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| author | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-05-19 11:12:34 +0000 |
|---|---|---|
| committer | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-05-19 11:12:34 +0000 |
| commit | 927add1b301c9f38808f3d35854d3ce896bff095 (patch) | |
| tree | 244dfff95aee5393ec835e5804252ff8cf07866d /plugins/Updater/unzipfile.cpp | |
| parent | e447995b61b645d48ebe837a0ee4fdb28373aa1c (diff) | |
adding SpellChecker plugin
git-svn-id: http://svn.miranda-ng.org/main/trunk@69 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/Updater/unzipfile.cpp')
| -rw-r--r-- | plugins/Updater/unzipfile.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/plugins/Updater/unzipfile.cpp b/plugins/Updater/unzipfile.cpp new file mode 100644 index 0000000000..0ae83d0fc2 --- /dev/null +++ b/plugins/Updater/unzipfile.cpp @@ -0,0 +1,108 @@ +#include "common.h"
+#include "utils.h"
+
+#include <unzip.h>
+
+extern "C" void fill_memory_filefunc64 (zlib_filefunc64_def* pzlib_filefunc_def);
+
+bool extractCurrentFile(unzFile uf, TCHAR *path)
+{
+ 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 save_file[MAX_PATH];
+ TCHAR* p = mir_utf8decodeT(filename);
+ if (p == NULL) p = mir_a2t(filename);
+ mir_sntprintf(save_file, SIZEOF(save_file), _T("%s\\%s"), path, p);
+ mir_free(p);
+
+ for (p = save_file; *p; ++p) if (*p == '/') *p = '\\';
+
+ if (file_info.external_fa & FILE_ATTRIBUTE_DIRECTORY)
+ CreatePath(save_file);
+ else
+ {
+ err = unzOpenCurrentFile(uf);
+ if (err != UNZ_OK) return false;
+
+ p = _tcsrchr(save_file, '\\'); if (p) *p = 0;
+ CreatePath(save_file);
+ if (p) *p = '\\';
+
+ HANDLE hFile = CreateFile(save_file, GENERIC_WRITE, FILE_SHARE_WRITE, 0,
+ CREATE_ALWAYS, file_info.external_fa, 0);
+
+ if (hFile != INVALID_HANDLE_VALUE)
+ {
+ for (;;)
+ {
+ 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_mem(char* buf, int len, TCHAR* dest)
+{
+ zlib_filefunc64_def ffunc;
+ fill_memory_filefunc64(&ffunc);
+
+ char zipfile[128];
+ mir_snprintf(zipfile, sizeof(zipfile), "%p+%x", buf, len);
+
+ unzFile uf = unzOpen2_64(zipfile, &ffunc);
+ if (uf)
+ {
+ do {
+ extractCurrentFile(uf, dest);
+ }
+ while (unzGoToNextFile(uf) == UNZ_OK);
+ unzClose(uf);
+ }
+}
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