From b971553a47137a78d044ad05e10764945de63620 Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Wed, 1 Aug 2012 20:42:19 +0000
Subject: folders renamed according to rules

git-svn-id: http://svn.miranda-ng.org/main/trunk@1316 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/PackUpdater/src/unzipfile.cpp | 126 ++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 plugins/PackUpdater/src/unzipfile.cpp

(limited to 'plugins/PackUpdater/src/unzipfile.cpp')

diff --git a/plugins/PackUpdater/src/unzipfile.cpp b/plugins/PackUpdater/src/unzipfile.cpp
new file mode 100644
index 0000000000..2cbfdca5d7
--- /dev/null
+++ b/plugins/PackUpdater/src/unzipfile.cpp
@@ -0,0 +1,126 @@
+/* 
+Copyright (C) 2012 George Hazan
+
+This is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this file; see the file license.txt. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.
+*/
+
+#include "common.h"
+
+extern "C"
+{
+	#include "Minizip\unzip.h"
+
+	void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def);
+}
+
+bool extractCurrentFile(unzFile uf, TCHAR* ptszDestPath, TCHAR* ptszBackPath)
+{
+	int err = UNZ_OK;
+	unz_file_info64 file_info;
+	char filename[MAX_PATH];
+	char buf[8192];
+
+	err = unzGetCurrentFileInfo64(uf, &file_info, filename, sizeof(filename), buf, sizeof(buf), NULL, 0);
+	if (err != UNZ_OK)
+		return false;
+
+	// Get Unicode file name for InfoZip style archives, otherwise assume PKZip/WinZip style
+	if (file_info.size_file_extra)
+	{
+		char *p = buf; 
+		unsigned long size = min(file_info.size_file_extra, sizeof(buf));
+		while (size > 0)
+		{
+			unsigned short id =  *(unsigned short*)p;
+			unsigned len =  *(unsigned short*)(p + 2);
+
+			if (size < (len + 4)) break;
+
+			if (id == 0x7075 && len > 5 && (len - 5) < sizeof(filename) && *(p + 4) == 1)
+			{
+				memcpy(filename, p + 9, len - 5);
+				filename[len - 5] = 0;
+				break;
+			}
+			size -= len + 4;
+			p += len + 4;
+		}
+	}
+
+	TCHAR tszDestFile[MAX_PATH], tszBackFile[MAX_PATH];
+	TCHAR* p = mir_utf8decodeT(filename);
+	if (p == NULL)
+		p = mir_a2t(filename);
+	mir_sntprintf(tszDestFile, SIZEOF(tszDestFile), _T("%s\\%s"), ptszDestPath, p);
+	mir_sntprintf(tszBackFile, SIZEOF(tszBackFile), _T("%s\\%s"), ptszBackPath, p);
+	mir_free(p);
+
+	for (p = tszDestFile; *p; ++p) if (*p == '/') *p = '\\'; 
+	for (p = tszBackFile; *p; ++p) if (*p == '/') *p = '\\'; 
+
+	CreatePathToFileT(tszDestFile);
+	CreatePathToFileT(tszBackFile);
+
+	if ( !(file_info.external_fa & FILE_ATTRIBUTE_DIRECTORY)) {
+		err = unzOpenCurrentFile(uf);
+		if (err != UNZ_OK)
+			return false;
+
+		MoveFile(tszDestFile, tszBackFile);
+
+		HANDLE hFile = CreateFile(tszDestFile, GENERIC_WRITE, FILE_SHARE_WRITE, 0, 
+			CREATE_ALWAYS, file_info.external_fa, 0);
+
+		if (hFile != INVALID_HANDLE_VALUE) {
+			while (true) {
+				err = unzReadCurrentFile(uf, buf, sizeof(buf));
+				if (err <= 0)
+					break;
+
+				DWORD bytes;
+				if (!WriteFile(hFile, buf, err, &bytes, FALSE)) {
+					err = UNZ_ERRNO;
+					break;
+				}
+			}
+
+			FILETIME ftLocal, ftCreate, ftLastAcc, ftLastWrite;
+			GetFileTime(hFile, &ftCreate, &ftLastAcc, &ftLastWrite);
+			DosDateTimeToFileTime(HIWORD(file_info.dosDate), LOWORD(file_info.dosDate), &ftLocal);
+			LocalFileTimeToFileTime(&ftLocal, &ftLastWrite);
+			SetFileTime(hFile, &ftCreate, &ftLastAcc, &ftLastWrite);
+
+			CloseHandle(hFile);
+			unzCloseCurrentFile(uf); /* don't lose the error */
+		}
+	}
+	return true;
+}
+
+void unzip(const TCHAR* ptszZipFile, TCHAR* ptszDestPath, TCHAR* ptszBackPath)
+{
+	zlib_filefunc64_def ffunc;
+	fill_fopen64_filefunc(&ffunc);
+
+	unzFile uf = unzOpen2_64(ptszZipFile, &ffunc);
+	if (uf) {
+		do {
+			extractCurrentFile(uf, ptszDestPath, ptszBackPath);
+		}
+			while (unzGoToNextFile(uf) == UNZ_OK);
+		unzClose(uf);
+	}
+}
-- 
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