/**
* Read the contents of an unparsed text file
*
* @param checker NameChecker for checking whether characters are valid XML characters
* @param reader Reader to be used for reading the file
* @return a CharSequence representing the contents of the file
* @throws IOException if a failure occurs reading the file
* @throws XPathException if the file contains illegal characters
*/
public static CharSequence readFile(NameChecker checker, Reader reader)
throws IOException, XPathException {
FastStringBuffer sb = new FastStringBuffer(FastStringBuffer.LARGE);
char[] buffer = new char[2048];
boolean first = true;
int actual;
int line = 1;
int column = 1;
while (true) {
actual = reader.read(buffer, 0, 2048);
if (actual < 0) {
break;
}
for (int c = 0; c < actual; ) {
int ch32 = buffer[c++];
if (ch32 == '\n') {
line++;
column = 0;
}
column++;
if (UTF16CharacterSet.isHighSurrogate(ch32)) {
if (c == actual) {
actual = reader.read(buffer, 0, 2048);
c = 0;
}
char low = buffer[c++];
ch32 = UTF16CharacterSet.combinePair((char) ch32, low);
}
if (!checker.isValidChar(ch32)) {
XPathException err =
new XPathException(
"The unparsed-text file contains a character that is illegal in XML (line="
+ line
+ " column="
+ column
+ " value=hex "
+ Integer.toHexString(ch32)
+ ')');
err.setErrorCode("XTDE1190");
throw err;
}
}
if (first) {
first = false;
if (buffer[0] == '\ufeff') {
// don't include the BOM in the result
sb.append(buffer, 1, actual - 1);
} else {
sb.append(buffer, 0, actual);
}
} else {
sb.append(buffer, 0, actual);
}
}
reader.close();
return sb.condense();
}
public static void main(String[] args) throws Exception {
FastStringBuffer sb1 = new FastStringBuffer(FastStringBuffer.MEDIUM);
FastStringBuffer sb2 = new FastStringBuffer(FastStringBuffer.MEDIUM);
File file = new File(args[0]);
InputStream is = new FileInputStream(file);
while (true) {
int b = is.read();
if (b < 0) {
System.out.println(sb1.toString());
System.out.println(sb2.toString());
break;
}
sb1.append(Integer.toHexString(b) + " ");
sb2.append((char) b + " ");
if (sb1.length() > 80) {
System.out.println(sb1.toString());
System.out.println(sb2.toString());
sb1 = new FastStringBuffer(FastStringBuffer.MEDIUM);
sb2 = new FastStringBuffer(FastStringBuffer.MEDIUM);
}
}
is.close();
}
private String generateId() {
FastStringBuffer buff = new FastStringBuffer(FastStringBuffer.TINY);
generateId(buff);
return buff.toString();
}
