Add location information to parsed objects and exceptions (#95)

* Store object locations when parsing and provide location of error in exceptions, where available
* Add line number tracking to ASCII plist parsing
* Add line information to ASCIIPropertyListParser exceptions
* Add parse method overloads to store XML line information when parsing
* Restructure unit tests
* Remove old ant script

pom.xml

@@ -74,6 +74,7 @@
                 <version>3.8.1</version>
                 <configuration>
                     <compilerArgument>-Xlint:unchecked</compilerArgument>
+                    <compilerArgument>-Xlint:deprecation</compilerArgument>
                 </configuration>
                 <executions>
                     <execution>

src/main/assembly/sources.xml

@@ -5,9 +5,6 @@
 	</formats>
 	<includeBaseDirectory>false</includeBaseDirectory>
 	<files>
-		<file>
-			<source>build.xml</source>
-        </file>
         <file>
 			<source>pom.xml</source>
         </file>

src/main/java/com/dd/plist/ASCIILocationInformation.java

@@ -0,0 +1,46 @@
+package com.dd.plist;
+
+/**
+ * Information about the location of an NSObject within an ASCII property list file.
+ * @author Daniel Dreibrodt
+ */
+public class ASCIILocationInformation extends LocationInformation {
+  private final int offset;
+  private final int lineNo;
+  private final int column;
+
+  ASCIILocationInformation(int offset, int lineNo, int column) {
+    this.offset = offset;
+    this.lineNo = lineNo;
+    this.column = column;
+  }
+
+  /**
+   * Gets the offset of the NSObject inside the file.
+   * @return The offset of the NSObject.
+   */
+  public int getOffset() {
+    return this.offset;
+  }
+
+  /**
+   * Gets the line number.
+   * @return The line number, starting at 1.
+   */
+  public int getLineNumber() {
+    return this.lineNo;
+  }
+
+  /**
+   * Gets the column number.
+   * @return The column, starting at 1.
+   */
+  public int getColumnNumber() {
+    return this.column;
+  }
+
+  @Override
+  public String getDescription() {
+    return "Line: " + this.lineNo + ", Column: " + this.column + ", Offset: " + this.offset;
+  }
+}