From 7c5566a616c783377d1e9e8db8eeb81ccae40db6 Mon Sep 17 00:00:00 2001
From: Thomas Fischer <thomas.fischer@ufz.de>
Date: Thu, 26 Sep 2013 10:44:50 +0200
Subject: [PATCH] [FileTools.h] Added readBinaryArray().
---
BaseLib/FileTools.h | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/BaseLib/FileTools.h b/BaseLib/FileTools.h
index b85c56e9c24..90864ecb856 100644
--- a/BaseLib/FileTools.h
+++ b/BaseLib/FileTools.h
@@ -17,6 +17,10 @@
#include <fstream>
#include <string>
+#include <vector>
+
+// ThirdParty/logog
+#include "logog/include/logog.hpp"
namespace BaseLib
{
@@ -66,6 +70,35 @@ T readBinaryValue(std::istream& in)
return v;
}
+template <typename T>
+std::vector<T> readBinaryArray(std::string const& filename, std::size_t const n)
+{
+ std::ifstream in(filename.c_str());
+ if (!in) {
+ ERR("readBinaryArray(): Error while reading from file \"%s\".", filename.c_str());
+ ERR("Could not open file \"%s\" for input.", filename.c_str());
+ in.close();
+ return std::vector<T>();
+ }
+
+ std::vector<T> result;
+ result.reserve(n);
+
+ for (std::size_t p = 0; in && !in.eof() && p < n; ++p)
+ result.push_back(BaseLib::readBinaryValue<T>(in));
+
+ if (result.size() == n)
+ return result;
+
+ ERR("readBinaryArray(): Error while reading from file \"%s\".", filename.c_str());
+ ERR("Read different number of values. Expected %d, got %d.", n, result.size());
+
+ if (!in.eof())
+ ERR("EOF reached.\n");
+
+ return std::vector<T>();
+}
+
/**
* \brief truncate a file
*
--
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