2 * Copyright (c) 2016, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * API for generating completions item on a node.
31 * This file provide helpers to list and manipulate the possible
32 * completions for a given input.
34 * XXX completed vs item
37 #ifndef ECOLI_COMPLETED_
38 #define ECOLI_COMPLETED_
40 #include <sys/queue.h>
41 #include <sys/types.h>
46 enum ec_completed_type {
52 struct ec_completed_item;
54 TAILQ_HEAD(ec_completed_item_list, ec_completed_item);
56 struct ec_completed_node {
57 TAILQ_ENTRY(ec_completed_node) next;
58 const struct ec_node *node;
59 struct ec_completed_item_list items;
62 TAILQ_HEAD(ec_completed_node_list, ec_completed_node);
67 struct ec_completed_node_list nodes;
68 struct ec_keyval *attrs; // XXX per node instead?
72 * return a completed object filled with items
73 * return NULL on error (nomem?)
75 struct ec_completed *ec_node_complete(struct ec_node *node,
77 struct ec_completed *ec_node_complete_strvec(struct ec_node *node,
78 const struct ec_strvec *strvec);
80 /* internal: used by nodes */
81 int ec_node_complete_child(struct ec_node *node,
82 struct ec_completed *completed,
83 struct ec_parsed *parsed_state,
84 const struct ec_strvec *strvec);
87 * Create a completion object (list of completion items).
91 struct ec_completed *ec_completed(void);
94 * Free a completion object and all its items.
98 void ec_completed_free(struct ec_completed *completed);
105 void ec_completed_dump(FILE *out,
106 const struct ec_completed *completed);
110 * Create a completion item.
114 struct ec_completed_item *
115 ec_completed_item(struct ec_parsed *state, const struct ec_node *node);
118 * Set type and value of a completion item.
122 int ec_completed_item_set(struct ec_completed_item *item,
123 enum ec_completed_type type, const char *str);
126 * Add a completion item to a completion list.
130 int ec_completed_item_add(struct ec_completed *completed,
131 struct ec_completed_item *item);
134 * Get the string value of a completion item.
139 ec_completed_item_get_str(const struct ec_completed_item *item);
142 * Get the display string value of a completion item.
147 ec_completed_item_get_display(const struct ec_completed_item *item);
150 * Get the type of a completion item.
154 enum ec_completed_type
155 ec_completed_item_get_type(const struct ec_completed_item *item);
162 void ec_completed_item_free(struct ec_completed_item *item);
165 * Set the display value of an item.
169 int ec_completed_item_set_display(struct ec_completed_item *item,
170 const char *display);
178 ec_node_default_complete(const struct ec_node *gen_node,
179 struct ec_completed *completed,
180 struct ec_parsed *state,
181 const struct ec_strvec *strvec);
188 unsigned int ec_completed_count(
189 const struct ec_completed *completed,
190 enum ec_completed_type flags);
197 struct ec_completed_iter {
198 enum ec_completed_type type;
199 const struct ec_completed *completed;
200 const struct ec_completed_node *cur_node;
201 const struct ec_completed_item *cur_match;
209 struct ec_completed_iter *
210 ec_completed_iter(struct ec_completed *completed,
211 enum ec_completed_type type);
218 const struct ec_completed_item *ec_completed_iter_next(
219 struct ec_completed_iter *iter);
226 void ec_completed_iter_free(struct ec_completed_iter *iter);