Add support for the LANGUAGE environment variable

[apt.git] / apt-pkg / contrib / strutl.cc

diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index a991b8988472a7c6c5afe370004b1fe8514e19f6..d3d6e27398f07f3d0ebdd36bfcff62919d084c9e 100644 (file)
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -43,9 +43,10 @@ bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest)
 {
   iconv_t cd;
   const char *inbuf;
-  char *inptr, *outbuf, *outptr;
-  size_t insize, outsize;
-  
+  char *inptr, *outbuf;
+  size_t insize, bufsize;
+  dest->clear();
+
   cd = iconv_open(codeset, "UTF-8");
   if (cd == (iconv_t)(-1)) {
      // Something went wrong
@@ -55,22 +56,49 @@ bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest)
      else
        perror("iconv_open");
      
-     // Clean the destination string
-     *dest = "";
-     
      return false;
   }
 
-  insize = outsize = orig.size();
+  insize = bufsize = orig.size();
   inbuf = orig.data();
   inptr = (char *)inbuf;
-  outbuf = new char[insize+1];
-  outptr = outbuf;
+  outbuf = new char[bufsize];
+  size_t lastError = -1;
 
-  iconv(cd, &inptr, &insize, &outptr, &outsize);
-  *outptr = '\0';
+  while (insize != 0)
+  {
+     char *outptr = outbuf;
+     size_t outsize = bufsize;
+     size_t const err = iconv(cd, &inptr, &insize, &outptr, &outsize);
+     dest->append(outbuf, outptr - outbuf);
+     if (err == (size_t)(-1))
+     {
+       switch (errno)
+       {
+       case EILSEQ:
+          insize--;
+          inptr++;
+          // replace a series of unknown multibytes with a single "?"
+          if (lastError != insize) {
+             lastError = insize - 1;
+             dest->append("?");
+          }
+          break;
+       case EINVAL:
+          insize = 0;
+          break;
+       case E2BIG:
+          if (outptr == outbuf)
+          {
+             bufsize *= 2;
+             delete[] outbuf;
+             outbuf = new char[bufsize];
+          }
+          break;
+       }
+     }
+  }
 
-  *dest = outbuf;
   delete[] outbuf;
   
   iconv_close(cd);
@@ -304,13 +332,13 @@ string SizeToStr(double Size)
    {
       if (ASize < 100 && I != 0)
       {
-         sprintf(S,"%.1f%c",ASize,Ext[I]);
+         sprintf(S,"%'.1f%c",ASize,Ext[I]);
         break;
       }
       
       if (ASize < 10000)
       {
-         sprintf(S,"%.0f%c",ASize,Ext[I]);
+         sprintf(S,"%'.0f%c",ASize,Ext[I]);
         break;
       }
       ASize /= 1000.0;
@@ -972,6 +1000,23 @@ bool TokSplitString(char Tok,char *Input,char **List,
    return true;
 }
                                                                        /*}}}*/
+// ExplodeString - Split a string up into a vector                     /*{{{*/
+// ---------------------------------------------------------------------
+/* This can be used to split a given string up into a vector, so the
+   propose is the same as in the method above and this one is a bit slower
+   also, but the advantage is that we an iteratable vector */
+vector<string> ExplodeString(string const &haystack, char const &split) {
+       string::const_iterator start = haystack.begin();
+       string::const_iterator end = start;
+       vector<string> exploded;
+       do {
+               for (; end != haystack.end() && *end != split; ++end);
+               exploded.push_back(string(start, end));
+               start = end + 1;
+       } while (end != haystack.end() && (++end) != haystack.end());
+       return exploded;
+}
+                                                                       /*}}}*/
 // RegexChoice - Simple regex list/list matcher                                /*{{{*/
 // ---------------------------------------------------------------------
 /* */