feat(SublimeText2.EditorPackages): cache packages

EthanBrown.SublimeText2.EditorPackages/tools/PackageCache/SmartMarkdown/utilities.py

@@ -0,0 +1,23 @@
+"""Some utility functions for working with sublime.
+"""
+
+
+def text_at_line(view, line_num):
+    """Return the content at line. None if out of boundary."""
+    if line_num < 0:
+        return None
+
+    max_line_num, _ = view.rowcol(view.size())
+    if line_num > max_line_num:
+        return None
+
+    point = view.text_point(line_num, 0)
+    line_region = view.line(point)
+    return view.substr(line_region)
+
+def is_region_void(region):
+    if region == None:
+        return True
+    if region.a == -1 and region.b == -1:
+        return True
+    return False