/// <summary>
/// Renders the style property
/// </summary>
/// <param name="tag"></param>
private void WriteAttributes(HtmlTag tag)
{
foreach (KeyValuePair <string, object> attribute in tag.FilteredAttributes)
{
if (attribute.Value is HtmlTag)
{
// HTML doesn't allow tags in attributes unlike code markup
continue;
}
string value = attribute.Value as string;
this.writer.Write(' ');
if (String.IsNullOrEmpty(value))
{
HtmlDistiller.HtmlAttributeEncode(attribute.Key, this.writer);
}
else if (String.IsNullOrEmpty(attribute.Key))
{
HtmlDistiller.HtmlAttributeEncode(value, this.writer);
}
else
{
HtmlDistiller.HtmlAttributeEncode(attribute.Key, this.writer);
this.writer.Write("=\"");
HtmlDistiller.HtmlAttributeEncode(value, this.writer);
this.writer.Write("\"");
}
}
}
public static List <ParseException> Compile(
string inputFile,
string inputSource,
TextWriter output,
string copyright,
string timeStamp,
bool prettyPrint)
{
if (output == null)
{
throw new NullReferenceException("Output TextWriter was null.");
}
if (String.IsNullOrEmpty(inputSource))
{
if (String.IsNullOrEmpty(inputFile))
{
throw new NullReferenceException("Input file path was empty.");
}
inputSource = File.ReadAllText(inputFile);
}
// write out header with copyright and timestamp
WriteHeader(output, copyright, timeStamp);
// verify, compact and write out results
// parse JBST markup
JbstWriter writer = new JbstWriter(inputFile);
List <ParseException> errors = new List <ParseException>();
try
{
HtmlDistiller parser = new HtmlDistiller();
parser.EncodeNonAscii = false;
parser.BalanceTags = false;
parser.NormalizeWhitespace = false;
parser.HtmlWriter = writer;
parser.HtmlFilter = new NullHtmlFilter();
parser.Parse(inputSource);
}
catch (ParseException ex)
{
errors.Add(ex);
}
catch (Exception ex)
{
errors.Add(new ParseError(ex.Message, inputFile, 0, 0, ex));
}
// render the pretty-printed version
writer.Render(output);
// return any errors
return(errors);
}
private void SetAttribute(JbstContainerControl target, string name, string value)
{
value = HtmlDistiller.DecodeHtmlEntities(value);
if ("style".Equals(name, StringComparison.OrdinalIgnoreCase))
{
this.SetStyle(target, null, value);
}
else
{
target.Attributes[name] = value;
}
}
/// <summary>
/// Renders the style property
/// </summary>
/// <param name="output"></param>
private void WriteStyles(HtmlTag tag)
{
this.writer.Write(" style=\"");
foreach (KeyValuePair <string, string> style in tag.FilteredStyles)
{
HtmlDistiller.HtmlAttributeEncode(style.Key, this.writer);
this.writer.Write(':');
HtmlDistiller.HtmlAttributeEncode(style.Value, this.writer);
this.writer.Write(';');
}
this.writer.Write('\"');
}
/// <summary>
/// Compiles the provided input
/// </summary>
/// <param name="input"></param>
/// <param name="filename"></param>
/// <param name="compilationErrors"></param>
/// <param name="compactionErrors"></param>
/// <returns></returns>
public IOptimizedResult Compile(TextReader input, string filename, List <ParseException> compilationErrors, List <ParseException> compactionErrors)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
// verify, compact and write out results
// parse JBST markup
JbstWriter writer = new JbstWriter(filename);
StringWriter sw = new StringWriter();
string source = input.ReadToEnd();
try
{
HtmlDistiller parser = new HtmlDistiller();
parser.EncodeNonAscii = false;
parser.BalanceTags = false;
parser.NormalizeWhitespace = false;
parser.HtmlWriter = writer;
parser.HtmlFilter = new NullHtmlFilter();
parser.Parse(source);
// render the pretty-printed version
writer.Render(sw);
}
catch (ParseException ex)
{
compilationErrors.Add(ex);
}
catch (Exception ex)
{
compilationErrors.Add(new ParseError(ex.Message, filename, 0, 0, ex));
}
SimpleJbstBuildResult result = new SimpleJbstBuildResult(writer.JbstName, writer.AutoMarkup);
result.Source = source;
result.PrettyPrinted = sw.GetStringBuilder().ToString();
result.Compacted = this.Compact(result.PrettyPrinted, filename, compactionErrors);
result.ContentType = "text/javascript";
result.FileExtension = ".jbst.js";
result.Hash = this.ComputeHash(result.Source);
// return any errors
return(result);
}
protected override void ProcessResource(
IResourceBuildHelper helper,
string virtualPath,
string sourceText,
out string resource,
out string compacted,
List <ParseException> errors)
{
// parse JBST markup
this.jbstWriter = new JbstWriter(virtualPath);
try
{
HtmlDistiller parser = new HtmlDistiller();
parser.EncodeNonAscii = false;
parser.BalanceTags = false;
parser.NormalizeWhitespace = false;
parser.HtmlWriter = this.jbstWriter;
parser.HtmlFilter = new NullHtmlFilter();
parser.Parse(sourceText);
// determine which globalization keys were used
JbstCodeProvider.ExtractGlobalizationKeys(this.jbstWriter.JbstParseTree, this.GlobalizationKeys);
}
catch (ParseException ex)
{
errors.Add(ex);
}
catch (Exception ex)
{
errors.Add(new ParseError(ex.Message, virtualPath, 0, 0, ex));
}
string renderedTemplate;
using (StringWriter sw = new StringWriter())
{
// render the pretty-printed version
this.jbstWriter.Render(sw);
sw.Flush();
renderedTemplate = sw.ToString();
resource = ScriptResourceCodeProvider.FirewallScript(virtualPath, renderedTemplate, false);
}
// min the output for better compaction
compacted = ScriptCompactionAdapter.Compact(virtualPath, renderedTemplate, errors);
compacted = ScriptResourceCodeProvider.FirewallScript(virtualPath, compacted, true);
}
private void AppendChild(string text)
{
if (String.IsNullOrEmpty(text))
{
return;
}
if (this.current == null)
{
this.current = this.document;
}
// this allows HTML entities to be encoded as unicode
text = HtmlDistiller.DecodeHtmlEntities(text);
JbstLiteral literal = new JbstLiteral(text, true);
this.current.ChildControls.Add(literal);
}
/// <summary>
/// Optionally allows breaking of long words
/// </summary>
/// <param name="source"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="replacement"></param>
/// <returns>true if literal was changed</returns>
public virtual bool FilterLiteral(string source, int start, int end, out string replacement)
{
replacement = null;
if (this.MaxWordLength <= 0 || source == null)
{
return(false);
}
bool addedBreak = false;
int last = start,
sinceSpace = 0;
for (int i = start; i < end; i++)
{
if (Char.IsWhiteSpace(source[i]))
{
sinceSpace = 0;
continue;
}
if (sinceSpace >= this.MaxWordLength)
{
if (this.HtmlWriter == null)
{
throw new NullReferenceException("HtmlWriter was never set on the HtmlFilter.");
}
addedBreak = true;
// append all before break
this.HtmlWriter.WriteLiteral(source.Substring(last, i - last));
this.HtmlWriter.WriteTag(new HtmlTag(WordBreakTag, this));
this.HtmlWriter.WriteLiteral(SoftHyphenEntity);
last = i;
sinceSpace = 0;
}
else
{
sinceSpace++;
}
if (source[i] == HtmlDistiller.EntityStartChar)
{
char entityChar;
int entityLength = HtmlDistiller.DecodeHtmlEntity(source, i, out entityChar);
if (entityLength > 1)
{
// compensating for the length of this entity
// so that doesn't break within the entity symbol
i += entityLength - 1;
}
}
}
if (!addedBreak)
{
// don't replace since didn't need to insert break
return(false);
}
if (last < end)
{
// replace with remaining string
replacement = source.Substring(last, end - last);
}
// a word break was inserted
return(true);
}