org.jboss.modules.xml.MXParser Maven / Gradle / Ivy
/* -*- c-basic-offset: 4; indent-tabs-mode: nil; -*- //------100-columns-wide------>|*/
/*
* Copyright (c) 2003 Extreme! Lab, Indiana University. All rights reserved.
*
* This software is open source. See the bottom of this file for the license.
*
* $Id: MXParser.java,v 1.52 2006/11/09 18:29:37 aslom Exp $
*/
package org.jboss.modules.xml;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
//TODO best handling of interning issues
// have isAllNewStringInterned ???
//TODO handling surrogate pairs: http://www.unicode.org/unicode/faq/utf_bom.html#6
//TODO review code for use of bufAbsoluteStart when keeping pos between next()/fillBuf()
/**
* Absolutely minimal implementation of XMLPULL V1 API
*
* @author Aleksander Slominski
*/
public class MXParser
implements XmlPullParser
{
//NOTE: no interning of those strings --> by Java lang spec they MUST be already interned
protected final static String XML_URI = "http://www.w3.org/XML/1998/namespace";
protected final static String XMLNS_URI = "http://www.w3.org/2000/xmlns/";
protected final static String FEATURE_XML_ROUNDTRIP=
//"http://xmlpull.org/v1/doc/features.html#xml-roundtrip";
"http://xmlpull.org/v1/doc/features.html#xml-roundtrip";
protected final static String FEATURE_NAMES_INTERNED =
"http://xmlpull.org/v1/doc/features.html#names-interned";
protected final static String PROPERTY_XMLDECL_VERSION =
"http://xmlpull.org/v1/doc/properties.html#xmldecl-version";
protected final static String PROPERTY_XMLDECL_STANDALONE =
"http://xmlpull.org/v1/doc/properties.html#xmldecl-standalone";
protected final static String PROPERTY_XMLDECL_CONTENT =
"http://xmlpull.org/v1/doc/properties.html#xmldecl-content";
protected final static String PROPERTY_LOCATION =
"http://xmlpull.org/v1/doc/properties.html#location";
/**
* Implementation notice:
* the is instance variable that controls if newString() is interning.
* NOTE: newStringIntern always returns interned strings
* and newString MAY return interned String depending on this variable.
*
NOTE: by default in this minimal implementation it is false!
*/
protected boolean allStringsInterned;
protected void resetStringCache() {
//System.out.println("resetStringCache() minimum called");
}
protected String newString(char[] cbuf, int off, int len) {
return new String(cbuf, off, len);
}
protected String newStringIntern(char[] cbuf, int off, int len) {
return (new String(cbuf, off, len)).intern();
}
private static final boolean TRACE_SIZING = false;
// NOTE: features are not resettable and typically defaults to false ...
protected boolean processNamespaces;
protected boolean roundtripSupported;
// global parser state
protected String location;
protected int lineNumber;
protected int columnNumber;
protected boolean seenRoot;
protected boolean reachedEnd;
protected int eventType;
protected boolean emptyElementTag;
// element stack
protected int depth;
protected char[] elRawName[];
protected int elRawNameEnd[];
protected int elRawNameLine[];
protected String elName[];
protected String elPrefix[];
protected String elUri[];
//protected String elValue[];
protected int elNamespaceCount[];
/**
* Make sure that we have enough space to keep element stack if passed size.
* It will always create one additional slot then current depth
*/
protected void ensureElementsCapacity() {
final int elStackSize = elName != null ? elName.length : 0;
if( (depth + 1) >= elStackSize) {
// we add at least one extra slot ...
final int newSize = (depth >= 7 ? 2 * depth : 8) + 2; // = lucky 7 + 1 //25
if(TRACE_SIZING) {
System.err.println("TRACE_SIZING elStackSize "+elStackSize+" ==> "+newSize);
}
final boolean needsCopying = elStackSize > 0;
String[] arr = null;
// reuse arr local variable slot
arr = new String[newSize];
if(needsCopying) System.arraycopy(elName, 0, arr, 0, elStackSize);
elName = arr;
arr = new String[newSize];
if(needsCopying) System.arraycopy(elPrefix, 0, arr, 0, elStackSize);
elPrefix = arr;
arr = new String[newSize];
if(needsCopying) System.arraycopy(elUri, 0, arr, 0, elStackSize);
elUri = arr;
int[] iarr = new int[newSize];
if(needsCopying) {
System.arraycopy(elNamespaceCount, 0, iarr, 0, elStackSize);
} else {
// special initialization
iarr[0] = 0;
}
elNamespaceCount = iarr;
//TODO: avoid using element raw name ...
iarr = new int[newSize];
if(needsCopying) {
System.arraycopy(elRawNameEnd, 0, iarr, 0, elStackSize);
}
elRawNameEnd = iarr;
iarr = new int[newSize];
if(needsCopying) {
System.arraycopy(elRawNameLine, 0, iarr, 0, elStackSize);
}
elRawNameLine = iarr;
final char[][] carr = new char[newSize][];
if(needsCopying) {
System.arraycopy(elRawName, 0, carr, 0, elStackSize);
}
elRawName = carr;
// arr = new String[newSize];
// if(needsCopying) System.arraycopy(elLocalName, 0, arr, 0, elStackSize);
// elLocalName = arr;
// arr = new String[newSize];
// if(needsCopying) System.arraycopy(elDefaultNs, 0, arr, 0, elStackSize);
// elDefaultNs = arr;
// int[] iarr = new int[newSize];
// if(needsCopying) System.arraycopy(elNsStackPos, 0, iarr, 0, elStackSize);
// for (int i = elStackSize; i < iarr.length; i++)
// {
// iarr[i] = (i > 0) ? -1 : 0;
// }
// elNsStackPos = iarr;
//assert depth < elName.length;
}
}
// attribute stack
protected int attributeCount;
protected String attributeName[];
protected int attributeNameHash[];
//protected int attributeNameStart[];
//protected int attributeNameEnd[];
protected String attributePrefix[];
protected String attributeUri[];
protected String attributeValue[];
//protected int attributeValueStart[];
//protected int attributeValueEnd[];
/**
* Make sure that in attributes temporary array is enough space.
*/
protected void ensureAttributesCapacity(int size) {
final int attrPosSize = attributeName != null ? attributeName.length : 0;
if(size >= attrPosSize) {
final int newSize = size > 7 ? 2 * size : 8; // = lucky 7 + 1 //25
if(TRACE_SIZING) {
System.err.println("TRACE_SIZING attrPosSize "+attrPosSize+" ==> "+newSize);
}
final boolean needsCopying = attrPosSize > 0;
String[] arr = null;
arr = new String[newSize];
if(needsCopying) System.arraycopy(attributeName, 0, arr, 0, attrPosSize);
attributeName = arr;
arr = new String[newSize];
if(needsCopying) System.arraycopy(attributePrefix, 0, arr, 0, attrPosSize);
attributePrefix = arr;
arr = new String[newSize];
if(needsCopying) System.arraycopy(attributeUri, 0, arr, 0, attrPosSize);
attributeUri = arr;
arr = new String[newSize];
if(needsCopying) System.arraycopy(attributeValue, 0, arr, 0, attrPosSize);
attributeValue = arr;
if( ! allStringsInterned ) {
final int[] iarr = new int[newSize];
if(needsCopying) System.arraycopy(attributeNameHash, 0, iarr, 0, attrPosSize);
attributeNameHash = iarr;
}
arr = null;
// //assert attrUri.length > size
}
}
// namespace stack
protected int namespaceEnd;
protected String namespacePrefix[];
protected int namespacePrefixHash[];
protected String namespaceUri[];
protected void ensureNamespacesCapacity(int size) {
final int namespaceSize = namespacePrefix != null ? namespacePrefix.length : 0;
if(size >= namespaceSize) {
final int newSize = size > 7 ? 2 * size : 8; // = lucky 7 + 1 //25
if(TRACE_SIZING) {
System.err.println("TRACE_SIZING namespaceSize "+namespaceSize+" ==> "+newSize);
}
final String[] newNamespacePrefix = new String[newSize];
final String[] newNamespaceUri = new String[newSize];
if(namespacePrefix != null) {
System.arraycopy(
namespacePrefix, 0, newNamespacePrefix, 0, namespaceEnd);
System.arraycopy(
namespaceUri, 0, newNamespaceUri, 0, namespaceEnd);
}
namespacePrefix = newNamespacePrefix;
namespaceUri = newNamespaceUri;
if( ! allStringsInterned ) {
final int[] newNamespacePrefixHash = new int[newSize];
if(namespacePrefixHash != null) {
System.arraycopy(
namespacePrefixHash, 0, newNamespacePrefixHash, 0, namespaceEnd);
}
namespacePrefixHash = newNamespacePrefixHash;
}
//prefixesSize = newSize;
// //assert nsPrefixes.length > size && nsPrefixes.length == newSize
}
}
/**
* simplistic implementation of hash function that has constant
* time to compute - so it also means diminishing hash quality for long strings
* but for XML parsing it should be good enough ...
*/
protected static final int fastHash( char ch[], int off, int len ) {
if(len == 0) return 0;
//assert len >0
int hash = ch[off]; // hash at beginning
//try {
hash = (hash << 7) + ch[ off + len - 1 ]; // hash at the end
//} catch(ArrayIndexOutOfBoundsException aie) {
// aie.printStackTrace(); //should never happen ...
// throw new RuntimeException("this is violation of pre-condition");
//}
if(len > 16) hash = (hash << 7) + ch[ off + (len / 4)]; // 1/4 from beginning
if(len > 8) hash = (hash << 7) + ch[ off + (len / 2)]; // 1/2 of string size ...
// notice that hash is at most done 3 times <<7 so shifted by 21 bits 8 bit value
// so max result == 29 bits so it is quite just below 31 bits for long (2^32) ...
//assert hash >= 0;
return hash;
}
// entity replacement stack
protected int entityEnd;
protected String entityName[];
protected char[] entityNameBuf[];
protected String entityReplacement[];
protected char[] entityReplacementBuf[];
protected int entityNameHash[];
protected void ensureEntityCapacity() {
final int entitySize = entityReplacementBuf != null ? entityReplacementBuf.length : 0;
if(entityEnd >= entitySize) {
final int newSize = entityEnd > 7 ? 2 * entityEnd : 8; // = lucky 7 + 1 //25
if(TRACE_SIZING) {
System.err.println("TRACE_SIZING entitySize "+entitySize+" ==> "+newSize);
}
final String[] newEntityName = new String[newSize];
final char[] newEntityNameBuf[] = new char[newSize][];
final String[] newEntityReplacement = new String[newSize];
final char[] newEntityReplacementBuf[] = new char[newSize][];
if(entityName != null) {
System.arraycopy(entityName, 0, newEntityName, 0, entityEnd);
System.arraycopy(entityNameBuf, 0, newEntityNameBuf, 0, entityEnd);
System.arraycopy(entityReplacement, 0, newEntityReplacement, 0, entityEnd);
System.arraycopy(entityReplacementBuf, 0, newEntityReplacementBuf, 0, entityEnd);
}
entityName = newEntityName;
entityNameBuf = newEntityNameBuf;
entityReplacement = newEntityReplacement;
entityReplacementBuf = newEntityReplacementBuf;
if( ! allStringsInterned ) {
final int[] newEntityNameHash = new int[newSize];
if(entityNameHash != null) {
System.arraycopy(entityNameHash, 0, newEntityNameHash, 0, entityEnd);
}
entityNameHash = newEntityNameHash;
}
}
}
// input buffer management
protected static final int READ_CHUNK_SIZE = 8*1024; //max data chars in one read() call
protected Reader reader;
protected String inputEncoding;
protected InputStream inputStream;
protected int bufLoadFactor = 95; // 99%
//protected int bufHardLimit; // only matters when expanding
protected char buf[] = new char[
Runtime.getRuntime().freeMemory() > 1000000L ? READ_CHUNK_SIZE : 256 ];
protected int bufSoftLimit = ( bufLoadFactor * buf.length ) /100; // desirable size of buffer
protected boolean preventBufferCompaction;
protected int bufAbsoluteStart; // this is buf
protected int bufStart;
protected int bufEnd;
protected int pos;
protected int posStart;
protected int posEnd;
protected char pc[] = new char[
Runtime.getRuntime().freeMemory() > 1000000L ? READ_CHUNK_SIZE : 64 ];
protected int pcStart;
protected int pcEnd;
// parsing state
//protected boolean needsMore;
//protected boolean seenMarkup;
protected boolean usePC;
protected boolean seenStartTag;
protected boolean seenEndTag;
protected boolean pastEndTag;
protected boolean seenAmpersand;
protected boolean seenMarkup;
protected boolean seenDocdecl;
// transient variable set during each call to next/Token()
protected boolean tokenize;
protected String text;
protected String entityRefName;
protected String xmlDeclVersion;
protected Boolean xmlDeclStandalone;
protected String xmlDeclContent;
protected void reset() {
//System.out.println("reset() called");
location = null;
lineNumber = 1;
columnNumber = 0;
seenRoot = false;
reachedEnd = false;
eventType = START_DOCUMENT;
emptyElementTag = false;
depth = 0;
attributeCount = 0;
namespaceEnd = 0;
entityEnd = 0;
reader = null;
inputEncoding = null;
preventBufferCompaction = false;
bufAbsoluteStart = 0;
bufEnd = bufStart = 0;
pos = posStart = posEnd = 0;
pcEnd = pcStart = 0;
usePC = false;
seenStartTag = false;
seenEndTag = false;
pastEndTag = false;
seenAmpersand = false;
seenMarkup = false;
seenDocdecl = false;
xmlDeclVersion = null;
xmlDeclStandalone = null;
xmlDeclContent = null;
resetStringCache();
}
public MXParser() {
}
/**
* Method setFeature
*
* @param name a String
* @param state a boolean
*
* @throws XmlPullParserException
*
*/
public void setFeature(String name,
boolean state) throws XmlPullParserException
{
if(name == null) throw new IllegalArgumentException("feature name should not be null");
if(FEATURE_PROCESS_NAMESPACES.equals(name)) {
if(eventType != START_DOCUMENT) throw new XmlPullParserException(
"namespace processing feature can only be changed before parsing", this, null);
processNamespaces = state;
// } else if(FEATURE_REPORT_NAMESPACE_ATTRIBUTES.equals(name)) {
// if(type != START_DOCUMENT) throw new XmlPullParserException(
// "namespace reporting feature can only be changed before parsing", this, null);
// reportNsAttribs = state;
} else if(FEATURE_NAMES_INTERNED.equals(name)) {
if(state != false) {
throw new XmlPullParserException(
"interning names in this implementation is not supported");
}
} else if(FEATURE_PROCESS_DOCDECL.equals(name)) {
if(state != false) {
throw new XmlPullParserException(
"processing DOCDECL is not supported");
}
//} else if(REPORT_DOCDECL.equals(name)) {
// paramNotifyDoctype = state;
} else if(FEATURE_XML_ROUNDTRIP.equals(name)) {
//if(state == false) {
// throw new XmlPullParserException(
// "roundtrip feature can not be switched off");
//}
roundtripSupported = state;
} else {
throw new XmlPullParserException("unsupported feature "+name);
}
}
/** Unknown properties are always returned as false */
public boolean getFeature(String name)
{
if(name == null) throw new IllegalArgumentException("feature name should not be null");
if(FEATURE_PROCESS_NAMESPACES.equals(name)) {
return processNamespaces;
// } else if(FEATURE_REPORT_NAMESPACE_ATTRIBUTES.equals(name)) {
// return reportNsAttribs;
} else if(FEATURE_NAMES_INTERNED.equals(name)) {
return false;
} else if(FEATURE_PROCESS_DOCDECL.equals(name)) {
return false;
//} else if(REPORT_DOCDECL.equals(name)) {
// return paramNotifyDoctype;
} else if(FEATURE_XML_ROUNDTRIP.equals(name)) {
//return true;
return roundtripSupported;
}
return false;
}
public void setProperty(String name,
Object value)
throws XmlPullParserException
{
if(PROPERTY_LOCATION.equals(name)) {
location = (String) value;
} else {
throw new XmlPullParserException("unsupported property: '"+name+"'");
}
}
public Object getProperty(String name)
{
if(name == null) throw new IllegalArgumentException("property name should not be null");
if(PROPERTY_XMLDECL_VERSION.equals(name)) {
return xmlDeclVersion;
} else if(PROPERTY_XMLDECL_STANDALONE.equals(name)) {
return xmlDeclStandalone;
} else if(PROPERTY_XMLDECL_CONTENT.equals(name)) {
return xmlDeclContent;
} else if(PROPERTY_LOCATION.equals(name)) {
return location;
}
return null;
}
public void setInput(Reader in) throws XmlPullParserException
{
reset();
reader = in;
}
public void setInput(InputStream inputStream, String inputEncoding)
throws XmlPullParserException
{
if(inputStream == null) {
throw new IllegalArgumentException("input stream can not be null");
}
this.inputStream = inputStream;
Reader reader;
//if(inputEncoding != null) {
try {
if(inputEncoding != null) {
reader = new InputStreamReader(inputStream, inputEncoding);
} else {
//by default use UTF-8 (InputStreamReader(inputStream)) would use OS default ...
reader = new InputStreamReader(inputStream, "UTF-8");
}
} catch (UnsupportedEncodingException une) {
throw new XmlPullParserException(
"could not create reader for encoding "+inputEncoding+" : "+une, this, une);
}
//} else {
// reader = new InputStreamReader(inputStream);
//}
setInput(reader);
//must be here as reest() was called in setInput() and has set this.inputEncoding to null ...
this.inputEncoding = inputEncoding;
}
public String getInputEncoding() {
return inputEncoding;
}
public void defineEntityReplacementText(String entityName,
String replacementText)
throws XmlPullParserException
{
// throw new XmlPullParserException("not allowed");
//protected char[] entityReplacement[];
ensureEntityCapacity();
// this is to make sure that if interning works we will take advantage of it ...
this.entityName[entityEnd] = newString(entityName.toCharArray(), 0, entityName.length());
entityNameBuf[entityEnd] = entityName.toCharArray();
entityReplacement[entityEnd] = replacementText;
entityReplacementBuf[entityEnd] = replacementText.toCharArray();
if(!allStringsInterned) {
entityNameHash[ entityEnd ] =
fastHash(entityNameBuf[entityEnd], 0, entityNameBuf[entityEnd].length);
}
++entityEnd;
//TODO disallow < or & in entity replacement text (or ]]>???)
// TOOD keepEntityNormalizedForAttributeValue cached as well ...
}
public int getNamespaceCount(int depth)
throws XmlPullParserException
{
if(processNamespaces == false || depth == 0) {
return 0;
}
//int maxDepth = eventType == END_TAG ? this.depth + 1 : this.depth;
//if(depth < 0 || depth > maxDepth) throw new IllegalArgumentException(
if(depth < 0 || depth > this.depth) throw new IllegalArgumentException(
"allowed namespace depth 0.."+this.depth+" not "+depth);
return elNamespaceCount[ depth ];
}
public String getNamespacePrefix(int pos)
throws XmlPullParserException
{
//int end = eventType == END_TAG ? elNamespaceCount[ depth + 1 ] : namespaceEnd;
//if(pos < end) {
if(pos < namespaceEnd) {
return namespacePrefix[ pos ];
} else {
throw new XmlPullParserException(
"position "+pos+" exceeded number of available namespaces "+namespaceEnd);
}
}
public String getNamespaceUri(int pos) throws XmlPullParserException
{
//int end = eventType == END_TAG ? elNamespaceCount[ depth + 1 ] : namespaceEnd;
//if(pos < end) {
if(pos < namespaceEnd) {
return namespaceUri[ pos ];
} else {
throw new XmlPullParserException(
"position "+pos+" exceeded number of available namespaces "+namespaceEnd);
}
}
public String getNamespace( String prefix )
//throws XmlPullParserException
{
//int count = namespaceCount[ depth ];
if(prefix != null) {
for( int i = namespaceEnd -1; i >= 0; i--) {
if( prefix.equals( namespacePrefix[ i ] ) ) {
return namespaceUri[ i ];
}
}
if("xml".equals( prefix )) {
return XML_URI;
} else if("xmlns".equals( prefix )) {
return XMLNS_URI;
}
} else {
for( int i = namespaceEnd -1; i >= 0; i--) {
if( namespacePrefix[ i ] == null) { //"") { //null ) { //TODO check FIXME Alek
return namespaceUri[ i ];
}
}
}
return null;
}
public int getDepth()
{
return depth;
}
private static int findFragment(int bufMinPos, char[] b, int start, int end) {
//System.err.println("bufStart="+bufStart+" b="+printable(new String(b, start, end - start))+" start="+start+" end="+end);
if(start < bufMinPos) {
start = bufMinPos;
if(start > end) start = end;
return start;
}
if(end - start > 65) {
start = end - 10; // try to find good location
}
int i = start + 1;
while(--i > bufMinPos) {
if((end - i) > 65) break;
final char c = b[i];
if(c == '<' && (start - i) > 10) break;
}
return i;
}
/**
* Return string describing current position of parsers as
* text 'STATE [seen %s...] @line:column'.
*/
public String getPositionDescription ()
{
String fragment = null;
if(posStart <= pos) {
final int start = findFragment(0, buf, posStart, pos);
//System.err.println("start="+start);
if(start < pos) {
fragment = new String(buf, start, pos - start);
}
if(bufAbsoluteStart > 0 || start > 0) fragment = "..." + fragment;
}
// return " at line "+tokenizerPosRow
// +" and column "+(tokenizerPosCol-1)
// +(fragment != null ? " seen "+printable(fragment)+"..." : "");
return " "+TYPES[ eventType ] +
(fragment != null ? " seen "+printable(fragment)+"..." : "")
+" "+(location != null ? location : "")
+"@"+getLineNumber()+":"+getColumnNumber();
}
public int getLineNumber()
{
return lineNumber;
}
public int getColumnNumber()
{
return columnNumber;
}
public boolean isWhitespace() throws XmlPullParserException
{
if(eventType == TEXT || eventType == CDSECT) {
if(usePC) {
for (int i = pcStart; i = 0; i--) {
// if( prefix.equals( namespacePrefix[ i ] ) ) {
// return namespaceUri[ i ];
// }
// }
// } else {
// for( int i = namespaceEnd -1; i >= 0; i--) {
// if( namespacePrefix[ i ] == null ) {
// return namespaceUri[ i ];
// }
// }
//
// }
// return "";
}
public String getName()
{
if(eventType == START_TAG) {
//return elName[ depth - 1 ] ;
return elName[ depth ] ;
} else if(eventType == END_TAG) {
return elName[ depth ] ;
} else if(eventType == ENTITY_REF) {
if(entityRefName == null) {
entityRefName = newString(buf, posStart, posEnd - posStart);
}
return entityRefName;
} else {
return null;
}
}
public String getPrefix()
{
if(eventType == START_TAG) {
//return elPrefix[ depth - 1 ] ;
return elPrefix[ depth ] ;
} else if(eventType == END_TAG) {
return elPrefix[ depth ] ;
}
return null;
// if(eventType != START_TAG && eventType != END_TAG) return null;
// int maxDepth = eventType == END_TAG ? depth : depth - 1;
// return elPrefix[ maxDepth ];
}
public boolean isEmptyElementTag() throws XmlPullParserException
{
if(eventType != START_TAG) throw new XmlPullParserException(
"parser must be on START_TAG to check for empty element", this, null);
return emptyElementTag;
}
public int getAttributeCount()
{
if(eventType != START_TAG) return -1;
return attributeCount;
}
public String getAttributeNamespace(int index)
{
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if(processNamespaces == false) return NO_NAMESPACE;
if(index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.."+(attributeCount-1)+" and not "+index);
return attributeUri[ index ];
}
public String getAttributeName(int index)
{
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if(index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.."+(attributeCount-1)+" and not "+index);
return attributeName[ index ];
}
public String getAttributePrefix(int index)
{
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if(processNamespaces == false) return null;
if(index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.."+(attributeCount-1)+" and not "+index);
return attributePrefix[ index ];
}
public String getAttributeType(int index) {
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if(index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.."+(attributeCount-1)+" and not "+index);
return "CDATA";
}
public boolean isAttributeDefault(int index) {
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if(index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.."+(attributeCount-1)+" and not "+index);
return false;
}
public String getAttributeValue(int index)
{
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if(index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.."+(attributeCount-1)+" and not "+index);
return attributeValue[ index ];
}
public String getAttributeValue(String namespace,
String name)
{
if(eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes"+getPositionDescription());
if(name == null) {
throw new IllegalArgumentException("attribute name can not be null");
}
// TODO make check if namespace is interned!!! etc. for names!!!
if(processNamespaces) {
if(namespace == null) {
namespace = "";
}
for(int i = 0; i < attributeCount; ++i) {
if((namespace == attributeUri[ i ] ||
namespace.equals(attributeUri[ i ]) )
//(namespace != null && namespace.equals(attributeUri[ i ]))
// taking advantage of String.intern()
&& name.equals(attributeName[ i ]) )
{
return attributeValue[i];
}
}
} else {
if(namespace != null && namespace.length() == 0) {
namespace = null;
}
if(namespace != null) throw new IllegalArgumentException(
"when namespaces processing is disabled attribute namespace must be null");
for(int i = 0; i < attributeCount; ++i) {
if(name.equals(attributeName[i]))
{
return attributeValue[i];
}
}
}
return null;
}
public int getEventType()
{
return eventType;
}
public void require(int type, String namespace, String name)
throws XmlPullParserException, IOException
{
if(processNamespaces == false && namespace != null) {
throw new XmlPullParserException(
"processing namespaces must be enabled on parser (or factory)"+
" to have possible namespaces declared on elements"
+(" (position:"+ getPositionDescription())+")");
}
if (type != getEventType()
|| (namespace != null && !namespace.equals (getNamespace()))
|| (name != null && !name.equals (getName ())) )
{
throw new XmlPullParserException (
"expected event "+TYPES[ type ]
+(name != null ? " with name '"+name+"'" : "")
+(namespace != null && name != null ? " and" : "")
+(namespace != null ? " with namespace '"+namespace+"'" : "")
+" but got"
+(type != getEventType() ? " "+TYPES[ getEventType() ] : "")
+(name != null && getName() != null && !name.equals (getName ())
? " name '"+getName()+"'" : "")
+(namespace != null && name != null
&& getName() != null && !name.equals (getName ())
&& getNamespace() != null && !namespace.equals (getNamespace())
? " and" : "")
+(namespace != null && getNamespace() != null && !namespace.equals (getNamespace())
? " namespace '"+getNamespace()+"'" : "")
+(" (position:"+ getPositionDescription())+")");
}
}
/**
* Skip sub tree that is currently parser positioned on.
*
NOTE: parser must be on START_TAG and when function returns
* parser will be positioned on corresponding END_TAG
*/
public void skipSubTree()
throws XmlPullParserException, IOException
{
require(START_TAG, null, null);
int level = 1;
while(level > 0) {
int eventType = next();
if(eventType == END_TAG) {
--level;
} else if(eventType == START_TAG) {
++level;
}
}
}
// public String readText() throws XmlPullParserException, IOException
// {
// if (getEventType() != TEXT) return "";
// String result = getText();
// next();
// return result;
// }
public String nextText() throws XmlPullParserException, IOException
{
// String result = null;
// boolean onStartTag = false;
// if(eventType == START_TAG) {
// onStartTag = true;
// next();
// }
// if(eventType == TEXT) {
// result = getText();
// next();
// } else if(onStartTag && eventType == END_TAG) {
// result = "";
// } else {
// throw new XmlPullParserException(
// "parser must be on START_TAG or TEXT to read text", this, null);
// }
// if(eventType != END_TAG) {
// throw new XmlPullParserException(
// "event TEXT it must be immediately followed by END_TAG", this, null);
// }
// return result;
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) {
final String result = getText();
eventType = next();
if(eventType != END_TAG) {
throw new XmlPullParserException(
"TEXT must be immediately followed by END_TAG and not "
+TYPES[ getEventType() ], 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 int nextTag() throws XmlPullParserException, IOException
{
next();
if(eventType == TEXT && isWhitespace()) { // skip whitespace
next();
}
if (eventType != START_TAG && eventType != END_TAG) {
throw new XmlPullParserException("expected START_TAG or END_TAG not "
+TYPES[ getEventType() ], this, null);
}
return eventType;
}
public int next()
throws XmlPullParserException, IOException
{
tokenize = false;
return nextImpl();
}
public int nextToken()
throws XmlPullParserException, IOException
{
tokenize = true;
return nextImpl();
}
protected int nextImpl()
throws XmlPullParserException, IOException
{
text = null;
pcEnd = pcStart = 0;
usePC = false;
bufStart = posEnd;
if(pastEndTag) {
pastEndTag = false;
--depth;
namespaceEnd = elNamespaceCount[ depth ]; // less namespaces available
}
if(emptyElementTag) {
emptyElementTag = false;
pastEndTag = true;
return eventType = END_TAG;
}
// [1] document ::= prolog element Misc*
if(depth > 0) {
if(seenStartTag) {
seenStartTag = false;
return eventType = parseStartTag();
}
if(seenEndTag) {
seenEndTag = false;
return eventType = parseEndTag();
}
// ASSUMPTION: we are _on_ first character of content or markup!!!!
// [43] content ::= CharData? ((element | Reference | CDSect | PI | Comment) CharData?)*
char ch;
if(seenMarkup) { // we have read ahead ...
seenMarkup = false;
ch = '<';
} else if(seenAmpersand) {
seenAmpersand = false;
ch = '&';
} else {
ch = more();
}
posStart = pos - 1; // VERY IMPORTANT: this is correct start of event!!!
// when true there is some potential event TEXT to return - keep gathering
boolean hadCharData = false;
// when true TEXT data is not continual (like ) and requires PC merging
boolean needsMerging = false;
MAIN_LOOP:
while(true) {
// work on MARKUP
if(ch == '<') {
if(hadCharData) {
//posEnd = pos - 1;
if(tokenize) {
seenMarkup = true;
return eventType = TEXT;
}
}
ch = more();
if(ch == '/') {
if(!tokenize && hadCharData) {
seenEndTag = true;
//posEnd = pos - 2;
return eventType = TEXT;
}
return eventType = parseEndTag();
} else if(ch == '!') {
ch = more();
if(ch == '-') {
// note: if(tokenize == false) posStart/End is NOT changed!!!!
parseComment();
if(tokenize) return eventType = COMMENT;
if( !usePC && hadCharData ) {
needsMerging = true;
} else {
posStart = pos; //completely ignore comment
}
} else if(ch == '[') {
//posEnd = pos - 3;
// must remember previous posStart/End as it merges with content of CDATA
//int oldStart = posStart + bufAbsoluteStart;
//int oldEnd = posEnd + bufAbsoluteStart;
parseCDSect(hadCharData);
if(tokenize) return eventType = CDSECT;
final int cdStart = posStart;
final int cdEnd = posEnd;
final int cdLen = cdEnd - cdStart;
if(cdLen > 0) { // was there anything inside CDATA section?
hadCharData = true;
if(!usePC) {
needsMerging = true;
}
}
// posStart = oldStart;
// posEnd = oldEnd;
// if(cdLen > 0) { // was there anything inside CDATA section?
// if(hadCharData) {
// // do merging if there was anything in CDSect!!!!
// // if(!usePC) {
// // // posEnd is correct already!!!
// // if(posEnd > posStart) {
// // joinPC();
// // } else {
// // usePC = true;
// // pcStart = pcEnd = 0;
// // }
// // }
// // if(pcEnd + cdLen >= pc.length) ensurePC(pcEnd + cdLen);
// // // copy [cdStart..cdEnd) into PC
// // System.arraycopy(buf, cdStart, pc, pcEnd, cdLen);
// // pcEnd += cdLen;
// if(!usePC) {
// needsMerging = true;
// posStart = cdStart;
// posEnd = cdEnd;
// }
// } else {
// if(!usePC) {
// needsMerging = true;
// posStart = cdStart;
// posEnd = cdEnd;
// hadCharData = true;
// }
// }
// //hadCharData = true;
// } else {
// if( !usePC && hadCharData ) {
// needsMerging = true;
// }
// }
} else {
throw new XmlPullParserException(
"unexpected character in markup "+printable(ch), this, null);
}
} else if(ch == '?') {
parsePI();
if(tokenize) return eventType = PROCESSING_INSTRUCTION;
if( !usePC && hadCharData ) {
needsMerging = true;
} else {
posStart = pos; //completely ignore PI
}
} else if( isNameStartChar(ch) ) {
if(!tokenize && hadCharData) {
seenStartTag = true;
//posEnd = pos - 2;
return eventType = TEXT;
}
return eventType = parseStartTag();
} else {
throw new XmlPullParserException(
"unexpected character in markup "+printable(ch), this, null);
}
// do content compaction if it makes sense!!!!
} else if(ch == '&') {
// work on ENTITTY
//posEnd = pos - 1;
if(tokenize && hadCharData) {
seenAmpersand = true;
return eventType = TEXT;
}
final int oldStart = posStart + bufAbsoluteStart;
final int oldEnd = posEnd + bufAbsoluteStart;
final char[] resolvedEntity = parseEntityRef();
if(tokenize) return eventType = ENTITY_REF;
// check if replacement text can be resolved !!!
if(resolvedEntity == null) {
if(entityRefName == null) {
entityRefName = newString(buf, posStart, posEnd - posStart);
}
throw new XmlPullParserException(
"could not resolve entity named '"+printable(entityRefName)+"'",
this, null);
}
//int entStart = posStart;
//int entEnd = posEnd;
posStart = oldStart - bufAbsoluteStart;
posEnd = oldEnd - bufAbsoluteStart;
if(!usePC) {
if(hadCharData) {
joinPC(); // posEnd is already set correctly!!!
needsMerging = false;
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
// write into PC replacement text - do merge for replacement text!!!!
for (int i = 0; i < resolvedEntity.length; i++)
{
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = resolvedEntity[ i ];
}
hadCharData = true;
//assert needsMerging == false;
} else {
if(needsMerging) {
//assert usePC == false;
joinPC(); // posEnd is already set correctly!!!
//posStart = pos - 1;
needsMerging = false;
}
//no MARKUP not ENTITIES so work on character data ...
// [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
hadCharData = true;
boolean normalizedCR = false;
final boolean normalizeInput = tokenize == false || roundtripSupported == false;
// use loop locality here!!!!
boolean seenBracket = false;
boolean seenBracketBracket = false;
do {
// check that ]]> does not show in
if(ch == ']') {
if(seenBracket) {
seenBracketBracket = true;
} else {
seenBracket = true;
}
} else if(seenBracketBracket && ch == '>') {
throw new XmlPullParserException(
"characters ]]> are not allowed in content", this, null);
} else {
if(seenBracket) {
seenBracketBracket = seenBracket = false;
}
// assert seenTwoBrackets == seenBracket == false;
}
if(normalizeInput) {
// deal with normalization issues ...
if(ch == '\r') {
normalizedCR = true;
posEnd = pos -1;
// posEnd is already is set
if(!usePC) {
if(posEnd > posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
// if(!usePC) { joinPC(); } else { if(pcEnd >= pc.length) ensurePC(); }
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
ch = more();
} while(ch != '<' && ch != '&');
posEnd = pos - 1;
continue MAIN_LOOP; // skip ch = more() from below - we are alreayd ahead ...
}
ch = more();
} // endless while(true)
} else {
if(seenRoot) {
return parseEpilog();
} else {
return parseProlog();
}
}
}
protected int parseProlog()
throws XmlPullParserException, IOException
{
// [2] prolog: ::= XMLDecl? Misc* (doctypedecl Misc*)? and look for [39] element
char ch;
if(seenMarkup) {
ch = buf[ pos - 1 ];
} else {
ch = more();
}
if(eventType == START_DOCUMENT) {
// bootstrap parsing with getting first character input!
// deal with BOM
// detect BOM and drop it (Unicode int Order Mark)
if(ch == '\uFFFE') {
throw new XmlPullParserException(
"first character in input was UNICODE noncharacter (0xFFFE)"+
"- input requires int swapping", this, null);
}
if(ch == '\uFEFF') {
// skipping UNICODE int Order Mark (so called BOM)
ch = more();
}
}
seenMarkup = false;
boolean gotS = false;
posStart = pos - 1;
final boolean normalizeIgnorableWS = tokenize == true && roundtripSupported == false;
boolean normalizedCR = false;
while(true) {
// deal with Misc
// [27] Misc ::= Comment | PI | S
// deal with docdecl --> mark it!
// else parseStartTag seen <[^/]
if(ch == '<') {
if(gotS && tokenize) {
posEnd = pos - 1;
seenMarkup = true;
return eventType = IGNORABLE_WHITESPACE;
}
ch = more();
if(ch == '?') {
// check if it is 'xml'
// deal with XMLDecl
if(parsePI()) { // make sure to skip XMLDecl
if(tokenize) {
return eventType = PROCESSING_INSTRUCTION;
}
} else {
// skip over - continue tokenizing
posStart = pos;
gotS = false;
}
} else if(ch == '!') {
ch = more();
if(ch == 'D') {
if(seenDocdecl) {
throw new XmlPullParserException(
"only one docdecl allowed in XML document", this, null);
}
seenDocdecl = true;
parseDocdecl();
if(tokenize) return eventType = DOCDECL;
} else if(ch == '-') {
parseComment();
if(tokenize) return eventType = COMMENT;
} else {
throw new XmlPullParserException(
"unexpected markup posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
} else {
throw new XmlPullParserException(
"only whitespace content allowed before start tag and not "+printable(ch),
this, null);
}
ch = more();
}
}
protected int parseEpilog()
throws XmlPullParserException, IOException
{
if(eventType == END_DOCUMENT) {
throw new XmlPullParserException("already reached end of XML input", this, null);
}
if(reachedEnd) {
return eventType = END_DOCUMENT;
}
boolean gotS = false;
final boolean normalizeIgnorableWS = tokenize == true && roundtripSupported == false;
boolean normalizedCR = false;
try {
// epilog: Misc*
char ch;
if(seenMarkup) {
ch = buf[ pos - 1 ];
} else {
ch = more();
}
seenMarkup = false;
posStart = pos - 1;
if(!reachedEnd) {
while(true) {
// deal with Misc
// [27] Misc ::= Comment | PI | S
if(ch == '<') {
if(gotS && tokenize) {
posEnd = pos - 1;
seenMarkup = true;
return eventType = IGNORABLE_WHITESPACE;
}
ch = more();
if(reachedEnd) {
break;
}
if(ch == '?') {
// check if it is 'xml'
// deal with XMLDecl
parsePI();
if(tokenize) return eventType = PROCESSING_INSTRUCTION;
} else if(ch == '!') {
ch = more();
if(reachedEnd) {
break;
}
if(ch == 'D') {
parseDocdecl(); //FIXME
if(tokenize) return eventType = DOCDECL;
} else if(ch == '-') {
parseComment();
if(tokenize) return eventType = COMMENT;
} else {
throw new XmlPullParserException(
"unexpected markup posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
} else {
throw new XmlPullParserException(
"in epilog non whitespace content is not allowed but got "+printable(ch),
this, null);
}
ch = more();
if(reachedEnd) {
break;
}
}
}
// throw Exception("unexpected content in epilog
// catch EOFException return END_DOCUEMENT
//try {
} catch(EOFException ex) {
reachedEnd = true;
}
if(reachedEnd) {
if(tokenize && gotS) {
posEnd = pos; // well - this is LAST available character pos
return eventType = IGNORABLE_WHITESPACE;
}
return eventType = END_DOCUMENT;
} else {
throw new XmlPullParserException("internal error in parseEpilog");
}
}
public int parseEndTag() throws XmlPullParserException, IOException {
//ASSUMPTION ch is past "'
char ch = more();
if(!isNameStartChar(ch)) {
throw new XmlPullParserException(
"expected name start and not "+printable(ch), this, null);
}
posStart = pos - 3;
final int nameStart = pos - 1 + bufAbsoluteStart;
do {
ch = more();
} while(isNameChar(ch));
// now we go one level down -- do checks
//--depth; //FIXME
// check that end tag name is the same as start tag
//String name = new String(buf, nameStart - bufAbsoluteStart,
// (pos - 1) - (nameStart - bufAbsoluteStart));
//int last = pos - 1;
int off = nameStart - bufAbsoluteStart;
//final int len = last - off;
final int len = (pos - 1) - off;
final char[] cbuf = elRawName[depth];
if(elRawNameEnd[depth] != len) {
// construct strings for exception
final String startname = new String(cbuf, 0, elRawNameEnd[depth]);
final String endname = new String(buf, off, len);
throw new XmlPullParserException(
"end tag name must match start tag name <"+startname+">"
+" from line "+elRawNameLine[depth], this, null);
}
for (int i = 0; i < len; i++)
{
if(buf[off++] != cbuf[i]) {
// construct strings for exception
final String startname = new String(cbuf, 0, len);
final String endname = new String(buf, off - i - 1, len);
throw new XmlPullParserException(
"end tag name must be the same as start tag <"+startname+">"
+" from line "+elRawNameLine[depth], this, null);
}
}
while(isS(ch)) { ch = more(); } // skip additional white spaces
if(ch != '>') {
throw new XmlPullParserException(
"expected > to finish end tag not "+printable(ch)
+" from line "+elRawNameLine[depth], this, null);
}
//namespaceEnd = elNamespaceCount[ depth ]; //FIXME
posEnd = pos;
pastEndTag = true;
return eventType = END_TAG;
}
public int parseStartTag() throws XmlPullParserException, IOException {
//ASSUMPTION ch is past '
// [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>'
++depth; //FIXME
posStart = pos - 2;
emptyElementTag = false;
attributeCount = 0;
// retrieve name
final int nameStart = pos - 1 + bufAbsoluteStart;
int colonPos = -1;
char ch = buf[ pos - 1];
if(ch == ':' && processNamespaces) throw new XmlPullParserException(
"when namespaces processing enabled colon can not be at element name start",
this, null);
while(true) {
ch = more();
if(!isNameChar(ch)) break;
if(ch == ':' && processNamespaces) {
if(colonPos != -1) throw new XmlPullParserException(
"only one colon is allowed in name of element when namespaces are enabled",
this, null);
colonPos = pos - 1 + bufAbsoluteStart;
}
}
// retrieve name
ensureElementsCapacity();
//TODO check for efficient interning and then use elRawNameInterned!!!!
int elLen = (pos - 1) - (nameStart - bufAbsoluteStart);
if(elRawName[ depth ] == null || elRawName[ depth ].length < elLen) {
elRawName[ depth ] = new char[ 2 * elLen ];
}
System.arraycopy(buf, nameStart - bufAbsoluteStart, elRawName[ depth ], 0, elLen);
elRawNameEnd[ depth ] = elLen;
elRawNameLine[ depth ] = lineNumber;
String name = null;
// work on prefixes and namespace URI
String prefix = null;
if(processNamespaces) {
if(colonPos != -1) {
prefix = elPrefix[ depth ] = newString(buf, nameStart - bufAbsoluteStart,
colonPos - nameStart);
name = elName[ depth ] = newString(buf, colonPos + 1 - bufAbsoluteStart,
//(pos -1) - (colonPos + 1));
pos - 2 - (colonPos - bufAbsoluteStart));
} else {
prefix = elPrefix[ depth ] = null;
name = elName[ depth ] = newString(buf, nameStart - bufAbsoluteStart, elLen);
}
} else {
name = elName[ depth ] = newString(buf, nameStart - bufAbsoluteStart, elLen);
}
while(true) {
while(isS(ch)) { ch = more(); } // skip additional white spaces
if(ch == '>') {
break;
} else if(ch == '/') {
if(emptyElementTag) throw new XmlPullParserException(
"repeated / in tag declaration", this, null);
emptyElementTag = true;
ch = more();
if(ch != '>') throw new XmlPullParserException(
"expected > to end empty tag not "+printable(ch), this, null);
break;
} else if(isNameStartChar(ch)) {
ch = parseAttribute();
ch = more();
continue;
} else {
throw new XmlPullParserException(
"start tag unexpected character "+printable(ch), this, null);
}
//ch = more(); // skip space
}
// now when namespaces were declared we can resolve them
if(processNamespaces) {
String uri = getNamespace(prefix);
if(uri == null) {
if(prefix == null) { // no prefix and no uri => use default namespace
uri = NO_NAMESPACE;
} else {
throw new XmlPullParserException(
"could not determine namespace bound to element prefix "+prefix,
this, null);
}
}
elUri[ depth ] = uri;
//String uri = getNamespace(prefix);
//if(uri == null && prefix == null) { // no prefix and no uri => use default namespace
// uri = "";
//}
// resolve attribute namespaces
for (int i = 0; i < attributeCount; i++)
{
final String attrPrefix = attributePrefix[ i ];
if(attrPrefix != null) {
final String attrUri = getNamespace(attrPrefix);
if(attrUri == null) {
throw new XmlPullParserException(
"could not determine namespace bound to attribute prefix "+attrPrefix,
this, null);
}
attributeUri[ i ] = attrUri;
} else {
attributeUri[ i ] = NO_NAMESPACE;
}
}
//TODO
//[ WFC: Unique Att Spec ]
// check attribute uniqueness constraint for attributes that has namespace!!!
for (int i = 1; i < attributeCount; i++)
{
for (int j = 0; j < i; j++)
{
if( attributeUri[j] == attributeUri[i]
&& (allStringsInterned && attributeName[j].equals(attributeName[i])
|| (!allStringsInterned
&& attributeNameHash[ j ] == attributeNameHash[ i ]
&& attributeName[j].equals(attributeName[i])) )
) {
// prepare data for nice error message?
String attr1 = attributeName[j];
if(attributeUri[j] != null) attr1 = attributeUri[j]+":"+attr1;
String attr2 = attributeName[i];
if(attributeUri[i] != null) attr2 = attributeUri[i]+":"+attr2;
throw new XmlPullParserException(
"duplicated attributes "+attr1+" and "+attr2, this, null);
}
}
}
} else { // ! processNamespaces
//[ WFC: Unique Att Spec ]
// check raw attribute uniqueness constraint!!!
for (int i = 1; i < attributeCount; i++)
{
for (int j = 0; j < i; j++)
{
if((allStringsInterned && attributeName[j].equals(attributeName[i])
|| (!allStringsInterned
&& attributeNameHash[ j ] == attributeNameHash[ i ]
&& attributeName[j].equals(attributeName[i])) )
) {
// prepare data for nice error message?
final String attr1 = attributeName[j];
final String attr2 = attributeName[i];
throw new XmlPullParserException(
"duplicated attributes "+attr1+" and "+attr2, this, null);
}
}
}
}
elNamespaceCount[ depth ] = namespaceEnd;
posEnd = pos;
return eventType = START_TAG;
}
protected char parseAttribute() throws XmlPullParserException, IOException
{
// parse attribute
// [41] Attribute ::= Name Eq AttValue
// [WFC: No External Entity References]
// [WFC: No < in Attribute Values]
final int prevPosStart = posStart + bufAbsoluteStart;
final int nameStart = pos - 1 + bufAbsoluteStart;
int colonPos = -1;
char ch = buf[ pos - 1 ];
if(ch == ':' && processNamespaces) throw new XmlPullParserException(
"when namespaces processing enabled colon can not be at attribute name start",
this, null);
boolean startsWithXmlns = processNamespaces && ch == 'x';
int xmlnsPos = 0;
ch = more();
while(isNameChar(ch)) {
if(processNamespaces) {
if(startsWithXmlns && xmlnsPos < 5) {
++xmlnsPos;
if(xmlnsPos == 1) { if(ch != 'm') startsWithXmlns = false; }
else if(xmlnsPos == 2) { if(ch != 'l') startsWithXmlns = false; }
else if(xmlnsPos == 3) { if(ch != 'n') startsWithXmlns = false; }
else if(xmlnsPos == 4) { if(ch != 's') startsWithXmlns = false; }
else if(xmlnsPos == 5) {
if(ch != ':') throw new XmlPullParserException(
"after xmlns in attribute name must be colon"
+"when namespaces are enabled", this, null);
//colonPos = pos - 1 + bufAbsoluteStart;
}
}
if(ch == ':') {
if(colonPos != -1) throw new XmlPullParserException(
"only one colon is allowed in attribute name"
+" when namespaces are enabled", this, null);
colonPos = pos - 1 + bufAbsoluteStart;
}
}
ch = more();
}
ensureAttributesCapacity(attributeCount);
// --- start processing attributes
String name = null;
String prefix = null;
// work on prefixes and namespace URI
if(processNamespaces) {
if(xmlnsPos < 4) startsWithXmlns = false;
if(startsWithXmlns) {
if(colonPos != -1) {
//prefix = attributePrefix[ attributeCount ] = null;
final int nameLen = pos - 2 - (colonPos - bufAbsoluteStart);
if(nameLen == 0) {
throw new XmlPullParserException(
"namespace prefix is required after xmlns: "
+" when namespaces are enabled", this, null);
}
name = //attributeName[ attributeCount ] =
newString(buf, colonPos - bufAbsoluteStart + 1, nameLen);
//pos - 1 - (colonPos + 1 - bufAbsoluteStart)
}
} else {
if(colonPos != -1) {
int prefixLen = colonPos - nameStart;
prefix = attributePrefix[ attributeCount ] =
newString(buf, nameStart - bufAbsoluteStart,prefixLen);
//colonPos - (nameStart - bufAbsoluteStart));
int nameLen = pos - 2 - (colonPos - bufAbsoluteStart);
name = attributeName[ attributeCount ] =
newString(buf, colonPos - bufAbsoluteStart + 1, nameLen);
//pos - 1 - (colonPos + 1 - bufAbsoluteStart));
//name.substring(0, colonPos-nameStart);
} else {
prefix = attributePrefix[ attributeCount ] = null;
name = attributeName[ attributeCount ] =
newString(buf, nameStart - bufAbsoluteStart,
pos - 1 - (nameStart - bufAbsoluteStart));
}
if(!allStringsInterned) {
attributeNameHash[ attributeCount ] = name.hashCode();
}
}
} else {
// retrieve name
name = attributeName[ attributeCount ] =
newString(buf, nameStart - bufAbsoluteStart,
pos - 1 - (nameStart - bufAbsoluteStart));
////assert name != null;
if(!allStringsInterned) {
attributeNameHash[ attributeCount ] = name.hashCode();
}
}
// [25] Eq ::= S? '=' S?
while(isS(ch)) { ch = more(); } // skip additional spaces
if(ch != '=') throw new XmlPullParserException(
"expected = after attribute name", this, null);
ch = more();
while(isS(ch)) { ch = more(); } // skip additional spaces
// [10] AttValue ::= '"' ([^<&"] | Reference)* '"'
// | "'" ([^<&'] | Reference)* "'"
final char delimit = ch;
if(delimit != '"' && delimit != '\'') throw new XmlPullParserException(
"attribute value must start with quotation or apostrophe not "
+printable(delimit), this, null);
// parse until delimit or < and resolve Reference
//[67] Reference ::= EntityRef | CharRef
//int valueStart = pos + bufAbsoluteStart;
boolean normalizedCR = false;
usePC = false;
pcStart = pcEnd;
posStart = pos;
while(true) {
ch = more();
if(ch == delimit) {
break;
} if(ch == '<') {
throw new XmlPullParserException(
"markup not allowed inside attribute value - illegal < ", this, null);
} if(ch == '&') {
// extractEntityRef
posEnd = pos - 1;
if(!usePC) {
final boolean hadCharData = posEnd > posStart;
if(hadCharData) {
// posEnd is already set correctly!!!
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
final char[] resolvedEntity = parseEntityRef();
// check if replacement text can be resolved !!!
if(resolvedEntity == null) {
if(entityRefName == null) {
entityRefName = newString(buf, posStart, posEnd - posStart);
}
throw new XmlPullParserException(
"could not resolve entity named '"+printable(entityRefName)+"'",
this, null);
}
// write into PC replacement text - do merge for replacement text!!!!
for (int i = 0; i < resolvedEntity.length; i++)
{
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = resolvedEntity[ i ];
}
} else if(ch == '\t' || ch == '\n' || ch == '\r') {
// do attribute value normalization
// as described in http://www.w3.org/TR/REC-xml#AVNormalize
// TODO add test for it form spec ...
// handle EOL normalization ...
if(!usePC) {
posEnd = pos - 1;
if(posEnd > posStart) {
joinPC();
} else {
usePC = true;
pcEnd = pcStart = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
if(ch != '\n' || !normalizedCR) {
pc[pcEnd++] = ' '; //'\n';
}
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
}
normalizedCR = ch == '\r';
}
if(processNamespaces && startsWithXmlns) {
String ns = null;
if(!usePC) {
ns = newStringIntern(buf, posStart, pos - 1 - posStart);
} else {
ns = newStringIntern(pc, pcStart, pcEnd - pcStart);
}
ensureNamespacesCapacity(namespaceEnd);
int prefixHash = -1;
if(colonPos != -1) {
if(ns.length() == 0) {
throw new XmlPullParserException(
"non-default namespace can not be declared to be empty string", this, null);
}
// declare new namespace
namespacePrefix[ namespaceEnd ] = name;
if(!allStringsInterned) {
prefixHash = namespacePrefixHash[ namespaceEnd ] = name.hashCode();
}
} else {
// declare new default namespace ...
namespacePrefix[ namespaceEnd ] = null; //""; //null; //TODO check FIXME Alek
if(!allStringsInterned) {
prefixHash = namespacePrefixHash[ namespaceEnd ] = -1;
}
}
namespaceUri[ namespaceEnd ] = ns;
// detect duplicate namespace declarations!!!
final int startNs = elNamespaceCount[ depth - 1 ];
for (int i = namespaceEnd - 1; i >= startNs; --i)
{
if(((allStringsInterned || name == null) && namespacePrefix[ i ] == name)
|| (!allStringsInterned && name != null &&
namespacePrefixHash[ i ] == prefixHash
&& name.equals(namespacePrefix[ i ])
))
{
final String s = name == null ? "default" : "'"+name+"'";
throw new XmlPullParserException(
"duplicated namespace declaration for "+s+" prefix", this, null);
}
}
++namespaceEnd;
} else {
if(!usePC) {
attributeValue[ attributeCount ] =
new String(buf, posStart, pos - 1 - posStart);
} else {
attributeValue[ attributeCount ] =
new String(pc, pcStart, pcEnd - pcStart);
}
++attributeCount;
}
posStart = prevPosStart - bufAbsoluteStart;
return ch;
}
protected char[] charRefOneCharBuf = new char[1];
protected char[] parseEntityRef()
throws XmlPullParserException, IOException
{
// entity reference http://www.w3.org/TR/2000/REC-xml-20001006#NT-Reference
// [67] Reference ::= EntityRef | CharRef
// ASSUMPTION just after &
entityRefName = null;
posStart = pos;
char ch = more();
if(ch == '#') {
// parse character reference
char charRef = 0;
ch = more();
if(ch == 'x') {
//encoded in hex
while(true) {
ch = more();
if(ch >= '0' && ch <= '9') {
charRef = (char)(charRef * 16 + (ch - '0'));
} else if(ch >= 'a' && ch <= 'f') {
charRef = (char)(charRef * 16 + (ch - ('a' - 10)));
} else if(ch >= 'A' && ch <= 'F') {
charRef = (char)(charRef * 16 + (ch - ('A' - 10)));
} else if(ch == ';') {
break;
} else {
throw new XmlPullParserException(
"character reference (with hex value) may not contain "
+printable(ch), this, null);
}
}
} else {
// encoded in decimal
while(true) {
if(ch >= '0' && ch <= '9') {
charRef = (char)(charRef * 10 + (ch - '0'));
} else if(ch == ';') {
break;
} else {
throw new XmlPullParserException(
"character reference (with decimal value) may not contain "
+printable(ch), this, null);
}
ch = more();
}
}
posEnd = pos - 1;
charRefOneCharBuf[0] = charRef;
if(tokenize) {
text = newString(charRefOneCharBuf, 0, 1);
}
return charRefOneCharBuf;
} else {
// [68] EntityRef ::= '&' Name ';'
// scan name until ;
if(!isNameStartChar(ch)) {
throw new XmlPullParserException(
"entity reference names can not start with character '"
+printable(ch)+"'", this, null);
}
while(true) {
ch = more();
if(ch == ';') {
break;
}
if(!isNameChar(ch)) {
throw new XmlPullParserException(
"entity reference name can not contain character "
+printable(ch)+"'", this, null);
}
}
posEnd = pos - 1;
// determine what name maps to
final int len = posEnd - posStart;
if(len == 2 && buf[posStart] == 'l' && buf[posStart+1] == 't') {
if(tokenize) {
text = "<";
}
charRefOneCharBuf[0] = '<';
return charRefOneCharBuf;
//if(paramPC || isParserTokenizing) {
// if(pcEnd >= pc.length) ensurePC();
// pc[pcEnd++] = '<';
//}
} else if(len == 3 && buf[posStart] == 'a'
&& buf[posStart+1] == 'm' && buf[posStart+2] == 'p') {
if(tokenize) {
text = "&";
}
charRefOneCharBuf[0] = '&';
return charRefOneCharBuf;
} else if(len == 2 && buf[posStart] == 'g' && buf[posStart+1] == 't') {
if(tokenize) {
text = ">";
}
charRefOneCharBuf[0] = '>';
return charRefOneCharBuf;
} else if(len == 4 && buf[posStart] == 'a' && buf[posStart+1] == 'p'
&& buf[posStart+2] == 'o' && buf[posStart+3] == 's')
{
if(tokenize) {
text = "'";
}
charRefOneCharBuf[0] = '\'';
return charRefOneCharBuf;
} else if(len == 4 && buf[posStart] == 'q' && buf[posStart+1] == 'u'
&& buf[posStart+2] == 'o' && buf[posStart+3] == 't')
{
if(tokenize) {
text = "\"";
}
charRefOneCharBuf[0] = '"';
return charRefOneCharBuf;
} else {
final char[] result = lookuEntityReplacement(len);
if(result != null) {
return result;
}
}
if(tokenize) text = null;
return null;
}
}
protected char[] lookuEntityReplacement(int entitNameLen)
throws XmlPullParserException, IOException
{
if(!allStringsInterned) {
final int hash = fastHash(buf, posStart, posEnd - posStart);
LOOP:
for (int i = entityEnd - 1; i >= 0; --i)
{
if(hash == entityNameHash[ i ] && entitNameLen == entityNameBuf[ i ].length) {
final char[] entityBuf = entityNameBuf[ i ];
for (int j = 0; j < entitNameLen; j++)
{
if(buf[posStart + j] != entityBuf[j]) continue LOOP;
}
if(tokenize) text = entityReplacement[ i ];
return entityReplacementBuf[ i ];
}
}
} else {
entityRefName = newString(buf, posStart, posEnd - posStart);
for (int i = entityEnd - 1; i >= 0; --i)
{
// take advantage that interning for newStirng is enforced
if(entityRefName == entityName[ i ]) {
if(tokenize) text = entityReplacement[ i ];
return entityReplacementBuf[ i ];
}
}
}
return null;
}
protected void parseComment()
throws XmlPullParserException, IOException
{
// implements XML 1.0 Section 2.5 Comments
//ASSUMPTION: seen
ch = more();
if(seenDashDash && ch != '>') {
throw new XmlPullParserException(
"in comment after two dashes (--) next character must be >"
+" not "+printable(ch), this, null);
}
if(ch == '-') {
if(!seenDash) {
seenDash = true;
} else {
seenDashDash = true;
seenDash = false;
}
} else if(ch == '>') {
if(seenDashDash) {
break; // found end sequence!!!!
} else {
seenDashDash = false;
}
seenDash = false;
} else {
seenDash = false;
}
if(normalizeIgnorableWS) {
if(ch == '\r') {
normalizedCR = true;
//posEnd = pos -1;
//joinPC();
// posEnd is already set
if(!usePC) {
posEnd = pos -1;
if(posEnd > posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
}
} catch(EOFException ex) {
// detect EOF and create meaningful error ...
throw new XmlPullParserException(
"comment started on line "+curLine+" and column "+curColumn+" was not closed",
this, ex);
}
if(tokenize) {
posEnd = pos - 3;
if(usePC) {
pcEnd -= 2;
}
}
}
protected boolean parsePI()
throws XmlPullParserException, IOException
{
// implements XML 1.0 Section 2.6 Processing Instructions
// [16] PI ::= '' Char*)))? '?>'
// [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
//ASSUMPTION: seen
//ch = more();
if(ch == '?') {
seenQ = true;
} else if(ch == '>') {
if(seenQ) {
break; // found end sequence!!!!
}
seenQ = false;
} else {
if(piTargetEnd == -1 && isS(ch)) {
piTargetEnd = pos - 1 + bufAbsoluteStart;
// [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
if((piTargetEnd - piTargetStart) == 3) {
if((buf[piTargetStart] == 'x' || buf[piTargetStart] == 'X')
&& (buf[piTargetStart+1] == 'm' || buf[piTargetStart+1] == 'M')
&& (buf[piTargetStart+2] == 'l' || buf[piTargetStart+2] == 'L')
)
{
if(piTargetStart > 3) { // posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
ch = more();
}
} catch(EOFException ex) {
// detect EOF and create meaningful error ...
throw new XmlPullParserException(
"processing instruction started on line "+curLine+" and column "+curColumn
+" was not closed",
this, ex);
}
if(piTargetEnd == -1) {
piTargetEnd = pos - 2 + bufAbsoluteStart;
//throw new XmlPullParserException(
// "processing instruction must have PITarget name", this, null);
}
piTargetStart -= bufAbsoluteStart;
piTargetEnd -= bufAbsoluteStart;
if(tokenize) {
posEnd = pos - 2;
if(normalizeIgnorableWS) {
--pcEnd;
}
}
return true;
}
// protected final static char[] VERSION = {'v','e','r','s','i','o','n'};
// protected final static char[] NCODING = {'n','c','o','d','i','n','g'};
// protected final static char[] TANDALONE = {'t','a','n','d','a','l','o','n','e'};
// protected final static char[] YES = {'y','e','s'};
// protected final static char[] NO = {'n','o'};
protected final static char[] VERSION = "version".toCharArray();
protected final static char[] NCODING = "ncoding".toCharArray();
protected final static char[] TANDALONE = "tandalone".toCharArray();
protected final static char[] YES = "yes".toCharArray();
protected final static char[] NO = "no".toCharArray();
protected void parseXmlDecl(char ch)
throws XmlPullParserException, IOException
{
// [23] XMLDecl ::= ''
// first make sure that relative positions will stay OK
preventBufferCompaction = true;
bufStart = 0; // necessary to keep pos unchanged during expansion!
// --- parse VersionInfo
// [24] VersionInfo ::= S 'version' Eq ("'" VersionNum "'" | '"' VersionNum '"')
// parse is positioned just on first S past 'z') && (ch < 'A' || ch > 'Z') && (ch < '0' || ch > '9')
&& ch != '_' && ch != '.' && ch != ':' && ch != '-')
{
throw new XmlPullParserException(
" 'z') && (ch < 'A' || ch > 'Z'))
{
throw new XmlPullParserException(
" 'z') && (ch < 'A' || ch > 'Z') && (ch < '0' || ch > '9')
&& ch != '.' && ch != '_' && ch != '-')
{
throw new XmlPullParserException(
" as last part of ') {
throw new XmlPullParserException(
"expected ?> as last part of '
int bracketLevel = 0;
final boolean normalizeIgnorableWS = tokenize == true && roundtripSupported == false;
boolean normalizedCR = false;
while(true) {
ch = more();
if(ch == '[') ++bracketLevel;
if(ch == ']') --bracketLevel;
if(ch == '>' && bracketLevel == 0) break;
if(normalizeIgnorableWS) {
if(ch == '\r') {
normalizedCR = true;
//posEnd = pos -1;
//joinPC();
// posEnd is alreadys set
if(!usePC) {
posEnd = pos -1;
if(posEnd > posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
}
posEnd = pos - 1;
}
protected void parseCDSect(boolean hadCharData)
throws XmlPullParserException, IOException
{
// implements XML 1.0 Section 2.7 CDATA Sections
// [18] CDSect ::= CDStart CData CDEnd
// [19] CDStart ::= '' Char*))
// [21] CDEnd ::= ']]>'
//ASSUMPTION: seen posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
}
}
boolean seenBracket = false;
boolean seenBracketBracket = false;
boolean normalizedCR = false;
while(true) {
// scan until it hits "]]>"
ch = more();
if(ch == ']') {
if(!seenBracket) {
seenBracket = true;
} else {
seenBracketBracket = true;
//seenBracket = false;
}
} else if(ch == '>') {
if(seenBracket && seenBracketBracket) {
break; // found end sequence!!!!
} else {
seenBracketBracket = false;
}
seenBracket = false;
} else {
if(seenBracket) {
seenBracket = false;
}
}
if(normalizeInput) {
// deal with normalization issues ...
if(ch == '\r') {
normalizedCR = true;
posStart = cdStart - bufAbsoluteStart;
posEnd = pos - 1; // posEnd is alreadys set
if(!usePC) {
if(posEnd > posStart) {
joinPC();
} else {
usePC = true;
pcStart = pcEnd = 0;
}
}
//assert usePC == true;
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
} else if(ch == '\n') {
if(!normalizedCR && usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = '\n';
}
normalizedCR = false;
} else {
if(usePC) {
if(pcEnd >= pc.length) ensurePC(pcEnd);
pc[pcEnd++] = ch;
}
normalizedCR = false;
}
}
}
} catch(EOFException ex) {
// detect EOF and create meaningful error ...
throw new XmlPullParserException(
"CDATA section started on line "+curLine+" and column "+curColumn+" was not closed",
this, ex);
}
if(normalizeInput) {
if(usePC) {
pcEnd = pcEnd - 2;
}
}
posStart = cdStart - bufAbsoluteStart;
posEnd = pos - 3;
}
protected void fillBuf() throws IOException, XmlPullParserException {
if(reader == null) throw new XmlPullParserException(
"reader must be set before parsing is started");
// see if we are in compaction area
if(bufEnd > bufSoftLimit) {
// expand buffer it makes sense!!!!
boolean compact = bufStart > bufSoftLimit;
boolean expand = false;
if(preventBufferCompaction) {
compact = false;
expand = true;
} else if(!compact) {
//freeSpace
if(bufStart < buf.length / 2) {
// less then half buffer available forcompactin --> expand instead!!!
expand = true;
} else {
// at least half of buffer can be reclaimed --> worthwhile effort!!!
compact = true;
}
}
// if buffer almost full then compact it
if(compact) {
//TODO: look on trashing
// //assert bufStart > 0
System.arraycopy(buf, bufStart, buf, 0, bufEnd - bufStart);
if(TRACE_SIZING) System.out.println(
"TRACE_SIZING fillBuf() compacting "+bufStart
+" bufEnd="+bufEnd
+" pos="+pos+" posStart="+posStart+" posEnd="+posEnd
+" buf first 100 chars:"+new String(buf, bufStart,
bufEnd - bufStart < 100 ? bufEnd - bufStart : 100 ));
} else if(expand) {
final int newSize = 2 * buf.length;
final char newBuf[] = new char[ newSize ];
if(TRACE_SIZING) System.out.println("TRACE_SIZING fillBuf() "+buf.length+" => "+newSize);
System.arraycopy(buf, bufStart, newBuf, 0, bufEnd - bufStart);
buf = newBuf;
if(bufLoadFactor > 0) {
//bufSoftLimit = ( bufLoadFactor * buf.length ) /100;
bufSoftLimit = (int) (( ((long) bufLoadFactor) * buf.length ) /100);
}
} else {
throw new XmlPullParserException("internal error in fillBuffer()");
}
bufEnd -= bufStart;
pos -= bufStart;
posStart -= bufStart;
posEnd -= bufStart;
bufAbsoluteStart += bufStart;
bufStart = 0;
if(TRACE_SIZING) System.out.println(
"TRACE_SIZING fillBuf() after bufEnd="+bufEnd
+" pos="+pos+" posStart="+posStart+" posEnd="+posEnd
+" buf first 100 chars:"+new String(buf, 0, bufEnd < 100 ? bufEnd : 100));
}
// at least one character must be read or error
final int len = buf.length - bufEnd > READ_CHUNK_SIZE ? READ_CHUNK_SIZE : buf.length - bufEnd;
final int ret = reader.read(buf, bufEnd, len);
if(ret > 0) {
bufEnd += ret;
if(TRACE_SIZING) System.out.println(
"TRACE_SIZING fillBuf() after filling in buffer"
+" buf first 100 chars:"+new String(buf, 0, bufEnd < 100 ? bufEnd : 100));
return;
}
if(ret == -1) {
if(bufAbsoluteStart == 0 && pos == 0) {
throw new EOFException("input contained no data");
} else {
if(seenRoot && depth == 0) { // inside parsing epilog!!!
reachedEnd = true;
return;
} else {
StringBuffer expectedTagStack = new StringBuffer();
if(depth > 0) {
//final char[] cbuf = elRawName[depth];
//final String startname = new String(cbuf, 0, elRawNameEnd[depth]);
expectedTagStack.append(" - expected end tag");
if(depth > 1) {
expectedTagStack.append("s"); //more than one end tag
}
expectedTagStack.append(" ");
for (int i = depth; i > 0; i--)
{
String tagName = new String(elRawName[i], 0, elRawNameEnd[i]);
expectedTagStack.append("');
}
expectedTagStack.append(" to close");
for (int i = depth; i > 0; i--)
{
if(i != depth) {
expectedTagStack.append(" and"); //more than one end tag
}
String tagName = new String(elRawName[i], 0, elRawNameEnd[i]);
expectedTagStack.append(" start tag <"+tagName+">");
expectedTagStack.append(" from line "+elRawNameLine[i]);
}
expectedTagStack.append(", parser stopped on");
}
throw new EOFException("no more data available"
+expectedTagStack.toString()+getPositionDescription());
}
}
} else {
throw new IOException("error reading input, returned "+ret);
}
}
protected char more() throws IOException, XmlPullParserException {
if(pos >= bufEnd) {
fillBuf();
// this return value should be ignonored as it is used in epilog parsing ...
if(reachedEnd) return (char)-1;
}
final char ch = buf[pos++];
//line/columnNumber
if(ch == '\n') { ++lineNumber; columnNumber = 1; }
else { ++columnNumber; }
//System.out.print(ch);
return ch;
}
// /**
// * This function returns position of parser in XML input stream
// * (how many characters were processed.
// * NOTE: this logical position and not byte offset as encodings
// * such as UTF8 may use more than one byte to encode one character.
// */
// public int getCurrentInputPosition() {
// return pos + bufAbsoluteStart;
// }
protected void ensurePC(int end) {
//assert end >= pc.length;
final int newSize = end > READ_CHUNK_SIZE ? 2 * end : 2 * READ_CHUNK_SIZE;
final char[] newPC = new char[ newSize ];
if(TRACE_SIZING) System.out.println("TRACE_SIZING ensurePC() "+pc.length+" ==> "+newSize+" end="+end);
System.arraycopy(pc, 0, newPC, 0, pcEnd);
pc = newPC;
//assert end < pc.length;
}
protected void joinPC() {
//assert usePC == false;
//assert posEnd > posStart;
final int len = posEnd - posStart;
final int newEnd = pcEnd + len + 1;
if(newEnd >= pc.length) ensurePC(newEnd); // add 1 for extra space for one char
//assert newEnd < pc.length;
System.arraycopy(buf, posStart, pc, pcEnd, len);
pcEnd += len;
usePC = true;
}
protected char requireInput(char ch, char[] input)
throws XmlPullParserException, IOException
{
for (int i = 0; i < input.length; i++)
{
if(ch != input[i]) {
throw new XmlPullParserException(
"expected "+printable(input[i])+" in "+new String(input)
+" and not "+printable(ch), this, null);
}
ch = more();
}
return ch;
}
protected char requireNextS()
throws XmlPullParserException, IOException
{
final char ch = more();
if(!isS(ch)) {
throw new XmlPullParserException(
"white space is required and not "+printable(ch), this, null);
}
return skipS(ch);
}
protected char skipS(char ch)
throws XmlPullParserException, IOException
{
while(isS(ch)) { ch = more(); } // skip additional spaces
return ch;
}
// nameStart / name lookup tables based on XML 1.1 http://www.w3.org/TR/2001/WD-xml11-20011213/
protected static final int LOOKUP_MAX = 0x400;
protected static final char LOOKUP_MAX_CHAR = (char)LOOKUP_MAX;
// protected static int lookupNameStartChar[] = new int[ LOOKUP_MAX_CHAR / 32 ];
// protected static int lookupNameChar[] = new int[ LOOKUP_MAX_CHAR / 32 ];
protected static boolean lookupNameStartChar[] = new boolean[ LOOKUP_MAX ];
protected static boolean lookupNameChar[] = new boolean[ LOOKUP_MAX ];
private static final void setName(char ch)
//{ lookupNameChar[ (int)ch / 32 ] |= (1 << (ch % 32)); }
{ lookupNameChar[ ch ] = true; }
private static final void setNameStart(char ch)
//{ lookupNameStartChar[ (int)ch / 32 ] |= (1 << (ch % 32)); setName(ch); }
{ lookupNameStartChar[ ch ] = true; setName(ch); }
static {
setNameStart(':');
for (char ch = 'A'; ch <= 'Z'; ++ch) setNameStart(ch);
setNameStart('_');
for (char ch = 'a'; ch <= 'z'; ++ch) setNameStart(ch);
for (char ch = '\u00c0'; ch <= '\u02FF'; ++ch) setNameStart(ch);
for (char ch = '\u0370'; ch <= '\u037d'; ++ch) setNameStart(ch);
for (char ch = '\u037f'; ch < '\u0400'; ++ch) setNameStart(ch);
setName('-');
setName('.');
for (char ch = '0'; ch <= '9'; ++ch) setName(ch);
setName('\u00b7');
for (char ch = '\u0300'; ch <= '\u036f'; ++ch) setName(ch);
}
//private final static boolean isNameStartChar(char ch) {
protected boolean isNameStartChar(char ch) {
return (ch < LOOKUP_MAX_CHAR && lookupNameStartChar[ ch ])
|| (ch >= LOOKUP_MAX_CHAR && ch <= '\u2027')
|| (ch >= '\u202A' && ch <= '\u218F')
|| (ch >= '\u2800' && ch <= '\uFFEF')
;
// if(ch < LOOKUP_MAX_CHAR) return lookupNameStartChar[ ch ];
// else return ch <= '\u2027'
// || (ch >= '\u202A' && ch <= '\u218F')
// || (ch >= '\u2800' && ch <= '\uFFEF')
// ;
//return false;
// return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == ':'
// || (ch >= '0' && ch <= '9');
// if(ch < LOOKUP_MAX_CHAR) return (lookupNameStartChar[ (int)ch / 32 ] & (1 << (ch % 32))) != 0;
// if(ch <= '\u2027') return true;
// //[#x202A-#x218F]
// if(ch < '\u202A') return false;
// if(ch <= '\u218F') return true;
// // added pairts [#x2800-#xD7FF] | [#xE000-#xFDCF] | [#xFDE0-#xFFEF] | [#x10000-#x10FFFF]
// if(ch < '\u2800') return false;
// if(ch <= '\uFFEF') return true;
// return false;
// else return (supportXml11 && ( (ch < '\u2027') || (ch > '\u2029' && ch < '\u2200') ...
}
//private final static boolean isNameChar(char ch) {
protected boolean isNameChar(char ch) {
//return isNameStartChar(ch);
// if(ch < LOOKUP_MAX_CHAR) return (lookupNameChar[ (int)ch / 32 ] & (1 << (ch % 32))) != 0;
return (ch < LOOKUP_MAX_CHAR && lookupNameChar[ ch ])
|| (ch >= LOOKUP_MAX_CHAR && ch <= '\u2027')
|| (ch >= '\u202A' && ch <= '\u218F')
|| (ch >= '\u2800' && ch <= '\uFFEF')
;
//return false;
// return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == ':'
// || (ch >= '0' && ch <= '9');
// if(ch < LOOKUP_MAX_CHAR) return (lookupNameStartChar[ (int)ch / 32 ] & (1 << (ch % 32))) != 0;
//else return
// else if(ch <= '\u2027') return true;
// //[#x202A-#x218F]
// else if(ch < '\u202A') return false;
// else if(ch <= '\u218F') return true;
// // added pairts [#x2800-#xD7FF] | [#xE000-#xFDCF] | [#xFDE0-#xFFEF] | [#x10000-#x10FFFF]
// else if(ch < '\u2800') return false;
// else if(ch <= '\uFFEF') return true;
//else return false;
}
protected boolean isS(char ch) {
return (ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t');
// || (supportXml11 && (ch == '\u0085' || ch == '\u2028');
}
//protected boolean isChar(char ch) { return (ch < '\uD800' || ch > '\uDFFF')
// ch != '\u0000' ch < '\uFFFE'
//protected char printable(char ch) { return ch; }
protected String printable(char ch) {
if(ch == '\n') {
return "\\n";
} else if(ch == '\r') {
return "\\r";
} else if(ch == '\t') {
return "\\t";
} else if(ch == '\'') {
return "\\'";
} if(ch > 127 || ch < 32) {
return "\\u"+Integer.toHexString((int)ch);
}
return ""+ch;
}
protected String printable(String s) {
if(s == null) return null;
final int sLen = s.length();
StringBuffer buf = new StringBuffer(sLen + 10);
for(int i = 0; i < sLen; ++i) {
buf.append(printable(s.charAt(i)));
}
s = buf.toString();
return s;
}
}
/*
* Indiana University Extreme! Lab Software License, Version 1.2
*
* Copyright (C) 2003 The Trustees of Indiana University.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1) All redistributions of source code must retain the above
* copyright notice, the list of authors in the original source
* code, this list of conditions and the disclaimer listed in this
* license;
*
* 2) All redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the disclaimer
* listed in this license in the documentation and/or other
* materials provided with the distribution;
*
* 3) Any documentation included with all redistributions must include
* the following acknowledgement:
*
* "This product includes software developed by the Indiana
* University Extreme! Lab. For further information please visit
* http://www.extreme.indiana.edu/"
*
* Alternatively, this acknowledgment may appear in the software
* itself, and wherever such third-party acknowledgments normally
* appear.
*
* 4) The name "Indiana University" or "Indiana University
* Extreme! Lab" shall not be used to endorse or promote
* products derived from this software without prior written
* permission from Indiana University. For written permission,
* please contact http://www.extreme.indiana.edu/.
*
* 5) Products derived from this software may not use "Indiana
* University" name nor may "Indiana University" appear in their name,
* without prior written permission of the Indiana University.
*
* Indiana University provides no reassurances that the source code
* provided does not infringe the patent or any other intellectual
* property rights of any other entity. Indiana University disclaims any
* liability to any recipient for claims brought by any other entity
* based on infringement of intellectual property rights or otherwise.
*
* LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH
* NO WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA
* UNIVERSITY GIVES NO WARRANTIES AND MAKES NO REPRESENTATION THAT
* SOFTWARE IS FREE OF INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR
* OTHER PROPRIETARY RIGHTS. INDIANA UNIVERSITY MAKES NO WARRANTIES THAT
* SOFTWARE IS FREE FROM "BUGS", "VIRUSES", "TROJAN HORSES", "TRAP
* DOORS", "WORMS", OR OTHER HARMFUL CODE. LICENSEE ASSUMES THE ENTIRE
* RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR ASSOCIATED MATERIALS,
* AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION GENERATED USING
* SOFTWARE.
*/