20060303a

1 files changed, 28 insertions, 0 deletions

diff --git a/appl/lib/strinttab.b b/appl/lib/strinttab.b
new file mode 100644
index 00000000..a96d0f57
--- /dev/null
+++ b/appl/lib/strinttab.b
@@ -0,0 +1,28 @@
+implement StringIntTab;
+
+include "strinttab.m";
+
+lookup(t: array of StringInt, key: string) : (int, int)
+{
+	min := 0;
+	max := len t-1;
+	while(min <= max){
+		try := (min+max)/2;
+		if(t[try].key < key)
+			min = try+1;
+		else if(t[try].key > key)
+			max = try-1;
+		else
+			return (1, t[try].val);
+	}
+	return (0, 0);
+}
+
+revlookup(t: array of StringInt, val: int) : string
+{
+	n := len t;
+	for(i:=0; i < n; i++)
+		if(t[i].val == val)
+			return t[i].key;
+	return nil;
+}