private void WritePrefix()
{
// write prefix by state
WritingState currentState = this.state.Peek();
switch (currentState)
{
case WritingState.Value:
break;
case WritingState.ArrayStart:
this.state.Pop();
this.state.Push(WritingState.Array);
break;
case WritingState.ObjectStart:
this.state.Pop();
this.state.Push(WritingState.Object);
break;
case WritingState.Array:
case WritingState.Object:
this.writer.Write(',');
break;
case WritingState.ObjectPropertyName:
this.state.Pop();
this.writer.Write(':');
break;
default:
break;
}
}
//開始タグ適用(未対応のタグの場合はfalseを返す)
private bool applyStartTag(TagReader.StartTag aTag)
{
switch (aTag.mTagName)
{
case "clear": //表示削除
clear();
return(true);
case "stop": //停止
mWritingState = WritingState.stop;
return(true);
case "next": //停止、再開時に表示削除
mWritingState = WritingState.waiteNext;
return(true);
case "waite": //指定秒数停止
mWritingState = WritingState.waite;
this.setTimeout(float.Parse(aTag.mArguments[0]), () => {
if (mWritingState == WritingState.waite)
{
mWritingState = WritingState.writing;
}
});
return(true);
default:
return(false);
}
}
//<summary>表示を停止するところまで表示、もしくは停止を解除し続きを表示</summary>
public void read()
{
switch (mWritingState)
{
case WritingState.writing: //追記中
//停止するまでスキップ
while (mWritingState == WritingState.writing)
{
next();
}
return;
case WritingState.stop: //停止中
//続きを表示
mElapsedTime = 0;
mWritingState = WritingState.writing;
return;
case WritingState.waiteNext: //ページ送り待ち中
//表示削除してから続きを表示
clear();
mElapsedTime = 0;
mWritingState = WritingState.writing;
return;
case WritingState.waite: //待ち中
return;
case WritingState.end: //表示完了済み
return;
}
}
//<summary>次の1文字を表示</summary>
public void next()
{
while (true) //1文字表示するまでループ
{
if (mWritingState != WritingState.writing)
{
return; //表示停止中
}
if (mReader.isEnd())
{
//全て表示終了している
mWritingState = WritingState.end;
//読み終わりコールバック
if (mOnRead != null)
{
mOnRead();
}
}
//次の1文字もしくはタグを読んで表示
TagReader.Element tElement = mReader.read();
if (tElement is TagReader.OneChar)
{
//文字1文字
mBoard.addText(((TagReader.OneChar)tElement).mChar);
return;
}
else if (tElement is TagReader.StartTag)
{
//開始タグ
if (!applyStartTag((TagReader.StartTag)tElement))
{
mBoard.addText(((TagReader.StartTag)tElement).mOriginalString);
}
continue;
}
else if (tElement is TagReader.EndTag)
{
//終了タグ
if (!applyEndTag((TagReader.EndTag)tElement))
{
mBoard.addText(((TagReader.EndTag)tElement).mOriginalString);
}
continue;
}
}
}
public TextEditor(WritingState state) => this.state = state;
///<summary>テキストを表示(既に表示されているテキストはそのまま)</summary>
public void display(string aText)
{
mReader = new TagReader(aText);
mElapsedTime = 0;
mWritingState = WritingState.writing;
}
