300 lines
6.8 KiB
C
300 lines
6.8 KiB
C
#include <nokogiri.h>
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static const rb_data_type_t html_elem_desc_type = {
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.wrap_struct_name = "htmlElemDesc",
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.flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED,
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};
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VALUE cNokogiriHtml4ElementDescription ;
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/*
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* call-seq:
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* required_attributes
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*
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* A list of required attributes for this element
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*/
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static VALUE
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required_attributes(VALUE self)
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{
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const htmlElemDesc *description;
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VALUE list;
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int i;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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list = rb_ary_new();
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if (NULL == description->attrs_req) { return list; }
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for (i = 0; description->attrs_depr[i]; i++) {
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rb_ary_push(list, NOKOGIRI_STR_NEW2(description->attrs_req[i]));
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}
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return list;
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}
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/*
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* call-seq:
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* deprecated_attributes
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*
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* A list of deprecated attributes for this element
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*/
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static VALUE
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deprecated_attributes(VALUE self)
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{
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const htmlElemDesc *description;
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VALUE list;
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int i;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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list = rb_ary_new();
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if (NULL == description->attrs_depr) { return list; }
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for (i = 0; description->attrs_depr[i]; i++) {
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rb_ary_push(list, NOKOGIRI_STR_NEW2(description->attrs_depr[i]));
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}
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return list;
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}
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/*
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* call-seq:
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* optional_attributes
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*
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* A list of optional attributes for this element
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*/
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static VALUE
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optional_attributes(VALUE self)
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{
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const htmlElemDesc *description;
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VALUE list;
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int i;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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list = rb_ary_new();
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if (NULL == description->attrs_opt) { return list; }
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for (i = 0; description->attrs_opt[i]; i++) {
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rb_ary_push(list, NOKOGIRI_STR_NEW2(description->attrs_opt[i]));
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}
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return list;
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}
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/*
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* call-seq:
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* default_sub_element
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*
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* The default sub element for this element
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*/
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static VALUE
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default_sub_element(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->defaultsubelt) {
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return NOKOGIRI_STR_NEW2(description->defaultsubelt);
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}
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return Qnil;
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}
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/*
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* call-seq:
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* sub_elements
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*
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* A list of allowed sub elements for this element.
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*/
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static VALUE
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sub_elements(VALUE self)
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{
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const htmlElemDesc *description;
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VALUE list;
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int i;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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list = rb_ary_new();
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if (NULL == description->subelts) { return list; }
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for (i = 0; description->subelts[i]; i++) {
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rb_ary_push(list, NOKOGIRI_STR_NEW2(description->subelts[i]));
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}
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return list;
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}
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/*
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* call-seq:
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* description
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*
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* The description for this element
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*/
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static VALUE
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description(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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return NOKOGIRI_STR_NEW2(description->desc);
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}
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/*
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* call-seq:
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* inline?
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*
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* Is this element an inline element?
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*/
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static VALUE
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inline_eh(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->isinline) { return Qtrue; }
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return Qfalse;
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}
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/*
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* call-seq:
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* deprecated?
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*
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* Is this element deprecated?
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*/
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static VALUE
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deprecated_eh(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->depr) { return Qtrue; }
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return Qfalse;
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}
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/*
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* call-seq:
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* empty?
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*
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* Is this an empty element?
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*/
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static VALUE
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empty_eh(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->empty) { return Qtrue; }
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return Qfalse;
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}
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/*
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* call-seq:
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* save_end_tag?
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*
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* Should the end tag be saved?
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*/
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static VALUE
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save_end_tag_eh(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->saveEndTag) { return Qtrue; }
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return Qfalse;
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}
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/*
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* call-seq:
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* implied_end_tag?
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*
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* Can the end tag be implied for this tag?
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*/
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static VALUE
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implied_end_tag_eh(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->endTag) { return Qtrue; }
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return Qfalse;
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}
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/*
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* call-seq:
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* implied_start_tag?
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*
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* Can the start tag be implied for this tag?
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*/
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static VALUE
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implied_start_tag_eh(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (description->startTag) { return Qtrue; }
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return Qfalse;
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}
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/*
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* call-seq:
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* name
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*
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* Get the tag name for this ElementDescription
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*/
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static VALUE
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name(VALUE self)
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{
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const htmlElemDesc *description;
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TypedData_Get_Struct(self, htmlElemDesc, &html_elem_desc_type, description);
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if (NULL == description->name) { return Qnil; }
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return NOKOGIRI_STR_NEW2(description->name);
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}
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/*
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* call-seq:
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* [](tag_name)
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*
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* Get ElementDescription for +tag_name+
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*/
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static VALUE
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get_description(VALUE klass, VALUE tag_name)
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{
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const htmlElemDesc *description = htmlTagLookup(
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(const xmlChar *)StringValueCStr(tag_name)
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);
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if (NULL == description) { return Qnil; }
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return TypedData_Wrap_Struct(klass, &html_elem_desc_type, DISCARD_CONST_QUAL(void *, description));
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}
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void
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noko_init_html_element_description(void)
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{
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cNokogiriHtml4ElementDescription = rb_define_class_under(mNokogiriHtml4, "ElementDescription", rb_cObject);
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rb_undef_alloc_func(cNokogiriHtml4ElementDescription);
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rb_define_singleton_method(cNokogiriHtml4ElementDescription, "[]", get_description, 1);
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rb_define_method(cNokogiriHtml4ElementDescription, "name", name, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "implied_start_tag?", implied_start_tag_eh, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "implied_end_tag?", implied_end_tag_eh, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "save_end_tag?", save_end_tag_eh, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "empty?", empty_eh, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "deprecated?", deprecated_eh, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "inline?", inline_eh, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "description", description, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "sub_elements", sub_elements, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "default_sub_element", default_sub_element, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "optional_attributes", optional_attributes, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "deprecated_attributes", deprecated_attributes, 0);
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rb_define_method(cNokogiriHtml4ElementDescription, "required_attributes", required_attributes, 0);
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}
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