From d0a52fb3101c23602f63cd8e68f9e509c49d87a4 Mon Sep 17 00:00:00 2001
From: ilor <kailoran@gmail.com>
Date: Wed, 9 Mar 2011 10:00:45 +0100
Subject: [PATCH] MatchVector first_token and last_token
---
libwccl/values/matchvector.cpp | 30 ++++++++++++++++++++++++------
1 file changed, 24 insertions(+), 6 deletions(-)
diff --git a/libwccl/values/matchvector.cpp b/libwccl/values/matchvector.cpp
index a0f1b3b..668267d 100644
--- a/libwccl/values/matchvector.cpp
+++ b/libwccl/values/matchvector.cpp
@@ -29,16 +29,34 @@ std::string MatchVector::var_repr(const std::string &var_name)
Position MatchVector::first_token() const
{
- Position p;
- // TODO
- return p;
+ if (matches_.empty()) {
+ return Position(Position::Nowhere);
+ } else {
+ Position p = matches_.front()->first_token();
+ for (size_t i = 1; i < matches_.end(); ++i) {
+ Position c = matches_[i]->first_token();
+ if (c.get_value() < p.get_value()) {
+ p = c;
+ }
+ }
+ return p;
+ }
}
Position MatchVector::last_token() const
{
- Position p;
- // TODO
- return p;
+ if (matches_.empty()) {
+ return Position(Position::Nowhere);
+ } else {
+ Position p = matches_.front()->last_token();
+ for (size_t i = 1; i < matches_.end(); ++i) {
+ Position c = matches_[i]->last_token();
+ if (c.get_value() > p.get_value()) {
+ p = c;
+ }
+ }
+ return p;
+ }
}
bool MatchVector::empty() const
--
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