internal TextLabel ReadReturnNode(string text, ThunderWriter writer, SequenceStringReader readerHelper, string parameterPrefix)
{
return(new TextLabel()
{
SqlText = text
});
}
/// <summary>
/// 参数停顿
/// </summary>
/// <param name="readerHelper"></param>
/// <param name="char"></param>
/// <returns></returns>
private bool Pause(SequenceStringReader readerHelper, char @char)
{
if (readerHelper.IsWhiteSpaceChangeLine(@char))
{
return(true);
}
switch (@char)
{
case ';':
case ',':
case ')':
{
return(true);
}
}
return(false);
}
internal void Build(SqlTagProvider sqlTagProvider, string parameterPrefix, List <SqlTag> includes)
{
if (this.Node == null)
{
return;
}
if (this.CommandType == "sql")
{
includes.Add(this);
return;
}
if (!this.Node.HasChildNodes || this.Node.ChildNodes.Count <= 0)
{
return;
}
var readerHelper = new SequenceStringReader("1");
if (this.Node.ChildNodes.Count == 1 && this.Node.FirstChild.NodeType == XmlNodeType.Text)
{
this.Labels = new List <ILabel>()
{
this.formatLine?
this.ReadTextNodeUsingFormatLine(this.Node.FirstChild, new ThunderWriter(this.Node.FirstChild.InnerXml.Length), readerHelper, parameterPrefix)
:
this.ReadTextNode(this.Node.FirstChild, new ThunderWriter(this.Node.FirstChild.InnerXml.Length), readerHelper, parameterPrefix)
};
return;
}
while (true)
{
var replace = new Dictionary <XmlNode, List <XmlNode> >();
this.QueryReplaceNode(sqlTagProvider, this.Node, replace);
if (replace.Count == 0)
{
break;
}
foreach (var r in replace)
{
if (r.Value == null || r.Value.Count == 0)
{
r.Key.ParentNode.RemoveChild(r.Key);
}
var next = r.Key;
foreach (var s in r.Value)
{
next = r.Key.ParentNode.InsertAfter(s, next);
}
}
foreach (var r in replace)
{
if (r.Value == null || r.Value.Count == 0)
{
continue;
}
r.Key.ParentNode.RemoveChild(r.Key);
}
}
this.Labels = new List <ILabel>(this.Node.ChildNodes.Count);
foreach (XmlNode node in this.Node.ChildNodes)
{
this.Build(node, this.Labels, readerHelper, parameterPrefix);
}
this.Node = null;
}
internal TextLabel ReadTextNodeUsingFormatLine(string text, ThunderWriter writer, SequenceStringReader readerHelper, string parameterPrefix)
{
var i = -1;
var length = text.Length;
var label = new TextLabel()
{
};
var hack = 0;
var cuted = false;
char last = 'a';
while (true)
{
i++;
if (i >= length)
{
break;
}
if (readerHelper.IsWhiteSpaceChangeLine(text[i]))
{
hack++;
continue;
}
i--;
break;
}
while (true)
{
i++;
if (i >= length)
{
break;
}
switch (text[i])
{
case '\u0020':
case '\u0009':
{
if (readerHelper.IsWhiteSpaceChangeLine(last))
{
hack++;
}
else
{
writer.Write(last = text[i]);
}
}
break;
case '\u000A':
case '\u000D':
{
switch (last)
{
case '\u0020':
case '\u0009':
{
writer.Write(last = text[i]);
}
break;
case '\u000A':
case '\u000D':
{
hack++;
}
break;
default:
{
writer.Write(last = text[i]);
}
break;
}
}
break;
case '\'':
{
writer.Write(last = text[i]);
var start = i;
var end = text.Length;
while (true)
{
start++;
if (text.Length <= start)
{
throw new DataFormatException("sql tag {0} can not find ' char;", this.Id);
}
if (text[start] == '$')
{
last = '$';
writer.Write('$');
var start2 = start;
var end2 = text.Length;
while (true)
{
start2++;
if (text.Length <= start2)
{
break;
}
if (text[start2] == '\'')
{
throw new DataFormatException("sql tag {0} can not find $ char;", this.Id);
}
if (text[start2] == '$')
{
writer.Write(last = '$');
end2 = start2 - 1;
cuted = true;
break;
}
writer.Write(last = text[start2]);
if (this.Pause(readerHelper, text[start2]))
{
end2 = start2 - 1;
break;
}
}
//从引号到$中间多了某些字符
var ss = start + 1;
var se = end2 - start;
var name = text.Sub(ss, se);
var parameter = new ParameterPosition()
{
Name = name,
SourcePrefix = new string(text[start], 1),
ActualPrefix = parameterPrefix,
StartPosition = start + 1 - hack,
PrefixStart = start - hack,
StopPosition = end2 - hack,
PositionLength = end2 - start,
};
if (cuted)
{
parameter.StopPosition += 1;
parameter.PositionLength += 1;
cuted = false;
}
parameter.TextParameter = parameter.SourcePrefix == "$";
label.Add(parameter);
start = start2;
}
else if (text[start] == '@')
{
throw new DataFormatException("sql tag {0} reading '@' is error;", this.Id);
}
else
{
writer.Write(last = text[start]);
}
if (text[start] == '\'')
{
i = start;
break;
}
}
}
break;
case '$':
{
last = '$';
writer.Write('$');
var start = i;
var end = text.Length;
while (true)
{
start++;
if (text.Length <= start)
{
throw new ArgumentOutOfRangeException($"start with $ must end with $,position is {start}");
}
if (text[start] == '$')
{
last = '$';
writer.Write('$');
end = start - 1;
cuted = true;
break;
}
writer.Write(last = text[start]);
if (this.Pause(readerHelper, text[start]))
{
end = start - 1;
break;
}
}
var name = text.Sub(i + 1, end - i);
var parameter = new ParameterPosition()
{
Name = name,
SourcePrefix = new string(text[i], 1),
ActualPrefix = parameterPrefix,
StartPosition = (i + 1) - hack,
PrefixStart = i - hack,
StopPosition = end - hack,
PositionLength = (end - i),
};
if (cuted)
{
parameter.StopPosition += 1;
parameter.PositionLength += 1;
cuted = false;
}
parameter.TextParameter = parameter.SourcePrefix == "$";
label.Add(parameter);
i = start;
}
break;
case '@':
{
last = parameterPrefix.Last();
writer.Write(parameterPrefix);
var start = i;
var end = text.Length;
while (true)
{
start++;
if (text.Length <= start)
{
end = start - 1;
break;
}
writer.Write(last = text[start]);
if (this.Pause(readerHelper, text[start]))
{
end = start - 1;
break;
}
}
var name = text.Sub(i + 1, end - i);
var parameter = new ParameterPosition()
{
Name = name,
SourcePrefix = new string(text[i], 1),
ActualPrefix = parameterPrefix,
StartPosition = (i + 1) - hack,
PrefixStart = i - hack,
StopPosition = (i + end - i) - hack,
PositionLength = (end - i),
};
parameter.TextParameter = parameter.SourcePrefix == "$";
/*前缀为@@这样的长度*/
if (parameterPrefix.Length > 1)
{
parameter.StopPosition += parameterPrefix.Length - 1;
parameter.PositionLength += parameterPrefix.Length - 1;
}
label.Add(parameter);
i = start;
}
break;
default:
{
writer.Write(last = text[i]);
}
break;
}
}
label.SqlText = writer.ToString();
this.TextLength += label.SqlText.Length;
writer.Clear();
return(label);
}
private TextLabel ReadTextNodeUsingFormatLine(XmlNode node, ThunderWriter writer, SequenceStringReader readerHelper, string parameterPrefix)
{
return(this.ReadTextNodeUsingFormatLine(node.InnerText, writer, readerHelper, parameterPrefix));
}
private void Build(XmlNode node, List <ILabel> lines, SequenceStringReader readerHelper, string parameterPrefix)
{
if (node.NodeType == XmlNodeType.Text)
{
var label = this.formatLine ? this.ReadTextNodeUsingFormatLine(node, new ThunderWriter(node.InnerXml.Length), readerHelper, parameterPrefix) : this.ReadTextNode(node, new ThunderWriter(node.InnerXml.Length), readerHelper, parameterPrefix);
lines.Add(label);
return;
}
if (node.NodeType == XmlNodeType.Element)
{
var parameter = node.Attributes.GetNamedItem("parameter");
var then = node.Attributes.GetNamedItem("then");
switch (node.Name)
{
case "ifarray":
{
var open = node.Attributes.GetNamedItem("open");
var close = node.Attributes.GetNamedItem("close");
var split = node.Attributes.GetNamedItem("split");
var label = new ArrayLabel()
{
Open = open == null ? null : open.Value,
Close = close == null ? null : close.Value,
Split = split == null ? null : split.Value,
Parameter = parameter == null ? null : parameter.Value,
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Line = this.formatLine ? this.ReadTextNodeUsingFormatLine(node, new ThunderWriter(node.InnerText.Length), readerHelper, parameterPrefix) : this.ReadTextNode(node, new ThunderWriter(node.InnerText.Length), readerHelper, parameterPrefix),
};
lines.Add(label);
}
break;
case "if":
{
var end = node.Attributes.GetNamedItem("end");
var split = node.Attributes.GetNamedItem("split");
var label = new IfLabel()
{
Labels = new List <ILabel>(node.ChildNodes.Count),
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
End = end == null ? null : end.Value.Trim(),
Split = split == null ? null : split.Value,
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "ifnotnull":
{
var label = new NotNullLabel()
{
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Parameter = parameter == null ? null : parameter.Value,
Labels = node.HasChildNodes ? new List <ILabel>(node.ChildNodes.Count) : new List <ILabel>(0),
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "ifnotempty":
{
var label = new NotEmptyLabel()
{
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Parameter = parameter == null ? null : parameter.Value,
Labels = node.HasChildNodes ? new List <ILabel>(node.ChildNodes.Count) : new List <ILabel>(0),
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "ifnull":
{
var label = new NullLabel()
{
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Parameter = parameter == null ? null : parameter.Value,
Labels = node.HasChildNodes ? new List <ILabel>(node.ChildNodes.Count) : new List <ILabel>(0),
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "ifempty":
{
var label = new EmptyLabel()
{
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Parameter = parameter == null ? null : parameter.Value,
Labels = node.HasChildNodes ? new List <ILabel>(node.ChildNodes.Count) : new List <ILabel>(0),
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "ifcontain":
{
var label = new ContainLabel()
{
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Parameter = parameter == null ? null : parameter.Value,
Labels = node.HasChildNodes ? new List <ILabel>(node.ChildNodes.Count) : new List <ILabel>(0),
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "ifnotexists":
{
var label = new NotExistsLabel()
{
Then = then == null ? null : (this.formatLine ? string.Concat(then.Value.Trim(), ' ') : then.Value.Trim()),
Parameter = parameter == null ? null : parameter.Value,
Labels = node.HasChildNodes ? new List <ILabel>(node.ChildNodes.Count) : new List <ILabel>(0),
};
if (node.HasChildNodes)
{
foreach (XmlNode s in node.ChildNodes)
{
this.Build(s, label.Labels, readerHelper, parameterPrefix);
}
if (then != null)
{
this.TextLength += then.Value.Length;
}
}
lines.Add(label);
}
break;
case "return":
{
var type = node.Attributes.GetNamedItem("type");
var label = new ReturnLabel()
{
Type = type == null ? null : type.Value,
Line = this.formatLine ?
this.ReadReturnNodeUsingFormatLine(node, new ThunderWriter(node.InnerXml.Length), readerHelper, parameterPrefix)
:
this.ReadReturnNode(node, new ThunderWriter(node.InnerXml.Length), readerHelper, parameterPrefix),
};
if (label.Line.SqlText != null)
{
this.TextLength += label.Line.SqlText.Length;
}
lines.Add(label);
}
break;
}
}
}
internal TextLabel ReadReturnNodeUsingFormatLine(string text, ThunderWriter writer, SequenceStringReader readerHelper, string parameterPrefix)
{
var i = -1;
var length = text.Length;
//0 表示没有引号，1表示已经进入引号
byte mode = 0;
var label = new TextLabel()
{
};
while (true)
{
i++;
if (i >= length)
{
break;
}
if (readerHelper.IsWhiteSpaceChangeLine(text[i]))
{
continue;
}
i--;
break;
}
while (true)
{
i++;
if (i >= length)
{
break;
}
if (readerHelper.IsWhiteSpaceChangeLine(text[i]))
{
if (mode == 1)
{
writer.Write(text[i]);
}
else
{
var next = this.Next(text, i);
if (next.HasValue && readerHelper.IsWhiteSpaceChangeLine(next.Value))
{
continue;
}
else
{
writer.Write(text[i]);
continue;
}
}
}
else
{
writer.Write(text[i]);
}
}
label.SqlText = writer.ToString();
this.TextLength += label.SqlText.Length;
writer.Clear();
return(label);
}
