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/*  Project nGenEx
    Destroyer Studios LLC
    Copyright © 1997-2006. All Rights Reserved.

    SUBSYSTEM:    nGenEx.lib
    FILE:         ContentBundle.cpp
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Chained collection of localized strings
*/

#include "MemDebug.h"
#include "ContentBundle.h"
#include "DataLoader.h"

void  Print(const char* fmt, ...);

// +--------------------------------------------------------------------+

ContentBundle::ContentBundle(const char* bundle, Locale* locale)
{
   Text file = FindFile(bundle, locale);
   if (file.length() > 0) {
      LoadBundle(file);
   }
}

// +--------------------------------------------------------------------+

ContentBundle::~ContentBundle()
{
}

// +--------------------------------------------------------------------+

Text
ContentBundle::GetText(const char* key) const
{
   return values.find(key, Text(key));
}

// +--------------------------------------------------------------------+

Text
ContentBundle::FindFile(const char* bundle, Locale* locale)
{
   Text        result;
   Text        basename = Text(bundle);
   DataLoader* loader = DataLoader::GetLoader();

   if (loader && bundle) {
      if (locale) {
         result = basename + locale->GetFullCode() + ".txt";

         if (loader->FindFile(result))
            return result;

         result = basename + "_" + locale->GetLanguage() + ".txt";

         if (loader->FindFile(result))
            return result;
      }

      result = basename + ".txt";

      if (loader->FindFile(result))
         return result;
   }

   return Text();
}

// +--------------------------------------------------------------------+

void
ContentBundle::LoadBundle(const char* filename)
{
   DataLoader* loader = DataLoader::GetLoader();
   if (loader && filename && *filename) {
      BYTE* buffer = 0;
      loader->LoadBuffer(filename, buffer, true, true);
      if (buffer && *buffer) {
         char  key[1024];
         char  val[2048];
         char* p = (char*) buffer;
         int   s = 0, ik = 0, iv = 0;

         key[0] = 0;
         val[0] = 0;

         while (*p) {
            if (*p == '=') {
               s = 1;
            }
            else if (*p == '\n' || *p == '\r') {
               if (key[0] && val[0])
                  values.insert(Text(key).trim(), Text(val).trim());

               ZeroMemory(key, 1024);
               ZeroMemory(val, 2048);
               s   = 0;
               ik  = 0;
               iv  = 0;
            }
            else if (s == 0) {
               if (!key[0]) {
                  if (*p == '#') {
                     s = -1; // comment
                  }
                  else if (!isspace(*p)) {
                     key[ik++] = *p;
                  }
               }
               else {
                  key[ik++] = *p;
               }
            }
            else if (s == 1) {
               if (!isspace(*p)) {
                  s = 2;
                  val[iv++] = *p;
               }
            }
            else if (s == 2) {
               val[iv++] = *p;
            }

            p++;
         }

         loader->ReleaseBuffer(buffer);
      }
   }
}