X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fstrings%2Futils.cpp;h=80e59f07a6cb5802eb741aa870a0498e2308fea0;hp=5728332d595c1bba62d126f9ddbee776c6164004;hb=9955efca718d8be72b63c7c2182ca59e7b9d0935;hpb=b42ed73a1b241c0e93ee03c43c4584b41c549bac

diff --git a/source/strings/utils.cpp b/source/strings/utils.cpp
index 5728332..80e59f0 100644
--- a/source/strings/utils.cpp
+++ b/source/strings/utils.cpp
@@ -1,13 +1,7 @@
-/* $Id$
-
-This file is part of libmspstrings
-Copyright © 2006-2008 Mikko Rasa
-Distributed under the LGPL
-*/
-
 #include <algorithm>
 #include <list>
-#include <msp/core/except.h>
+#include <stdexcept>
+#include <cctype>
 #include "utils.h"
 
 using namespace std;
@@ -136,6 +130,20 @@ string strip(const string &s)
 	return result;
 }
 
+string &append(string &str, const string &sep, const string &other)
+{
+	if(!str.empty() && !other.empty())
+		str += sep;
+	str += other;
+	return str;
+}
+
+string join(const string &str1, const string &sep, const string &str2)
+{
+	string result = str1;
+	return append(result, sep, str2);
+}
+
 string c_unescape(const std::string &str)
 {
 	bool escape = false;
@@ -155,7 +163,7 @@ string c_unescape(const std::string &str)
 			else if(*i>='A' && *i<='F')
 				digit = *i-'A'+10;
 			else
-				throw InvalidParameterValue("Invalid hexadecimal digit");
+				throw invalid_argument("c_unescape");
 
 			numeric_value = (numeric_value<<4 | digit);
 			++numeric_pos;
@@ -171,7 +179,7 @@ string c_unescape(const std::string &str)
 			if(*i>='0' && *i<='7')
 				digit = *i-'0';
 			else
-				throw InvalidParameterValue("Invalid octal digit");
+				throw invalid_argument("c_unescape");
 
 			numeric_value = (numeric_value<<3 | digit);
 			++numeric_pos;
@@ -216,7 +224,7 @@ string c_unescape(const std::string &str)
 			else if(*i=='\\')
 				result += '\\';
 			else
-				throw InvalidParameterValue("Invalid escape sequence");
+				throw invalid_argument("c_unescape");
 
 			escape = false;
 		}
@@ -227,7 +235,7 @@ string c_unescape(const std::string &str)
 	}
 
 	if(escape)	
-		throw InvalidParameterValue("Stray backslash at end of string");
+		throw invalid_argument("c_unescape");
 
 	return result;
 }
@@ -260,7 +268,9 @@ string c_escape(const string &str, bool escape_8bit)
 			result += "\\\\";
 		else if(static_cast<unsigned char>(*i)<' ' || (escape_8bit && (*i&0x80)))
 		{
-			char buf[4] = {'\\', '0'+((*i>>6)&3), '0'+((*i>>3)&7), '0'+(*i&7)};
+			char buf[4] = { '\\', 0 };
+			for(unsigned j=0; j<3; ++j)
+				buf[1+j] = '0'+((static_cast<unsigned char>(*i)>>(6-j*3))&7);
 			result.append(buf, 4);
 		}
 		else