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+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2013 Peter Powell <petpow@saberuk.com>
+ *
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program 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 General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#pragma once
+
+/** Provides an easy method of reading a text file into memory. */
+class CoreExport FileReader
+{
+ /** The lines of text in the file. */
+ std::vector<std::string> lines;
+
+ /** File size in bytes. */
+ unsigned long totalSize;
+
+ public:
+ /** Initializes a new file reader. */
+ FileReader() : totalSize(0) { }
+
+ /** Initializes a new file reader and reads the specified file.
+ * @param filename The file to read into memory.
+ */
+ FileReader(const std::string& filename);
+
+ /** Loads a text file from disk.
+ * @param filename The file to read into memory.
+ * @throw CoreException The file can not be loaded.
+ */
+ void Load(const std::string& filename);
+
+ /** Retrieves the entire contents of the file cache as a single string. */
+ std::string GetString() const;
+
+ /** Retrieves the entire contents of the file cache as a vector of strings. */
+ const std::vector<std::string>& GetVector() const { return lines; }
+
+ /** Retrieves the total size in bytes of the file. */
+ unsigned long TotalSize() const { return totalSize; }
+};
+
+/** Implements methods for file system access */
+class CoreExport FileSystem
+{
+private:
+ FileSystem() { }
+
+public:
+ /** Expands a path fragment to a full path.
+ * @param base The base path to expand from
+ * @param fragment The path fragment to expand on top of base.
+ */
+ static std::string ExpandPath(const std::string& base, const std::string& fragment);
+
+ /**
+ * Checks whether a file with the specified name exists on the filesystem.
+ * @param path The path to a file.
+ * @return True if the file exists; otherwise, false.
+ */
+ static bool FileExists(const std::string& path);
+
+ /** Gets the file name segment of a path.
+ * @param path The path to extract the file name from.
+ * @return The file name segment of a path.
+ */
+ static std::string GetFileName(const std::string& path);
+
+ /** Determines whether the given path starts with a Windows drive letter.
+ * @param path The path to validate.
+ * @returns True if the path begins with a Windows drive letter; otherwise, false.
+ */
+ static bool StartsWithWindowsDriveLetter(const std::string& path);
+};