Added isNamespacedIdentifier method to Utils

2 files changed, 35 insertions, 1 deletions

diff --git a/src/core/common/Utils.cpp b/src/core/common/Utils.cpp
index 3739c61..fc8ee00 100644
--- a/src/core/common/Utils.cpp
+++ b/src/core/common/Utils.cpp
@@ -40,6 +40,21 @@ bool Utils::isIdentifier(const std::string &name)
 	return true;
 }
 
+bool Utils::isNamespaceIdentifier(const std::string &name)
+{
+	bool first = true;
+	for (char c : name) {
+		if (first && !isIdentifierStartCharacter(c)) {
+			return false;
+		}
+		if (!first && (!isIdentifierCharacter(c) || c == ':')) {
+			return false;
+		}
+		first = (c == ':');
+	}
+	return true;
+}
+
 bool Utils::hasNonWhitepaceChar(const std::string &s)
 {
 	for (char c : s) {
diff --git a/src/core/common/Utils.hpp b/src/core/common/Utils.hpp
index 8361973..b5cd178 100644
--- a/src/core/common/Utils.hpp
+++ b/src/core/common/Utils.hpp
@@ -74,11 +74,30 @@ public:
 	}
 
 	/**
-	 * Returns true if the given character is in [A-Za-z][A-Za-z0-9_-]*
+	 * Returns true if the given string is in
+	 * \code{.txt}
+	 * [A-Za-z][A-Za-z0-9_-]*
+	 * \endCode
+	 *
+	 * @param name is the string that should be tested.
+	 * @return true if the string matches the regular expression given above, 
+	 * false otherwise.
 	 */
 	static bool isIdentifier(const std::string &name);
 
 	/**
+	 * Returns true if the given string is in
+	 * \code{.txt}
+	 * ([A-Za-z][A-Za-z0-9_-]*)(:[A-Za-z][A-Za-z0-9_-]*)*
+	 * \endCode
+	 *
+	 * @param name is the string that should be tested.
+	 * @return true if the string matches the regular expression given above, 
+	 * false otherwise.
+	 */
+	static bool isNamespacedIdentifier(const std::string &name);
+
+	/**
 	 * Returns true if the given character is a linebreak character.
 	 */
 	static bool isLinebreak(const char c) { return (c == '\n') || (c == '\r'); }