Address parsing

lib/find.coffee

@@ -0,0 +1,26 @@
+module.exports = {
+  findLines: (lines, pattern) ->
+    # TODO: There's gotta be a better way to do this. Can we use vim-mode's
+    # search or find-and-replace maybe?
+    return (i for line, i in lines when line.match(pattern))
+
+  findNext: (lines, pattern, curLine) ->
+    lines = @findLines(lines, pattern)
+    if lines.length == 0
+      return null
+    more = (i for i in lines when i > curLine)
+    if more.length > 0
+      return more[0]
+    else
+      return lines[0]
+
+  findPrevious: (lines, pattern, curLine) ->
+    lines = @findLines(lines, pattern)
+    if lines.length == 0
+      return null
+    less = (i for i in lines when i < curLine)
+    if less.length > 0
+      return less[0]
+    else
+      return lines[lines.length - 1]
+}