468 lines
9.3 KiB
C++
468 lines
9.3 KiB
C++
/*
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* $Id: StdAwk.cpp,v 1.21 2007/05/23 14:15:16 bacon Exp $
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*/
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#include <ase/awk/StdAwk.hpp>
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#include <ase/cmn/str.h>
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#include <ase/utl/stdio.h>
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#include <ase/utl/ctype.h>
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#include <stdlib.h>
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#include <math.h>
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#include <time.h>
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#ifdef _WIN32
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#include <tchar.h>
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#else
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#include <wchar.h>
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#endif
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namespace ASE
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{
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StdAwk::StdAwk ()
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{
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seed = ::time(NULL);
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::srand (seed);
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}
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#define ADD_FUNC(name,min,max,impl) \
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do { \
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if (addFunction (name, min, max, \
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(FunctionHandler)impl) == -1) \
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{ \
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Awk::close (); \
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return -1; \
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} \
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} while (0)
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int StdAwk::open ()
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{
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int n = Awk::open ();
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if (n == -1) return n;
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ADD_FUNC (ASE_T("sin"), 1, 1, &StdAwk::sin);
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ADD_FUNC (ASE_T("cos"), 1, 1, &StdAwk::cos);
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ADD_FUNC (ASE_T("tan"), 1, 1, &StdAwk::tan);
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ADD_FUNC (ASE_T("atan2"), 2, 2, &StdAwk::atan2);
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ADD_FUNC (ASE_T("log"), 1, 1, &StdAwk::log);
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ADD_FUNC (ASE_T("exp"), 1, 1, &StdAwk::exp);
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ADD_FUNC (ASE_T("sqrt"), 1, 1, &StdAwk::sqrt);
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ADD_FUNC (ASE_T("int"), 1, 1, &StdAwk::fnint);
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ADD_FUNC (ASE_T("rand"), 0, 0, &StdAwk::rand);
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ADD_FUNC (ASE_T("srand"), 1, 1, &StdAwk::srand);
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ADD_FUNC (ASE_T("systime"), 0, 0, &StdAwk::systime);
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ADD_FUNC (ASE_T("strftime"), 0, 2, &StdAwk::strftime);
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ADD_FUNC (ASE_T("strfgmtime"), 0, 2, &StdAwk::strfgmtime);
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ADD_FUNC (ASE_T("system"), 1, 1, &StdAwk::system);
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return 0;
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}
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int StdAwk::sin (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::sin(args[0].toReal()));
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}
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int StdAwk::cos (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::cos(args[0].toReal()));
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}
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int StdAwk::tan (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::tan(args[0].toReal()));
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}
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int StdAwk::atan2 (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::atan2(args[0].toReal(), args[1].toReal()));
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}
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int StdAwk::log (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::log(args[0].toReal()));
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}
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int StdAwk::exp (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::exp(args[0].toReal()));
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}
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int StdAwk::sqrt (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((real_t)::sqrt(args[0].toReal()));
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}
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int StdAwk::fnint (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set (args[0].toInt());
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}
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int StdAwk::rand (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((long_t)::rand());
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}
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int StdAwk::srand (Return* ret, const Argument* args, size_t nargs)
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{
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unsigned int prevSeed = seed;
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seed = (unsigned int)args[0].toInt();
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::srand (seed);
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return ret->set ((long_t)prevSeed);
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}
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int StdAwk::systime (Return* ret, const Argument* args, size_t nargs)
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{
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return ret->set ((long_t)::time(NULL));
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}
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int StdAwk::strftime (Return* ret, const Argument* args, size_t nargs)
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{
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const char_t* fmt;
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size_t fln;
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fmt = (nargs < 1)? ASE_T("%c"): args[0].toStr(&fln);
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time_t t = (nargs < 2)? ::time(NULL): (time_t)args[1].toInt();
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char_t buf[128];
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struct tm* tm;
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#ifdef _WIN32
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tm = ::localtime (&t);
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#else
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struct tm tmb;
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tm = ::localtime_r (&t, &tmb);
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#endif
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#ifdef ASE_CHAR_IS_MCHAR
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size_t len = ::strftime (buf, ASE_COUNTOF(buf), fmt, tm);
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#else
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size_t len = ::wcsftime (buf, ASE_COUNTOF(buf), fmt, tm);
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#endif
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return ret->set (buf, len);
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}
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int StdAwk::strfgmtime (Return* ret, const Argument* args, size_t nargs)
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{
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const char_t* fmt;
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size_t fln;
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fmt = (nargs < 1)? ASE_T("%c"): args[0].toStr(&fln);
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time_t t = (nargs < 2)? ::time(NULL): (time_t)args[1].toInt();
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char_t buf[128];
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struct tm* tm;
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#ifdef _WIN32
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tm = ::gmtime (&t);
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#else
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struct tm tmb;
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tm = ::gmtime_r (&t, &tmb);
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#endif
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#ifdef ASE_CHAR_IS_MCHAR
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size_t len = ::strftime (buf, ASE_COUNTOF(buf), fmt, tm);
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#else
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size_t len = ::wcsftime (buf, ASE_COUNTOF(buf), fmt, tm);
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#endif
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return ret->set (buf, len);
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}
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int StdAwk::system (Return* ret, const Argument* args, size_t nargs)
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{
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size_t len;
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const char_t* ptr = args[0].toStr(&len);
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#ifdef _WIN32
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return ret->set ((long_t)::_tsystem(ptr));
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#elif defined(ASE_CHAR_IS_MCHAR)
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return ret->set ((long_t)::system(ptr));
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#else
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char* mbs = (char*)ase_awk_malloc (awk, len*5+1);
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if (mbs == ASE_NULL) return -1;
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::size_t mbl = ::wcstombs (mbs, ptr, len*5);
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if (mbl == (::size_t)-1) return -1;
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mbs[mbl] = '\0';
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int n = ret->set ((long_t)::system(mbs));
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ase_awk_free (awk, mbs);
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return n;
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#endif
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}
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int StdAwk::openPipe (Pipe& io)
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{
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Awk::Pipe::Mode mode = io.getMode();
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FILE* fp = NULL;
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switch (mode)
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{
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case Awk::Pipe::READ:
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fp = ase_popen (io.getName(), ASE_T("r"));
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break;
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case Awk::Pipe::WRITE:
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fp = ase_popen (io.getName(), ASE_T("w"));
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break;
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}
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if (fp == NULL) return -1;
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io.setHandle (fp);
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return 1;
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}
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int StdAwk::closePipe (Pipe& io)
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{
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fclose ((FILE*)io.getHandle());
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return 0;
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}
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StdAwk::ssize_t StdAwk::readPipe (Pipe& io, char_t* buf, size_t len)
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{
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FILE* fp = (FILE*)io.getHandle();
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ssize_t n = 0;
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while (n < (ssize_t)len)
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{
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ase_cint_t c = ase_fgetc (fp);
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if (c == ASE_CHAR_EOF) break;
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buf[n++] = c;
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if (c == ASE_T('\n')) break;
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}
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return n;
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}
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StdAwk::ssize_t StdAwk::writePipe (Pipe& io, char_t* buf, size_t len)
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{
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FILE* fp = (FILE*)io.getHandle();
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size_t left = len;
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while (left > 0)
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{
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if (*buf == ASE_T('\0'))
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{
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#if defined(ASE_CHAR_IS_WCHAR) && defined(__linux)
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if (fputc ('\0', fp) == EOF)
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#else
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if (ase_fputc (*buf, fp) == ASE_CHAR_EOF)
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#endif
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{
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return -1;
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}
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left -= 1; buf += 1;
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}
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else
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{
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#if defined(ASE_CHAR_IS_WCHAR) && defined(__linux)
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// fwprintf seems to return an error with the file
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// pointer opened by popen, as of this writing.
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// anyway, hopefully the following replacement
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// will work all the way.
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int n = fprintf (fp, "%.*ls", left, buf);
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if (n >= 0)
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{
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size_t x;
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for (x = 0; x < left; x++)
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{
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if (buf[x] == ASE_T('\0')) break;
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}
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n = x;
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}
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#else
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int n = ase_fprintf (fp, ASE_T("%.*s"), left, buf);
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#endif
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if (n < 0 || n > (ssize_t)left) return -1;
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left -= n; buf += n;
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}
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}
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return len;
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}
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int StdAwk::flushPipe (Pipe& io)
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{
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return ::fflush ((FILE*)io.getHandle());
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}
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// file io handlers
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int StdAwk::openFile (File& io)
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{
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Awk::File::Mode mode = io.getMode();
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FILE* fp = NULL;
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switch (mode)
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{
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case Awk::File::READ:
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fp = ase_fopen (io.getName(), ASE_T("r"));
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break;
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case Awk::File::WRITE:
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fp = ase_fopen (io.getName(), ASE_T("w"));
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break;
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case Awk::File::APPEND:
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fp = ase_fopen (io.getName(), ASE_T("a"));
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break;
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}
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if (fp == NULL) return -1;
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io.setHandle (fp);
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return 1;
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}
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int StdAwk::closeFile (File& io)
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{
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fclose ((FILE*)io.getHandle());
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return 0;
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}
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StdAwk::ssize_t StdAwk::readFile (File& io, char_t* buf, size_t len)
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{
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FILE* fp = (FILE*)io.getHandle();
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ssize_t n = 0;
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while (n < (ssize_t)len)
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{
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ase_cint_t c = ase_fgetc (fp);
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if (c == ASE_CHAR_EOF) break;
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buf[n++] = c;
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if (c == ASE_T('\n')) break;
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}
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return n;
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}
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StdAwk::ssize_t StdAwk::writeFile (File& io, char_t* buf, size_t len)
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{
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FILE* fp = (FILE*)io.getHandle();
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size_t left = len;
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while (left > 0)
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{
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if (*buf == ASE_T('\0'))
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{
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if (ase_fputc (*buf, fp) == ASE_CHAR_EOF) return -1;
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left -= 1; buf += 1;
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}
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else
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{
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int n = ase_fprintf (fp, ASE_T("%.*s"), left, buf);
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if (n < 0 || n > (ssize_t)left) return -1;
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left -= n; buf += n;
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}
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}
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return len;
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}
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int StdAwk::flushFile (File& io)
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{
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return ::fflush ((FILE*)io.getHandle());
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}
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// memory allocation primitives
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void* StdAwk::allocMem (size_t n)
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{
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return ::malloc (n);
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}
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void* StdAwk::reallocMem (void* ptr, size_t n)
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{
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return ::realloc (ptr, n);
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}
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void StdAwk::freeMem (void* ptr)
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{
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::free (ptr);
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}
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// character class primitives
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StdAwk::bool_t StdAwk::isUpper (cint_t c)
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{
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return ase_isupper (c);
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}
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StdAwk::bool_t StdAwk::isLower (cint_t c)
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{
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return ase_islower (c);
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}
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StdAwk::bool_t StdAwk::isAlpha (cint_t c)
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{
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return ase_isalpha (c);
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}
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StdAwk::bool_t StdAwk::isDigit (cint_t c)
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{
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return ase_isdigit (c);
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}
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StdAwk::bool_t StdAwk::isXdigit (cint_t c)
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{
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return ase_isxdigit (c);
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}
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StdAwk::bool_t StdAwk::isAlnum (cint_t c)
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{
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return ase_isalnum (c);
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}
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StdAwk::bool_t StdAwk::isSpace (cint_t c)
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{
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return ase_isspace (c);
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}
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StdAwk::bool_t StdAwk::isPrint (cint_t c)
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{
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return ase_isprint (c);
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}
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StdAwk::bool_t StdAwk::isGraph (cint_t c)
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{
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return ase_isgraph (c);
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}
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StdAwk::bool_t StdAwk::isCntrl (cint_t c)
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{
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return ase_iscntrl (c);
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}
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StdAwk::bool_t StdAwk::isPunct (cint_t c)
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{
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return ase_ispunct (c);
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}
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StdAwk::cint_t StdAwk::toUpper (cint_t c)
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{
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return ase_toupper (c);
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}
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StdAwk::cint_t StdAwk::toLower (cint_t c)
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{
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return ase_tolower (c);
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}
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// miscellaneous primitive
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StdAwk::real_t StdAwk::pow (real_t x, real_t y)
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{
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return ::pow (x, y);
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}
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int StdAwk::vsprintf (
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char_t* buf, size_t size, const char_t* fmt, va_list arg)
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{
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return ase_vsprintf (buf, size, fmt, arg);
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}
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void StdAwk::vdprintf (const char_t* fmt, va_list arg)
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{
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ase_vfprintf (stderr, fmt, arg);
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}
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}
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