OW_GenCaseFoldingCompareTests.cpp

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#include "OW_String.hpp"
#include "OW_Array.hpp"
#include "OW_StringStream.hpp"
#include "OW_UTF8Utils.hpp"
#include <fstream>
#include <iostream>
#include <assert.h>

using namespace std;
using namespace OpenWBEM;

StringArray sa1;
StringArray sa2;

void printStrings(const String& str1, const String& str2)
{
   cout << "\tunitAssert(UTF8Utils::compareToIgnoreCase(\"";
   for (int i = 0; i < str1.length(); ++i)
   {
      cout << hex << "\\x" << (int)(unsigned char)str1[i];
   }
   cout << "\", \"";
   for (int i = 0; i < str2.length(); ++i)
   {
      cout << hex << "\\x" << (int)(unsigned char)str2[i];
   }
   cout << "\") == 0)\n";
}



struct processLine
{
   void operator()(const String& s) const
   {
      if (s.empty() || !isxdigit(s[0]))
         return;

      StringArray a = s.tokenize(";"); // split up fields
      assert(a.size() >= 3);
      UInt32 c1 = a[0].toUInt32(16);
      StringArray a2 = a[2].tokenize(" "); // split up chars are separated by spaces
      Array<UInt32> c2chars(a2.size());
      for (size_t i = 0; i < a2.size(); ++i)
      {
         c2chars[i] = a2[i].toUInt32(16);
      }
      String str1 = UTF8Utils::UCS4toUTF8(c1);
      String str2;
      for (size_t i = 0; i < c2chars.size(); ++i)
      {
         str2 += UTF8Utils::UCS4toUTF8(c2chars[i]);
      }

      sa1.push_back(str1);
      sa2.push_back(str2);
      sa1.push_back(str2);
      sa2.push_back(str1);
   }
};

int main(int argc, char** argv)
{
   if (argc != 2)
   {
      cerr << "must pass filename (to CaseFolding.txt)" << endl;
      return 1;
   }

   ifstream in(argv[1]);
   if (!in)
   {
      cerr << "could not open " << argv[1] << endl;
      return 1;
   }

   // add transitions for equal matches
   for (int i = 1; i < 256; ++i)
   {
      String s = String(char(i));
      sa1.push_back(s);
      sa2.push_back(s);
   }

   // read in a process the input file
   OStringStream ss;
   ss << in.rdbuf();
   String s = ss.toString();
   StringArray sa = s.tokenize("\n");
   for_each(sa.begin(), sa.end(), processLine());
   // do 1-1 comparisons
   for (int i = 0; i < sa1.size(); ++i)
   {
      printStrings(sa1[i], sa2[i]);
   }
   // do 10-10 comparisons
   for (int i = 0; i < sa1.size();)
   {
      String s1, s2;
      for (int j = 0; j < 10 && i < sa1.size(); ++j, ++i)
      {
         s1 += sa1[i];
         s2 += sa2[i];
      }
      printStrings(s1, s2);
   }
}

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