small change

[cdsspec-compiler.git] / src / edu / uci / eecs / specCompiler / specExtraction / ParserUtils.java

diff --git a/src/edu/uci/eecs/specCompiler/specExtraction/ParserUtils.java b/src/edu/uci/eecs/specCompiler/specExtraction/ParserUtils.java
new file mode 100644 (file)
index 0000000..ca78b43
--- /dev/null
+++ b/src/edu/uci/eecs/specCompiler/specExtraction/ParserUtils.java
@@ -0,0 +1,26 @@
+package edu.uci.eecs.specCompiler.specExtraction;
+
+import java.util.ArrayList;
+
+import edu.uci.eecs.specCompiler.codeGenerator.InterfaceWrongFormatException;
+
+public class ParserUtils {
+       public static String trimSpace(String line) {
+               int i, j;
+               char ch;
+               for (i = 0; i < line.length(); i++) {
+                       ch = line.charAt(i);
+                       if (ch != ' ' && ch != '\t')
+                               break;
+               }
+               for (j = line.length() - 1; j >= 0; j--) {
+                       ch = line.charAt(j);
+                       if (ch != ' ' && ch != '\t')
+                               break;
+               }
+               if (i > j)
+                       return "";
+               else
+                       return line.substring(i, j + 1);
+       }
+}