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-rw-r--r--3rdparty/clucene/src/CLucene/util/fileinputstream.cpp103
1 files changed, 103 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/util/fileinputstream.cpp b/3rdparty/clucene/src/CLucene/util/fileinputstream.cpp
new file mode 100644
index 000000000..9125d8478
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/util/fileinputstream.cpp
@@ -0,0 +1,103 @@
+/*------------------------------------------------------------------------------
+* Copyright (C) 2003-2006 Jos van den Oever
+*
+* Distributable under the terms of either the Apache License (Version 2.0) or
+* the GNU Lesser General Public License, as specified in the COPYING file.
+------------------------------------------------------------------------------*/
+/* This file is part of Strigi Desktop Search
+ *
+ * Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#include "jstreamsconfig.h"
+#include "fileinputstream.h"
+
+#ifndef UNDER_CE
+#include <cerrno>
+#endif
+#include <cstring>
+namespace jstreams {
+
+const int32_t FileInputStream::defaultBufferSize = 1048576;
+FileInputStream::FileInputStream(const char *filepath, int32_t buffersize) {
+ // try to open the file for reading
+ file = fopen(filepath, "rb");
+ this->filepath = filepath;
+ if (file == 0) {
+ // handle error
+ error = "Could not read file '";
+ error += filepath;
+ error += "': ";
+#ifndef UNDER_CE
+ error += strerror(errno);
+#endif
+ status = Error;
+ return;
+ }
+ // determine file size. if the stream is not seekable, the size will be -1
+ fseek(file, 0, SEEK_END);
+ size = ftell(file);
+ fseek(file, 0, SEEK_SET);
+
+ // if the file has size 0, make sure that it's really empty
+ // this is useful for filesystems like /proc that report files as size 0
+ // for files that do contain content
+ if (size == 0) {
+ char dummy[1];
+ size_t n = fread(dummy, 1, 1, file);
+ if (n == 1) {
+ size = -1;
+ fseek(file, 0, SEEK_SET);
+ } else {
+ fclose(file);
+ file = 0;
+ return;
+ }
+ }
+
+ // allocate memory in the buffer
+ int32_t bufsize = (size <= buffersize) ?size+1 :buffersize;
+ mark(bufsize);
+}
+FileInputStream::~FileInputStream() {
+ if (file) {
+ if (fclose(file)) {
+ // handle error
+ error = "Could not close file '" + filepath + "'.";
+ }
+ }
+}
+int32_t
+FileInputStream::fillBuffer(char* start, int32_t space) {
+ if (file == 0) return -1;
+ // read into the buffer
+ int32_t nwritten = fread(start, 1, space, file);
+ // check the file stream status
+ if (ferror(file)) {
+ error = "Could not read from file '" + filepath + "'.";
+ fclose(file);
+ file = 0;
+ status = Error;
+ return -1;
+ }
+ if (feof(file)) {
+ fclose(file);
+ file = 0;
+ }
+ return nwritten;
+}
+}