bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/module/ModuleUtils.java

   1 package org.simantics.scl.compiler.module;
   2
   3 public class ModuleUtils {
   4     public static String resolveAbsolutePath(String moduleName, String relativeModuleName) throws InvalidModulePathException {
   5         if (relativeModuleName.startsWith(".")) {
   6                 String originalRelativeModuleName = relativeModuleName;
   7                 int p = moduleName.lastIndexOf('/');
   8                 String parentPackage = p < 0 ? "" : moduleName.substring(0, p);
   9                 while(relativeModuleName.startsWith(".")) {
  10                     if(relativeModuleName.startsWith("./")) {
  11                         relativeModuleName = relativeModuleName.substring(2);
  12                     }
  13                     else if(relativeModuleName.startsWith("../")) {
  14                         relativeModuleName = relativeModuleName.substring(3);
  15                         if(parentPackage.isEmpty()) {
  16                             throw new InvalidModulePathException("Couldn't resolve the relative module name " + originalRelativeModuleName + " when the current module name is " + moduleName + ".");
  17                         }
  18                         p = parentPackage.lastIndexOf('/');
  19                         parentPackage = p < 0 ? "" : parentPackage.substring(0, p);
  20                     }
  21                     else {
  22                         throw new InvalidModulePathException("Couldn't resolve the relative module name " + originalRelativeModuleName + ". It has an invalid syntax.");
  23                     }
  24                 }
  25                 return parentPackage + "/" + relativeModuleName;
  26         } else {
  27                 return relativeModuleName;
  28         }
  29     }
  30 }