diff options
Diffstat (limited to 'mailnews/extensions/fts3/src/nsFts3Tokenizer.cpp')
-rw-r--r-- | mailnews/extensions/fts3/src/nsFts3Tokenizer.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/mailnews/extensions/fts3/src/nsFts3Tokenizer.cpp b/mailnews/extensions/fts3/src/nsFts3Tokenizer.cpp new file mode 100644 index 000000000..12bd70ead --- /dev/null +++ b/mailnews/extensions/fts3/src/nsFts3Tokenizer.cpp @@ -0,0 +1,72 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsFts3Tokenizer.h" + +#include "nsGlodaRankerFunction.h" + +#include "nsIFts3Tokenizer.h" +#include "mozIStorageConnection.h" +#include "mozIStorageStatement.h" +#include "nsStringGlue.h" + +extern "C" void sqlite3Fts3PorterTokenizerModule( + sqlite3_tokenizer_module const**ppModule); + +extern "C" void glodaRankFunc(sqlite3_context *pCtx, + int nVal, + sqlite3_value **apVal); + +NS_IMPL_ISUPPORTS(nsFts3Tokenizer,nsIFts3Tokenizer) + +nsFts3Tokenizer::nsFts3Tokenizer() +{ +} + +nsFts3Tokenizer::~nsFts3Tokenizer() +{ +} + +NS_IMETHODIMP +nsFts3Tokenizer::RegisterTokenizer(mozIStorageConnection *connection) +{ + nsresult rv; + nsCOMPtr<mozIStorageStatement> selectStatement; + + // -- register the tokenizer + rv = connection->CreateStatement(NS_LITERAL_CSTRING( + "SELECT fts3_tokenizer(?1, ?2)"), + getter_AddRefs(selectStatement)); + NS_ENSURE_SUCCESS(rv, rv); + + const sqlite3_tokenizer_module* module = nullptr; + sqlite3Fts3PorterTokenizerModule(&module); + if (!module) + return NS_ERROR_FAILURE; + + rv = selectStatement->BindUTF8StringParameter( + 0, NS_LITERAL_CSTRING("mozporter")); + NS_ENSURE_SUCCESS(rv, rv); + rv = selectStatement->BindBlobParameter(1, + (uint8_t*)&module, + sizeof(module)); + NS_ENSURE_SUCCESS(rv, rv); + + bool hasMore; + rv = selectStatement->ExecuteStep(&hasMore); + NS_ENSURE_SUCCESS(rv, rv); + + // -- register the ranking function + nsCOMPtr<mozIStorageFunction> func = new nsGlodaRankerFunction(); + NS_ENSURE_TRUE(func, NS_ERROR_OUT_OF_MEMORY); + rv = connection->CreateFunction( + NS_LITERAL_CSTRING("glodaRank"), + -1, // variable argument support + func + ); + NS_ENSURE_SUCCESS(rv, rv); + + return rv; +} |