[Hgengine-cvs] SF.net SVN: hgengine:[387] Mercury2/src

[<cn...@us...>]

Revision: 387
          http://hgengine.svn.sourceforge.net/hgengine/?rev=387&view=rev
Author:   cnlohr
Date:     2009-06-28 21:59:32 +0000 (Sun, 28 Jun 2009)

Log Message:
-----------
add utility String functions (this is taken mostly from HG1, these functions proved highly useful and 
did not appear to cause problems)

Modified Paths:
--------------
    Mercury2/src/MercuryUtil.cpp
    Mercury2/src/MercuryUtil.h

Modified: Mercury2/src/MercuryUtil.cpp
===================================================================
--- Mercury2/src/MercuryUtil.cpp	2009-06-28 21:58:37 UTC (rev 386)
+++ Mercury2/src/MercuryUtil.cpp	2009-06-28 21:59:32 UTC (rev 387)
@@ -1,6 +1,7 @@
 #include <MercuryUtil.h>
 #include <MercuryFile.h>
 #include <Mint.h>
+#include <MercuryVector.h>
 
 MString ToUpper(const MString& s)
 {
@@ -87,6 +88,55 @@
 	return (ith<0)?3:(ith>15)?GeneralUsePrimes[15]:GeneralUsePrimes[ith];
 }
 
+//String processing functions
+long	BytesUntil( const char* strin, const char * termin, long start, long slen, long termlen )
+{
+	int i;
+	for ( i = start; i < slen; i++ )
+		for ( int j = 0; j < termlen; j++ )
+			if ( termin[j] == strin[i] )
+				return i - start;
+	return i - start;
+}
+
+long	BytesNUntil( const char* strin, const char * termin, long start, long slen, long termlen )
+{
+	int i;
+	for ( i = start; i < slen; i++ )
+	{
+		bool found = false;
+		for ( int j = 0; j < termlen; j++ )
+		{
+			if ( termin[j] == strin[i] )
+				found = true;
+		}
+		if ( !found ) 
+			return i - start;
+	}
+	return i - start;
+}
+
+void	SplitStrings( const MString & in, MVector < MString > & out, 
+					 const char * termin, const char * whitespace, 
+					 long termlen, long wslen )
+{
+	const char * inStr = in.c_str();
+	long	curPos = 0;
+	long	inLen = in.length();
+	while ( curPos < inLen )
+	{
+		curPos += BytesNUntil( inStr, whitespace, curPos, inLen, wslen );
+		long NextPos = BytesUntil( inStr, termin, curPos, inLen, termlen );
+		out.push_back( in.substr( curPos, NextPos ) );
+		curPos += NextPos + 1;
+	}
+}
+
+
+
+
+
+
 /* Copyright (c) 2009, Joshua Allen and Charles Lohr
  * All rights reserved.
  *

Modified: Mercury2/src/MercuryUtil.h
===================================================================
--- Mercury2/src/MercuryUtil.h	2009-06-28 21:58:37 UTC (rev 386)
+++ Mercury2/src/MercuryUtil.h	2009-06-28 21:59:32 UTC (rev 387)
@@ -104,6 +104,24 @@
 ///pattern is the next prime number that's roughly two times the last.
 int GetAPrime( int ith );
 
+
+
+
+//String processing functions
+//XXX: This may not be portable. We do not in fact need to include the header for MVector yet.
+template<typename T>
+class MVector;
+
+///Bytes until desired terminal
+long	BytesUntil( const char* strin, const char * termin, long start, long slen, long termlen );
+
+///Bytes until something other than a terminal
+long	BytesNUntil( const char* strin, const char * termin, long start, long slen, long termlen );
+
+///Split given string into other strings using delimiters from termin
+void	SplitStrings( const MString & in, MVector < MString > & out, const char * termin, const char * whitespace, long termlen, long wslen );
+
+
 #endif
 
 /* Copyright (c) 2009, Joshua Allen and Charles Lohr


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