spring cleaning

1 files changed, 47 insertions, 0 deletions

diff --git a/src/util.hh b/src/util.hh
new file mode 100644
index 0000000..93ea320
--- /dev/null
+++ b/src/util.hh
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <string>
+
+#include "types.hh"
+
+using namespace std;
+
+
+namespace util {
+
+inline string
+json_escape(const string& s)
+{
+  ostringstream os;
+  for (auto it = s.cbegin(); it != s.cend(); it++) {
+    switch (*it) {
+      case '"':  os << "\\\""; break;
+      case '\\': os << "\\\\"; break;
+      case '\b': os << "\\b";  break;
+      case '\f': os << "\\f";  break;
+      case '\n': os << "\\n";  break;
+      case '\r': os << "\\r";  break;
+      case '\t': os << "\\t";  break;
+      default:   os << *it;    break;
+    }
+  }
+
+  return os.str();
+}
+
+inline vector<symbol_t>
+tokenize(string s)
+{
+  istringstream ss(s);
+  vector<symbol_t> r;
+  while (ss.good()) {
+    string buf;
+    ss >> buf;
+    r.push_back(buf);
+  }
+
+  return r;
+}
+
+} // namespace util
+