Added a getSubStr function to Bu::FString, and more tests to the fstring unit

test.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/fstring.h b/src/fstring.h
index b4cae3a..620b312 100644
--- a/src/fstring.h
+++ b/src/fstring.h
@@ -390,6 +390,24 @@ namespace Bu
                         return pFirst->pData;
                 }
 
+                MyType getSubStr( long iStart, long iSize=-1 ) const
+                {
+                        if( iStart < 0 )
+                                iStart = 0;
+                        if( iStart >= nLength )
+                                return "";
+                        if( iSize < 0 )
+                                iSize = nLength;
+                        if( iStart+iSize > nLength )
+                                iSize = nLength-iStart;
+                        if( iSize == 0 )
+                                return "";
+
+                        flatten();
+                        MyType ret( pFirst->pData+iStart, iSize );
+                        return ret;
+                }
+
                 /**
                  * (std::string compatability) Get a pointer to the string array.
                  *@returns (chr *) The string data.