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#include "links.h"
static void* block_new_item(void* ignore);
static void block_delete_item(void* data);
static void block_copy_item(void *in, void *out);
static unsigned char *block_type_item(struct terminal *term, void *data, int x);
static void block_edit_item(struct dialog_data *dlg, void *data, void (*ok_fn)(struct dialog_data *, void *, void *, struct list_description *), void *ok_arg, unsigned char dlg_title);
static void *block_find_item(void *start, unsigned char *str, int direction);
static struct history block_search_histroy = { 0, {&block_search_histroy.items, &block_search_histroy.items} };
struct list blocks = { &blocks, &blocks, 0, -1, NULL};
static struct list_description blocks_ld={
0, /*flat*/
&blocks, /*list head*/
block_new_item, /*ext_new_item,*/
block_edit_item, /*ext_edit_item,*/
NULL, /*default_value,*/
block_delete_item, /*ext_delete_item,*/
block_copy_item, /*ext_copy_item,*/
block_type_item, /*ext_type_item,*/
block_find_item, /*ext_find_item,*/
&block_search_histroy, /*&ext_search_history,*/
0, /* this is set in init_assoc function */
15, /* # of items in main window */
T_BLOCKED_IMAGE, /*item title*/
T_BLOCK_LIST_IN_USE, /*Already open message*/
T_BLOCK_LIST_MANAGER, /*Window title*/
T_BLOCK_DELETE,
0, /* no button */
NULL, /* no button */
NULL, /* no save */
NULL,NULL,0,0, /* internal vars */
0, /* modified */
NULL,
NULL,
0,
};
static void* block_new_item(void* ignore)
{
/*Default constructor*/
struct block *new;
new = mem_alloc(sizeof(struct block));
new->url = stracpy(cast_uchar "");
return new;
}
static void block_delete_item(void* data)
{
/*Destructor */
struct block *del=(struct block *)data;
struct block *next=del->next;
struct block *prev=del->prev;
if (del->url)mem_free(del->url);
if (next)next->prev=del->prev;
if (prev)prev->next=del->next;
mem_free(del);
}
static void block_copy_item(void *in, void *out)
{
/*Copy construction */
struct block *item_in=(struct block *)in;
struct block *item_out=(struct block *)out;
if (item_out->url)mem_free(item_out->url);
item_out->url=stracpy(item_in->url);
}
/*This is used to display the items in the menu*/
static unsigned char *block_type_item(struct terminal *term, void *data, int x)
{
unsigned char *txt, *txt1;
struct conv_table *table;
struct block* item=(struct block*)data;
if ((struct list*)item==(&blocks)) return stracpy(_(TEXT_(T_BLOCK_LIST),term));
txt=stracpy(item->url);
/*I have no idea what this does, but it os copied from working code in types.c*/
table=get_translation_table(blocks_ld.codepage,term->spec->charset);
txt1=convert_string(table,txt,strlen(cast_const_char txt),NULL);
mem_free(txt);
return txt1;
}
struct assoc_ok_struct{
void (*fn)(struct dialog_data *,void *,void *,struct list_description *);
void *data;
struct dialog_data *dlg;
};
/* destroys an item, this function is called when edit window is aborted */
static void block_edit_abort(struct dialog_data *data)
{
struct block *item=(struct block*)data->dlg->udata;
struct dialog *dlg=data->dlg;
mem_free(dlg->udata2);
if (item)block_delete_item(item);
}
/* Puts url into the block list */
static void block_edit_done(void *data)
{
/*Copied from types.c*/
struct dialog *d=(struct dialog*)data;
struct block *item=(struct block *)d->udata;
struct assoc_ok_struct* s=(struct assoc_ok_struct*)d->udata2;
unsigned char *txt;
struct conv_table *table;
unsigned char *url;
/*See block_edit_item*/
url=(unsigned char *)&d->items[4];
table=get_translation_table(s->dlg->win->term->spec->charset,blocks_ld.codepage);
txt=convert_string(table,url,strlen(cast_const_char url),NULL);
mem_free(item->url); item->url=txt;
s->fn(s->dlg,s->data,item,&blocks_ld);
d->udata=NULL; /* for abort function */
}
static void block_edit_item_fn(struct dialog_data *dlg)
{
/*Copied from input_field. I don't know how most of it works.*/
#define LL gf_val(1, G_BFU_FONT_SIZE)
struct terminal *term = dlg->win->term;
int max = 0, min = 0;
int w, rw;
int y = gf_val(-1, -G_BFU_FONT_SIZE);
unsigned char *text = TEXT_(T_ENTER_URL);
if (dlg->win->term->spec->braille) y += gf_val(1, G_BFU_FONT_SIZE);
max_text_width(term, text, &max, AL_LEFT);
min_text_width(term, text, &min, AL_LEFT);
max_buttons_width(term, dlg->items + 1, 2, &max);
min_buttons_width(term, dlg->items + 1, 2, &min);
if (max < dlg->dlg->items->dlen) max = dlg->dlg->items->dlen;
w = term->x * 9 / 10 - 2 * DIALOG_LB;
if (w > max) w = max;
if (w < min) w = min;
rw = w;
dlg_format_text_and_field(dlg, NULL, text, dlg->items, 0, &y, w, &rw, COLOR_DIALOG_TEXT, AL_LEFT);
y += LL;
dlg_format_buttons(dlg, NULL, dlg->items + 1, 2, 0, &y, w, &rw, AL_CENTER);
w = rw;
dlg->xw = rw + 2 * DIALOG_LB;
dlg->yw = y + 2 * DIALOG_TB;
center_dlg(dlg);
draw_dlg(dlg);
y = dlg->y + DIALOG_TB;
if (dlg->win->term->spec->braille) y += gf_val(1, G_BFU_FONT_SIZE);
dlg_format_text_and_field(dlg, term, text, dlg->items, dlg->x + DIALOG_LB, &y, w, NULL, COLOR_DIALOG_TEXT, AL_LEFT);
y += LL;
dlg_format_buttons(dlg, term, dlg->items + 1, 2, dlg->x + DIALOG_LB, &y, w, NULL, AL_CENTER);
}
static void block_edit_item(struct dialog_data *dlg, void *data, void (*ok_fn)(struct dialog_data *, void *, void *, struct list_description *), void *ok_arg, unsigned char dlg_title)
{
/*Copied from types.c */
/*Data is a new item generated by the "default" function*/
struct block *new=(struct block*)data;
struct terminal *term=dlg->win->term;
struct dialog *d;
struct assoc_ok_struct *s;
unsigned char *url;
/*Allocate space for dialog, 4 items followed by 1 string*/
d = mem_alloc(sizeof(struct dialog) + 4 * sizeof(struct dialog_item) + 1 * MAX_STR_LEN);
memset(d, 0, sizeof(struct dialog) + 4 * sizeof(struct dialog_item) + 1 * MAX_STR_LEN);
/*Set up this string */
url=(unsigned char *)&d->items[4];
if (new->url)safe_strncpy(url,new->url,MAX_STR_LEN);
/* Create the dialog */
s = mem_alloc(sizeof(struct assoc_ok_struct));
s->fn=ok_fn;
s->data=ok_arg;
s->dlg=dlg;
switch (dlg_title)
{
case TITLE_EDIT:
d->title=TEXT_(T_BLOCK_EDIT);
break;
case TITLE_ADD:
d->title=TEXT_(T_BLOCK_ADD);
break;
default:
internal("Unsupported dialog title.\n");
}
d->udata=data;
d->udata2=s;
d->fn = block_edit_item_fn;
d->abort=block_edit_abort;
d->refresh=block_edit_done;
d->refresh_data = d;
d->items[0].type = D_FIELD;
d->items[0].dlen = MAX_STR_LEN;
d->items[0].data = url;
d->items[0].fn = check_nonempty;
d->items[1].type = D_BUTTON;
d->items[1].gid = B_ENTER;
d->items[1].fn = ok_dialog;
d->items[1].text = TEXT_(T_OK);
d->items[2].type = D_BUTTON;
d->items[2].gid = B_ESC;
d->items[2].text = TEXT_(T_CANCEL);
d->items[2].fn = cancel_dialog;
d->items[3].type = D_END;
do_dialog(term, d, getml(d, NULL));
}
static void *block_find_item(void *start, unsigned char *str, int direction)
{
struct block *e,*s=start;
if (direction==1)
{
for (e=s->next; e!=s; e=e->next)
if (e->depth>-1)
{
if (e->url && casestrstr(e->url,str)) return e;
}
}
else
{
for (e=s->prev; e!=s; e=e->prev)
if (e->depth>-1)
{
if (e->url && casestrstr(e->url,str)) return e;
}
}
if (e==s&&e->depth>-1&&e->url && casestrstr(e->url,str)) return e;
return NULL;
}
void block_manager(struct terminal *term,void *fcp,struct session *ses)
{
create_list_window(&blocks_ld,&blocks,term,ses);
}
void *block_url_add(struct session *ses, unsigned char *url)
{
/*Callback from the dialog box created from the link menu*/
struct block* new_b;
struct terminal *term = ses ? ses->term : NULL;
if (test_list_window_in_use(&blocks_ld, term))
return NULL;
new_b = block_new_item(0);
if (new_b->url)
mem_free(new_b->url);
new_b->url = stracpy(url);
new_b->type = 0;
add_at_pos((struct block *)blocks_ld.list->prev, new_b);
return NULL;
}
void block_url_query(struct session *ses, unsigned char *u)
{
if (test_list_window_in_use(&blocks_ld, ses->term))
return;
input_field(ses->term, NULL, TEXT_(T_BLOCK_URL) , TEXT_(T_BLOCK_ADD), ses, 0, MAX_INPUT_URL_LEN, u, 0, 0, NULL, TEXT_(T_OK), (void (*)(void *, unsigned char *)) block_url_add, TEXT_(T_CANCEL), NULL, NULL);
}
static unsigned char *find_first_match(unsigned char *s, unsigned char *p, unsigned *ii)
{
unsigned i;
retry:
for (i = 0; s[i] && p[i] && p[i] != '*'; i++) {
if (s[i] != p[i] && p[i] != '?') {
s++;
goto retry;
}
}
*ii = i;
if (!p[i] || p[i] == '*') return s;
return NULL;
}
static int simple_glob_match(unsigned char *s, unsigned char *p)
{
unsigned i;
if (find_first_match(s, p, &i) != s) return 0;
if (!p[i]) return !s[i];
while (1) {
s += i;
p += i + 1;
if (!(s = find_first_match(s, p, &i))) return 0;
if (!p[i]) {
s += strlen(cast_const_char s) - i;
return !!find_first_match(s, p, &i);
}
}
}
int is_url_blocked(unsigned char* url)
{
struct block* b;
foreach(b, blocks)
{
if(simple_glob_match(url, b->url))
return 1;
}
return 0;
}
void free_blocks(void)
{
/*List destructor */
struct block* b;
foreach(b, blocks)
{
if(b->url)mem_free(b->url);
}
free_list(blocks);
free_list(block_search_histroy.items);
}
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