/// <summary>Processes counters.</summary>
/// <param name="cssProps">the CSS properties</param>
/// <param name="context">the processor context</param>
public static void ProcessCounters(IDictionary <String, String> cssProps, CssContext context)
{
String counterReset = cssProps.Get(CssConstants.COUNTER_RESET);
ProcessReset(counterReset, context);
String counterIncrement = cssProps.Get(CssConstants.COUNTER_INCREMENT);
ProcessIncrement(counterIncrement, context);
}
/// <summary>Resets the context.</summary>
public virtual void Reset()
{
this.pdfDocument = null;
this.state = new State();
this.resourceResolver.ResetCache();
this.cssContext = new CssContext();
this.linkContext = new LinkContext();
this.formFieldNameResolver.Reset();
//Reset font provider. PdfFonts shall be reseted.
this.fontProvider.Reset();
this.tempFonts = null;
this.outlineHandler.Reset();
this.processingInlineSvg = false;
}
/// <summary>
/// Instantiates a new
/// <see cref="ProcessorContext"/>
/// instance.
/// </summary>
/// <param name="converterProperties">
/// a
/// <see cref="iText.Html2pdf.ConverterProperties"/>
/// instance
/// </param>
public ProcessorContext(ConverterProperties converterProperties)
{
if (converterProperties == null)
{
converterProperties = new ConverterProperties();
}
state = new State();
deviceDescription = converterProperties.GetMediaDeviceDescription();
if (deviceDescription == null)
{
deviceDescription = MediaDeviceDescription.GetDefault();
}
fontProvider = converterProperties.GetFontProvider();
if (fontProvider == null)
{
fontProvider = new DefaultFontProvider();
}
tagWorkerFactory = converterProperties.GetTagWorkerFactory();
if (tagWorkerFactory == null)
{
tagWorkerFactory = DefaultTagWorkerFactory.GetInstance();
}
cssApplierFactory = converterProperties.GetCssApplierFactory();
if (cssApplierFactory == null)
{
cssApplierFactory = DefaultCssApplierFactory.GetInstance();
}
baseUri = converterProperties.GetBaseUri();
if (baseUri == null)
{
baseUri = "";
}
outlineHandler = converterProperties.GetOutlineHandler();
if (outlineHandler == null)
{
outlineHandler = new OutlineHandler();
}
resourceResolver = new HtmlResourceResolver(baseUri, this, converterProperties.GetResourceRetriever());
limitOfLayouts = converterProperties.GetLimitOfLayouts();
cssContext = new CssContext();
linkContext = new LinkContext();
createAcroForm = converterProperties.IsCreateAcroForm();
formFieldNameResolver = new FormFieldNameResolver();
radioCheckResolver = new RadioCheckResolver();
immediateFlush = converterProperties.IsImmediateFlush();
metaInfo = converterProperties.GetEventCountingMetaInfo();
processingInlineSvg = false;
}
private void ResolveStylesForTree(INode node, ICssResolver cssResolver, CssContext context)
{
if (node is IElementNode)
{
IElementNode element = (IElementNode)node;
element.SetStyles(cssResolver.ResolveStyles((IElementNode)node, context));
if (TagConstants.HTML.Equals(element.Name()))
{
context.SetRootFontSize(element.GetStyles().Get(CssConstants.FONT_SIZE));
}
}
foreach (INode child in node.ChildNodes())
{
ResolveStylesForTree(child, cssResolver, context);
}
}
/// <summary>Processes counters.</summary>
/// <param name="cssProps">the CSS properties</param>
/// <param name="context">the processor context</param>
/// <param name="scope">the scope</param>
public static void ProcessCounters(IDictionary <String, String> cssProps, CssContext context, INode scope)
{
String counterReset = cssProps.Get(CssConstants.COUNTER_RESET);
if (counterReset != null)
{
CssCounterManager counterManager = context.GetCounterManager();
String[] @params = iText.IO.Util.StringUtil.Split(counterReset, " ");
for (int i = 0; i < @params.Length; i++)
{
String counterName = @params[i];
int? possibleCounterValue;
if (i + 1 < @params.Length && (possibleCounterValue = CssUtils.ParseInteger(@params[i + 1])) != null)
{
counterManager.ResetCounter(counterName, (int)possibleCounterValue, scope);
i++;
}
else
{
counterManager.ResetCounter(counterName, scope);
}
}
}
String counterIncrement = cssProps.Get(CssConstants.COUNTER_INCREMENT);
if (counterIncrement != null)
{
CssCounterManager counterManager = context.GetCounterManager();
String[] @params = iText.IO.Util.StringUtil.Split(counterIncrement, " ");
for (int i = 0; i < @params.Length; i++)
{
String counterName = @params[i];
int? possibleIncrementValue;
if (i + 1 < @params.Length && (possibleIncrementValue = CssUtils.ParseInteger(@params[i + 1])) != null)
{
counterManager.IncrementCounter(counterName, (int)possibleIncrementValue, scope);
i++;
}
else
{
counterManager.IncrementCounter(counterName, scope);
}
}
}
}
private static void ProcessIncrement(String counterIncrement, CssContext context)
{
if (counterIncrement != null)
{
CssCounterManager counterManager = context.GetCounterManager();
String[] @params = iText.IO.Util.StringUtil.Split(counterIncrement, " ");
for (int i = 0; i < @params.Length; i++)
{
String counterName = @params[i];
int? possibleIncrementValue;
if (i + 1 < @params.Length && (possibleIncrementValue = CssDimensionParsingUtils.ParseInteger(@params[i +
1])) != null)
{
counterManager.IncrementCounter(counterName, (int)possibleIncrementValue);
i++;
}
else
{
counterManager.IncrementCounter(counterName);
}
}
}
}
private void Test(String fileName, String elementPath, params String[] expectedStyles)
{
String filePath = sourceFolder + fileName;
IXmlParser parser = new JsoupHtmlParser();
IDocumentNode document = parser.Parse(new FileStream(filePath, FileMode.Open, FileAccess.Read), "UTF-8");
ICssResolver cssResolver = new DefaultCssResolver(document, MediaDeviceDescription.CreateDefault(), new ResourceResolver
(""));
CssContext context = new CssContext();
ResolveStylesForTree(document, cssResolver, context);
IElementNode element = FindElement(document, elementPath);
if (element == null)
{
NUnit.Framework.Assert.Fail(MessageFormatUtil.Format("Element at path \"{0}\" was not found.", elementPath
));
}
IDictionary <String, String> elementStyles = element.GetStyles();
ICollection <String> expectedStylesSet = new HashSet <String>(JavaUtil.ArraysAsList(expectedStyles));
ICollection <String> actualStylesSet = StylesMapToHashSet(elementStyles);
NUnit.Framework.Assert.IsTrue(SetsAreEqual(expectedStylesSet, actualStylesSet), GetDifferencesMessage(expectedStylesSet
, actualStylesSet));
}
/// <summary>Starts processing counters.</summary>
/// <remarks>
/// Starts processing counters. Pushes current counter values to counters if necessary.
/// Usually it is expected that this method should be called before processing children of the element.
/// </remarks>
/// <param name="context">the processor context</param>
/// <param name="element">the element which counters shall be processed</param>
public static void StartProcessingCounters(CssContext context, IElementNode element)
{
CssCounterManager counterManager = context.GetCounterManager();
counterManager.PushEveryCounterToCounters(element);
}
public static void ProcessCounters(IDictionary <String, String> cssProps, CssContext context, INode scope)
{
ProcessCounters(cssProps, context);
}
public CssToken(TokenType tokenType, char ch, CssContext context)
: this(tokenType, new string(ch, 1), context)
{
}
public CssToken(TokenType tokenType, string text, CssContext context)
{
m_tokenType = tokenType;
m_text = text;
m_context = context.Clone();
}
/// <summary>Gets the resolved page class node.</summary>
/// <param name="rootNode">the root node</param>
/// <param name="cssResolver">the CSS resolver</param>
/// <param name="context">the CSS context</param>
/// <param name="pageClasses">the page classes</param>
/// <returns>the resolved page class node</returns>
private static PageContextNode GetResolvedPageClassNode(INode rootNode, ICssResolver cssResolver, CssContext
context, params String[] pageClasses)
{
PageContextNode pagesClassNode = new PageContextNode(rootNode);
foreach (String pageClass in pageClasses)
{
pagesClassNode.AddPageClass(pageClass);
}
IDictionary <String, String> pageClassStyles = cssResolver.ResolveStyles(pagesClassNode, context);
pagesClassNode.SetStyles(pageClassStyles);
return(pagesClassNode);
}
/// <summary>Gets the resolved margin boxes.</summary>
/// <param name="pageClassNode">the page contex node</param>
/// <param name="cssResolver">the CSS resolver</param>
/// <param name="context">the CSS context</param>
/// <returns>the resolved margin boxes</returns>
private static IList <PageMarginBoxContextNode> GetResolvedMarginBoxes(PageContextNode pageClassNode, ICssResolver
cssResolver, CssContext context)
{
IList <PageMarginBoxContextNode> resolvedMarginBoxes = new List <PageMarginBoxContextNode>();
foreach (String pageMarginBoxName in pageMarginBoxNames)
{
PageMarginBoxContextNode marginBoxNode = new PageMarginBoxContextNode(pageClassNode, pageMarginBoxName);
IDictionary <String, String> marginBoxStyles = cssResolver.ResolveStyles(marginBoxNode, context);
if (!marginBoxNode.ChildNodes().IsEmpty())
{
marginBoxNode.SetStyles(marginBoxStyles);
resolvedMarginBoxes.Add(marginBoxNode);
}
context.SetQuotesDepth(0);
}
return(resolvedMarginBoxes);
}
public CssToken(TokenType tokenType, char ch, CssContext context)
: this(tokenType, new string(ch, 1), context)
{
}
public CssToken(TokenType tokenType, string text, CssContext context)
{
m_tokenType = tokenType;
m_text = text;
m_context = context.Clone();
}
/// <summary>Ends processing counters.</summary>
/// <remarks>
/// Ends processing counters. Pops values of given counter list from counters if necessary.
/// Usually it is expected that this method should be called after processing cheldren of the element.
/// </remarks>
/// <param name="context">the processor context</param>
/// <param name="element">the element which counters shall be processed</param>
public static void EndProcessingCounters(CssContext context, IElementNode element)
{
CssCounterManager counterManager = context.GetCounterManager();
counterManager.PopEveryCounterFromCounters(element);
}
/// <summary>
/// Resolves a node with a
/// <see cref="PageContextProperties"/>
/// instance as result.
/// </summary>
/// <param name="rootNode">the root node to resolve</param>
/// <param name="cssResolver">the CSS resolver</param>
/// <param name="context">the CSS context</param>
/// <param name="pageClasses">the page classes</param>
/// <returns>
/// the
/// <see cref="PageContextProperties"/>
/// for a specific node
/// </returns>
public static iText.Html2pdf.Attach.Impl.Layout.PageContextProperties Resolve(INode rootNode, ICssResolver
cssResolver, CssContext context, params String[] pageClasses)
{
PageContextNode pageProps = GetResolvedPageClassNode(rootNode, cssResolver, context, pageClasses);
IList <PageMarginBoxContextNode> pagesMarginBoxes = GetResolvedMarginBoxes(pageProps, cssResolver, context);
return(new iText.Html2pdf.Attach.Impl.Layout.PageContextProperties(pageProps, pagesMarginBoxes));
}
private void ReadBuffer(Char[] buffer, Int32 length)
{
for (var i = 0; i < length; i++)
{
currentColumn++;
if (buffer[i] == BreakLine)
{
currentLine++;
currentColumn = 1;
continue;
}
var newIndex = commentary.Interpret(buffer, i, length, currentLine, currentColumn);
if (newIndex > i)
{
currentColumn += newIndex - i;
i = newIndex;
}
if (commentary.IsCommentary || commentary.IsOpen || commentary.IsClose)
{
if (commentary.IsClose)
commentary.Reset();
continue;
}
if (i > length)
break;
switch (buffer[i])
{
case OpenScope:
var ctx = CreateInstanceCssContext(GetCurrentContent());
if (context != null)
context.SetGraph(ctx);
context = ctx;
context.Open(currentLine, currentColumn);
break;
case CloseScope:
context.Parse(GetCurrentContent());
context.Close(currentLine, currentColumn);
context = context.ParentContext;
break;
default:
sb.Append(buffer[i]);
break;
}
}
}