String getAttributeValue(int index) { - int offset=getAttributeOffset(index); - int valueType=m_attributes[offset+ATTRIBUTE_IX_VALUE_TYPE]; - if (valueType==TypedValue.TYPE_STRING) { - int valueString=m_attributes[offset+ATTRIBUTE_IX_VALUE_STRING]; - return m_strings.getString(valueString); - } - int valueData=m_attributes[offset+ATTRIBUTE_IX_VALUE_DATA]; - return "";//TypedValue.coerceToString(valueType,valueData); - } - - public boolean getAttributeBooleanValue(int index,boolean defaultValue) { - return getAttributeIntValue(index,defaultValue?1:0)!=0; - } - - 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; - } + 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; + } - 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; - } - - public int getAttributeUnsignedIntValue(int index,int defaultValue) { - return getAttributeIntValue(index,defaultValue); - } + public String getNamespace() { + return m_strings.getString(m_namespaceUri); + } - 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; - } - - public String getAttributeValue(String namespace,String attribute) { - int index=findAttribute(namespace,attribute); - if (index==-1) { - return null; - } - return getAttributeValue(index); - } - - public boolean getAttributeBooleanValue(String namespace,String attribute,boolean defaultValue) { - int index=findAttribute(namespace,attribute); - if (index==-1) { - return defaultValue; - } - return getAttributeBooleanValue(index,defaultValue); - } - - public float getAttributeFloatValue(String namespace,String attribute,float defaultValue) { - int index=findAttribute(namespace,attribute); - if (index==-1) { - return defaultValue; - } - return getAttributeFloatValue(index,defaultValue); - } - - public int getAttributeIntValue(String namespace,String attribute,int defaultValue) { - int index=findAttribute(namespace,attribute); - if (index==-1) { - return defaultValue; - } - return getAttributeIntValue(index,defaultValue); - } - - public int getAttributeUnsignedIntValue(String namespace,String attribute,int defaultValue) { - int index=findAttribute(namespace,attribute); - if (index==-1) { - return defaultValue; - } - return getAttributeUnsignedIntValue(index,defaultValue); - } + public String getPrefix() { + int prefix = m_namespaces.findPrefix(m_namespaceUri); + return m_strings.getString(prefix); + } - public int getAttributeResourceValue(String namespace,String attribute,int defaultValue) { - int index=findAttribute(namespace,attribute); - if (index==-1) { - return defaultValue; - } - return getAttributeResourceValue(index,defaultValue); - } - - public int getAttributeListValue(int index,String[] options,int defaultValue) { - // TODO implement - return 0; - } - - public int getAttributeListValue(String namespace,String attribute,String[] options,int defaultValue) { - // TODO implement - return 0; - } - - public String getAttributeType(int index) { - return "CDATA"; - } - - public boolean isAttributeDefault(int index) { - return false; - } - - /////////////////////////////////// dummies + public String getPositionDescription() { + return "XML line #" + getLineNumber(); + } - public void setInput(InputStream stream,String inputEncoding) throws XmlPullParserException { - throw new XmlPullParserException(E_NOT_SUPPORTED); - } - public void setInput(Reader reader) throws XmlPullParserException { - throw new XmlPullParserException(E_NOT_SUPPORTED); - } + public int getNamespaceCount(int depth) throws XmlPullParserException { + return m_namespaces.getAccumulatedCount(depth); + } - public String getInputEncoding() { - return null; - } - - public int getColumnNumber() { - return -1; - } + public String getNamespacePrefix(int pos) throws XmlPullParserException { + int prefix = m_namespaces.getPrefix(pos); + return m_strings.getString(prefix); + } - public boolean isEmptyElementTag() throws XmlPullParserException { - return false; - } - - public boolean isWhitespace() throws XmlPullParserException { - return false; - } - - public void defineEntityReplacementText(String entityName,String replacementText) throws XmlPullParserException { - throw new XmlPullParserException(E_NOT_SUPPORTED); - } - - public String getNamespace(String prefix) { - throw new RuntimeException(E_NOT_SUPPORTED); - } + public String getNamespaceUri(int pos) throws XmlPullParserException { + int uri = m_namespaces.getUri(pos); + return m_strings.getString(uri); + } - public Object getProperty(String name) { - return null; - } - public void setProperty(String name,Object value) throws XmlPullParserException { - throw new XmlPullParserException(E_NOT_SUPPORTED); - } + /////////////////////////////////// attributes + 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); + } - public boolean getFeature(String feature) { - return false; - } - public void setFeature(String name,boolean value) throws XmlPullParserException { - throw new XmlPullParserException(E_NOT_SUPPORTED); - } + 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); + } - ///////////////////////////////////////////// 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 final void reset() { - m_dataLength=0; - m_count=0; - m_depth=0; - } - - public final int getTotalCount() { - return m_count; - } - - public final int getCurrentCount() { - if (m_dataLength==0) { - return 0; - } - int offset=m_dataLength-1; - return m_data[offset]; - } - - public final 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 final 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; - m_count+=1; - } - - public final boolean pop(int prefix,int uri) { - if (m_dataLength==0) { - return false; - } - int offset=m_dataLength-1; - int count=m_data[offset]; - for (int i=0,o=offset-2;i!=count;++i,o-=2) { - if (m_data[o]!=prefix || m_data[o+1]!=uri) { - continue; - } - count-=1; - if (i==0) { - m_data[o]=count; - o-=(1+count*2); - m_data[o]=count; - } else { - m_data[offset]=count; - offset-=(1+2+count*2); - m_data[offset]=count; - System.arraycopy( - m_data,o+2, - m_data,o, - m_dataLength-o); - } - m_dataLength-=2; - m_count-=1; - return true; - } - return false; - } - - public final 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; - m_count-=1; - return true; - } - - public final int getPrefix(int index) { - return get(index,true); - } - - public final int getUri(int index) { - return get(index,false); - } - - public final int findPrefix(int uri) { - return find(uri,false); - } - - public final int findUri(int prefix) { - return find(prefix,true); - } - - public final int getDepth() { - return m_depth; - } - - public final void increaseDepth() { - ensureDataCapacity(2); - int offset=m_dataLength; - m_data[offset]=0; - m_data[offset+1]=0; - m_dataLength+=2; - m_depth+=1; - } - public final 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_count-=count; - m_depth-=1; - } + 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]; + } - 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 final 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 final 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_count; - private int m_depth; - } - - /////////////////////////////////// package-visible - + public int getStyleAttribute() { + if (m_styleAttribute == -1) { + return 0; + } + int offset = getAttributeOffset(m_styleAttribute); + return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA]; + } + + public int getAttributeCount() { + if (m_event != START_TAG) { + return -1; + } + return m_attributes.length / ATTRIBUTE_LENGHT; + } + + public String getAttributeNamespace(int index) { + int offset = getAttributeOffset(index); + int namespace = m_attributes[offset + ATTRIBUTE_IX_NAMESPACE_URI]; + if (namespace == -1) { + return ""; + } + return m_strings.getString(namespace); + } + + 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); + } + + public String getAttributeName(int index) { + int offset = getAttributeOffset(index); + int name = m_attributes[offset + ATTRIBUTE_IX_NAME]; + if (name == -1) { + return ""; + } + return m_strings.getString(name); + } + + 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]; + } + + public int getAttributeValueType(int index) { + int offset = getAttributeOffset(index); + return m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE]; + } + + public int getAttributeValueData(int index) { + int offset = getAttributeOffset(index); + return m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA]; + } + + public String getAttributeValue(int index) { + int offset = getAttributeOffset(index); + int valueType = m_attributes[offset + ATTRIBUTE_IX_VALUE_TYPE]; + if (valueType == TypedValue.TYPE_STRING) { + int valueString = m_attributes[offset + ATTRIBUTE_IX_VALUE_STRING]; + return m_strings.getString(valueString); + } + int valueData = m_attributes[offset + ATTRIBUTE_IX_VALUE_DATA]; + return "";//TypedValue.coerceToString(valueType,valueData); + } + + public boolean getAttributeBooleanValue(int index, boolean defaultValue) { + return getAttributeIntValue(index, defaultValue ? 1 : 0) != 0; + } + + 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; + } + + 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; + } + + public int getAttributeUnsignedIntValue(int index, int defaultValue) { + return getAttributeIntValue(index, defaultValue); + } + + 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; + } + + public String getAttributeValue(String namespace, String attribute) { + int index = findAttribute(namespace, attribute); + if (index == -1) { + return null; + } + return getAttributeValue(index); + } + + public boolean getAttributeBooleanValue(String namespace, String attribute, boolean defaultValue) { + int index = findAttribute(namespace, attribute); + if (index == -1) { + return defaultValue; + } + return getAttributeBooleanValue(index, defaultValue); + } + + public float getAttributeFloatValue(String namespace, String attribute, float defaultValue) { + int index = findAttribute(namespace, attribute); + if (index == -1) { + return defaultValue; + } + return getAttributeFloatValue(index, defaultValue); + } + + public int getAttributeIntValue(String namespace, String attribute, int defaultValue) { + int index = findAttribute(namespace, attribute); + if (index == -1) { + return defaultValue; + } + return getAttributeIntValue(index, defaultValue); + } + + public int getAttributeUnsignedIntValue(String namespace, String attribute, int defaultValue) { + int index = findAttribute(namespace, attribute); + if (index == -1) { + return defaultValue; + } + return getAttributeUnsignedIntValue(index, defaultValue); + } + + public int getAttributeResourceValue(String namespace, String attribute, int defaultValue) { + int index = findAttribute(namespace, attribute); + if (index == -1) { + return defaultValue; + } + return getAttributeResourceValue(index, defaultValue); + } + + public int getAttributeListValue(int index, String[] options, int defaultValue) { + // TODO implement + return 0; + } + + public int getAttributeListValue(String namespace, String attribute, String[] options, int defaultValue) { + // TODO implement + return 0; + } + + public String getAttributeType(int index) { + return "CDATA"; + } + + public boolean isAttributeDefault(int index) { + return false; + } + + /////////////////////////////////// dummies + public void setInput(InputStream stream, String inputEncoding) throws XmlPullParserException { + throw new XmlPullParserException(E_NOT_SUPPORTED); + } + + public void setInput(Reader reader) throws XmlPullParserException { + throw new XmlPullParserException(E_NOT_SUPPORTED); + } + + public String getInputEncoding() { + return null; + } + + public int getColumnNumber() { + return -1; + } + + public boolean isEmptyElementTag() throws XmlPullParserException { + return false; + } + + public boolean isWhitespace() throws XmlPullParserException { + return false; + } + + public void defineEntityReplacementText(String entityName, String replacementText) throws XmlPullParserException { + throw new XmlPullParserException(E_NOT_SUPPORTED); + } + + public String getNamespace(String prefix) { + throw new RuntimeException(E_NOT_SUPPORTED); + } + + public Object getProperty(String name) { + return null; + } + + public void setProperty(String name, Object value) throws XmlPullParserException { + throw new XmlPullParserException(E_NOT_SUPPORTED); + } + + public boolean getFeature(String feature) { + return false; + } + + 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 final void reset() { + m_dataLength = 0; + m_count = 0; + m_depth = 0; + } + + public final int getTotalCount() { + return m_count; + } + + public final int getCurrentCount() { + if (m_dataLength == 0) { + return 0; + } + int offset = m_dataLength - 1; + return m_data[offset]; + } + + public final 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 final 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; + m_count += 1; + } + + public final boolean pop(int prefix, int uri) { + if (m_dataLength == 0) { + return false; + } + int offset = m_dataLength - 1; + int count = m_data[offset]; + for (int i = 0, o = offset - 2; i != count; ++i, o -= 2) { + if (m_data[o] != prefix || m_data[o + 1] != uri) { + continue; + } + count -= 1; + if (i == 0) { + m_data[o] = count; + o -= (1 + count * 2); + m_data[o] = count; + } else { + m_data[offset] = count; + offset -= (1 + 2 + count * 2); + m_data[offset] = count; + System.arraycopy( + m_data, o + 2, + m_data, o, + m_dataLength - o); + } + m_dataLength -= 2; + m_count -= 1; + return true; + } + return false; + } + + public final 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; + m_count -= 1; + return true; + } + + public final int getPrefix(int index) { + return get(index, true); + } + + public final int getUri(int index) { + return get(index, false); + } + + public final int findPrefix(int uri) { + return find(uri, false); + } + + public final int findUri(int prefix) { + return find(prefix, true); + } + + public final int getDepth() { + return m_depth; + } + + public final void increaseDepth() { + ensureDataCapacity(2); + int offset = m_dataLength; + m_data[offset] = 0; + m_data[offset + 1] = 0; + m_dataLength += 2; + m_depth += 1; + } + + public final 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_count -= count; + 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 final 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 final 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_count; + private int m_depth; + } + + /////////////////////////////////// package-visible // final void fetchAttributes(int[] styleableIDs,TypedArray result) { // result.resetIndices(); // if (m_attributes==null || m_resourceIDs==null) { @@ -712,219 +706,202 @@ public class AXmlResourceParser implements XmlResourceParser { // result.setStrings(m_strings); // } // } - - final StringBlock getStrings() { - return m_strings; - } - - /////////////////////////////////// - - private final int getAttributeOffset(int index) { - if (m_event!=START_TAG) { - throw new IndexOutOfBoundsException("Current event is not START_TAG."); - } - int offset=index*5; - if (offset>=m_attributes.length) { - throw new IndexOutOfBoundsException("Invalid attribute index ("+index+")."); - } - return offset; - } - - private final 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) { - if (name==m_attributes[o+ATTRIBUTE_IX_NAME] && - (uri==-1 || uri==m_attributes[o+ATTRIBUTE_IX_NAMESPACE_URI])) - { - return o/ATTRIBUTE_LENGHT; - } - } - return -1; - } - - private final 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; - } + final StringBlock getStrings() { + return m_strings; + } - private final void doNext() throws IOException { - // Delayed initialization. - if (m_strings==null) { - ChunkUtil.readCheckType(m_reader,CHUNK_AXML_FILE); - /*chunkSize*/m_reader.skipInt(); - m_strings=StringBlock.read(m_reader); - m_namespaces.increaseDepth(); - m_operational=true; - } - - if (m_event==END_DOCUMENT) { - return; - } + /////////////////////////////////// + private final int getAttributeOffset(int index) { + if (m_event != START_TAG) { + throw new IndexOutOfBoundsException("Current event is not START_TAG."); + } + int offset = index * 5; + if (offset >= m_attributes.length) { + throw new IndexOutOfBoundsException("Invalid attribute index (" + index + ")."); + } + return offset; + } - 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 (chunkTypeCHUNK_XML_LAST) { - throw new IOException("Invalid chunk type ("+chunkType+")."); - } + private final 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) { + if (name == m_attributes[o + ATTRIBUTE_IX_NAME] + && (uri == -1 || uri == m_attributes[o + ATTRIBUTE_IX_NAMESPACE_URI])) { + return o / ATTRIBUTE_LENGHT; + } + } + return -1; + } - // 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(); + private final 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; + } - 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_LENGHT); - for (int i=ATTRIBUTE_IX_VALUE_TYPE;i>>24); - i+=ATTRIBUTE_LENGHT; - } - 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; - } - } - } - - /////////////////////////////////// data - - /* - * All values are essentially indices, e.g. m_name is - * an index of name in m_strings. - */ - - private IntReader m_reader; - private boolean m_operational=false; - - private StringBlock m_strings; - private int[] m_resourceIDs; - private NamespaceStack m_namespaces=new NamespaceStack(); - - 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 void doNext() throws IOException { + // Delayed initialization. + if (m_strings == null) { + ChunkUtil.readCheckType(m_reader, CHUNK_AXML_FILE); + /*chunkSize*/ m_reader.skipInt(); + m_strings = StringBlock.read(m_reader); + m_namespaces.increaseDepth(); + m_operational = true; + } - 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_LENGHT =5; + if (m_event == END_DOCUMENT) { + return; + } - private static final int - CHUNK_AXML_FILE =0x00080003, - 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; + 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_LENGHT); + for (int i = ATTRIBUTE_IX_VALUE_TYPE; i < m_attributes.length;) { + m_attributes[i] = (m_attributes[i] >>> 24); + i += ATTRIBUTE_LENGHT; + } + 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; + } + } + } + /////////////////////////////////// data + /* + * All values are essentially indices, e.g. m_name is + * an index of name in m_strings. + */ + private IntReader m_reader; + private boolean m_operational = false; + private StringBlock m_strings; + private int[] m_resourceIDs; + private NamespaceStack m_namespaces = new NamespaceStack(); + 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 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_LENGHT = 5; + private static final int CHUNK_AXML_FILE = 0x00080003, + 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; } diff --git a/src/brut/androlib/res/decoder/StringBlock.java b/src/brut/androlib/res/decoder/StringBlock.java index ffa12c96..d508d932 100644 --- a/src/brut/androlib/res/decoder/StringBlock.java +++ b/src/brut/androlib/res/decoder/StringBlock.java @@ -14,7 +14,6 @@ * limitations under the License. * under the License. */ - package brut.androlib.res.decoder; import java.io.IOException; @@ -30,219 +29,214 @@ import java.io.IOException; * */ public class StringBlock { - - /** - * Reads whole (including chunk type) string block from stream. - * Stream must be at the chunk type. - */ - public static StringBlock read(IntReader reader) throws IOException { - ChunkUtil.readCheckType(reader,CHUNK_TYPE); - int chunkSize=reader.readInt(); - int stringCount=reader.readInt(); - int styleOffsetCount=reader.readInt(); - /*?*/reader.readInt(); - int stringsOffset=reader.readInt(); - int stylesOffset=reader.readInt(); - - StringBlock block=new StringBlock(); - block.m_stringOffsets=reader.readIntArray(stringCount); - if (styleOffsetCount!=0) { - block.m_styleOffsets=reader.readIntArray(styleOffsetCount); - } - { - int size=((stylesOffset==0)?chunkSize:stylesOffset)-stringsOffset; - if ((size%4)!=0) { - throw new IOException("String data size is not multiple of 4 ("+size+")."); - } - block.m_strings=reader.readIntArray(size/4); - } - if (stylesOffset!=0) { - int size=(chunkSize-stylesOffset); - if ((size%4)!=0) { - throw new IOException("Style data size is not multiple of 4 ("+size+")."); - } - block.m_styles=reader.readIntArray(size/4); - } - return block; - } - - /** - * Returns number of strings in block. - */ - public int getCount() { - return m_stringOffsets!=null? - m_stringOffsets.length: - 0; - } - - /** - * Returns raw string (without any styling information) at specified index. - */ - public String getString(int index) { - if (index<0 || - m_stringOffsets==null || - index>=m_stringOffsets.length) - { - return null; - } - int offset=m_stringOffsets[index]; - int length=getShort(m_strings,offset); - StringBuilder result=new StringBuilder(length); - for (;length!=0;length-=1) { - offset+=2; - result.append((char)getShort(m_strings,offset)); - } - return result.toString(); - } - - /** - * Not yet implemented. - * - * Returns string with style information (if any). - */ - public CharSequence get(int index) { - return getString(index); - } + /** + * Reads whole (including chunk type) string block from stream. + * Stream must be at the chunk type. + */ + public static StringBlock read(IntReader reader) throws IOException { + ChunkUtil.readCheckType(reader, CHUNK_TYPE); + int chunkSize = reader.readInt(); + int stringCount = reader.readInt(); + int styleOffsetCount = reader.readInt(); + /*?*/ reader.readInt(); + int stringsOffset = reader.readInt(); + int stylesOffset = reader.readInt(); - /** - * Returns string with style tags (html-like). - */ - public String getHTML(int index) { - String raw=getString(index); - if (raw==null) { - return raw; - } - int[] style=getStyle(index); - if (style==null) { - return raw; - } - StringBuilder html=new StringBuilder(raw.length()+32); - int offset=0; - while (true) { - int i=-1; - for (int j=0;j!=style.length;j+=3) { - if (style[j+1]==-1) { - continue; - } - if (i==-1 || style[i+1]>style[j+1]) { - i=j; - } - } - int start=((i!=-1)?style[i+1]:raw.length()); - for (int j=0;j!=style.length;j+=3) { - int end=style[j+2]; - if (end==-1 || end>=start) { - continue; - } - if (offset<=end) { - html.append(raw,offset,end+1); - offset=end+1; - } - style[j+2]=-1; - html.append('<'); - html.append('/'); - html.append(getString(style[j])); - html.append('>'); - } - if (offset'); - style[i+1]=-1; - } - return html.toString(); - } - - /** - * Finds index of the string. - * Returns -1 if the string was not found. - */ - public int find(String string) { - if (string==null) { - return -1; - } - for (int i=0;i!=m_stringOffsets.length;++i) { - int offset=m_stringOffsets[i]; - int length=getShort(m_strings,offset); - if (length!=string.length()) { - continue; - } - int j=0; - for (;j!=length;++j) { - offset+=2; - if (string.charAt(j)!=getShort(m_strings,offset)) { - break; - } - } - if (j==length) { - return i; - } - } - return -1; - } - - ///////////////////////////////////////////// implementation + StringBlock block = new StringBlock(); + block.m_stringOffsets = reader.readIntArray(stringCount); + if (styleOffsetCount != 0) { + block.m_styleOffsets = reader.readIntArray(styleOffsetCount); + } + { + int size = ((stylesOffset == 0) ? chunkSize : stylesOffset) - stringsOffset; + if ((size % 4) != 0) { + throw new IOException("String data size is not multiple of 4 (" + size + ")."); + } + block.m_strings = reader.readIntArray(size / 4); + } + if (stylesOffset != 0) { + int size = (chunkSize - stylesOffset); + if ((size % 4) != 0) { + throw new IOException("Style data size is not multiple of 4 (" + size + ")."); + } + block.m_styles = reader.readIntArray(size / 4); + } - private StringBlock() { - } - - /** - * Returns style information - array of int triplets, - * where in each triplet: - * * first int is index of tag name ('b','i', etc.) - * * second int is tag start index in string - * * third int is tag end index in string - */ - private int[] getStyle(int index) { - if (m_styleOffsets==null || m_styles==null || - index>=m_styleOffsets.length) - { - return null; - } - int offset=m_styleOffsets[index]/4; - int style[]; - { - int count=0; - for (int i=offset;i>> 16); - } - } - - private int[] m_stringOffsets; - private int[] m_strings; - private int[] m_styleOffsets; - private int[] m_styles; + return block; + } - private static final int CHUNK_TYPE=0x001C0001; + /** + * Returns number of strings in block. + */ + public int getCount() { + return m_stringOffsets != null + ? m_stringOffsets.length + : 0; + } + + /** + * Returns raw string (without any styling information) at specified index. + */ + public String getString(int index) { + if (index < 0 + || m_stringOffsets == null + || index >= m_stringOffsets.length) { + return null; + } + int offset = m_stringOffsets[index]; + int length = getShort(m_strings, offset); + StringBuilder result = new StringBuilder(length); + for (; length != 0; length -= 1) { + offset += 2; + result.append((char) getShort(m_strings, offset)); + } + return result.toString(); + } + + /** + * Not yet implemented. + * + * Returns string with style information (if any). + */ + public CharSequence get(int index) { + return getString(index); + } + + /** + * Returns string with style tags (html-like). + */ + public String getHTML(int index) { + String raw = getString(index); + if (raw == null) { + return raw; + } + int[] style = getStyle(index); + if (style == null) { + return raw; + } + StringBuilder html = new StringBuilder(raw.length() + 32); + int offset = 0; + while (true) { + int i = -1; + for (int j = 0; j != style.length; j += 3) { + if (style[j + 1] == -1) { + continue; + } + if (i == -1 || style[i + 1] > style[j + 1]) { + i = j; + } + } + int start = ((i != -1) ? style[i + 1] : raw.length()); + for (int j = 0; j != style.length; j += 3) { + int end = style[j + 2]; + if (end == -1 || end >= start) { + continue; + } + if (offset <= end) { + html.append(raw, offset, end + 1); + offset = end + 1; + } + style[j + 2] = -1; + html.append('<'); + html.append('/'); + html.append(getString(style[j])); + html.append('>'); + } + if (offset < start) { + html.append(raw, offset, start); + offset = start; + } + if (i == -1) { + break; + } + html.append('<'); + html.append(getString(style[i])); + html.append('>'); + style[i + 1] = -1; + } + return html.toString(); + } + + /** + * Finds index of the string. + * Returns -1 if the string was not found. + */ + public int find(String string) { + if (string == null) { + return -1; + } + for (int i = 0; i != m_stringOffsets.length; ++i) { + int offset = m_stringOffsets[i]; + int length = getShort(m_strings, offset); + if (length != string.length()) { + continue; + } + int j = 0; + for (; j != length; ++j) { + offset += 2; + if (string.charAt(j) != getShort(m_strings, offset)) { + break; + } + } + if (j == length) { + return i; + } + } + return -1; + } + + ///////////////////////////////////////////// implementation + private StringBlock() { + } + + /** + * Returns style information - array of int triplets, + * where in each triplet: + * * first int is index of tag name ('b','i', etc.) + * * second int is tag start index in string + * * third int is tag end index in string + */ + private int[] getStyle(int index) { + if (m_styleOffsets == null || m_styles == null + || index >= m_styleOffsets.length) { + return null; + } + int offset = m_styleOffsets[index] / 4; + int style[]; + { + int count = 0; + for (int i = offset; i < m_styles.length; ++i) { + if (m_styles[i] == -1) { + break; + } + count += 1; + } + if (count == 0 || (count % 3) != 0) { + return null; + } + style = new int[count]; + } + for (int i = offset, j = 0; i < m_styles.length;) { + if (m_styles[i] == -1) { + break; + } + style[j++] = m_styles[i++]; + } + return style; + } + + private static final int getShort(int[] array, int offset) { + int value = array[offset / 4]; + if ((offset % 4) / 2 == 0) { + return (value & 0xFFFF); + } else { + return (value >>> 16); + } + } + private int[] m_stringOffsets; + private int[] m_strings; + private int[] m_styleOffsets; + private int[] m_styles; + private static final int CHUNK_TYPE = 0x001C0001; }