| 78 | |
| 79 | |
| 80 | std::string truncate(const std::string& s, size_t maxCodepoints) { |
| 81 | if (s.empty() || maxCodepoints == 0) |
| 82 | return ""; |
| 83 | |
| 84 | size_t pos = 0; |
| 85 | for (size_t i = 0; i < maxCodepoints; i++) { |
| 86 | // If remaining bytes are less than remaining codepoints, the string can't possibly be truncated. |
| 87 | if (s.size() - pos <= maxCodepoints - i) |
| 88 | return s; |
| 89 | |
| 90 | pos = UTF8NextCodepoint(s, pos); |
| 91 | // Check if at end |
| 92 | if (pos >= s.size()) |
| 93 | return s; |
| 94 | } |
| 95 | |
| 96 | return s.substr(0, pos); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | std::string truncatePrefix(const std::string& s, size_t maxCodepoints) { |
no test coverage detected