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#include <pland/syscall.h>
#include <knob/block.h>
#include <knob/heap.h>
#include <stdint.h>
#include <stdbool.h>
static const uint8_t caps_and_shift[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x22,
0x28, 0x29, 0x2a, 0x2b, 0x3c, 0x5f, 0x3e, 0x3f,
0x29, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5e, 0x26,
0x2a, 0x28, 0x3a, 0x3a, 0x3c, 0x2d, 0x3e, 0x3f,
0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x57, 0x7c, 0x7d, 0x5e, 0x5f,
0x7e, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const uint8_t caps_no_shift[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const uint8_t shifted[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x22,
0x28, 0x29, 0x2a, 0x2b, 0x3c, 0x5f, 0x3e, 0x3f,
0x29, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5e, 0x26,
0x2a, 0x28, 0x3a, 0x3a, 0x3c, 0x2d, 0x3e, 0x3f,
0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x57, 0x7c, 0x7d, 0x5e, 0x5f,
0x7e, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
__attribute__ ((const))
char key_to_char(_key_code_t key) {
return
key & _KEY_CAPS
? key & _KEY_SHIFT
? caps_and_shift[key & 0xff]
: caps_no_shift[key & 0xff]
: key & _KEY_SHIFT
? shifted[key & 0xff]
: key & 0xff;
}
static char get_key_char() {
_key_code_t key;
while (!(key = _get_key()))
_yield_task();
return key_to_char(key);
}
void tell_user_sz(const char *sz) {
_log_string(sz);
}
//return value and max_length don't include null terminator
uint32_t ask_user_line_sz(char *sz, uint32_t max_length) {
char log_buf[2];
log_buf[1] = '\0';
uint32_t i;
for (i = 0; i != max_length; ++i) {
char key;
replace:
key = get_key_char();
if (!key)
goto replace;
if (key & 0x80)
goto replace;//TODO
if (key == '\b') {
if (i) {
--i;
_log_string("\b");
}
goto replace;
}
log_buf[0] = key;
_log_string(log_buf);
if (key == '\n')
break;
sz[i] = key;
}
sz[i] = '\0';
return i;
}
struct history_entry {
struct history_entry *prev;
struct history_entry *next;
const char *contents;
};
struct history {
struct history_entry *earliest_history_item;
struct history_entry *latest_history_item;
uint32_t max_entries;
uint32_t cur_entries;
};
struct history *new_history(uint32_t max_entries) {
struct history *new = get_block(sizeof(struct history));
new->latest_history_item = 0;
new->earliest_history_item = 0;
new->max_entries = max_entries;
new->cur_entries = 0;
return new;
}
void del_history(struct history *hs) {
free_block(hs);
for (struct history_entry *he = hs->latest_history_item; he; he = he->prev) {
free_block(he);
free_block(he->contents);
}
}
//return value and max_length don't include null terminator
uint32_t ask_user_line_sz_with_history(char *sz, uint32_t max_length, struct history *hs) {
char log_buf[2];
log_buf[1] = '\0';
struct history_entry *cur_he = 0;
uint32_t i;
for (i = 0; i != max_length; ++i) {
char key;
replace:
key = get_key_char();
if (!key)
goto replace;
if (key == (char)_KEY_UP) {
struct history_entry *new_cur_he = cur_he ? cur_he->prev : hs->latest_history_item;
if (new_cur_he) {
cur_he = new_cur_he;
for (uint32_t j = 0; j < i; ++j)
_log_string("\b");
i = strcpy(sz, cur_he->contents);
_log_string(sz);
}
goto replace;
}
if (key == (char)_KEY_DOWN) {
cur_he = cur_he ? cur_he->next : 0;
for (uint32_t j = 0; j < i; ++j)
_log_string("\b");
if (cur_he) {
i = strcpy(sz, cur_he->contents);
_log_string(sz);
}
else
i = 0;
goto replace;
}
if (key & 0x80)
goto replace;//TODO
if (key == '\b') {
if (i) {
--i;
_log_string("\b");
}
goto replace;
}
log_buf[0] = key;
_log_string(log_buf);
if (key == '\n')
break;
sz[i] = key;
}
sz[i] = '\0';
struct history_entry *new_he = get_block(sizeof(struct history_entry));
new_he->contents = strdup(sz);
new_he->next = 0;
if (hs->latest_history_item) {
new_he->prev = hs->latest_history_item;
hs->latest_history_item->next = new_he;
}
else
new_he->prev = 0;
hs->latest_history_item = new_he;
if (!hs->earliest_history_item)
hs->earliest_history_item = new_he;
if (hs->max_entries == hs->cur_entries) {
free_block(hs->earliest_history_item);
free_block(hs->earliest_history_item->contents);
hs->earliest_history_item->next->prev = 0;
hs->earliest_history_item = hs->earliest_history_item->next;
}
else
++(hs->cur_entries);
for (struct history_entry *check_he = hs->latest_history_item->prev; check_he; check_he = check_he->prev) {
if (blockequ(check_he->contents, sz, i + 1)) {
check_he->next->prev = check_he->prev;
if (check_he->prev)
check_he->prev->next = check_he->next;
else
hs->earliest_history_item = check_he->next;
free_block(check_he);
free_block(check_he->contents);
}
}
return i;
}
|