From 4db8dcbf3395fd92b1348155142b85df5a754289 Mon Sep 17 00:00:00 2001
From: Henning Baldersheim <balder@yahoo-inc.com>
Date: Sun, 15 May 2022 00:41:35 +0200
Subject: Revert "Revert "Collapse vsm into streamingvisitors""

---
 .../src/vespa/vsm/searcher/strchrfieldsearcher.cpp | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 streamingvisitors/src/vespa/vsm/searcher/strchrfieldsearcher.cpp

(limited to 'streamingvisitors/src/vespa/vsm/searcher/strchrfieldsearcher.cpp')

diff --git a/streamingvisitors/src/vespa/vsm/searcher/strchrfieldsearcher.cpp b/streamingvisitors/src/vespa/vsm/searcher/strchrfieldsearcher.cpp
new file mode 100644
index 00000000000..1c4ff78ff4a
--- /dev/null
+++ b/streamingvisitors/src/vespa/vsm/searcher/strchrfieldsearcher.cpp
@@ -0,0 +1,56 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include "strchrfieldsearcher.h"
+#include <vespa/document/fieldvalue/stringfieldvalue.h>
+
+using search::streaming::QueryTerm;
+using search::streaming::QueryTermList;
+
+namespace vsm {
+
+void StrChrFieldSearcher::prepare(QueryTermList & qtl, const SharedSearcherBuf & buf)
+{
+  FieldSearcher::prepare(qtl, buf);
+}
+
+void StrChrFieldSearcher::onValue(const document::FieldValue & fv)
+{
+    const document::LiteralFieldValueB & sfv = static_cast<const document::LiteralFieldValueB &>(fv);
+    vespalib::stringref val = sfv.getValueRef();
+    FieldRef fr(val.data(), std::min(maxFieldLength(), val.size()));
+    matchDoc(fr);
+}
+
+bool StrChrFieldSearcher::matchDoc(const FieldRef & fieldRef)
+{
+  bool retval(true);
+  if (_qtl.size() > 1) {
+    size_t mintsz = shortestTerm();
+    if (fieldRef.size() >= mintsz) {
+      _words += matchTerms(fieldRef, mintsz);
+    } else {
+      _words += countWords(fieldRef);
+    }
+  } else {
+    for(QueryTermList::iterator it=_qtl.begin(), mt=_qtl.end(); it != mt; it++) {
+      QueryTerm & qt = **it;
+      if (fieldRef.size() >= qt.termLen()) {
+        _words += matchTerm(fieldRef, qt);
+      } else {
+        _words += countWords(fieldRef);
+      }
+    }
+  }
+  return retval;
+}
+
+size_t StrChrFieldSearcher::shortestTerm() const
+{
+  size_t mintsz(_qtl.front()->termLen());
+  for(QueryTermList::const_iterator it=_qtl.begin()+1, mt=_qtl.end(); it != mt; it++) {
+    const QueryTerm & qt = **it;
+    mintsz = std::min(mintsz, qt.termLen());
+  }
+  return mintsz;
+}
+
+}
-- 
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