Move hiliteMatches into a separate header

This is mostly so that we don't #include <regex> everywhere (which
adds quite a bit of compilation time).

1 files changed, 0 insertions, 46 deletions

diff --git a/src/libutil/fmt.cc b/src/libutil/fmt.cc
deleted file mode 100644
index 3dd93d73e..000000000
--- a/src/libutil/fmt.cc
+++ /dev/null
@@ -1,46 +0,0 @@
-#include "fmt.hh"
-
-#include <regex>
-
-namespace nix {
-
-std::string hiliteMatches(
-    std::string_view s,
-    std::vector<std::smatch> matches,
-    std::string_view prefix,
-    std::string_view postfix)
-{
-    // Avoid copy on zero matches
-    if (matches.size() == 0)
-        return (std::string) s;
-
-    std::sort(matches.begin(), matches.end(), [](const auto & a, const auto & b) {
-        return a.position() < b.position();
-    });
-
-    std::string out;
-    ssize_t last_end = 0;
-
-    for (auto it = matches.begin(); it != matches.end();) {
-        auto m = *it;
-        size_t start = m.position();
-        out.append(s.substr(last_end, m.position() - last_end));
-        // Merge continous matches
-        ssize_t end = start + m.length();
-        while (++it != matches.end() && (*it).position() <= end) {
-            auto n = *it;
-            ssize_t nend = start + (n.position() - start + n.length());
-            if (nend > end)
-                end = nend;
-        }
-        out.append(prefix);
-        out.append(s.substr(start, end - start));
-        out.append(postfix);
-        last_end = end;
-    }
-
-    out.append(s.substr(last_end));
-    return out;
-}
-
-}