autodoc/source/tools/tkpchars.cxx

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  28
  29 #include <precomp.h>
  30 #include <tools/tkpchars.hxx>
  31
  32 // NOT FULLY DECLARED SERVICES
  33 #include <cosv/bstream.hxx>
  34 #include <cosv/x.hxx>
  35
  36
  37
  38 CharacterSource::CharacterSource()
  39     :   dpSource(new char[2]),
  40         nSourceSize(0),
  41         nCurPos(0),
  42         nLastCut(0),
  43         nLastTokenStart(0),
  44         cCharAtLastCut(0)
  45 {
  46     dpSource[nSourceSize] = NULCH;
  47     dpSource[nSourceSize+1] = NULCH;
  48 }
  49
  50 CharacterSource::~CharacterSource()
  51 {
  52     delete [] dpSource;
  53 }
  54
  55 void
  56 CharacterSource::LoadText(csv::bstream & io_rSource)
  57 {
  58     if (dpSource != 0)
  59         delete [] dpSource;
  60
  61     io_rSource.seek(0, csv::end);
  62     nSourceSize = intt(io_rSource.position());
  63     io_rSource.seek(0);
  64
  65     dpSource = new char[nSourceSize+1];
  66
  67     intt nCount = (intt) io_rSource.read(dpSource,nSourceSize);
  68     if (nCount != nSourceSize)
  69         throw csv::X_Default("IO-Error: Could not load file completely.");
  70
  71     dpSource[nSourceSize] = NULCH;
  72
  73     BeginSource();
  74 }
  75
  76 const char *
  77 CharacterSource::CutToken()
  78 {
  79     dpSource[nLastCut] = cCharAtLastCut;
  80     nLastTokenStart = nLastCut;
  81     nLastCut = CurPos();
  82     cCharAtLastCut = dpSource[nLastCut];
  83     dpSource[nLastCut] = NULCH;
  84
  85     return &dpSource[nLastTokenStart];
  86 }
  87
  88 void
  89 CharacterSource::BeginSource()
  90 {
  91     nCurPos = 0;
  92     nLastCut = 0;
  93     nLastTokenStart = 0;
  94     cCharAtLastCut = dpSource[nLastCut];
  95     dpSource[nLastCut] = NULCH;
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */