Class: Wankel::StreamParser
- Inherits:
-
Object
- Object
- Wankel::StreamParser
- Defined in:
- ext/wankel/wankel_stream_parser.c
Instance Method Summary collapse
- #complete ⇒ Object
- #initialize(*args) ⇒ Object constructor
- #parse(*args) ⇒ Object
- #write(input) ⇒ Object (also: #<<)
Constructor Details
#initialize(*args) ⇒ Object
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# File 'ext/wankel/wankel_stream_parser.c', line 32
VALUE stream_parser_initialize(int argc, VALUE * argv, VALUE self) {
VALUE defaults = rb_const_get(c_wankel, intern_DEFAULTS);
VALUE klass = rb_funcall(self, rb_intern("class"), 0);
VALUE options, rbufsize;
stream_parser * p;
rb_scan_args(argc, argv, "01", &options);
if (rb_const_defined(klass, intern_DEFAULTS)) {
defaults = rb_funcall(defaults, intern_merge, 1, rb_const_get(klass, intern_DEFAULTS));
}
if(options == Qnil) {
rb_iv_set(self, "@options", rb_funcall(defaults, intern_clone, 0) );
} else {
Check_Type(options, T_HASH);
rb_iv_set(self, "@options", rb_funcall(defaults, intern_merge, 1, options) );
}
options = rb_iv_get(self, "@options");
Data_Get_Struct(self, stream_parser, p);
p->callbacks = stream_parser_callbacks(self);
p->alloc_funcs.malloc = yajl_helper_malloc;
p->alloc_funcs.realloc = yajl_helper_realloc;
p->alloc_funcs.free = yajl_helper_free;
p->h = yajl_alloc(&p->callbacks, &p->alloc_funcs, (void *)self);
yajl_configure(p->h, options);
rbufsize = rb_hash_aref(options, sym_read_buffer_size);
Check_Type(rbufsize, T_FIXNUM);
p->rbufsize = rbufsize;
if(rb_hash_aref(options, sym_symbolize_keys) == Qtrue) {
p->symbolize_keys = 1;
} else {
p->symbolize_keys = 0;
}
return self;
}
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Instance Method Details
#complete ⇒ Object
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# File 'ext/wankel/wankel_stream_parser.c', line 120
static VALUE stream_parser_complete(VALUE self) {
yajl_status status;
stream_parser * p;
Data_Get_Struct(self, stream_parser, p);
status = yajl_complete_parse(p->h);
yajl_helper_check_status(p->h, status, 0, NULL, 0);
return Qnil;
}
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#parse(*args) ⇒ Object
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# File 'ext/wankel/wankel_stream_parser.c', line 72
static VALUE stream_parser_parse(int argc, VALUE * argv, VALUE self) {
const char * cptr;
size_t len;
yajl_status status;
stream_parser * p;
VALUE input;
Data_Get_Struct(self, stream_parser, p);
rb_scan_args(argc, argv, "10", &input);
if (TYPE(input) == T_STRING) {
cptr = RSTRING_PTR(input);
len = RSTRING_LEN(input);
status = yajl_parse(p->h, (const unsigned char*)cptr, len);
yajl_helper_check_status(p->h, status, 1, (const unsigned char*)cptr, len);
} else if (rb_respond_to(input, intern_io_read)) {
VALUE chunk = rb_str_new(0, FIX2LONG(p->rbufsize));
while (rb_funcall(input, intern_io_read, 2, p->rbufsize, chunk) != Qnil) {
cptr = RSTRING_PTR(chunk);
len = RSTRING_LEN(chunk);
status = yajl_parse(p->h, (const unsigned char*)cptr, len);
yajl_helper_check_status(p->h, status, 1, (const unsigned char*)cptr, len);
}
} else {
rb_raise(e_parseError, "input must be a string or an IO");
}
status = yajl_complete_parse(p->h);
yajl_helper_check_status(p->h, status, 0, NULL, 0);
return Qnil;
}
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#write(input) ⇒ Object Also known as: <<
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# File 'ext/wankel/wankel_stream_parser.c', line 104
static VALUE stream_parser_write(VALUE self, VALUE input) {
const char * cptr;
size_t len;
yajl_status status;
stream_parser * p;
Data_Get_Struct(self, stream_parser, p);
Check_Type(input, T_STRING);
cptr = RSTRING_PTR(input);
len = RSTRING_LEN(input);
status = yajl_parse(p->h, (const unsigned char*)cptr, len);
yajl_helper_check_status(p->h, status, 1, (const unsigned char*)cptr, len);
return Qnil;
}
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