| 0,0 → 1,99 |
|---|
| /* |
| * Copyright 2010 John-Mark Bell <jmb@netsurf-browser.org> |
| * |
| * This file is part of NetSurf, http://www.netsurf-browser.org/ |
| * |
| * NetSurf is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * NetSurf is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <stdlib.h> |
| |
| #include "utils/http/generics.h" |
| #include "utils/http/primitives.h" |
| |
| /** |
| * Destructor for an item list |
| * |
| * \param list List to destroy |
| */ |
| void http___item_list_destroy(http__item *list) |
| { |
| while (list != NULL) { |
| http__item *victim = list; |
| |
| list = victim->next; |
| |
| victim->free(victim); |
| } |
| } |
| |
| /** |
| * Parse a list of items |
| * |
| * \param input Pointer to current input byte. Updated on exit. |
| * \param itemparser Pointer to function to parse list items |
| * \param first Pointer to first item, or NULL. |
| * \param parameters Pointer to location to receive on-heap parameter list. |
| * \return NSERROR_OK on success, |
| * NSERROR_NOMEM on memory exhaustion, |
| * NSERROR_NOT_FOUND if no items could be parsed |
| * |
| * The returned list is owned by the caller |
| * |
| * \note Ownership of the \a first item is passed to this function. |
| */ |
| nserror http___item_list_parse(const char **input, |
| http__itemparser itemparser, http__item *first, |
| http__item **items) |
| { |
| const char *pos = *input; |
| const char separator = *pos; |
| http__item *item; |
| http__item *list = first; |
| nserror error = NSERROR_OK; |
| |
| /* 1*( <separator> <item> ) */ |
| |
| while (*pos == separator) { |
| pos++; |
| |
| http__skip_LWS(&pos); |
| |
| error = itemparser(&pos, &item); |
| if (error == NSERROR_OK) { |
| if (list != NULL) |
| item->next = list; |
| |
| list = item; |
| |
| http__skip_LWS(&pos); |
| } else if (error != NSERROR_NOT_FOUND) { |
| /* Permit <separator> LWS <separator> */ |
| break; |
| } |
| } |
| |
| if (error != NSERROR_OK && error != NSERROR_NOT_FOUND) { |
| http__item_list_destroy(list); |
| } else if (list == NULL) { |
| error = NSERROR_NOT_FOUND; |
| } else { |
| error = NSERROR_OK; |
| *items = list; |
| *input = pos; |
| } |
| |
| return error; |
| } |
| |
| |