# HG changeset patch
# User Marko Njezic
# Date 1341910409 -7200
# Node ID 5289c46f7a2573c4ac1a5605fc9eee002dff5aeb
# Parent  28f80b03c96c0a06b575257a4bcd21ab351a2d48
Add removal methods to ease manipulation.

diff -r 28f80b03c96c -r 5289c46f7a25 lexlib/CharacterSet.h
--- a/lexlib/CharacterSet.h Tue Jul 10 16:58:14 2012 +1000
+++ b/lexlib/CharacterSet.h Tue Jul 10 10:53:29 2012 +0200
@@ -16,6 +16,19 @@
    int size;
    bool valueAfter;
    bool *bset;
+   void Change(int val, bool inSet) {
+       assert(val >= 0);
+       assert(val < size);
+       bset[val] = inSet;
+   }
+   void ChangeString(const char *setToChange, bool inSet) {
+       for (const char *cp=setToChange; *cp; cp++) {
+           int val = static_cast<unsigned char>(*cp);
+           assert(val >= 0);
+           assert(val < size);
+           bset[val] = inSet;
+       }
+   }
 public:
    enum setBase {
        setNone=0,
@@ -67,17 +80,16 @@
        return *this;
    }
    void Add(int val) {
-       assert(val >= 0);
-       assert(val < size);
-       bset[val] = true;
+       Change(val, true);
    }
    void AddString(const char *setToAdd) {
-       for (const char *cp=setToAdd; *cp; cp++) {
-           int val = static_cast<unsigned char>(*cp);
-           assert(val >= 0);
-           assert(val < size);
-           bset[val] = true;
-       }
+       ChangeString(setToAdd, true);
+   }
+   void Remove(int val) {
+       Change(val, false);
+   }
+   void RemoveString(const char *setToRemove) {
+       ChangeString(setToRemove, false);
    }
    bool Contains(int val) const {
        assert(val >= 0);