diff options
Diffstat (limited to 'src/mbgl/util/token.hpp')
| -rw-r--r-- | src/mbgl/util/token.hpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/mbgl/util/token.hpp b/src/mbgl/util/token.hpp index 149661e47e..dea12f9412 100644 --- a/src/mbgl/util/token.hpp +++ b/src/mbgl/util/token.hpp @@ -1,5 +1,7 @@ #pragma once +#include <mbgl/util/optional.hpp> + #include <map> #include <string> #include <algorithm> @@ -25,7 +27,14 @@ std::string replaceTokens(const std::string &source, const Lookup &lookup) { if (pos != end) { for (brace++; brace != end && tokenReservedChars.find(*brace) == std::string::npos; brace++); if (brace != end && *brace == '}') { - result.append(lookup({ pos + 1, brace })); + std::string key { pos + 1, brace }; + if (optional<std::string> replacement = lookup(key)) { + result.append(*replacement); + } else { + result.append("{"); + result.append(key); + result.append("}"); + } pos = brace + 1; } else { result.append(pos, brace); |