qse/ase/test/awk/awk.c

359 lines
6.6 KiB
C

/*
* $Id: awk.c,v 1.39 2006-06-19 15:43:27 bacon Exp $
*/
#include <xp/awk/awk.h>
#include <stdio.h>
#include <string.h>
#ifdef XP_CHAR_IS_WCHAR
#include <wchar.h>
#endif
#ifndef __STAND_ALONE
#include <xp/bas/stdio.h>
#include <xp/bas/string.h>
#endif
#ifdef _WIN32
#include <tchar.h>
#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);
#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
static xp_ssize_t process_source (
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_char_t c;
switch (cmd)
{
case XP_AWK_INPUT_OPEN:
case XP_AWK_INPUT_CLOSE:
case XP_AWK_INPUT_NEXT:
{
return 0;
}
case XP_AWK_INPUT_DATA:
{
if (size <= 0) return -1;
#ifdef XP_CHAR_IS_MCHAR
c = fgetc (stdin);
#else
c = fgetwc (stdin);
#endif
if (c == XP_CHAR_EOF) return 0;
*data = c;
return 1;
}
case XP_AWK_OUTPUT_OPEN:
case XP_AWK_OUTPUT_CLOSE:
case XP_AWK_OUTPUT_NEXT:
case XP_AWK_OUTPUT_DATA:
{
return 0;
}
}
return -1;
}
struct data_io
{
const char* input_file;
FILE* input_handle;
};
static xp_ssize_t process_data (
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
struct data_io* io = (struct data_io*)arg;
xp_char_t c;
switch (cmd)
{
case XP_AWK_INPUT_OPEN:
{
io->input_handle = fopen (io->input_file, "r");
if (io->input_handle == NULL) return -1;
return 0;
}
case XP_AWK_INPUT_CLOSE:
{
fclose (io->input_handle);
io->input_handle = NULL;
return 0;
}
case XP_AWK_INPUT_NEXT:
{
/* input switching not supported for the time being... */
return -1;
}
case XP_AWK_INPUT_DATA:
{
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;
}
case XP_AWK_OUTPUT_OPEN:
case XP_AWK_OUTPUT_CLOSE:
case XP_AWK_OUTPUT_NEXT:
case XP_AWK_OUTPUT_DATA:
{
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_INPUT_OPEN:
{
FILE* handle;
handle = _tpopen (epa->name, XP_T("r"));
if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 0;
}
case XP_AWK_INPUT_CLOSE:
{
fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
case XP_AWK_INPUT_DATA:
{
if (_fgetts (data, size, epa->handle) == XP_NULL)
return 0;
return xp_strlen(data);
}
case XP_AWK_INPUT_NEXT:
{
return -1;
}
case XP_AWK_OUTPUT_OPEN:
case XP_AWK_OUTPUT_CLOSE:
case XP_AWK_OUTPUT_DATA:
case XP_AWK_OUTPUT_NEXT:
{
return -1;
}
default:
{
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_INPUT_OPEN:
{
FILE* handle;
handle = _tfopen (epa->name, XP_T("r"));
if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 0;
}
case XP_AWK_INPUT_CLOSE:
{
fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
case XP_AWK_INPUT_DATA:
{
if (_fgetts (data, size, epa->handle) == XP_NULL)
return 0;
return xp_strlen(data);
}
case XP_AWK_INPUT_NEXT:
{
return -1;
}
case XP_AWK_OUTPUT_OPEN:
case XP_AWK_OUTPUT_CLOSE:
case XP_AWK_OUTPUT_DATA:
case XP_AWK_OUTPUT_NEXT:
{
return -1;
}
default:
{
return -1;
}
}
}
#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;
struct data_io data_io = { "awk.in", NULL };
if ((awk = xp_awk_open()) == XP_NULL)
{
xp_printf (XP_T("Error: cannot open awk\n"));
return -1;
}
if (xp_awk_attsrc(awk, process_source, XP_NULL) == -1)
{
xp_awk_close (awk);
xp_printf (XP_T("Error: cannot attach source\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;
}
xp_awk_setparseopt (awk,
XP_AWK_EXPLICIT | XP_AWK_UNIQUE |
XP_AWK_SHADING | XP_AWK_IMPLICIT | XP_AWK_SHIFT | XP_AWK_EXTIO);
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_setrunopt (awk, XP_AWK_RUNMAIN);
}
}
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\n"),
(unsigned int)xp_awk_getsrcline(awk),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#else
xp_printf (
XP_T("error: cannot parse program - line %u [%d] %s\n"),
(unsigned int)xp_awk_getsrcline(awk),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#endif
xp_awk_close (awk);
return -1;
}
if (xp_awk_run (awk, process_data, (void*)&data_io) == -1)
{
#if defined(__STAND_ALONE) && !defined(_WIN32) && defined(XP_CHAR_IS_WCHAR)
xp_printf (
XP_T("error: cannot run program - [%d] %ls\n"),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#else
xp_printf (
XP_T("error: cannot run program - [%d] %s\n"),
xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
#endif
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;
}