static size_t
raptor_www_curl_header_callback(void* ptr, size_t size, size_t nmemb,
void *userdata)
{
raptor_www* www = (raptor_www*)userdata;
size_t bytes = size * nmemb;
int c;
/* If WWW has been aborted, return nothing so that
* libcurl will abort the transfer
*/
if(www->failed)
return 0;
#define CONTENT_TYPE_LEN 14
if(!raptor_strncasecmp((char*)ptr, "Content-Type: ", CONTENT_TYPE_LEN)) {
size_t len = bytes - CONTENT_TYPE_LEN - 2; /* for \r\n */
char *type_buffer = RAPTOR_MALLOC(char*, len + 1);
memcpy(type_buffer, (char*)ptr + 14, len);
type_buffer[len]='\0';
if(www->type)
RAPTOR_FREE(char*, www->type);
www->type = type_buffer;
www->free_type = 1;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 2
RAPTOR_DEBUG3("Got content type header '%s' (%d bytes)\n", type_buffer, len);
#endif
if(www->content_type)
www->content_type(www, www->content_type_userdata, www->type);
}
static size_t
raptor_www_curl_header_callback(void* ptr, size_t size, size_t nmemb,
void *userdata)
{
raptor_www* www=(raptor_www*)userdata;
int bytes=size*nmemb;
/* If WWW has been aborted, return nothing so that
* libcurl will abort the transfer
*/
if(www->failed)
return 0;
if(!strncmp((char*)ptr, "Content-Type: ", 14)) {
int len=bytes-16;
char *type_buffer=(char*)RAPTOR_MALLOC(cstring, len+1);
strncpy(type_buffer, (char*)ptr+14, len);
type_buffer[len]='\0';
if(www->type)
RAPTOR_FREE(cstring, www->type);
www->type=type_buffer;
www->free_type=1;
#if RAPTOR_DEBUG > 2
RAPTOR_DEBUG3("Got content type '%s' (%d bytes)\n", type_buffer, len);
#endif
if(www->content_type)
www->content_type(www, www->content_type_userdata, www->type);
}
return bytes;
}
static void
raptor_rss_emit(raptor_parser* rdf_parser)
{
raptor_rss_parser_context* rss_parser=(raptor_rss_parser_context*)rdf_parser->context;
int i;
raptor_rss_item* item;
for(i=0; i< RAPTOR_RSS_COMMON_SIZE; i++) {
if(!rss_parser->common[i].fields_count)
continue;
RAPTOR_DEBUG3("Emitting type %i - %s\n", i, raptor_rss_types_info[i].name);
raptor_rss_emit_item(rdf_parser, &rss_parser->common[i]);
/* Add connections to channel */
if(i != RAPTOR_RSS_CHANNEL) {
raptor_rss_emit_connection(rdf_parser,
&rss_parser->common[RAPTOR_RSS_CHANNEL].identifier,
raptor_rss_types_info[i].uri, 0,
&rss_parser->common[i].identifier);
}
}
if(rss_parser->items_count) {
raptor_identifier *items;
/* make a new genid for the <rdf:Seq> node */
items=raptor_new_identifier(RAPTOR_IDENTIFIER_TYPE_ANONYMOUS,
NULL, RAPTOR_URI_SOURCE_GENERATED,
(const unsigned char*)raptor_generate_id(rdf_parser, 0, NULL),
NULL, NULL, NULL);
/* _:genid1 rdf:type rdf:Seq . */
raptor_rss_emit_type_triple(rdf_parser, items, RAPTOR_RDF_Seq_URI(rss_parser));
/* <channelURI> rss:items _:genid1 . */
raptor_rss_emit_connection(rdf_parser,
&rss_parser->common[RAPTOR_RSS_CHANNEL].identifier,
raptor_rss_fields_info[RAPTOR_RSS_FIELD_ITEMS].uri, 0,
items);
/* sequence of rss:item */
for(i=1, item=rss_parser->items; item; item=item->next, i++) {
raptor_rss_emit_item(rdf_parser, item);
raptor_rss_emit_connection(rdf_parser,
items,
NULL, i,
&item->identifier);
}
raptor_free_identifier(items);
}
}
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;
}
raptor_rss_item*
raptor_rss_model_add_common(raptor_rss_model* rss_model,
raptor_rss_type type)
{
raptor_rss_item* item;
item = raptor_new_rss_item(rss_model->world);
if(!item)
return NULL;
if(rss_model->common[type] == NULL) {
RAPTOR_DEBUG3("Adding common type %d - %s\n", type,
raptor_rss_items_info[type].name);
rss_model->common[type] = item;
} else {
raptor_rss_item* next;
RAPTOR_DEBUG3("Appending common type %d - %s\n", type,
raptor_rss_items_info[type].name);
for(next = rss_model->common[type]; next->next; next = next->next)
;
next->next = item;
}
return item;
}
void
raptor_rss_item_add_field(raptor_rss_item* item, int type,
raptor_rss_field* field)
{
if(!item->fields[type]) {
RAPTOR_DEBUG3("Adding first type %d field %s\n", type, raptor_rss_fields_info[type].name);
item->fields_count++;
item->fields[type] = field;
} else {
raptor_rss_field* cur;
RAPTOR_DEBUG1("Adding subsequent field\n");
for(cur = item->fields[type]; cur->next; cur = cur->next) ;
cur->next = field;
}
}
static void
raptor_rss_parser_processNode(raptor_parser *rdf_parser) {
raptor_rss_parser_context* rss_parser=(raptor_rss_parser_context*)rdf_parser->context;
xmlTextReaderPtr reader=rss_parser->reader;
xmlChar *name, *value;
int type;
name = xmlTextReaderName(reader);
if (name == NULL)
name = xmlStrdup(BAD_CAST "--");
value = xmlTextReaderValue(reader);
type=xmlTextReaderNodeType(reader);
switch(type) {
case 1: /* start element */
if(rss_parser->current_type==RAPTOR_RSS_NONE) {
if(!strcmp((const char*)name, "rss") ||
!strcmp((const char*)name, "rdf") || !strcmp((const char*)name, "RDF")) {
break;
} if(!strcmp((const char*)name, "item")) {
raptor_rss_item_add(rss_parser);
rss_parser->current_type=RAPTOR_RSS_ITEM;
} else {
int i;
rss_parser->current_type=RAPTOR_RSS_UNKNOWN;
for(i=0; i<RAPTOR_RSS_COMMON_SIZE; i++)
if(!strcmp((const char*)name, raptor_rss_types_info[i].name)) {
rss_parser->current_type=(raptor_rss_type)i;
break;
}
}
if(rss_parser->current_type==RAPTOR_RSS_UNKNOWN) {
RAPTOR_DEBUG2("Unknown start element named %s\n", name);
} else {
RAPTOR_DEBUG3("FOUND type %d - %s\n", rss_parser->current_type, raptor_rss_types_info[rss_parser->current_type].name);
}
} else { /* have current_type, this is an element inside */
int i;
raptor_rss_type old_type=rss_parser->current_type;
/* check it is not a type here */
if(!strcmp((const char*)name, "item")) {
raptor_rss_item_add(rss_parser);
rss_parser->current_type=RAPTOR_RSS_ITEM;
} else {
for(i=0; i<RAPTOR_RSS_COMMON_SIZE; i++)
if(!strcmp((const char*)name, raptor_rss_types_info[i].name)) {
rss_parser->current_type=(raptor_rss_type)i;
break;
}
}
if(rss_parser->current_type != old_type) {
RAPTOR_DEBUG6("FOUND element %s for type %d - %s INSIDE current type %d - %s\n", name, rss_parser->current_type, raptor_rss_types_info[rss_parser->current_type].name, old_type, raptor_rss_types_info[old_type].name);
rss_parser->prev_type=old_type;
break;
}
rss_parser->current_field=RAPTOR_RSS_FIELD_UNKNOWN;
for(i=0; i<RAPTOR_RSS_FIELDS_SIZE; i++)
if(!strcmp((const char*)name, raptor_rss_fields_info[i].name)) {
rss_parser->current_field=(raptor_rss_fields_type)i;
break;
}
if(rss_parser->current_field==RAPTOR_RSS_FIELD_UNKNOWN) {
RAPTOR_DEBUG3("Unknown field element named %s inside type %s\n", name, raptor_rss_types_info[rss_parser->current_type].name);
} else {
RAPTOR_DEBUG4("FOUND field %d - %s inside type %s\n", rss_parser->current_field, raptor_rss_fields_info[rss_parser->current_field].name, raptor_rss_types_info[rss_parser->current_type].name);
}
}
/* Now check for attributes */
while((xmlTextReaderMoveToNextAttribute(reader))) {
xmlChar *attrName = xmlTextReaderName(reader);
xmlChar *attrValue = xmlTextReaderValue(reader);
RAPTOR_DEBUG3(" attribute %s=%s\n", attrName, attrValue);
/* Pick a few attributes to care about */
if(!strcmp((const char*)attrName, "isPermaLink")) {
if(!strcmp((const char*)name, "guid")) {
/* <guid isPermaLink="..."> */
if(rss_parser->last) {
/* rss_parser->last->guid_is_url=!strcmp(attrValue, "true"); */
}
}
} else if(!strcmp((const char*)attrName, "url")) {
if(!strcmp((const char*)name, "source")) {
/* <source url="...">foo</source> */
if(rss_parser->last) {
/*
rss_parser->last->source_url=attrValue;
attrValue=NULL;
*/
}
}
} else if(!strcmp((const char*)attrName, "domain")) {
if(!strcmp((const char*)name, "category")) {
/* <category domain="URL">foo</source> */
if(rss_parser->last) {
/*
rss_parser->last->category_url=attrValue;
attrValue=NULL;
*/
}
}
}
xmlFree(attrName);
if(attrValue)
xmlFree(attrValue);
}
if(!xmlTextReaderIsEmptyElement(reader))
break;
/* FALLTHROUGH if is empty element */
case 15: /* end element */
if(rss_parser->current_type != RAPTOR_RSS_NONE) {
if(rss_parser->current_field != RAPTOR_RSS_FIELD_NONE) {
RAPTOR_DEBUG3("Ending element %s field %s\n", name, raptor_rss_fields_info[rss_parser->current_field].name);
rss_parser->current_field= RAPTOR_RSS_FIELD_NONE;
} else {
RAPTOR_DEBUG3("Ending element %s type %s\n", name, raptor_rss_types_info[rss_parser->current_type].name);
if(rss_parser->prev_type != RAPTOR_RSS_NONE) {
rss_parser->current_type=rss_parser->prev_type;
rss_parser->prev_type=RAPTOR_RSS_NONE;
RAPTOR_DEBUG3("Returning to type %d - %s\n", rss_parser->current_type, raptor_rss_types_info[rss_parser->current_type].name);
} else
rss_parser->current_type= RAPTOR_RSS_NONE;
}
}
break;
case 3: /* text */
if((rss_parser->current_type==RAPTOR_RSS_NONE ||
rss_parser->current_type==RAPTOR_RSS_UNKNOWN) ||
(rss_parser->current_field==RAPTOR_RSS_FIELD_NONE ||
rss_parser->current_field==RAPTOR_RSS_FIELD_UNKNOWN)) {
char *p=(char*)value;
while(*p) {
if(!isspace(*p))
break;
p++;
}
if(*p)
RAPTOR_DEBUG2("IGNORING non-whitespace text node '%s'\n", value);
break;
}
if(rss_parser->current_type != RAPTOR_RSS_ITEM &&
rss_parser->current_type >= RAPTOR_RSS_COMMON_IGNORED) {
/* skipHours, skipDays common but IGNORED */
} else {
raptor_rss_item* update_item;
if(rss_parser->current_type == RAPTOR_RSS_ITEM)
update_item=rss_parser->last;
else
update_item=&rss_parser->common[rss_parser->current_type];
RAPTOR_DEBUG4("Added text '%s' to field %s of type %s\n", value, raptor_rss_fields_info[rss_parser->current_field].name, raptor_rss_types_info[rss_parser->current_type].name);
if(!update_item->fields[rss_parser->current_field])
update_item->fields_count++;
update_item->fields[rss_parser->current_field]=(char*)value;
value=NULL;
}
break;
case 4: /* CData sections */
case 5: /* entity references */
case 6: /* entity declarations */
case 7: /* PIs */
case 8: /* comments */
case 9: /* document nodes */
case 10: /* DTD/Doctype nodes */
case 11: /* document fragment */
case 12: /* notation nodes */
break;
default:
#if defined(RAPTOR_DEBUG)
RAPTOR_DEBUG3("depth %d type %d", xmlTextReaderDepth(reader), type);
fprintf(stderr," name %s %s", name,
xmlTextReaderIsEmptyElement(reader) ? "Empty" : "");
if (value == NULL)
fprintf(stderr, "\n");
else {
fprintf(stderr, " '%s'\n", value);
}
#endif
RAPTOR_DEBUG2("Ignoring type %d\n", type);
}
xmlFree(name);
if(value)
xmlFree(value);
}
static int
raptor_ntriples_parse_chunk(raptor_parser* rdf_parser,
const unsigned char *s, size_t len,
int is_end)
{
unsigned char *buffer;
unsigned char *ptr;
unsigned char *start;
raptor_ntriples_parser_context *ntriples_parser=(raptor_ntriples_parser_context*)rdf_parser->context;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG2("adding %d bytes to buffer\n", (unsigned int)len);
#endif
/* No data? It's the end */
if(!len)
return 0;
buffer=(unsigned char*)RAPTOR_MALLOC(cstring, ntriples_parser->line_length + len + 1);
if(!buffer) {
raptor_parser_fatal_error(rdf_parser, "Out of memory");
return 1;
}
if(ntriples_parser->line_length) {
strncpy((char*)buffer, (const char*)ntriples_parser->line, ntriples_parser->line_length);
RAPTOR_FREE(cstring, ntriples_parser->line);
}
ntriples_parser->line=buffer;
/* move pointer to end of cdata buffer */
ptr=buffer+ntriples_parser->line_length;
/* adjust stored length */
ntriples_parser->line_length += len;
/* now write new stuff at end of cdata buffer */
strncpy((char*)ptr, (const char*)s, len);
ptr += len;
*ptr = '\0';
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG2("buffer now %d bytes\n", ntriples_parser->line_length);
#endif
ptr=buffer+ntriples_parser->offset;
while(*(start=ptr)) {
unsigned char *line_start=ptr;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG3("line buffer now '%s' (offset %d)\n", ptr, ptr-(buffer+ntriples_parser->offset));
#endif
/* skip \n when just seen \r - i.e. \r\n or CR LF */
if(ntriples_parser->last_char == '\r' && *ptr == '\n') {
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG1("skipping a \\n\n");
#endif
ptr++;
rdf_parser->locator.byte++;
rdf_parser->locator.column=0;
start=line_start=ptr;
}
while(*ptr && *ptr != '\n' && *ptr != '\r')
ptr++;
if(!*ptr)
break;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG3("found newline \\x%02x at offset %d\n", *ptr,
ptr-line_start);
#endif
ntriples_parser->last_char=*ptr;
len=ptr-line_start;
rdf_parser->locator.column=0;
*ptr='\0';
if(raptor_ntriples_parse_line(rdf_parser,line_start,len))
return 1;
rdf_parser->locator.line++;
/* go past newline */
ptr++;
rdf_parser->locator.byte++;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
/* Do not peek if too far */
if(ptr-buffer < ntriples_parser->line_length)
RAPTOR_DEBUG2("next char is \\x%02x\n", *ptr);
else
RAPTOR_DEBUG1("next char unknown - end of buffer\n");
#endif
}
ntriples_parser->offset=start-buffer;
len=ntriples_parser->line_length - ntriples_parser->offset;
if(len) {
/* collapse buffer */
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG3("collapsing buffer from %d to %d bytes\n", ntriples_parser->line_length, (unsigned int)len);
#endif
buffer=(unsigned char*)RAPTOR_MALLOC(cstring, len + 1);
if(!buffer) {
raptor_parser_fatal_error(rdf_parser, "Out of memory");
return 1;
}
strncpy((char*)buffer,
(const char*)ntriples_parser->line+ntriples_parser->line_length-len,
len);
buffer[len]='\0';
RAPTOR_FREE(cstring, ntriples_parser->line);
ntriples_parser->line=buffer;
ntriples_parser->line_length -= ntriples_parser->offset;
ntriples_parser->offset=0;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG3("buffer now '%s' (%d bytes)\n", ntriples_parser->line, ntriples_parser->line_length);
#endif
}
/* exit now, no more input */
if(is_end) {
if(ntriples_parser->offset != ntriples_parser->line_length) {
raptor_parser_error(rdf_parser, "Junk at end of input.\"");
return 1;
}
return 0;
}
return 0;
}
static int
raptor_ntriples_parse_line(raptor_parser* rdf_parser,
unsigned char *buffer, size_t len)
{
int i;
unsigned char *p;
unsigned char *dest;
unsigned char *terms[3];
int terms_allocated[3];
size_t term_lengths[3];
raptor_ntriples_term_type term_types[3];
size_t term_length= 0;
unsigned char *object_literal_language=NULL;
unsigned char *object_literal_datatype=NULL;
int rc=0;
for(i=0; i<3; i++)
terms_allocated[i]=0;
/* ASSERTION:
* p always points to first char we are considering
* p[len-1] always points to last char
*/
/* Handle empty lines */
if(!len)
return 0;
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
RAPTOR_DEBUG3("handling line '%s' (%d bytes)\n", buffer, (unsigned int)len);
#endif
p=buffer;
while(len>0 && isspace((int)*p)) {
p++;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
len--;
}
/* Handle empty - all whitespace lines */
if(!len)
return 0;
/* Handle comment lines */
if(*p == '#')
return 0;
/* Remove trailing spaces */
while(len>0 && isspace((int)p[len-1])) {
p[len-1]='\0';
len--;
}
/* can't be empty now - that would have been caught above */
/* Check for terminating '.' */
if(p[len-1] != '.') {
/* Move current location to point to problem */
rdf_parser->locator.column += len-2;
rdf_parser->locator.byte += len-2;
raptor_parser_error(rdf_parser, "Missing . at end of line");
return 0;
}
p[len-1]='\0';
len--;
/* Must be triple */
for(i=0; i<3; i++) {
if(!len) {
raptor_parser_error(rdf_parser, "Unexpected end of line");
goto cleanup;
}
/* Expect either <URI> or _:name */
if(i == 2) {
if(*p != '<' && *p != '_' && *p != '"' && *p != 'x') {
raptor_parser_error(rdf_parser, "Saw '%c', expected <URIref>, _:bnodeID or \"literal\"", *p);
goto cleanup;
}
if(*p == 'x') {
if(len < 4 || strncmp((const char*)p, "xml\"", 4)) {
raptor_parser_error(rdf_parser, "Saw '%c', expected xml\"...\")", *p);
goto cleanup;
}
}
} else if(i == 1) {
if(*p != '<') {
raptor_parser_error(rdf_parser, "Saw '%c', expected <URIref>", *p);
goto cleanup;
}
} else /* i==0 */ {
if(*p != '<' && *p != '_') {
raptor_parser_error(rdf_parser, "Saw '%c', expected <URIref> or _:bnodeID", *p);
goto cleanup;
}
}
switch(*p) {
case '<':
term_types[i]= RAPTOR_NTRIPLES_TERM_TYPE_URI_REF;
dest=p;
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
dest, &len, &term_length,
'>', RAPTOR_TERM_CLASS_URI, 0)) {
rc=1;
goto cleanup;
}
break;
case '"':
term_types[i]= RAPTOR_NTRIPLES_TERM_TYPE_LITERAL;
dest=p;
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
dest, &len, &term_length,
'"', RAPTOR_TERM_CLASS_STRING, 0)) {
rc=1;
goto cleanup;
}
if(len && (*p == '-' || *p == '@')) {
if(*p == '-')
raptor_parser_error(rdf_parser, "Old N-Triples language syntax using \"string\"-lang rather than \"string\"@lang.");
object_literal_language=p;
/* Skip - */
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(!len) {
raptor_parser_error(rdf_parser, "Missing language after \"string\"-");
goto cleanup;
}
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
object_literal_language, &len, NULL,
'\0', RAPTOR_TERM_CLASS_LANGUAGE, 0)) {
rc=1;
goto cleanup;
}
}
if(len >1 && *p == '^' && p[1] == '^') {
object_literal_datatype=p;
/* Skip ^^ */
p+= 2;
len-= 2;
rdf_parser->locator.column+= 2;
rdf_parser->locator.byte+= 2;
if(!len || (len && *p != '<')) {
raptor_parser_error(rdf_parser, "Missing datatype URI-ref in\"string\"^^<URI-ref> after ^^");
goto cleanup;
}
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
object_literal_datatype, &len, NULL,
'>', RAPTOR_TERM_CLASS_URI, 0)) {
rc=1;
goto cleanup;
}
}
if(object_literal_datatype && object_literal_language) {
raptor_parser_warning(rdf_parser, "Typed literal used with a language - ignoring the language");
object_literal_language=NULL;
}
break;
case '_':
term_types[i]= RAPTOR_NTRIPLES_TERM_TYPE_BLANK_NODE;
/* store where _ was */
dest=p;
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(!len || (len > 0 && *p != ':')) {
raptor_parser_error(rdf_parser, "Illegal bNodeID - _ not followed by :");
goto cleanup;
}
/* Found ':' - move on */
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
dest, &len, &term_length,
'\0', RAPTOR_TERM_CLASS_BNODEID, 0)) {
rc=1;
goto cleanup;
}
if(!term_length) {
raptor_parser_error(rdf_parser, "Bad or missing bNodeID after _:");
goto cleanup;
} else {
unsigned char *blank=(unsigned char*)RAPTOR_MALLOC(cstring, term_length+1);
if(!blank) {
raptor_parser_fatal_error(rdf_parser, "Out of memory");
rc=1;
goto cleanup;
}
strcpy((char*)blank, (const char*)dest);
dest=raptor_parser_internal_generate_id(rdf_parser,
RAPTOR_GENID_TYPE_BNODEID,
blank);
terms_allocated[i]=1;
}
break;
case 'x':
raptor_parser_error(rdf_parser, "Old N-Triples XML using xml\"string\"-lang rather than \"string\"@lang^^<%s>.", raptor_xml_literal_datatype_uri_string);
/* already know we have 'xml"' coming up */
term_types[i]= RAPTOR_NTRIPLES_TERM_TYPE_LITERAL;
/* 3=strlen("xml") */
p+=3;
len-=3;
dest=p;
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
dest, &len, &term_length,
'"', RAPTOR_TERM_CLASS_STRING, 0)) {
rc=1;
goto cleanup;
}
/* got XML literal string */
object_literal_datatype=(unsigned char*)raptor_xml_literal_datatype_uri_string;
if(len && (*p == '-' || *p == '@')) {
if(*p == '-')
raptor_parser_error(rdf_parser, "Old N-Triples language syntax using xml\"string\"-lang rather than xml\"string\"@lang.");
object_literal_language=p;
/* Skip - */
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(!len) {
raptor_parser_error(rdf_parser, "Missing language in xml\"string\"-language after -");
goto cleanup;
}
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
object_literal_language, &len, NULL,
'"', RAPTOR_TERM_CLASS_STRING, 0)) {
rc=1;
goto cleanup;
}
}
if(len >1 && *p == '^' && p[1] == '^') {
object_literal_datatype=p;
/* Skip ^^ */
p+= 2;
len-= 2;
rdf_parser->locator.column+= 2;
rdf_parser->locator.byte+= 2;
if(!len || (len && *p != '<')) {
raptor_parser_error(rdf_parser, "Missing datatype URI-ref in xml\"string\"^^<URI-ref> after ^^");
goto cleanup;
}
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
if(raptor_ntriples_term(rdf_parser,
(const unsigned char**)&p,
object_literal_datatype, &len, NULL,
'>', RAPTOR_TERM_CLASS_URI, 0)) {
rc=1;
goto cleanup;
}
}
if(len) {
if(*p != ' ') {
raptor_parser_error(rdf_parser, "Missing terminating ' '");
return 0;
}
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
}
break;
default:
raptor_parser_fatal_error(rdf_parser, "Unknown term type");
rc=1;
goto cleanup;
}
/* Store term */
terms[i]=dest; term_lengths[i]=term_length;
/* Whitespace must separate the terms */
if(i<2 && !isspace((int)*p)) {
raptor_parser_error(rdf_parser, "Missing whitespace after term '%s'", terms[i]);
rc=1;
goto cleanup;
}
/* Skip whitespace after terms */
while(len>0 && isspace((int)*p)) {
p++;
len--;
rdf_parser->locator.column++;
rdf_parser->locator.byte++;
}
#if defined(RAPTOR_DEBUG) && RAPTOR_DEBUG > 1
fprintf(stderr, "item %d: term '%s' len %d type %s\n",
i, terms[i], (unsigned int)term_lengths[i],
raptor_ntriples_term_as_string(term_types[i]));
#endif
}
if(len) {
raptor_parser_error(rdf_parser, "Junk before terminating \".\"");
return 0;
}
if(object_literal_language) {
unsigned char *q;
/* Normalize language to lowercase
* http://www.w3.org/TR/rdf-concepts/#dfn-language-identifier
*/
for(q=object_literal_language; *q; q++) {
if(IS_ASCII_UPPER(*q))
*q=TO_ASCII_LOWER(*q);
}
}
raptor_ntriples_generate_statement(rdf_parser,
terms[0], term_types[0],
terms[1], term_types[1],
terms[2], term_types[2],
object_literal_language,
object_literal_datatype);
rdf_parser->locator.byte += len;
cleanup:
for(i=0; i<3; i++)
if(terms_allocated[i])
RAPTOR_FREE(cstring, terms[i]);
return rc;
}
