From e6bcf895e116e285b998dd115da452fd6bc41e55 Mon Sep 17 00:00:00 2001
From: Norihiro Watanabe <norihiro.watanabe@ufz.de>
Date: Thu, 25 Oct 2012 23:55:10 +0200
Subject: [PATCH] add some functions to manipulate file paths and to write
files
---
BaseLib/FileTools.h | 82 +++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 80 insertions(+), 2 deletions(-)
diff --git a/BaseLib/FileTools.h b/BaseLib/FileTools.h
index 1020374ad38..831b2ce2893 100644
--- a/BaseLib/FileTools.h
+++ b/BaseLib/FileTools.h
@@ -15,14 +15,15 @@
#ifndef FILETOOLS_H
#define FILETOOLS_H
-// ** INCLUDES **
+#include <string>
+#include <fstream>
#include <sys/stat.h>
namespace BaseLib {
/**
* Returns true if given file exists. From http://www.techbytes.ca/techbyte103.html
*/
-static bool IsFileExisting(std::string strFilename)
+static bool IsFileExisting(const std::string &strFilename)
{
struct stat stFileInfo;
bool blnReturn;
@@ -51,6 +52,83 @@ static bool IsFileExisting(std::string strFilename)
return(blnReturn);
}
+/**
+ * \brief return a directory path
+ */
+static std::string getFileDirecotryPath(const std::string &file_path)
+{
+ std::size_t indexChWin, indexChLinux;
+ indexChWin = indexChLinux = 0;
+ indexChWin = file_path.find_last_of('\\');
+ indexChLinux = file_path.find_last_of('/');
+ //
+ std::string dir_path;
+ if(indexChWin != std::string::npos)
+ dir_path = file_path.substr(0,indexChWin); // + "\\";
+ else if(indexChLinux != std::string::npos)
+ dir_path = file_path.substr(0,indexChLinux); // + "/";
+
+ return dir_path;
+}
+
+/**
+ * \brief return a file base name
+ */
+static std::string getFileBaseName(const std::string &file_path)
+{
+ std::size_t indexChWin, indexChLinux;
+ indexChWin = indexChLinux = 0;
+ indexChWin = file_path.find_last_of('\\');
+ indexChLinux = file_path.find_last_of('/');
+ //
+ std::string dir_path;
+ if(indexChWin != std::string::npos)
+ dir_path = file_path.substr(indexChWin+1, file_path.length());
+ else if(indexChLinux != std::string::npos)
+ dir_path = file_path.substr(indexChLinux+1, file_path.length());
+ else
+ dir_path = file_path;
+
+ return dir_path;
+}
+
+/**
+ * \brief return a file name with or without file extensions
+ */
+static std::string getFileNameFromPath(const std::string &str, bool with_extension)
+{
+ std::string::size_type beg1 = str.find_last_of('/');
+ std::string::size_type beg2 = str.find_last_of('\\');
+ std::string::size_type beg;
+ if (beg1 == std::string::npos && beg2 == std::string::npos) beg = -1;
+ else if (beg1 == std::string::npos) beg = beg2;
+ else if (beg2 == std::string::npos) beg = beg1;
+ else beg = (beg1<beg2) ? beg2 : beg1;
+ std::string file ( str.substr(beg+1) );
+ if (with_extension) return file;
+ // cut extension
+ std::string::size_type end = file.find_last_of('.');
+ return file.substr(0,end);
+}
+
+/**
+ * \brief write value in binary
+ */
+template <typename T> void write_value_binary(std::fstream &fin, T val)
+{
+ fin.write((const char*)&val, sizeof(T));
+}
+
+/**
+ * \brief truncate a file
+ */
+static void truncateFile(const std::string &filename)
+{
+ std::ofstream ofs;
+ ofs.open(filename.c_str(), std::ios_base::trunc);
+ ofs.close();
+}
+
} // end namespace BaseLib
#endif // FILETOOLS_H
--
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