Class: CBOR::Buffer
- Inherits:
-
Object
- Object
- CBOR::Buffer
- Defined in:
- ext/cbor/buffer_class.c
Instance Method Summary collapse
- #<<(string_or_buffer) ⇒ Object
- #clear ⇒ Object
- #close ⇒ Object
- #empty? ⇒ Boolean
- #flush ⇒ Object
- #initialize(*args) ⇒ Object constructor
- #io ⇒ Object
- #read(*args) ⇒ Object
- #read_all(*args) ⇒ Object
- #size ⇒ Object
- #skip(sn) ⇒ Object
- #skip_all(sn) ⇒ Object
- #to_a ⇒ Object
- #to_str ⇒ Object (also: #to_s)
- #write(string_or_buffer) ⇒ Object
- #write_to(io) ⇒ Object
Constructor Details
#initialize(*args) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 126
static VALUE Buffer_initialize(int argc, VALUE* argv, VALUE self)
{
VALUE io = Qnil;
VALUE options = Qnil;
if(argc == 0 || (argc == 1 && argv[0] == Qnil)) {
/* Qnil */
} else if(argc == 1) {
VALUE v = argv[0];
if(rb_type(v) == T_HASH) {
options = v;
} else {
io = v;
}
} else if(argc == 2) {
io = argv[0];
options = argv[1];
if(rb_type(options) != T_HASH) {
rb_raise(rb_eArgError, "expected Hash but found %s.", rb_obj_classname(io));
}
} else {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0..1)", argc);
}
BUFFER(self, b);
MessagePack_Buffer_initialize(b, io, options);
return self;
}
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Instance Method Details
#<<(string_or_buffer) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 196
static VALUE Buffer_append(VALUE self, VALUE string_or_buffer)
{
BUFFER(self, b);
VALUE string = string_or_buffer; // TODO optimize if string_or_buffer is a Buffer
StringValue(string);
msgpack_buffer_append_string(b, string);
return self;
}
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#clear ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 160
static VALUE Buffer_clear(VALUE self)
{
BUFFER(self, b);
msgpack_buffer_clear(b);
return Qnil;
}
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#close ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 469
static VALUE Buffer_close(VALUE self)
{
BUFFER(self, b);
if(b->io != Qnil) {
return rb_funcall(b->io, s_close, 0);
}
return Qnil;
}
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#empty? ⇒ Boolean
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# File 'ext/cbor/buffer_class.c', line 174
static VALUE Buffer_empty_p(VALUE self)
{
BUFFER(self, b);
if(msgpack_buffer_top_readable_size(b) == 0) {
return Qtrue;
} else {
return Qfalse;
}
}
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#flush ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 456
static VALUE Buffer_flush(VALUE self)
{
BUFFER(self, b);
msgpack_buffer_flush(b);
return self;
}
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#io ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 463
static VALUE Buffer_io(VALUE self)
{
BUFFER(self, b);
return b->io;
}
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#read(*args) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 383
static VALUE Buffer_read(int argc, VALUE* argv, VALUE self)
{
VALUE out = Qnil;
unsigned long n = -1;
bool all = false;
switch(argc) {
case 2:
out = argv[1];
/* pass through */
case 1:
n = FIX2ULONG(argv[0]);
break;
case 0:
all = true;
break;
default:
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0..2)", argc);
}
BUFFER(self, b);
if(out != Qnil) {
CHECK_STRING_TYPE(out);
}
if(all) {
return read_all(b, out);
}
if(n == 0) {
/* do nothing */
MAKE_EMPTY_STRING(out);
return out;
}
#ifndef DISABLE_BUFFER_READ_TO_S_OPTIMIZE
if(!msgpack_buffer_has_io(b) && out == Qnil &&
msgpack_buffer_all_readable_size(b) <= n) {
/* same as to_s && clear; optimize */
VALUE str = msgpack_buffer_all_as_string(b);
msgpack_buffer_clear(b);
if(RSTRING_LEN(str) == 0) {
return Qnil;
} else {
return str;
}
}
#endif
MAKE_EMPTY_STRING(out);
read_until_eof(b, out, n);
if(RSTRING_LEN(out) == 0) {
return Qnil;
} else {
return out;
}
}
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#read_all(*args) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 337
static VALUE Buffer_read_all(int argc, VALUE* argv, VALUE self)
{
VALUE out = Qnil;
unsigned long n = 0;
bool all = false;
switch(argc) {
case 2:
out = argv[1];
/* pass through */
case 1:
n = FIX2ULONG(argv[0]);
break;
case 0:
all = true;
break;
default:
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0..2)", argc);
}
BUFFER(self, b);
if(out != Qnil) {
CHECK_STRING_TYPE(out);
}
if(all) {
return read_all(b, out);
}
if(n == 0) {
/* do nothing */
MAKE_EMPTY_STRING(out);
return out;
}
if(!msgpack_buffer_ensure_readable(b, n)) {
rb_raise(rb_eEOFError, "end of buffer reached");
}
MAKE_EMPTY_STRING(out);
msgpack_buffer_read_to_string_nonblock(b, out, n);
return out;
}
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#size ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 167
static VALUE Buffer_size(VALUE self)
{
BUFFER(self, b);
size_t size = msgpack_buffer_all_readable_size(b);
return SIZET2NUM(size);
}
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#skip(sn) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 302
static VALUE Buffer_skip(VALUE self, VALUE sn)
{
BUFFER(self, b);
unsigned long n = FIX2ULONG(sn);
/* do nothing */
if(n == 0) {
return ULONG2NUM(0);
}
size_t sz = read_until_eof(b, Qnil, n);
return ULONG2NUM(sz);
}
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#skip_all(sn) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 317
static VALUE Buffer_skip_all(VALUE self, VALUE sn)
{
BUFFER(self, b);
unsigned long n = FIX2ULONG(sn);
/* do nothing */
if(n == 0) {
return self;
}
if(!msgpack_buffer_ensure_readable(b, n)) {
rb_raise(rb_eEOFError, "end of buffer reached");
}
msgpack_buffer_skip_nonblock(b, n);
return self;
}
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#to_a ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 450
static VALUE Buffer_to_a(VALUE self)
{
BUFFER(self, b);
return msgpack_buffer_all_as_string_array(b);
}
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#to_str ⇒ Object Also known as: to_s
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# File 'ext/cbor/buffer_class.c', line 444
static VALUE Buffer_to_str(VALUE self)
{
BUFFER(self, b);
return msgpack_buffer_all_as_string(b);
}
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#write(string_or_buffer) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 184
static VALUE Buffer_write(VALUE self, VALUE string_or_buffer)
{
BUFFER(self, b);
VALUE string = string_or_buffer; // TODO optimize if string_or_buffer is a Buffer
StringValue(string);
size_t length = msgpack_buffer_append_string(b, string);
return SIZET2NUM(length);
}
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#write_to(io) ⇒ Object
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# File 'ext/cbor/buffer_class.c', line 478
static VALUE Buffer_write_to(VALUE self, VALUE io)
{
BUFFER(self, b);
size_t sz = msgpack_buffer_flush_to_io(b, io, s_write, true);
return ULONG2NUM(sz);
}
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