From 1520d49310c07b1f8500582b6ac22baedcc80dcb Mon Sep 17 00:00:00 2001
From: Ciaran Gultnieks <ciaran@ciarang.com>
Date: Mon, 16 May 2011 16:13:17 +0100
Subject: Privileges to/from string conversion functions standalone, not static
 members

---
 src/player.cpp | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

(limited to 'src/player.cpp')

diff --git a/src/player.cpp b/src/player.cpp
index 2ebf158a6..e568d7dee 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -23,6 +23,55 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "constants.h"
 #include "utility.h"
 
+// Convert a privileges value into a human-readable string,
+// with each component separated by a comma.
+std::wstring privsToString(u64 privs)
+{
+	std::wostringstream os(std::ios_base::binary);
+	if(privs & PRIV_BUILD)
+		os<<L"build,";
+	if(privs & PRIV_TELEPORT)
+		os<<L"teleport,";
+	if(privs & PRIV_SETTIME)
+		os<<L"settime,";
+	if(privs & PRIV_PRIVS)
+		os<<L"privs,";
+	if(os.tellp())
+	{
+		// Drop the trailing comma. (Why on earth can't
+		// you truncate a C++ stream anyway???)
+		std::wstring tmp = os.str();
+		return tmp.substr(0, tmp.length() -1);
+	}
+	return os.str();
+}
+
+// Converts a comma-seperated list of privilege values into a
+// privileges value. The reverse of privsToString(). Returns
+// PRIV_INVALID if there is anything wrong with the input.
+u64 stringToPrivs(std::wstring str)
+{
+	u64 privs=0;
+	std::vector<std::wstring> pr;
+	pr=str_split(str, ',');
+	for(std::vector<std::wstring>::iterator i = pr.begin();
+		i != pr.end(); ++i)
+	{
+		if(*i == L"build")
+			privs |= PRIV_BUILD;
+		else if(*i == L"teleport")
+			privs |= PRIV_TELEPORT;
+		else if(*i == L"settime")
+			privs |= PRIV_SETTIME;
+		else if(*i == L"privs")
+			privs |= PRIV_PRIVS;
+		else
+			return PRIV_INVALID;
+	}
+	return privs;
+}
+
+
 Player::Player():
 	touching_ground(false),
 	in_water(false),
-- 
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