X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.spreadsheet%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fsolver%2Fformula%2Fparser%2FSheetParserUtils.java;fp=bundles%2Forg.simantics.spreadsheet%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fsolver%2Fformula%2Fparser%2FSheetParserUtils.java;h=970fb1d86850429922aa4e2c64e9190020713256;hb=5c67a96d34fe904b8c4b0375cd08ff1d543bf369;hp=0000000000000000000000000000000000000000;hpb=9a37dabc6c0212ed3e14499c88df3208cd06f9b0;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/parser/SheetParserUtils.java b/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/parser/SheetParserUtils.java
new file mode 100644
index 000000000..970fb1d86
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/parser/SheetParserUtils.java
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ *  Copyright (c) 2010 Association for Decentralized Information Management in
+ *  Industry THTH ry.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *      VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.spreadsheet.solver.formula.parser;
+
+public class SheetParserUtils {
+
+	public static String escape(String str) {
+		StringBuilder b = new StringBuilder();
+		for(int i = 0;i<str.length();++i) {
+			char c = str.charAt(i);
+			switch(c) {
+			case '\n':
+				b.append("\\n");
+				break;
+			case '\r':
+				b.append("\\r");
+				break;
+			case '\t':
+				b.append("\\t");
+				break;
+			case '\b':
+				b.append("\\b");
+				break;
+			case '\f':
+				b.append("\\f");
+				break;
+			case '\\':
+				b.append("\\\\");
+				break;
+			default:
+				b.append(c);
+			}
+		}
+		return b.toString();
+	}
+
+	public static String unescape(String str) {
+		StringBuilder b = new StringBuilder();
+		for(int i = 0;i<str.length();++i) {
+			char c = str.charAt(i);
+			if(c == '\\') {
+				c = str.charAt(++i);
+				switch(c) {
+				case 'n':
+					b.append('\n');
+					break;
+				case 'r':
+					b.append('\r');
+					break;
+				case 't':
+					b.append('\t');
+					break;
+				case 'b':
+					b.append('\b');
+					break;
+				case 'f':
+					b.append('\f');
+					break;
+				default:
+					b.append(c);
+				}
+			}
+			else
+				b.append(c);
+		}
+		return b.toString();
+	}
+	
+}