1 files changed, 24 insertions, 0 deletions
diff --git a/src/mask.cc b/src/mask.cc
new file mode 100644
index 00000000..02cac880
--- /dev/null
+++ b/src/mask.cc
@@ -0,0 +1,24 @@
+#include "mask.h"
+
+namespace ledger {
+
+mask_t::mask_t(const string& pat) : exclude(false)
+{
+  const char * p = pat.c_str();
+
+  if (*p == '-') {
+    exclude = true;
+    p++;
+    while (std::isspace(*p))
+      p++;
+  }
+  else if (*p == '+') {
+    p++;
+    while (std::isspace(*p))
+      p++;
+  }
+
+  expr.assign(p);
+}
+
+} // namespace ledger