#include <ecoli_node_int.h>
#include <ecoli_node_option.h>
#include <ecoli_node_cmd.h>
+#include <ecoli_node_many.h>
+#include <ecoli_node_once.h>
+#include <ecoli_node_file.h>
static struct ec_node *commands;
{
static struct ec_completed *c;
static struct ec_completed_iter *iter;
- static const struct ec_completed_elt *elt;
- char *out_string;
+ static const struct ec_completed_item *item;
+ (void)s;
+
+ /* don't append a quote */
+ rl_completion_suppress_quote = 1;
+ rl_basic_quote_characters = "";
if (state == 0) {
char *line;
return NULL;
ec_completed_iter_free(iter);
- iter = ec_completed_iter(c, EC_MATCH);
+ iter = ec_completed_iter(c, EC_MATCH | EC_PARTIAL_MATCH);
if (iter == NULL)
return NULL;
}
- elt = ec_completed_iter_next(iter);
- if (elt == NULL)
+ item = ec_completed_iter_next(iter);
+ if (item == NULL)
return NULL;
- if (asprintf(&out_string, "%s%s", s, elt->add) < 0)
- return NULL;
+ if (c->count_match == 1) {
+
+ /* don't add the trailing space for partial completions */
+ if (state == 0) {
+ if (item->type == EC_MATCH)
+ rl_completion_suppress_append = 0;
+ else
+ rl_completion_suppress_append = 1;
+ }
- return out_string;
+ return strdup(item->str);
+ } else if (rl_completion_type == '?') {
+ /* on second try only show the display part */
+ return strdup(item->display);
+ }
+
+ return strdup(item->str);
}
static char **my_attempted_completion(const char *text, int start, int end)
}
/* this function builds the help string */
-static char *get_tk_help(const struct ec_node *node)
+static char *get_node_help(const struct ec_completed_node *compnode)
{
- const struct ec_node *node2;
+ const struct ec_completed_item *item;
+ const struct ec_node *node;
char *help = NULL;
- char *tk_help = NULL;
-
- for (node2 = node;
- node2 != NULL && tk_help == NULL;
- node2 = ec_node_parent(node2))
- tk_help = ec_keyval_get(ec_node_attrs(node2), "help");
+ const char *node_help = NULL;
+ const char *node_desc = NULL;
+ size_t i;
+
+ /* Since we display only one help per node, only look at the first item
+ * to get the path. The objective is to retrieve the most precise
+ * help for this node. */
+ item = TAILQ_FIRST(&compnode->items);
+ for (i = 0; i < item->pathlen; i++) {
+ node = item->path[i];
+ if (node_help == NULL)
+ node_help = ec_keyval_get(ec_node_attrs(node), "help");
+ if (node_desc == NULL)
+ node_desc = ec_node_desc(node);
+ }
- if (tk_help == NULL)
- tk_help = "";
+ if (node_help == NULL)
+ node_help = "";
+ if (node_desc == NULL)
+ return NULL;
- if (asprintf(&help, "%-20s %s", ec_node_desc(node), tk_help) < 0)
+ if (asprintf(&help, "%-20s %s", node_desc, node_help) < 0)
return NULL;
return help;
static int show_help(int ignore, int invoking_key)
{
- const struct ec_completed_elt *elt;
- struct ec_completed_iter *iter;
+ const struct ec_completed_node *compnode;
struct ec_completed *c;
+ struct ec_parsed *p;
char *line;
unsigned int count, i;
char **helps = NULL;
+ int match = 0;
(void)ignore;
(void)invoking_key;
line = strdup(rl_line_buffer);
if (line == NULL)
return 1;
- line[rl_point] = '\0';
+ /* check if the current line matches */
+ p = ec_node_parse(commands, line);
+ if (ec_parsed_matches(p))
+ match = 1;
+ ec_parsed_free(p);
+
+ /* complete at current cursor position */
+ line[rl_point] = '\0';
c = ec_node_complete(commands, line);
+ //ec_completed_dump(stdout, c);
free(line);
if (c == NULL)
return 1;
- //ec_completed_dump(stdout, c);
- count = ec_completed_count(c, EC_MATCH | EC_NO_MATCH);
- helps = calloc(count + 1, sizeof(char *));
+ /* let's display one contextual help per node */
+ count = 0;
+ TAILQ_FOREACH(compnode, &c->nodes, next) {
+ if (TAILQ_EMPTY(&compnode->items))
+ continue;
+ count++;
+ }
+
+ helps = calloc(count + match + 1, sizeof(char *));
if (helps == NULL)
return 1;
- iter = ec_completed_iter(c, EC_MATCH | EC_NO_MATCH);
- if (iter == NULL)
- goto fail;
+ if (match)
+ helps[1] = "<return>";
/* strangely, rl_display_match_list() expects first index at 1 */
- for (i = 1, elt = ec_completed_iter_next(iter);
- i <= count && elt != NULL;
- i++, elt = ec_completed_iter_next(iter)) {
- helps[i] = get_tk_help(elt->node);
+ i = match + 1;
+ TAILQ_FOREACH(compnode, &c->nodes, next) {
+ if (TAILQ_EMPTY(&compnode->items))
+ continue;
+ helps[i++] = get_node_help(compnode);
}
+ ec_completed_dump(stdout, c);
ec_completed_free(c);
- rl_display_match_list(helps, count, 1000);
+ rl_display_match_list(helps, count + match, 1000); /* XXX 1000 */
rl_forced_update_display();
return 0;
-fail:
- free(helps);
- // free helps[n] XXX
- return 1;
+ // free helps[n] XXX on error ?
}
static int create_commands(void)
if (cmdlist == NULL)
goto fail;
+
cmd = EC_NODE_SEQ(NULL,
ec_node_str(NULL, "hello"),
EC_NODE_OR("name",
- ec_node_str(NULL, "john"),
+ ec_node_str("john", "john"),
ec_node_str(NULL, "johnny"),
ec_node_str(NULL, "mike")
),
goto fail;
ec_keyval_set(ec_node_attrs(cmd), "help",
"say hello to someone several times", NULL);
+ ec_keyval_set(ec_node_attrs(ec_node_find(cmd, "john")),
+ "help", "specific help for john", NULL);
ec_keyval_set(ec_node_attrs(ec_node_find(cmd, "name")),
"help", "the name of the person", NULL);
ec_keyval_set(ec_node_attrs(ec_node_find(cmd, "int")),
- "help", "an integer", NULL);
+ "help", "an integer (0-10)", NULL);
if (ec_node_or_add(cmdlist, cmd) < 0)
goto fail;
-#if 0
- cmd = EC_NODE_CMD(NULL, "good morning john|johnny|mike [count]",
+
+ cmd = EC_NODE_CMD(NULL, "good morning name [count]",
+ EC_NODE_CMD("name", "bob|bobby|michael"),
ec_node_int("count", 0, 10, 10));
if (cmd == NULL)
goto fail;
ec_keyval_set(ec_node_attrs(cmd), "help",
"say good morning to someone several times", NULL);
+ ec_keyval_set(ec_node_attrs(ec_node_find(cmd, "name")), "help",
+ "the person to greet", NULL);
+ ec_keyval_set(ec_node_attrs(ec_node_find(cmd, "count")), "help",
+ "how many times to greet", NULL);
+ if (ec_node_or_add(cmdlist, cmd) < 0)
+ goto fail;
+
+
+ cmd = EC_NODE_CMD(NULL,
+ "buy potatoes,carrots,pumpkins");
+ if (cmd == NULL)
+ goto fail;
+ ec_keyval_set(ec_node_attrs(cmd), "help",
+ "buy some vegetables", NULL);
if (ec_node_or_add(cmdlist, cmd) < 0)
goto fail;
-#endif
+
+
+ cmd = EC_NODE_CMD(NULL, "eat vegetables",
+ ec_node_many("vegetables",
+ EC_NODE_OR(NULL,
+ ec_node_str(NULL, "potatoes"),
+ ec_node_once(NULL,
+ ec_node_str(NULL, "carrots")),
+ ec_node_once(NULL,
+ ec_node_str(NULL, "pumpkins"))),
+ 1, 0));
+ if (cmd == NULL)
+ goto fail;
+ ec_keyval_set(ec_node_attrs(cmd), "help",
+ "eat vegetables (take some more potatoes)", NULL);
+ if (ec_node_or_add(cmdlist, cmd) < 0)
+ goto fail;
+
cmd = EC_NODE_SEQ(NULL,
ec_node_str(NULL, "bye")
);
- ec_keyval_set(ec_node_attrs(cmd), "help", "say bye to someone", NULL);
+ ec_keyval_set(ec_node_attrs(cmd), "help", "say bye", NULL);
+ if (ec_node_or_add(cmdlist, cmd) < 0)
+ goto fail;
+
+
+ cmd = EC_NODE_SEQ(NULL,
+ ec_node_str(NULL, "load"),
+ ec_node("file", NULL)
+ );
+ ec_keyval_set(ec_node_attrs(cmd), "help", "load a file", NULL);
if (ec_node_or_add(cmdlist, cmd) < 0)
goto fail;
+
commands = ec_node_sh_lex(NULL, cmdlist);
if (commands == NULL)
goto fail;
int main(void)
{
struct ec_parsed *p;
-// const char *name;
char *line;
-
if (create_commands() < 0)
return 1;
git.droids-corp.org / protos / libecoli.git / blobdiff