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This commit is contained in:
hyung-hwan 2006-07-28 10:34:22 +00:00
parent 0b24eb8534
commit e106111984
7 changed files with 384 additions and 246 deletions
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7
ase/awk/awk.c
View File

@ -1,5 +1,5 @@
/*
* $Id: awk.c,v 1.60 2006-07-26 05:19:44 bacon Exp $
* $Id: awk.c,v 1.61 2006-07-28 10:34:21 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -170,7 +170,7 @@ int xp_awk_attsrc (xp_awk_t* awk, xp_awk_io_t handler, void* arg)
if (xp_awk_detsrc(awk) == -1) return -1;
xp_assert (awk->srcio == XP_NULL);
if (handler (XP_AWK_IO_OPEN, 0, arg, XP_NULL, 0) == -1)
if (handler (XP_AWK_IO_OPEN, arg, XP_NULL, 0) == -1)
{
awk->errnum = XP_AWK_ESRCINOPEN;
return -1;
@ -193,8 +193,7 @@ int xp_awk_detsrc (xp_awk_t* awk)
{
xp_ssize_t n;
n = awk->srcio (
XP_AWK_IO_CLOSE, 0, awk->srcio_arg, XP_NULL, 0);
n = awk->srcio (XP_AWK_IO_CLOSE, awk->srcio_arg, XP_NULL, 0);
if (n == -1)
{
awk->errnum = XP_AWK_ESRCINCLOSE;

9
ase/awk/awk.h
View File

@ -1,5 +1,5 @@
/*
* $Id: awk.h,v 1.82 2006-07-27 16:50:28 bacon Exp $
* $Id: awk.h,v 1.83 2006-07-28 10:34:21 bacon Exp $
*/
#ifndef _XP_AWK_AWK_H_
@ -14,13 +14,14 @@ typedef struct xp_awk_extio_t xp_awk_extio_t;
typedef struct xp_awk_rex_t xp_awk_rex_t;
typedef xp_ssize_t (*xp_awk_io_t) (
int cmd, int opt, void* arg, xp_char_t* data, xp_size_t count);
int cmd, void* arg, xp_char_t* data, xp_size_t count);
struct xp_awk_extio_t
{
int type;
int type; /* console, file, coproc, pipe */
int mode; /* read, write, etc */
xp_char_t* name;
void* handle;
/* input buffer */

251
ase/awk/extio.c
View File

@ -1,5 +1,5 @@
/*
* $Id: extio.c,v 1.20 2006-07-27 16:50:28 bacon Exp $
* $Id: extio.c,v 1.21 2006-07-28 10:34:21 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -19,6 +19,64 @@ enum
__MASK_CLEAR = 0x00FF
};
static int __in_type_map[] =
{
/* the order should match the order of the
* XP_AWK_IN_XXX values in tree.h */
XP_AWK_EXTIO_PIPE,
XP_AWK_EXTIO_COPROC,
XP_AWK_EXTIO_FILE,
XP_AWK_EXTIO_CONSOLE
};
static int __in_mode_map[] =
{
/* the order should match the order of the
* XP_AWK_IN_XXX values in tree.h */
XP_AWK_IO_PIPE_READ,
0,
XP_AWK_IO_FILE_READ,
XP_AWK_IO_CONSOLE_READ
};
static int __in_mask_map[] =
{
__MASK_READ,
__MASK_RDWR,
__MASK_READ,
__MASK_READ
};
static int __out_type_map[] =
{
/* the order should match the order of the
* XP_AWK_OUT_XXX values in tree.h */
XP_AWK_EXTIO_PIPE,
XP_AWK_EXTIO_COPROC,
XP_AWK_EXTIO_FILE,
XP_AWK_EXTIO_FILE,
XP_AWK_EXTIO_CONSOLE
};
static int __out_mode_map[] =
{
/* the order should match the order of the
* XP_AWK_OUT_XXX values in tree.h */
XP_AWK_IO_PIPE_WRITE,
0,
XP_AWK_IO_FILE_WRITE,
XP_AWK_IO_FILE_APPEND,
XP_AWK_IO_CONSOLE_WRITE
};
static int __out_mask_map[] =
{
__MASK_WRITE,
__MASK_RDWR,
__MASK_WRITE,
__MASK_WRITE,
__MASK_WRITE
};
int xp_awk_readextio (
xp_awk_run_t* run, int in_type,
@ -26,43 +84,15 @@ int xp_awk_readextio (
{
xp_awk_extio_t* p = run->extio;
xp_awk_io_t handler;
int extio_type, extio_opt, extio_mask;
static int __in_type_map[] =
{
/* the order should match the order of the
* XP_AWK_IN_XXX values in tree.h */
XP_AWK_EXTIO_PIPE,
XP_AWK_EXTIO_COPROC,
XP_AWK_EXTIO_FILE,
XP_AWK_EXTIO_CONSOLE
};
static int __in_opt_map[] =
{
/* the order should match the order of the
* XP_AWK_IN_XXX values in tree.h */
XP_AWK_IO_PIPE_READ,
0,
XP_AWK_IO_FILE_READ,
XP_AWK_IO_CONSOLE_READ
};
static int __in_mask_map[] =
{
__MASK_READ,
__MASK_RDWR,
__MASK_READ,
__MASK_READ
};
int extio_type, extio_mode, extio_mask, n;
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_type_map));
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_opt_map));
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_mode_map));
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_mask_map));
/* translate the in_type into the relevant extio type and option */
/* translate the in_type into the relevant extio type and mode */
extio_type = __in_type_map[in_type];
extio_opt = __in_opt_map[in_type];
extio_mode = __in_mode_map[in_type];
extio_mask = __in_mask_map[in_type];
handler = run->awk->extio[extio_type];
@ -98,6 +128,7 @@ int xp_awk_readextio (
}
p->type = (extio_type | extio_mask);
p->mode = extio_mode;
p->handle = XP_NULL;
p->in.buf[0] = XP_C('\0');
@ -107,7 +138,8 @@ int xp_awk_readextio (
p->next = XP_NULL;
if (handler (XP_AWK_IO_OPEN, extio_opt, p, XP_NULL, 0) == -1)
n = handler (XP_AWK_IO_OPEN, p, XP_NULL, 0);
if (n == -1)
{
xp_free (p->name);
xp_free (p);
@ -117,21 +149,16 @@ int xp_awk_readextio (
return -1;
}
if (p->handle == XP_NULL)
{
xp_free (p->name);
xp_free (p);
/* wrong implementation of user io handler.
* the correct io handler should set p->handle to
* non XP_NULL when it returns 0. */
*errnum = XP_AWK_EIOIMPL;
return -1;
}
/* chain it */
p->next = run->extio;
run->extio = p;
/* n == 0 indicates that it has reached the end of input.
* the user io handler can return 0 for the open request
* if it doesn't have any files to open. One advantage
* of doing this would be that you can skip the entire
* pattern-block matching and exeuction. */
if (n == 0) return 0;
}
/* read a line */
@ -151,8 +178,8 @@ int xp_awk_readextio (
break;
}
n = handler (XP_AWK_IO_READ, 0,
p, p->in.buf, xp_countof(p->in.buf));
n = handler (XP_AWK_IO_READ, p,
p->in.buf, xp_countof(p->in.buf));
if (n == -1)
{
/* handler error. getline should return -1 */
@ -192,46 +219,15 @@ int xp_awk_writeextio (
xp_awk_extio_t* p = run->extio;
xp_awk_io_t handler;
xp_str_t buf;
int extio_type, extio_opt, extio_mask;
static int __out_type_map[] =
{
/* the order should match the order of the
* XP_AWK_OUT_XXX values in tree.h */
XP_AWK_EXTIO_PIPE,
XP_AWK_EXTIO_COPROC,
XP_AWK_EXTIO_FILE,
XP_AWK_EXTIO_FILE,
XP_AWK_EXTIO_CONSOLE
};
static int __out_opt_map[] =
{
/* the order should match the order of the
* XP_AWK_OUT_XXX values in tree.h */
XP_AWK_IO_PIPE_WRITE,
0,
XP_AWK_IO_FILE_WRITE,
XP_AWK_IO_FILE_APPEND,
XP_AWK_IO_CONSOLE_WRITE
};
static int __out_mask_map[] =
{
__MASK_WRITE,
__MASK_RDWR,
__MASK_WRITE,
__MASK_WRITE,
__MASK_WRITE
};
int extio_type, extio_mode, extio_mask, n;
xp_assert (out_type >= 0 && out_type <= xp_countof(__out_type_map));
xp_assert (out_type >= 0 && out_type <= xp_countof(__out_opt_map));
xp_assert (out_type >= 0 && out_type <= xp_countof(__out_mode_map));
xp_assert (out_type >= 0 && out_type <= xp_countof(__out_mask_map));
/* translate the out_type into the relevant extio type and option */
/* translate the out_type into the relevant extio type and mode */
extio_type = __out_type_map[out_type];
extio_opt = __out_opt_map[out_type];
extio_mode = __out_mode_map[out_type];
extio_mask = __out_mask_map[out_type];
handler = run->awk->extio[extio_type];
@ -297,10 +293,12 @@ int xp_awk_writeextio (
}
p->type = (extio_type | extio_mask);
p->mode = extio_mode;
p->handle = XP_NULL;
p->next = XP_NULL;
if (handler (XP_AWK_IO_OPEN, extio_opt, p, XP_NULL, 0) == -1)
n = handler (XP_AWK_IO_OPEN, p, XP_NULL, 0);
if (n == -1)
{
xp_free (p->name);
xp_free (p);
@ -311,26 +309,28 @@ int xp_awk_writeextio (
return -1;
}
if (p->handle == XP_NULL)
{
xp_free (p->name);
xp_free (p);
xp_str_close (&buf);
/* wrong implementation of the user io handler.
* the correct io handler should set p->handle to
* non XP_NULL when it returns 0. */
*errnum = XP_AWK_EIOIMPL;
return -1;
}
/* chain it */
p->next = run->extio;
run->extio = p;
/* read the comment in xp_awk_readextio */
if (n == 0) return 0;
}
if (handler (XP_AWK_IO_WRITE, 0,
p, XP_STR_BUF(&buf), XP_STR_LEN(&buf)) == 0)
/* TODO: */
/* TODO: */
/* TODO: if write handler returns less than the request, loop */
/* TODO: */
/* TODO: */
n = handler (XP_AWK_IO_WRITE, p,
XP_STR_BUF(&buf), XP_STR_LEN(&buf));
if (n == -1)
{
xp_str_close (&buf);
return -1;
}
if (n == 0)
{
xp_str_close (&buf);
return 0;
@ -340,6 +340,55 @@ int xp_awk_writeextio (
return 1;
}
int xp_awk_nextextio_read (
xp_awk_run_t* run, int in_type, const xp_char_t* name, int* errnum)
{
xp_awk_extio_t* p = run->extio;
xp_awk_io_t handler;
int extio_type, extio_mode, extio_mask, n;
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_type_map));
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_mode_map));
xp_assert (in_type >= 0 && in_type <= xp_countof(__in_mask_map));
/* translate the in_type into the relevant extio type and mode */
extio_type = __in_type_map[in_type];
extio_mode = __in_mode_map[in_type];
extio_mask = __in_mask_map[in_type];
handler = run->awk->extio[extio_type];
if (handler == XP_NULL)
{
/* no io handler provided */
*errnum = XP_AWK_EIOIMPL; /* TODO: change the error code */
return -1;
}
while (p != XP_NULL)
{
if (p->type == (extio_type | extio_mask) &&
xp_strcmp(p->name,name) == 0) break;
p = p->next;
}
if (p == XP_NULL)
{
/* something is totally wrong */
*errnum = XP_AWK_EINTERNAL;
return -1;
}
n = handler (XP_AWK_IO_NEXT, p, XP_NULL, 0);
if (n == -1)
{
/* TODO: is this errnum correct? */
*errnum = XP_AWK_ENOERR;
return -1;
}
return n;
}
int xp_awk_closeextio (xp_awk_run_t* run, const xp_char_t* name, int* errnum)
{
xp_awk_extio_t* p = run->extio, * px = XP_NULL;
@ -357,7 +406,7 @@ int xp_awk_closeextio (xp_awk_run_t* run, const xp_char_t* name, int* errnum)
{
/* TODO: io command should not be XP_AWK_IO_CLOSE
* it should be more generic form than this... */
if (handler (XP_AWK_IO_CLOSE, 0, p, XP_NULL, 0) == -1)
if (handler (XP_AWK_IO_CLOSE, p, XP_NULL, 0) == -1)
{
/* this is not a run-time error.*/
*errnum = XP_AWK_ENOERR;
@ -397,7 +446,7 @@ void xp_awk_clearextio (xp_awk_run_t* run)
{
/* TODO: io command should not be XP_AWK_INPUT_CLOSE
* it should be more generic form than this... */
n = handler (XP_AWK_IO_CLOSE, 0, run->extio, XP_NULL, 0);
n = handler (XP_AWK_IO_CLOSE, run->extio, XP_NULL, 0);
if (n == -1)
{
/* TODO:

10
ase/awk/extio.h
View File

@ -1,5 +1,5 @@
/*
* $Id: extio.h,v 1.5 2006-06-28 14:19:01 bacon Exp $
* $Id: extio.h,v 1.6 2006-07-28 10:34:22 bacon Exp $
*/
#ifndef _XP_AWK_EXTIO_H_
@ -21,6 +21,14 @@ int xp_awk_writeextio (
xp_awk_run_t* run, int out_type,
const xp_char_t* name, xp_awk_val_t* v, int* errnum);
int xp_awk_nextextio_read (
xp_awk_run_t* run, int in_type, const xp_char_t* name, int* errnum);
/* TODO:
int xp_awk_nextextio_write (
xp_awk_run_t* run, int out_type, const xp_char_t* name, int* errnum);
*/
int xp_awk_closeextio (
xp_awk_run_t* run, const xp_char_t* name, int* errnum);

7
ase/awk/parse.c
View File

@ -1,5 +1,5 @@
/*
* $Id: parse.c,v 1.142 2006-07-26 16:43:35 bacon Exp $
* $Id: parse.c,v 1.143 2006-07-28 10:34:22 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -3740,8 +3740,9 @@ static int __get_char (xp_awk_t* awk)
*/
if (awk->lex.buf_pos >= awk->lex.buf_len)
{
n = awk->srcio (XP_AWK_IO_READ, 0,
awk->srcio_arg, awk->lex.buf, xp_countof(awk->lex.buf));
n = awk->srcio (
XP_AWK_IO_READ, awk->srcio_arg,
awk->lex.buf, xp_countof(awk->lex.buf));
if (n == -1)
{
awk->errnum = XP_AWK_ESRCINDATA;

51
ase/awk/run.c
View File

@ -1,5 +1,5 @@
/*
* $Id: run.c,v 1.141 2006-07-27 16:50:28 bacon Exp $
* $Id: run.c,v 1.142 2006-07-28 10:34:22 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -1161,17 +1161,34 @@ static int __run_next (xp_awk_run_t* run, xp_awk_nde_next_t* nde)
static int __run_nextfile (xp_awk_run_t* run, xp_awk_nde_nextfile_t* nde)
{
// xp_ssize_t n;
/* TODO: trigger an error if "nextfile" is called from BEGIN or END */
/* TODO: some extentions such as nextfile "in/out";
* what about awk -i in1,in2,in3 -o out1,out2,out3 ?
*/
int n, errnum;
/* TODO: implement this properly */
/* TODO: how to pass opt properly for IO_NEXT??? -> READ? WRITE? */
/*
n = run->txtio (XP_AWK_IO_NEXT, 0, run->txtio_arg, XP_NULL, 0);
if (n == -1) PANIC_I (run, XP_AWK_ETXTINNEXT);
return (n == -1)? -1: 0;
*/
xp_printf (XP_T("nextfile not implemented....\n"));
return -1;
n = xp_awk_nextextio_read (
run, XP_AWK_IN_CONSOLE, XP_T(""), &errnum);
if (n == -1)
{
if (errnum == XP_AWK_ENOERR)
PANIC_I (run, XP_AWK_ETXTINNEXT);
else
PANIC_I (run, errnum);
}
if (n == 0)
{
/* no more input file */
run->exit_level = EXIT_GLOBAL;
return 0;
}
/* TODO: update FILENAME, ARGIND. reset FNR to 1.
* some significant changes will be required to do this */
/* Consider using FILENAME_IN and FILENAME_OUT to accomplish nextfile in/out */
run->exit_level = EXIT_NEXT;
return 0;
}
static int __run_delete (xp_awk_run_t* run, xp_awk_nde_delete_t* nde)
@ -3575,10 +3592,16 @@ static xp_awk_val_t* __eval_getline (xp_awk_run_t* run, xp_awk_nde_t* nde)
n = xp_awk_readextio (run, p->in_type, dst, &buf, &errnum);
if (in != XP_NULL) xp_free (in);
if (n < 0 && errnum != XP_AWK_ENOERR)
if (n < 0)
{
xp_str_close (&buf);
PANIC (run, errnum);
if (errnum != XP_AWK_ENOERR)
{
xp_str_close (&buf);
PANIC (run, errnum);
}
/* if errnum == XP_AWK_ENOERR, make getline return -1 */
n = -1;
}
if (n > 0)

295
ase/test/awk/awk.c
View File

@ -1,5 +1,5 @@
/*
* $Id: awk.c,v 1.54 2006-07-27 16:50:29 bacon Exp $
* $Id: awk.c,v 1.55 2006-07-28 10:34:22 bacon Exp $
*/
#include <xp/awk/awk.h>
@ -13,6 +13,7 @@
#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
@ -40,6 +41,10 @@
#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)
@ -57,12 +62,6 @@ struct src_io
FILE* input_handle;
};
struct data_io
{
const char* input_file;
FILE* input_handle;
};
static FILE* fopen_t (const xp_char_t* path, const xp_char_t* mode)
{
#ifdef _WIN32
@ -131,7 +130,7 @@ static FILE* popen_t (const xp_char_t* cmd, const xp_char_t* mode)
#endif
static xp_ssize_t process_source (
int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
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;
@ -143,7 +142,7 @@ static xp_ssize_t process_source (
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 0;
return 1;
}
case XP_AWK_IO_CLOSE:
@ -182,7 +181,7 @@ static xp_ssize_t process_source (
}
static xp_ssize_t process_extio_pipe (
int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
@ -193,16 +192,16 @@ static xp_ssize_t process_extio_pipe (
FILE* handle;
const xp_char_t* mode;
if (opt == XP_AWK_IO_PIPE_READ)
if (epa->mode == XP_AWK_IO_PIPE_READ)
mode = XP_T("r");
else if (opt == XP_AWK_IO_PIPE_WRITE)
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 0;
return 1;
}
case XP_AWK_IO_CLOSE:
@ -240,7 +239,7 @@ xp_printf (XP_TEXT("closing %s of type (pipe) %d\n"), epa->name, epa->type);
}
static xp_ssize_t process_extio_file (
int cmd, int opt, void* arg, xp_char_t* data, xp_size_t size)
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
@ -251,11 +250,11 @@ static xp_ssize_t process_extio_file (
FILE* handle;
const xp_char_t* mode;
if (opt == XP_AWK_IO_FILE_READ)
if (epa->mode == XP_AWK_IO_FILE_READ)
mode = XP_T("r");
else if (opt == XP_AWK_IO_FILE_WRITE)
else if (epa->mode == XP_AWK_IO_FILE_WRITE)
mode = XP_T("w");
else if (opt == XP_AWK_IO_FILE_APPEND)
else if (epa->mode == XP_AWK_IO_FILE_APPEND)
mode = XP_T("a");
else return -1; /* TODO: any way to set the error number? */
@ -263,7 +262,7 @@ 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 0;
return 1;
}
case XP_AWK_IO_CLOSE:
@ -298,129 +297,188 @@ xp_printf (XP_TEXT("closing %s of type %d (file)\n"), epa->name, epa->type);
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, int opt, void* arg, xp_char_t* data, xp_size_t size)
int cmd, void* arg, xp_char_t* data, xp_size_t size)
{
xp_awk_extio_t* epa = (xp_awk_extio_t*)arg;
static const xp_char_t* infiles[] =
if (cmd == XP_AWK_IO_OPEN)
{
XP_T(""),
//XP_T("awk.in"),
XP_NULL
};
static xp_size_t infile_no = 0;
switch (cmd)
return open_extio_console (epa);
}
else if (cmd == XP_AWK_IO_CLOSE)
{
case XP_AWK_IO_OPEN:
return close_extio_console (epa);
}
else if (cmd == XP_AWK_IO_READ)
{
while (fgets_t (data, size, epa->handle) == XP_NULL)
{
/* TODO: OpenConsole in GUI APPLICATION */
/* opt: XP_AWK_IO_CONSOLE_READ,
* XP_AWK_IO_CONSOLE_WRITE */
/* epa->name is always empty for console */
xp_assert (epa->name[0] == XP_T('\0'));
xp_printf (XP_TEXT("opening console of type %x\n"), epa->type);
if (opt == XP_AWK_IO_CONSOLE_READ)
/* it has reached the end of the current file.
* open the next file if available */
if (infiles[infile_no] == XP_NULL)
{
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)
{
/* no input file */
xp_printf (XP_TEXT("failed to open console of type %x - no more input file\n"), epa->type);
xp_printf (XP_TEXT("failed to open the next console of type %x - fopen failure\n"), epa->type);
return -1;
}
else if (infiles[infile_no][0] == XP_T('\0'))
{
xp_printf (XP_T(" console(r) - <standard input>\n"));
epa->handle = stdin;
}
else
{
xp_printf (XP_T(" console(r) - %s\n"), infiles[infile_no]);
epa->handle = fopen_t (infiles[infile_no], XP_T("r"));
if (epa->handle == XP_NULL)
{
xp_printf (XP_TEXT("failed to open console of type %x - fopen failure\n"), epa->type);
return -1;
}
}
infile_no++;
}
else if (opt == XP_AWK_IO_CONSOLE_WRITE)
{
xp_printf (XP_T(" console(w) - <standard output>\n"));
epa->handle = stdout;
}
else return -1;
if (epa->handle != XP_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr) fclose (epa->handle);
return 0;
}
case XP_AWK_IO_CLOSE:
{
xp_printf (XP_TEXT("closing [%s] of type %x (console)\n"), epa->name, epa->type);
/* TODO: CloseConsole in GUI APPLICATION */
return 0;
}
case XP_AWK_IO_READ:
{
while (fgets_t (data, size, (FILE*)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 */
return 0;
}
if (epa->handle != stdin) fclose (epa->handle);
if (infiles[infile_no][0] == XP_T('\0'))
{
epa->handle = stdin;
}
else
{
epa->handle = fopen_t (infiles[infile_no], XP_T("r"));
if (epa->handle == XP_NULL)
{
xp_printf (XP_TEXT("failed to open the next console of type %x - fopen failure\n"), epa->type);
return -1;
}
}
infile_no++;
xp_printf (XP_TEXT("open the next console [%s]\n"), infiles[infile_no]);
epa->handle = fp;
}
return xp_strlen(data);
}
case XP_AWK_IO_WRITE:
{
/* TODO: how to return error or 0 */
fputs_t (data, /*size,*/ (FILE*)epa->handle);
/*fputs_t (data, stdout);*/
/*MessageBox (NULL, data, data, MB_OK);*/
return size;
}
case XP_AWK_IO_NEXT:
{
return -1;
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;
}
#if defined(__STAND_ALONE) && !defined(_WIN32)
static int __main (int argc, char* argv[])
#else
@ -428,7 +486,6 @@ static int __main (int argc, xp_char_t* argv[])
#endif
{
xp_awk_t* awk;
struct data_io data_io = { "awk.in", NULL };
struct src_io src_io = { NULL, NULL };
if ((awk = xp_awk_open()) == XP_NULL)