GBlockConvertResult GBlockConverter.ConvertGBlock(GrammarBlock sourceGBlock, GBlockConvertListener listener)
{
//only applly to SV or Condition SV
if (!GrammarBlockUtils.HasMetaInfo(sourceGBlock, StdMetaInfos.sv.word) && !GrammarBlockUtils.HasMetaInfo(sourceGBlock, StdMetaInfos.conditionSV.word))
{
return(default(GBlockConvertResult));
}
//search passive be
List <GrammarUnit> passiveVerbList = null;
var originalSubject = sourceGBlock.cluster.blocks[0];
var convertedSubject = listener.subBlockConverter.ConvertGBlock(originalSubject, listener).result;
var originalVerbs = sourceGBlock.cluster.blocks[1];
GrammarBlockUtils.DeepForEachBlockUnit(
originalVerbs,
(mainVerbUnit) => {
if (GrammarBlockUtils.IsUnit(mainVerbUnit, "be"))
{
GrammarBlockUtils.DeepForEachBlockUnit(
mainVerbUnit.modifier,
(contentVerbUnit) => {
if (passiveVerbList == null)
{
passiveVerbList = new List <GrammarUnit>();
}
passiveVerbList.Add(contentVerbUnit);
},
StdMetaInfos.verbalBlock.word
);
}
},
StdMetaInfos.verbalBlock.word
);
//no passive verb found
if (passiveVerbList == null)
{
return(default(GBlockConvertResult));
}
//search normal verbs
#if false
List <GrammarBlock> normalVerbList = null;
GrammarBlockUtils.ForEachUnits(
originalVerbs,
(gUnit) => {
if (GrammarBlockUtils.ShallowSeekByMetaInfo(sourceGBlock.cluster.blocks[1], StdMetaInfos.verbalBlock.word) != null)
{
if (normalVerbList == null)
{
normalVerbList = new List <GrammarBlock>();
}
normalVerbList.Add(gUnit);
}
},
StdMetaInfos.modifierCluster.word
);
#endif
MutableGrammarBlock converted = null;
#region passive only
if (passiveVerbList.Count > 0)
{
var newSVCluster = new StdMutableClusterGBlock {
};
StdMutableClusterGBlock newSV = null;
foreach (var passiveVerb in passiveVerbList)
{
newSV = new StdMutableClusterGBlock {
};
(newSV as MutableClusterGrammarBlock).AddBlock(defaultSubject);
var activizedVerb = listener.subBlockConverter.ConvertGBlock(passiveVerb, listener).result;
activizedVerb.AddModifier(convertedSubject);
(newSV as MutableClusterGrammarBlock).AddBlock(activizedVerb);
(newSVCluster as MutableClusterGrammarBlock).AddBlock(newSV);
(newSV as MutableClusterGrammarBlock).AddMetaInfo(sourceGBlock.metaInfo);
}
if (passiveVerbList.Count == 1)
{
converted = newSV;
GBlockConvertUtility.ApplyModAndMeta(converted, sourceGBlock, listener);
}
else
{
converted = newSVCluster;
var convLis = new MixedGBlockConvertListener {
_baseLisetner = listener,
_metaConverter = new ClusterGBlockConverter {
converters = new List <GBlockConverter> {
new GBlockConverter_Replace {
number = new Dictionary <string, GrammarBlock> {
{ StdMetaInfos.sv.word, StdMetaInfos.sentenceCluster },
{ StdMetaInfos.conditionSV.word, StdMetaInfos.sentenceCluster }
}
},
listener.metaConverter
}
}
};
GBlockConvertUtility.ApplyModAndMeta(converted, sourceGBlock, convLis);
}
}
#endregion
#region no result
if (converted == null)
{
return(default(GBlockConvertResult));
}
return(new GBlockConvertResult(true, converted));
#endregion
}