made sed to compile r, R, w, W

qse/include/qse/utl/sed.h

@@ -42,6 +42,8 @@ enum qse_sed_errnum_t
 	QSE_SED_ELABTL,  /* label too long */
 	QSE_SED_ELABEM,  /* label name is empty */
 	QSE_SED_ELABDU,  /* duplicate label name */
+	QSE_SED_EFILEM,  /* file name is empty */
+	QSE_SED_EFILIL,  /* illegal file name */
 	QSE_SED_ETSNTR,  /* translation set not terminated */
 	QSE_SED_ETSNSL,  /* translation set not the same length*/
 	QSE_SED_EGRNBA,  /* group brackets not balanced */

qse/lib/utl/sed.c

@@ -113,6 +113,12 @@ for (c = sed->cmd.buf; c != sed->cmd.cur; c++)
 		if (c->u.transet.ptr != QSE_NULL)
 			QSE_MMGR_FREE (sed->mmgr, c->u.transet.ptr);
 	}
+	else if (c->type == QSE_SED_CMD_R || c->type == QSE_SED_CMD_RR ||
+	         c->type == QSE_SED_CMD_W || c->type == QSE_SED_CMD_WW)
+	{
+		if (c->u.filename.ptr != QSE_NULL)
+			QSE_MMGR_FREE (sed->mmgr, c->u.filename.ptr);
+	}
 }
 QSE_MMGR_FREE (sed->mmgr, sed->cmd.buf);	
 
@@ -139,6 +145,8 @@ const qse_char_t* qse_sed_geterrmsg (qse_sed_t* sed)
 		QSE_T("label name too long"),
 		QSE_T("empty label name"),
 		QSE_T("duplicate label name"),
+		QSE_T("empty file name"),
+		QSE_T("illegal file name"),
 		QSE_T("translation set not terminated"),
 		QSE_T("strings in translation set not the same length"),
 		QSE_T("group brackets not balanced"),
@@ -507,6 +515,58 @@ oops:
 	return -1;
 }
 
+static int get_file_name (qse_sed_t* sed, qse_sed_cmd_t* cmd)
+{
+	qse_cint_t c;
+	qse_str_t* t = QSE_NULL;
+
+	/* skip white spaces */
+	c = CURSC(sed);
+	while (IS_SPACE(c)) c = NXTSC (sed);
+
+	if (IS_CMDTERM(c))
+	{
+		sed->errnum = QSE_SED_EFILEM;
+		goto oops;	
+	}
+
+	t = qse_str_open (sed->mmgr, 0, 32);
+	if (t == QSE_NULL) 
+	{
+		sed->errnum = QSE_SED_ENOMEM;
+		goto oops;
+	}
+
+	do
+	{
+		if (c == QSE_T('\0'))
+		{
+			/* the file name should not contain '\0' */
+			sed->errnum = QSE_SED_EFILIL;
+			goto oops;
+		}
+
+		if (qse_str_ccat (t, c) == (qse_size_t)-1) 
+		{
+			sed->errnum = QSE_SED_ENOMEM;
+			goto oops;
+		} 
+
+		c = NXTSC (sed);
+	}
+	while (!IS_CMDTERM(c) && !IS_SPACE(c));
+
+	if (terminate_command (sed) == -1) goto oops;
+
+	qse_str_yield (t, &cmd->u.filename, 0);
+	qse_str_close (t);
+	return 0;
+
+oops:
+	if (t != QSE_NULL) qse_str_close (t);
+	return -1;
+}
+
 static int get_transet (qse_sed_t* sed, qse_sed_cmd_t* cmd)
 {
 	qse_cint_t c, delim;
@@ -776,8 +836,10 @@ qse_printf (QSE_T("cmd->u.branch.target = [%p]\n"), cmd->u.branch.target);
 		case QSE_T('w'):
 		case QSE_T('W'):
 			cmd->type = c;
-			
-			/* TODO */
+			ADVSCP (sed);
+			if (get_file_name (sed, cmd) == -1) return -1;
+
+qse_printf (QSE_T("cmd->u.filename= [%.*s]\n"), (int)cmd->u.filename.len, cmd->u.filename.ptr);
 			break;
 
 		case QSE_T('q'):

qse/lib/utl/sed.h

@@ -54,6 +54,9 @@ struct qse_sed_cmd_t
 		/* text for the a, i, c commands */
 		qse_str_t* text;  
 
+		/* file name for r, w, R, W */
+		qse_xstr_t filename;
+
 		/* translation set for the y command */
 		qse_xstr_t transet;
 
@@ -63,6 +66,7 @@ struct qse_sed_cmd_t
 			qse_sed_cmd_t* target;
 		} branch;
 
+
 		void* rex;
 	} u;	
 
@@ -101,7 +105,7 @@ struct qse_sed_cmd_t
 
 		/* r filename - append a text from a file */
 		QSE_SED_CMD_R   = QSE_T('r'),
-		/* R filename - append a text from a file */
+		/* R filename - append a line from a file */
 		QSE_SED_CMD_RR  = QSE_T('R'),
 
 		/* w filename - write pattern space to a file */