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Diffstat (limited to 'fbreader/src/formats/chm/E8Decoder.cpp')
-rw-r--r--fbreader/src/formats/chm/E8Decoder.cpp61
1 files changed, 0 insertions, 61 deletions
diff --git a/fbreader/src/formats/chm/E8Decoder.cpp b/fbreader/src/formats/chm/E8Decoder.cpp
deleted file mode 100644
index 53b9335..0000000
--- a/fbreader/src/formats/chm/E8Decoder.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2004-2012 Geometer Plus <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include "LZXDecompressor.h"
-
-void LZXDecompressor::E8Decoder::reset(unsigned int fileSize) {
- myFileSize = fileSize;
- myFramesCounter = 0;
- myPosition = 0;
-}
-
-void LZXDecompressor::E8Decoder::decode(unsigned char *buffer, const std::size_t size) {
- if (myFramesCounter >= 32768) {
- return;
- }
- ++myFramesCounter;
- if (myFileSize == 0) {
- return;
- }
-
- myPosition += size;
-
- if (size <= 10) {
- return;
- }
-
- const unsigned char *end = buffer + size - 10;
-
- for (unsigned char *ptr = buffer; ptr < end; ) {
- if (*ptr == 0xE8) {
- int absoluteOffset =
- ptr[1] + (ptr[2] << 8) + (ptr[3] << 16) + (ptr[4] << 24);
- int relativeOffset =
- (absoluteOffset >= 0) ?
- absoluteOffset - (ptr - buffer) : absoluteOffset + myFileSize;
- ptr[1] = (unsigned char)relativeOffset;
- ptr[2] = (unsigned char)(relativeOffset >> 8);
- ptr[3] = (unsigned char)(relativeOffset >> 16);
- ptr[4] = (unsigned char)(relativeOffset >> 24);
- ptr += 5;
- } else {
- ++ptr;
- }
- }
-}