eq/neq fixes.

[stg.git] / stglibs / common.lib / common.cpp

diff --git a/stglibs/common.lib/common.cpp b/stglibs/common.lib/common.cpp
index 5bd66c8798d879ec5193c8a3a36e9845c45d6539..d91c17956755bfb008d800dcac5fccac2ffe0f55 100644 (file)
--- a/stglibs/common.lib/common.cpp
+++ b/stglibs/common.lib/common.cpp
@@ -47,6 +47,8 @@
 
 #include <iconv.h>
 
+#include <algorithm>
+
 #include <cstdlib>
 #include <cstdarg>
 #include <cstdio>
@@ -820,6 +822,18 @@ std::string & Trim(std::string & val)
 return TrimR(TrimL(val));
 }
 //---------------------------------------------------------------------------
+std::string ToLower(std::string value)
+{
+    std::transform(value.begin(), value.end(), value.begin(), ::tolower);
+    return value;
+}
+//---------------------------------------------------------------------------
+std::string ToUpper(std::string value)
+{
+    std::transform(value.begin(), value.end(), value.begin(), ::toupper);
+    return value;
+}
+//---------------------------------------------------------------------------
 #ifdef WIN32
 static int is_leap(unsigned y)
 {
@@ -1047,3 +1061,16 @@ while (done < size)
     }
 return true;
 }
+
+std::string ToPrintable(const std::string & src)
+{
+    std::string dest;
+
+    for (size_t i = 0; i < src.size(); ++i)
+        if (std::isprint(src[i]))
+            dest += src[i];
+        else
+            dest += "\\" + x2str(src[i]);
+
+    return dest;
+}