tag/ParseName: add StringView overloads

src/tag/ParseName.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -19,6 +19,7 @@
 
 #include "ParseName.hxx"
 #include "util/ASCII.hxx"
+#include "util/StringView.hxx"
 
 #include <assert.h>
 #include <string.h>
@@ -39,6 +40,21 @@ tag_name_parse(const char *name) noexcept
 }
 
 TagType
+tag_name_parse(StringView name) noexcept
+{
+	assert(name != nullptr);
+
+	for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i) {
+		assert(tag_item_names[i] != nullptr);
+
+		if (name.Equals(tag_item_names[i]))
+			return (TagType)i;
+	}
+
+	return TAG_NUM_OF_ITEM_TYPES;
+}
+
+TagType
 tag_name_parse_i(const char *name) noexcept
 {
 	assert(name != nullptr);
@@ -52,3 +68,18 @@ tag_name_parse_i(const char *name) noexcept
 
 	return TAG_NUM_OF_ITEM_TYPES;
 }
+
+TagType
+tag_name_parse_i(StringView name) noexcept
+{
+	assert(name != nullptr);
+
+	for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i) {
+		assert(tag_item_names[i] != nullptr);
+
+		if (name.EqualsIgnoreCase(tag_item_names[i]))
+			return (TagType)i;
+	}
+
+	return TAG_NUM_OF_ITEM_TYPES;
+}

src/tag/ParseName.hxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -23,6 +23,8 @@
 #include "Type.h"
 #include "util/Compiler.h"
 
+struct StringView;
+
 /**
  * Parse the string, and convert it into a #TagType.  Returns
  * #TAG_NUM_OF_ITEM_TYPES if the string could not be recognized.
@@ -31,6 +33,10 @@ gcc_pure
 TagType
 tag_name_parse(const char *name) noexcept;
 
+gcc_pure
+TagType
+tag_name_parse(StringView name) noexcept;
+
 /**
  * Parse the string, and convert it into a #TagType.  Returns
  * #TAG_NUM_OF_ITEM_TYPES if the string could not be recognized.
@@ -41,4 +47,8 @@ gcc_pure
 TagType
 tag_name_parse_i(const char *name) noexcept;
 
+gcc_pure
+TagType
+tag_name_parse_i(StringView name) noexcept;
+
 #endif