private void addNamespaceDeclarations() {
String prefix = null;
String localpart = null;
String rawname = null;
String nsPrefix = null;
String nsURI = null;
final Iterator iter = fDeclaredPrefixes.iterator();
while (iter.hasNext()) {
nsPrefix = (String) iter.next();
nsURI = fNamespaceContext.getURI(nsPrefix);
if (nsPrefix.length() > 0) {
prefix = XMLSymbols.PREFIX_XMLNS;
localpart = nsPrefix;
fStringBuffer.clear();
fStringBuffer.append(prefix);
fStringBuffer.append(':');
fStringBuffer.append(localpart);
rawname =
fSymbolTable.addSymbol(fStringBuffer.ch, fStringBuffer.offset, fStringBuffer.length);
} else {
prefix = XMLSymbols.EMPTY_STRING;
localpart = XMLSymbols.PREFIX_XMLNS;
rawname = XMLSymbols.PREFIX_XMLNS;
}
fAttributeQName.setValues(prefix, localpart, rawname, NamespaceContext.XMLNS_URI);
fAttributes.addAttribute(
fAttributeQName,
XMLSymbols.fCDATASymbol,
(nsURI != null) ? nsURI : XMLSymbols.EMPTY_STRING);
}
}
/** Fills in a QName object. */
final void fillQName(QName toFill, String uri, String localpart, String prefix) {
uri = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;
localpart = (localpart != null) ? fSymbolTable.addSymbol(localpart) : XMLSymbols.EMPTY_STRING;
prefix =
(prefix != null && prefix.length() > 0)
? fSymbolTable.addSymbol(prefix)
: XMLSymbols.EMPTY_STRING;
String raw = localpart;
if (prefix != XMLSymbols.EMPTY_STRING) {
fStringBuffer.clear();
fStringBuffer.append(prefix);
fStringBuffer.append(':');
fStringBuffer.append(localpart);
raw = fSymbolTable.addSymbol(fStringBuffer.ch, fStringBuffer.offset, fStringBuffer.length);
}
toFill.setValues(prefix, localpart, raw, uri);
}
public String getURI(String prefix) {
if (fNamespaceContext != null) {
String uri = fNamespaceContext.getNamespaceURI(prefix);
if (uri != null && !XMLConstants.NULL_NS_URI.equals(uri)) {
return (fSymbolTable != null) ? fSymbolTable.addSymbol(uri) : uri.intern();
}
}
return null;
}
public void startPrefixMapping(String prefix, String uri) throws SAXException {
String prefixSymbol;
String uriSymbol;
if (!fStringsInternalized) {
prefixSymbol = (prefix != null) ? fSymbolTable.addSymbol(prefix) : XMLSymbols.EMPTY_STRING;
uriSymbol = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;
} else {
prefixSymbol = (prefix != null) ? prefix : XMLSymbols.EMPTY_STRING;
uriSymbol = (uri != null && uri.length() > 0) ? uri : null;
}
if (fNeedPushNSContext) {
fNeedPushNSContext = false;
fNamespaceContext.pushContext();
}
fNamespaceContext.declarePrefix(prefixSymbol, uriSymbol);
if (fContentHandler != null) {
fContentHandler.startPrefixMapping(prefix, uri);
}
}
public String getPrefix(String uri) {
if (fNamespaceContext != null) {
if (uri == null) {
uri = XMLConstants.NULL_NS_URI;
}
String prefix = fNamespaceContext.getPrefix(uri);
if (prefix == null) {
prefix = XMLConstants.DEFAULT_NS_PREFIX;
}
return (fSymbolTable != null) ? fSymbolTable.addSymbol(prefix) : prefix.intern();
}
return null;
}
/** Fills in a QName object. */
private void fillQName(QName toFill, String uri, String localpart, String raw) {
if (!fStringsInternalized) {
uri = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;
localpart = (localpart != null) ? fSymbolTable.addSymbol(localpart) : XMLSymbols.EMPTY_STRING;
raw = (raw != null) ? fSymbolTable.addSymbol(raw) : XMLSymbols.EMPTY_STRING;
} else {
if (uri != null && uri.length() == 0) {
uri = null;
}
if (localpart == null) {
localpart = XMLSymbols.EMPTY_STRING;
}
if (raw == null) {
raw = XMLSymbols.EMPTY_STRING;
}
}
String prefix = XMLSymbols.EMPTY_STRING;
int prefixIdx = raw.indexOf(':');
if (prefixIdx != -1) {
prefix = fSymbolTable.addSymbol(raw.substring(0, prefixIdx));
}
toFill.setValues(prefix, localpart, raw, uri);
}
/** Scans the XPointer Expression */
private boolean scanExpr(
SymbolTable symbolTable, Tokens tokens, String data, int currentOffset, int endOffset)
throws XNIException {
int ch;
int openParen = 0;
int closeParen = 0;
int nameOffset, dataOffset;
boolean isQName = false;
String name = null;
String prefix = null;
String schemeData = null;
StringBuffer schemeDataBuff = new StringBuffer();
while (true) {
if (currentOffset == endOffset) {
break;
}
ch = data.charAt(currentOffset);
//
while (ch == ' ' || ch == 0x0A || ch == 0x09 || ch == 0x0D) {
if (++currentOffset == endOffset) {
break;
}
ch = data.charAt(currentOffset);
}
if (currentOffset == endOffset) {
break;
}
//
// [1] Pointer ::= Shorthand | SchemeBased
// [2] Shorthand ::= NCName
// [3] SchemeBased ::= PointerPart (S? PointerPart)*
// [4] PointerPart ::= SchemeName '(' SchemeData ')'
// [5] SchemeName ::= QName
// [6] SchemeData ::= EscapedData*
// [7] EscapedData ::= NormalChar | '^(' | '^)' | '^^' | '(' SchemeData ')'
// [8] NormalChar ::= UnicodeChar - [()^]
// [9] UnicodeChar ::= [#x0-#x10FFFF]
// [?] QName ::= (NCName ':')? NCName
// [?] NCName ::= (Letter | '_') (NCNameChar)*
// [?] NCNameChar ::= Letter | Digit | '.' | '-' | '_' (ascii subset of
// 'NCNameChar')
// [?] Letter ::= [A-Za-z] (ascii subset of
// 'Letter')
// [?] Digit ::= [0-9] (ascii subset of
// 'Digit')
//
byte chartype = (ch >= 0x80) ? CHARTYPE_NONASCII : fASCIICharMap[ch];
switch (chartype) {
case CHARTYPE_OPEN_PAREN: // '('
addToken(tokens, Tokens.XPTRTOKEN_OPEN_PAREN);
openParen++;
++currentOffset;
break;
case CHARTYPE_CLOSE_PAREN: // ')'
addToken(tokens, Tokens.XPTRTOKEN_CLOSE_PAREN);
closeParen++;
++currentOffset;
break;
case CHARTYPE_CARRET:
case CHARTYPE_COLON:
case CHARTYPE_DIGIT:
case CHARTYPE_EQUAL:
case CHARTYPE_LETTER:
case CHARTYPE_MINUS:
case CHARTYPE_NONASCII:
case CHARTYPE_OTHER:
case CHARTYPE_PERIOD:
case CHARTYPE_SLASH:
case CHARTYPE_UNDERSCORE:
case CHARTYPE_WHITESPACE:
// Scanning SchemeName | Shorthand
if (openParen == 0) {
nameOffset = currentOffset;
currentOffset = scanNCName(data, endOffset, currentOffset);
if (currentOffset == nameOffset) {
reportError("InvalidShortHandPointer", new Object[] {data});
return false;
}
if (currentOffset < endOffset) {
ch = data.charAt(currentOffset);
} else {
ch = -1;
}
name = symbolTable.addSymbol(data.substring(nameOffset, currentOffset));
prefix = XMLSymbols.EMPTY_STRING;
// The name is a QName => a SchemeName
if (ch == ':') {
if (++currentOffset == endOffset) {
return false;
}
ch = data.charAt(currentOffset);
prefix = name;
nameOffset = currentOffset;
currentOffset = scanNCName(data, endOffset, currentOffset);
if (currentOffset == nameOffset) {
return false;
}
if (currentOffset < endOffset) {
ch = data.charAt(currentOffset);
} else {
ch = -1;
}
isQName = true;
name = symbolTable.addSymbol(data.substring(nameOffset, currentOffset));
}
// REVISIT:
if (currentOffset != endOffset) {
addToken(tokens, Tokens.XPTRTOKEN_SCHEMENAME);
tokens.addToken(prefix);
tokens.addToken(name);
isQName = false;
} else if (currentOffset == endOffset) {
// NCName => Shorthand
addToken(tokens, Tokens.XPTRTOKEN_SHORTHAND);
tokens.addToken(name);
isQName = false;
}
// reset open/close paren for the next pointer part
closeParen = 0;
break;
} else if (openParen > 0 && closeParen == 0 && name != null) {
// Scanning SchemeData
dataOffset = currentOffset;
currentOffset = scanData(data, schemeDataBuff, endOffset, currentOffset);
if (currentOffset == dataOffset) {
reportError("InvalidSchemeDataInXPointer", new Object[] {data});
return false;
}
if (currentOffset < endOffset) {
ch = data.charAt(currentOffset);
} else {
ch = -1;
}
schemeData = symbolTable.addSymbol(schemeDataBuff.toString());
addToken(tokens, Tokens.XPTRTOKEN_SCHEMEDATA);
tokens.addToken(schemeData);
// reset open/close paren for the next pointer part
openParen = 0;
schemeDataBuff.delete(0, schemeDataBuff.length());
} else {
// ex. schemeName()
// Should we throw an exception with a more suitable message instead??
return false;
}
}
} // end while
return true;
}
