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authorMichele Calgaro <michele.calgaro@yahoo.it>2024-06-07 23:30:05 +0900
committerMichele Calgaro <michele.calgaro@yahoo.it>2024-06-07 23:30:05 +0900
commit17b259df9cb6b28779d4881b2b6c805ee2e48eea (patch)
tree5ed61937459cb7081089111b0242c01ec178f1f3 /fbreader/src/formats/pdb/DocDecompressor.cpp
parent1cba8bce178eb2d6719c6f7f21e2c9352c5513a6 (diff)
downloadtde-ebook-reader-17b259df9cb6b28779d4881b2b6c805ee2e48eea.tar.gz
tde-ebook-reader-17b259df9cb6b28779d4881b2b6c805ee2e48eea.zip
Rename to tde-ebook-reader
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'fbreader/src/formats/pdb/DocDecompressor.cpp')
-rw-r--r--fbreader/src/formats/pdb/DocDecompressor.cpp103
1 files changed, 0 insertions, 103 deletions
diff --git a/fbreader/src/formats/pdb/DocDecompressor.cpp b/fbreader/src/formats/pdb/DocDecompressor.cpp
deleted file mode 100644
index 9175bc9..0000000
--- a/fbreader/src/formats/pdb/DocDecompressor.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
- *
- * 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 <cstring>
-
-#include <ZLInputStream.h>
-
-#include "DocDecompressor.h"
-
-static unsigned char TOKEN_CODE[256] = {
- 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-};
-
-std::size_t DocDecompressor::decompress(ZLInputStream &stream, char *targetBuffer, std::size_t compressedSize, std::size_t maxUncompressedSize) {
- const unsigned char *sourceBuffer = new unsigned char[compressedSize];
- const unsigned char *sourceBufferEnd = sourceBuffer + compressedSize;
- const unsigned char *sourcePtr = sourceBuffer;
-
- unsigned char *targetBufferEnd = (unsigned char*)targetBuffer + maxUncompressedSize;
- unsigned char *targetPtr = (unsigned char*)targetBuffer;
-
- if (stream.read((char*)sourceBuffer, compressedSize) == compressedSize) {
- unsigned char token;
- unsigned short copyLength, N, shift;
- unsigned char *shifted;
-
- while ((sourcePtr < sourceBufferEnd) && (targetPtr < targetBufferEnd)) {
- token = *(sourcePtr++);
- switch (TOKEN_CODE[token]) {
- case 0:
- *(targetPtr++) = token;
- break;
- case 1:
- if ((sourcePtr + token > sourceBufferEnd) || (targetPtr + token > targetBufferEnd)) {
- goto endOfLoop;
- }
- std::memcpy(targetPtr, sourcePtr, token);
- sourcePtr += token;
- targetPtr += token;
- break;
- case 2:
- if (targetPtr + 2 > targetBufferEnd) {
- goto endOfLoop;
- }
- *(targetPtr++) = ' ';
- *(targetPtr++) = token ^ 0x80;
- break;
- case 3:
- if (sourcePtr + 1 > sourceBufferEnd) {
- goto endOfLoop;
- }
- N = 256 * token + *(sourcePtr++);
- copyLength = (N & 7) + 3;
- if (targetPtr + copyLength > targetBufferEnd) {
- goto endOfLoop;
- }
- shift = (N & 0x3fff) / 8;
- shifted = targetPtr - shift;
- if ((char*)shifted >= targetBuffer) {
- for (short i = 0; i < copyLength; i++) {
- *(targetPtr++) = *(shifted++);
- }
- }
- break;
- }
- }
- }
-endOfLoop:
-
- delete[] sourceBuffer;
- return targetPtr - (unsigned char*)targetBuffer;
-}