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146 lines
3.0 KiB
C
146 lines
3.0 KiB
C
#ifndef EL__DOCUMENT_FORMS_H
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#define EL__DOCUMENT_FORMS_H
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#ifdef CONFIG_QUICKJS
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#include <quickjs/quickjs.h>
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#endif
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#include "util/lists.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct document;
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struct menu_item;
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enum form_method {
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FORM_METHOD_GET,
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FORM_METHOD_POST,
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FORM_METHOD_POST_MP,
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FORM_METHOD_POST_TEXT_PLAIN,
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};
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struct form {
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LIST_HEAD(struct form);
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/** The value of @c form_num serves both as a unique ID of the form.
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* However @c form_num and #form_end also stores information about where
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* in the source the form is positioned. Combined they are used to
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* figured which form items belong to which forms after rendering
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* tables.
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*
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* Initially the range between @c form_num and #form_end will
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* stretch from 0 to INT_MAX. When a new form is added the
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* range is partitioned so the forms each has unique source
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* ranges. */
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int form_num;
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int form_end; /**< @see #form_num */
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char *action;
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char *name;
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char *onsubmit;
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char *target;
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enum form_method method;
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#ifdef CONFIG_ECMASCRIPT
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#ifdef CONFIG_QUICKJS
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JSValue ecmascript_obj;
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#else
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void *ecmascript_obj;
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#endif
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#endif
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LIST_OF(struct el_form_control) items;
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};
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enum form_type {
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FC_TEXT,
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FC_PASSWORD,
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FC_FILE,
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FC_TEXTAREA,
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FC_CHECKBOX,
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FC_RADIO,
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FC_SELECT,
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FC_SUBMIT,
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FC_IMAGE,
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FC_RESET,
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FC_BUTTON,
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FC_HIDDEN,
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FC_NONE = -1
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};
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enum form_mode {
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FORM_MODE_NORMAL,
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FORM_MODE_READONLY,
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FORM_MODE_DISABLED,
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};
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typedef unsigned char form_mode_T;
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#define form_field_is_readonly(field) ((field)->mode != FORM_MODE_NORMAL)
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enum form_wrap {
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FORM_WRAP_NONE,
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FORM_WRAP_SOFT,
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FORM_WRAP_HARD,
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};
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struct el_form_control {
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LIST_HEAD(struct el_form_control);
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struct form *form;
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int g_ctrl_num;
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/** The value of @c position is relative to the place of the
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* form item in the source. */
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int position;
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enum form_type type;
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form_mode_T mode;
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char *id; /**< used by scripts */
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char *name;
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char *alt;
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/** Default value, cannot be changed by document scripts.
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* - For ::FC_TEXT, ::FC_PASSWORD, and ::FC_TEXTAREA:
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* @c default_value is in the charset of the document.
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* - For ::FC_FILE: The parser does not set @c default_value. */
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char *default_value;
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int default_state;
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int size;
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int cols, rows;
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enum form_wrap wrap;
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int maxlength;
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int nvalues;
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char **values;
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/** Labels in a selection menu.
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* - For ::FC_SELECT: @c labels are in the charset of the terminal.
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* (That charset can be UTF-8 only if CONFIG_UTF8 is defined,
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* and is assumed to be unibyte otherwise.) The charset of
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* the document and the UTF-8 I/O option have no effect here. */
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char **labels;
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struct menu_item *menu;
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};
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/* Numerical form type <-> form type name */
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enum form_type str2form_type(const char *s);
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const char *form_type2str(enum form_type num);
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struct form *init_form(void);
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void done_form(struct form *form);
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int has_form_submit(struct form *form);
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int get_form_control_link(struct document *document, struct el_form_control *fc);
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void done_form_control(struct el_form_control *fc);
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#ifdef __cplusplus
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}
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#endif
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#endif
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