class Nokogiri::HTML::SAX::ParserContext
Context for HTML SAX parsers. This class is usually not instantiated by the user. Instead, you should be looking at Nokogiri::HTML::SAX::Parser
Public Class Methods
file(p1, p2)
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static VALUE parse_file(VALUE klass, VALUE filename, VALUE encoding)
{
htmlParserCtxtPtr ctxt = htmlCreateFileParserCtxt(
StringValueCStr(filename),
StringValueCStr(encoding)
);
return Data_Wrap_Struct(klass, NULL, deallocate, ctxt);
}
memory(p1, p2)
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static VALUE
parse_memory(VALUE klass, VALUE data, VALUE encoding)
{
htmlParserCtxtPtr ctxt;
if (NIL_P(data))
rb_raise(rb_eArgError, "data cannot be nil");
if (!(int)RSTRING_LEN(data))
rb_raise(rb_eRuntimeError, "data cannot be empty");
ctxt = htmlCreateMemoryParserCtxt(StringValuePtr(data),
(int)RSTRING_LEN(data));
if (ctxt->sax) {
xmlFree(ctxt->sax);
ctxt->sax = NULL;
}
if (RTEST(encoding)) {
xmlCharEncodingHandlerPtr enc = xmlFindCharEncodingHandler(StringValueCStr(encoding));
if (enc != NULL) {
xmlSwitchToEncoding(ctxt, enc);
if (ctxt->errNo == XML_ERR_UNSUPPORTED_ENCODING) {
rb_raise(rb_eRuntimeError, "Unsupported encoding %s",
StringValueCStr(encoding));
}
}
}
return Data_Wrap_Struct(klass, NULL, deallocate, ctxt);
}
new(thing, encoding = 'UTF-8')
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Calls superclass method
Nokogiri::XML::SAX::ParserContext.new
# File lib/nokogiri/html/sax/parser_context.rb, line 9 def self.new thing, encoding = 'UTF-8' [:read, :close].all? { |x| thing.respond_to?(x) } ? super : memory(thing, encoding) end
Public Instance Methods
parse_with(p1)
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static VALUE
parse_with(VALUE self, VALUE sax_handler)
{
htmlParserCtxtPtr ctxt;
htmlSAXHandlerPtr sax;
if (!rb_obj_is_kind_of(sax_handler, cNokogiriXmlSaxParser))
rb_raise(rb_eArgError, "argument must be a Nokogiri::XML::SAX::Parser");
Data_Get_Struct(self, htmlParserCtxt, ctxt);
Data_Get_Struct(sax_handler, htmlSAXHandler, sax);
/* Free the sax handler since we'll assign our own */
if (ctxt->sax && ctxt->sax != (xmlSAXHandlerPtr)&xmlDefaultSAXHandler)
xmlFree(ctxt->sax);
ctxt->sax = sax;
ctxt->userData = (void *)NOKOGIRI_SAX_TUPLE_NEW(ctxt, sax_handler);
rb_ensure(parse_doc, (VALUE)ctxt, parse_doc_finalize, (VALUE)ctxt);
return self;
}