in src/org/apache/xerces/impl/XML11EntityScanner.java [1028:1215]
public boolean scanData(String delimiter, XMLStringBuffer buffer)
throws IOException {
boolean done = false;
int delimLen = delimiter.length();
char charAt0 = delimiter.charAt(0);
boolean external = fCurrentEntity.isExternal();
do {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
load(0, true);
}
boolean bNextEntity = false;
while ((fCurrentEntity.position >= fCurrentEntity.count - delimLen)
&& (!bNextEntity))
{
System.arraycopy(fCurrentEntity.ch,
fCurrentEntity.position,
fCurrentEntity.ch,
0,
fCurrentEntity.count - fCurrentEntity.position);
bNextEntity = load(fCurrentEntity.count - fCurrentEntity.position, false);
fCurrentEntity.position = 0;
fCurrentEntity.startPosition = 0;
}
if (fCurrentEntity.position >= fCurrentEntity.count - delimLen) {
// something must be wrong with the input: e.g., file ends an unterminated comment
int length = fCurrentEntity.count - fCurrentEntity.position;
buffer.append (fCurrentEntity.ch, fCurrentEntity.position, length);
fCurrentEntity.columnNumber += fCurrentEntity.count;
fCurrentEntity.baseCharOffset += (fCurrentEntity.position - fCurrentEntity.startPosition);
fCurrentEntity.position = fCurrentEntity.count;
fCurrentEntity.startPosition = fCurrentEntity.count;
load(0,true);
return false;
}
// normalize newlines
int offset = fCurrentEntity.position;
int c = fCurrentEntity.ch[offset];
int newlines = 0;
if (c == '\n' || ((c == '\r' || c == 0x85 || c == 0x2028) && external)) {
do {
c = fCurrentEntity.ch[fCurrentEntity.position++];
if ((c == '\r' ) && external) {
newlines++;
fCurrentEntity.lineNumber++;
fCurrentEntity.columnNumber = 1;
if (fCurrentEntity.position == fCurrentEntity.count) {
offset = 0;
fCurrentEntity.baseCharOffset += (fCurrentEntity.position - fCurrentEntity.startPosition);
fCurrentEntity.position = newlines;
fCurrentEntity.startPosition = newlines;
if (load(newlines, false)) {
break;
}
}
int cc = fCurrentEntity.ch[fCurrentEntity.position];
if (cc == '\n' || cc == 0x85) {
fCurrentEntity.position++;
offset++;
}
/*** NEWLINE NORMALIZATION ***/
else {
newlines++;
}
}
else if (c == '\n' || ((c == 0x85 || c == 0x2028) && external)) {
newlines++;
fCurrentEntity.lineNumber++;
fCurrentEntity.columnNumber = 1;
if (fCurrentEntity.position == fCurrentEntity.count) {
offset = 0;
fCurrentEntity.baseCharOffset += (fCurrentEntity.position - fCurrentEntity.startPosition);
fCurrentEntity.position = newlines;
fCurrentEntity.startPosition = newlines;
fCurrentEntity.count = newlines;
if (load(newlines, false)) {
break;
}
}
}
else {
fCurrentEntity.position--;
break;
}
} while (fCurrentEntity.position < fCurrentEntity.count - 1);
for (int i = offset; i < fCurrentEntity.position; i++) {
fCurrentEntity.ch[i] = '\n';
}
int length = fCurrentEntity.position - offset;
if (fCurrentEntity.position == fCurrentEntity.count - 1) {
buffer.append(fCurrentEntity.ch, offset, length);
return true;
}
}
// iterate over buffer looking for delimiter
if (external) {
OUTER: while (fCurrentEntity.position < fCurrentEntity.count) {
c = fCurrentEntity.ch[fCurrentEntity.position++];
if (c == charAt0) {
// looks like we just hit the delimiter
int delimOffset = fCurrentEntity.position - 1;
for (int i = 1; i < delimLen; i++) {
if (fCurrentEntity.position == fCurrentEntity.count) {
fCurrentEntity.position -= i;
break OUTER;
}
c = fCurrentEntity.ch[fCurrentEntity.position++];
if (delimiter.charAt(i) != c) {
fCurrentEntity.position--;
break;
}
}
if (fCurrentEntity.position == delimOffset + delimLen) {
done = true;
break;
}
}
else if (c == '\n' || c == '\r' || c == 0x85 || c == 0x2028) {
fCurrentEntity.position--;
break;
}
// In external entities control characters cannot appear
// as literals so do not skip over them.
else if (!XML11Char.isXML11ValidLiteral(c)) {
fCurrentEntity.position--;
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
buffer.append(fCurrentEntity.ch, offset, length);
return true;
}
}
}
else {
OUTER: while (fCurrentEntity.position < fCurrentEntity.count) {
c = fCurrentEntity.ch[fCurrentEntity.position++];
if (c == charAt0) {
// looks like we just hit the delimiter
int delimOffset = fCurrentEntity.position - 1;
for (int i = 1; i < delimLen; i++) {
if (fCurrentEntity.position == fCurrentEntity.count) {
fCurrentEntity.position -= i;
break OUTER;
}
c = fCurrentEntity.ch[fCurrentEntity.position++];
if (delimiter.charAt(i) != c) {
fCurrentEntity.position--;
break;
}
}
if (fCurrentEntity.position == delimOffset + delimLen) {
done = true;
break;
}
}
else if (c == '\n') {
fCurrentEntity.position--;
break;
}
// Control characters are allowed to appear as literals
// in internal entities.
else if (!XML11Char.isXML11Valid(c)) {
fCurrentEntity.position--;
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
buffer.append(fCurrentEntity.ch, offset, length);
return true;
}
}
}
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
if (done) {
length -= delimLen;
}
buffer.append(fCurrentEntity.ch, offset, length);
// return true if string was skipped
} while (!done);
return !done;
} // scanData(String,XMLString)