From a01a06472c8dcf1c58a8d87e6b93eb709b921d0e Mon Sep 17 00:00:00 2001
From: nvalimak <nvalimak@3cdefd35-fc62-479d-8e8d-bae585ffb9ca>
Date: Tue, 10 Mar 2009 19:10:25 +0000
Subject: [PATCH] Added support for char arrays

git-svn-id: svn+ssh://idea.nguyen.vg/svn/sxsi/trunk/XMLTree@239 3cdefd35-fc62-479d-8e8d-bae585ffb9ca
---
 libcds/src/static_sequence/wt_node_leaf.cpp | 19 +++++++++++++++++++
 libcds/src/static_sequence/wt_node_leaf.h   |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/libcds/src/static_sequence/wt_node_leaf.cpp b/libcds/src/static_sequence/wt_node_leaf.cpp
index d99ea62..02bc9cc 100644
--- a/libcds/src/static_sequence/wt_node_leaf.cpp
+++ b/libcds/src/static_sequence/wt_node_leaf.cpp
@@ -36,6 +36,23 @@ uint wt_node_leaf::rank(uint symbol, uint pos, uint l, wt_coder * c) {
 	return pos;
 }
 
+uint wt_node_leaf::rankLessThan(uint &symbol, uint pos, uint l, wt_coder * c) {
+//    std::cout <<"this-symbol: " << (uchar)this->symbol << ", symbol = " << (uchar)symbol << ", pos = " << pos << std::endl;
+	if(symbol > this->symbol) return -1;
+        symbol = this->symbol;
+	pos++;
+	return pos;
+}
+
+uint wt_node_leaf::rankLessThan(uint &symbol, uint pos) {
+//    std::cout <<"this-symbol: " << (uchar)this->symbol << ", symbol = " << (uchar)symbol << ", pos = " << pos << std::endl;
+    if (pos == -1)
+        return -1;
+    symbol = this->symbol;
+    pos++;
+    return pos;
+}
+
 uint wt_node_leaf::select(uint symbol, uint pos, uint l, wt_coder * c) {
 	if(symbol!=this->symbol) return (uint)-1;
 	if(pos==0 || pos>count) return (uint)-1;
@@ -43,6 +60,8 @@ uint wt_node_leaf::select(uint symbol, uint pos, uint l, wt_coder * c) {
 }
 
 uint wt_node_leaf::access(uint pos) {
+//   std::cout <<"this-symbol: " << (uchar)this->symbol << ", pos = " << pos << std::endl;
+
 	return symbol;
 }
 
diff --git a/libcds/src/static_sequence/wt_node_leaf.h b/libcds/src/static_sequence/wt_node_leaf.h
index b8ff85e..39f02d1 100644
--- a/libcds/src/static_sequence/wt_node_leaf.h
+++ b/libcds/src/static_sequence/wt_node_leaf.h
@@ -36,6 +36,8 @@ class wt_node_leaf: public wt_node {
 		wt_node_leaf(uint symbol, uint count);
 		virtual ~wt_node_leaf();
 		virtual uint rank(uint symbol, uint pos, uint l, wt_coder * c);
+		virtual uint rankLessThan(uint &symbol, uint pos, uint level, wt_coder * c);
+		virtual uint rankLessThan(uint &symbol, uint pos);
 		virtual uint select(uint symbol, uint pos, uint l, wt_coder * c);
 		virtual uint access(uint pos);
 		virtual uint size();
-- 
2.17.1