public static string[] HtmlTagSplit(string str)
{
List <string> strList = new List <string>();
StringStream st = new StringStream(str);
int found = -1;
while (!st.EOS)
{
found = st.Find('<');
if (found < 0)
{
strList.Add(st.Substring());
break;
}
else if (found > 0)
{
strList.Add(st.Substring(st.CurrentPosition, found));
st.CurrentPosition += found;
}
found = st.Find('>');
if (found < 0)
{
return(null);
}
found++;
strList.Add(st.Substring(st.CurrentPosition, found));
st.CurrentPosition += found;
}
string[] ret = new string[strList.Count];
strList.CopyTo(ret);
return(ret);
}
private static AConsoleDisplayPart tagAnalyze(HtmlAnalzeState state, StringStream st)
{
bool endTag = (st.Current == '/');
string tag;
if (endTag)
{
st.ShiftNext();
int found = st.Find('>');
if (found < 0)
{
st.CurrentPosition = st.RowString.Length;
return(null); //戻り先でエラーを出す
}
tag = st.Substring(st.CurrentPosition, found).Trim();
st.CurrentPosition += found;
FontStyle endStyle = FontStyle.Strikeout;
switch (tag.ToLower())
{
case "b": endStyle = FontStyle.Bold; goto case "s";
case "i": endStyle = FontStyle.Italic; goto case "s";
case "u": endStyle = FontStyle.Underline; goto case "s";
case "s":
if ((state.FontStyle & endStyle) == FontStyle.Regular)
{
throw new CodeEE("</" + tag + ">の前に<" + tag + ">がありません");
}
state.FontStyle ^= endStyle;
return(null);
case "p":
if ((!state.FlagP) || (state.FlagPClosed))
{
throw new CodeEE("</p>の前に<p>がありません");
}
state.FlagPClosed = true;
return(null);
case "nobr":
if ((!state.FlagNobr) || (state.FlagNobrClosed))
{
throw new CodeEE("</nobr>の前に<nobr>がありません");
}
state.FlagNobrClosed = true;
return(null);
case "font":
if (state.FonttagList.Count == 0)
{
throw new CodeEE("</font>の前に<font>がありません");
}
state.FonttagList.RemoveAt(state.FonttagList.Count - 1);
return(null);
case "button":
if (state.CurrentButtonTag == null || !state.CurrentButtonTag.IsButtonTag)
{
throw new CodeEE("</button>の前に<button>がありません");
}
state.CurrentButtonTag = null;
state.FlagButton = true;
return(null);
case "nonbutton":
if (state.CurrentButtonTag == null || state.CurrentButtonTag.IsButtonTag)
{
throw new CodeEE("</nonbutton>の前に<nonbutton>がありません");
}
state.CurrentButtonTag = null;
state.FlagButton = true;
return(null);
default:
throw new CodeEE("終了タグ</" + tag + ">は解釈できません");
}
//goto error;
}
//以降は開始タグ
bool tempUseMacro = LexicalAnalyzer.UseMacro;
WordCollection wc = null;
try
{
LexicalAnalyzer.UseMacro = false; //一時的にマクロ展開をやめる
tag = LexicalAnalyzer.ReadSingleIdentifier(st);
LexicalAnalyzer.SkipWhiteSpace(st);
if (st.Current != '>')
{
wc = LexicalAnalyzer.Analyse(st, LexEndWith.GreaterThan, LexAnalyzeFlag.AllowAssignment | LexAnalyzeFlag.AllowSingleQuotationStr);
}
}
finally
{
LexicalAnalyzer.UseMacro = tempUseMacro;
}
if (string.IsNullOrEmpty(tag))
{
goto error;
}
IdentifierWord word;
FontStyle newStyle = FontStyle.Strikeout;
switch (tag.ToLower())
{
case "b": newStyle = FontStyle.Bold; goto case "s";
case "i": newStyle = FontStyle.Italic; goto case "s";
case "u": newStyle = FontStyle.Underline; goto case "s";
case "s":
if (wc != null)
{
throw new CodeEE("<" + tag + ">タグにに属性が設定されています");
}
if ((state.FontStyle & newStyle) != FontStyle.Regular)
{
throw new CodeEE("<" + tag + ">が二重に使われています");
}
state.FontStyle |= newStyle;
return(null);
case "br":
if (wc != null)
{
throw new CodeEE("<" + tag + ">タグにに属性が設定されています");
}
state.FlagBr = true;
return(null);
case "nobr":
if (wc != null)
{
throw new CodeEE("<" + tag + ">タグに属性が設定されています");
}
if (!state.LineHead)
{
throw new CodeEE("<nobr>が行頭以外で使われています");
}
if (state.FlagNobr)
{
throw new CodeEE("<nobr>が2度以上使われています");
}
state.FlagNobr = true;
return(null);
case "p":
{
if (wc == null)
{
throw new CodeEE("<" + tag + ">タグに属性が設定されていません");
}
if (!state.LineHead)
{
throw new CodeEE("<p>が行頭以外で使われています");
}
if (state.FlagNobr)
{
throw new CodeEE("<p>が2度以上使われています");
}
word = wc.Current as IdentifierWord;
wc.ShiftNext();
OperatorWord op = wc.Current as OperatorWord;
wc.ShiftNext();
LiteralStringWord attr = wc.Current as LiteralStringWord;
wc.ShiftNext();
if (!wc.EOL || word == null || op == null || op.Code != OperatorCode.Assignment || attr == null)
{
goto error;
}
if (!word.Code.Equals("align", StringComparison.OrdinalIgnoreCase))
{
throw new CodeEE("<p>タグの属性名" + word.Code + "は解釈できません");
}
string attrValue = Unescape(attr.Str);
switch (attrValue.ToLower())
{
case "left":
state.Alignment = DisplayLineAlignment.LEFT;
break;
case "center":
state.Alignment = DisplayLineAlignment.CENTER;
break;
case "right":
state.Alignment = DisplayLineAlignment.RIGHT;
break;
default:
throw new CodeEE("属性値" + attr.Str + "は解釈できません");
}
state.FlagP = true;
return(null);
}
case "img":
{
if (wc == null)
{
throw new CodeEE("<" + tag + ">タグに属性が設定されていません");
}
string attrValue = null;
string src = null;
string srcb = null;
int height = 0;
int width = 0;
int ypos = 0;
while (wc != null && !wc.EOL)
{
word = wc.Current as IdentifierWord;
wc.ShiftNext();
OperatorWord op = wc.Current as OperatorWord;
wc.ShiftNext();
LiteralStringWord attr = wc.Current as LiteralStringWord;
wc.ShiftNext();
if (word == null || op == null || op.Code != OperatorCode.Assignment || attr == null)
{
goto error;
}
attrValue = Unescape(attr.Str);
if (word.Code.Equals("src", StringComparison.OrdinalIgnoreCase))
{
if (src != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
src = attrValue;
}
else if (word.Code.Equals("srcb", StringComparison.OrdinalIgnoreCase))
{
if (srcb != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
srcb = attrValue;
}
else if (word.Code.Equals("height", StringComparison.OrdinalIgnoreCase))
{
if (height != 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
if (!int.TryParse(attrValue, out height))
{
throw new CodeEE("<" + tag + ">タグのheight属性の属性値が数値として解釈できません");
}
}
else if (word.Code.Equals("width", StringComparison.OrdinalIgnoreCase))
{
if (width != 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
if (!int.TryParse(attrValue, out width))
{
throw new CodeEE("<" + tag + ">タグのwidth属性の属性値が数値として解釈できません");
}
}
else if (word.Code.Equals("ypos", StringComparison.OrdinalIgnoreCase))
{
if (ypos != 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
if (!int.TryParse(attrValue, out ypos))
{
throw new CodeEE("<" + tag + ">タグのypos属性の属性値が数値として解釈できません");
}
}
else
{
throw new CodeEE("<" + tag + ">タグの属性名" + word.Code + "は解釈できません");
}
}
if (src == null)
{
throw new CodeEE("<" + tag + ">タグにsrc属性が設定されていません");
}
return(new ConsoleImagePart(src, srcb, height, width, ypos));
}
case "shape":
{
if (wc == null)
{
throw new CodeEE("<" + tag + ">タグに属性が設定されていません");
}
int[] param = null;
string type = null;
int color = -1;
int bcolor = -1;
while (!wc.EOL)
{
word = wc.Current as IdentifierWord;
wc.ShiftNext();
OperatorWord op = wc.Current as OperatorWord;
wc.ShiftNext();
LiteralStringWord attr = wc.Current as LiteralStringWord;
wc.ShiftNext();
if (word == null || op == null || op.Code != OperatorCode.Assignment || attr == null)
{
goto error;
}
string attrValue = Unescape(attr.Str);
switch (word.Code.ToLower())
{
case "color":
if (color >= 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
color = stringToColorInt32(attrValue);
break;
case "bcolor":
if (bcolor >= 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
bcolor = stringToColorInt32(attrValue);
break;
case "type":
if (type != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
type = attrValue;
break;
case "param":
if (param != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
{
string[] tokens = attrValue.Split(',');
param = new int[tokens.Length];
for (int i = 0; i < tokens.Length; i++)
{
if (!int.TryParse(tokens[i], out param[i]))
{
throw new CodeEE("<" + tag + ">タグの" + word.Code + "属性の属性値が数値として解釈できません");
}
}
break;
}
default:
throw new CodeEE("<" + tag + ">タグの属性名" + word.Code + "は解釈できません");
}
}
if (param == null)
{
throw new CodeEE("<" + tag + ">タグにparam属性が設定されていません");
}
if (type == null)
{
throw new CodeEE("<" + tag + ">タグにtype属性が設定されていません");
}
Color c = Config.ForeColor;
Color b = Config.FocusColor;
if (color >= 0)
{
c = Color.FromArgb(color >> 16, (color >> 8) & 0xFF, color & 0xFF);
}
if (bcolor >= 0)
{
b = Color.FromArgb(bcolor >> 16, (bcolor >> 8) & 0xFF, bcolor & 0xFF);
}
return(ConsoleShapePart.CreateShape(type, param, c, b, color >= 0));
}
case "button":
case "nonbutton":
{
if (state.CurrentButtonTag != null)
{
throw new CodeEE("<button>又は<nonbutton>が入れ子にされています");
}
HtmlAnalzeStateButtonTag buttonTag = new HtmlAnalzeStateButtonTag();
bool isButton = tag.ToLower() == "button";
string attrValue = null;
string value = null;
//if (wc == null)
// throw new CodeEE("<" + tag + ">タグに属性が設定されていません");
while (wc != null && !wc.EOL)
{
word = wc.Current as IdentifierWord;
wc.ShiftNext();
OperatorWord op = wc.Current as OperatorWord;
wc.ShiftNext();
LiteralStringWord attr = wc.Current as LiteralStringWord;
wc.ShiftNext();
if (word == null || op == null || op.Code != OperatorCode.Assignment || attr == null)
{
goto error;
}
attrValue = Unescape(attr.Str);
if (word.Code.Equals("value", StringComparison.OrdinalIgnoreCase))
{
if (!isButton)
{
throw new CodeEE("<" + tag + ">タグにvalue属性が設定されています");
}
if (value != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
value = attrValue;
}
else if (word.Code.Equals("title", StringComparison.OrdinalIgnoreCase))
{
if (buttonTag.ButtonTitle != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
buttonTag.ButtonTitle = attrValue;
}
else if (word.Code.Equals("pos", StringComparison.OrdinalIgnoreCase))
{
//throw new NotImplCodeEE();
int pos = 0;
if (buttonTag.PointXisLocked)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
if (!int.TryParse(attrValue, out pos))
{
throw new CodeEE("<" + tag + ">タグのpos属性の属性値が数値として解釈できません");
}
buttonTag.PointX = pos;
buttonTag.PointXisLocked = true;
}
else
{
throw new CodeEE("<" + tag + ">タグの属性名" + word.Code + "は解釈できません");
}
}
if (isButton)
{
//if (value == null)
// throw new CodeEE("<" + tag + ">タグにvalue属性が設定されていません");
int intValue = 0;
buttonTag.ButtonIsInteger = (int.TryParse(value, out intValue));
buttonTag.ButtonValueInt = intValue;
buttonTag.ButtonValueStr = value;
}
buttonTag.IsButton = value != null;
buttonTag.IsButtonTag = isButton;
state.CurrentButtonTag = buttonTag;
state.FlagButton = true;
return(null);
}
case "font":
{
if (wc == null)
{
throw new CodeEE("<" + tag + ">タグに属性が設定されていません");
}
HtmlAnalzeStateFontTag font = new HtmlAnalzeStateFontTag();
while (!wc.EOL)
{
word = wc.Current as IdentifierWord;
wc.ShiftNext();
OperatorWord op = wc.Current as OperatorWord;
wc.ShiftNext();
LiteralStringWord attr = wc.Current as LiteralStringWord;
wc.ShiftNext();
if (word == null || op == null || op.Code != OperatorCode.Assignment || attr == null)
{
goto error;
}
string attrValue = Unescape(attr.Str);
switch (word.Code.ToLower())
{
case "color":
if (font.Color >= 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
font.Color = stringToColorInt32(attrValue);
break;
case "bcolor":
if (font.BColor >= 0)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
font.BColor = stringToColorInt32(attrValue);
break;
case "face":
if (font.FontName != null)
{
throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
}
font.FontName = attrValue;
break;
//case "pos":
// {
// //throw new NotImplCodeEE();
// if (font.PointXisLocked)
// throw new CodeEE("<" + tag + ">タグに" + word.Code + "属性が2度以上指定されています");
// int pos = 0;
// if (!int.TryParse(attrValue, out pos))
// throw new CodeEE("<font>タグのpos属性の属性値が数値として解釈できません");
// font.PointX = pos;
// font.PointXisLocked = true;
// break;
// }
default:
throw new CodeEE("<" + tag + ">タグの属性名" + word.Code + "は解釈できません");
}
}
//他のfontタグの内側であるなら未設定項目については外側のfontタグの設定を受け継ぐ(posは除く)
if (state.FonttagList.Count > 0)
{
HtmlAnalzeStateFontTag oldFont = state.FonttagList[state.FonttagList.Count - 1];
if (font.Color < 0)
{
font.Color = oldFont.Color;
}
if (font.BColor < 0)
{
font.BColor = oldFont.BColor;
}
if (font.FontName == null)
{
font.FontName = oldFont.FontName;
}
}
state.FonttagList.Add(font);
return(null);
}
default:
goto error;
}
error:
throw new CodeEE("html文字列\"" + st.RowString + "\"のタグ解析中にエラーが発生しました");
}
/// <summary>
/// htmlから表示行の作成
/// </summary>
/// <param name="str">htmlテキスト</param>
/// <param name="sm"></param>
/// <param name="console">実際の表示に使わないならnullにする</param>
/// <returns></returns>
public static ConsoleDisplayLine[] Html2DisplayLine(string str, StringMeasure sm, EmueraConsole console)
{
List <AConsoleDisplayPart> cssList = new List <AConsoleDisplayPart>();
List <ConsoleButtonString> buttonList = new List <ConsoleButtonString>();
StringStream st = new StringStream(str);
int found;
bool hasComment = str.IndexOf("<!--") >= 0;
bool hasReturn = str.IndexOf('\n') >= 0;
HtmlAnalzeState state = new HtmlAnalzeState();
while (!st.EOS)
{
found = st.Find('<');
if (hasReturn)
{
int rFound = st.Find('\n');
if (rFound >= 0 && (found > rFound || found < 0))
{
found = rFound;
}
}
if (found < 0)
{
string txt = Unescape(st.Substring());
cssList.Add(new ConsoleStyledString(txt, state.GetSS()));
if (state.FlagPClosed)
{
throw new CodeEE("</p>の後にテキストがあります");
}
if (state.FlagNobrClosed)
{
throw new CodeEE("</nobr>の後にテキストがあります");
}
break;
}
else if (found > 0)
{
string txt = Unescape(st.Substring(st.CurrentPosition, found));
cssList.Add(new ConsoleStyledString(txt, state.GetSS()));
state.LineHead = false;
st.CurrentPosition += found;
}
//コメントタグのみ特別扱い
if (hasComment && st.CurrentEqualTo("<!--"))
{
st.CurrentPosition += 4;
found = st.Find("-->");
if (found < 0)
{
throw new CodeEE("コメンdト終了タグ\"-->\"がみつかりません");
}
st.CurrentPosition += found + 3;
continue;
}
if (hasReturn && st.Current == '\n') //テキスト中の\nは<br>として扱う
{
state.FlagBr = true;
st.ShiftNext();
}
else //タグ解析
{
st.ShiftNext();
AConsoleDisplayPart part = tagAnalyze(state, st);
if (st.Current != '>')
{
throw new CodeEE("タグ終端'>'が見つかりません");
}
if (part != null)
{
cssList.Add(part);
}
st.ShiftNext();
}
if (state.FlagBr)
{
state.LastButtonTag = state.CurrentButtonTag;
if (cssList.Count > 0)
{
buttonList.Add(cssToButton(cssList, state, console));
}
buttonList.Add(null);
}
if (state.FlagButton && cssList.Count > 0)
{
buttonList.Add(cssToButton(cssList, state, console));
}
state.FlagBr = false;
state.FlagButton = false;
state.LastButtonTag = state.CurrentButtonTag;
}
//</nobr></p>は省略許可
if (state.CurrentButtonTag != null || state.FontStyle != FontStyle.Regular || state.FonttagList.Count > 0)
{
throw new CodeEE("閉じられていないタグがあります");
}
if (cssList.Count > 0)
{
buttonList.Add(cssToButton(cssList, state, console));
}
foreach (ConsoleButtonString button in buttonList)
{
if (button != null && button.PointXisLocked)
{
if (!state.FlagNobr)
{
throw new CodeEE("<nobr>が設定されていない行ではpos属性は使用できません");
}
if (state.Alignment != DisplayLineAlignment.LEFT)
{
throw new CodeEE("alignがleftでない行ではpos属性は使用できません");
}
break;
}
}
ConsoleDisplayLine[] ret = PrintStringBuffer.ButtonsToDisplayLines(buttonList, sm, state.FlagNobr, false);
foreach (ConsoleDisplayLine dl in ret)
{
dl.SetAlignment(state.Alignment);
}
return(ret);
}