/**
* raptor_new_iostream_from_file_handle:
* @world: raptor world
* @handle: Input file_handle to open and read from
*
* Constructor - create a new iostream reading from a file_handle.
*
* The @handle must already be open for reading.
* NOTE: This does not fclose the @handle when it is finished.
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_from_file_handle(raptor_world *world, FILE *handle)
{
raptor_iostream* iostr;
const raptor_iostream_handler* handler;
const unsigned int mode = RAPTOR_IOSTREAM_MODE_READ;
RAPTOR_CHECK_CONSTRUCTOR_WORLD(world);
if(!handle)
return NULL;
raptor_world_open(world);
handler = &raptor_iostream_read_file_handle_handler;
if(!raptor_iostream_check_handler(handler, mode))
return NULL;
iostr = RAPTOR_CALLOC(raptor_iostream*, 1, sizeof(*iostr));
if(!iostr)
return NULL;
iostr->world = world;
iostr->handler = handler;
iostr->user_data = (void*)handle;
iostr->mode = mode;
if(iostr->handler->init &&
iostr->handler->init(iostr->user_data)) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_from_file_handle:
* @handle: Input file_handle to open and read from
*
* Constructor - create a new iostream reading from a file_handle.
*
* The @handle must already be open for reading.
* NOTE: This does not fclose the @handle when it is finished.
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_from_file_handle(FILE *handle)
{
raptor_iostream* iostr;
const raptor_iostream_handler2* handler2=&raptor_iostream_read_file_handle_handler;
const unsigned int mode=RAPTOR_IOSTREAM_MODE_READ;
if(!handle)
return NULL;
if(!raptor_iostream_check_handler(handler2, mode))
return NULL;
iostr=(raptor_iostream*)RAPTOR_CALLOC(raptor_iostream, 1,
sizeof(raptor_iostream));
if(!iostr)
return NULL;
iostr->handler=handler2;
iostr->user_data=(void*)handle;
iostr->mode = mode;
if(iostr->handler->init &&
iostr->handler->init(iostr->user_data)) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_from_handler:
* @world: raptor_world object
* @user_data: pointer to context information to pass in to calls
* @handler: pointer to handler methods
*
* Create a new iostream over a user-defined handler
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_from_handler(raptor_world *world,
void *user_data,
const raptor_iostream_handler* const handler)
{
raptor_iostream* iostr;
RAPTOR_CHECK_CONSTRUCTOR_WORLD(world);
RAPTOR_ASSERT_OBJECT_POINTER_RETURN_VALUE(handler, raptor_iostream_handler, NULL);
raptor_world_open(world);
if(!raptor_iostream_check_handler(handler, 0))
return NULL;
iostr = RAPTOR_CALLOC(raptor_iostream*, 1, sizeof(*iostr));
if(!iostr)
return NULL;
iostr->world = world;
iostr->handler = handler;
iostr->user_data = (void*)user_data;
iostr->mode = raptor_iostream_calculate_modes(handler);
if(iostr->handler->init &&
iostr->handler->init(iostr->user_data)) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_to_filename:
* @filename: Output filename to open and write to
*
* Constructor - create a new iostream writing to a filename.
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_to_filename(const char *filename)
{
FILE *handle;
raptor_iostream* iostr;
const raptor_iostream_handler2* handler2=&raptor_iostream_write_filename_handler;
const unsigned int mode=RAPTOR_IOSTREAM_MODE_WRITE;
if(!raptor_iostream_check_handler(handler2, mode))
return NULL;
handle=fopen(filename, "wb");
if(!handle)
return NULL;
iostr=(raptor_iostream*)RAPTOR_CALLOC(raptor_iostream, 1, sizeof(raptor_iostream));
if(!iostr) {
fclose(handle);
return NULL;
}
iostr->handler=handler2;
iostr->user_data=(void*)handle;
iostr->mode=mode;
if(iostr->handler->init &&
iostr->handler->init(iostr->user_data)) {
raptor_free_iostream(iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_from_handler2:
* @user_data: pointer to context information to pass in to calls
* @handler2: pointer to handler methods
*
* Create a new iostream over a user-defined handler
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_from_handler2(void *user_data,
const raptor_iostream_handler2 * const handler2)
{
raptor_iostream* iostr;
if(!raptor_iostream_check_handler(handler2, 0))
return NULL;
iostr=(raptor_iostream*)RAPTOR_CALLOC(raptor_iostream, 1,
sizeof(raptor_iostream));
if(!iostr)
return NULL;
iostr->handler=handler2;
iostr->user_data=(void*)user_data;
iostr->mode = raptor_iostream_calculate_modes(handler2);
if(iostr->handler->init &&
iostr->handler->init(iostr->user_data)) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_to_string:
* @string_p: pointer to location to hold string
* @length_p: pointer to location to hold length of string (or NULL)
* @malloc_handler: pointer to malloc to use to make string (or NULL)
*
* Constructor - create a new iostream writing to a string.
*
* If @malloc_handler is null, raptor will allocate it using it's
* own memory allocator. *@string_p is set to NULL on failure (and
* *@length_p to 0 if @length_p is not NULL).
*
* Return value: new #raptor_iostream object or NULL on failure
**/
RAPTOR_EXTERN_C
raptor_iostream*
raptor_new_iostream_to_string(void **string_p, size_t *length_p,
void *(*malloc_handler)(size_t size))
{
raptor_iostream* iostr;
struct raptor_write_string_iostream_context* con;
const raptor_iostream_handler2* handler2=&raptor_iostream_write_string_handler;
const unsigned int mode=RAPTOR_IOSTREAM_MODE_WRITE;
if(!raptor_iostream_check_handler(handler2, mode))
return NULL;
iostr=(raptor_iostream*)RAPTOR_CALLOC(raptor_iostream, 1,
sizeof(raptor_iostream));
if(!iostr)
return NULL;
con=(struct raptor_write_string_iostream_context*)RAPTOR_CALLOC(raptor_write_string_iostream_context, 1, sizeof(struct raptor_write_string_iostream_context));
if(!con) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
con->sb=raptor_new_stringbuffer();
if(!con->sb) {
RAPTOR_FREE(raptor_iostream, iostr);
RAPTOR_FREE(raptor_write_string_iostream_context, con);
return NULL;
}
con->string_p=string_p;
*string_p=NULL;
con->length_p=length_p;
if(length_p)
*length_p=0;
if(malloc_handler)
con->malloc_handler=malloc_handler;
else
con->malloc_handler=raptor_alloc_memory;
iostr->handler=handler2;
iostr->user_data=(void*)con;
iostr->mode = mode;
if(iostr->handler->init && iostr->handler->init(iostr->user_data)) {
raptor_free_iostream(iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_from_string:
* @world: raptor world
* @string: pointer to string
* @length: length of string
*
* Constructor - create a new iostream reading from a string.
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_from_string(raptor_world *world,
void *string, size_t length)
{
raptor_iostream* iostr;
struct raptor_read_string_iostream_context* con;
const raptor_iostream_handler* handler;
const unsigned int mode = RAPTOR_IOSTREAM_MODE_READ;
RAPTOR_CHECK_CONSTRUCTOR_WORLD(world);
if(!string)
return NULL;
raptor_world_open(world);
handler = &raptor_iostream_read_string_handler;
if(!raptor_iostream_check_handler(handler, mode))
return NULL;
iostr = RAPTOR_CALLOC(raptor_iostream*, 1, sizeof(*iostr));
if(!iostr)
return NULL;
con = RAPTOR_CALLOC(struct raptor_read_string_iostream_context*, 1,
sizeof(*con));
if(!con) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
con->string = string;
con->length = length;
iostr->world = world;
iostr->handler = handler;
iostr->user_data = (void*)con;
iostr->mode = mode;
if(iostr->handler->init && iostr->handler->init(iostr->user_data)) {
raptor_free_iostream(iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_to_filename:
* @world: raptor world
* @filename: Output filename to open and write to
*
* Constructor - create a new iostream writing to a filename.
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_to_filename(raptor_world *world, const char *filename)
{
FILE *handle;
raptor_iostream* iostr;
const raptor_iostream_handler* handler;
const unsigned int mode = RAPTOR_IOSTREAM_MODE_WRITE;
RAPTOR_CHECK_CONSTRUCTOR_WORLD(world);
raptor_world_open(world);
if(!filename)
return NULL;
handler = &raptor_iostream_write_filename_handler;
if(!raptor_iostream_check_handler(handler, mode))
return NULL;
handle = fopen(filename, "wb");
if(!handle)
return NULL;
iostr = RAPTOR_CALLOC(raptor_iostream*, 1, sizeof(*iostr));
if(!iostr) {
fclose(handle);
return NULL;
}
iostr->world = world;
iostr->handler = handler;
iostr->user_data = (void*)handle;
iostr->mode = mode;
if(iostr->handler->init &&
iostr->handler->init(iostr->user_data)) {
raptor_free_iostream(iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_from_string:
* @string: pointer to string
* @length: length of string
*
* Constructor - create a new iostream reading from a string.
*
* Return value: new #raptor_iostream object or NULL on failure
**/
raptor_iostream*
raptor_new_iostream_from_string(void *string, size_t length)
{
raptor_iostream* iostr;
struct raptor_read_string_iostream_context* con;
const raptor_iostream_handler2* handler2=&raptor_iostream_read_string_handler;
const unsigned int mode=RAPTOR_IOSTREAM_MODE_READ;
if(!string)
return NULL;
if(!raptor_iostream_check_handler(handler2, mode))
return NULL;
iostr=(raptor_iostream*)RAPTOR_CALLOC(raptor_iostream, 1,
sizeof(raptor_iostream));
if(!iostr)
return NULL;
con=(struct raptor_read_string_iostream_context*)RAPTOR_CALLOC(raptor_read_string_iostream_context, 1, sizeof(struct raptor_read_string_iostream_context));
if(!con) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
con->string=string;
con->length=length;
iostr->handler=handler2;
iostr->user_data=(void*)con;
iostr->mode = mode;
if(iostr->handler->init && iostr->handler->init(iostr->user_data)) {
raptor_free_iostream(iostr);
return NULL;
}
return iostr;
}
/**
* raptor_new_iostream_to_string:
* @world: raptor world
* @string_p: pointer to location to hold string
* @length_p: pointer to location to hold length of string (or NULL)
* @malloc_handler: pointer to malloc() to use to make string (or NULL)
*
* Constructor - create a new iostream writing to a string.
*
* If @malloc_handler is null, raptor will allocate it using it's
* own memory allocator. *@string_p is set to NULL on failure (and
* *@length_p to 0 if @length_p is not NULL).
*
* Return value: new #raptor_iostream object or NULL on failure
**/
RAPTOR_EXTERN_C
raptor_iostream*
raptor_new_iostream_to_string(raptor_world *world,
void **string_p, size_t *length_p,
raptor_data_malloc_handler const malloc_handler)
{
raptor_iostream* iostr;
struct raptor_write_string_iostream_context* con;
const raptor_iostream_handler* handler;
const unsigned int mode = RAPTOR_IOSTREAM_MODE_WRITE;
RAPTOR_CHECK_CONSTRUCTOR_WORLD(world);
if(!string_p)
return NULL;
raptor_world_open(world);
handler = &raptor_iostream_write_string_handler;
if(!raptor_iostream_check_handler(handler, mode))
return NULL;
iostr = RAPTOR_CALLOC(raptor_iostream*, 1, sizeof(*iostr));
if(!iostr)
return NULL;
con = RAPTOR_CALLOC(struct raptor_write_string_iostream_context*, 1,
sizeof(*con));
if(!con) {
RAPTOR_FREE(raptor_iostream, iostr);
return NULL;
}
con->sb = raptor_new_stringbuffer();
if(!con->sb) {
RAPTOR_FREE(raptor_iostream, iostr);
RAPTOR_FREE(raptor_write_string_iostream_context, con);
return NULL;
}
con->string_p = string_p;
*string_p = NULL;
con->length_p = length_p;
if(length_p)
*length_p = 0;
if(malloc_handler)
con->malloc_handler = malloc_handler;
else
con->malloc_handler = raptor_alloc_memory;
iostr->world = world;
iostr->handler = handler;
iostr->user_data = (void*)con;
iostr->mode = mode;
if(iostr->handler->init && iostr->handler->init(iostr->user_data)) {
raptor_free_iostream(iostr);
return NULL;
}
return iostr;
}
