/**
* Unwrap links
*
* @param context The current stylesheet context.
* @param rtf_ns The result tree fragment of the verbatim environment.
* @return The modified result tree fragment.
*/
public static NodeSetValue unwrapLinks(Context context, NodeSetValue rtf_ns) {
FragmentValue rtf = (FragmentValue) rtf_ns;
boolean tryAgain = true;
setupUnwrapLinks(context);
try {
Controller controller = context.getController();
NamePool namePool = controller.getNamePool();
while (tryAgain) {
UnwrapLinksEmitter ulEmitter = new UnwrapLinksEmitter(controller, namePool, foStylesheet);
rtf.replay(ulEmitter);
tryAgain = ulEmitter.tryAgain();
rtf = (FragmentValue) ulEmitter.getResultTreeFragment();
}
return rtf;
} catch (TransformerException e) {
// This "can't" happen.
System.out.println("Transformer Exception in unwrapLinks");
return rtf;
}
}
/**
* Insert the text of the file into the result tree
*
* <p>Processing this element inserts the contents of the URL named by the href attribute into the
* result tree as plain text.
*/
public void process(Context context) throws TransformerException {
Outputter out = context.getOutputter();
String hrefAtt = getAttribute("href");
Expression hrefExpr = makeAttributeValueTemplate(hrefAtt);
String href = hrefExpr.evaluateAsString(context);
URL fileURL = null;
try {
try {
fileURL = new URL(href);
} catch (MalformedURLException e1) {
try {
fileURL = new URL("file:" + href);
} catch (MalformedURLException e2) {
System.out.println("Cannot open " + href);
return;
}
}
InputStreamReader isr = new InputStreamReader(fileURL.openStream());
BufferedReader is = new BufferedReader(isr);
char chars[] = new char[4096];
int len = 0;
while ((len = is.read(chars)) > 0) {
out.writeContent(chars, 0, len);
}
is.close();
} catch (Exception e) {
System.out.println("Cannot read " + href);
}
}
public String evaluateAsString(Context context) throws XPathException {
/* 43*/ if (getNumberOfArguments() == 1) {
/* 44*/ NodeEnumeration nodeenumeration = super.argument[0].enumerate(context, true);
/* 45*/ if (nodeenumeration.hasMoreElements())
/* 46*/ return nodeenumeration.nextElement().getLocalName();
/* 48*/ else /* 48*/ return "";
} else {
/* 51*/ return context.getContextNodeInfo().getLocalName();
}
}
/**
* Insert the text of the file into the result tree
*
* <p>Processing this element inserts the contents of the URL named by the href attribute into the
* result tree as plain text.
*
* <p>Optional encoding attribute can specify encoding of resource. If not specified default
* system encoding is used.
*/
public void process(Context context) throws TransformerException {
Outputter out = context.getOutputter();
String hrefAtt = getAttribute("href");
Expression hrefExpr = makeAttributeValueTemplate(hrefAtt);
String href = hrefExpr.evaluateAsString(context);
String encodingAtt = getAttribute("encoding");
Expression encodingExpr = makeAttributeValueTemplate(encodingAtt);
String encoding = encodingExpr.evaluateAsString(context);
String baseURI = context.getContextNodeInfo().getBaseURI();
URIResolver resolver = context.getController().getURIResolver();
if (resolver != null) {
Source source = resolver.resolve(href, baseURI);
href = source.getSystemId();
}
URL baseURL = null;
URL fileURL = null;
try {
baseURL = new URL(baseURI);
} catch (MalformedURLException e0) {
// what the!?
baseURL = null;
}
try {
try {
fileURL = new URL(baseURL, href);
} catch (MalformedURLException e1) {
try {
fileURL = new URL(baseURL, "file:" + href);
} catch (MalformedURLException e2) {
System.out.println("Cannot open " + href);
return;
}
}
InputStreamReader isr = null;
if (encoding.equals("") == true) isr = new InputStreamReader(fileURL.openStream());
else isr = new InputStreamReader(fileURL.openStream(), encoding);
BufferedReader is = new BufferedReader(isr);
final int BUFFER_SIZE = 4096;
char chars[] = new char[BUFFER_SIZE];
char nchars[] = new char[BUFFER_SIZE];
int len = 0;
int i = 0;
int carry = -1;
while ((len = is.read(chars)) > 0) {
// various new lines are normalized to LF to prevent blank lines
// between lines
int nlen = 0;
for (i = 0; i < len; i++) {
// is current char CR?
if (chars[i] == '\r') {
if (i < (len - 1)) {
// skip it if next char is LF
if (chars[i + 1] == '\n') continue;
// single CR -> LF to normalize MAC line endings
nchars[nlen] = '\n';
nlen++;
continue;
} else {
// if CR is last char of buffer we must look ahead
carry = is.read();
nchars[nlen] = '\n';
nlen++;
if (carry == '\n') {
carry = -1;
}
break;
}
}
nchars[nlen] = chars[i];
nlen++;
}
out.writeContent(nchars, 0, nlen);
// handle look aheaded character
if (carry != -1) out.writeContent(String.valueOf((char) carry));
carry = -1;
}
is.close();
} catch (Exception e) {
System.out.println("Cannot read " + href);
}
}