Viewing file:  xml_dtd.c (4.04 KB) -rw-r--r--
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#include <xml_dtd.h>
static void notation_copier(void *payload, void *data, const xmlChar *name)
{
VALUE hash = (VALUE)data;
VALUE klass = rb_const_get(mNokogiriXml, rb_intern("Notation"));
xmlNotationPtr c_notation = (xmlNotationPtr)payload;
VALUE notation;
VALUE argv[3];
argv[0] = (c_notation->name ? NOKOGIRI_STR_NEW2(c_notation->name) : Qnil);
argv[1] = (c_notation->PublicID ? NOKOGIRI_STR_NEW2(c_notation->PublicID) : Qnil);
argv[2] = (c_notation->SystemID ? NOKOGIRI_STR_NEW2(c_notation->SystemID) : Qnil);
notation = rb_class_new_instance(3, argv, klass);
rb_hash_aset(hash, NOKOGIRI_STR_NEW2(name),notation);
}
static void element_copier(void *_payload, void *data, const xmlChar *name)
{
VALUE hash = (VALUE)data;
xmlNodePtr payload = (xmlNodePtr)_payload;
VALUE element = Nokogiri_wrap_xml_node(Qnil, payload);
rb_hash_aset(hash, NOKOGIRI_STR_NEW2(name), element);
}
/*
* call-seq:
* entities
*
* Get a hash of the elements for this DTD.
*/
static VALUE entities(VALUE self)
{
xmlDtdPtr dtd;
VALUE hash;
Data_Get_Struct(self, xmlDtd, dtd);
if(!dtd->entities) return Qnil;
hash = rb_hash_new();
xmlHashScan((xmlHashTablePtr)dtd->entities, element_copier, (void *)hash);
return hash;
}
/*
* call-seq:
* notations
*
* Get a hash of the notations for this DTD.
*/
static VALUE notations(VALUE self)
{
xmlDtdPtr dtd;
VALUE hash;
Data_Get_Struct(self, xmlDtd, dtd);
if(!dtd->notations) return Qnil;
hash = rb_hash_new();
xmlHashScan((xmlHashTablePtr)dtd->notations, notation_copier, (void *)hash);
return hash;
}
/*
* call-seq:
* attributes
*
* Get a hash of the attributes for this DTD.
*/
static VALUE attributes(VALUE self)
{
xmlDtdPtr dtd;
VALUE hash;
Data_Get_Struct(self, xmlDtd, dtd);
hash = rb_hash_new();
if(!dtd->attributes) return hash;
xmlHashScan((xmlHashTablePtr)dtd->attributes, element_copier, (void *)hash);
return hash;
}
/*
* call-seq:
* elements
*
* Get a hash of the elements for this DTD.
*/
static VALUE elements(VALUE self)
{
xmlDtdPtr dtd;
VALUE hash;
Data_Get_Struct(self, xmlDtd, dtd);
if(!dtd->elements) return Qnil;
hash = rb_hash_new();
xmlHashScan((xmlHashTablePtr)dtd->elements, element_copier, (void *)hash);
return hash;
}
/*
* call-seq:
* validate(document)
*
* Validate +document+ returning a list of errors
*/
static VALUE validate(VALUE self, VALUE document)
{
xmlDocPtr doc;
xmlDtdPtr dtd;
xmlValidCtxtPtr ctxt;
VALUE error_list;
Data_Get_Struct(self, xmlDtd, dtd);
Data_Get_Struct(document, xmlDoc, doc);
error_list = rb_ary_new();
ctxt = xmlNewValidCtxt();
xmlSetStructuredErrorFunc((void *)error_list, Nokogiri_error_array_pusher);
xmlValidateDtd(ctxt, doc, dtd);
xmlSetStructuredErrorFunc(NULL, NULL);
xmlFreeValidCtxt(ctxt);
return error_list;
}
/*
* call-seq:
* system_id
*
* Get the System ID for this DTD
*/
static VALUE system_id(VALUE self)
{
xmlDtdPtr dtd;
Data_Get_Struct(self, xmlDtd, dtd);
if(!dtd->SystemID) return Qnil;
return NOKOGIRI_STR_NEW2(dtd->SystemID);
}
/*
* call-seq:
* external_id
*
* Get the External ID for this DTD
*/
static VALUE external_id(VALUE self)
{
xmlDtdPtr dtd;
Data_Get_Struct(self, xmlDtd, dtd);
if(!dtd->ExternalID) return Qnil;
return NOKOGIRI_STR_NEW2(dtd->ExternalID);
}
VALUE cNokogiriXmlDtd;
void init_xml_dtd()
{
VALUE nokogiri = rb_define_module("Nokogiri");
VALUE xml = rb_define_module_under(nokogiri, "XML");
VALUE node = rb_define_class_under(xml, "Node", rb_cObject);
/*
* Nokogiri::XML::DTD wraps DTD nodes in an XML document
*/
VALUE klass = rb_define_class_under(xml, "DTD", node);
cNokogiriXmlDtd = klass;
rb_define_method(klass, "notations", notations, 0);
rb_define_method(klass, "elements", elements, 0);
rb_define_method(klass, "entities", entities, 0);
rb_define_method(klass, "validate", validate, 1);
rb_define_method(klass, "attributes", attributes, 0);
rb_define_method(klass, "system_id", system_id, 0);
rb_define_method(klass, "external_id", external_id, 0);
}
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