From aac94b91ad83ad8f7832976e6da55d15de6e54e1 Mon Sep 17 00:00:00 2001
From: ljfa <ljfa-ag@web.de>
Date: Thu, 13 Aug 2015 11:31:57 +0200
Subject: Add io::read_tag and write_tag functions

---
 include/io/stream_reader.h | 20 ++++++++++++++++++++
 include/io/stream_writer.h | 12 ++++++++++++
 2 files changed, 32 insertions(+)

(limited to 'include')

diff --git a/include/io/stream_reader.h b/include/io/stream_reader.h
index 926d2453c6..877f6498ed 100644
--- a/include/io/stream_reader.h
+++ b/include/io/stream_reader.h
@@ -39,8 +39,28 @@ class input_error : public std::runtime_error
     using std::runtime_error::runtime_error;
 };
 
+/**
+* @brief Reads a named tag from the stream, making sure that it is a compound
+* @param is the stream to read from
+* @param e the byte order of the source data. The Java edition
+* of Minecraft uses Big Endian, the Pocket edition uses Little Endian
+* @throw input_error on failure, or if the tag in the stream is not a compound
+*/
+std::pair<std::string, std::unique_ptr<tag_compound>> read_compound(std::istream& is, endian::endian e = endian::big);
+
+/**
+* @brief Reads a named tag from the stream
+* @param is the stream to read from
+* @param e the byte order of the source data. The Java edition
+* of Minecraft uses Big Endian, the Pocket edition uses Little Endian
+* @throw input_error on failure
+*/
+std::pair<std::string, std::unique_ptr<tag>> read_tag(std::istream& is, endian::endian e = endian::big);
+
 /**
  * @brief Helper class for reading NBT tags from input streams
+ *
+ * Can be reused to read multiple tags
  */
 class stream_reader
 {
diff --git a/include/io/stream_writer.h b/include/io/stream_writer.h
index c94a7d4ece..c771426bb3 100644
--- a/include/io/stream_writer.h
+++ b/include/io/stream_writer.h
@@ -36,8 +36,20 @@ class output_error : public std::runtime_error
     using std::runtime_error::runtime_error;
 };*/
 
+/**
+* @brief Writes a named tag into the stream, including the tag type
+* @param key the name of the tag
+* @param t the tag
+* @param os the stream to write to
+* @param e the byte order of the written data. The Java edition
+* of Minecraft uses Big Endian, the Pocket edition uses Little Endian
+*/
+void write_tag(const std::string& key, const tag& t, std::ostream& os, endian::endian e = endian::big);
+
 /**
  * @brief Helper class for writing NBT tags to output streams
+ *
+ * Can be reused to write multiple tags
  */
 class stream_writer
 {
-- 
cgit 0.0.5-2-1-g0f52