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added qse_sio_openstd().

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added QSE_SED_ZEROA1 and related code
This commit is contained in:
hyung-hwan
2011-09-20 00:51:02 +00:00
parent ecaed2c2b3
commit 7de8b649ef
11 changed files with 372 additions and 141 deletions
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158
qse/lib/sed/std.c
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@ -85,18 +85,34 @@ static qse_sio_t* open_sio (qse_sed_t* sed, const qse_char_t* file, int flags)
return sio;
}
static qse_sio_t* open_sio_std (qse_sed_t* sed, qse_sio_std_t std, int flags)
{
qse_sio_t* sio;
static const qse_char_t* std_names[] =
{
QSE_T("stdin"),
QSE_T("stdout"),
QSE_T("stderr"),
};
sio = qse_sio_openstd (sed->mmgr, 0, std, flags);
if (sio == QSE_NULL)
{
qse_cstr_t ea;
ea.ptr = std_names[std];
ea.len = qse_strlen (std_names[std]);
qse_sed_seterrnum (sed, QSE_SED_EIOFIL, &ea);
}
return sio;
}
static void close_main_stream (
qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_sed_iostd_t* io)
{
if (io->type == QSE_SED_IOSTD_FILE)
{
qse_sio_t* sio = (qse_sio_t*)arg->handle;
if (sio != qse_sio_in && sio != qse_sio_out && sio != qse_sio_err)
qse_sio_close (sio);
}
if (io->type == QSE_SED_IOSTD_FILE) qse_sio_close (arg->handle);
}
static int open_main_input_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_sed_iostd_t* io)
static int open_console_input_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_sed_iostd_t* io)
{
xtn_t* xtn = (xtn_t*) QSE_XTN (sed);
@ -108,18 +124,15 @@ static int open_main_input_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_se
break;
case QSE_SED_IOSTD_FILE:
if (io->u.file == QSE_NULL)
{
arg->handle = qse_sio_in;
}
else
{
qse_sio_t* sio;
sio = open_sio (sed, io->u.file, QSE_SIO_READ | QSE_SIO_IGNOREMBWCERR);
if (sio == QSE_NULL) return -1;
arg->handle = sio;
}
{
qse_sio_t* sio;
sio = (io->u.file == QSE_NULL)?
open_sio_std (sed, QSE_SIO_STDIN, QSE_SIO_READ | QSE_SIO_IGNOREMBWCERR):
open_sio (sed, io->u.file, QSE_SIO_READ | QSE_SIO_IGNOREMBWCERR);
if (sio == QSE_NULL) return -1;
arg->handle = sio;
break;
}
case QSE_SED_IOSTD_MEM:
/* don't store anything to arg->handle */
@ -130,7 +143,7 @@ static int open_main_input_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_se
return 0;
}
static int open_main_output_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_sed_iostd_t* io)
static int open_console_output_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_sed_iostd_t* io)
{
xtn_t* xtn = (xtn_t*) QSE_XTN (sed);
@ -142,23 +155,32 @@ static int open_main_output_stream (qse_sed_t* sed, qse_sed_io_arg_t* arg, qse_s
break;
case QSE_SED_IOSTD_FILE:
{
qse_sio_t* sio;
if (io->u.file == QSE_NULL)
{
arg->handle = qse_sio_out;
}
else
{
qse_sio_t* sio;
sio = open_sio (sed, io->u.file,
sio = open_sio_std (
sed, QSE_SIO_STDOUT,
QSE_SIO_WRITE |
QSE_SIO_CREATE |
QSE_SIO_TRUNCATE |
QSE_SIO_IGNOREMBWCERR
);
if (sio == QSE_NULL) return -1;
arg->handle = sio;
}
else
{
sio = open_sio (
sed, io->u.file,
QSE_SIO_WRITE |
QSE_SIO_CREATE |
QSE_SIO_TRUNCATE |
QSE_SIO_IGNOREMBWCERR
);
}
if (sio == QSE_NULL) return -1;
arg->handle = sio;
break;
}
case QSE_SED_IOSTD_MEM:
/* don't store anything to arg->handle */
@ -211,7 +233,7 @@ static qse_ssize_t read_main_input_stream (
old = arg->handle;
/* try to open the next input stream */
if (open_main_input_stream (sed, arg, next) <= -1)
if (open_console_input_stream (sed, arg, next) <= -1)
{
/* failed to open the next input stream */
n = -1;
@ -243,11 +265,17 @@ static qse_ssize_t xin (
{
if (arg->path == QSE_NULL)
{
/* main data stream */
if (xtn->e.in == QSE_NULL) arg->handle = qse_sio_in;
/* not file specified. console stream */
if (xtn->e.in == QSE_NULL)
{
sio = open_sio_std (
sed, QSE_SIO_STDIN, QSE_SIO_READ | QSE_SIO_IGNOREMBWCERR);
if (sio == QSE_NULL) return -1;
arg->handle = sio;
}
else
{
if (open_main_input_stream (sed, arg, xtn->e.in_cur) <= -1) return -1;
if (open_console_input_stream (sed, arg, xtn->e.in_cur) <= -1) return -1;
}
}
else
@ -265,13 +293,14 @@ static qse_ssize_t xin (
if (arg->path == QSE_NULL)
{
/* main data stream */
if (xtn->e.in) close_main_stream (sed, arg, xtn->e.in_cur);
if (xtn->e.in == QSE_NULL)
qse_sio_close (arg->handle);
else
close_main_stream (sed, arg, xtn->e.in_cur);
}
else
{
sio = (qse_sio_t*)arg->handle;
if (sio != qse_sio_in && sio != qse_sio_out && sio != qse_sio_err)
qse_sio_close (sio);
qse_sio_close (arg->handle);
}
return 0;
@ -311,10 +340,21 @@ static qse_ssize_t xout (
{
if (arg->path == QSE_NULL)
{
if (xtn->e.out == QSE_NULL) arg->handle = qse_sio_out;
if (xtn->e.out == QSE_NULL)
{
sio = open_sio_std (
sed, QSE_SIO_STDOUT,
QSE_SIO_WRITE |
QSE_SIO_CREATE |
QSE_SIO_TRUNCATE |
QSE_SIO_IGNOREMBWCERR
);
if (sio == QSE_NULL) return -1;
arg->handle = sio;
}
else
{
if (open_main_output_stream (sed, arg, xtn->e.out) <= -1) return -1;
if (open_console_output_stream (sed, arg, xtn->e.out) <= -1) return -1;
}
}
else
@ -337,14 +377,14 @@ static qse_ssize_t xout (
{
if (arg->path == QSE_NULL)
{
if (xtn->e.out) close_main_stream (sed, arg, xtn->e.out);
if (xtn->e.out == QSE_NULL)
qse_sio_close (arg->handle);
else
close_main_stream (sed, arg, xtn->e.out);
}
else
{
sio = (qse_sio_t*)arg->handle;
qse_sio_flush (sio);
if (sio != qse_sio_in && sio != qse_sio_out && sio != qse_sio_err)
qse_sio_close (sio);
qse_sio_close (arg->handle);
}
return 0;
}
@ -355,7 +395,9 @@ static qse_ssize_t xout (
{
/* main data stream */
if (xtn->e.out == QSE_NULL)
{
return qse_sio_putsn (arg->handle, dat, len);
}
else
{
qse_sed_iostd_t* io = xtn->e.out;
@ -443,14 +485,30 @@ int qse_sed_execstd (
}
if (xtn->e.out_memstr) qse_str_close (xtn->e.out_memstr);
/* if some output without a newline is emitted before
* last flush, they can be lost because qse_sio_out
* is not explicitly closed() with qse_sio_close()
* which in turn calls qse_sio_flush(). let's call it
* here directly. I don't care whether some other
* threads could have written to this. */
qse_sio_flush (qse_sio_out);
return n;
}
int qse_sed_execstdfile (
qse_sed_t* sed, const qse_char_t* infile, const qse_char_t* outfile)
{
qse_sed_iostd_t in[2];
qse_sed_iostd_t out;
qse_sed_iostd_t* pin = QSE_NULL, * pout = QSE_NULL;
if (infile)
{
in[0].type = QSE_SED_IOSTD_FILE;
in[0].u.file = infile;
in[1].type = QSE_SED_IOSTD_NULL;
pin = in;
}
if (outfile)
{
out.type = QSE_SED_IOSTD_FILE;
out.u.file = outfile;
pout = &out;
}
return qse_sed_execstd (sed, pin, pout);
}