/**
* librdf_new_uri_from_uri_local_name:
* @old_uri: #librdf_uri object
* @local_name: local name to append to URI
*
* Copy constructor - create a new librdf_uri object from an existing librdf_uri object and a local name.
*
* Return value: a new #librdf_uri object or NULL on failure
**/
librdf_uri*
librdf_new_uri_from_uri_local_name (librdf_uri* old_uri,
const unsigned char *local_name)
{
return raptor_new_uri_from_uri_local_name(raptor_uri_get_world(old_uri),
old_uri, local_name);
}
/**
* librdf_new_uri_from_uri_local_name:
* @old_uri: #librdf_uri object
* @local_name: local name to append to URI
*
* Copy constructor - create a new librdf_uri object from an existing librdf_uri object and a local name.
*
* Return value: a new #librdf_uri object or NULL on failure
**/
librdf_uri*
librdf_new_uri_from_uri_local_name (librdf_uri* old_uri,
const unsigned char *local_name) {
#ifdef LIBRDF_USE_RAPTOR_URI
return raptor_new_uri_from_uri_local_name(raptor_uri_get_world(old_uri), old_uri, local_name);
#else
int len;
unsigned char *new_string;
librdf_uri* new_uri;
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(old_uri, librdf_uri, NULL);
if(!old_uri)
return NULL;
len=old_uri->string_length + strlen((const char*)local_name) +1 ; /* +1 for \0 */
new_string=(unsigned char*)LIBRDF_MALLOC(cstring, len);
if(!new_string)
return NULL;
strcpy((char*)new_string, (const char*)old_uri->string);
strcat((char*)new_string, (const char*)local_name);
new_uri=librdf_new_uri (old_uri->world, new_string);
LIBRDF_FREE(cstring, new_string);
return new_uri;
#endif /* !LIBRDF_USE_RAPTOR_URI */
}
/**
* librdf_new_uri_relative_to_base:
* @base_uri: absolute base URI
* @uri_string: relative URI string
*
* Constructor - create a new #librdf_uri object from a URI string relative to a base URI.
*
* An empty uri_string or NULL is equivalent to
* librdf_new_uri_from_uri(base_uri)
*
* Return value: a new #librdf_uri object or NULL on failure
**/
librdf_uri*
librdf_new_uri_relative_to_base(librdf_uri* base_uri,
const unsigned char *uri_string)
{
return raptor_new_uri_relative_to_base(raptor_uri_get_world(base_uri),
base_uri,
uri_string);
}
/**
* librdf_new_uri_relative_to_base:
* @base_uri: absolute base URI
* @uri_string: relative URI string
*
* Constructor - create a new #librdf_uri object from a URI string relative to a base URI.
*
* An empty uri_string or NULL is equivalent to
* librdf_new_uri_from_uri(base_uri)
*
* Return value: a new #librdf_uri object or NULL on failure
**/
librdf_uri*
librdf_new_uri_relative_to_base(librdf_uri* base_uri,
const unsigned char *uri_string) {
#ifdef LIBRDF_USE_RAPTOR_URI
return raptor_new_uri_relative_to_base(raptor_uri_get_world(base_uri),
base_uri,
uri_string);
#else
unsigned char *buffer;
int buffer_length;
librdf_uri* new_uri;
librdf_world *world=base_uri->world;
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(base_uri, librdf_uri, NULL);
if(!uri_string)
return NULL;
/* If URI string is empty, just copy base URI */
if(!*uri_string)
return librdf_new_uri_from_uri(base_uri);
/* +2 is for \0 plus an extra 1 for adding any missing URI path '/' */
buffer_length=base_uri->string_length + strlen((const char*)uri_string) +2;
buffer=(unsigned char*)LIBRDF_MALLOC(cstring, buffer_length);
if(!buffer)
return NULL;
raptor_uri_resolve_uri_reference(base_uri->string, uri_string,
buffer, buffer_length);
new_uri=librdf_new_uri(world, buffer);
LIBRDF_FREE(cstring, buffer);
return new_uri;
#endif /* !LIBRDF_USE_RAPTOR_URI */
}
/**
* librdf_new_uri_normalised_to_base:
* @uri_string: URI in string form
* @source_uri: source URI to remove
* @base_uri: base URI to add
*
* Constructor - create a new #librdf_uri object from a URI string stripped of the source URI, made relative to the base URI.
*
* Return value: a new #librdf_uri object or NULL on failure
**/
librdf_uri*
librdf_new_uri_normalised_to_base(const unsigned char *uri_string,
librdf_uri* source_uri,
librdf_uri* base_uri)
{
size_t uri_string_len;
size_t len;
unsigned char *new_uri_string;
librdf_uri *new_uri;
unsigned char* source_uri_string;
size_t source_uri_string_length;
unsigned char* base_uri_string;
size_t base_uri_string_length;
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(source_uri, librdf_uri, NULL);
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(base_uri, librdf_uri, NULL);
if(!uri_string)
return NULL;
/* empty URI - easy, just make from base_uri */
if(!*uri_string && base_uri) {
return raptor_uri_copy(base_uri);
}
source_uri_string = librdf_uri_as_counted_string(source_uri,
&source_uri_string_length);
base_uri_string = librdf_uri_as_counted_string(base_uri,
&base_uri_string_length);
/* not a fragment, and no match - easy */
if(*uri_string != '#' &&
strncmp((const char*)uri_string, (const char*)source_uri_string,
source_uri_string_length)) {
raptor_world* rworld = raptor_uri_get_world(base_uri);
return raptor_new_uri(rworld, uri_string);
}
/* darn - is a fragment or matches, is a prefix of the source URI */
/* move uri_string pointer to first non-matching char
* unless a fragment, when all of the uri_string will
* be appended
*/
if(*uri_string != '#')
uri_string += source_uri_string_length;
/* size of remaining bytes to copy from uri_string */
uri_string_len = strlen((const char*)uri_string);
/* total bytes */
len = uri_string_len + 1 + base_uri_string_length;
new_uri_string = LIBRDF_MALLOC(unsigned char*, len);
if(!new_uri_string)
return NULL;
strncpy((char*)new_uri_string, (const char*)base_uri_string,
base_uri_string_length);
/* strcpy not strncpy since I want a \0 on the end */
strcpy((char*)new_uri_string + base_uri_string_length,
(const char*)uri_string);
new_uri = raptor_new_uri(raptor_uri_get_world(source_uri), new_uri_string);
LIBRDF_FREE(char*, new_uri_string); /* always free this even on failure */
return new_uri; /* new URI or NULL from librdf_new_uri failure */
}
