mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-06 19:14:56 -06:00
9.06 beta
This commit is contained in:
Igor Pavlov
committed by
Kornel Lesiński
Kornel Lesiński
parent
829409452d
commit
c99f3ebdd6
464
C/Util/7z/7zMain.c
Executable file
464
C/Util/7z/7zMain.c
Executable file
@@ -0,0 +1,464 @@
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/* 7zMain.c - Test application for 7z Decoder
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2009-08-17 : Igor Pavlov : Public domain */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "../../7z.h"
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#include "../../7zCrc.h"
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#include "../../7zFile.h"
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#include "../../7zVersion.h"
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#include "7zAlloc.h"
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#ifndef USE_WINDOWS_FILE
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/* for mkdir */
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#ifdef _WIN32
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#include <direct.h>
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#else
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#include <sys/stat.h>
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#include <errno.h>
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#endif
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#endif
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#ifdef _WIN32
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#define CHAR_PATH_SEPARATOR '\\'
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#else
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#define CHAR_PATH_SEPARATOR '/'
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#endif
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static ISzAlloc g_Alloc = { SzAlloc, SzFree };
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static int Buf_EnsureSize(CBuf *dest, size_t size)
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{
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if (dest->size >= size)
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return 1;
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Buf_Free(dest, &g_Alloc);
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return Buf_Create(dest, size, &g_Alloc);
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}
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#ifndef _WIN32
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static Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
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static Bool Utf16_To_Utf8(Byte *dest, size_t *destLen, const UInt16 *src, size_t srcLen)
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{
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size_t destPos = 0, srcPos = 0;
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for (;;)
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{
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unsigned numAdds;
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UInt32 value;
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if (srcPos == srcLen)
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{
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*destLen = destPos;
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return True;
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}
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value = src[srcPos++];
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if (value < 0x80)
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{
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if (dest)
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dest[destPos] = (char)value;
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destPos++;
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continue;
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}
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if (value >= 0xD800 && value < 0xE000)
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{
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UInt32 c2;
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if (value >= 0xDC00 || srcPos == srcLen)
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break;
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c2 = src[srcPos++];
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if (c2 < 0xDC00 || c2 >= 0xE000)
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break;
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value = ((value - 0xD800) << 10) | (c2 - 0xDC00);
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}
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for (numAdds = 1; numAdds < 5; numAdds++)
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if (value < (((UInt32)1) << (numAdds * 5 + 6)))
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break;
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if (dest)
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dest[destPos] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds)));
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destPos++;
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do
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{
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numAdds--;
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if (dest)
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dest[destPos] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F));
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destPos++;
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}
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while (numAdds != 0);
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}
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*destLen = destPos;
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return False;
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}
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static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen)
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{
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size_t destLen = 0;
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Bool res;
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Utf16_To_Utf8(NULL, &destLen, src, srcLen);
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destLen += 1;
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if (!Buf_EnsureSize(dest, destLen))
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return SZ_ERROR_MEM;
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res = Utf16_To_Utf8(dest->data, &destLen, src, srcLen);
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dest->data[destLen] = 0;
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return res ? SZ_OK : SZ_ERROR_FAIL;
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}
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#endif
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static WRes Utf16_To_Char(CBuf *buf, const UInt16 *s, int fileMode)
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{
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int len = 0;
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for (len = 0; s[len] != '\0'; len++);
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#ifdef _WIN32
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{
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int size = len * 3 + 100;
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if (!Buf_EnsureSize(buf, size))
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return SZ_ERROR_MEM;
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{
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char defaultChar = '_';
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BOOL defUsed;
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int numChars = WideCharToMultiByte(fileMode ? (AreFileApisANSI() ? CP_ACP : CP_OEMCP) : CP_OEMCP,
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0, s, len, (char *)buf->data, size, &defaultChar, &defUsed);
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if (numChars == 0 || numChars >= size)
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return SZ_ERROR_FAIL;
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buf->data[numChars] = 0;
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return SZ_OK;
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}
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}
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#else
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fileMode = fileMode;
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return Utf16_To_Utf8Buf(buf, s, len);
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#endif
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}
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static WRes MyCreateDir(const UInt16 *name)
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{
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#ifdef USE_WINDOWS_FILE
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return CreateDirectoryW(name, NULL) ? 0 : GetLastError();
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#else
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CBuf buf;
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WRes res;
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Buf_Init(&buf);
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RINOK(Utf16_To_Char(&buf, name, 1));
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res =
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#ifdef _WIN32
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_mkdir((const char *)buf.data)
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#else
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mkdir((const char *)buf.data, 0777)
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#endif
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== 0 ? 0 : errno;
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Buf_Free(&buf, &g_Alloc);
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return res;
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#endif
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}
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static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name)
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{
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#ifdef USE_WINDOWS_FILE
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return OutFile_OpenW(p, name);
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#else
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CBuf buf;
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WRes res;
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Buf_Init(&buf);
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RINOK(Utf16_To_Char(&buf, name, 1));
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res = OutFile_Open(p, (const char *)buf.data);
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Buf_Free(&buf, &g_Alloc);
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return res;
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#endif
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}
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static void PrintString(const UInt16 *s)
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{
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CBuf buf;
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Buf_Init(&buf);
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if (Utf16_To_Char(&buf, s, 0) == 0)
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{
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printf("%s", buf.data);
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Buf_Free(&buf, &g_Alloc);
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}
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}
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static void ConvertNumberToString(UInt64 value, char *s)
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{
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char temp[32];
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int pos = 0;
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do
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{
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temp[pos++] = (char)('0' + (int)(value % 10));
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value /= 10;
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}
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while (value != 0);
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do
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*s++ = temp[--pos];
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while (pos > 0);
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*s = '\0';
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}
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#define PERIOD_4 (4 * 365 + 1)
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#define PERIOD_100 (PERIOD_4 * 25 - 1)
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#define PERIOD_400 (PERIOD_100 * 4 + 1)
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static void ConvertFileTimeToString(const CNtfsFileTime *ft, char *s)
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{
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unsigned year, mon, day, hour, min, sec;
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UInt64 v64 = ft->Low | ((UInt64)ft->High << 32);
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Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
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unsigned temp;
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UInt32 v;
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v64 /= 10000000;
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sec = (unsigned)(v64 % 60);
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v64 /= 60;
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min = (unsigned)(v64 % 60);
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v64 /= 60;
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hour = (unsigned)(v64 % 24);
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v64 /= 24;
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v = (UInt32)v64;
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year = (unsigned)(1601 + v / PERIOD_400 * 400);
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v %= PERIOD_400;
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temp = (unsigned)(v / PERIOD_100);
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if (temp == 4)
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temp = 3;
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year += temp * 100;
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v -= temp * PERIOD_100;
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temp = v / PERIOD_4;
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if (temp == 25)
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temp = 24;
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year += temp * 4;
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v -= temp * PERIOD_4;
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temp = v / 365;
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if (temp == 4)
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temp = 3;
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year += temp;
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v -= temp * 365;
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if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
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ms[1] = 29;
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for (mon = 1; mon <= 12; mon++)
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{
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unsigned s = ms[mon - 1];
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if (v < s)
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break;
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v -= s;
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}
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day = (unsigned)v + 1;
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sprintf(s, "%04d-%02d-%02d %02d:%02d:%02d", year, mon, day, hour, min, sec);
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}
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void PrintError(char *sz)
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{
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printf("\nERROR: %s\n", sz);
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}
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int MY_CDECL main(int numargs, char *args[])
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{
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CFileInStream archiveStream;
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CLookToRead lookStream;
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CSzArEx db;
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SRes res;
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ISzAlloc allocImp;
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ISzAlloc allocTempImp;
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UInt16 *temp = NULL;
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size_t tempSize = 0;
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printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n");
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if (numargs == 1)
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{
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printf(
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"Usage: 7zDec <command> <archive_name>\n\n"
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"<Commands>\n"
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" e: Extract files from archive (without using directory names)\n"
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" l: List contents of archive\n"
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" t: Test integrity of archive\n"
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" x: eXtract files with full paths\n");
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return 0;
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}
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if (numargs < 3)
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{
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PrintError("incorrect command");
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return 1;
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}
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allocImp.Alloc = SzAlloc;
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allocImp.Free = SzFree;
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allocTempImp.Alloc = SzAllocTemp;
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allocTempImp.Free = SzFreeTemp;
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if (InFile_Open(&archiveStream.file, args[2]))
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{
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PrintError("can not open input file");
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return 1;
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}
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FileInStream_CreateVTable(&archiveStream);
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LookToRead_CreateVTable(&lookStream, False);
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lookStream.realStream = &archiveStream.s;
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LookToRead_Init(&lookStream);
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CrcGenerateTable();
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SzArEx_Init(&db);
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res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
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if (res == SZ_OK)
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{
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char *command = args[1];
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int listCommand = 0, testCommand = 0, extractCommand = 0, fullPaths = 0;
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if (strcmp(command, "l") == 0) listCommand = 1;
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else if (strcmp(command, "t") == 0) testCommand = 1;
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else if (strcmp(command, "e") == 0) extractCommand = 1;
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else if (strcmp(command, "x") == 0) { extractCommand = 1; fullPaths = 1; }
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else
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{
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PrintError("incorrect command");
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res = SZ_ERROR_FAIL;
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}
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if (res == SZ_OK)
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{
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UInt32 i;
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/*
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if you need cache, use these 3 variables.
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if you use external function, you can make these variable as static.
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*/
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UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
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Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
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size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
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for (i = 0; i < db.db.NumFiles; i++)
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{
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size_t offset = 0;
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size_t outSizeProcessed = 0;
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const CSzFileItem *f = db.db.Files + i;
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size_t len;
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if (listCommand == 0 && f->IsDir && !fullPaths)
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continue;
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len = SzArEx_GetFileNameUtf16(&db, i, NULL);
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if (len > tempSize)
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{
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SzFree(NULL, temp);
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tempSize = len;
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temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0]));
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if (temp == 0)
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{
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res = SZ_ERROR_MEM;
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break;
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}
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}
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SzArEx_GetFileNameUtf16(&db, i, temp);
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if (listCommand)
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{
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char s[32], t[32];
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ConvertNumberToString(f->Size, s);
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if (f->MTimeDefined)
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ConvertFileTimeToString(&f->MTime, t);
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else
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strcpy(t, " ");
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printf("%s %10s ", t, s);
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PrintString(temp);
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if (f->IsDir)
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printf("/");
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printf("\n");
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continue;
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}
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printf(testCommand ?
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"Testing ":
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"Extracting ");
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PrintString(temp);
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if (f->IsDir)
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printf("/");
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else
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{
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res = SzArEx_Extract(&db, &lookStream.s, i,
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&blockIndex, &outBuffer, &outBufferSize,
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&offset, &outSizeProcessed,
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&allocImp, &allocTempImp);
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if (res != SZ_OK)
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break;
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}
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if (!testCommand)
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{
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CSzFile outFile;
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size_t processedSize;
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size_t j;
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UInt16 *name = (UInt16 *)temp;
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const UInt16 *destPath = (const UInt16 *)name;
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for (j = 0; name[j] != 0; j++)
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if (name[j] == '/')
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{
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if (fullPaths)
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{
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name[j] = 0;
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MyCreateDir(name);
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name[j] = CHAR_PATH_SEPARATOR;
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}
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else
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destPath = name + j + 1;
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}
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if (f->IsDir)
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{
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MyCreateDir(destPath);
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printf("\n");
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continue;
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}
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else if (OutFile_OpenUtf16(&outFile, destPath))
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{
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PrintError("can not open output file");
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res = SZ_ERROR_FAIL;
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break;
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}
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processedSize = outSizeProcessed;
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if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed)
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{
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PrintError("can not write output file");
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res = SZ_ERROR_FAIL;
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break;
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}
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if (File_Close(&outFile))
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{
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PrintError("can not close output file");
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res = SZ_ERROR_FAIL;
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break;
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}
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}
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printf("\n");
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}
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IAlloc_Free(&allocImp, outBuffer);
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}
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}
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SzArEx_Free(&db, &allocImp);
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SzFree(NULL, temp);
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File_Close(&archiveStream.file);
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if (res == SZ_OK)
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{
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printf("\nEverything is Ok\n");
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return 0;
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}
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if (res == SZ_ERROR_UNSUPPORTED)
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PrintError("decoder doesn't support this archive");
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else if (res == SZ_ERROR_MEM)
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PrintError("can not allocate memory");
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else if (res == SZ_ERROR_CRC)
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PrintError("CRC error");
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else
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printf("\nERROR #%d\n", res);
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return 1;
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}
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