Add typo detector

This changeset adds a new typo detector. There
are also some lint infrastructure fixes to better
handle positions within text nodes, and to allow
Eclipse lint quickfixes to supply multiple fixes
for a single issue (such as multiple misspelling
alternative replacements.)

Change-Id: Ie26f0bafc571e02ae09ff27a7f4b221fe0c2ea5b

2 files changed, 33 insertions, 0 deletions

diff --git a/lint/libs/lint_api/src/com/android/tools/lint/client/api/IDomParser.java b/lint/libs/lint_api/src/com/android/tools/lint/client/api/IDomParser.java
index 871133b..1a70fac 100644
--- a/lint/libs/lint_api/src/com/android/tools/lint/client/api/IDomParser.java
+++ b/lint/libs/lint_api/src/com/android/tools/lint/client/api/IDomParser.java
@@ -58,6 +58,20 @@ public interface IDomParser {
     Location getLocation(@NonNull XmlContext context, @NonNull Node node);
 
     /**
+     * Returns a {@link Location} for the given DOM node. Like
+     * {@link #getLocation(XmlContext, Node)}, but allows a position range that
+     * is a subset of the node range.
+     *
+     * @param context information about the file being parsed
+     * @param node the node to create a location for
+     * @param start the starting position within the node, inclusive
+     * @param end the ending position within the node, exclusive
+     * @return a location for the given node
+     */
+    @NonNull
+    Location getLocation(@NonNull XmlContext context, @NonNull Node node, int start, int end);
+
+    /**
      * Creates a light-weight handle to a location for the given node. It can be
      * turned into a full fledged location by
      * {@link com.android.tools.lint.detector.api.Location.Handle#resolve()}.
diff --git a/lint/libs/lint_api/src/com/android/tools/lint/detector/api/XmlContext.java b/lint/libs/lint_api/src/com/android/tools/lint/detector/api/XmlContext.java
index 78e8632..14e0a91 100644
--- a/lint/libs/lint_api/src/com/android/tools/lint/detector/api/XmlContext.java
+++ b/lint/libs/lint_api/src/com/android/tools/lint/detector/api/XmlContext.java
@@ -82,6 +82,25 @@ public class XmlContext extends Context {
     }
 
     /**
+     * Creates a new location within an XML text node
+     *
+     * @param textNode the text node
+     * @param begin the start offset within the text node (inclusive)
+     * @param end the end offset within the text node (exclusive)
+     * @return a new location
+     */
+    @NonNull
+    public Location getLocation(@NonNull Node textNode, int begin, int end) {
+        assert textNode.getNodeType() == Node.TEXT_NODE;
+        if (parser != null) {
+            return parser.getLocation(this, textNode, begin, end);
+        }
+
+        return Location.create(file);
+    }
+
+
+    /**
      * Reports an issue applicable to a given DOM node. The DOM node is used as the
      * scope to check for suppress lint annotations.
      *