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implement history manipurating procedures

This commit is contained in:
Sunrim KIM (keen) 2014-08-09 06:32:13 +09:00
parent 9583cfa4e0
commit 54eed63df6
1 changed files with 94 additions and 17 deletions
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107
contrib/10.readline/src/readline.c
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@ -28,6 +28,14 @@ pic_rl_readline(pic_state *pic)
return pic_eof_object();
}
static pic_value
pic_rl_history_length(pic_state *pic)
{
pic_get_args(pic, "");
return pic_int_value(history_get_history_state()->length);
}
static pic_value
pic_rl_add_history(pic_state *pic)
{
@ -70,14 +78,6 @@ pic_rl_history_is_stifled(pic_state *pic)
return pic_bool_value(history_is_stifled());
}
static pic_value
pic_rl_history_length(pic_state *pic)
{
pic_get_args(pic, "");
return pic_int_value(history_length);
}
static pic_value
pic_rl_where_history(pic_state *pic)
{
@ -86,6 +86,14 @@ pic_rl_where_history(pic_state *pic)
return pic_int_value(where_history());
}
static pic_value
pic_rl_current_history(pic_state *pic)
{
pic_get_args(pic, "");
return pic_obj_value(pic_str_new_cstr(pic, current_history()->line));
}
static pic_value
pic_rl_history_get(pic_state *pic)
{
@ -95,10 +103,23 @@ pic_rl_history_get(pic_state *pic)
pic_get_args(pic, "i", &i);
e = history_get(i);
if(!e)
pic_errorf(pic, "failed to get entry");
return pic_obj_value(pic_str_new_cstr(pic, e->line));
return e ? pic_obj_value(pic_str_new_cstr(pic, e->line))
: pic_false_value();
}
static pic_value
pic_rl_remove_history(pic_state *pic)
{
int i;
HIST_ENTRY *e;
pic_get_args(pic, "i", &i);
e = remove_history(i);
return e ? pic_obj_value(pic_str_new_cstr(pic, e->line))
: pic_false_value();
}
static pic_value
@ -112,15 +133,64 @@ pic_rl_clear_history(pic_state *pic)
}
static pic_value
pic_rl_remove_history(pic_state *pic)
pic_rl_history_set_pos(pic_state *pic)
{
int i;
pic_get_args(pic, "i", &i);
remove_history(i);
return pic_undef_value();
return pic_int_value(history_set_pos(i));
}
static pic_value
pic_rl_previous_history(pic_state *pic)
{
HIST_ENTRY *e;
pic_get_args(pic, "");
e = previous_history();
return e ? pic_obj_value(pic_str_new_cstr(pic, e->line))
: pic_false_value();
}
static pic_value
pic_rl_next_history(pic_state *pic)
{
HIST_ENTRY *e;
pic_get_args(pic, "");
e = next_history();
return e ? pic_obj_value(pic_str_new_cstr(pic, e->line))
: pic_false_value();
}
static pic_value
pic_rl_history_search(pic_state *pic)
{
char *key;
int direction, pos, argc;
argc = pic_get_args(pic, "zi|i", &key, &direction, &pos);
if(argc == 2)
return pic_int_value(history_search(key, direction));
else
return pic_int_value(history_search_pos(key, direction, pos));
}
static pic_value
pic_rl_history_search_prefix(pic_state *pic)
{
char *key;
int direction;
pic_get_args(pic, "zi", &key, &direction);
return pic_int_value(history_search_prefix(key, direction));
}
static pic_value
@ -169,15 +239,22 @@ pic_init_readline(pic_state *pic){
pic_defun(pic, "readline", pic_rl_readline);
}
pic_deflibrary (pic, "(picrin readline history)") {
/* pic_defun(pic, "history-offset", pic_rl_history_offset); */
pic_defun(pic, "history-length", pic_rl_history_length);
pic_defun(pic, "add-history", pic_rl_add_history);
pic_defun(pic, "stifle-history", pic_rl_stifle_history);
pic_defun(pic, "unstifle-history", pic_rl_unstifle_history);
pic_defun(pic, "history-stifled?", pic_rl_history_is_stifled);
pic_defun(pic, "history-length", pic_rl_history_length);
pic_defun(pic, "where-history", pic_rl_where_history);
pic_defun(pic, "current-history", pic_rl_current_history);
pic_defun(pic, "history-get", pic_rl_history_get);
pic_defun(pic, "clear-history", pic_rl_clear_history);
pic_defun(pic, "remove-history", pic_rl_remove_history);
pic_defun(pic, "history-set-pos", pic_rl_history_set_pos);
pic_defun(pic, "previous-history", pic_rl_previous_history);
pic_defun(pic, "next-history", pic_rl_next_history);
pic_defun(pic, "history-search", pic_rl_history_search);
pic_defun(pic, "history-search-prefix", pic_rl_history_search_prefix);
pic_defun(pic, "read-history", pic_rl_read_history);
pic_defun(pic, "write-history", pic_rl_write_history);
pic_defun(pic, "truncate-file", pic_rl_truncate_file);