validator: Add methods to query tag severity/explanation explicitly

This can be useful if you only know the tag, but want its
explanation/severity without actually having the AsValidatorIssue.

src/as-validator.c

@@ -2257,6 +2257,42 @@ as_validator_get_report_yaml (AsValidator *validator)
 	return g_string_free (yaml_result, FALSE);
 }
 
+/**
+ * as_validator_get_tag_explanation:
+ * @validator: An instance of #AsValidator.
+ *
+ * Get the explanatory text for a given issue tag.
+ *
+ * Returns: Explanation text.
+ */
+const gchar*
+as_validator_get_tag_explanation (AsValidator *validator, const gchar *tag)
+{
+	AsValidatorPrivate *priv = GET_PRIVATE (validator);
+	const AsValidatorIssueTag *tag_data = g_hash_table_lookup (priv->issue_tags, tag);
+	if (tag_data == NULL)
+		return NULL;
+	return tag_data->explanation;
+}
+
+/**
+ * as_validator_get_tag_severity:
+ * @validator: An instance of #AsValidator.
+ *
+ * Get the severity for a given issue tag.
+ *
+ * Returns: The #AsIssueSeverity
+ */
+AsIssueSeverity
+as_validator_get_tag_severity (AsValidator *validator, const gchar *tag)
+{
+	AsValidatorPrivate *priv = GET_PRIVATE (validator);
+	const AsValidatorIssueTag *tag_data = g_hash_table_lookup (priv->issue_tags, tag);
+	if (tag_data == NULL)
+		return AS_ISSUE_SEVERITY_UNKNOWN;
+	return tag_data->severity;
+}
+
 /**
  * as_validator_class_init:
  **/

src/as-validator.h

@@ -26,6 +26,7 @@
 #define __AS_VALIDATOR_H
 
 #include <glib-object.h>
+#include "as-validator-issue.h"
 
 G_BEGIN_DECLS
 
@@ -62,6 +63,11 @@ gboolean	as_validator_get_check_urls (AsValidator *validator);
 void		as_validator_set_check_urls (AsValidator *validator,
 						gboolean value);
 
+const gchar	*as_validator_get_tag_explanation (AsValidator *validator,
+						   const gchar *tag);
+AsIssueSeverity	as_validator_get_tag_severity (AsValidator *validator,
+					       const gchar *tag);
+
 G_END_DECLS
 
 #endif /* __AS_VALIDATOR_H */