113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
#include <nokogiri.h>
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VALUE cNokogiriEncodingHandler;
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static void
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xml_encoding_handler_dealloc(void *data)
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{
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/* make sure iconv handlers are cleaned up and freed */
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xmlCharEncodingHandlerPtr c_handler = data;
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xmlCharEncCloseFunc(c_handler);
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}
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static const rb_data_type_t xml_char_encoding_handler_type = {
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.wrap_struct_name = "xmlCharEncodingHandler",
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.function = {
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.dfree = xml_encoding_handler_dealloc,
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},
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.flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED,
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};
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/*
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* call-seq: Nokogiri::EncodingHandler.[](name)
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*
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* Get the encoding handler for +name+
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*/
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static VALUE
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rb_xml_encoding_handler_s_get(VALUE klass, VALUE key)
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{
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xmlCharEncodingHandlerPtr handler;
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handler = xmlFindCharEncodingHandler(StringValueCStr(key));
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if (handler) {
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return TypedData_Wrap_Struct(klass, &xml_char_encoding_handler_type, handler);
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}
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return Qnil;
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}
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/*
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* call-seq: Nokogiri::EncodingHandler.delete(name)
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*
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* Delete the encoding alias named +name+
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*/
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static VALUE
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rb_xml_encoding_handler_s_delete(VALUE klass, VALUE name)
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{
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if (xmlDelEncodingAlias(StringValueCStr(name))) { return Qnil; }
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return Qtrue;
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}
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/*
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* call-seq: Nokogiri::EncodingHandler.alias(real_name, alias_name)
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*
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* Alias encoding handler with name +real_name+ to name +alias_name+
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*/
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static VALUE
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rb_xml_encoding_handler_s_alias(VALUE klass, VALUE from, VALUE to)
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{
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xmlAddEncodingAlias(StringValueCStr(from), StringValueCStr(to));
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return to;
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}
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/*
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* call-seq: Nokogiri::EncodingHandler.clear_aliases!
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*
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* Remove all encoding aliases.
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*/
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static VALUE
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rb_xml_encoding_handler_s_clear_aliases(VALUE klass)
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{
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xmlCleanupEncodingAliases();
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return klass;
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}
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/*
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* call-seq: name
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*
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* Get the name of this EncodingHandler
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*/
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static VALUE
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rb_xml_encoding_handler_name(VALUE self)
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{
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xmlCharEncodingHandlerPtr handler;
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TypedData_Get_Struct(self, xmlCharEncodingHandler, &xml_char_encoding_handler_type, handler);
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return NOKOGIRI_STR_NEW2(handler->name);
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}
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void
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noko_init_xml_encoding_handler(void)
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{
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cNokogiriEncodingHandler = rb_define_class_under(mNokogiri, "EncodingHandler", rb_cObject);
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rb_undef_alloc_func(cNokogiriEncodingHandler);
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rb_define_singleton_method(cNokogiriEncodingHandler, "[]", rb_xml_encoding_handler_s_get, 1);
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rb_define_singleton_method(cNokogiriEncodingHandler, "delete", rb_xml_encoding_handler_s_delete, 1);
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rb_define_singleton_method(cNokogiriEncodingHandler, "alias", rb_xml_encoding_handler_s_alias, 2);
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rb_define_singleton_method(cNokogiriEncodingHandler, "clear_aliases!", rb_xml_encoding_handler_s_clear_aliases, 0);
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rb_define_method(cNokogiriEncodingHandler, "name", rb_xml_encoding_handler_name, 0);
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}
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