/// <summary>
/// Method ImplementedClosingTag
/// Implements the logic associated with closing a tag.
/// </summary>
private void ImplementedClosingTag()
{
var tagWithoutValues = new string(StackWithTags.Peek().TakeWhile(x => x != ' ').ToArray());
// Determines if the top of the stack matches the closing tag.
if (parsingElement.ToString() != tagWithoutValues)
{
throw new Exception("Incorrectly closed tags.");
}
Result.CloseTag();
parsingElement.Clear();
// Remove a closed tag from the stack.
StackWithTags.Pop();
}
/// <summary>
/// Method ParsingXml
/// Parsing a string, if the XML file is compiled
/// correctly, returns the result of the parsing.
/// </summary>
private void ParsingXml()
{
Result.XmlResult.Add("{");
for (var i = 0; i < XmlString.Length; i++)
{
SkipComment(ref i);
// Skip character if it is a space or a line break.
if (((XmlString[i] == ' ') && (!flagsOfTheState.TagFlag && !flagsOfTheState.ArgumentFlag)) || (XmlString[i] == '\n'))
{
continue;
}
if (XmlString[i] == '<')
{
// Check for opening tag one more time.
if (flagsOfTheState.TagFlag)
{
throw new Exception("Incorrect brackets.");
}
// If there is a ready argument, then write it down.
if (parsingElement.ToString() != string.Empty)
{
Result.CreateArg(parsingElement.ToString());
}
parsingElement.Clear();
GetTypeOfTag(XmlString, flagsOfTheState, ref i);
continue;
}
if (XmlString[i] == '>')
{
// Check for closing only open tag.
if (!flagsOfTheState.TagFlag)
{
throw new Exception("Incorrect brackets.");
}
SkipDoctype();
// Check for XML declaration at the beginning.
if (!flagsOfTheState.XmlFlag)
{
ImplementDeclarationTag();
flagsOfTheState.DisableParsingTag();
continue;
}
// If it is a closing tag, it checks for consistency with the tags in the stack.
if (flagsOfTheState.ClosingTagFlag)
{
ImplementedClosingTag();
flagsOfTheState.DisableParsingTag();
continue;
}
// If this is an empty tag. (< ... />)
if (XmlString[i - 1] == '/')
{
Result.CreateEmptyArg(parsingElement.ToString());
parsingElement.Clear();
flagsOfTheState.DisableParsingTag();
continue;
}
if (parsingElement.ToString() != string.Empty)
{
StackWithTags.Push(parsingElement.ToString());
Result.OpenTag();
parsingElement.Clear();
}
flagsOfTheState.DisableParsingTag();
continue;
}
if (!flagsOfTheState.TagFlag)
{
flagsOfTheState.ArgumentFlag = true;
}
parsingElement.Append(XmlString[i]);
}
Result.XmlResult.Add("}");
if (StackWithTags.Count != 0)
{
throw new Exception("Incorrectly closed tags.");
}
}