intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 23 insertions, 0 deletions

diff --git a/util/string/strip.cpp b/util/string/strip.cpp
new file mode 100644
index 00000000000..c921571cf06
--- /dev/null
+++ b/util/string/strip.cpp
@@ -0,0 +1,23 @@
+#include "strip.h"
+#include "ascii.h"
+
+#include <util/string/reverse.h>
+
+bool Collapse(const TString& from, TString& to, size_t maxLen) {
+    return CollapseImpl<TString, bool (*)(unsigned char)>(from, to, maxLen, IsAsciiSpace);
+}
+
+void CollapseText(const TString& from, TString& to, size_t maxLen) {
+    Collapse(from, to, maxLen);
+    StripInPlace(to);
+    if (to.size() >= maxLen) {
+        to.remove(maxLen - 5); // " ..."
+        ReverseInPlace(to);
+        size_t pos = to.find_first_of(" .,;");
+        if (pos != TString::npos && pos < 32) {
+            to.remove(0, pos + 1);
+        }
+        ReverseInPlace(to);
+        to.append(" ...");
+    }
+}