qse/ase/test/awk/awk.c

692 lines
14 KiB
C

/*
* $Id: awk.c,v 1.65 2006-08-04 17:02:02 bacon Exp $
*/
#include <xp/awk/awk.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#ifdef XP_CHAR_IS_WCHAR
#include <wchar.h>
#endif
#ifndef __STAND_ALONE
#include <xp/bas/stdio.h>
#include <xp/bas/string.h>
#include <xp/bas/memory.h>
#include <xp/bas/sysapi.h>
#include <xp/bas/assert.h>
#else
#include <limits.h>
#ifndef PATH_MAX
#define XP_PATH_MAX 4096
#else
#define XP_PATH_MAX PATH_MAX
#endif
#endif
#ifdef _WIN32
#include <windows.h>
#include <tchar.h>
#pragma warning (disable: 4996)
#endif
#ifdef __STAND_ALONE
#define xp_printf xp_awk_printf
extern int xp_awk_printf (const xp_char_t* fmt, ...);
#define xp_strcmp xp_awk_strcmp
extern int xp_awk_strcmp (const xp_char_t* s1, const xp_char_t* s2);
#define xp_strlen xp_awk_strlen
extern int xp_awk_strlen (const xp_char_t* s);
#include <assert.h>
#define xp_assert assert
#include <stdlib.h>
#define xp_malloc malloc
#define xp_free free
#endif
#if defined(_WIN32) && defined(__STAND_ALONE) && defined(_DEBUG)
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif
#if defined(__linux) && defined(_DEBUG)
#include <mcheck.h>
#endif
struct src_io
{
const xp_char_t* input_file;
FILE* input_handle;
};
static FILE* fopen_t (const xp_char_t* path, const xp_char_t* mode)
{
#ifdef _WIN32
return _tfopen (path, mode);
#else
#ifdef XP_CHAR_IS_MCHAR
const xp_mchar_t* path_mb;
const xp_mchar_t* mode_mb;
#else
xp_mchar_t path_mb[XP_PATH_MAX + 1];
xp_mchar_t mode_mb[32];
#endif
#ifdef XP_CHAR_IS_MCHAR
path_mb = path;
mode_mb = mode;
#else
if (xp_wcstomcs_strict (
path, path_mb, xp_countof(path_mb)) == -1) return XP_NULL;
if (xp_wcstomcs_strict (
mode, mode_mb, xp_countof(mode_mb)) == -1) return XP_NULL;
#endif
return fopen (path_mb, mode_mb);
#endif
}
static FILE* popen_t (const xp_char_t* cmd, const xp_char_t* mode)
{
#ifdef _WIN32
return _tpopen (cmd, mode);
#else
#ifdef XP_CHAR_IS_MCHAR
const xp_mchar_t* cmd_mb;
const xp_mchar_t* mode_mb;
#else
xp_mchar_t cmd_mb[2048];
xp_mchar_t mode_mb[32];
#endif
#ifdef XP_CHAR_IS_MCHAR
cmd_mb = cmd;
mode_mb = mode;
#else
if (xp_wcstomcs_strict (
cmd, cmd_mb, xp_countof(cmd_mb)) == -1) return XP_NULL;
if (xp_wcstomcs_strict (
mode, mode_mb, xp_countof(mode_mb)) == -1) return XP_NULL;
#endif
return popen (cmd_mb, mode_mb);
#endif
}
#ifdef WIN32
#define fgets_t _fgetts
#define fputs_t _fputts
#else
#ifdef XP_CHAR_IS_MCHAR
#define fgets_t fgets
#define fputs_t fputs
#else
#define fgets_t fgetws
#define fputs_t fputws
#endif
#endif
static xp_ssize_t process_source (
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
struct src_io* src_io = (struct src_io*)arg;
xp_char_t c;
switch (cmd)
{
case XP_AWK_IO_OPEN:
{
if (src_io->input_file == XP_NULL) return 0;
src_io->input_handle = fopen_t (src_io->input_file, XP_T("r"));
if (src_io->input_handle == NULL) return -1;
return 1;
}
case XP_AWK_IO_CLOSE:
{
if (src_io->input_file == XP_NULL) return 0;
fclose ((FILE*)src_io->input_handle);
return 0;
}
case XP_AWK_IO_NEXT:
{
return 0;
}
case XP_AWK_IO_READ:
{
if (size <= 0) return -1;
#ifdef XP_CHAR_IS_MCHAR
c = fgetc ((FILE*)src_io->input_handle);
#else
c = fgetwc ((FILE*)src_io->input_handle);
#endif
if (c == XP_CHAR_EOF) return 0;
*data = c;
return 1;
}
case XP_AWK_IO_WRITE:
{
xp_printf (XP_T("XP_AWK_IO_WRITE CALLED FOR SOURCE\n"));
return -1;
}
}
return -1;
}
static xp_ssize_t process_extio_pipe (
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
switch (cmd)
{
case XP_AWK_IO_OPEN:
{
FILE* handle;
const xp_char_t* mode;
if (epa->mode == XP_AWK_IO_PIPE_READ)
mode = XP_T("r");
else if (epa->mode == XP_AWK_IO_PIPE_WRITE)
mode = XP_T("w");
else return -1; /* TODO: any way to set the error number? */
xp_printf (XP_TEXT("opending %s of type %d (pipe)\n"), epa->name, epa->type);
handle = popen_t (epa->name, mode);
if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 1;
}
case XP_AWK_IO_CLOSE:
{
xp_printf (XP_TEXT("closing %s of type (pipe) %d\n"), epa->name, epa->type);
fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
case XP_AWK_IO_READ:
{
if (fgets_t (data, size, (FILE*)epa->handle) == XP_NULL)
return 0;
return xp_strlen(data);
}
case XP_AWK_IO_WRITE:
{
/*
if (fputs_t (data, size, (FILE*)epa->handle) == XP_NULL)
return 0;
return size;
*/
return -1;
}
case XP_AWK_IO_NEXT:
{
return -1;
}
}
return -1;
}
static xp_ssize_t process_extio_file (
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
switch (cmd)
{
case XP_AWK_IO_OPEN:
{
FILE* handle;
const xp_char_t* mode;
if (epa->mode == XP_AWK_IO_FILE_READ)
mode = XP_T("r");
else if (epa->mode == XP_AWK_IO_FILE_WRITE)
mode = XP_T("w");
else if (epa->mode == XP_AWK_IO_FILE_APPEND)
mode = XP_T("a");
else return -1; /* TODO: any way to set the error number? */
xp_printf (XP_TEXT("opending %s of type %d (file)\n"), epa->name, epa->type);
handle = fopen_t (epa->name, mode);
if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 1;
}
case XP_AWK_IO_CLOSE:
{
xp_printf (XP_TEXT("closing %s of type %d (file)\n"), epa->name, epa->type);
fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
case XP_AWK_IO_READ:
{
if (fgets_t (data, size, (FILE*)epa->handle) == XP_NULL)
return 0;
return xp_strlen(data);
}
case XP_AWK_IO_WRITE:
{
/* TODO: how to return error or 0 */
fputs_t (data, /*size,*/ (FILE*)epa->handle);
return -1;
}
case XP_AWK_IO_NEXT:
{
return -1;
}
}
return -1;
}
static int open_extio_console (xp_awk_extio_t* epa);
static int close_extio_console (xp_awk_extio_t* epa);
static int next_extio_console (xp_awk_extio_t* epa);
static const xp_char_t* infiles[] =
{
//XP_T(""),
XP_T("awk.in"),
XP_NULL
};
static xp_size_t infile_no = 0;
static xp_ssize_t process_extio_console (
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
if (cmd == XP_AWK_IO_OPEN)
{
return open_extio_console (epa);
}
else if (cmd == XP_AWK_IO_CLOSE)
{
return close_extio_console (epa);
}
else if (cmd == XP_AWK_IO_READ)
{
while (fgets_t (data, size, epa->handle) == XP_NULL)
{
/* it has reached the end of the current file.
* open the next file if available */
if (infiles[infile_no] == XP_NULL)
{
/* no more input console */
/* is this correct??? */
/*
if (epa->handle != XP_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr) fclose (epa->handle);
epa->handle = XP_NULL;
*/
return 0;
}
if (infiles[infile_no][0] == XP_T('\0'))
{
if (epa->handle != XP_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr) fclose (epa->handle);
epa->handle = stdin;
}
else
{
FILE* fp = fopen_t (infiles[infile_no], XP_T("r"));
if (fp == XP_NULL)
{
xp_printf (XP_TEXT("failed to open the next console of type %x - fopen failure\n"), epa->type);
return -1;
}
if (epa->handle != XP_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr) fclose (epa->handle);
xp_printf (XP_TEXT("open the next console [%s]\n"), infiles[infile_no]);
epa->handle = fp;
}
infile_no++;
}
return xp_strlen(data);
}
else if (cmd == XP_AWK_IO_WRITE)
{
/* TODO: how to return error or 0 */
fputs_t (data, /*size,*/ (FILE*)epa->handle);
/*MessageBox (NULL, data, data, MB_OK);*/
return size;
}
else if (cmd == XP_AWK_IO_NEXT)
{
return next_extio_console (epa);
}
return -1;
}
static int open_extio_console (xp_awk_extio_t* epa)
{
/* TODO: OpenConsole in GUI APPLICATION */
/* epa->name is always empty for console */
xp_assert (epa->name[0] == XP_T('\0'));
xp_printf (XP_TEXT("opening console[%s] of type %x\n"), epa->name, epa->type);
if (epa->mode == XP_AWK_IO_CONSOLE_READ)
{
if (infiles[infile_no] == XP_NULL)
{
/* no more input file */
xp_printf (XP_TEXT("console - no more file\n"));;
return 0;
}
if (infiles[infile_no][0] == XP_T('\0'))
{
xp_printf (XP_T(" console(r) - <standard input>\n"));
epa->handle = stdin;
}
else
{
/* a temporary variable fp is used here not to change
* any fields of epa when the open operation fails */
FILE* fp = fopen_t (infiles[infile_no], XP_T("r"));
if (fp == XP_NULL)
{
xp_printf (XP_TEXT("failed to open console of type %x - fopen failure\n"), epa->type);
return -1;
}
xp_printf (XP_T(" console(r) - %s\n"), infiles[infile_no]);
epa->handle = fp;
}
infile_no++;
return 1;
}
else if (epa->mode == XP_AWK_IO_CONSOLE_WRITE)
{
xp_printf (XP_T(" console(w) - <standard output>\n"));
epa->handle = stdout;
return 1;
}
return -1;
}
static int close_extio_console (xp_awk_extio_t* epa)
{
xp_printf (XP_TEXT("closing console of type %x\n"), epa->type);
if (epa->handle != XP_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr)
{
fclose (epa->handle);
}
/* TODO: CloseConsole in GUI APPLICATION */
return 0;
}
static int next_extio_console (xp_awk_extio_t* epa)
{
int n;
FILE* fp = epa->handle;
xp_printf (XP_TEXT("switching console[%s] of type %x\n"), epa->name, epa->type);
n = open_extio_console(epa);
if (n == -1) return -1;
if (n == 0)
{
/* if there is no more file, keep the previous handle */
return 0;
}
if (fp != XP_NULL && fp != stdin &&
fp != stdout && fp != stderr) fclose (fp);
return n;
}
xp_awk_t* app_awk = NULL;
void* app_run = NULL;
static void __stop_run (int sig)
{
signal (SIGINT, SIG_IGN);
xp_awk_stop (app_awk, app_run);
//xp_awk_stoprun (awk, handle);
/*xp_awk_stopallruns (awk); */
signal (SIGINT, __stop_run);
}
static void __on_run_start (xp_awk_t* awk, void* handle)
{
app_awk = awk;
app_run = handle;
xp_printf (XP_T("AWK PRORAM ABOUT TO START...\n"));
}
static void __on_run_end (xp_awk_t* awk, void* handle)
{
app_awk = NULL;
app_run = NULL;
xp_printf (XP_T("AWK PRORAM ABOUT TO END...\n"));
}
#if defined(__STAND_ALONE) && !defined(_WIN32)
static int __main (int argc, char* argv[])
#else
static int __main (int argc, xp_char_t* argv[])
#endif
{
xp_awk_t* awk;
xp_awk_runcb_t runcb;
struct src_io src_io = { NULL, NULL };
int opt;
if ((awk = xp_awk_open()) == XP_NULL)
{
xp_printf (XP_T("Error: cannot open awk\n"));
return -1;
}
/* TODO: */
if (xp_awk_setextio (awk,
XP_AWK_EXTIO_PIPE, process_extio_pipe, XP_NULL) == -1)
{
xp_awk_close (awk);
xp_printf (XP_T("Error: cannot set extio pipe\n"));
return -1;
}
/* TODO: */
if (xp_awk_setextio (awk,
XP_AWK_EXTIO_FILE, process_extio_file, XP_NULL) == -1)
{
xp_awk_close (awk);
xp_printf (XP_T("Error: cannot set extio file\n"));
return -1;
}
if (xp_awk_setextio (awk,
XP_AWK_EXTIO_CONSOLE, process_extio_console, XP_NULL) == -1)
{
xp_awk_close (awk);
xp_printf (XP_T("Error: cannot set extio file\n"));
return -1;
}
opt = XP_AWK_EXPLICIT | XP_AWK_UNIQUE | XP_AWK_DBLSLASHES |
XP_AWK_SHADING | XP_AWK_IMPLICIT | XP_AWK_SHIFT |
XP_AWK_EXTIO | XP_AWK_BLOCKLESS;
if (argc == 2)
{
#if defined(__STAND_ALONE) && !defined(_WIN32)
if (strcmp(argv[1], "-m") == 0)
#else
if (xp_strcmp(argv[1], XP_T("-m")) == 0)
#endif
{
xp_awk_close (awk);
xp_printf (XP_T("Usage: %s [-m] source_file\n"), argv[0]);
return -1;
}
src_io.input_file = argv[1];
}
else if (argc == 3)
{
#if defined(__STAND_ALONE) && !defined(_WIN32)
if (strcmp(argv[1], "-m") == 0)
#else
if (xp_strcmp(argv[1], XP_T("-m")) == 0)
#endif
{
opt |= XP_AWK_RUNMAIN;
}
else
{
xp_awk_close (awk);
xp_printf (XP_T("Usage: %s [-m] source_file\n"), argv[0]);
return -1;
}
src_io.input_file = argv[2];
}
else
{
xp_awk_close (awk);
xp_printf (XP_T("Usage: %s [-m] source_file\n"), argv[0]);
return -1;
}
xp_awk_setopt (awk, opt);
if (xp_awk_attsrc(awk, process_source, (void*)&src_io) == -1)
{
xp_awk_close (awk);
xp_printf (XP_T("Error: cannot attach source\n"));
return -1;
}
if (xp_awk_parse(awk) == -1)
{
#if defined(__STAND_ALONE) && !defined(_WIN32) && defined(XP_CHAR_IS_WCHAR)
xp_printf (
XP_T("ERROR: cannot parse program - line %u [%d] %ls"),
(unsigned int)xp_awk_getsrcline(awk),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
if (xp_awk_getsuberrnum(awk) != XP_AWK_ENOERR)
{
xp_printf (XP_T(" - %ls\n"), xp_awk_getsuberrstr(awk));
}
#else
xp_printf (
XP_T("ERROR: cannot parse program - line %u [%d] %s"),
(unsigned int)xp_awk_getsrcline(awk),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
if (xp_awk_getsuberrnum(awk) != XP_AWK_ENOERR)
{
xp_printf (XP_T(" - %s\n"), xp_awk_getsuberrstr(awk));
}
#endif
xp_printf (XP_T("\n"));
xp_awk_close (awk);
return -1;
}
signal (SIGINT, __stop_run);
runcb.start = __on_run_start;
runcb.end = __on_run_end;
if (xp_awk_run (awk, &runcb) == -1)
{
#if defined(__STAND_ALONE) && !defined(_WIN32) && defined(XP_CHAR_IS_WCHAR)
xp_printf (
XP_T("error: cannot run program - [%d] %ls"),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#else
xp_printf (
XP_T("error: cannot run program - [%d] %s"),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#endif
if (xp_awk_getsuberrnum(awk) != XP_AWK_ENOERR)
{
xp_printf (XP_T(" - %ls\n"), xp_awk_getsuberrstr(awk));
}
xp_printf (XP_T("\n"));
xp_awk_close (awk);
return -1;
}
xp_awk_close (awk);
return 0;
}
#if defined(__STAND_ALONE) && !defined(_WIN32)
int main (int argc, char* argv[])
#else
int xp_main (int argc, xp_char_t* argv[])
#endif
{
int n;
#if defined(__linux) && defined(_DEBUG)
mtrace ();
#endif
/*#if defined(_WIN32) && defined(__STAND_ALONE) && defined(_DEBUG)
_CrtSetDbgFlag (_CRTDBG_LEAK_CHECK_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF);
#endif*/
n = __main (argc, argv);
#if defined(__linux) && defined(_DEBUG)
muntrace ();
#endif
#if defined(_WIN32) && defined(__STAND_ALONE) && defined(_DEBUG)
_CrtDumpMemoryLeaks ();
wprintf (L"Press ENTER to quit\n");
getchar ();
#endif
return n;
}