static void
__mrss_parser_atom_category (nxml_data_t * cur, mrss_category_t ** category)
{
char *c;
mrss_category_t *cat;
if (!(cat = calloc (1, sizeof (mrss_category_t))))
return;
if (!(c = nxmle_find_attribute (cur, "term", NULL)))
{
free (cat);
return;
}
cat->element = MRSS_ELEMENT_CATEGORY;
cat->allocated = 1;
cat->category = c;
if ((c = nxmle_find_attribute (cur, "scheme", NULL)))
cat->domain = c;
if ((c = nxmle_find_attribute (cur, "label", NULL)))
cat->label = c;
if (!*category)
*category = cat;
else
{
mrss_category_t *tmp;
tmp = *category;
while (tmp->next)
tmp = tmp->next;
tmp->next = cat;
}
}
static mrss_error_t
__mrss_parser (nxml_t * doc, mrss_t ** ret)
{
mrss_error_t r = MRSS_ERR_VERSION;
nxml_data_t *cur;
char *c;
if (!(cur = nxmle_root_element (doc, NULL)))
return MRSS_ERR_PARSER;
if (!strcmp (cur->value, "rss"))
{
if ((c = nxmle_find_attribute (cur, "version", NULL)))
{
/* 0.91 VERSION */
if (!strcmp (c, "0.91"))
r =
__mrss_parser_rss (MRSS_VERSION_0_91, doc, cur->children, ret);
/* 0.92 VERSION */
else if (!strcmp (c, "0.92"))
r =
__mrss_parser_rss (MRSS_VERSION_0_92, doc, cur->children, ret);
/* 2.0 VERSION */
else if (!strcmp (c, "2.0"))
r = __mrss_parser_rss (MRSS_VERSION_2_0, doc, cur->children, ret);
else
r = MRSS_ERR_VERSION;
free (c);
}
else
r = MRSS_ERR_VERSION;
}
else if (!strcmp (cur->value, "RDF"))
r = __mrss_parser_rss (MRSS_VERSION_1_0, doc, cur->children, ret);
else if (!strcmp (cur->value, "feed"))
r = __mrss_parser_atom (doc, cur, ret);
else
r = MRSS_ERR_PARSER;
return r;
}
static mrss_error_t
__mrss_parser_rss (mrss_version_t v, nxml_t * doc, nxml_data_t * cur,
mrss_t ** ret)
{
mrss_t *data;
char *c, *attr;
if (!(data = (mrss_t *) malloc (sizeof (mrss_t))))
return MRSS_ERR_POSIX;
memset (data, 0, sizeof (mrss_t));
data->element = MRSS_ELEMENT_CHANNEL;
data->allocated = 1;
data->version = v;
if (doc->encoding && !(data->encoding = strdup (doc->encoding)))
{
mrss_free (data);
return MRSS_ERR_POSIX;
}
if (data->version == MRSS_VERSION_1_0)
{
nxml_data_t *cur_channel = NULL;
while (cur)
{
if (!strcmp (cur->value, "channel"))
cur_channel = cur;
else if (!strcmp (cur->value, "image"))
__mrss_parser_rss_image (doc, cur, data);
else if (!strcmp (cur->value, "textinput"))
__mrss_parser_rss_textinput (doc, cur, data);
else if (!strcmp (cur->value, "item"))
__mrss_parser_rss_item (doc, cur, data);
cur = cur->next;
}
cur = cur_channel;
}
else
{
while (cur && strcmp (cur->value, "channel"))
cur = cur->next;
}
if (!cur)
{
mrss_free (data);
return MRSS_ERR_PARSER;
}
if (data->version == MRSS_VERSION_1_0)
{
if ((attr = nxmle_find_attribute (cur, "about", NULL)))
data->about = attr;
}
for (cur = cur->children; cur; cur = cur->next)
{
if (cur->type == NXML_TYPE_ELEMENT)
{
/* title */
if (!strcmp (cur->value, "title") && !data->title &&
(c = nxmle_get_string (cur, NULL)))
data->title = c;
/* description */
else if (!strcmp (cur->value, "description") && !data->description
&& (c = nxmle_get_string (cur, NULL)))
data->description = c;
/* link */
else if (!strcmp (cur->value, "link") && !data->link
&& (c = nxmle_get_string (cur, NULL)))
data->link = c;
/* language */
else if (!strcmp (cur->value, "language") && !data->language
&& (c = nxmle_get_string (cur, NULL)))
data->language = c;
/* rating */
else if (!strcmp (cur->value, "rating") && !data->rating
&& (c = nxmle_get_string (cur, NULL)))
data->rating = c;
/* copyright */
else if (!strcmp (cur->value, "copyright") && !data->copyright
&& (c = nxmle_get_string (cur, NULL)))
data->copyright = c;
/* pubDate */
else if (!strcmp (cur->value, "pubDate") && !data->pubDate
&& (c = nxmle_get_string (cur, NULL)))
data->pubDate = c;
/* lastBuildDate */
else if (!strcmp (cur->value, "lastBuildDate")
&& !data->lastBuildDate
&& (c = nxmle_get_string (cur, NULL)))
data->lastBuildDate = c;
/* docs */
else if (!strcmp (cur->value, "docs") && !data->docs
&& (c = nxmle_get_string (cur, NULL)))
data->docs = c;
/* managingeditor */
else if (!strcmp (cur->value, "managingeditor")
&& !data->managingeditor
&& (c = nxmle_get_string (cur, NULL)))
data->managingeditor = c;
/* webMaster */
else if (!strcmp (cur->value, "webMaster") && !data->webMaster
&& (c = nxmle_get_string (cur, NULL)))
data->webMaster = c;
/* image */
else if (!strcmp (cur->value, "image"))
__mrss_parser_rss_image (doc, cur, data);
/* textinput */
else if (!strcmp (cur->value, "textinput"))
__mrss_parser_rss_textinput (doc, cur, data);
/* skipHours */
else if (!strcmp (cur->value, "skipHours"))
__mrss_parser_rss_skipHours (doc, cur, data);
/* skipDays */
else if (!strcmp (cur->value, "skipDays"))
__mrss_parser_rss_skipDays (doc, cur, data);
/* item */
else if (!strcmp (cur->value, "item"))
__mrss_parser_rss_item (doc, cur, data);
/* category */
else if (!strcmp (cur->value, "category")
&& (c = nxmle_get_string (cur, NULL)))
{
mrss_category_t *category;
if (!
(category =
(mrss_category_t *) malloc (sizeof (mrss_category_t))))
{
mrss_free ((mrss_generic_t *) data);
free (c);
return MRSS_ERR_POSIX;
}
memset (category, 0, sizeof (mrss_category_t));
category->element = MRSS_ELEMENT_CATEGORY;
category->allocated = 1;
category->category = c;
if ((attr = nxmle_find_attribute (cur, "domain", NULL)))
category->domain = attr;
if (!data->category)
data->category = category;
else
{
mrss_category_t *tmp;
tmp = data->category;
while (tmp->next)
tmp = tmp->next;
tmp->next = category;
}
}
/* enclosure */
else if (!strcmp (cur->value, "cloud") && !data->cloud)
{
data->cloud = nxmle_get_string (cur, NULL);
if (!data->cloud_domain
&& (attr = nxmle_find_attribute (cur, "domain", NULL)))
data->cloud_domain = attr;
if (!data->cloud_port
&& (attr = nxmle_find_attribute (cur, "port", NULL)))
data->cloud_port = atoi (attr);
if (!data->cloud_registerProcedure
&& (attr =
nxmle_find_attribute (cur, "registerProcedure", NULL)))
data->cloud_registerProcedure = attr;
if (!data->cloud_protocol
&& (attr = nxmle_find_attribute (cur, "protocol", NULL)))
data->cloud_protocol = attr;
}
/* generator */
else if (!strcmp (cur->value, "generator") && !data->generator
&& (c = nxmle_get_string (cur, NULL)))
data->generator = c;
/* ttl */
else if (!strcmp (cur->value, "ttl") && !data->ttl
&& (c = nxmle_get_string (cur, NULL)))
{
data->ttl = atoi (c);
free (c);
}
}
}
*ret = data;
return MRSS_OK;
}
static void
__mrss_parser_rss_item (nxml_t * doc, nxml_data_t * cur, mrss_t * data)
{
char *c;
char *attr;
mrss_item_t *item;
if (!(item = (mrss_item_t *) malloc (sizeof (mrss_item_t))))
return;
memset (item, 0, sizeof (mrss_item_t));
item->element = MRSS_ELEMENT_ITEM;
item->allocated = 1;
for (cur = cur->children; cur; cur = cur->next)
{
if (cur->type == NXML_TYPE_ELEMENT)
{
/* title */
if (!strcmp (cur->value, "title") && !item->title
&& (c = nxmle_get_string (cur, NULL)))
item->title = c;
/* link */
else if (!strcmp (cur->value, "link") && !item->link
&& (c = nxmle_get_string (cur, NULL)))
item->link = c;
/* description */
else if (!strcmp (cur->value, "description") && !item->description
&& (c = nxmle_get_string (cur, NULL)))
item->description = c;
/* source */
else if (!strcmp (cur->value, "source") && !item->source)
{
item->source = nxmle_get_string (cur, NULL);
if ((attr = nxmle_find_attribute (cur, "url", NULL)))
item->source_url = attr;
}
/* enclosure */
else if (!strcmp (cur->value, "enclosure") && !item->enclosure)
{
item->enclosure = nxmle_get_string (cur, NULL);
if ((attr = nxmle_find_attribute (cur, "url", NULL)))
item->enclosure_url = attr;
if ((attr = nxmle_find_attribute (cur, "length", NULL)))
{
item->enclosure_length = atoi (attr);
free (attr);
}
if ((attr = nxmle_find_attribute (cur, "type", NULL)))
item->enclosure_type = attr;
}
/* category */
else if (!strcmp (cur->value, "category")
&& (c = nxmle_get_string (cur, NULL)))
{
mrss_category_t *category;
if (!
(category =
(mrss_category_t *) malloc (sizeof (mrss_category_t))))
{
free (c);
return;
}
memset (category, 0, sizeof (mrss_category_t));
category->element = MRSS_ELEMENT_CATEGORY;
category->allocated = 1;
category->category = c;
if ((attr = nxmle_find_attribute (cur, "domain", NULL)))
category->domain = attr;
if (!item->category)
item->category = category;
else
{
mrss_category_t *tmp;
tmp = item->category;
while (tmp->next)
tmp = tmp->next;
tmp->next = category;
}
}
/* author */
else if (!strcmp (cur->value, "author") && !item->author
&& (c = nxmle_get_string (cur, NULL)))
item->author = c;
/* comments */
else if (!strcmp (cur->value, "comments") && !item->comments
&& (c = nxmle_get_string (cur, NULL)))
item->comments = c;
/* guid */
else if (!strcmp (cur->value, "guid") && !item->guid
&& (c = nxmle_get_string (cur, NULL)))
{
item->guid = c;
if ((attr = nxmle_find_attribute (cur, "isPermaLink", NULL)))
{
if (!strcmp (attr, "false"))
item->guid_isPermaLink = 0;
else
item->guid_isPermaLink = 1;
free (attr);
}
}
/* pubDate */
else if (!strcmp (cur->value, "pubDate") && !item->pubDate
&& (c = nxmle_get_string (cur, NULL)))
item->pubDate = c;
}
}
if (!data->item)
data->item = item;
else
{
mrss_item_t *tmp;
tmp = data->item;
while (tmp->next)
tmp = tmp->next;
tmp->next = item;
}
}
static mrss_error_t
__mrss_parser_atom (nxml_t * doc, nxml_data_t * cur, mrss_t ** ret)
{
mrss_t *data;
char *c = NULL;
if (!(data = malloc (sizeof (mrss_t))))
return MRSS_ERR_POSIX;
memset (data, 0, sizeof (mrss_t));
data->element = MRSS_ELEMENT_CHANNEL;
data->allocated = 1;
data->version = MRSS_VERSION_ATOM_1_0;
if (doc->encoding && !(data->encoding = strdup (doc->encoding)))
{
mrss_free (data);
return MRSS_ERR_POSIX;
}
if (!data->language && (c = nxmle_find_attribute (cur, "xml:lang", NULL)))
data->language = c;
if ((c = nxmle_find_attribute (cur, "version", NULL)))
{
if (!strcmp (c, "0.3"))
data->version = MRSS_VERSION_ATOM_0_3;
free (c);
}
for (cur = cur->children; cur; cur = cur->next)
{
if (cur->type == NXML_TYPE_ELEMENT)
{
/* title -> title */
if (!strcmp (cur->value, "title") && !data->title
&& (c = nxmle_get_string (cur, NULL)))
data->title = c;
/* subtitle -> description */
else if (!strcmp (cur->value, "subtitle")
&& data->version == MRSS_VERSION_ATOM_1_0
&& !data->description
&& (c = nxmle_get_string (cur, NULL)))
data->description = c;
/* tagline -> description (Atom 0.3) */
else if (!strcmp (cur->value, "tagline")
&& data->version == MRSS_VERSION_ATOM_0_3
&& !data->description
&& (c = nxmle_get_string (cur, NULL)))
data->description = c;
/* link href -> link */
else if (!strcmp (cur->value, "link") && !data->link
&& (c = nxmle_find_attribute (cur, "href", NULL)))
data->link = c;
/* id -> id */
else if (!strcmp (cur->value, "id") && !data->id
&& (c = nxmle_get_string (cur, NULL)))
data->id = c;
/* rights -> copyright */
else if (!strcmp (cur->value, "rights") && !data->copyright
&& (c = nxmle_get_string (cur, NULL)))
data->copyright = c;
/* updated -> lastBuildDate */
else if (!strcmp (cur->value, "updated")
&& (c = nxmle_get_string (cur, NULL)))
{
data->lastBuildDate = __mrss_atom_prepare_date (data, c);
free (c);
}
/* author -> managingeditor */
else if (!strcmp (cur->value, "author"))
__mrss_parser_atom_author (cur, &data->managingeditor,
&data->managingeditor_email,
&data->managingeditor_uri);
/* contributor */
else if (!strcmp (cur->value, "contributor"))
__mrss_parser_atom_author (cur, &data->contributor,
&data->contributor_email,
&data->contributor_uri);
/* generator -> generator */
else if (!strcmp (cur->value, "generator") && !data->generator
&& (c = nxmle_get_string (cur, NULL)))
{
char *attr;
data->generator = c;
if ((attr = nxmle_find_attribute (cur, "uri", NULL)))
data->generator_uri = attr;
if ((attr = nxmle_find_attribute (cur, "version", NULL)))
data->generator_version = attr;
}
/* icon -> image_url */
else if (!strcmp (cur->value, "icon") && !data->image_url
&& (c = nxmle_get_string (cur, NULL)))
data->image_url = c;
/* logo -> image_logo */
else if (!strcmp (cur->value, "logo") && !data->image_logo
&& (c = nxmle_get_string (cur, NULL)))
data->image_logo = c;
/* category */
else if (!strcmp (cur->value, "category"))
__mrss_parser_atom_category (cur, &data->category);
/* entry -> item */
else if (!strcmp (cur->value, "entry"))
__mrss_parser_atom_entry (doc, cur, data);
else
{
mrss_tag_t *tag;
if ((tag = __mrss_parse_tag (doc, cur)))
__mrss_parse_tag_insert (&data->other_tags, tag);
}
}
}
*ret = data;
return MRSS_OK;
}
static void
__mrss_parser_atom_entry (nxml_t * doc, nxml_data_t * cur, mrss_t * data)
{
char *c;
mrss_item_t *item;
if (!(item = malloc (sizeof (mrss_item_t))))
return;
memset (item, 0, sizeof (mrss_item_t));
item->element = MRSS_ELEMENT_ITEM;
item->allocated = 1;
for (cur = cur->children; cur; cur = cur->next)
{
if (cur->type == NXML_TYPE_ELEMENT)
{
/* title -> title */
if (!item->title && !strcmp (cur->value, "title")
&& (c = nxmle_get_string (cur, NULL)))
item->title = c;
/* link href -> link */
else if (!item->link && !strcmp (cur->value, "link")
&& (c = nxmle_find_attribute (cur, "href", NULL)))
item->link = c;
/* content -> description */
else if (!item->description && !strcmp (cur->value, "content")
&& (c = nxmle_get_string (cur, NULL)))
item->description = c;
/* summary -> description */
else if (!item->description && !strcmp (cur->value, "summary")
&& (c = nxmle_get_string (cur, NULL)))
item->description = c;
/* right -> copyright */
else if (!item->copyright && !strcmp (cur->value, "rights")
&& (c = nxmle_get_string (cur, NULL)))
item->copyright = c;
/* author structure -> author elements */
else if (!strcmp (cur->value, "author"))
__mrss_parser_atom_author (cur, &item->author,
&item->author_email,
&item->author_uri);
/* contributor structure -> contributor elements */
else if (!strcmp (cur->value, "contributor"))
__mrss_parser_atom_author (cur, &item->contributor,
&item->contributor_email,
&item->contributor_uri);
/* published -> pubDate */
else if (!item->pubDate && !strcmp (cur->value, "published")
&& data->version == MRSS_VERSION_ATOM_1_0
&& (c = nxmle_get_string (cur, NULL)))
{
item->pubDate = __mrss_atom_prepare_date (data, c);
free (c);
}
else if (!item->pubDate && !strcmp (cur->value, "updated")
&& data->version == MRSS_VERSION_ATOM_1_0
&& (c = nxmle_get_string (cur, NULL)))
{
item->pubDate = __mrss_atom_prepare_date (data, c);
free (c);
}
/* issued -> pubDate (Atom 0.3) */
else if (!item->pubDate && !strcmp (cur->value, "issued")
&& (c = nxmle_get_string (cur, NULL)))
{
item->pubDate = __mrss_atom_prepare_date (data, c);
free (c);
}
/* id -> guid */
else if (!item->guid && !strcmp (cur->value, "id")
&& (c = nxmle_get_string (cur, NULL)))
item->guid = c;
/* categories */
else if (!strcmp (cur->value, "category"))
__mrss_parser_atom_category (cur, &item->category);
else
{
mrss_tag_t *tag;
if ((tag = __mrss_parse_tag (doc, cur)))
__mrss_parse_tag_insert (&item->other_tags, tag);
}
}
}
if (!data->item)
data->item = item;
else
{
mrss_item_t *tmp = data->item;
while (tmp->next)
tmp = tmp->next;
tmp->next = item;
}
}
