int
post_form(FORM *f)
{
int x, y, v;
if (!f)
return (E_BAD_ARGUMENT);
if (Status(f, POSTED))
return (E_POSTED);
if (!f->field)
return (E_NOT_CONNECTED);
getmaxyx(Sub(f), y, x);
if (f->rows > y || f->cols > x)
return (E_NO_ROOM);
v = _set_form_page(f, P(f), C(f));
if (v != E_OK)
return (v);
Set(f, POSTED);
init_form(f);
init_field(f);
(void) _update_current(f);
return (E_OK);
}
int
set_form_page(FORM *f, int page)
{
if (!f || !ValidPage(f, page))
return (E_BAD_ARGUMENT);
if (!Status(f, POSTED)) {
P(f) = page;
C(f) = _first_active(f);
return (E_OK);
}
if (Status(f, DRIVER))
return (E_BAD_STATE);
if (page != P(f)) {
if (_validate(f)) {
int v;
term_field(f);
term_form(f);
v = _set_form_page(f, page, (FIELD *) 0);
init_form(f);
init_field(f);
(void) _update_current(f);
return (v);
} else
return (E_INVALID_FIELD);
}
return (E_OK);
}
int
set_current_field(FORM *f, FIELD *c)
{
if (!f || !c || c->form != f)
return (E_BAD_ARGUMENT);
if (!Opt(c, O_ACTIVE) || !Opt(c, O_VISIBLE))
return (E_REQUEST_DENIED);
if (!Status(f, POSTED)) {
C(f) = c;
P(f) = c->page;
return (E_OK);
}
if (Status(f, DRIVER))
return (E_BAD_STATE);
if (c != C(f)) {
if (_validate(f)) {
int v;
term_field(f);
if (c -> page != P(f)) { /* page change */
term_form(f);
v = _set_form_page(f, c->page, c);
init_form(f);
} else
v = _set_current_field(f, c);
init_field(f);
(void) _update_current(f);
return (v);
} else
return (E_INVALID_FIELD);
}
return (E_OK);
}
void
html_form(struct html_context *html_context, unsigned char *a,
unsigned char *xxx3, unsigned char *xxx4, unsigned char **xxx5)
{
unsigned char *al;
struct form *form;
html_context->was_br = 1;
form = init_form();
if (!form) return;
form->method = FORM_METHOD_GET;
form->form_num = a - html_context->startf;
al = get_attr_val(a, (unsigned char *)"method", html_context->doc_cp);
if (al) {
if (!c_strcasecmp((const char *)al, "post")) {
unsigned char *enctype;
enctype = get_attr_val(a, (unsigned char *)"enctype",
html_context->doc_cp);
form->method = FORM_METHOD_POST;
if (enctype) {
if (!c_strcasecmp((const char *)enctype, "multipart/form-data"))
form->method = FORM_METHOD_POST_MP;
else if (!c_strcasecmp((const char *)enctype, "text/plain"))
form->method = FORM_METHOD_POST_TEXT_PLAIN;
mem_free(enctype);
}
}
mem_free(al);
}
form->onsubmit = get_attr_val(a, (unsigned char *)"onsubmit", html_context->doc_cp);
al = get_attr_val(a, (unsigned char *)"name", html_context->doc_cp);
if (al) form->name = al;
al = get_attr_val(a, (unsigned char *)"action", html_context->doc_cp);
/* The HTML specification at
* http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.3 states
* that the behavior of an empty action attribute should be undefined.
* Mozilla handles action="" as action="<current-URI>" which seems
* reasonable. (bug 615) */
if (al && *al) {
form->action = join_urls(html_context->base_href, trim_chars(al, ' ', NULL));
mem_free(al);
} else {
enum uri_component components = URI_ORIGINAL;
mem_free_if(al);
/* We have to do following for GET method, because we would end
* up with two '?' otherwise. */
if (form->method == FORM_METHOD_GET)
components = URI_FORM_GET;
form->action = get_uri_string(html_context->base_href, components);
/* No action URI should contain post data */
assert(!form->action || !strchr((char *)form->action, POST_CHAR));
/* GET method URIs should not have '?'. */
assert(!form->action
|| form->method != FORM_METHOD_GET
|| !strchr((char *)form->action, '?'));
}
al = get_target(html_context->options, a);
form->target = al ? al : stracpy(html_context->base_target);
html_context->special_f(html_context, SP_FORM, form);
}
