qse/ase/test/awk/awk.c

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/*
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* $Id: awk.c,v 1.50 2006-06-30 06:16:57 bacon Exp $
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*/
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#include <xp/awk/awk.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef XP_CHAR_IS_WCHAR
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#include <wchar.h>
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#endif
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#ifndef __STAND_ALONE
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#include <xp/bas/stdio.h>
#include <xp/bas/string.h>
#include <xp/bas/sysapi.h>
#else
#include <limits.h>
#ifndef PATH_MAX
#define XP_PATH_MAX 4096
#else
#define XP_PATH_MAX PATH_MAX
#endif
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#endif
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#ifdef _WIN32
#include <tchar.h>
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#pragma warning (disable: 4996)
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#endif
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#ifdef __STAND_ALONE
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#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);
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#define xp_strlen xp_awk_strlen
extern int xp_awk_strlen (const xp_char_t* s);
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#endif
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#if defined(_WIN32) && defined(__STAND_ALONE) && defined(_DEBUG)
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif
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#if defined(__linux) && defined(_DEBUG)
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#include <mcheck.h>
#endif
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struct src_io
{
const xp_char_t* input_file;
FILE* input_handle;
};
struct data_io
{
const char* input_file;
FILE* input_handle;
};
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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 (
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path, path_mb, xp_countof(path_mb)) == -1) return XP_NULL;
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if (xp_wcstomcs_strict (
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mode, mode_mb, xp_countof(mode_mb)) == -1) return XP_NULL;
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#endif
return fopen (path_mb, mode_mb);
#endif
}
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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
}
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#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
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static xp_ssize_t process_source (
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int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
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{
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struct src_io* src_io = (struct src_io*)arg;
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xp_char_t c;
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switch (cmd)
{
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case XP_AWK_IO_OPEN:
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{
if (src_io->input_file == XP_NULL) return 0;
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src_io->input_handle = fopen_t (src_io->input_file, XP_T("r"));
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if (src_io->input_handle == NULL) return -1;
return 0;
}
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case XP_AWK_IO_CLOSE:
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{
if (src_io->input_file == XP_NULL) return 0;
fclose ((FILE*)src_io->input_handle);
return 0;
}
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case XP_AWK_IO_NEXT:
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{
return 0;
}
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case XP_AWK_IO_READ:
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{
if (size <= 0) return -1;
#ifdef XP_CHAR_IS_MCHAR
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c = fgetc ((FILE*)src_io->input_handle);
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#else
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c = fgetwc ((FILE*)src_io->input_handle);
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#endif
if (c == XP_CHAR_EOF) return 0;
*data = c;
return 1;
}
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case XP_AWK_IO_WRITE:
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{
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xp_printf (XP_T("XP_AWK_IO_WRITE CALLED FOR SOURCE\n"));
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return -1;
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}
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}
return -1;
}
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static xp_ssize_t process_data (
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int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
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{
struct data_io* io = (struct data_io*)arg;
xp_char_t c;
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switch (cmd)
{
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case XP_AWK_IO_OPEN:
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{
io->input_handle = fopen (io->input_file, "r");
if (io->input_handle == NULL) return -1;
return 0;
}
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case XP_AWK_IO_CLOSE:
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{
fclose (io->input_handle);
io->input_handle = NULL;
return 0;
}
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case XP_AWK_IO_READ:
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{
if (size <= 0) return -1;
#ifdef XP_CHAR_IS_MCHAR
c = fgetc (io->input_handle);
#else
c = fgetwc (io->input_handle);
#endif
if (c == XP_CHAR_EOF) return 0;
*data = c;
return 1;
}
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case XP_AWK_IO_WRITE:
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{
return -1;
}
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case XP_AWK_IO_NEXT:
{
/* input switching not supported for the time being... */
return -1;
}
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}
return -1;
}
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static xp_ssize_t process_extio_pipe (
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int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
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{
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xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
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switch (cmd)
{
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case XP_AWK_IO_OPEN:
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{
FILE* handle;
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const xp_char_t* mode;
if (opt == XP_AWK_IO_PIPE_READ)
mode = XP_T("r");
else if (opt == XP_AWK_IO_PIPE_WRITE)
mode = XP_T("w");
else return -1; /* TODO: any way to set the error number? */
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xp_printf (XP_TEXT("opending %s of type %d (pipe)\n"), epa->name, epa->type);
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handle = popen_t (epa->name, mode);
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if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 0;
}
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case XP_AWK_IO_CLOSE:
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{
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xp_printf (XP_TEXT("closing %s of type (pipe) %d\n"), epa->name, epa->type);
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fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
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case XP_AWK_IO_READ:
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{
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if (fgets_t (data, size, (FILE*)epa->handle) == XP_NULL)
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return 0;
return xp_strlen(data);
}
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case XP_AWK_IO_WRITE:
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{
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/*
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if (fputs_t (data, size, (FILE*)epa->handle) == XP_NULL)
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return 0;
return size;
*/
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return -1;
}
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case XP_AWK_IO_NEXT:
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{
return -1;
}
}
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return -1;
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}
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static xp_ssize_t process_extio_file (
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int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
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{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
switch (cmd)
{
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case XP_AWK_IO_OPEN:
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{
FILE* handle;
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const xp_char_t* mode;
if (opt == XP_AWK_IO_FILE_READ)
mode = XP_T("r");
else if (opt == XP_AWK_IO_FILE_WRITE)
mode = XP_T("w");
else if (opt == XP_AWK_IO_FILE_APPEND)
mode = XP_T("a");
else return -1; /* TODO: any way to set the error number? */
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xp_printf (XP_TEXT("opending %s of type %d (file)\n"), epa->name, epa->type);
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handle = fopen_t (epa->name, mode);
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if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 0;
}
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case XP_AWK_IO_CLOSE:
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{
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xp_printf (XP_TEXT("closing %s of type %d (file)\n"), epa->name, epa->type);
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fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
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case XP_AWK_IO_READ:
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{
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if (fgets_t (data, size, (FILE*)epa->handle) == XP_NULL)
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return 0;
return xp_strlen(data);
}
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case XP_AWK_IO_WRITE:
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{
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/* TODO: how to return error or 0 */
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fputs_t (data, /*size,*/ (FILE*)epa->handle);
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return -1;
}
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case XP_AWK_IO_NEXT:
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{
return -1;
}
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}
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return -1;
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}
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static xp_ssize_t process_extio_console (
int cmd, int opt, 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:
{
/* TODO: OpenConsole in GUI APPLICATION */
/* opt: XP_AWK_IO_CONSOLE_READ,
* XP_AWK_IO_CONSOLE_WRITE */
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xp_printf (XP_TEXT("opening [%s] of type %d (console)\n"), epa->name, epa->type);
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if (opt == XP_AWK_IO_CONSOLE_READ)
epa->handle = stdin;
else if (opt == XP_AWK_IO_CONSOLE_WRITE)
epa->handle = stdout;
else return -1;
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return 0;
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}
case XP_AWK_IO_CLOSE:
{
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xp_printf (XP_TEXT("closing [%s] of type %d (console)\n"), epa->name, epa->type);
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/* TODO: CloseConsole in GUI APPLICATION */
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return 0;
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}
case XP_AWK_IO_READ:
{
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if (fgets_t (data, size, (FILE*)epa->handle) == XP_NULL)
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/*if (fgets_t (data, size, stdin) == XP_NULL)*/
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{
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return 0;
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}
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return xp_strlen(data);
}
case XP_AWK_IO_WRITE:
{
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/* TODO: how to return error or 0 */
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fputs_t (data, /*size,*/ (FILE*)epa->handle);
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/*fputs_t (data, stdout);*/
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return size;
}
case XP_AWK_IO_NEXT:
{
return -1;
}
}
return -1;
}
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#if defined(__STAND_ALONE) && !defined(_WIN32)
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static int __main (int argc, char* argv[])
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#else
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static int __main (int argc, xp_char_t* argv[])
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#endif
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{
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xp_awk_t* awk;
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struct data_io data_io = { "awk.in", NULL };
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struct src_io src_io = { NULL, NULL };
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if ((awk = xp_awk_open()) == XP_NULL)
{
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xp_printf (XP_T("Error: cannot open awk\n"));
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return -1;
}
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/* TODO: */
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if (xp_awk_setextio (awk,
XP_AWK_EXTIO_PIPE, process_extio_pipe, XP_NULL) == -1)
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{
xp_awk_close (awk);
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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)
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{
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)
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{
xp_awk_close (awk);
xp_printf (XP_T("Error: cannot set extio file\n"));
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return -1;
}
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xp_awk_setparseopt (awk,
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XP_AWK_EXPLICIT | XP_AWK_UNIQUE | XP_AWK_DBLSLASHES |
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XP_AWK_SHADING | XP_AWK_IMPLICIT | XP_AWK_SHIFT | XP_AWK_EXTIO);
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if (argc == 2)
{
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#if defined(__STAND_ALONE) && !defined(_WIN32)
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if (strcmp(argv[1], "-m") == 0)
#else
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if (xp_strcmp(argv[1], XP_T("-m")) == 0)
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#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)
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#endif
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{
xp_awk_setrunopt (awk, XP_AWK_RUNMAIN);
}
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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;
}
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;
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}
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if (xp_awk_parse(awk) == -1)
{
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#if defined(__STAND_ALONE) && !defined(_WIN32) && defined(XP_CHAR_IS_WCHAR)
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xp_printf (
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XP_T("error: cannot parse program - line %u [%d] %ls\n"),
(unsigned int)xp_awk_getsrcline(awk),
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xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#else
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xp_printf (
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XP_T("error: cannot parse program - line %u [%d] %s\n"),
(unsigned int)xp_awk_getsrcline(awk),
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xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
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#endif
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xp_awk_close (awk);
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return -1;
}
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if (xp_awk_run (awk, process_data, (void*)&data_io) == -1)
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{
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#if defined(__STAND_ALONE) && !defined(_WIN32) && defined(XP_CHAR_IS_WCHAR)
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xp_printf (
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XP_T("error: cannot run program - [%d] %ls\n"),
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xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#else
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xp_printf (
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XP_T("error: cannot run program - [%d] %s\n"),
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xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
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#endif
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xp_awk_close (awk);
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return -1;
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}
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xp_awk_close (awk);
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return 0;
}
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#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;
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#if defined(__linux) && defined(_DEBUG)
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mtrace ();
#endif
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/*#if defined(_WIN32) && defined(__STAND_ALONE) && defined(_DEBUG)
_CrtSetDbgFlag (_CRTDBG_LEAK_CHECK_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF);
#endif*/
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n = __main (argc, argv);
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#if defined(__linux) && defined(_DEBUG)
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muntrace ();
#endif
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#if defined(_WIN32) && defined(__STAND_ALONE) && defined(_DEBUG)
_CrtDumpMemoryLeaks ();
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wprintf (L"Press ENTER to quit\n");
getchar ();
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#endif
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return n;
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}
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