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525 lines
14 KiB
C++
525 lines
14 KiB
C++
// LzmaAlone.cpp
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#include "StdAfx.h"
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#include "../../../Common/MyWindows.h"
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#include "../../../Common/MyInitGuid.h"
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#include <stdio.h>
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#if (defined(_WIN32) || defined(OS2) || defined(MSDOS)) && !defined(UNDER_CE)
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#include <fcntl.h>
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#include <io.h>
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#define MY_SET_BINARY_MODE(file) _setmode(_fileno(file), O_BINARY)
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#else
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#define MY_SET_BINARY_MODE(file)
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#endif
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#include "../../../Common/CommandLineParser.h"
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#include "../../../Common/StringConvert.h"
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#include "../../../Common/StringToInt.h"
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#include "../../../Windows/NtCheck.h"
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#include "../../Common/FileStreams.h"
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#include "../../Common/StreamUtils.h"
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#include "../LzmaDecoder.h"
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#include "../LzmaEncoder.h"
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#include "LzmaBenchCon.h"
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#ifdef COMPRESS_MF_MT
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#include "../../../Windows/System.h"
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#endif
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#include "../../../../C/7zVersion.h"
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#include "../../../../C/Alloc.h"
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#include "../../../../C/Lzma86.h"
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using namespace NCommandLineParser;
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static const char *kCantAllocate = "Can not allocate memory";
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static const char *kReadError = "Read error";
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static const char *kWriteError = "Write error";
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namespace NKey {
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enum Enum
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{
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kHelp1 = 0,
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kHelp2,
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kAlgo,
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kDict,
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kFb,
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kMc,
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kLc,
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kLp,
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kPb,
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kMatchFinder,
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kMultiThread,
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kEOS,
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kStdIn,
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kStdOut,
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kFilter86
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};
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}
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static const CSwitchForm kSwitchForms[] =
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{
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{ L"?", NSwitchType::kSimple, false },
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{ L"H", NSwitchType::kSimple, false },
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{ L"A", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"D", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"FB", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"MC", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"LC", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"LP", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"PB", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"MF", NSwitchType::kUnLimitedPostString, false, 1 },
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{ L"MT", NSwitchType::kUnLimitedPostString, false, 0 },
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{ L"EOS", NSwitchType::kSimple, false },
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{ L"SI", NSwitchType::kSimple, false },
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{ L"SO", NSwitchType::kSimple, false },
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{ L"F86", NSwitchType::kPostChar, false, 0, 0, L"+" }
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};
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static const int kNumSwitches = sizeof(kSwitchForms) / sizeof(kSwitchForms[0]);
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static void PrintMessage(const char *s)
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{
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fprintf(stderr, s);
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}
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static void PrintHelp()
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{
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PrintMessage("\nUsage: LZMA <e|d> inputFile outputFile [<switches>...]\n"
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" e: encode file\n"
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" d: decode file\n"
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" b: Benchmark\n"
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"<Switches>\n"
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" -a{N}: set compression mode - [0, 1], default: 1 (max)\n"
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" -d{N}: set dictionary size - [12, 30], default: 23 (8MB)\n"
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" -fb{N}: set number of fast bytes - [5, 273], default: 128\n"
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" -mc{N}: set number of cycles for match finder\n"
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" -lc{N}: set number of literal context bits - [0, 8], default: 3\n"
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" -lp{N}: set number of literal pos bits - [0, 4], default: 0\n"
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" -pb{N}: set number of pos bits - [0, 4], default: 2\n"
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" -mf{MF_ID}: set Match Finder: [bt2, bt3, bt4, hc4], default: bt4\n"
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" -mt{N}: set number of CPU threads\n"
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" -eos: write End Of Stream marker\n"
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" -si: read data from stdin\n"
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" -so: write data to stdout\n"
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);
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}
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static void PrintHelpAndExit(const char *s)
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{
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fprintf(stderr, "\nError: %s\n\n", s);
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PrintHelp();
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throw -1;
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}
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static void IncorrectCommand()
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{
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PrintHelpAndExit("Incorrect command");
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}
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static void WriteArgumentsToStringList(int numArgs, const char *args[], UStringVector &strings)
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{
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for (int i = 1; i < numArgs; i++)
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strings.Add(MultiByteToUnicodeString(args[i]));
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}
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static bool GetNumber(const wchar_t *s, UInt32 &value)
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{
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value = 0;
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if (MyStringLen(s) == 0)
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return false;
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const wchar_t *end;
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UInt64 res = ConvertStringToUInt64(s, &end);
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if (*end != L'\0')
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return false;
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if (res > 0xFFFFFFFF)
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return false;
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value = UInt32(res);
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return true;
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}
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static void ParseUInt32(const CParser &parser, int index, UInt32 &res)
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{
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if (parser[index].ThereIs)
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if (!GetNumber(parser[index].PostStrings[0], res))
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IncorrectCommand();
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}
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#define NT_CHECK_FAIL_ACTION PrintMessage("Unsupported Windows version"); return 1;
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int main2(int numArgs, const char *args[])
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{
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NT_CHECK
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PrintMessage("\nLZMA " MY_VERSION_COPYRIGHT_DATE "\n");
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if (numArgs == 1)
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{
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PrintHelp();
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return 0;
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}
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bool unsupportedTypes = (sizeof(Byte) != 1 || sizeof(UInt32) < 4 || sizeof(UInt64) < 4);
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if (unsupportedTypes)
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{
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PrintMessage("Unsupported base types. Edit Common/Types.h and recompile");
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return 1;
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}
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UStringVector commandStrings;
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WriteArgumentsToStringList(numArgs, args, commandStrings);
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CParser parser(kNumSwitches);
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try
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{
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parser.ParseStrings(kSwitchForms, commandStrings);
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}
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catch(...)
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{
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IncorrectCommand();
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}
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if(parser[NKey::kHelp1].ThereIs || parser[NKey::kHelp2].ThereIs)
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{
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PrintHelp();
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return 0;
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}
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const UStringVector &nonSwitchStrings = parser.NonSwitchStrings;
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int paramIndex = 0;
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if (paramIndex >= nonSwitchStrings.Size())
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IncorrectCommand();
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const UString &command = nonSwitchStrings[paramIndex++];
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bool dictDefined = false;
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UInt32 dict = (UInt32)-1;
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if(parser[NKey::kDict].ThereIs)
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{
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UInt32 dicLog;
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if (!GetNumber(parser[NKey::kDict].PostStrings[0], dicLog))
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IncorrectCommand();
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dict = 1 << dicLog;
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dictDefined = true;
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}
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UString mf = L"BT4";
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if (parser[NKey::kMatchFinder].ThereIs)
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mf = parser[NKey::kMatchFinder].PostStrings[0];
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UInt32 numThreads = (UInt32)-1;
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#ifdef COMPRESS_MF_MT
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if (parser[NKey::kMultiThread].ThereIs)
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{
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UInt32 numCPUs = NWindows::NSystem::GetNumberOfProcessors();
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const UString &s = parser[NKey::kMultiThread].PostStrings[0];
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if (s.IsEmpty())
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numThreads = numCPUs;
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else
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if (!GetNumber(s, numThreads))
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IncorrectCommand();
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}
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#endif
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if (command.CompareNoCase(L"b") == 0)
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{
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const UInt32 kNumDefaultItereations = 1;
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UInt32 numIterations = kNumDefaultItereations;
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{
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if (paramIndex < nonSwitchStrings.Size())
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if (!GetNumber(nonSwitchStrings[paramIndex++], numIterations))
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numIterations = kNumDefaultItereations;
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}
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return LzmaBenchCon(stderr, numIterations, numThreads, dict);
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}
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if (numThreads == (UInt32)-1)
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numThreads = 1;
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bool encodeMode = false;
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if (command.CompareNoCase(L"e") == 0)
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encodeMode = true;
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else if (command.CompareNoCase(L"d") == 0)
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encodeMode = false;
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else
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IncorrectCommand();
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bool stdInMode = parser[NKey::kStdIn].ThereIs;
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bool stdOutMode = parser[NKey::kStdOut].ThereIs;
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CMyComPtr<ISequentialInStream> inStream;
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CInFileStream *inStreamSpec = 0;
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if (stdInMode)
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{
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inStream = new CStdInFileStream;
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MY_SET_BINARY_MODE(stdin);
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}
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else
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{
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if (paramIndex >= nonSwitchStrings.Size())
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IncorrectCommand();
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const UString &inputName = nonSwitchStrings[paramIndex++];
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inStreamSpec = new CInFileStream;
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inStream = inStreamSpec;
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if (!inStreamSpec->Open(GetSystemString(inputName)))
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{
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fprintf(stderr, "\nError: can not open input file %s\n",
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(const char *)GetOemString(inputName));
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return 1;
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}
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}
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CMyComPtr<ISequentialOutStream> outStream;
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COutFileStream *outStreamSpec = NULL;
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if (stdOutMode)
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{
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outStream = new CStdOutFileStream;
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MY_SET_BINARY_MODE(stdout);
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}
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else
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{
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if (paramIndex >= nonSwitchStrings.Size())
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IncorrectCommand();
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const UString &outputName = nonSwitchStrings[paramIndex++];
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outStreamSpec = new COutFileStream;
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outStream = outStreamSpec;
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if (!outStreamSpec->Create(GetSystemString(outputName), true))
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{
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fprintf(stderr, "\nError: can not open output file %s\n",
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(const char *)GetOemString(outputName));
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return 1;
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}
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}
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if (parser[NKey::kFilter86].ThereIs)
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{
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// -f86 switch is for x86 filtered mode: BCJ + LZMA.
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if (parser[NKey::kEOS].ThereIs || stdInMode)
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throw "Can not use stdin in this mode";
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UInt64 fileSize;
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inStreamSpec->File.GetLength(fileSize);
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if (fileSize > 0xF0000000)
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throw "File is too big";
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size_t inSize = (size_t)fileSize;
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Byte *inBuffer = 0;
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if (inSize != 0)
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{
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inBuffer = (Byte *)MyAlloc((size_t)inSize);
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if (inBuffer == 0)
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throw kCantAllocate;
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}
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if (ReadStream_FAIL(inStream, inBuffer, inSize) != S_OK)
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throw "Can not read";
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Byte *outBuffer = 0;
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size_t outSize;
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if (encodeMode)
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{
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// we allocate 105% of original size for output buffer
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outSize = (size_t)fileSize / 20 * 21 + (1 << 16);
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if (outSize != 0)
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{
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outBuffer = (Byte *)MyAlloc((size_t)outSize);
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if (outBuffer == 0)
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throw kCantAllocate;
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}
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if (!dictDefined)
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dict = 1 << 23;
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int res = Lzma86_Encode(outBuffer, &outSize, inBuffer, inSize,
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5, dict, parser[NKey::kFilter86].PostCharIndex == 0 ? SZ_FILTER_YES : SZ_FILTER_AUTO);
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if (res != 0)
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{
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fprintf(stderr, "\nEncoder error = %d\n", (int)res);
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return 1;
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}
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}
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else
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{
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UInt64 outSize64;
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if (Lzma86_GetUnpackSize(inBuffer, inSize, &outSize64) != 0)
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throw "data error";
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outSize = (size_t)outSize64;
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if (outSize != outSize64)
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throw "too big";
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if (outSize != 0)
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{
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outBuffer = (Byte *)MyAlloc(outSize);
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if (outBuffer == 0)
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throw kCantAllocate;
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}
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int res = Lzma86_Decode(outBuffer, &outSize, inBuffer, &inSize);
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if (inSize != (size_t)fileSize)
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throw "incorrect processed size";
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if (res != 0)
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throw "LzmaDecoder error";
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}
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if (WriteStream(outStream, outBuffer, outSize) != S_OK)
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throw kWriteError;
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MyFree(outBuffer);
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MyFree(inBuffer);
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return 0;
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}
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UInt64 fileSize;
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if (encodeMode)
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{
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NCompress::NLzma::CEncoder *encoderSpec = new NCompress::NLzma::CEncoder;
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CMyComPtr<ICompressCoder> encoder = encoderSpec;
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if (!dictDefined)
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dict = 1 << 23;
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UInt32 pb = 2;
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UInt32 lc = 3; // = 0; for 32-bit data
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UInt32 lp = 0; // = 2; for 32-bit data
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UInt32 algo = 1;
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UInt32 fb = 128;
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UInt32 mc = 16 + fb / 2;
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bool mcDefined = false;
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bool eos = parser[NKey::kEOS].ThereIs || stdInMode;
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ParseUInt32(parser, NKey::kAlgo, algo);
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ParseUInt32(parser, NKey::kFb, fb);
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ParseUInt32(parser, NKey::kLc, lc);
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ParseUInt32(parser, NKey::kLp, lp);
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ParseUInt32(parser, NKey::kPb, pb);
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mcDefined = parser[NKey::kMc].ThereIs;
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if (mcDefined)
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if (!GetNumber(parser[NKey::kMc].PostStrings[0], mc))
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IncorrectCommand();
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PROPID propIDs[] =
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{
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NCoderPropID::kDictionarySize,
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NCoderPropID::kPosStateBits,
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NCoderPropID::kLitContextBits,
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NCoderPropID::kLitPosBits,
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NCoderPropID::kAlgorithm,
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NCoderPropID::kNumFastBytes,
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NCoderPropID::kMatchFinder,
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NCoderPropID::kEndMarker,
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NCoderPropID::kNumThreads,
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NCoderPropID::kMatchFinderCycles,
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};
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const int kNumPropsMax = sizeof(propIDs) / sizeof(propIDs[0]);
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PROPVARIANT props[kNumPropsMax];
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for (int p = 0; p < 6; p++)
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props[p].vt = VT_UI4;
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props[0].ulVal = (UInt32)dict;
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props[1].ulVal = (UInt32)pb;
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props[2].ulVal = (UInt32)lc;
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props[3].ulVal = (UInt32)lp;
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props[4].ulVal = (UInt32)algo;
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props[5].ulVal = (UInt32)fb;
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props[6].vt = VT_BSTR;
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props[6].bstrVal = (BSTR)(const wchar_t *)mf;
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props[7].vt = VT_BOOL;
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props[7].boolVal = eos ? VARIANT_TRUE : VARIANT_FALSE;
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props[8].vt = VT_UI4;
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props[8].ulVal = (UInt32)numThreads;
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// it must be last in property list
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props[9].vt = VT_UI4;
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props[9].ulVal = (UInt32)mc;
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int numProps = kNumPropsMax;
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if (!mcDefined)
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numProps--;
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if (encoderSpec->SetCoderProperties(propIDs, props, numProps) != S_OK)
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IncorrectCommand();
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encoderSpec->WriteCoderProperties(outStream);
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if (eos || stdInMode)
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fileSize = (UInt64)(Int64)-1;
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else
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inStreamSpec->File.GetLength(fileSize);
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for (int i = 0; i < 8; i++)
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{
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Byte b = Byte(fileSize >> (8 * i));
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if (outStream->Write(&b, 1, 0) != S_OK)
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{
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PrintMessage(kWriteError);
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return 1;
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}
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}
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HRESULT result = encoder->Code(inStream, outStream, 0, 0, 0);
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if (result == E_OUTOFMEMORY)
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{
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PrintMessage("\nError: Can not allocate memory\n");
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return 1;
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}
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else if (result != S_OK)
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{
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fprintf(stderr, "\nEncoder error = %X\n", (unsigned int)result);
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return 1;
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}
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}
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else
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{
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NCompress::NLzma::CDecoder *decoderSpec = new NCompress::NLzma::CDecoder;
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CMyComPtr<ICompressCoder> decoder = decoderSpec;
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decoderSpec->FinishStream = true;
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const UInt32 kPropertiesSize = 5;
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Byte header[kPropertiesSize + 8];
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if (ReadStream_FALSE(inStream, header, kPropertiesSize + 8) != S_OK)
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{
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PrintMessage(kReadError);
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return 1;
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}
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if (decoderSpec->SetDecoderProperties2(header, kPropertiesSize) != S_OK)
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{
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PrintMessage("SetDecoderProperties error");
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return 1;
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}
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fileSize = 0;
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for (int i = 0; i < 8; i++)
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fileSize |= ((UInt64)header[kPropertiesSize + i]) << (8 * i);
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if (decoder->Code(inStream, outStream, 0, (fileSize == (UInt64)(Int64)-1) ? 0 : &fileSize, 0) != S_OK)
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{
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PrintMessage("Decoder error");
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return 1;
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}
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}
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if (outStreamSpec != NULL)
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{
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if (outStreamSpec->Close() != S_OK)
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{
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PrintMessage("File closing error");
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return 1;
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}
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}
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return 0;
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}
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int MY_CDECL main(int numArgs, const char *args[])
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{
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try { return main2(numArgs, args); }
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catch(const char *s)
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{
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fprintf(stderr, "\nError: %s\n", s);
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return 1;
|
|
}
|
|
catch(...)
|
|
{
|
|
PrintMessage("\nError\n");
|
|
return 1;
|
|
}
|
|
}
|