X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ef8d96c29c73b9da8cdaa2b8b4737862c85ccc20..fa699cbaaf217af186cd04dd10d6ec67c8667136:/samples/console/console.cpp diff --git a/samples/console/console.cpp b/samples/console/console.cpp index 0a08f86c14..fa356714ad 100644 --- a/samples/console/console.cpp +++ b/samples/console/console.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// // Name: samples/console/console.cpp -// Purpose: a sample console (as opposed to GUI) progam using wxWindows +// Purpose: A sample console (as opposed to GUI) program using wxWidgets // Author: Vadim Zeitlin // Modified by: // Created: 04.10.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,668 +17,101 @@ // headers // ---------------------------------------------------------------------------- -#include +// For compilers that support precompilation, includes "wx/wx.h". +#include "wx/wxprec.h" -#include -#include -#include - -// ---------------------------------------------------------------------------- -// conditional compilation -// ---------------------------------------------------------------------------- +#ifdef __BORLANDC__ + #pragma hdrstop +#endif -// what to test? +// for all others, include the necessary headers (this file is usually all you +// need because it includes almost all "standard" wxWidgets headers) +#ifndef WX_PRECOMP + #include "wx/wx.h" +#endif -//#define TEST_ARRAYS -//#define TEST_LOG -//#define TEST_STRINGS -#define TEST_THREADS -//#define TEST_TIME -//#define TEST_LONGLONG +#include +#include // ============================================================================ // implementation // ============================================================================ -// ---------------------------------------------------------------------------- -// long long -// ---------------------------------------------------------------------------- - -#ifdef TEST_LONGLONG - -#include -#include - -static void TestSpeed() -{ - static const long max = 100000000; - long n; - - { - wxStopWatch sw; - - long l = 0; - for ( n = 0; n < max; n++ ) - { - l += n; - } - - printf("Summing longs took %ld milliseconds.\n", sw.Time()); - } - - { - wxStopWatch sw; - - __int64 l = 0; - for ( n = 0; n < max; n++ ) - { - l += n; - } - - printf("Summing __int64s took %ld milliseconds.\n", sw.Time()); - } - - { - wxStopWatch sw; - - wxLongLong l; - for ( n = 0; n < max; n++ ) - { - l += n; - } - - printf("Summing wxLongLongs took %ld milliseconds.\n", sw.Time()); - } -} - -static void TestDivision() -{ - #define MAKE_LL(x1, x2, x3, x4) wxLongLong((x1 << 16) | x2, (x3 << 16) | x3) - - // seed pseudo random generator - //srand((unsigned)time(NULL)); - - size_t nTested = 0; - for ( size_t n = 0; n < 10000; n++ ) - { - // get a random wxLongLong (shifting by 12 the MSB ensures that the - // multiplication will not overflow) - wxLongLong ll = MAKE_LL((rand() >> 12), rand(), rand(), rand()); - - wxASSERT( (ll * 1000l)/1000l == ll ); - - nTested++; - } - - printf("\n*** Tested %u divisions/multiplications: ok\n", nTested); - - #undef MAKE_LL -} - -#endif // TEST_LONGLONG - -// ---------------------------------------------------------------------------- -// date time -// ---------------------------------------------------------------------------- - -#ifdef TEST_TIME - -#include - -// this test miscellaneous static wxDateTime functions -static void TestTimeStatic() -{ - puts("\n*** wxDateTime static methods test ***"); - - // some info about the current date - int year = wxDateTime::GetCurrentYear(); - printf("Current year %d is %sa leap one and has %d days.\n", - year, - wxDateTime::IsLeapYear(year) ? "" : "not ", - wxDateTime::GetNumberOfDays(year)); - - wxDateTime::Month month = wxDateTime::GetCurrentMonth(); - printf("Current month is '%s' ('%s') and it has %d days\n", - wxDateTime::GetMonthName(month, TRUE).c_str(), - wxDateTime::GetMonthName(month).c_str(), - wxDateTime::GetNumberOfDays(month)); - - // leap year logic - static const size_t nYears = 5; - static const size_t years[2][nYears] = - { - // first line: the years to test - { 1990, 1976, 2000, 2030, 1984, }, - - // second line: TRUE if leap, FALSE otherwise - { FALSE, TRUE, TRUE, FALSE, TRUE } - }; - - for ( size_t n = 0; n < nYears; n++ ) - { - int year = years[0][n]; - bool should = years[1][n] != 0; - - printf("Year %d is %sa leap year (should be: %s)\n", - year, - wxDateTime::IsLeapYear(year) ? "" : "not ", - should ? "yes" : "no"); - - wxASSERT( should == wxDateTime::IsLeapYear(year) ); - } -} - -// test constructing wxDateTime objects -static void TestTimeSet() -{ - puts("\n*** wxDateTime construction test ***"); - - printf("Current time:\t%s\n", wxDateTime::Now().Format().c_str()); - printf("Unix epoch:\t%s\n", wxDateTime((time_t)0).Format().c_str()); - printf("Today noon:\t%s\n", wxDateTime(12, 0).Format().c_str()); - printf("May 29, 1976:\t%s\n", wxDateTime(29, wxDateTime::May, 1976).Format().c_str()); -} - -// test time zones stuff -static void TestTimeZones() -{ - puts("\n*** wxDateTime timezone test ***"); - - wxDateTime now = wxDateTime::Now(); - - printf("Current GMT time:\t%s\n", now.ToGMT().Format().c_str()); - printf("Unix epoch (GMT):\t%s\n", wxDateTime((time_t)0).MakeGMT().Format().c_str()); - printf("Current time in Paris:\t%s\n", now.ToTimezone(wxDateTime::CET).Format().c_str()); - printf(" Moscow:\t%s\n", now.ToTimezone(wxDateTime::MSK).Format().c_str()); - printf(" New York:\t%s\n", now.ToTimezone(wxDateTime::EST).Format().c_str()); -} - -// test some minimal support for the dates outside the standard range -static void TestTimeRange() -{ - puts("\n*** wxDateTime out-of-standard-range dates test ***"); - - printf("Unix epoch:\t%s\n", - wxDateTime(2440587.5).Format().c_str()); - printf("Feb 29, 0: \t%s\n", - wxDateTime(29, wxDateTime::Feb, 0).Format().c_str()); - printf("JDN 0: \t%s\n", - wxDateTime(0.0).Format().c_str()); - printf("Jan 1, 1AD:\t%s\n", - wxDateTime(1, wxDateTime::Jan, 1).Format().c_str()); - printf("May 29, 2099:\t%s\n", - wxDateTime(29, wxDateTime::May, 2099).Format().c_str()); -} - -// test conversions to JDN &c -static void TestTimeJDN() -{ - puts("\n*** wxDateTime to JDN test ***"); - - struct Date - { - wxDateTime::wxDateTime_t day; - wxDateTime::Month month; - int year; - double jdn; - }; - - static const Date testDates[] = - { - { 21, wxDateTime::Jan, 2222, 2532648.5 }, - { 29, wxDateTime::May, 1976, 2442927.5 }, - { 1, wxDateTime::Jan, 1970, 2440587.5 }, - { 1, wxDateTime::Jan, 1900, 2415020.5 }, - { 15, wxDateTime::Oct, 1582, 2299160.5 }, - { 4, wxDateTime::Oct, 1582, 2299149.5 }, - { 1, wxDateTime::Mar, 1, 1721484.5 }, - { 1, wxDateTime::Jan, 1, 1721425.5 }, - { 31, wxDateTime::Dec, 0, 1721424.5 }, - { 1, wxDateTime::Jan, 0, 1721059.5 }, - { 12, wxDateTime::Aug, -1234, 1270573.5 }, - { 12, wxDateTime::Aug, -4000, 260313.5 }, - { 24, wxDateTime::Nov, -4713, -0.5 }, - }; - - for ( size_t n = 0; n < WXSIZEOF(testDates); n++ ) - { - const Date& d = testDates[n]; - wxDateTime dt(d.day, d.month, d.year); - double jdn = dt.GetJulianDayNumber(); - - printf("JDN of %s %02d, %4d%s is:\t%f", - wxDateTime::GetMonthName(d.month).c_str(), - d.day, - wxDateTime::ConvertYearToBC(d.year), - d.year > 0 ? "AD" : "BC", - jdn); - if ( jdn == d.jdn ) - { - puts(" (ok)"); - } - else - { - printf(" (ERROR: should be %f, delta = %f)\n", - d.jdn, jdn - d.jdn); - } - } -} - -#endif // TEST_TIME - -// ---------------------------------------------------------------------------- -// threads -// ---------------------------------------------------------------------------- - -#ifdef TEST_THREADS - -#include - -static size_t gs_counter = (size_t)-1; -static wxCriticalSection gs_critsect; -static wxCondition gs_cond; - -class MyJoinableThread : public wxThread +static const wxCmdLineEntryDesc cmdLineDesc[] = { -public: - MyJoinableThread(size_t n) : wxThread(wxTHREAD_JOINABLE) - { m_n = n; Create(); } + { wxCMD_LINE_SWITCH, "h", "help", "show this help message", + wxCMD_LINE_VAL_NONE, wxCMD_LINE_OPTION_HELP }, + { wxCMD_LINE_SWITCH, "d", "dummy", "a dummy switch" }, + // ... your other command line options here... - // thread execution starts here - virtual ExitCode Entry(); - -private: - size_t m_n; + { wxCMD_LINE_NONE } }; -wxThread::ExitCode MyJoinableThread::Entry() +int main(int argc, char **argv) { - unsigned long res = 1; - for ( size_t n = 1; n < m_n; n++ ) - { - res *= n; - - // it's a loooong calculation :-) - Sleep(100); - } - - return (ExitCode)res; -} + wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "program"); -class MyDetachedThread : public wxThread -{ -public: - MyDetachedThread(size_t n, char ch) + wxInitializer initializer; + if ( !initializer ) { - m_n = n; - m_ch = ch; - m_cancelled = FALSE; - - Create(); + fprintf(stderr, "Failed to initialize the wxWidgets library, aborting."); + return -1; } - // thread execution starts here - virtual ExitCode Entry(); - - // and stops here - virtual void OnExit(); - -private: - size_t m_n; // number of characters to write - char m_ch; // character to write - - bool m_cancelled; // FALSE if we exit normally -}; - -wxThread::ExitCode MyDetachedThread::Entry() -{ + wxCmdLineParser parser(cmdLineDesc, argc, argv); + switch ( parser.Parse() ) { - wxCriticalSectionLocker lock(gs_critsect); - if ( gs_counter == (size_t)-1 ) - gs_counter = 1; - else - gs_counter++; - } - - for ( size_t n = 0; n < m_n; n++ ) - { - if ( TestDestroy() ) - { - m_cancelled = TRUE; - + case -1: + // help was given, terminating break; - } - - putchar(m_ch); - fflush(stdout); - - wxThread::Sleep(100); - } - - return 0; -} - -void MyDetachedThread::OnExit() -{ - wxLogTrace("thread", "Thread %ld is in OnExit", GetId()); - - wxCriticalSectionLocker lock(gs_critsect); - if ( !--gs_counter && !m_cancelled ) - gs_cond.Signal(); -} -void TestDetachedThreads() -{ - puts("\n*** Testing detached threads ***"); - - static const size_t nThreads = 3; - MyDetachedThread *threads[nThreads]; - size_t n; - for ( n = 0; n < nThreads; n++ ) - { - threads[n] = new MyDetachedThread(10, 'A' + n); - } - - threads[0]->SetPriority(WXTHREAD_MIN_PRIORITY); - threads[1]->SetPriority(WXTHREAD_MAX_PRIORITY); - - for ( n = 0; n < nThreads; n++ ) - { - threads[n]->Run(); - } - - // wait until all threads terminate - gs_cond.Wait(); - - puts(""); -} - -void TestJoinableThreads() -{ - puts("\n*** Testing a joinable thread (a loooong calculation...) ***"); - - // calc 10! in the background - MyJoinableThread thread(10); - thread.Run(); - - printf("\nThread terminated with exit code %lu.\n", - (unsigned long)thread.Wait()); -} - -void TestThreadSuspend() -{ - puts("\n*** Testing thread suspend/resume functions ***"); - - MyDetachedThread *thread = new MyDetachedThread(15, 'X'); - - thread->Run(); - - // this is for this demo only, in a real life program we'd use another - // condition variable which would be signaled from wxThread::Entry() to - // tell us that the thread really started running - but here just wait a - // bit and hope that it will be enough (the problem is, of course, that - // the thread might still not run when we call Pause() which will result - // in an error) - wxThread::Sleep(300); - - for ( size_t n = 0; n < 3; n++ ) - { - thread->Pause(); - - puts("\nThread suspended"); - if ( n > 0 ) - { - // don't sleep but resume immediately the first time - wxThread::Sleep(300); - } - puts("Going to resume the thread"); - - thread->Resume(); - } - - puts("Waiting until it terminates now"); - - // wait until the thread terminates - gs_cond.Wait(); - - puts(""); -} - -void TestThreadDelete() -{ - // As above, using Sleep() is only for testing here - we must use some - // synchronisation object instead to ensure that the thread is still - // running when we delete it - deleting a detached thread which already - // terminated will lead to a crash! - - puts("\n*** Testing thread delete function ***"); - - MyDetachedThread *thread0 = new MyDetachedThread(30, 'W'); - - thread0->Delete(); - - puts("\nDeleted a thread which didn't start to run yet."); - - MyDetachedThread *thread1 = new MyDetachedThread(30, 'Y'); - - thread1->Run(); - - wxThread::Sleep(300); - - thread1->Delete(); - - puts("\nDeleted a running thread."); - - MyDetachedThread *thread2 = new MyDetachedThread(30, 'Z'); - - thread2->Run(); - - wxThread::Sleep(300); - - thread2->Pause(); - - thread2->Delete(); - - puts("\nDeleted a sleeping thread."); - - MyJoinableThread thread3(20); - thread3.Run(); - - thread3.Delete(); - - puts("\nDeleted a joinable thread."); - - MyJoinableThread thread4(2); - thread4.Run(); - - wxThread::Sleep(300); - - thread4.Delete(); - - puts("\nDeleted a joinable thread which already terminated."); - - puts(""); -} - -#endif // TEST_THREADS - -// ---------------------------------------------------------------------------- -// arrays -// ---------------------------------------------------------------------------- - -#ifdef TEST_ARRAYS - -void PrintArray(const char* name, const wxArrayString& array) -{ - printf("Dump of the array '%s'\n", name); - - size_t nCount = array.GetCount(); - for ( size_t n = 0; n < nCount; n++ ) - { - printf("\t%s[%u] = '%s'\n", name, n, array[n].c_str()); - } -} - -#endif // TEST_ARRAYS - -// ---------------------------------------------------------------------------- -// strings -// ---------------------------------------------------------------------------- - -#ifdef TEST_STRINGS - -#include "wx/timer.h" - -void TestString() -{ - wxStopWatch sw; - - wxString a, b, c; - - a.reserve (128); - b.reserve (128); - c.reserve (128); - - for (int i = 0; i < 1000000; ++i) - { - a = "Hello"; - b = " world"; - c = "! How'ya doin'?"; - a += b; - a += c; - c = "Hello world! What's up?"; - if (c != a) - c = "Doh!"; - } - - printf ("TestString elapsed time: %ld\n", sw.Time()); -} - -void TestPChar() -{ - wxStopWatch sw; - - char a [128]; - char b [128]; - char c [128]; - - for (int i = 0; i < 1000000; ++i) - { - strcpy (a, "Hello"); - strcpy (b, " world"); - strcpy (c, "! How'ya doin'?"); - strcat (a, b); - strcat (a, c); - strcpy (c, "Hello world! What's up?"); - if (strcmp (c, a) == 0) - strcpy (c, "Doh!"); - } - - printf ("TestPChar elapsed time: %ld\n", sw.Time()); -} - -#endif // TEST_STRINGS - -// ---------------------------------------------------------------------------- -// entry point -// ---------------------------------------------------------------------------- + case 0: + // everything is ok; proceed + if (parser.Found("d")) + { + wxPrintf("Dummy switch was given...\n"); + + while (1) + { + wxChar input[128]; + wxPrintf("Try to guess the magic number (type 'quit' to escape): "); + if ( !wxFgets(input, WXSIZEOF(input), stdin) ) + break; + + // kill the last '\n' + input[wxStrlen(input) - 1] = 0; + + if (wxStrcmp(input, "quit") == 0) + break; + + long val; + if (!wxString(input).ToLong(&val)) + { + wxPrintf("Invalid number...\n"); + continue; + } + + if (val == 42) + wxPrintf("You guessed!\n"); + else + wxPrintf("Bad luck!\n"); + } + } + break; -int main(int argc, char **argv) -{ - if ( !wxInitialize() ) - { - fprintf(stderr, "Failed to initialize the wxWindows library, aborting."); + default: + break; } -#ifdef TEST_STRINGS - TestPChar(); - TestString(); -#endif // TEST_STRINGS - -#ifdef TEST_ARRAYS - wxArrayString a1; - a1.Add("tiger"); - a1.Add("cat"); - a1.Add("lion"); - a1.Add("dog"); - a1.Add("human"); - a1.Add("ape"); - - puts("*** Initially:"); - - PrintArray("a1", a1); - - wxArrayString a2(a1); - PrintArray("a2", a2); - - wxSortedArrayString a3(a1); - PrintArray("a3", a3); - - puts("*** After deleting a string from a1"); - a1.Remove(2); - - PrintArray("a1", a1); - PrintArray("a2", a2); - PrintArray("a3", a3); - - puts("*** After reassigning a1 to a2 and a3"); - a3 = a2 = a1; - PrintArray("a2", a2); - PrintArray("a3", a3); -#endif // TEST_ARRAYS - -#ifdef TEST_LOG - wxString s; - for ( size_t n = 0; n < 8000; n++ ) + if ( argc == 1 ) { - s << (char)('A' + (n % 26)); + // If there were no command-line options supplied, emit a message + // otherwise it's not obvious that the sample ran successfully + wxPrintf("Welcome to the wxWidgets 'console' sample!\n"); + wxPrintf("For more information, run it again with the --help option\n"); } - wxString msg; - msg.Printf("A very very long message: '%s', the end!\n", s.c_str()); - - // this one shouldn't be truncated - printf(msg); - - // but this one will because log functions use fixed size buffer - // (note that it doesn't need '\n' at the end neither - will be added - // by wxLog anyhow) - wxLogMessage("A very very long message 2: '%s', the end!", s.c_str()); -#endif // TEST_LOG - -#ifdef TEST_THREADS - printf("This system has %d CPUs\n", wxThread::GetCPUCount()); - - if ( argc > 1 && argv[1][0] == 't' ) - wxLog::AddTraceMask("thread"); - - if ( 1 ) - TestDetachedThreads(); - if ( 1 ) - TestJoinableThreads(); - if ( 1 ) - TestThreadSuspend(); - if ( 1 ) - TestThreadDelete(); - -#endif // TEST_THREADS - -#ifdef TEST_LONGLONG - if ( 0 ) - TestSpeed(); - if ( 1 ) - TestDivision(); -#endif // TEST_LONGLONG - -#ifdef TEST_TIME - TestTimeStatic(); - TestTimeSet(); - TestTimeZones(); - TestTimeRange(); - TestTimeJDN(); -#endif // TEST_TIME - - wxUninitialize(); + // do something useful here return 0; }