Initial commit

1 files changed, 60 insertions, 0 deletions

diff --git a/toolsrc/src/vcpkg_Strings.cpp b/toolsrc/src/vcpkg_Strings.cpp
new file mode 100644
index 000000000..b0312536a
--- /dev/null
+++ b/toolsrc/src/vcpkg_Strings.cpp
@@ -0,0 +1,60 @@
+#include "vcpkg_Strings.h"
+
+#include <cstdarg>
+#include <algorithm>
+#include <codecvt>
+#include <iterator>
+
+namespace vcpkg {namespace Strings {namespace details
+{
+    std::string format_internal(const char* fmtstr, ...)
+    {
+        va_list lst;
+        va_start(lst, fmtstr);
+
+        auto sz = _vscprintf(fmtstr, lst);
+        std::string output(sz, '\0');
+        _vsnprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
+        va_end(lst);
+
+        return output;
+    }
+
+    std::wstring format_internal(const wchar_t* fmtstr, ...)
+    {
+        va_list lst;
+        va_start(lst, fmtstr);
+
+        auto sz = _vscwprintf(fmtstr, lst);
+        std::wstring output(sz, '\0');
+        _vsnwprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
+        va_end(lst);
+
+        return output;
+    }
+}}}
+
+namespace vcpkg {namespace Strings
+{
+    std::wstring utf8_to_utf16(const std::string& s)
+    {
+        std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
+        return conversion.from_bytes(s);
+    }
+
+    std::string utf16_to_utf8(const std::wstring& w)
+    {
+        std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
+        return conversion.to_bytes(w);
+    }
+
+    std::string::const_iterator case_insensitive_find(const std::string& s, const std::string& pattern)
+    {
+        std::string patter_as_lower_case;
+        std::transform(pattern.begin(), pattern.end(), back_inserter(patter_as_lower_case), tolower);
+        return search(s.begin(), s.end(), patter_as_lower_case.begin(), patter_as_lower_case.end(), [](const char a, const char b)
+                      {
+                          return (tolower(a) == b);
+                      });
+    }
+}}