mirror of
https://github.com/rkd77/elinks.git
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169 lines
2.9 KiB
C
169 lines
2.9 KiB
C
/** The document base functionality
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* @file */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "bfu/listmenu.h"
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#include "document/document.h"
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#include "document/forms.h"
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#include "document/renderer.h"
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#include "util/error.h"
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#include "util/lists.h"
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#include "util/memory.h"
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struct form_type_name {
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enum form_type num;
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const char *name;
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};
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static struct form_type_name form_type2name[] = {
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{ FC_TEXT, "text" },
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{ FC_PASSWORD, "password" },
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{ FC_FILE, "file" },
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{ FC_TEXTAREA, "textarea" },
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{ FC_CHECKBOX, "checkbox" },
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{ FC_RADIO, "radio" },
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{ FC_SELECT, "select" },
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{ FC_SUBMIT, "submit" },
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{ FC_IMAGE, "image" },
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{ FC_HIDDEN, "hidden" },
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};
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#define FORM_TYPE_COUNT (sizeof(form_type2name)/sizeof(struct form_type_name))
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enum form_type
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str2form_type(const char *s)
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{
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int n;
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for (n = 0; n < FORM_TYPE_COUNT; n++)
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if (!strcmp(form_type2name[n].name, s))
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return form_type2name[n].num;
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return FC_NONE;
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}
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const char *
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form_type2str(enum form_type num)
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{
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int n;
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for (n = 0; n < FORM_TYPE_COUNT; n++)
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if (form_type2name[n].num == num)
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return form_type2name[n].name;
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return NULL;
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}
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#undef FORM_TYPE_COUNT
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struct form *
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init_form(void)
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{
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struct form *form = (struct form *)mem_calloc(1, sizeof(*form));
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if (!form) return NULL;
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/* Make the form initially stretch the whole range. */
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form->form_end = INT_MAX;
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init_list(form->items);
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return form;
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}
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void
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done_form(struct form *form)
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{
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struct el_form_control *fc;
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if (form->next)
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del_from_list(form);
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mem_free_if(form->action);
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mem_free_if(form->name);
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mem_free_if(form->onsubmit);
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mem_free_if(form->target);
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foreach (fc, form->items) {
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done_form_control(fc);
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}
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free_list(form->items);
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mem_free(form);
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}
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int
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has_form_submit(struct form *form)
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{
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struct el_form_control *fc;
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assert(form);
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if_assert_failed return 0;
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assertm(!list_empty(form->items), "form has no items");
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foreach (fc, form->items) {
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if (fc->type == FC_SUBMIT || fc->type == FC_IMAGE)
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return 1;
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}
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/* Return path :-). */
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return 0;
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}
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int
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get_form_control_link(struct document *document, struct el_form_control *fc)
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{
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int link;
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/* Hidden form fields have no links. */
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if (fc->type == FC_HIDDEN)
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return -1;
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if (!document->links_sorted) sort_links(document);
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for (link = 0; link < document->nlinks; link++)
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if (fc == get_link_form_control(&document->links[link]))
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return link;
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assertm(0, "Form control has no link.");
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return -1;
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}
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void
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done_form_control(struct el_form_control *fc)
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{
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int i;
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assert(fc);
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if_assert_failed return;
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mem_free_if(fc->id);
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mem_free_if(fc->name);
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mem_free_if(fc->alt);
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mem_free_if(fc->default_value);
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for (i = 0; i < fc->nvalues; i++) {
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mem_free_if(fc->values[i]);
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mem_free_if(fc->labels[i]);
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}
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mem_free_if(fc->values);
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mem_free_if(fc->labels);
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if (fc->menu) free_menu(fc->menu);
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}
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