Add a split function that does not take an escape and returns StringViews

When an escape character is not present, split can just return sub
strings of the parameter, so we can avoid duplicating the original
string data.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/string.cc b/src/string.cc
index f31ed83f..79da055b 100644
--- a/src/string.cc
+++ b/src/string.cc
@@ -46,6 +46,22 @@ std::vector<String> split(StringView str, char separator, char escape)
     return res;
 }
 
+std::vector<StringView> split(StringView str, char separator)
+{
+    std::vector<StringView> res;
+    auto beg = str.begin();
+    for (auto it = beg; it != str.end(); ++it)
+    {
+        if (*it == separator)
+        {
+            res.emplace_back(beg, it);
+            beg = it + 1;
+        }
+    }
+    res.emplace_back(beg, str.end());
+    return res;
+}
+
 String escape(StringView str, char character, char escape)
 {
     String res;