Add bin and edit workflow

bin/gems/nokogiri-1.18.3-x86_64-linux-gnu/ext/nokogiri/xml_attr.c

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+#include <nokogiri.h>
+
+VALUE cNokogiriXmlAttr;
+
+/*
+ * call-seq:
+ *  value=(content)
+ *
+ * Set the value for this Attr to +content+. Use +nil+ to remove the value
+ * (e.g., a HTML boolean attribute).
+ */
+static VALUE
+set_value(VALUE self, VALUE content)
+{
+  xmlAttrPtr attr;
+  xmlChar *value;
+  xmlNode *cur;
+
+  Noko_Node_Get_Struct(self, xmlAttr, attr);
+
+  if (attr->children) {
+    xmlFreeNodeList(attr->children);
+  }
+  attr->children = attr->last = NULL;
+
+  if (content == Qnil) {
+    return content;
+  }
+
+  value = xmlEncodeEntitiesReentrant(attr->doc, (unsigned char *)StringValueCStr(content));
+  if (xmlStrlen(value) == 0) {
+    attr->children = xmlNewDocText(attr->doc, value);
+  } else {
+    attr->children = xmlStringGetNodeList(attr->doc, value);
+  }
+  xmlFree(value);
+
+  for (cur = attr->children; cur; cur = cur->next) {
+    cur->parent = (xmlNode *)attr;
+    cur->doc = attr->doc;
+    if (cur->next == NULL) {
+      attr->last = cur;
+    }
+  }
+
+  return content;
+}
+
+/*
+ * call-seq:
+ *  new(document, name)
+ *
+ * Create a new Attr element on the +document+ with +name+
+ */
+static VALUE
+new (int argc, VALUE *argv, VALUE klass)
+{
+  xmlDocPtr xml_doc;
+  VALUE document;
+  VALUE name;
+  VALUE rest;
+  xmlAttrPtr node;
+  VALUE rb_node;
+
+  rb_scan_args(argc, argv, "2*", &document, &name, &rest);
+
+  if (! rb_obj_is_kind_of(document, cNokogiriXmlDocument)) {
+    rb_raise(rb_eArgError, "parameter must be a Nokogiri::XML::Document");
+  }
+
+  xml_doc = noko_xml_document_unwrap(document);
+
+  node = xmlNewDocProp(
+           xml_doc,
+           (const xmlChar *)StringValueCStr(name),
+           NULL
+         );
+
+  noko_xml_document_pin_node((xmlNodePtr)node);
+
+  rb_node = noko_xml_node_wrap(klass, (xmlNodePtr)node);
+  rb_obj_call_init(rb_node, argc, argv);
+
+  if (rb_block_given_p()) {
+    rb_yield(rb_node);
+  }
+
+  return rb_node;
+}
+
+void
+noko_init_xml_attr(void)
+{
+  assert(cNokogiriXmlNode);
+  /*
+   * Attr represents a Attr node in an xml document.
+   */
+  cNokogiriXmlAttr = rb_define_class_under(mNokogiriXml, "Attr", cNokogiriXmlNode);
+
+  rb_define_singleton_method(cNokogiriXmlAttr, "new", new, -1);
+
+  rb_define_method(cNokogiriXmlAttr, "value=", set_value, 1);
+}