Class: YAJI::Parser
- Inherits:
-
Object
- Object
- YAJI::Parser
- Defined in:
- ext/yaji/parser_ext.c
Constant Summary collapse
- READ_BUFFER_SIZE =
INT2FIX(READ_BUFSIZE)
Class Method Summary collapse
Instance Method Summary collapse
- #each(*args) ⇒ Object
- #initialize(*args) ⇒ Object constructor
- #on_object ⇒ Object
- #parse(*args) ⇒ Object
- #write(val) ⇒ Object (also: #<<)
Constructor Details
#initialize(*args) ⇒ Object
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# File 'ext/yaji/parser_ext.c', line 255
static VALUE rb_yaji_parser_init(int argc, VALUE *argv, VALUE self)
{
return self;
(void)argc;
(void)argv;
}
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Class Method Details
.new(*args) ⇒ Object
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# File 'ext/yaji/parser_ext.c', line 192
static VALUE rb_yaji_parser_new(int argc, VALUE *argv, VALUE klass)
{
yaji_parser* p;
VALUE opts, obj;
obj = Data_Make_Struct(klass, yaji_parser, rb_yaji_parser_mark, rb_yaji_parser_free, p);
p->handle = NULL;
p->config.allowComments = 1;
p->config.checkUTF8 = 1;
p->symbolize_keys = 0;
p->with_path = 0;
p->filter = Qnil;
p->rbufsize = Qnil;
p->input = Qnil;
p->parser_cb = Qnil;
p->on_object_cb = Qnil;
rb_scan_args(argc, argv, "02", &p->input, &opts);
if (NIL_P(opts) && TYPE(p->input) == T_HASH) {
opts = p->input;
p->input = Qnil;
}
if (!NIL_P(p->input)) {
if (TYPE(p->input) == T_STRING) {
p->input = rb_class_new_instance(1, &p->input, c_stringio);
} else if (rb_respond_to(p->input, id_perform) && rb_respond_to(p->input, id_on_body)) {
rb_block_call(p->input, id_on_body, 0, NULL, rb_yaji_parser_parse_chunk, obj);
} else if (!rb_respond_to(p->input, id_read)) {
rb_raise(c_parse_error, "input must be a String or IO or "
"something responding to #perform and #on_body e.g. Curl::Easy");
}
}
if (!NIL_P(opts)) {
Check_Type(opts, T_HASH);
if (rb_hash_aref(opts, sym_allow_comments) == Qfalse) {
p->config.allowComments = 0;
}
if (rb_hash_aref(opts, sym_check_utf8) == Qfalse) {
p->config.checkUTF8 = 0;
}
if (rb_hash_aref(opts, sym_symbolize_keys) == Qtrue) {
p->symbolize_keys = 1;
}
p->rbufsize = rb_hash_aref(opts, sym_read_buffer_size);
if (rb_hash_aref(opts, sym_with_path) == Qtrue) {
p->with_path = 1;
}
p->filter = rb_hash_aref(opts, sym_filter);
}
if (NIL_P(p->rbufsize)) {
p->rbufsize = INT2FIX(READ_BUFSIZE);
} else {
Check_Type(p->rbufsize, T_FIXNUM);
}
p->object_stack = rb_ary_new();
p->path = rb_ary_new();
rb_ary_push(p->path, rb_str_new("", 0));
p->path_str = rb_str_new("", 0);
p->handle = yajl_alloc(&yaji_callbacks, &p->config, NULL, (void *)obj);
rb_obj_call_init(obj, 0, 0);
return obj;
}
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Instance Method Details
#each(*args) ⇒ Object
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# File 'ext/yaji/parser_ext.c', line 393
static VALUE rb_yaji_parser_each(int argc, VALUE* argv, VALUE self)
{
VALUE filter, proc, options;
yaji_parser* p = (yaji_parser*) DATA_PTR(self);
if (NIL_P(p->input)) {
rb_raise(rb_eArgError, "input object required to use #each method");
}
RETURN_ENUMERATOR(self, argc, argv);
rb_scan_args(argc, argv, "02&", &filter, &options, &proc);
p->effective_proc = proc;
p->object_stack = rb_ary_new();
if (NIL_P(filter)) {
p->effective_filter = p->filter;
} else {
p->effective_filter = filter;
}
p->effective_with_path = p->with_path ? Qtrue : Qfalse;
if (options != Qnil) {
VALUE arg;
Check_Type(options, T_HASH);
arg = rb_hash_aref(options, sym_with_path);
if (!NIL_P(arg)) {
p->effective_with_path = arg;
}
}
rb_block_call(self, id_parse, 0, NULL, rb_yaji_each_iter, self);
return Qnil;
}
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#on_object ⇒ Object
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# File 'ext/yaji/parser_ext.c', line 434
static VALUE rb_yaji_parser_on_object(VALUE self)
{
yaji_parser *p = DATA_PTR(self);
if (rb_block_given_p()) {
p->on_object_cb = rb_block_proc();
}
return p->on_object_cb;
}
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#parse(*args) ⇒ Object
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# File 'ext/yaji/parser_ext.c', line 275
static VALUE rb_yaji_parser_parse(int argc, VALUE* argv, VALUE self)
{
yajl_status rc;
yaji_parser* p = (yaji_parser*) DATA_PTR(self);
int i;
if (NIL_P(p->input)) {
rb_raise(rb_eArgError, "input object required to use #parse method");
}
rb_scan_args(argc, argv, "00&", &p->parser_cb);
RETURN_ENUMERATOR(self, argc, argv);
p->chunk = Qnil;
if (rb_respond_to(p->input, id_perform)) {
rb_funcall(p->input, id_perform, 0);
} else {
p->chunk = rb_str_new(NULL, 0);
while (rb_funcall(p->input, id_read, 2, p->rbufsize, p->chunk) != Qnil) {
rb_yaji_parser_parse_chunk(p->chunk, self);
}
}
p->events = rb_ary_new();
rc = yajl_parse_complete(p->handle);
if (rc == yajl_status_error ||
(rc == yajl_status_insufficient_data && p->chunk != Qnil &&
RSTRING_LEN(rb_funcall(p->chunk, id_strip, 0)) != 0)) {
RERAISE_PARSER_ERROR(p);
}
for (i=0; i<RARRAY_LEN(p->events); i++) {
rb_funcall(p->parser_cb, id_call, 1, RARRAY_PTR(p->events)[i]);
}
return Qnil;
}
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#write(val) ⇒ Object Also known as: <<
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# File 'ext/yaji/parser_ext.c', line 262
static VALUE rb_yaji_parser_write(VALUE self, VALUE val)
{
yaji_parser* p = (yaji_parser*) DATA_PTR(self);
if (NIL_P(p->on_object_cb)) {
rb_raise(rb_eArgError, "#on_object callback required");
}
if (!NIL_P(val)) {
Check_Type(val, T_STRING);
}
return rb_yaji_parser_parse_chunk(val, self);
}
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