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/*
* Copyright (c) 2017, salesforce.com, inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided
* that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* Neither the name of salesforce.com, inc. nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* 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 1.48 2005/08/11 22:39:54 aslom Exp $
*/
package com.sforce.ws.parser;
import java.io.EOFException;
import java.io.IOException;
import java.io.Reader;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
//import java.util.Hashtable;
//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 resetable and typicaly 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;
// resue 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 int fastHash(char ch[], int off, int len) {
if (len == 0) return 0;
//assert len >0
int hash = ch[off]; // hash at beginnig
//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 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
*/
@Override
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) {
throw new XmlPullParserException(
"interning names in this implementation is not supported");
}
} else if (FEATURE_PROCESS_DOCDECL.equals(name)) {
if (state) {
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("unsupporte feature " + name);
}
}
/**
* Unknown properties are always returned as false
*/
@Override
public boolean getFeature(String name) {
if (name == null) throw new IllegalArgumentException("feature name should not be nulll");
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;
}
@Override
public void setProperty(String name,
Object value)
throws XmlPullParserException {
if (PROPERTY_LOCATION.equals(name)) {
location = (String) value;
} else {
throw new XmlPullParserException("unsupported property: '" + name + "'");
}
}
@Override
public Object getProperty(String name) {
if (name == null) throw new IllegalArgumentException("property name should not be nulll");
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;
}
@Override
public void setInput(Reader in) throws XmlPullParserException {
reset();
reader = in;
}
@Override
public void setInput(java.io.InputStream inputStream, String inputEncoding)
throws XmlPullParserException {
if (inputStream == null) {
throw new IllegalArgumentException("input stream can not be null");
}
Reader reader;
if (inputEncoding != null) {
try {
//if (inputEncoding != null) {
reader = new InputStreamReader(inputStream, inputEncoding);
//} else {
//reader = new InputStreamReader(inputStream);
//}
} 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;
}
@Override
public String getInputEncoding() {
return inputEncoding;
}
@Override
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 wil take advatage 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 ...
}
@Override
public int getNamespaceCount(int depth)
throws XmlPullParserException {
if (!processNamespaces || 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];
}
@Override
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);
}
}
@Override
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);
}
}
@Override
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;
}
@Override
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'.
*/
@Override
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();
}
@Override
public int getLineNumber() {
return lineNumber;
}
@Override
public int getColumnNumber() {
return columnNumber;
}
@Override
public boolean isWhitespace() throws XmlPullParserException {
if (eventType == TEXT || eventType == CDSECT) {
if (usePC) {
for (int i = pcStart; i < pcEnd; i++) {
if (!isS(pc[i])) return false;
}
return true;
} else {
for (int i = posStart; i < posEnd; i++) {
if (!isS(buf[i])) return false;
}
return true;
}
} else if (eventType == IGNORABLE_WHITESPACE) {
return true;
}
throw new XmlPullParserException("no content available to check for whitespaces");
}
@Override
public String getText() {
if (eventType == START_DOCUMENT || eventType == END_DOCUMENT) {
//throw new XmlPullParserException("no content available to read");
// if(roundtripSupported) {
// text = new String(buf, posStart, posEnd - posStart);
// } else {
return null;
// }
} else if (eventType == ENTITY_REF) {
return text;
}
if (text == null) {
if (!usePC || eventType == START_TAG || eventType == END_TAG) {
text = new String(buf, posStart, posEnd - posStart);
} else {
text = new String(pc, pcStart, pcEnd - pcStart);
}
}
return text;
}
@Override
public char[] getTextCharacters(int [] holderForStartAndLength) {
if (eventType == TEXT) {
if (usePC) {
holderForStartAndLength[0] = pcStart;
holderForStartAndLength[1] = pcEnd - pcStart;
return pc;
} else {
holderForStartAndLength[0] = posStart;
holderForStartAndLength[1] = posEnd - posStart;
return buf;
}
} else if (eventType == START_TAG
|| eventType == END_TAG
|| eventType == CDSECT
|| eventType == COMMENT
|| eventType == ENTITY_REF
|| eventType == PROCESSING_INSTRUCTION
|| eventType == IGNORABLE_WHITESPACE
|| eventType == DOCDECL) {
holderForStartAndLength[0] = posStart;
holderForStartAndLength[1] = posEnd - posStart;
return buf;
} else if (eventType == START_DOCUMENT
|| eventType == END_DOCUMENT) {
//throw new XmlPullParserException("no content available to read");
holderForStartAndLength[0] = holderForStartAndLength[1] = -1;
return null;
} else {
throw new IllegalArgumentException("unknown text eventType: " + eventType);
}
// String s = getText();
// char[] cb = null;
// if(s!= null) {
// cb = s.toCharArray();
// holderForStartAndLength[0] = 0;
// holderForStartAndLength[1] = s.length();
// } else {
// }
// return cb;
}
@Override
public String getNamespace() {
if (eventType == START_TAG) {
//return processNamespaces ? elUri[ depth - 1 ] : NO_NAMESPACE;
return processNamespaces ? elUri[depth] : NO_NAMESPACE;
} else if (eventType == END_TAG) {
return processNamespaces ? elUri[depth] : NO_NAMESPACE;
}
return null;
// String prefix = elPrefix[ maxDepth ];
// if(prefix != null) {
// for( int i = namespaceEnd -1; 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 "";
}
@Override
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;
}
}
@Override
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 ];
}
@Override
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;
}
@Override
public int getAttributeCount() {
if (eventType != START_TAG) return -1;
return attributeCount;
}
@Override
public String getAttributeNamespace(int index) {
if (eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if (!processNamespaces) return NO_NAMESPACE;
if (index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.." + (attributeCount - 1) + " and not " + index);
return attributeUri[index];
}
@Override
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];
}
@Override
public String getAttributePrefix(int index) {
if (eventType != START_TAG) throw new IndexOutOfBoundsException(
"only START_TAG can have attributes");
if (!processNamespaces) return null;
if (index < 0 || index >= attributeCount) throw new IndexOutOfBoundsException(
"attribute position must be 0.." + (attributeCount - 1) + " and not " + index);
return attributePrefix[index];
}
@Override
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";
}
@Override
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;
}
@Override
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];
}
@Override
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;
}
@Override
public int getEventType()
throws XmlPullParserException {
return eventType;
}
@Override
public void require(int type, String namespace, String name)
throws XmlPullParserException, IOException {
if (!processNamespaces && namespace != null) {
throw new XmlPullParserException(
"processing namespaces must be enabled on parser (or factory)" +
" to have possible namespaces declared on elements"
+ (" (postion:" + 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() + "'" : "")
+ (" (postion:" + getPositionDescription()) + ")");
}
}
/**
* Skip sub tree that is currently porser positioned on.
*
NOTE: parser must be on START_TAG and when funtion 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;
// }
@Override
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);
}
}
@Override
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;
}
@Override
public int next()
throws XmlPullParserException, IOException {
tokenize = false;
return nextImpl();
}
@Override
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 remeber 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 || !roundtripSupported;
// 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 frop 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 && !roundtripSupported;
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 && !roundtripSupported;
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 Exceptin("unexpected content in epilog
// cach 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 finsh 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;
// work on prefixes and namespace URI
String prefix = null;
if (processNamespaces) {
if (colonPos != -1) {
prefix = elPrefix[depth] = newString(buf, nameStart - bufAbsoluteStart,
colonPos - nameStart);
elName[depth] = newString(buf, colonPos + 1 - bufAbsoluteStart,
//(pos -1) - (colonPos + 1));
pos - 2 - (colonPos - bufAbsoluteStart));
} else {
prefix = elPrefix[depth] = null;
elName[depth] = newString(buf, nameStart - bufAbsoluteStart, elLen);
}
} else {
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 namespaced attribute uniqueness contraint!!!
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 messgae?
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 contraint!!!
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;
// 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;
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 {
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 anem 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 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;
}
}
}
} 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 && piTargetEnd < buf.length) {
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 && !roundtripSupported;
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 charcter 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 {
StringBuilder expectedTagStack = new StringBuilder();
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 ];
private final static boolean lookupNameStartChar[] = new boolean[ LOOKUP_MAX ];
protected final static boolean lookupNameChar[] = new boolean[ LOOKUP_MAX ];
private static void setName(char ch)
//{ lookupNameChar[ (int)ch / 32 ] |= (1 << (ch % 32)); }
{
lookupNameChar[ch] = true;
}
private static 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(ch);
}
return "" + ch;
}
protected String printable(String s) {
if (s == null) return null;
final int sLen = s.length();
StringBuilder buf = new StringBuilder(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.
*/