653 lines
15 KiB
C
653 lines
15 KiB
C
/* $Id: form.c,v 1.11 2001/12/27 18:22:59 ukai Exp $ */
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/*
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* HTML forms
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*/
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#include "fm.h"
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#include "parsetag.h"
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#include "parsetagx.h"
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#include "myctype.h"
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#include "local.h"
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#ifdef __EMX__
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/* lstat is identical to stat, only the link itself is statted, not the file
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* that is obtained by tracing the links. But on OS/2 systems, there is no
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* differences. */
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#define lstat stat
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#endif /* __EMX__ */
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extern Str *textarea_str;
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#ifdef MENU_SELECT
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extern FormSelectOption *select_option;
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#include "menu.h"
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#endif /* MENU_SELECT */
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/* *INDENT-OFF* */
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struct {
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char *action;
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void (*rout)(struct parsed_tagarg *);
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} internal_action[] = {
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{"map", follow_map},
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{"option", panel_set_option},
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#ifdef USE_COOKIE
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{"cookie", set_cookie_flag},
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#endif /* USE_COOKIE */
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{"none", NULL},
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{NULL, NULL},
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};
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/* *INDENT-ON* */
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struct form_list *
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newFormList(char *action, char *method, char *charset, char *enctype,
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char *target, char *name, struct form_list *_next)
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{
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struct form_list *l;
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Str a = Strnew_charp(action);
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int m = FORM_METHOD_GET;
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int e = FORM_ENCTYPE_URLENCODED;
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int c = 0;
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if (method == NULL || !strcasecmp(method, "get"))
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m = FORM_METHOD_GET;
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else if (!strcasecmp(method, "post"))
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m = FORM_METHOD_POST;
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else if (!strcasecmp(method, "internal"))
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m = FORM_METHOD_INTERNAL;
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/* unknown method is regarded as 'get' */
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if (enctype != NULL && !strcasecmp(enctype, "multipart/form-data")) {
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e = FORM_ENCTYPE_MULTIPART;
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if (m == FORM_METHOD_GET)
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m = FORM_METHOD_POST;
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}
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if (charset != NULL)
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c = *charset;
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l = New(struct form_list);
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l->item = l->lastitem = NULL;
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l->action = a;
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l->method = m;
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l->charset = c;
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l->enctype = e;
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l->target = target;
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l->name = name;
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l->next = _next;
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l->nitems = 0;
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l->body = NULL;
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l->length = 0;
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return l;
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}
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/*
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* add <input> element to form_list
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*/
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struct form_item_list *
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formList_addInput(struct form_list *fl, struct parsed_tag *tag)
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{
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struct form_item_list *item;
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char *p;
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int i;
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/* if not in <form>..</form> environment, just ignore <input> tag */
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if (fl == NULL)
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return NULL;
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item = New(struct form_item_list);
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item->type = FORM_UNKNOWN;
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item->size = -1;
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item->rows = 0;
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item->checked = item->init_checked = 0;
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item->accept = 0;
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item->name = NULL;
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item->value = item->init_value = NULL;
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item->readonly = 0;
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if (parsedtag_get_value(tag, ATTR_TYPE, &p)) {
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item->type = formtype(p);
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if (item->size < 0 &&
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(item->type == FORM_INPUT_TEXT ||
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item->type == FORM_INPUT_FILE ||
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item->type == FORM_INPUT_PASSWORD))
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item->size = FORM_I_TEXT_DEFAULT_SIZE;
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}
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if (parsedtag_get_value(tag, ATTR_NAME, &p))
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item->name = Strnew_charp(p);
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if (parsedtag_get_value(tag, ATTR_VALUE, &p))
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item->value = item->init_value = Strnew_charp(p);
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item->checked = item->init_checked = parsedtag_exists(tag, ATTR_CHECKED);
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item->accept = parsedtag_exists(tag, ATTR_ACCEPT);
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parsedtag_get_value(tag, ATTR_SIZE, &item->size);
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parsedtag_get_value(tag, ATTR_MAXLENGTH, &item->maxlength);
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item->readonly = parsedtag_exists(tag, ATTR_READONLY);
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if (parsedtag_get_value(tag, ATTR_TEXTAREANUMBER, &i))
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item->value = item->init_value = textarea_str[i];
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#ifdef MENU_SELECT
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if (parsedtag_get_value(tag, ATTR_SELECTNUMBER, &i))
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item->select_option = select_option[i].first;
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#endif /* MENU_SELECT */
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if (parsedtag_get_value(tag, ATTR_ROWS, &p))
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item->rows = atoi(p);
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if (item->type == FORM_UNKNOWN) {
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/* type attribute is missing. Ignore the tag. */
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return NULL;
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}
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#ifdef MENU_SELECT
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if (item->type == FORM_SELECT) {
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chooseSelectOption(item, item->select_option);
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item->init_selected = item->selected;
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item->init_value = item->value;
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item->init_label = item->label;
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}
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#endif /* MENU_SELECT */
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if (item->type == FORM_INPUT_FILE && item->value && item->value->length) {
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/* security hole ! */
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return NULL;
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}
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item->parent = fl;
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item->next = NULL;
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if (fl->item == NULL) {
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fl->item = fl->lastitem = item;
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}
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else {
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fl->lastitem->next = item;
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fl->lastitem = item;
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}
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if (item->type == FORM_INPUT_HIDDEN)
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return NULL;
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fl->nitems++;
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return item;
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}
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static char *_formtypetbl[] = {
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"text", "password", "checkbox", "radio", "submit",
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"reset", "hidden", "image", "select", "textarea", "button", "file", 0,
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};
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static char *_formmethodtbl[] = {
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"GET", "POST", "INTERNAL", "HEAD"
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};
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char *
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form2str(FormItemList *fi)
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{
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Str tmp;
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if (fi->type == FORM_INPUT_SUBMIT ||
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fi->type == FORM_INPUT_IMAGE || fi->type == FORM_INPUT_BUTTON) {
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tmp = Strnew_charp(_formmethodtbl[fi->parent->method]);
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Strcat_char(tmp, ' ');
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Strcat(tmp, fi->parent->action);
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return tmp->ptr;
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}
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else
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return _formtypetbl[fi->type];
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}
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int
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formtype(char *typestr)
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{
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int i;
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for (i = 0; _formtypetbl[i]; i++) {
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if (!strcasecmp(typestr, _formtypetbl[i]))
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return i;
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}
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return FORM_UNKNOWN;
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}
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void
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formRecheckRadio(Anchor *a, Buffer *buf, FormItemList *fi)
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{
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int i;
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Anchor *a2;
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FormItemList *f2;
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for (i = 0; i < buf->formitem->nanchor; i++) {
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a2 = &buf->formitem->anchors[i];
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f2 = (FormItemList *)a2->url;
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if (f2->parent == fi->parent && f2 != fi &&
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f2->type == FORM_INPUT_RADIO && Strcmp(f2->name, fi->name) == 0) {
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f2->checked = 0;
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formUpdateBuffer(a2, buf, f2);
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}
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}
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fi->checked = 1;
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formUpdateBuffer(a, buf, fi);
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}
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void
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formResetBuffer(Buffer *buf, AnchorList *formitem)
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{
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int i;
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Anchor *a;
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FormItemList *f1, *f2;
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if (buf == NULL || buf->formitem == NULL || formitem == NULL)
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return;
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for (i = 0; i < buf->formitem->nanchor && i < formitem->nanchor; i++) {
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a = &buf->formitem->anchors[i];
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f1 = (FormItemList *)a->url;
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f2 = (FormItemList *)formitem->anchors[i].url;
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if (f1->type != f2->type ||
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strcmp(((f1->name == NULL) ? "" : f1->name->ptr),
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((f2->name == NULL) ? "" : f2->name->ptr)))
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break; /* What's happening */
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switch (f1->type) {
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case FORM_INPUT_TEXT:
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case FORM_INPUT_PASSWORD:
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case FORM_INPUT_FILE:
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case FORM_TEXTAREA:
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f1->value = f2->value;
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break;
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case FORM_INPUT_CHECKBOX:
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case FORM_INPUT_RADIO:
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f1->checked = f2->checked;
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break;
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case FORM_SELECT:
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#ifdef MENU_SELECT
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f1->select_option = f2->select_option;
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f1->label = f2->label;
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#endif /* MENU_SELECT */
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break;
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default:
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continue;
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}
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formUpdateBuffer(a, buf, f1);
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}
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}
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void
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formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form)
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{
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int i, j, k;
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Buffer save;
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char *p;
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int spos, epos, c_len, rows, c_rows, pos, col = 0;
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Lineprop c_type;
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Line *l;
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copyBuffer(&save, buf);
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gotoLine(buf, a->start.line);
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switch (form->type) {
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case FORM_TEXTAREA:
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case FORM_INPUT_TEXT:
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case FORM_INPUT_FILE:
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case FORM_INPUT_PASSWORD:
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case FORM_INPUT_CHECKBOX:
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case FORM_INPUT_RADIO:
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#ifdef MENU_SELECT
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case FORM_SELECT:
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#endif /* MENU_SELECT */
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spos = a->start.pos - 1;
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epos = a->end.pos;
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break;
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default:
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spos = a->start.pos;
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epos = a->end.pos - 1;
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}
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switch (form->type) {
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case FORM_INPUT_CHECKBOX:
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case FORM_INPUT_RADIO:
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if (form->checked)
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buf->currentLine->lineBuf[spos + 1] = '*';
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else
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buf->currentLine->lineBuf[spos + 1] = ' ';
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break;
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case FORM_INPUT_TEXT:
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case FORM_INPUT_FILE:
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case FORM_INPUT_PASSWORD:
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case FORM_TEXTAREA:
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#ifdef MENU_SELECT
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case FORM_SELECT:
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if (form->type == FORM_SELECT) {
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p = form->label->ptr;
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updateSelectOption(form, form->select_option);
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}
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else
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#endif /* MENU_SELECT */
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p = form->value->ptr;
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j = 0;
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l = buf->currentLine;
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if (form->type == FORM_TEXTAREA) {
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int n = a->y - buf->currentLine->linenumber;
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if (n > 0)
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for (; l && n; l = l->prev, n--) ;
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else if (n < 0)
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for (; l && n; l = l->prev, n++) ;
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if (!l)
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break;
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}
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rows = form->rows ? form->rows : 1;
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if (rows > 1)
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col = COLPOS(l, a->start.pos);
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for (c_rows = 0; c_rows < rows; c_rows++, l = l->next) {
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if (rows > 1) {
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pos = columnPos(l, col);
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a = retrieveAnchor(buf->formitem, l->linenumber, pos);
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if (a == NULL)
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break;
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spos = a->start.pos - 1;
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epos = a->end.pos;
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}
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i = spos + 1;
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while (p[j]) {
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if (rows > 1 && (p[j] == '\r' || p[j] == '\n'))
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break;
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if (p[j] == '\r') {
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j++;
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continue;
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}
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c_type = get_mctype(&p[j]);
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c_len = get_mclen(c_type);
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k = i + c_len;
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if (k > epos)
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break;
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#ifdef JP_CHARSET
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if (c_type == PC_KANJI && form->type != FORM_INPUT_PASSWORD) {
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SetCharType(l->propBuf[i], PC_KANJI1);
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SetCharType(l->propBuf[i + 1], PC_KANJI2);
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}
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else
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#endif /* JP_CHARSET */
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SetCharType(l->propBuf[i], PC_ASCII);
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for (; i < k; i++, j++) {
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if (form->type == FORM_INPUT_PASSWORD)
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l->lineBuf[i] = '*';
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else if (c_type == PC_CTRL ||
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IS_UNPRINTABLE_ASCII(p[j], c_type))
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l->lineBuf[i] = ' ';
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else
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l->lineBuf[i] = p[j];
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}
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}
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if (rows > 1) {
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if (!FoldTextarea) {
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while (p[j] && p[j] != '\r' && p[j] != '\n')
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j++;
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}
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if (p[j] == '\r')
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j++;
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if (p[j] == '\n')
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j++;
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}
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for (; i < epos; i++) {
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l->lineBuf[i] = ' ';
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SetCharType(l->propBuf[i], PC_ASCII);
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}
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}
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break;
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}
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copyBuffer(buf, &save);
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}
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Str
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textfieldrep(Str s, int width)
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{
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Lineprop c_type;
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Str n = Strnew_size(width + 2);
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int i, j, k, c_len;
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j = 0;
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for (i = 0; i < s->length; i += c_len) {
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c_type = get_mctype(&s->ptr[i]);
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c_len = get_mclen(c_type);
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if (s->ptr[i] == '\r') {
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continue;
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}
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k = j + c_len;
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if (k > width)
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break;
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if (IS_CNTRL(s->ptr[i])) {
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Strcat_char(n, ' ');
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}
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else if (s->ptr[i] == '&')
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Strcat_charp(n, "&");
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else if (s->ptr[i] == '<')
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Strcat_charp(n, "<");
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else if (s->ptr[i] == '>')
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Strcat_charp(n, ">");
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else
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Strcat_charp_n(n, &s->ptr[i], c_len);
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j = k;
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}
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for (; j < width; j++)
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Strcat_char(n, ' ');
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return n;
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}
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static void
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form_fputs_decode(Str s, FILE * f)
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{
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char *p;
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Str z = Strnew();
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for (p = s->ptr; *p;) {
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switch (*p) {
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case '<':
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if (!strncasecmp(p, "<eol>", 5)) {
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Strcat_char(z, '\n');
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p += 5;
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}
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else {
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Strcat_char(z, *p);
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p++;
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}
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break;
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#if !defined( __CYGWIN__ ) && !defined( __EMX__ )
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case '\r':
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if (*(p + 1) == '\n')
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p++;
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/* continue to the next label */
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#endif /* !defined( __CYGWIN__ ) && !defined( __EMX__
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* ) */
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default:
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Strcat_char(z, *p);
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p++;
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break;
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}
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}
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#ifdef JP_CHARSET
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fputs(conv_str(z, InnerCode, DisplayCode)->ptr, f);
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#else /* not JP_CHARSET */
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fputs(z->ptr, f);
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#endif /* not JP_CHARSET */
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}
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void
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input_textarea(FormItemList *fi)
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{
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char *tmpf = tmpfname(TMPF_DFL, NULL)->ptr;
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Str tmp;
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FILE *f;
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#ifdef JP_CHARSET
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char code = DisplayCode, ic;
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#endif
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f = fopen(tmpf, "w");
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if (f == NULL) {
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disp_err_message("Can't open temporary file", FALSE);
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return;
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}
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if (fi->value)
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form_fputs_decode(fi->value, f);
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fclose(f);
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fmTerm();
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system(myEditor(Editor, tmpf, 1)->ptr);
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fmInit();
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if (fi->readonly)
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return;
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f = fopen(tmpf, "r");
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if (f == NULL) {
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disp_err_message("Can't open temporary file", FALSE);
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return;
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}
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fi->value = Strnew();
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while (tmp = Strfgets(f), tmp->length > 0) {
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if (tmp->length == 1 && tmp->ptr[tmp->length - 1] == '\n') {
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/* null line with bare LF */
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tmp = Strnew_charp("\r\n");
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}
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else if (tmp->length > 1 && tmp->ptr[tmp->length - 1] == '\n' &&
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tmp->ptr[tmp->length - 2] != '\r') {
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Strshrink(tmp, 1);
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Strcat_charp(tmp, "\r\n");
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}
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#ifdef JP_CHARSET
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if ((ic = checkShiftCode(tmp, code)) != '\0')
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tmp = conv_str(tmp, (code = ic), InnerCode);
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#endif /* not JP_CHARSET */
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Strcat(fi->value, tmp);
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}
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fclose(f);
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unlink(tmpf);
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}
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void
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do_internal(char *action, char *data)
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{
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int i;
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for (i = 0; internal_action[i].action; i++) {
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if (strcasecmp(internal_action[i].action, action) == 0) {
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if (internal_action[i].rout)
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internal_action[i].rout(cgistr2tagarg(data));
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return;
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}
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}
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}
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#ifdef MENU_SELECT
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void
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|
addSelectOption(FormSelectOption *fso, Str value, Str label, int chk)
|
|
{
|
|
FormSelectOptionItem *o;
|
|
o = New(FormSelectOptionItem);
|
|
if (value == NULL)
|
|
value = label;
|
|
o->value = value;
|
|
Strremovefirstspaces(label);
|
|
Strremovetrailingspaces(label);
|
|
o->label = label;
|
|
o->checked = chk;
|
|
o->next = NULL;
|
|
if (fso->first == NULL)
|
|
fso->first = fso->last = o;
|
|
else {
|
|
fso->last->next = o;
|
|
fso->last = o;
|
|
}
|
|
}
|
|
|
|
void
|
|
chooseSelectOption(FormItemList *fi, FormSelectOptionItem *item)
|
|
{
|
|
FormSelectOptionItem *opt;
|
|
int i;
|
|
|
|
fi->selected = 0;
|
|
if (item == NULL) {
|
|
fi->value = Strnew_size(0);
|
|
fi->label = Strnew_size(0);
|
|
return;
|
|
}
|
|
fi->value = item->value;
|
|
fi->label = item->label;
|
|
for (i = 0, opt = item; opt != NULL; i++, opt = opt->next) {
|
|
if (opt->checked) {
|
|
fi->value = opt->value;
|
|
fi->label = opt->label;
|
|
fi->selected = i;
|
|
break;
|
|
}
|
|
}
|
|
updateSelectOption(fi, item);
|
|
}
|
|
|
|
void
|
|
updateSelectOption(FormItemList *fi, FormSelectOptionItem *item)
|
|
{
|
|
int i;
|
|
|
|
if (fi == NULL || item == NULL)
|
|
return;
|
|
for (i = 0; item != NULL; i++, item = item->next) {
|
|
if (i == fi->selected)
|
|
item->checked = TRUE;
|
|
else
|
|
item->checked = FALSE;
|
|
}
|
|
}
|
|
|
|
int
|
|
formChooseOptionByMenu(struct form_item_list *fi, int x, int y)
|
|
{
|
|
int i, n, selected = -1, init_select = fi->selected;
|
|
FormSelectOptionItem *opt;
|
|
char **label;
|
|
|
|
for (n = 0, opt = fi->select_option; opt != NULL; n++, opt = opt->next) ;
|
|
label = New_N(char *, n + 1);
|
|
for (i = 0, opt = fi->select_option; opt != NULL; i++, opt = opt->next)
|
|
label[i] = opt->label->ptr;
|
|
label[n] = NULL;
|
|
|
|
optionMenu(x, y, label, &selected, init_select, NULL);
|
|
|
|
if (selected < 0)
|
|
return 0;
|
|
for (i = 0, opt = fi->select_option; opt != NULL; i++, opt = opt->next) {
|
|
if (i == selected) {
|
|
fi->selected = selected;
|
|
fi->value = opt->value;
|
|
fi->label = opt->label;
|
|
break;
|
|
}
|
|
}
|
|
updateSelectOption(fi, fi->select_option);
|
|
return 1;
|
|
}
|
|
#endif /* MENU_SELECT */
|
|
|
|
void
|
|
form_write_data(FILE * f, char *boundary, char *name, char *value)
|
|
{
|
|
fprintf(f, "--%s\r\n", boundary);
|
|
fprintf(f, "Content-Disposition: form-data; name=\"%s\"\r\n\r\n", name);
|
|
fprintf(f, "%s\r\n", value);
|
|
}
|
|
|
|
void
|
|
form_write_from_file(FILE * f, char *boundary, char *name, char *filename,
|
|
char *file)
|
|
{
|
|
FILE *fd;
|
|
struct stat st;
|
|
int c;
|
|
char *type;
|
|
|
|
fprintf(f, "--%s\r\n", boundary);
|
|
fprintf(f,
|
|
"Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\n",
|
|
name, mybasename(filename));
|
|
type = guessContentType(file);
|
|
fprintf(f, "Content-Type: %s\r\n\r\n",
|
|
type ? type : "application/octet-stream");
|
|
|
|
#ifdef HAVE_READLINK /* readline == lstat ? (ukai) */
|
|
if (lstat(file, &st) < 0)
|
|
goto write_end;
|
|
#endif /* HAVE_READLINK */
|
|
if (S_ISDIR(st.st_mode))
|
|
goto write_end;
|
|
fd = fopen(file, "r");
|
|
if (fd != NULL) {
|
|
while ((c = fgetc(fd)) != EOF)
|
|
fputc(c, f);
|
|
fclose(fd);
|
|
}
|
|
write_end:
|
|
fprintf(f, "\r\n");
|
|
}
|