From 61377c582e0f2675baa5f5e6e30a35d1a4164b33 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 1 May 2017 16:08:43 +0300
Subject: Add hxx extension for headers and lib prefix for library dir

---
 libbutl/utility.ixx | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 libbutl/utility.ixx

(limited to 'libbutl/utility.ixx')

diff --git a/libbutl/utility.ixx b/libbutl/utility.ixx
new file mode 100644
index 0000000..e45a729
--- /dev/null
+++ b/libbutl/utility.ixx
@@ -0,0 +1,136 @@
+// file      : libbutl/utility.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef _WIN32
+#  include <strings.h> // strcasecmp(), strncasecmp()
+#else
+#  include <string.h> // _stricmp(), _strnicmp()
+#endif
+
+#include <cctype> // toupper(), tolower(), isalpha(), isdigit(), isalnum()
+
+namespace butl
+{
+  inline char
+  ucase (char c)
+  {
+    return std::toupper (c);
+  }
+
+  inline void
+  ucase (char* s, std::size_t n)
+  {
+    for (const char* e (s + n); s != e; ++s)
+      *s = ucase (*s);
+  }
+
+  inline std::string&
+  ucase (std::string& s)
+  {
+    if (size_t n = s.size ())
+    {
+      s.front () = s.front (); // Force copy in CoW.
+      ucase (const_cast<char*> (s.data ()), n);
+    }
+    return s;
+  }
+
+  inline std::string
+  ucase (const char* s, std::size_t n)
+  {
+    std::string r (s, n == std::string::npos ? std::strlen (s) : n);
+    return ucase (r);
+  }
+
+  inline std::string
+  ucase (const std::string& s)
+  {
+    return ucase (s.c_str (), s.size ());
+  }
+
+  inline char
+  lcase (char c)
+  {
+    return std::tolower (c);
+  }
+
+  inline void
+  lcase (char* s, std::size_t n)
+  {
+    for (const char* e (s + n); s != e; ++s)
+      *s = lcase (*s);
+  }
+
+  inline std::string&
+  lcase (std::string& s)
+  {
+    if (size_t n = s.size ())
+    {
+      s.front () = s.front (); // Force copy in CoW.
+      lcase (const_cast<char*> (s.data ()), n);
+    }
+    return s;
+  }
+
+  inline std::string
+  lcase (const char* s, std::size_t n)
+  {
+    std::string r (s, n == std::string::npos ? std::strlen (s) : n);
+    return lcase (r);
+  }
+
+  inline std::string
+  lcase (const std::string& s)
+  {
+    return lcase (s.c_str (), s.size ());
+  }
+
+  inline int
+  casecmp (char l, char r)
+  {
+    l = lcase (l);
+    r = lcase (r);
+    return l < r ? -1 : (l > r ? 1 : 0);
+  }
+
+  inline int
+  casecmp (const char* l, const char* r, std::size_t n)
+  {
+#ifndef _WIN32
+    return n == std::string::npos ? strcasecmp (l, r) : strncasecmp (l, r, n);
+#else
+    return n == std::string::npos ? _stricmp (l, r) : _strnicmp (l, r, n);
+#endif
+  }
+
+  inline int
+  casecmp (const std::string& l, const std::string& r, std::size_t n)
+  {
+    return casecmp (l.c_str (), r.c_str (), n);
+  }
+
+  inline int
+  casecmp (const std::string& l, const char* r, std::size_t n)
+  {
+    return casecmp (l.c_str (), r, n);
+  }
+
+  inline bool
+  alpha (char c)
+  {
+    return std::isalpha (c);
+  }
+
+  inline bool
+  digit (char c)
+  {
+    return std::isdigit (c);
+  }
+
+  inline bool
+  alnum (char c)
+  {
+    return std::isalnum (c);
+  }
+}
-- 
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