From dbf59a218edd684f93f9cf74cdddd6bebefe15e7 Mon Sep 17 00:00:00 2001
From: Andreas Stöckel <astoecke@techfak.uni-bielefeld.de>
Date: Fri, 16 Jan 2015 00:42:45 +0100
Subject: Added Utils::split function for splitting strings at a delimiter

---
 src/core/common/Utils.cpp | 19 +++++++++++++++++++
 src/core/common/Utils.hpp | 11 +++++++++++
 2 files changed, 30 insertions(+)

(limited to 'src/core/common')

diff --git a/src/core/common/Utils.cpp b/src/core/common/Utils.cpp
index 5eaafe9..5fde29c 100644
--- a/src/core/common/Utils.cpp
+++ b/src/core/common/Utils.cpp
@@ -55,5 +55,24 @@ bool Utils::isIdentifier(const std::string &name)
 	}
 	return true;
 }
+
+std::vector<std::string> Utils::split(const std::string &s, char delim)
+{
+	std::vector<std::string> res;
+	const size_t totalLen = s.size();
+	size_t start = 0;
+	size_t len = 0;
+	for (size_t i = 0; i <= totalLen; i++) {
+		if (i == totalLen || s[i] == delim) {
+			res.push_back(s.substr(start, len));
+			start = i + 1;
+			len = 0;
+		} else {
+			len++;
+		}
+	}
+	return res;
+}
+
 }
 
diff --git a/src/core/common/Utils.hpp b/src/core/common/Utils.hpp
index 5332b50..1f7f142 100644
--- a/src/core/common/Utils.hpp
+++ b/src/core/common/Utils.hpp
@@ -21,6 +21,7 @@
 
 #include <sstream>
 #include <string>
+#include <vector>
 
 namespace ousia {
 
@@ -103,6 +104,16 @@ public:
 		res << end;
 		return res.str();
 	}
+
+	/**
+	 * Splits the given string at the delimiter and returns an array of
+	 * substrings without the delimiter.
+	 *
+	 * @param s is the string that should be splitted.
+	 * @param delim is the delimiter at which the string should be splitted.
+	 * @return a vector of strings containing the splitted sub-strings.
+	 */
+	static std::vector<std::string> split(const std::string &s, char delim);
 };
 }
 
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