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resumed working on sed

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hyung-hwan
2009-04-16 08:11:42 +00:00
parent 8a46445be8
commit 93ea3e255a
3 changed files with 89 additions and 11 deletions
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71
qse/lib/utl/sed.c
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@ -170,7 +170,8 @@ const qse_char_t* qse_sed_geterrmsg (qse_sed_t* sed)
QSE_T("group nesting too deep"),
QSE_T("multiple occurrence specifier"),
QSE_T("occurrence specifier is zero"),
QSE_T("occurrence specifier too large")
QSE_T("occurrence specifier too large"),
QSE_T("error returned by user io handler")
};
return (sed->errnum > 0 && sed->errnum < QSE_COUNTOF(errmsg))?
@ -1192,34 +1193,92 @@ int qse_sed_compile (qse_sed_t* sed, const qse_char_t* sptr, qse_size_t slen)
return compile_source (sed, sptr, slen);
}
static int read_line (qse_sed_t* sed, qse_sed_iof_t* iof)
static int read_char (qse_sed_t* sed, qse_char_t* c)
{
qse_ssize_t n;
if (sed->eio.pos >= sed->eio.len)
{
n = sed->eio.f (
sed, QSE_SED_IO_READ,
sed->eio.buf, QSE_COUNTOF(sed->eio.buf)
);
if (n <= -1)
{
sed->errnum = QSE_SED_EIOUSR;
return -1;
}
if (n == 0) return 0; /* end of file */
sed->eio.len = n;
sed->eio.pos = 0;
}
*c = sed->eio.buf[sed->eio.pos++];
return 1;
}
int qse_sed_execute (qse_sed_t* sed, qse_sed_iof_t* iof)
static int read_line (qse_sed_t* sed)
{
qse_char_t c;
int n;
qse_str_clear (&sed->eio.line);
while (1)
{
n = read_char (sed, &c);
if (n == -1) return -1;
if (n == 0)
{
}
if (c == QSE_T('\n'))
{
}
}
return 0;
}
int qse_sed_execute (qse_sed_t* sed, qse_sed_iof_t iof)
{
qse_sed_cmd_t* c = sed->cmd.buf;
qse_ssize_t n;
int ret = 0;
if (qse_str_init (&sed->eio.line, QSE_MMGR(sed), 256) == QSE_NULL)
{
sed->errnum = QSE_SED_ENOMEM;
return -1;
}
n = iof (sed, QSE_SED_IO_OPEN, QSE_NULL, 0);
if (n == 0) goto done; /* EOF reached upon opening a stream */
if (n == -1)
{
ret = -1;
sed->errnum = QSE_SED_EIO;
sed->errnum = QSE_SED_EIOUSR;
goto done;
}
sed->eio.f = iof;
sed->eio.len = 0;
sed->eio.pos = 0;
while (1)
{
}
done:
iof (sed, QSE_SED_IO_CLOSE, QSE_NULL< 0);
iof (sed, QSE_SED_IO_CLOSE, QSE_NULL, 0);
qse_str_fini (&sed->eio.line);
return ret;
#if 0
qse_sed_cmd_t* c = sed->cmd.buf;
while (c < sed->cmd.cur)
{
qse_printf (QSE_T(">>> %c\n"), c->type);