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122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
#ifndef EL__DOCUMENT_FORMS_H
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#define EL__DOCUMENT_FORMS_H
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#include "util/lists.h"
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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 @form_num serves both as a unique ID of the form.
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* However @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 @form_num and @form_end will stretch from
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* 0 to INT_MAX. When a new form is added the range is partitioned so
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* the forms each has unique source ranges. */
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int form_num;
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int form_end;
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unsigned char *action;
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unsigned char *name;
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unsigned char *onsubmit;
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unsigned char *target;
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enum form_method method;
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LIST_OF(struct 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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};
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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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#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 form_control {
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LIST_HEAD(struct form_control);
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struct form *form;
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int g_ctrl_num;
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/* The value of @position is relative to the place of the form item in
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* the source. */
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int position;
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enum form_type type;
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enum form_mode mode;
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unsigned char *id; /* used by scripts */
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unsigned char *name;
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unsigned char *alt;
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/* For FC_TEXT, FC_PASSWORD, and FC_TEXTAREA: @default_value
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* is in the charset of the document.
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*
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* For FC_FILE: The parser does not set @default_value. */
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unsigned 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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unsigned char **values;
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/* For FC_SELECT: @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
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* here. */
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unsigned 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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int str2form_type(unsigned char *s);
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unsigned 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 form_control *fc);
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void done_form_control(struct form_control *fc);
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#endif
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