apps/diskprobe/DataEditor.cpp

52 		virtual void Apply(off_t offset, uint8 *buffer, size_t size) = 0;
53 		virtual void Revert(off_t offset, uint8 *buffer, size_t size) = 0;
60 		ReplaceChange(off_t offset, const uint8 *data, size_t size);
63 		virtual void Apply(off_t offset, uint8 *buffer, size_t size);
64 		virtual void Revert(off_t offset, uint8 *buffer, size_t size);
70 			off_t &offset, size_t &dataOffset, size_t &size);
193 ReplaceChange::ReplaceChange(off_t offset, const uint8 *data, size_t size)
195 	fOffset = offset;
214 /** Normalizes the supplied offset & size pair to be limited by
215  *	the buffer offset and size.
221 ReplaceChange::Normalize(off_t bufferOffset, size_t bufferSize, off_t &offset,
225 		offset = bufferOffset;
230 	if (offset + size > bufferOffset + bufferSize)
231 		size = bufferOffset + bufferSize - offset;
245 	off_t offset = fOffset;
248 	Normalize(bufferOffset, bufferSize, offset, dataOffset, size);
253 	printf("Apply %p (buffer offset = %lld):\n", this, bufferOffset);
254 	dump_block(buffer + offset - bufferOffset, size, "old:");
259 	memcpy(fOldData + dataOffset, buffer + offset - bufferOffset, size);
260 	memcpy(buffer + offset - bufferOffset, fNewData + dataOffset, size);
274 	off_t offset = fOffset;
277 	Normalize(bufferOffset, bufferSize, offset, dataOffset, size);
282 	printf("Revert %p (buffer offset = %lld):\n", this, bufferOffset);
283 	dump_block(buffer + offset - bufferOffset, size, "old:");
288 	memcpy(buffer + offset - bufferOffset, fOldData + dataOffset, size);
306 		printf("Merge one byte %p (offset = %lld, size = %lu):\n", this, fOffset,
352 	printf("Merge %p (offset = %lld, size = %lu):\n", this, fOffset, fSize);
571 DataEditor::Replace(off_t offset, const uint8 *data, size_t length)
578 	if (offset >= fSize)
580 	if (offset + (off_t)length > fSize)
581 		length = fSize - offset;
589 	ReplaceChange *change = new ReplaceChange(offset, data, length);
597 DataEditor::Remove(off_t offset, off_t length)
612 DataEditor::Insert(off_t offset, const uint8 *text, size_t length)
698 		off_t offset, size;
699 		change->GetRange(FileSize(), offset, size);
700 		offset -= offset % BlockSize();
703 			list.BinaryInsertCopyUnique(offset, CompareOffsets);
704 			offset += BlockSize();
714 		off_t offset = *list.ItemAt(i);
717 		SetViewOffset(offset, false);
852 DataEditor::SetViewOffset(off_t offset, bool sendNotices)
862 	if (offset < 0 || offset > fSize)
865 	offset = (offset / fViewSize) * fViewSize;
866 	if (offset == fViewOffset)
869 	fViewOffset = offset;
875 		update.AddInt64("offset", fViewOffset);
884 DataEditor::SetViewOffset(off_t offset)
886 	return SetViewOffset(offset, true);
916 	// let's correct the view offset if necessary
944 		// this will trigger an update of the real view offset
950 	update.AddInt64("offset", fViewOffset);
1046 		update.AddInt64("offset", fViewOffset);
1160 				size_t offset = i + 1;
1162 				if (offset + size > fRealViewSize)
1163 					size = fRealViewSize - offset;
1165 				if (size == 0 || !compareFunc(fView + offset, data + 1, size)) {
1199 		// we're set to the found data offset
1211 	off_t offset, size;
1212 	change->GetRange(FileSize(), offset, size);
1216 	update.AddInt64("offset", offset);