void graph_handler(void *user_data, raptor_uri *graph)
{
g_free(parse_data.model);
if (graph == NULL) {
parse_data.model = g_strdup((char *) raptor_uri_as_string(parse_data.muri));
} else {
parse_data.model = g_strdup((char *) raptor_uri_as_string(graph));
}
parse_data.model_hash = fs_hash_uri(parse_data.model);
buffer_res(parse_data.link, parse_data.segments, parse_data.model_hash, parse_data.model, FS_RID_NULL, parse_data.dryrun);
}
static void parse_stmt(void *user_data, raptor_statement *statement)
{
fs_metadata *m = (fs_metadata *)user_data;
char *pred = (char *)raptor_uri_as_string(statement->predicate->value.uri);
char *obj = NULL;
if (statement->object->type == RAPTOR_TERM_TYPE_LITERAL) {
obj = (char *)statement->object->value.literal.string;
} else {
obj = (char *)raptor_uri_as_string(statement->object->value.uri);
}
fs_metadata_add(m, pred, obj);
}
/*
* raptor_rdfxmla_emit_resource_uri:
* @serializer: #raptor_serializer object
* @element: XML Element
* @uri: URI object
* @depth: depth into tree
*
* Emit a description of a resource using an XML Element
*
* Return value: non-0 on failure
**/
static int
raptor_rdfxmla_emit_resource_uri(raptor_serializer *serializer,
raptor_xml_element *element,
raptor_uri* uri,
int depth)
{
raptor_rdfxmla_context* context = (raptor_rdfxmla_context*)serializer->context;
raptor_xml_writer *xml_writer = context->xml_writer;
raptor_qname **attrs;
unsigned char *attr_name;
unsigned char *attr_value;
RAPTOR_DEBUG2("Emitting resource predicate URI %s\n",
raptor_uri_as_string(uri));
attrs = RAPTOR_CALLOC(raptor_qname**, 1, sizeof(raptor_qname*));
if(!attrs)
return 1;
attr_name = (unsigned char *)"resource";
if(RAPTOR_OPTIONS_GET_NUMERIC(serializer, RAPTOR_OPTION_RELATIVE_URIS))
/* newly allocated string */
attr_value = raptor_uri_to_relative_uri_string(serializer->base_uri, uri);
else
attr_value = raptor_uri_as_string(uri);
attrs[0] = raptor_new_qname_from_namespace_local_name(serializer->world,
context->rdf_nspace,
attr_name,
attr_value);
if(RAPTOR_OPTIONS_GET_NUMERIC(serializer, RAPTOR_OPTION_RELATIVE_URIS))
RAPTOR_FREE(char*, attr_value);
if(!attrs[0]) {
RAPTOR_FREE(qnamearray, attrs);
return 1;
}
raptor_xml_element_set_attributes(element, attrs, 1);
raptor_xml_writer_start_element(xml_writer, element);
raptor_xml_writer_end_element(context->xml_writer, element);
RAPTOR_DEBUG2("Emitted resource predicate URI %s\n",
raptor_uri_as_string(uri));
return 0;
}
static int insert_rasqal_triple(struct update_context *uc, rasqal_triple *triple, int row)
{
fs_rid quad_buf[1][4];
fs_resource res;
if (triple->origin) {
fs_resource_from_rasqal_literal(uc, triple->origin, &res, row);
quad_buf[0][0] = fs_hash_rasqal_literal(uc, triple->origin, row);
} else if (uc->op->graph_uri) {
res.lex = (char *)raptor_uri_as_string(uc->op->graph_uri);
res.attr = FS_RID_NULL;
quad_buf[0][0] =
fs_hash_uri((char *)raptor_uri_as_string(uc->op->graph_uri));
} else {
quad_buf[0][0] = fs_c.default_graph;
res.lex = FS_DEFAULT_GRAPH;
res.attr = FS_RID_NULL;
}
if (quad_buf[0][0] == fs_c.system_config)
fsp_reload_acl_system(uc->link);
if (!FS_IS_URI(quad_buf[0][0])) {
return 1;
}
quad_buf[0][1] = fs_hash_rasqal_literal(uc, triple->subject, row);
if (FS_IS_LITERAL(quad_buf[0][1])) {
return 1;
}
quad_buf[0][2] = fs_hash_rasqal_literal(uc, triple->predicate, row);
if (!FS_IS_URI(quad_buf[0][2])) {
return 1;
}
quad_buf[0][3] = fs_hash_rasqal_literal(uc, triple->object, row);
res.rid = quad_buf[0][0];
if (res.lex) fsp_res_import(uc->link, FS_RID_SEGMENT(quad_buf[0][0], uc->segments), 1, &res);
res.rid = quad_buf[0][1];
fs_resource_from_rasqal_literal(uc, triple->subject, &res, 0);
if (res.lex) fsp_res_import(uc->link, FS_RID_SEGMENT(quad_buf[0][1], uc->segments), 1, &res);
res.rid = quad_buf[0][2];
fs_resource_from_rasqal_literal(uc, triple->predicate, &res, 0);
if (res.lex) fsp_res_import(uc->link, FS_RID_SEGMENT(quad_buf[0][2], uc->segments), 1, &res);
res.rid = quad_buf[0][3];
fs_resource_from_rasqal_literal(uc, triple->object, &res, 0);
if (res.lex) fsp_res_import(uc->link, FS_RID_SEGMENT(quad_buf[0][3], uc->segments), 1, &res);
fsp_quad_import(uc->link, FS_RID_SEGMENT(quad_buf[0][1], uc->segments), FS_BIND_BY_SUBJECT, 1, quad_buf);
//printf("I %016llx %016llx %016llx %016llx\n", quad_buf[0][0], quad_buf[0][1], quad_buf[0][2], quad_buf[0][3]);
return 0;
}
static int
raptor_librdfa_parse_start(raptor_parser* rdf_parser)
{
raptor_locator *locator=&rdf_parser->locator;
raptor_librdfa_parser_context *librdfa_parser=(raptor_librdfa_parser_context*)rdf_parser->context;
int rc;
char* base_uri_string=NULL;
locator->line=1;
locator->column=0;
locator->byte=0;
if(rdf_parser->base_uri)
base_uri_string=(char*)raptor_uri_as_string(rdf_parser->base_uri);
if(librdfa_parser->context)
rdfa_free_context(librdfa_parser->context);
librdfa_parser->context=rdfa_create_context(base_uri_string);
if(!librdfa_parser->context)
return 1;
librdfa_parser->context->namespace_handler=raptor_librdfa_sax2_new_namespace_handler;
librdfa_parser->context->namespace_handler_user_data=rdf_parser;
librdfa_parser->context->error_handlers=&rdf_parser->error_handlers;
librdfa_parser->context->callback_data=rdf_parser;
rdfa_set_triple_handler(librdfa_parser->context,
raptor_librdfa_generate_statement);
rc = rdfa_parse_start(librdfa_parser->context);
if(rc != RDFA_PARSE_SUCCESS)
return 1;
return 0;
}
/**
* raptor_new_uri_for_retrieval - Turn a URI into one suitable for retrieval
* @old_uri: URI to transform
*
* Takes an existing URI and ensures it has a path (default /) and has
* no fragment - URI retrieval does not use the fragment part.
*
* Return value: new URI object or NULL on failure.
**/
raptor_uri*
raptor_new_uri_for_retrieval(raptor_uri* old_uri)
{
unsigned char *uri_string=raptor_uri_as_string(old_uri);
unsigned char *buffer;
size_t buffer_len=strlen((const char*)uri_string)+1;
unsigned char *scheme;
unsigned char *authority;
unsigned char *path;
unsigned char *query;
unsigned char *fragment;
unsigned char *new_uri_string;
raptor_uri* new_uri;
buffer=(unsigned char*)RAPTOR_MALLOC(cstring, buffer_len);
if(!buffer)
return NULL;
raptor_uri_parse (uri_string, buffer, buffer_len,
&scheme, &authority, &path, &query, &fragment);
if(!path)
path=(unsigned char*)"/";
new_uri_string=raptor_uri_construct(scheme, authority, path, query, NULL);
RAPTOR_FREE(cstring, buffer);
if(!new_uri_string)
return NULL;
new_uri=raptor_new_uri(new_uri_string);
RAPTOR_FREE(cstring, new_uri_string);
return new_uri;
}
static int delete_rasqal_triple(struct update_context *ct, fs_rid_vector *vec[], rasqal_triple *triple, int row)
{
fs_rid m, s, p, o;
if (triple->origin) {
m = fs_hash_rasqal_literal(ct, triple->origin, row);
if (m == FS_RID_NULL) return 1;
} else if (ct->op->graph_uri) {
m = fs_hash_uri((char *)raptor_uri_as_string(ct->op->graph_uri));
} else {
/* m can be wildcard in the absence of GRAPH, WITH etc. */
m = FS_RID_NULL;
}
s = fs_hash_rasqal_literal(ct, triple->subject, row);
if (s == FS_RID_NULL) return 1;
p = fs_hash_rasqal_literal(ct, triple->predicate, row);
if (p == FS_RID_NULL) return 1;
o = fs_hash_rasqal_literal(ct, triple->object, row);
if (o == FS_RID_NULL) return 1;
/* as long as s, p, and o are bound, we can add this quad */
fs_rid_vector_append(vec[0], m);
fs_rid_vector_append(vec[1], s);
fs_rid_vector_append(vec[2], p);
fs_rid_vector_append(vec[3], o);
if (fs_rid_vector_length(vec[0]) > 999) {
fsp_delete_quads_all(ct->link, vec);
for (int s=0; s<4; s++) {
fs_rid_vector_truncate(vec[s], 0);
}
}
return 0;
}
/**
* raptor_new_uri_for_retrieval:
* @old_uri: URI to transform
*
* Constructor - create a URI suitable for retrieval.
*
* Takes an existing URI and ensures it has a path (default /) and has
* no fragment - URI retrieval does not use the fragment part.
*
* Return value: new #raptor_uri object or NULL on failure.
**/
raptor_uri*
raptor_new_uri_for_retrieval(raptor_uri* old_uri)
{
unsigned char *uri_string;
unsigned char *new_uri_string;
raptor_uri* new_uri;
raptor_uri_detail *ud;
if(!old_uri)
return NULL;
uri_string=raptor_uri_as_string(old_uri);
ud=raptor_new_uri_detail(uri_string);
if(!ud)
return NULL;
if(!ud->path) {
ud->path=(unsigned char*)"/";
ud->path_len=1;
}
ud->fragment=NULL; ud->fragment_len=0;
new_uri_string=raptor_uri_detail_to_string(ud, NULL);
raptor_free_uri_detail(ud);
if(!new_uri_string)
return NULL;
new_uri=raptor_new_uri(new_uri_string);
RAPTOR_FREE(cstring, new_uri_string);
return new_uri;
}
static void
raptor_dot_serializer_write_uri(raptor_serializer* serializer,
raptor_uri* uri)
{
raptor_dot_context* context = (raptor_dot_context*)serializer->context;
unsigned char* full = raptor_uri_as_string(uri);
int i;
for( i = 0 ; i < raptor_sequence_size(context->namespaces) ; i++ ) {
raptor_namespace* ns =
(raptor_namespace*)raptor_sequence_get_at(context->namespaces, i);
const unsigned char* ns_uri_string;
size_t ns_uri_string_len;
ns_uri_string=raptor_uri_as_counted_string(ns->uri, &ns_uri_string_len);
if(!strncmp((char*)full, (char*)ns_uri_string, ns_uri_string_len) ) {
const unsigned char* prefix = raptor_namespace_get_prefix(ns);
if(prefix) {
raptor_iostream_write_string(serializer->iostream, prefix);
raptor_iostream_write_byte(serializer->iostream, ':');
}
raptor_iostream_write_string(serializer->iostream,
full + ns_uri_string_len);
return;
}
}
raptor_iostream_write_string(serializer->iostream, full);
}
/**
* librdf_uri_as_string:
* @uri: #librdf_uri object
*
* Get a pointer to the string representation of the URI.
*
* Returns a shared pointer to the URI string representation.
* Note: does not allocate a new string so the caller must not free it.
*
* Return value: string representation of URI
**/
unsigned char*
librdf_uri_as_string (librdf_uri *uri)
{
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(uri, librdf_uri, NULL);
return raptor_uri_as_string(uri);
}
static char *graph_arg(raptor_uri *u)
{
if (!u) {
return NULL;
}
return (char *)raptor_uri_as_string(u);
}
/**
* librdf_uri_as_string:
* @uri: #librdf_uri object
*
* Get a pointer to the string representation of the URI.
*
* Returns a shared pointer to the URI string representation.
* Note: does not allocate a new string so the caller must not free it.
*
* Return value: string representation of URI
**/
unsigned char*
librdf_uri_as_string (librdf_uri *uri)
{
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(uri, librdf_uri, NULL);
#ifdef LIBRDF_USE_RAPTOR_URI
return raptor_uri_as_string(uri);
#else
return uri->string;
#endif
}
/* detects the dreaded the:type predicate */
int fs_opt_literal_is_rdf_type(rasqal_literal *l)
{
if (!l) return 0;
if (l->type == RASQAL_LITERAL_URI) {
if (!strcmp((char *)raptor_uri_as_string(l->value.uri), RDF_TYPE)) {
return 1;
}
}
return 0;
}
/*
* raptor_rdfxmla_emit_literal:
* @serializer: #raptor_serializer object
* @element: XML Element
* @node: literal node
* @depth: depth into tree
*
* Emit a description of a literal using an XML Element
*
* Return value: non-0 on failure
**/
static int
raptor_rdfxmla_emit_literal(raptor_serializer *serializer,
raptor_xml_element *element,
raptor_abbrev_node* node,
int depth)
{
raptor_rdfxmla_context* context = (raptor_rdfxmla_context*)serializer->context;
raptor_xml_writer *xml_writer = context->xml_writer;
raptor_qname **attrs;
int attrs_count;
RAPTOR_DEBUG_ABBREV_NODE("Emitting literal node", node);
if(node->term->type != RAPTOR_TERM_TYPE_LITERAL)
return 1;
if(node->term->value.literal.language || node->term->value.literal.datatype) {
attrs_count = 0;
attrs = RAPTOR_CALLOC(raptor_qname**, 2, sizeof(raptor_qname*));
if(!attrs)
return 1;
if(node->term->value.literal.language) {
attrs[attrs_count] = raptor_new_qname(context->nstack,
(unsigned char*)"xml:lang",
node->term->value.literal.language);
if(!attrs[attrs_count])
goto attrs_oom;
attrs_count++;
}
if(node->term->value.literal.datatype) {
unsigned char *datatype_value;
datatype_value = raptor_uri_as_string(node->term->value.literal.datatype);
attrs[attrs_count] = raptor_new_qname_from_namespace_local_name(serializer->world,
context->rdf_nspace,
(const unsigned char*)"datatype",
datatype_value);
if(!attrs[attrs_count])
goto attrs_oom;
attrs_count++;
/* SJS Note: raptor_default_uri_as_string simply returns a
* pointer to the string. Hope this is also true of alternate
* uri implementations. */
/* RAPTOR_FREE(char*, datatype_value); */
}
raptor_xml_element_set_attributes(element, attrs, attrs_count);
}
void fs_resource_from_rasqal_literal(struct update_context *uctxt, rasqal_literal *l, fs_resource *res, int row)
{
if (!l) {
res->lex = "(null)";
res->attr = FS_RID_NULL;
return;
}
rasqal_literal_type type = l->type;
if (type == RASQAL_LITERAL_VARIABLE) {
/* right now you can't introduce new literals in INSERT, so it doesn't
* matter */
res->lex = NULL;
res->attr = FS_RID_GONE;
} else if (type == RASQAL_LITERAL_URI) {
res->lex = (char *)raptor_uri_as_string(l->value.uri);
res->attr = FS_RID_NULL;
} else {
res->lex = (char *)l->string;
res->attr = 0;
fs_resource ares;
ares.lex = NULL;
if (l->datatype) {
res->attr = fs_hash_uri((char *)raptor_uri_as_string(l->datatype));
ares.rid = res->attr;
ares.lex = (char *)raptor_uri_as_string(l->datatype);
ares.attr = FS_RID_NULL;
} else if (l->language) {
res->attr = fs_hash_literal(l->language, 0);
ares.rid = res->attr;
ares.lex = (char *)l->language;
ares.attr = 0;
}
/* insert attribute resource if there is one */
if (ares.lex) {
fsp_res_import(uctxt->link, FS_RID_SEGMENT(ares.rid, uctxt->segments), 1, &ares);
}
}
}
int
raptor_rss_item_set_uri(raptor_rss_item *item, raptor_uri* uri)
{
RAPTOR_DEBUG3("Set node %p to URI <%s>\n", item,
raptor_uri_as_string(uri));
item->uri = raptor_uri_copy(uri);
if(!item->uri)
return 1;
item->term = raptor_new_term_from_uri(item->world, item->uri);
return 0;
}
static int
raptor_rss_parse_chunk(raptor_parser* rdf_parser,
const unsigned char *s, size_t len,
int is_end)
{
raptor_rss_parser_context* rss_parser=(raptor_rss_parser_context*)rdf_parser->context;
int ret;
if(!rss_parser->reader) {
unsigned char *uri=raptor_uri_as_string(rdf_parser->base_uri);
rss_parser->input=xmlParserInputBufferCreateMem((const char*)s, len,
XML_CHAR_ENCODING_NONE);
rss_parser->reader=xmlNewTextReader(rss_parser->input, (const char*)uri);
xmlTextReaderSetErrorHandler(rss_parser->reader,
raptor_rss_error_handler,
rdf_parser);
} else if(s && len)
xmlParserInputBufferPush(rss_parser->input, len, (const char*)s);
if(!is_end)
return 0;
ret = xmlTextReaderRead(rss_parser->reader);
while (ret == 1) {
if(rdf_parser->failed)
break;
raptor_rss_parser_processNode(rdf_parser);
ret = xmlTextReaderRead(rss_parser->reader);
}
xmlFreeTextReader(rss_parser->reader);
rss_parser->reader=NULL;
xmlFreeParserInputBuffer(rss_parser->input);
rss_parser->input=NULL;
if(rdf_parser->failed)
return 1;
/* turn strings into URIs, move things around if needed */
raptor_rss_insert_identifiers(rdf_parser);
/* generate the triples */
raptor_rss_emit(rdf_parser);
return (ret != 0);
}
int
raptor_www_curl_fetch(raptor_www *www)
{
struct curl_slist *slist=NULL;
if(www->proxy)
curl_easy_setopt(www->curl_handle, CURLOPT_PROXY, www->proxy);
if(www->user_agent)
curl_easy_setopt(www->curl_handle, CURLOPT_USERAGENT, www->user_agent);
if(www->http_accept)
slist=curl_slist_append(slist, (const char*)www->http_accept);
/* ALWAYS disable curl default "Pragma: no-cache" */
slist=curl_slist_append(slist, "Pragma:");
if(www->cache_control)
slist=curl_slist_append(slist, (const char*)www->cache_control);
if(slist)
curl_easy_setopt(www->curl_handle, CURLOPT_HTTPHEADER, slist);
/* specify URL to get */
curl_easy_setopt(www->curl_handle, CURLOPT_URL,
raptor_uri_as_string(www->uri));
if(curl_easy_perform(www->curl_handle)) {
/* failed */
www->failed=1;
raptor_www_error(www, "Resolving URI failed: %s", www->error_buffer);
} else {
long lstatus;
#ifndef CURLINFO_RESPONSE_CODE
#define CURLINFO_RESPONSE_CODE CURLINFO_HTTP_CODE
#endif
/* Requires pointer to a long */
if(curl_easy_getinfo(www->curl_handle, CURLINFO_RESPONSE_CODE, &lstatus) == CURLE_OK)
www->status_code=lstatus;
}
if(slist)
curl_slist_free_all(slist);
return www->failed;
}
// static
void CRDFParser::NameSpaceHandler(void * pGraph, raptor_namespace * pNameSpace)
{
const unsigned char * pURI =
raptor_uri_as_string(raptor_namespace_get_uri(pNameSpace));
std::string URI("");
if (pURI) URI = (const char *) pURI;
const unsigned char * pPrefix =
raptor_namespace_get_prefix(pNameSpace);
std::string Prefix("");
if (pPrefix) Prefix = (const char *) pPrefix;
static_cast<CRDFGraph *>(pGraph)->addNameSpace(Prefix, URI);
}
static void raptor_rdfa_end_element(void *user_data,
raptor_xml_element* xml_element)
{
raptor_qname* qname = raptor_xml_element_get_name(xml_element);
unsigned char* localname = raptor_qname_to_counted_name(qname, NULL);
const raptor_namespace* qname_ns = raptor_qname_get_namespace(qname);
if(qname_ns)
end_element(user_data, (const char*)localname,
(const char*)qname_ns->prefix,
(const xmlChar*)raptor_uri_as_string(qname_ns->uri));
else
end_element(user_data, (const char*)localname, NULL, NULL);
raptor_free_memory(localname);
}
static rasqal_query_results_format_factory*
rasqal_get_query_results_formatter_factory(rasqal_world* world,
const char *name, raptor_uri* uri,
const char *mime_type,
int flags)
{
int i;
rasqal_query_results_format_factory* factory = NULL;
for(i = 0; 1; i++) {
int factory_flags = 0;
factory = (rasqal_query_results_format_factory*)raptor_sequence_get_at(world->query_results_formats,
i);
if(!factory)
break;
if(factory->reader)
factory_flags |= RASQAL_QUERY_RESULTS_FORMAT_FLAG_READER;
if(factory->writer)
factory_flags |= RASQAL_QUERY_RESULTS_FORMAT_FLAG_WRITER;
/* Flags must match */
if(flags && factory_flags != flags)
continue;
if(!name && !uri)
/* the default is the first registered format */
break;
if(name && factory->name &&
!strcmp(factory->name, (const char*)name))
return factory;
if(uri && factory->uri_string &&
!strcmp((const char*)raptor_uri_as_string(uri),
(const char*)factory->uri_string))
break;
if(mime_type && factory->mime_type &&
!strcmp(factory->mime_type, (const char*)mime_type))
return factory;
}
return factory;
}
static int
raptor_librdfa_parse_start(raptor_parser* rdf_parser)
{
raptor_locator *locator = &rdf_parser->locator;
raptor_librdfa_parser_context *librdfa_parser;
int rc;
char* base_uri_string = NULL;
librdfa_parser = (raptor_librdfa_parser_context*)rdf_parser->context;
locator->line = -1;
locator->column = -1;
locator->byte = 0;
if(rdf_parser->base_uri)
base_uri_string = (char*)raptor_uri_as_string(rdf_parser->base_uri);
else
/* base URI is required for rdfa - checked in rdfa_create_context() */
return 1;
if(librdfa_parser->context)
rdfa_free_context(librdfa_parser->context);
librdfa_parser->context = rdfa_create_context(base_uri_string);
if(!librdfa_parser->context)
return 1;
librdfa_parser->context->namespace_handler = raptor_librdfa_sax2_new_namespace_handler;
librdfa_parser->context->namespace_handler_user_data = rdf_parser;
librdfa_parser->context->world = rdf_parser->world;
librdfa_parser->context->locator = &rdf_parser->locator;
librdfa_parser->context->callback_data = rdf_parser;
/* returns triples */
rdfa_set_default_graph_triple_handler(librdfa_parser->context,
raptor_librdfa_generate_statement);
/* returns RDFa Processing Graph error triples - not used by raptor */
rdfa_set_processor_graph_triple_handler(librdfa_parser->context, NULL);
librdfa_parser->context->raptor_rdfa_version = librdfa_parser->rdfa_version;
rc = rdfa_parse_start(librdfa_parser->context);
if(rc != RDFA_PARSE_SUCCESS)
return 1;
return 0;
}
/**
* librdf_node_get_li_ordinal:
* @node: the node object
*
* Get the node li object ordinal value.
*
* Return value: the li ordinal value or < 1 on failure
**/
int
librdf_node_get_li_ordinal(librdf_node *node)
{
unsigned char *uri_string;
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(node, librdf_node, 0);
if(node->type != RAPTOR_TERM_TYPE_URI)
return -1;
uri_string = raptor_uri_as_string(node->value.uri);
if(strncmp((const char*)uri_string,
(const char*)"http://www.w3.org/1999/02/22-rdf-syntax-ns#_", 44))
return -1;
return atoi((const char*)uri_string+44);
}
/**
* raptor_www_fetch:
* @www: WWW object
* @uri: URI to read from
*
* Start a WWW content retrieval for the given URI, returning data via the write_bytes handler.
*
* Return value: non-0 on failure.
**/
int
raptor_www_fetch(raptor_www *www, raptor_uri *uri)
{
int status = 1;
www->uri = raptor_new_uri_for_retrieval(uri);
www->locator.uri = uri;
www->locator.line= -1;
www->locator.column= -1;
if(www->uri_filter)
if(www->uri_filter(www->uri_filter_user_data, uri))
return status;
#ifdef RAPTOR_WWW_NONE
status = raptor_www_file_fetch(www);
#else
if(raptor_uri_uri_string_is_file_uri(raptor_uri_as_string(www->uri)))
status = raptor_www_file_fetch(www);
else {
#ifdef RAPTOR_WWW_LIBCURL
status = raptor_www_curl_fetch(www);
#endif
#ifdef RAPTOR_WWW_LIBXML
status = raptor_www_libxml_fetch(www);
#endif
#ifdef RAPTOR_WWW_LIBFETCH
status = raptor_www_libfetch_fetch(www);
#endif
}
#endif
if(!status && www->status_code && www->status_code != 200){
raptor_www_error(www, "Resolving URI failed with HTTP status %d",
www->status_code);
status = 1;
}
www->failed = status;
return www->failed;
}
static int
raptor_www_file_fetch(raptor_www* www)
{
char *filename;
FILE *fh;
unsigned char *uri_string = raptor_uri_as_string(www->uri);
#if defined(HAVE_UNISTD_H) && defined(HAVE_SYS_STAT_H)
struct stat buf;
#endif
www->status_code = 200;
filename = raptor_uri_uri_string_to_filename(uri_string);
if(!filename) {
raptor_www_error(www, "Not a file: URI");
return 1;
}
#if defined(HAVE_UNISTD_H) && defined(HAVE_SYS_STAT_H)
if(!stat(filename, &buf) && S_ISDIR(buf.st_mode)) {
raptor_www_error(www, "Cannot read from a directory '%s'", filename);
RAPTOR_FREE(cstring, filename);
www->status_code = 404;
return 1;
}
#endif
fh = fopen(filename, "rb");
if(!fh) {
raptor_www_error(www, "file '%s' open failed - %s",
filename, strerror(errno));
RAPTOR_FREE(cstring, filename);
www->status_code = (errno == EACCES) ? 403: 404;
www->failed = 1;
return www->failed;
}
raptor_www_file_handle_fetch(www, fh);
fclose(fh);
RAPTOR_FREE(cstring, filename);
return www->failed;
}
int
raptor_www_libxml_fetch(raptor_www *www)
{
if(www->proxy)
xmlNanoHTTPScanProxy(www->proxy);
www->ctxt=xmlNanoHTTPOpen((const char*)raptor_uri_as_string(www->uri), &www->type);
if(!www->ctxt)
return 1;
if(www->type) {
if(www->content_type) {
www->content_type(www, www->content_type_userdata, www->type);
if(www->failed) {
xmlNanoHTTPClose(www->ctxt);
return 1;
}
}
}
www->status_code=xmlNanoHTTPReturnCode(www->ctxt);
while(1) {
int len=xmlNanoHTTPRead(www->ctxt, www->buffer, RAPTOR_WWW_BUFFER_SIZE);
if(len<0)
break;
www->total_bytes += len;
if(www->write_bytes)
www->write_bytes(www, www->write_bytes_userdata, www->buffer, len, 1);
if(len < RAPTOR_WWW_BUFFER_SIZE || www->failed)
break;
}
xmlNanoHTTPClose(www->ctxt);
return www->failed;
}
int
raptor_www_libfetch_fetch(raptor_www *www)
{
FILE *stream;
if(www->proxy) {
setenv("HTTP_PROXY", www->proxy, 0);
setenv("FTP_PROXY", www->proxy, 0);
}
if(www->user_agent)
setenv("HTTP_USER_AGENT", www->user_agent, 0);
stream = fetchXGetURL((const char*)raptor_uri_as_string(www->uri), NULL, NULL);
if(!stream) {
www->failed = 1;
raptor_www_error(www, "%s", fetchLastErrString);
return 1;
}
/* fetch does not give us access to this */
www->status_code = 200;
while(!feof(stream)) {
size_t len = fread(www->buffer, 1, RAPTOR_WWW_BUFFER_SIZE, stream);
www->total_bytes += len;
if(www->write_bytes)
www->write_bytes(www, www->write_bytes_userdata, www->buffer, len, 1);
if(len < RAPTOR_WWW_BUFFER_SIZE)
break;
}
fclose(stream);
return www->failed;
}
/**
* rasqal_data_graph_print:
* @dg: #rasqal_data_graph object
* @fh: the FILE* handle to print to
*
* Print a Rasqal data graph in a debug format.
*
* The print debug format may change in any release.
*
* Return value: non-0 on failure
**/
int
rasqal_data_graph_print(rasqal_data_graph* dg, FILE* fh)
{
RASQAL_ASSERT_OBJECT_POINTER_RETURN_VALUE(dg, rasqal_data_graph, 1);
RASQAL_ASSERT_OBJECT_POINTER_RETURN_VALUE(fh, FILE*, 1);
if(dg->iostr) {
if(dg->name_uri)
fprintf(fh, "data graph(from iostream, named as %s, flags %d",
raptor_uri_as_string(dg->name_uri), dg->flags);
else
fprintf(fh, "data graph(from iostream, %d", dg->flags);
} else {
/* dg->uri must exist */
if(dg->name_uri)
fprintf(fh, "data graph(from uri %s, named as %s, flags %d",
raptor_uri_as_string(dg->uri),
raptor_uri_as_string(dg->name_uri),
dg->flags);
else
fprintf(fh, "data graph(from uri %s, flags %d",
raptor_uri_as_string(dg->uri), dg->flags);
}
if(dg->format_type || dg->format_name || dg->format_uri) {
fputs(" with format ", fh);
if(dg->format_type)
fprintf(fh, "type %s", dg->format_type);
if(dg->format_name)
fprintf(fh, "name %s", dg->format_name);
if(dg->format_uri)
fprintf(fh, "uri %s", raptor_uri_as_string(dg->format_uri));
if(dg->base_uri)
fprintf(fh, "base uri %s", raptor_uri_as_string(dg->base_uri));
}
fputc(')', fh);
return 0;
}
static struct raptor_node_item build_term(raptor_term *triple)
{
struct raptor_node_item n;
n.type = triple->type;
n.arg1 = NULL;
n.arg2 = NULL;
n.arg3 = NULL;
switch(triple->type)
{
case RAPTOR_TERM_TYPE_UNKNOWN:
//printf("BUILD: (UKNOWN)" );
break ;
case RAPTOR_TERM_TYPE_URI:
//printf("uri( %s )", raptor_uri_as_string(triple->value.uri));
if(triple->value.uri == NULL)
{
n.arg1 = malloc(1);
strcpy(n.arg1, "");
}
else
{
int size = strlen(raptor_uri_as_string(triple->value.uri));
n.arg1 = malloc(sizeof(char) * (size + 1));
strncpy(n.arg1, raptor_uri_as_string(triple->value.uri), size + 1);
n.arg1[size] = 0;
}
break ;
case RAPTOR_TERM_TYPE_LITERAL:
//printf("literal( %s, %s, %s )", triple->value.literal.string, raptor_uri_as_string(triple->value.literal.datatype), triple->value.literal.language);
// literal string
if(triple->value.literal.string == NULL)
{
n.arg1 = malloc(1);
strcpy(n.arg1, "");
}
else
{
int size = strlen(triple->value.literal.string);
n.arg1 = malloc(sizeof(char) * (size + 1));
strncpy(n.arg1, triple->value.literal.string, size + 1);
n.arg1[size] = 0;
}
// datatype string
if(triple->value.literal.datatype == NULL)
{
n.arg2 = malloc(1);
strcpy(n.arg2, "");
}
else
{
int size = strlen(raptor_uri_as_string(triple->value.literal.datatype));
n.arg2 = malloc(sizeof(char) * (size + 1));
strncpy(n.arg2, raptor_uri_as_string(triple->value.literal.datatype), size + 1);
n.arg2[size] = 0;
}
// language string
if(triple->value.literal.language == NULL)
{
n.arg3 = malloc(1);
strcpy(n.arg3, "");
}
else
{
int size = strlen(triple->value.literal.language);
n.arg3 = malloc(sizeof(char) * (size + 1));
strncpy(n.arg1, triple->value.literal.language, size + 1);
n.arg3[size] = 0;
}
break ;
case RAPTOR_TERM_TYPE_BLANK:
//printf("blank( %s )", triple->value.blank.string);
if(triple->value.blank.string == NULL)
{
n.arg1 = malloc(1);
strcpy(n.arg1, "");
}
else
{
int size = strlen(triple->value.blank.string);
n.arg1 = malloc(sizeof(char) * (size + 1));
strncpy(n.arg1, triple->value.blank.string, size + 1);
n.arg1[size] = 0;
}
break ;
}
return n;
}
/* end a serialize */
static int
raptor_dot_serializer_end(raptor_serializer* serializer)
{
raptor_dot_context* context=(raptor_dot_context*)serializer->context;
raptor_dot_serializer_node* node;
int i;
/* Print our nodes. */
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\n\t// Resources\n");
for( i = 0 ; i < raptor_sequence_size(context->resources) ; i++ ) {
node = (raptor_dot_serializer_node*)raptor_sequence_get_at(context->resources, i);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\t\"R");
raptor_dot_serializer_write_node(serializer, node->value.resource.uri,
RAPTOR_IDENTIFIER_TYPE_RESOURCE, NULL, NULL);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\" [ label=\"");
raptor_dot_serializer_write_node(serializer, node->value.resource.uri,
RAPTOR_IDENTIFIER_TYPE_RESOURCE, NULL, NULL);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\", shape=ellipse");
raptor_dot_serializer_write_colors(serializer,
RAPTOR_IDENTIFIER_TYPE_RESOURCE);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)" ];\n");
}
raptor_free_sequence(context->resources);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\n\t// Anonymous nodes\n");
for( i = 0 ; i < raptor_sequence_size(context->bnodes) ; i++ ) {
node = (raptor_dot_serializer_node *)raptor_sequence_get_at(context->bnodes, i);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\t\"B");
raptor_dot_serializer_write_node(serializer, node->value.resource.uri,
RAPTOR_IDENTIFIER_TYPE_ANONYMOUS, NULL, NULL);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\" [ label=\"");
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\", shape=circle");
raptor_dot_serializer_write_colors(serializer,
RAPTOR_IDENTIFIER_TYPE_ANONYMOUS);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)" ];\n");
}
raptor_free_sequence(context->bnodes);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\n\t// Literals\n");
for( i = 0 ; i < raptor_sequence_size(context->literals) ; i++ ) {
node = (raptor_dot_serializer_node *)raptor_sequence_get_at(context->literals, i);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\t\"L");
raptor_dot_serializer_write_node(serializer, node->value.literal.string,
RAPTOR_IDENTIFIER_TYPE_LITERAL,
node->value.literal.datatype,
node->value.literal.language);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\" [ label=\"");
raptor_dot_serializer_write_node(serializer, node->value.literal.string,
RAPTOR_IDENTIFIER_TYPE_LITERAL,
node->value.literal.datatype,
node->value.literal.language);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\", shape=record");
raptor_dot_serializer_write_colors(serializer,
RAPTOR_IDENTIFIER_TYPE_LITERAL);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)" ];\n");
}
raptor_free_sequence(context->literals);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\n\tlabel=\"\\n\\nModel:\\n");
if(serializer->base_uri)
raptor_iostream_write_string(serializer->iostream,
raptor_uri_as_string(serializer->base_uri));
else
raptor_iostream_write_string(serializer->iostream, "(Unknown)");
if(raptor_sequence_size(context->namespaces)) {
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\\n\\nNamespaces:\\n");
for( i = 0 ; i < raptor_sequence_size(context->namespaces) ; i++ ) {
raptor_namespace* ns =
(raptor_namespace*)raptor_sequence_get_at(context->namespaces, i);
const unsigned char* prefix = raptor_namespace_get_prefix(ns);
if(prefix) {
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)ns->prefix);
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)": ");
}
raptor_iostream_write_string(serializer->iostream,
raptor_uri_as_string(ns->uri));
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\\n");
}
raptor_free_sequence(context->namespaces);
}
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *)"\";\n");
raptor_iostream_write_string(serializer->iostream,
(const unsigned char *) "}\n");
return 0;
}