private void safeBeginParagraph() {
if (!myParagraphStarted) {
myParagraphStarted = true;
myBufferIsEmpty = true;
beginParagraph(ZLTextParagraph.Kind.TEXT_PARAGRAPH);
if (!myParagraphStored) {
// final ArrayList models = Model.getBookTextModels();
// myParagraphVector.add(new Pair(((ZLTextPlainModel)
// models.get(models.size()-1)/*BookTextModel*/).getParagraphsNumber() - 1, models.size() -
// 1));
myParagraphStored = true;
}
for (Iterator it = myDelayedControls.iterator(); it.hasNext(); ) {
Pair pit = (Pair) it.next();
addControl((Byte) pit.myFirst, (Boolean) pit.mySecond);
}
// if (myForcedEntry != null) {
// addControl(myForcedEntry);
// } else {
addControl(FBTextKind.REGULAR, true);
// }
for (Iterator it = myDelayedHyperlinks.iterator(); it.hasNext(); ) {
addHyperlinkControl(FBTextKind.INTERNAL_HYPERLINK, (String) it.next());
}
myDelayedHyperlinks.clear();
}
}
private void safeAddHyperlinkControl(String id) {
if (myParagraphStarted) {
addHyperlinkControl(FBTextKind.INTERNAL_HYPERLINK, id);
} else {
myDelayedHyperlinks.add(id);
}
}
private void safeAddControl(byte kind, boolean start) {
if (myParagraphStarted) {
addControl((Byte) kind, (Boolean) start);
} else {
myDelayedControls.add(new Pair(kind, start));
}
}
private void processTextRecord(int size, ArrayList /*<Integer>*/ pars) {
int start = 0;
int end = 0;
for (Iterator it = pars.iterator(); it.hasNext(); ) {
start = end;
end = start + (Integer) it.next();
if (end > size) {
return;
}
myParagraphStored = false;
processTextParagraph(myCharBuffer, start, end);
if (!myParagraphStored) {
myParagraphVector.add(new Pair(-1, -1));
}
}
}
private void processTextParagraph(char[] data, int start, int end) {
changeFont(FontType.FT_REGULAR);
while (popKind()) {}
myParagraphStarted = false;
myBytesToSkip = 0;
int textStart = start;
boolean functionFlag = false;
for (int ptr = start; ptr < end; ++ptr) {
if (data[ptr] == 0) {
functionFlag = true;
if (ptr > textStart) {
safeBeginParagraph();
// myConvertedTextBuffer = "";//.erase();
myConvertedTextBuffer = ""; // myConverter.convert(data, textStart, ptr);
addData(myConvertedTextBuffer.toCharArray());
myBufferIsEmpty = false;
}
} else if (functionFlag) {
int paramCounter = (data[ptr]) % 8;
if (end - ptr > paramCounter) {
processTextFunction(data, ptr);
ptr += paramCounter;
} else {
ptr = end - 1;
}
functionFlag = false;
if (myBytesToSkip > 0) {
ptr += myBytesToSkip;
myBytesToSkip = 0;
}
textStart = ptr + 1;
} else {
if (data[ptr] == 0xA0) {
data[ptr] = 0x20;
}
if (!myParagraphStarted && (textStart == ptr) && (data[ptr] == ' ')) {
++textStart;
}
}
}
if (end > textStart) {
safeBeginParagraph();
// myConvertedTextBuffer = "";//erase();
myConvertedTextBuffer = ""; // myConverter.convert(data, textStart, end);
addData(myConvertedTextBuffer.toCharArray());
myBufferIsEmpty = false;
}
safeEndParagraph();
// if (myForcedEntry != null) {
// myForcedEntry = null;
// }
myDelayedControls.clear();
}
public boolean readDocument() {
try {
myStream = new ZLInputStreamWithOffset(myFile.getInputStream());
PdbHeader header = new PdbHeader(myStream);
setMainTextModel();
myFont = FontType.FT_REGULAR;
for (int index = 0; index < header.Offsets.length; ++index) {
int currentOffset = myStream.offset();
int pit = header.Offsets[index];
if (currentOffset > pit) {
break;
}
// myStream.seek(pit - currentOffset, false);
myStream.skip(pit - currentOffset);
if (myStream.offset() != pit) {
break;
}
int recordSize =
((index != header.Offsets.length - 1) ? header.Offsets[index + 1] : myFileSize) - pit;
readRecord(recordSize);
}
myStream.close();
} catch (IOException e) {
return false;
}
for (Iterator it = myReferencedParagraphs.iterator(); it.hasNext(); ) {
Pair pair = (Pair) it.next();
int first = (Integer) pair.myFirst;
int second = (Integer) pair.mySecond;
ArrayList /*<Integer>*/ list = (ArrayList) myParagraphMap.get(first);
if (list != null) {
for (int k = second; k < list.size(); ++k) {
if (((Integer) ((Pair) list.get(k)).myFirst) != -1) {
// addHyperlinkLabel(fromNumber(first) + '#' + fromNumber(second),
// (Integer)list.get(k));
final Pair p = (Pair) list.get(k);
// addHyperlinkLabel(fromNumber(first) + '#' + fromNumber(second), (Integer) p.mySecond,
// (Integer) p.myFirst);
break;
}
}
}
}
myReferencedParagraphs.clear();
myParagraphMap.clear();
return true;
}
private void processTextFunction(char[] ptr, int cur) {
switch (ptr[cur]) {
case 0x08:
safeAddControl(FBTextKind.INTERNAL_HYPERLINK, false);
break;
case 0x0A:
safeAddHyperlinkControl(fromNumber(twoBytes(ptr, cur + 1)));
break;
case 0x0C:
{
int sectionNum = twoBytes(ptr, cur + 1);
int paragraphNum = twoBytes(ptr, cur + 3);
safeAddHyperlinkControl(fromNumber(sectionNum) + '#' + fromNumber(paragraphNum));
myReferencedParagraphs.add(new Pair(sectionNum, paragraphNum));
break;
}
case 0x11:
changeFont((ptr[cur + 1]));
break;
case 0x1A:
safeBeginParagraph();
// System.out.println("image ref");
addImageReference(fromNumber(twoBytes(ptr, cur + 1)), (short) 0);
break;
case 0x22:
if (!myParagraphStarted) {
// if (myForcedEntry == null) {
// myForcedEntry = new ZLTextForcedControlEntry();
// }
// myForcedEntry.setLeftIndent((short)ptr[cur + 1]);
// myForcedEntry.setRightIndent((short)ptr[cur + 2]);
}
break;
case 0x29:
if (!myParagraphStarted) {
// if (myForcedEntry == null) {
// myForcedEntry = new ZLTextForcedControlEntry();
// }
// switch (ptr[cur + 1]) {
// case 0: myForcedEntry.setAlignmentType(ZLTextAlignmentType.ALIGN_LEFT); break;
// case 1: myForcedEntry.setAlignmentType(ZLTextAlignmentType.ALIGN_RIGHT); break;
// case 2: myForcedEntry.setAlignmentType(ZLTextAlignmentType.ALIGN_CENTER); break;
// case 3: myForcedEntry.setAlignmentType(ZLTextAlignmentType.ALIGN_JUSTIFY); break;
// }
}
break;
case 0x33: // just break line instead of horizontal rule (TODO: draw horizontal rule?)
safeEndParagraph();
break;
case 0x38:
safeEndParagraph();
break;
case 0x40:
safeAddControl(FBTextKind.EMPHASIS, true);
break;
case 0x48:
safeAddControl(FBTextKind.EMPHASIS, false);
break;
case 0x53: // color setting is ignored
break;
case 0x5C:
// System.out.println("image ref");
addImageReference(fromNumber(twoBytes(ptr, cur + 3)), (short) 0);
break;
case 0x60: // underlined text is ignored
break;
case 0x68: // underlined text is ignored
break;
case 0x70: // strike-through text is ignored
break;
case 0x78: // strike-through text is ignored
break;
case 0x83:
{
safeBeginParagraph();
addData(new char[] {(char) twoBytes(ptr, cur + 2)});
myBufferIsEmpty = false;
myBytesToSkip = ptr[cur + 1];
break;
}
case 0x85: // TODO: process 4-byte unicode character
break;
case 0x8E: // custom font operations are ignored
case 0x8C:
case 0x8A:
case 0x88:
break;
case 0x90: // TODO: add table processing
case 0x92: // TODO: process table
case 0x97: // TODO: process table
break;
default: // this should be impossible
// std::cerr << "Oops... function #" << (int)(unsigned char)*ptr << "\n";
break;
}
}
private void readRecord(int recordSize) throws IOException {
int uid = PdbUtil.readShort(myStream);
if (uid == 1) {
myCompressionVersion = (short) PdbUtil.readShort(myStream);
} else {
int paragraphs = PdbUtil.readShort(myStream);
int size = PdbUtil.readShort(myStream);
// TODO ??????
int type = myStream.read();
int flags = myStream.read();
switch (type) {
case 0: // text (TODO: found sample file and test this code)
case 1: // compressed text
{
ArrayList /*<Integer>*/ pars = new ArrayList();
for (int i = 0; i < paragraphs; ++i) {
int pSize = PdbUtil.readShort(myStream);
pars.add(pSize);
myStream.skip(2);
}
boolean doProcess = false;
if (type == 0) { // ?
byte[] buf = new byte[size];
doProcess = myStream.read(buf, 0, (int) size) == size;
if (doProcess) {
// TODO: use encoding!!!!
// TODO: don't create any new objects!!!!
myCharBuffer = new String(buf).toCharArray();
}
} else if (myCompressionVersion == 1) {
byte[] buf = new byte[size];
doProcess =
DocDecompressor.decompress(myStream, buf, recordSize - 8 - 4 * paragraphs)
== size;
if (doProcess) {
myCharBuffer = new String(buf).toCharArray();
}
} else if (myCompressionVersion == 2) {
byte input[] = new byte[(int) (recordSize - 10 - 4 * paragraphs)];
final int inputSize = myStream.read(input);
Inflater decompressor = new Inflater();
decompressor.setInput(input, 0, inputSize);
byte output[] = new byte[size];
try {
doProcess = decompressor.inflate(output) == size;
decompressor.end();
myCharBuffer = new String(output, 0, size).toCharArray();
} catch (DataFormatException e) {
// TODO Auto-generated catch block
// e.printStackTrace();
System.out.println(e.getMessage());
}
// doProcess =
// ZLZDecompressor(recordSize - 10 - 4 * paragraphs).
// decompress(myStream, myCharBuffer, size) == size;
}
if (doProcess) {
addHyperlinkLabel(fromNumber(uid));
myParagraphMap.put(uid, new ArrayList());
myParagraphVector = (ArrayList) myParagraphMap.get(uid);
processTextRecord(size, pars);
if ((flags & 0x1) == 0) {
// insertEndOfTextParagraph();
// setNewTextModel();
}
}
break;
}
case 2: // image
case 3: // compressed image
{
final String mime = "image/palm";
ZLImage image = null;
if (type == 2) {
System.out.println("non-compressed image");
image = new PluckerFileImage(mime, myFile, myStream.offset(), recordSize - 8);
} else if (myCompressionVersion == 1) {
System.out.println("DocCompressedImage");
image = new DocCompressedFileImage(mime, myFile, myStream.offset(), recordSize - 8);
} else if (myCompressionVersion == 2) {
System.out.println("ZCompressedImage");
image =
new ZCompressedFileImage(mime, myFile, myStream.offset() + 2, recordSize - 10);
}
if (image != null) {
addImage(fromNumber(uid), image);
}
break;
}
case 9: // category record is ignored
break;
case 10:
short typeCode = (short) PdbUtil.readShort(myStream);
break;
case 11: // style sheet record is ignored
break;
case 12: // font page record is ignored
break;
case 13: // TODO: process tables
case 14: // TODO: process tables
break;
case 15: // multiimage
{
short columns = (short) PdbUtil.readShort(myStream);
short rows = (short) PdbUtil.readShort(myStream);
System.out.println("multiimage");
/*PluckerMultiImage image = new PluckerMultiImage(rows, columns, Model.getImageMap());
for (int i = 0; i < size / 2 - 2; ++i) {
short us = (short)myStream.read();
PdbUtil.readShort(myStream, us);
image.addId(fromNumber(us));
}
addImage(fromNumber(uid), image);
*/ break;
}
default:
// std::cerr << "type = " << (int)type << "\n";
break;
}
}
}