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enhanced sed escape handling

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fixed an issue of adding an extra newline after matching $ in do_subst() of sed.
changed tre slightly for QSE's own needs
This commit is contained in:
hyung-hwan
2011-09-05 10:21:54 +00:00
parent 3fe32033cb
commit 2f15ca2335
8 changed files with 599 additions and 561 deletions
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32
qse/cmd/sed/sed.c
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@ -115,6 +115,7 @@ static qse_ssize_t out (
return 1;
case QSE_SED_IO_CLOSE:
qse_sio_flush (arg->handle);
if (arg->handle != qse_sio_out) qse_sio_close (arg->handle);
return 0;
@ -136,11 +137,12 @@ static void print_usage (QSE_FILE* out, int argc, qse_char_t* argv[])
qse_fprintf (out, QSE_T("options as follows:\n"));
qse_fprintf (out, QSE_T(" -h show this message\n"));
qse_fprintf (out, QSE_T(" -n disable auto-print\n"));
qse_fprintf (out, QSE_T(" -a perform strict address check\n"));
qse_fprintf (out, QSE_T(" -r use the extended regular expression\n"));
qse_fprintf (out, QSE_T(" -s allow text on the same line as c, a, i\n"));
qse_fprintf (out, QSE_T(" -l ensure a newline at text end\n"));
qse_fprintf (out, QSE_T(" -f file specify a script file\n"));
qse_fprintf (out, QSE_T(" -r use the extended regular expression\n"));
qse_fprintf (out, QSE_T(" -a perform strict address check\n"));
qse_fprintf (out, QSE_T(" -w allow address format of start~step\n"));
qse_fprintf (out, QSE_T(" -x allow text on the same line as c, a, i\n"));
qse_fprintf (out, QSE_T(" -y ensure a newline at text end\n"));
qse_fprintf (out, QSE_T(" -m number specify the maximum amount of memory to use in bytes\n"));
}
@ -148,7 +150,7 @@ static int handle_args (int argc, qse_char_t* argv[])
{
static qse_opt_t opt =
{
QSE_T("hnarslf:m:"),
QSE_T("hnf:rawxym:"),
QSE_NULL
};
qse_cint_t c;
@ -185,26 +187,30 @@ static int handle_args (int argc, qse_char_t* argv[])
g_option |= QSE_SED_QUIET;
break;
case QSE_T('a'):
g_option |= QSE_SED_STRICT;
case QSE_T('f'):
g_script_file = opt.arg;
break;
case QSE_T('r'):
g_option |= QSE_SED_EXTENDEDREX;
break;
case QSE_T('s'):
case QSE_T('a'):
g_option |= QSE_SED_STRICT;
break;
case QSE_T('w'):
g_option |= QSE_SED_STARTSTEP;
break;
case QSE_T('x'):
g_option |= QSE_SED_SAMELINE;
break;
case QSE_T('l'):
case QSE_T('y'):
g_option |= QSE_SED_ENSURENL;
break;
case QSE_T('f'):
g_script_file = opt.arg;
break;
case QSE_T('m'):
g_memlimit = qse_strtoulong (opt.arg);
break;