types.c

ELinks is an advanced and well-established feature-rich text mode web (HTTP/FTP/..) browser. ELinks

/* types.c
 * (c) 2002 Mikulas Patocka
 * This file is a part of the Links program, released under GPL.
 */

#include "links.h"


/*------------------------ ASSOCIATIONS -----------------------*/

/* DECLARATIONS */

void assoc_edit_item(struct dialog_data *,void *,void (*)(struct dialog_data *,void *,void *,struct list_description *),void *, unsigned char);
void assoc_copy_item(void *, void *);
void *assoc_default_value(struct session*, unsigned char);
void *assoc_new_item(void *);
void assoc_delete_item(void *);
void *assoc_find_item(void *start, unsigned char *str, int direction);
unsigned char *assoc_type_item(struct terminal *, void *, int);
void assoc_edit_item_fn(struct dialog_data *);
void assoc_edit_done(void *);
void assoc_edit_abort(struct dialog_data *);
void ext_edit_item_fn(struct dialog_data *);
void ext_edit_done(void *);
void ext_edit_abort(struct dialog_data *);
int is_in_list(unsigned char *, unsigned char *, int);
unsigned char *get_content_type_by_extension(unsigned char *url);
unsigned char *get_extension_by_content_type(unsigned char *ct);
unsigned char *get_filename_from_header(unsigned char *head);


struct list assoc={&assoc,&assoc,0,-1,NULL};

struct history assoc_search_history = { 0, { &assoc_search_history.items, &assoc_search_history.items } };

struct assoc_ok_struct{
	void (*fn)(struct dialog_data *,void *,void *,struct list_description *);
	void *data;	
	struct dialog_data *dlg;
};


struct list_description assoc_ld={
	0,  /* 0= flat; 1=tree */
	&assoc,  /* list */
	assoc_new_item,
	assoc_edit_item,
	assoc_default_value,
	assoc_delete_item,
	assoc_copy_item,
	assoc_type_item,
	assoc_find_item,
	&assoc_search_history,
	0,		/* this is set in init_assoc function */
	50,  /* width of main window */
	10,  /* # of items in main window */
	T_ASSOCIATION,
	T_ASSOCIATIONS_ALREADY_IN_USE,
	T_ASSOCIATIONS_MANAGER,
	T_DELETE_ASSOCIATION,
	0,	/* no button */
	NULL,	/* no button */

	0,0,0,0,  /* internal vars */
	0, /* modified */
	NULL,
	NULL,
	1,
};

void *assoc_default_value(struct session* ses, unsigned char type)
{
	type=type;
	ses=ses;
	return NULL;
}

void *assoc_new_item(void *ignore)
{
	struct assoc *new;

	ignore=ignore;
	new = mem_calloc(sizeof(struct assoc));
	new->label = stracpy("");
	new->ct = stracpy("");
	new->prog = stracpy("");
	new->block = new->xwin = new->cons = 1;
	new->ask = 1;
	new->accept_http = 0;
	new->accept_ftp = 0;
	new->type = 0;
	new->system = SYSTEM_ID;
	return new;
}

void assoc_delete_item(void *data)
{
	struct assoc *del=(struct assoc *)data;
	struct assoc *next=del->next;
	struct assoc *prev=del->prev;

	if (del->label)mem_free(del->label);
	if (del->ct)mem_free(del->ct);
	if (del->prog)mem_free(del->prog);
	if (next)next->prev=del->prev;
	if (prev)prev->next=del->next;
	mem_free(del);
}

void assoc_copy_item(void *in, void *out)
{
	struct assoc *item_in=(struct assoc *)in;
	struct assoc *item_out=(struct assoc *)out;

	item_out->cons=item_in->cons;
	item_out->xwin=item_in->xwin;
	item_out->block=item_in->block;
	item_out->ask=item_in->ask;
	item_out->accept_http=item_in->accept_http;
	item_out->accept_ftp=item_in->accept_ftp;
	item_out->system=item_in->system;

	if (item_out->label)mem_free(item_out->label);
	if (item_out->ct)mem_free(item_out->ct);
	if (item_out->prog)mem_free(item_out->prog);

	item_out->label=stracpy(item_in->label);
	item_out->ct=stracpy(item_in->ct);
	item_out->prog=stracpy(item_in->prog);
}

/* allocate string and print association into it */
/* x: 0=type all, 1=type title only */
unsigned char *assoc_type_item(struct terminal *term, void *data, int x)
{
	unsigned char *txt, *txt1;
	struct conv_table *table;
	struct assoc* item=(struct assoc*)data;

	if ((struct list*)item==(&assoc))return stracpy(_(TEXT(T_ASSOCIATIONS),term));
	txt=stracpy("");
	if (item->system != SYSTEM_ID) add_to_strn(&txt, "XX ");
	add_to_strn(&txt, item->label);
	if (item->ct){add_to_strn(&txt,": ");add_to_strn(&txt,item->ct);}
	if (!x)
	{
		add_to_strn(&txt," -> ");
		if (item->prog)add_to_strn(&txt,item->prog);
	}
	table=get_translation_table(assoc_ld.codepage,term->spec->charset);
	txt1=convert_string(table,txt,strlen(txt),NULL);
	mem_free(txt);
			
	return txt1;
}

void menu_assoc_manager(struct terminal *term,void *fcp,struct session *ses)
{
	create_list_window(&assoc_ld,&assoc,term,ses);
}

unsigned char *ct_msg[] = {
	TEXT(T_LABEL),
	TEXT(T_CONTENT_TYPES),
	TEXT(T_PROGRAM__IS_REPLACED_WITH_FILE_NAME),
#ifdef ASSOC_BLOCK
	TEXT(T_BLOCK_TERMINAL_WHILE_PROGRAM_RUNNING),
#endif
#ifdef ASSOC_CONS_XWIN
	TEXT(T_RUN_ON_TERMINAL),
	TEXT(T_RUN_IN_XWINDOW),
#endif
	TEXT(T_ASK_BEFORE_OPENING),
	TEXT(T_ACCEPT_HTTP),
	TEXT(T_ACCEPT_FTP),
};

void assoc_edit_item_fn(struct dialog_data *dlg)
{
	struct terminal *term = dlg->win->term;
	int max = 0, min = 0;
	int w, rw;
	int y = gf_val(-1, -G_BFU_FONT_SIZE);
	int p = 3;
	if (dlg->win->term->spec->braille) y += gf_val(1, G_BFU_FONT_SIZE);
#ifdef ASSOC_BLOCK
	p++;
#endif
#ifdef ASSOC_CONS_XWIN
	p += 2;
#endif
	max_text_width(term, ct_msg[0], &max, AL_LEFT);
	min_text_width(term, ct_msg[0], &min, AL_LEFT);
	max_text_width(term, ct_msg[1], &max, AL_LEFT);
	min_text_width(term, ct_msg[1], &min, AL_LEFT);
	max_text_width(term, ct_msg[2], &max, AL_LEFT);
	min_text_width(term, ct_msg[2], &min, AL_LEFT);
	max_group_width(term, ct_msg + 3, dlg->items + 3, p, &max);
	min_group_width(term, ct_msg + 3, dlg->items + 3, p, &min);
	max_buttons_width(term, dlg->items + 3 + p, 2, &max);
	min_buttons_width(term, dlg->items + 3 + p, 2, &min);
	w = term->x * 9 / 10 - 2 * DIALOG_LB;
	if (w > max) w = max;
	if (w < min) w = min;
	if (w > term->x - 2 * DIALOG_LB) w = term->x - 2 * DIALOG_LB;
	if (w < 1) w = 1;
	rw = 0;
	dlg_format_text_and_field(dlg, NULL, _(ct_msg[0], term), &dlg->items[0], 0, &y, w, &rw, COLOR_DIALOG_TEXT, AL_LEFT);
	y += gf_val(1, G_BFU_FONT_SIZE * 1);
	dlg_format_text_and_field(dlg, NULL, _(ct_msg[1], term), &dlg->items[1], 0, &y, w, &rw, COLOR_DIALOG_TEXT, AL_LEFT);
	y += gf_val(1, G_BFU_FONT_SIZE * 1);
	dlg_format_text_and_field(dlg, NULL, _(ct_msg[2], term), &dlg->items[2], 0, &y, w, &rw, COLOR_DIALOG_TEXT, AL_LEFT);
	y += gf_val(1, G_BFU_FONT_SIZE * 1);
	dlg_format_group(dlg, NULL, ct_msg + 3, dlg->items + 3, p, 0, &y, w, &rw);
	y += gf_val(1, G_BFU_FONT_SIZE);
	dlg_format_buttons(dlg, NULL, dlg->items + 3 + p, 2, 0, &y, w, &rw, AL_CENTER);
	w = rw;
	dlg->xw = w + 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, ct_msg[0], &dlg->items[0], dlg->x + DIALOG_LB, &y, w, NULL, COLOR_DIALOG_TEXT, AL_LEFT);
	y += gf_val(1, G_BFU_FONT_SIZE);
	dlg_format_text_and_field(dlg, term, ct_msg[1], &dlg->items[1], dlg->x + DIALOG_LB, &y, w, NULL, COLOR_DIALOG_TEXT, AL_LEFT);
	y += gf_val(1, G_BFU_FONT_SIZE);
	dlg_format_text_and_field(dlg, term, ct_msg[2], &dlg->items[2], dlg->x + DIALOG_LB, &y, w, NULL, COLOR_DIALOG_TEXT, AL_LEFT);
	y += gf_val(1, G_BFU_FONT_SIZE);
	dlg_format_group(dlg, term, ct_msg + 3, &dlg->items[3], p, dlg->x + DIALOG_LB, &y, w, NULL);
	y += gf_val(1, G_BFU_FONT_SIZE);
	dlg_format_buttons(dlg, term, &dlg->items[3 + p], 2, dlg->x + DIALOG_LB, &y, w, NULL, AL_CENTER);
}

/* Puts url and title into the bookmark item */
void assoc_edit_done(void *data)
{
	struct dialog *d=(struct dialog*)data;
	struct assoc *item=(struct assoc *)d->udata;
	struct assoc_ok_struct* s=(struct assoc_ok_struct*)d->udata2;
	unsigned char *txt;
	struct conv_table *table;
	unsigned char *label, *ct, *prog;

	label=(unsigned char *)&d->items[12];
	ct=label+MAX_STR_LEN;
	prog=ct+MAX_STR_LEN;

	table=get_translation_table(s->dlg->win->term->spec->charset,assoc_ld.codepage);
	txt=convert_string(table,label,strlen(label),NULL);
	mem_free(item->label); item->label=txt;

	txt=convert_string(table,ct,strlen(ct),NULL);
	mem_free(item->ct); item->ct=txt;

	txt=convert_string(table,prog,strlen(prog),NULL);
	mem_free(item->prog); item->prog=txt;

	s->fn(s->dlg,s->data,item,&assoc_ld);
	d->udata=0;  /* for abort function */
}

/* destroys an item, this function is called when edit window is aborted */
void assoc_edit_abort(struct dialog_data *data)
{
	struct assoc *item=(struct assoc*)data->dlg->udata;
	struct dialog *dlg=data->dlg;

	mem_free(dlg->udata2);
	if (item)assoc_delete_item(item);
}

void assoc_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)
{
	int p;
	struct assoc *new=(struct assoc*)data;
	struct terminal *term=dlg->win->term;
	struct dialog *d;
	struct assoc_ok_struct *s;
	unsigned char *ct, *prog, *label;

	d = mem_calloc(sizeof(struct dialog) + 12 * sizeof(struct dialog_item) + 3 * MAX_STR_LEN);

	label=(unsigned char *)&d->items[12];
	ct=label+MAX_STR_LEN;
	prog=ct+MAX_STR_LEN;

	if (new->label)strncpy(label,new->label,MAX_STR_LEN);
	if (new->ct)strncpy(ct,new->ct,MAX_STR_LEN);
	if (new->prog)strncpy(prog,new->prog,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_EDIT_ASSOCIATION);
		break;

		case TITLE_ADD:
		d->title=TEXT(T_ADD_ASSOCIATION);
		break;

		default:
		internal("Unsupported dialog title.\n");
	}

	d->udata=data;
	d->udata2=s;
	d->fn = assoc_edit_item_fn;
	d->abort=assoc_edit_abort;
	d->refresh=assoc_edit_done;
	d->refresh_data = d;
	d->items[0].type = D_FIELD;
	d->items[0].dlen = MAX_STR_LEN;
	d->items[0].data = label;
	d->items[0].fn = check_nonempty;
	d->items[1].type = D_FIELD;
	d->items[1].dlen = MAX_STR_LEN;
	d->items[1].data = ct;
	d->items[1].fn = check_nonempty;
	d->items[2].type = D_FIELD;
	d->items[2].dlen = MAX_STR_LEN;
	d->items[2].data = prog;
	d->items[2].fn = check_nonempty;
	p = 3;
#ifdef ASSOC_BLOCK
	d->items[p].type = D_CHECKBOX;
	d->items[p].data = (unsigned char *)&new->block;
	d->items[p++].dlen = sizeof(int);
#endif
#ifdef ASSOC_CONS_XWIN
	d->items[p].type = D_CHECKBOX;
	d->items[p].data = (unsigned char *)&new->cons;
	d->items[p++].dlen = sizeof(int);
	d->items[p].type = D_CHECKBOX;
	d->items[p].data = (unsigned char *)&new->xwin;
	d->items[p++].dlen = sizeof(int);
#endif
	d->items[p].type = D_CHECKBOX;
	d->items[p].data = (unsigned char *)&new->ask;
	d->items[p++].dlen = sizeof(int);
	d->items[p].type = D_CHECKBOX;
	d->items[p].data = (unsigned char *)&new->accept_http;
	d->items[p++].dlen = sizeof(int);
	d->items[p].type = D_CHECKBOX;
	d->items[p].data = (unsigned char *)&new->accept_ftp;
	d->items[p++].dlen = sizeof(int);
	d->items[p].type = D_BUTTON;
	d->items[p].gid = B_ENTER;
	d->items[p].fn = ok_dialog;
	d->items[p++].text = TEXT(T_OK);
	d->items[p].type = D_BUTTON;
	d->items[p].gid = B_ESC;
	d->items[p].text = TEXT(T_CANCEL);
	d->items[p++].fn = cancel_dialog;
	d->items[p++].type = D_END;
	do_dialog(term, d, getml(d, NULL));
}

void *assoc_find_item(void *start, unsigned char *str, int direction)
{
	struct assoc *a,*s=(struct assoc *)start;
	
	if (direction==1)
	{
		for (a=s->next; a!=s; a=a->next)
			if (a->depth>-1)
			{
				if (a->label && casestrstr(a->label,str)) return a;
				if (a->ct && casestrstr(a->ct,str)) return a;