xref: /illumos-gate/usr/src/lib/libeti/form/common/driver.c (revision 7a6d80f1660abd4755c68cbd094d4a914681d26e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1988 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  *      Copyright (c) 1997, by Sun Microsystems, Inc.
28  *      All rights reserved.
29  */
30 
31 /*LINTLIBRARY*/
32 
33 #include <sys/types.h>
34 #include "utility.h"
35 
36 typedef struct {
37 	PTF_int		class;
38 	PTF_int		act;
39 } REQUEST;
40 
41 static REQUEST parse(int);
42 
43 #define	COMMAND(x)	(x.class)
44 #define	CALL(x, f)	(x.class ? (*x.class) (x.act, f) : E_SYSTEM_ERROR)
45 
46 /* command array(carray) order is significant(see form.h REQ_*) */
47 static REQUEST carray [MAX_FORM_COMMAND - MIN_FORM_COMMAND + 1] =
48 {
49 	_page_navigation,	_next_page,	/* REQ_NEXT_PAGE	*/
50 	_page_navigation,	_prev_page,	/* REQ_PREV_PAGE	*/
51 	_page_navigation,	_first_page,	/* REQ_FIRST_PAGE	*/
52 	_page_navigation,	_last_page,	/* REQ_LAST_PAGE	*/
53 
54 	_field_navigation,	_next_field,	/* REQ_NEXT_FIELD	*/
55 	_field_navigation,	_prev_field,	/* REQ_PREV_FIELD	*/
56 	_field_navigation,	_first_field,	/* REQ_FIRST_FIELD	*/
57 	_field_navigation,	_last_field,	/* REQ_LAST_FIELD	*/
58 	_field_navigation,	_snext_field,	/* REQ_SNEXT_FIELD	*/
59 	_field_navigation,	_sprev_field,	/* REQ_SPREV_FIELD	*/
60 	_field_navigation,	_sfirst_field,	/* REQ_SFIRST_FIELD	*/
61 	_field_navigation,	_slast_field,	/* REQ_SLAST_FIELD	*/
62 	_field_navigation,	_left_field,	/* REQ_LEFT_FIELD	*/
63 	_field_navigation,	_right_field,	/* REQ_RIGHT_FIELD	*/
64 	_field_navigation,	_up_field,	/* REQ_UP_FIELD		*/
65 	_field_navigation,	_down_field,	/* REQ_DOWN_FIELD	*/
66 
67 	_data_navigation,	_next_char,	/* REQ_NEXT_CHAR	*/
68 	_data_navigation,	_prev_char,	/* REQ_PREV_CHAR	*/
69 	_data_navigation,	_next_line,	/* REQ_NEXT_LINE	*/
70 	_data_navigation,	_prev_line,	/* REQ_PREV_LINE	*/
71 	_data_navigation,	_next_word,	/* REQ_NEXT_WORD	*/
72 	_data_navigation,	_prev_word,	/* REQ_PREV_WORD	*/
73 	_data_navigation,	_beg_field,	/* REQ_BEG_FIELD	*/
74 	_data_navigation,	_end_field,	/* REQ_END_FIELD	*/
75 	_data_navigation,	_beg_line,	/* REQ_BEG_LINE		*/
76 	_data_navigation,	_end_line,	/* REQ_END_LINE		*/
77 	_data_navigation,	_left_char,	/* REQ_LEFT_CHAR	*/
78 	_data_navigation,	_right_char,	/* REQ_RIGHT_CHAR	*/
79 	_data_navigation,	_up_char,	/* REQ_UP_CHAR		*/
80 	_data_navigation,	_down_char,	/* REQ_DOWN_CHAR	*/
81 
82 	_misc_request,		_new_line,	/* REQ_NEW_LINE		*/
83 	_data_manipulation,	_ins_char,	/* REQ_INS_CHAR		*/
84 	_data_manipulation,	_ins_line,	/* REQ_INS_LINE		*/
85 	_data_manipulation,	_del_char,	/* REQ_DEL_CHAR		*/
86 	_misc_request,		_del_prev,	/* REQ_DEL_PREV		*/
87 	_data_manipulation,	_del_line,	/* REQ_DEL_LINE		*/
88 	_data_manipulation,	_del_word,	/* REQ_DEL_WORD		*/
89 	_data_manipulation,	_clr_eol,	/* REQ_CLR_EOL		*/
90 	_data_manipulation,	_clr_eof,	/* REQ_CLR_EOF		*/
91 	_data_manipulation,	_clr_field,	/* REQ_CLR_FIELD	*/
92 
93 	_misc_request,		_ovl_mode,	/* REQ_OVL_MODE		*/
94 	_misc_request,		_ins_mode,	/* REQ_INS_MODE		*/
95 
96 	_data_navigation,	_scr_fline,	/* REQ_SCR_FLINE	*/
97 	_data_navigation,	_scr_bline,	/* REQ_SCR_BLINE	*/
98 	_data_navigation,	_scr_fpage,	/* REQ_SCR_FPAGE	*/
99 	_data_navigation,	_scr_bpage,	/* REQ_SCR_BPAGE	*/
100 	_data_navigation,	_scr_fhpage,	/* REQ_SCR_FHPAGE	*/
101 	_data_navigation,	_scr_bhpage,	/* REQ_SCR_BHPAGE	*/
102 
103 	_data_navigation,	_scr_fchar,	/* REQ_SCR_FCHAR	*/
104 	_data_navigation,	_scr_bchar,	/* REQ_SCR_BCHAR	*/
105 	_data_navigation,	_scr_hfline,	/* REQ_SCR_HFLINE	*/
106 	_data_navigation,	_scr_hbline,	/* REQ_SCR_HBLINE	*/
107 	_data_navigation,	_scr_hfhalf,	/* REQ_SCR_HFHALF	*/
108 	_data_navigation,	_scr_hbhalf,	/* REQ_SCR_HBHALF	*/
109 
110 	_misc_request,		_validation,	/* REQ_VALIDATION	*/
111 	_misc_request,		_next_choice,	/* REQ_NEXT_CHOICE	*/
112 	_misc_request,		_prev_choice,	/* REQ_PREV_CHOICE	*/
113 };
114 
115 static REQUEST FAIL = { (PTF_int) 0, (PTF_int) 0 };
116 
117 /* _page_navigation - service page navigation request */
118 int
119 _page_navigation(PTF_int act, FORM *f)
120 {
121 	int v;
122 
123 	if (_validate(f)) {
124 		term_field(f);
125 		term_form(f);
126 		v = (*act) (f);
127 		init_form(f);
128 		init_field(f);
129 	} else
130 		v = E_INVALID_FIELD;
131 
132 	return (v);
133 }
134 
135 /* _field_navigation - service inter-field navigation request */
136 int
137 _field_navigation(PTF_int act, FORM *f)
138 {
139 	int v;
140 
141 	if (_validate(f)) {
142 		term_field(f);
143 		v = (*act) (f);
144 		init_field(f);
145 	} else
146 		v = E_INVALID_FIELD;
147 
148 	return (v);
149 }
150 
151 /* _data_navigation - service intra-field navagation request */
152 int
153 _data_navigation(PTF_int act, FORM *f)
154 {
155 	return ((*act) (f));
156 }
157 
158 /* _data_manipulation - service data modification request */
159 int
160 _data_manipulation(PTF_int act, FORM *f)
161 {
162 	int		v = E_REQUEST_DENIED;
163 	FIELD *		c = C(f);
164 
165 	if (Opt(c, O_EDIT))
166 		if ((v = (*act) (f)) == E_OK)
167 			Set(f, WIN_CHG);
168 	return (v);
169 }
170 
171 int
172 _misc_request(PTF_int act, FORM *f)
173 {
174 	return ((*act) (f));
175 }
176 
177 int
178 form_driver(FORM *f, int c)
179 {
180 	int		v;
181 	REQUEST		x;
182 
183 	if (f) {
184 		if (Status(f, DRIVER))
185 
186 			v = E_BAD_STATE;
187 
188 		else if (Status(f, POSTED)) {
189 			x = parse(c);
190 
191 			if (COMMAND(x))
192 				v = CALL(x, f);
193 			else {
194 				if (isascii(c) && isprint(c) &&
195 				    CheckChar(C(f), c))
196 					v = _data_entry(f, c);
197 				else
198 					v = E_UNKNOWN_COMMAND;
199 			}
200 			(void) _update_current(f);
201 		} else
202 			v = E_NOT_POSTED;
203 	} else
204 		v = E_BAD_ARGUMENT;
205 
206 	return (v);
207 }
208 
209 static REQUEST
210 parse(int c)
211 {
212 	if (c < MIN_FORM_COMMAND || c > MAX_FORM_COMMAND)
213 		return (FAIL);
214 
215 	return (carray[c - MIN_FORM_COMMAND]);
216 }
217