intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 42 insertions, 0 deletions

diff --git a/library/cpp/charset/ci_string.cpp b/library/cpp/charset/ci_string.cpp
new file mode 100644
index 0000000000..634b05ec68
--- /dev/null
+++ b/library/cpp/charset/ci_string.cpp
@@ -0,0 +1,42 @@
+#include "ci_string.h"
+#include "wide.h"
+
+int TCiString::compare(const TCiString& s1, const TCiString& s2, const CodePage& cp) {
+    return cp.stricmp(s1.data(), s2.data());
+}
+
+int TCiString::compare(const char* p, const TCiString& s2, const CodePage& cp) {
+    return cp.stricmp(p, s2.data());
+}
+
+int TCiString::compare(const TCiString& s1, const char* p, const CodePage& cp) {
+    return cp.stricmp(s1.data(), p);
+}
+
+int TCiString::compare(const TStringBuf& p1, const TStringBuf& p2, const CodePage& cp) {
+    int rv = cp.strnicmp(p1.data(), p2.data(), Min(p1.size(), p2.size()));
+    return rv ? rv : p1.size() < p2.size() ? -1 : p1.size() == p2.size() ? 0 : 1;
+}
+
+bool TCiString::is_prefix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp) {
+    size_t len = what.size();
+    return len <= of.size() && cp.strnicmp(what.data(), of.data(), len) == 0;
+}
+
+bool TCiString::is_suffix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp) {
+    size_t len = what.size();
+    size_t slen = of.size();
+    return (len <= slen) && (0 == cp.strnicmp(what.data(), of.data() + slen - len, len));
+}
+
+size_t TCiString::hashVal(const char* s, size_t len, const CodePage& cp) {
+    size_t h = len;
+    for (; /* (*s) && */ len--; ++s)
+        h = 5 * h + cp.ToLower(*s);
+    return h;
+}
+
+template <>
+void Out<TCiString>(IOutputStream& o, const TCiString& p) {
+    o.Write(p.data(), p.size());
+}