public BlockContent[] Split(string[] lines, string openingRegexTag, string closeTag, PageEvaluationMode mode, bool mergeBlocks)
{
//var pageLevelCss = 0;
var within = false;
var matches = new List<BlockContent>();
var isWhiteSpaceSinceLastBlock = false;
var openingRegex = new Regex(openingRegexTag, RegexOptions.Multiline | RegexOptions.IgnoreCase);
var atSymbols = 0;
var ls = new BlockContent { Lines = new List<string>() };
for (var i = 0; i < lines.Length; i++)
{
var line = lines[i];
var openingTagMatches = openingRegex.Matches(line);
if (openingTagMatches.Count > 0)
{
within = true;
var isMatch = openingTagMatches.Cast<Match>().Any(match => string.IsNullOrWhiteSpace(line.Replace(match.Value, "")));
isWhiteSpaceSinceLastBlock = isWhiteSpaceSinceLastBlock && (string.IsNullOrWhiteSpace(line) || isMatch);
}
if (within)
{
if (line.Contains(closeTag))
{
var indexOfClosingTag = line.IndexOf(closeTag, StringComparison.InvariantCultureIgnoreCase);
ls.Lines.Add(line.Substring(0, indexOfClosingTag + closeTag.Length));
if (ls.FirstOccurenceLineNumber == 0)
{
ls.FirstOccurenceLineNumber = i;
}
}
else
{
ls.Lines.Add(line);
atSymbols += line.Count(x => x == '@');
}
}
else
{
isWhiteSpaceSinceLastBlock = isWhiteSpaceSinceLastBlock && string.IsNullOrWhiteSpace(line);
}
if (within && line.Contains(closeTag, StringComparison.OrdinalIgnoreCase))
{
within = false;
if (
(mode==PageEvaluationMode.RazorOnly && atSymbols > 0)
|| (mode==PageEvaluationMode.NonRazorOnly && atSymbols == 0)
|| (mode==PageEvaluationMode.Any)
)
{
if (mergeBlocks && isWhiteSpaceSinceLastBlock && matches.Any())
{
matches.Last().Lines.AddRange(ls.Lines);
matches.Last().AtSymbols += atSymbols;
}
else
{
ls.AtSymbols = atSymbols;
matches.Add(ls);
isWhiteSpaceSinceLastBlock = true;
}
}
ls = new BlockContent
{
Lines = new List<string>(),
AtSymbols = 0
};
atSymbols = 0;
}
}
if (mode == PageEvaluationMode.RazorOnly && openingRegexTag == RegexConstants.ScriptOpeningTag)
{
matches = RemediatedBlockJsRemover.Remove(matches);
}
return matches.ToArray();
}
/// <summary>
/// Derived from http://stackoverflow.com/questions/1079423/regular-expression-to-get-an-attribute-from-html-tag
/// </summary>
/// <param name="lines"></param>
/// <param name="mode"></param>
/// <returns></returns>
public BlockContent[] Split(string[] lines, PageEvaluationMode mode, bool mergeBlocks)
{
return Split(lines, RegexConstants.StyleOpeningTag, RegexConstants.StyleClosingTag, mode, mergeBlocks);
}
public BlockContent[] Evaluate(string[] contents, PageEvaluationMode mode, bool mergeBlocks)
{
return Split(contents, RegexConstants.ScriptOpeningTag, RegexConstants.ScriptClosingTag, mode, mergeBlocks);
}
/// <summary>
/// Derived from http://stackoverflow.com/questions/1079423/regular-expression-to-get-an-attribute-from-html-tag
/// </summary>
/// <param name="lines"></param>
/// <param name="mode"></param>
/// <returns></returns>
public BlockContent[] Split(string[] lines, PageEvaluationMode mode, bool mergeBlocks)
{
return(Split(lines, RegexConstants.StyleOpeningTag, RegexConstants.StyleClosingTag, mode, mergeBlocks));
}
public BlockContent[] Split(string[] lines, string openingRegexTag, string closeTag, PageEvaluationMode mode, bool mergeBlocks)
{
//var pageLevelCss = 0;
var within = false;
var matches = new List <BlockContent>();
var isWhiteSpaceSinceLastBlock = false;
var openingRegex = new Regex(openingRegexTag, RegexOptions.Multiline | RegexOptions.IgnoreCase);
var atSymbols = 0;
var ls = new BlockContent {
Lines = new List <string>()
};
for (var i = 0; i < lines.Length; i++)
{
var line = lines[i];
var openingTagMatches = openingRegex.Matches(line);
if (openingTagMatches.Count > 0)
{
within = true;
var isMatch = openingTagMatches.Cast <Match>().Any(match => string.IsNullOrWhiteSpace(line.Replace(match.Value, "")));
isWhiteSpaceSinceLastBlock = isWhiteSpaceSinceLastBlock && (string.IsNullOrWhiteSpace(line) || isMatch);
}
if (within)
{
if (line.Contains(closeTag))
{
var indexOfClosingTag = line.IndexOf(closeTag, StringComparison.InvariantCultureIgnoreCase);
ls.Lines.Add(line.Substring(0, indexOfClosingTag + closeTag.Length));
if (ls.FirstOccurenceLineNumber == 0)
{
ls.FirstOccurenceLineNumber = i;
}
}
else
{
ls.Lines.Add(line);
atSymbols += line.Count(x => x == '@');
}
}
else
{
isWhiteSpaceSinceLastBlock = isWhiteSpaceSinceLastBlock && string.IsNullOrWhiteSpace(line);
}
if (within && line.Contains(closeTag, StringComparison.OrdinalIgnoreCase))
{
within = false;
if (
(mode == PageEvaluationMode.RazorOnly && atSymbols > 0) ||
(mode == PageEvaluationMode.NonRazorOnly && atSymbols == 0) ||
(mode == PageEvaluationMode.Any)
)
{
if (mergeBlocks && isWhiteSpaceSinceLastBlock && matches.Any())
{
matches.Last().Lines.AddRange(ls.Lines);
matches.Last().AtSymbols += atSymbols;
}
else
{
ls.AtSymbols = atSymbols;
matches.Add(ls);
isWhiteSpaceSinceLastBlock = true;
}
}
ls = new BlockContent
{
Lines = new List <string>(),
AtSymbols = 0
};
atSymbols = 0;
}
}
if (mode == PageEvaluationMode.RazorOnly && openingRegexTag == RegexConstants.ScriptOpeningTag)
{
matches = RemediatedBlockJsRemover.Remove(matches);
}
return(matches.ToArray());
}
public BlockContent[] Evaluate(string[] contents, PageEvaluationMode mode, bool mergeBlocks)
{
return(Split(contents, RegexConstants.ScriptOpeningTag, RegexConstants.ScriptClosingTag, mode, mergeBlocks));
}
