public void ClearEmpty(AnalyzeBlock root)
{
foreach (var unit in root.ResetElements())
{
if (unit.IsEmpty)
{
continue;
}
var block = unit as AnalyzeBlock;
if (block != null)
{
block.Parent = root;
ClearEmpty(block);
if (block.Elements.Count == 0)
{
continue;
}
block.Release();
root.Append(block.Elements.Count == 1 ? block.Elements[0] : unit);
}
else
{
root.Append(unit);
}
}
}
private static void LinkBarket(AnalyzeBlock root)
{
AnalyzeUnitBase pre = null;
AnalyzeBlock cur = null;
// CodeItemType pretype = CodeItemType.None;
foreach (var unit in root.ResetElements())
{
var block = unit as AnalyzeBlock;
if (block == null)
{
var word = (WordUnit)unit;
pre = word.IsPunctuate || word.IsKeyWord ? null : unit;
root.Append(unit);
//pretype = CodeItemType.None;
continue;
}
LinkBarket(block);
switch (block.ItemType)
{
case CodeItemType.Brackets21:
//case CodeItemType.Brackets31:
//if (pretype == CodeItemType.None || cur == null)
{
if (pre == null)
{
root.Append(unit);
break;
}
if (pre != cur)
{
cur?.Release();
cur = new AnalyzeBlock();
var wd = pre as WordUnit;
cur.Primary = wd ?? ((AnalyzeBlock)pre).Primary;
root.Elements.Remove(pre);
cur.Elements.Add(pre);
cur.ItemRace = CodeItemRace.Value;
cur.ItemFamily = CodeItemFamily.ValueSentence;
cur.ItemType = CodeItemType.Brackets21 == block.ItemType
? CodeItemType.Call
: CodeItemType.Table_Child;
root.Elements.Add(cur);
pre = cur;
}
unit.Name = "_call_";
cur.Elements.Add(unit);
}
//root.Elements.Add(block);
//pretype = block.ItemType;
continue;
}
root.Append(unit);
pre = unit;
}
cur?.Release();
}
/// <summary>
/// 分级组合
/// 0 括号块组合(不使用此方法)
/// 1 .;单词粘连组合
/// 2 一元操作符组合(not # -)
/// 3 串联组合(.. ^)
/// 4 乘除余指数(* / %)
/// 5 加减(+ -)
/// 6 比较(== ~大小于)
/// 7 逻辑(and)
/// 8 逻辑(or)
/// 9 赋值(=)
/// </summary>
/// <param name="root"></param>
/// <param name="level"></param>
/// <returns></returns>
public void MergeSimpleBlock(AnalyzeBlock root, int level)
{
AnalyzeUnitBase preUnit = null;
var joinNext = false;
var array = root.Elements.ToArray();
root.Elements.Clear();
foreach (var unit in array)
{
if (unit.IsEmpty)
{
continue;
}
if (unit.IsContent)
{
root.Append(unit);
joinNext = false;
preUnit = null;
continue;
}
var block = unit as AnalyzeBlock;
if (block != null)
{
if (!unit.IsLock && !unit.IsUnit)
{
MergeSimpleBlock(block, level);
}
if (!joinNext)
{
root.Append(block);
preUnit = block;
}
else
{
((AnalyzeBlock)preUnit).Append(block);
joinNext = false;
}
continue;
}
var word = (WordUnit)unit;
if (word.JoinLevel == level)
{
switch (word.JoinFeature)
{
case JoinFeature.Front:
var newBlock = new AnalyzeBlock
{
Primary = word
};
root.Append(newBlock);
newBlock.Append(unit);
preUnit = newBlock;
joinNext = true;
continue;
case JoinFeature.TowWay:
newBlock = new AnalyzeBlock
{
Primary = word
};
if (preUnit == null)
{
newBlock.IsError = true;
}
else
{
root.Elements.Remove(preUnit);
newBlock.Append(preUnit);
}
root.Append(newBlock);
newBlock.Append(unit);
preUnit = newBlock;
joinNext = true;
continue;
}
}
if (!joinNext)
{
root.Append(word);
if (!word.IsSpace && unit.ItemRace != CodeItemRace.Assist)
{
preUnit = level <= 6 && unit.ItemRace == CodeItemRace.Range ? null : word;
}
continue;
}
if (word.Char == ';')//终止符号出错
{
((AnalyzeBlock)preUnit).IsError = true;
joinNext = false;
preUnit = null;
continue;
}
((AnalyzeBlock)preUnit).Append(unit);
if (word.IsSpace || unit.ItemRace == CodeItemRace.Assist)
{
continue;
}
if (level < 6)
{
preUnit.IsError = unit.ItemRace == CodeItemRace.Range;
}
joinNext = false;
}
}
/// <summary>
/// 串联
/// </summary>
/// <param name="root"></param>
/// <param name="level"></param>
/// <returns></returns>
public void ConnectBlock(AnalyzeBlock root, int level)
{
AnalyzeUnitBase pre = null;
var step = 0;
AnalyzeBlock cur = root;
foreach (var unit in root.ResetElements())
{
if (unit.IsEmpty)
{
continue;
}
var block = unit as AnalyzeBlock;
if (block != null)
{
if (!unit.IsLock && !unit.IsUnit)
{
ConnectBlock(block, level);
}
pre = block;
}
else
{
if (unit.JoinLevel == level && unit.JoinFeature == JoinFeature.Connect)
{
if (step == 0)
{
cur = new AnalyzeBlock
{
Primary = (WordUnit)unit
};
if (pre != null)
{
cur.Append(pre);
root.Elements.RemoveAt(root.Elements.Count - 1);
}
else
{
cur.IsError = true;
}
root.Append(cur);
}
step = 1;
cur.Append(unit);
continue;
}
pre = ((WordUnit)unit).IsPunctuate || ((WordUnit)unit).IsKeyWord ? null : unit;
}
switch (step)
{
case 0:
root.Append(unit);
break;
case 1:
step = 2;
cur.Append(unit);
break;
default:
step = 0;
root.Append(unit);
break;
}
}
}