static PT_CharRanges SDFCharRangesToPtCharRanges(SDF_CharRanges sdfCharRanges)
{
PT_CharRanges result = PT_makeCharRangesEmpty();
if (SDF_isCharRangesDefault(sdfCharRanges)) {
SDF_CharRange sdfCharRange = SDF_getCharRangesCharRange(sdfCharRanges);
PT_CharRange ptCharRange = SDFCharRangeToPtCharRange(sdfCharRange);
result = PT_makeCharRangesMany(ptCharRange, result);
}
else if (SDF_isCharRangesConc(sdfCharRanges)) {
SDF_CharRanges sdfLeft = SDF_getCharRangesLeft(sdfCharRanges);
SDF_CharRanges sdfRight = SDF_getCharRangesRight(sdfCharRanges);
PT_CharRanges ptLeft = SDFCharRangesToPtCharRanges(sdfLeft);
PT_CharRanges ptRight = SDFCharRangesToPtCharRanges(sdfRight);
return PT_concatCharRanges(ptLeft, ptRight);
}
else {
ATerror("SDFCharRangesToPtCharRanges: unable to convert %s\n",
PT_yieldTreeToString((PT_Tree) sdfCharRanges, ATfalse));
result = NULL;
}
return result;
}
PT_Symbol makeSymbolAllChars()
{
PT_CharRanges ranges = PT_makeCharRangesList(
PT_makeCharRangeRange(0,255),
PT_makeCharRangesEmpty());
return PT_makeSymbolIterStar(
PT_makeSymbolCharClass(ranges));
}
static PT_CharRanges SDFCharClassToPtCharRanges(SDF_CharClass sdfCharClass)
{
PT_CharRanges result;
if (SDF_isCharClassSimpleCharclass(sdfCharClass)) {
SDF_OptCharRanges sdfOCR = SDF_getCharClassOptCharRanges(sdfCharClass);
if (SDF_isOptCharRangesAbsent(sdfOCR)) {
result = PT_makeCharRangesEmpty();
}
else {
SDF_CharRanges sdfCharRanges = SDF_getOptCharRangesCharRanges(sdfOCR);
result = SDFCharRangesToPtCharRanges(sdfCharRanges);
}
}
else {
ATerror("SDFCharClassToPtCharRanges: unable to convert characterclass: %s\n",
PT_yieldTreeToString((PT_Tree) sdfCharClass, ATfalse));
result = NULL;
}
return result;
}