qse/ase/net/StdAwk.cpp
2008-03-04 05:20:05 +00:00

364 lines
8.8 KiB
C++

/*
* $Id: StdAwk.cpp 117 2008-03-03 11:20:05Z baconevi $
*
* {License}
*/
#include "stdafx.h"
#include "misc.h"
#include <ase/net/StdAwk.hpp>
#include <stdio.h>
#include <stdlib.h>
#include <tchar.h>
#include <vcclr.h>
#include <time.h>
#pragma warning(disable:4996)
ASE_BEGIN_NAMESPACE2(ASE,Net)
StdAwk::StdAwk ()
{
random_seed = (gcnew System::Random)->Next (System::Int32::MinValue, System::Int32::MaxValue);
random = gcnew System::Random (random_seed);
// TODO: exception/error handling....
AddFunction ("sin", 1, 1, gcnew FunctionHandler (this, &StdAwk::Sin));
AddFunction ("cos", 1, 1, gcnew FunctionHandler (this, &StdAwk::Cos));
AddFunction ("tan", 1, 1, gcnew FunctionHandler (this, &StdAwk::Tan));
AddFunction ("atan", 1, 1, gcnew FunctionHandler (this, &StdAwk::Atan));
AddFunction ("atan2", 2, 2, gcnew FunctionHandler (this, &StdAwk::Atan2));
AddFunction ("log", 1, 1, gcnew FunctionHandler (this, &StdAwk::Log));
AddFunction ("exp", 1, 1, gcnew FunctionHandler (this, &StdAwk::Exp));
AddFunction ("sqrt", 1, 1, gcnew FunctionHandler (this, &StdAwk::Sqrt));
AddFunction ("int", 1, 1, gcnew FunctionHandler (this, &StdAwk::Int));
AddFunction ("rand", 0, 0, gcnew FunctionHandler (this, &StdAwk::Rand));
AddFunction ("srand", 1, 1, gcnew FunctionHandler (this, &StdAwk::Srand));
AddFunction ("systime", 0, 0, gcnew FunctionHandler (this, &StdAwk::Systime));
AddFunction ("strftime", 0, 2, gcnew FunctionHandler (this, &StdAwk::Strftime));
AddFunction ("strfgmtime", 0, 2, gcnew FunctionHandler (this, &StdAwk::Strfgmtime));
}
StdAwk::~StdAwk ()
{
}
bool StdAwk::Sin (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Sin (args[0]->RealValue));
}
bool StdAwk::Cos (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Cos (args[0]->RealValue));
}
bool StdAwk::Tan (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Tan (args[0]->RealValue));
}
bool StdAwk::Atan (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Atan (args[0]->RealValue));
}
bool StdAwk::Atan2 (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Atan2 (args[0]->RealValue, args[1]->RealValue));
}
bool StdAwk::Log (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Log (args[0]->RealValue));
}
bool StdAwk::Exp (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Exp (args[0]->RealValue));
}
bool StdAwk::Sqrt (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((real_t)System::Math::Sqrt (args[0]->RealValue));
}
bool StdAwk::Int (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set (args[0]->LongValue);
}
bool StdAwk::Rand (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((long_t)random->Next ());
}
bool StdAwk::Srand (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
int seed = (int)args[0]->LongValue;
System::Random^ tmp = gcnew System::Random (seed);
if (!ret->Set((long_t)tmp->Next())) return false;
this->random_seed = seed;
this->random = tmp;
return true;
}
#if defined(_WIN32) && defined(_MSC_VER) && (_MSC_VER>=1400)
#define time_t __time64_t
#define time _time64
#define localtime _localtime64
#define gmtime _gmtime64
#endif
bool StdAwk::Systime (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
return ret->Set ((long_t)::time(NULL));
}
bool StdAwk::Strftime (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
wchar_t buf[128];
struct tm* tm;
size_t len;
if (args->Length < 1)
{
const wchar_t* fmt = L"%c";
time_t t = (args->Length < 2)? ::time(NULL): (time_t)args[1]->LongValue;
tm = ::localtime (&t);
len = ::wcsftime (buf, ASE_COUNTOF(buf), fmt, tm);
}
else
{
cli::pin_ptr<const ASE::Awk::char_t> fmt = PtrToStringChars(args[0]->StringValue);
time_t t = (args->Length < 2)? ::time(NULL): (time_t)args[1]->LongValue;
tm = ::localtime (&t);
len = ::wcsftime (buf, ASE_COUNTOF(buf), fmt, tm);
}
return ret->Set (gcnew System::String (buf, 0, len));
}
bool StdAwk::Strfgmtime (Context^ ctx, System::String^ name, array<Argument^>^ args, Return^ ret)
{
wchar_t buf[128];
struct tm* tm;
size_t len;
if (args->Length < 1)
{
const wchar_t* fmt = L"%c";
time_t t = (args->Length < 2)? ::time(NULL): (time_t)args[1]->LongValue;
tm = ::gmtime (&t);
len = ::wcsftime (buf, ASE_COUNTOF(buf), fmt, tm);
}
else
{
cli::pin_ptr<const ASE::Awk::char_t> fmt = PtrToStringChars(args[0]->StringValue);
time_t t = (args->Length < 2)? ::time(NULL): (time_t)args[1]->LongValue;
tm = ::gmtime (&t);
len = ::wcsftime (buf, ASE_COUNTOF(buf), fmt, tm);
}
return ret->Set (gcnew System::String (buf, 0, len));
}
int StdAwk::OpenFile (File^ file)
{
System::IO::FileMode mode;
System::IO::FileAccess access;
System::IO::FileStream^ fs;
if (file->Mode->Equals(File::MODE::READ))
{
mode = System::IO::FileMode::Open;
access = System::IO::FileAccess::Read;
fs = gcnew System::IO::FileStream (file->Name, mode, access);
System::IO::StreamReader^ rd = gcnew System::IO::StreamReader (fs);
file->Handle = rd;
}
else if (file->Mode->Equals(File::MODE::WRITE))
{
mode = System::IO::FileMode::Create;
access = System::IO::FileAccess::Write;
fs = gcnew System::IO::FileStream (file->Name, mode, access);
System::IO::StreamWriter^ wr = gcnew System::IO::StreamWriter (fs);
file->Handle = wr;
}
else /* File::MODE::APPEND */
{
mode = System::IO::FileMode::Append;
access = System::IO::FileAccess::Write;
fs = gcnew System::IO::FileStream (file->Name, mode, access);
System::IO::StreamWriter^ wr = gcnew System::IO::StreamWriter (fs);
file->Handle = wr;
}
return 1;
}
int StdAwk::CloseFile (File^ file)
{
if (file->Mode->Equals(File::MODE::READ))
{
System::IO::StreamReader^ sr = (System::IO::StreamReader^)file->Handle;
sr->Close ();
}
else
{
System::IO::StreamWriter^ sw = (System::IO::StreamWriter^)file->Handle;
sw->Close ();
}
return 0;
}
int StdAwk::ReadFile (File^ file, cli::array<char_t>^ buf, int len)
{
System::IO::StreamReader^ sr = (System::IO::StreamReader^)file->Handle;
return sr->Read (buf, 0, len);
}
int StdAwk::WriteFile (File^ file, cli::array<char_t>^ buf, int len)
{
System::IO::StreamWriter^ sw = (System::IO::StreamWriter^)file->Handle;
sw->Write (buf, 0, len);
return len;
}
int StdAwk::FlushFile (File^ file)
{
System::IO::StreamWriter^ sw = (System::IO::StreamWriter^)file->Handle;
sw->Flush ();
return 0;
}
int StdAwk::OpenPipe (Pipe^ pipe)
{
FILE* fp = NULL;
cli::pin_ptr<const wchar_t> name =
PtrToStringChars(pipe->Name);
if (pipe->Mode->Equals(Pipe::MODE::READ))
{
fp = _wpopen (name, L"r");
}
else // Pipe::MODE::WRITE
{
fp = _wpopen (name, L"w");
}
if (fp == NULL) return -1;
pipe->Handle = System::IntPtr ((void*)fp);
return 1;
}
int StdAwk::ClosePipe (Pipe^ pipe)
{
System::IntPtr ip = (System::IntPtr)pipe->Handle;
FILE* fp = (FILE*)ip.ToPointer();
return (::_pclose (fp) == EOF)? -1: 0;
}
int StdAwk::ReadPipe (Pipe^ pipe, cli::array<char_t>^ buf, int len)
{
System::IntPtr ip = (System::IntPtr)pipe->Handle;
FILE* fp = (FILE*)ip.ToPointer();
int n = 0;
while (n < len)
{
wint_t c = fgetwc (fp);
if (c == WEOF) break;
buf[n++] = c;
if (c == L'\n') break;
}
return n;
}
int StdAwk::WritePipe (Pipe^ pipe, cli::array<char_t>^ buf, int len)
{
System::IntPtr ip = (System::IntPtr)pipe->Handle;
FILE* fp = (FILE*)ip.ToPointer();
int left;
cli::pin_ptr<char_t> bp = &buf[0];
/* somehow, fwprintf returns 0 when non-ascii
* characters are included in the buffer.
while (left > 0)
{
if (*bp == ASE_T('\0'))
{
if (fputwc (*ptr, fp) == WEOF)
{
return -1;
}
left -= 1; bp += 1;
}
else
{
int n = fwprintf (fp, L"%.*s", left, bp);
if (n < 0 || n > left) return -1;
left -= n; bp += n;
}
}*/
/* so the scheme has been changed to the following */
char* mbp = unicode_to_multibyte (bp, len, &left);
if (mbp == NULL) return -1;
char* ptr = mbp;
while (left > 0)
{
if (*ptr == '\0')
{
if (fputwc (*ptr, fp) == WEOF)
{
::free (mbp);
return -1;
}
left -= 1; ptr += 1;
}
else
{
int n = fprintf (fp, "%.*s", left, ptr);
if (n < 0 || n > left)
{
::free (mbp);
return -1;
}
left -= n; ptr += n;
}
}
::free (mbp);
return len;
}
int StdAwk::FlushPipe (Pipe^ pipe)
{
System::IntPtr ip = (System::IntPtr)pipe->Handle;
FILE* fp = (FILE*)ip.ToPointer();
return (::fflush (fp) == EOF)? -1: 0;
}
ASE_END_NAMESPACE2(Net,ASE)