public virtual void StartElement(String tag, Hashtable h)
{
if (!tagsSupported.ContainsKey(tag))
{
return;
}
style.ApplyStyle(tag, h);
String follow = (String)FactoryProperties.followTags[tag];
if (follow != null)
{
Hashtable prop = new Hashtable();
prop[follow] = null;
cprops.AddToChain(follow, prop);
return;
}
FactoryProperties.InsertStyle(h, cprops);
if (tag.Equals(HtmlTags.ANCHOR))
{
cprops.AddToChain(tag, h);
if (currentParagraph == null)
{
currentParagraph = new Paragraph();
}
stack.Push(currentParagraph);
currentParagraph = new Paragraph();
return;
}
if (tag.Equals(HtmlTags.NEWLINE))
{
if (currentParagraph == null)
{
currentParagraph = new Paragraph();
}
currentParagraph.Add(factoryProperties.CreateChunk("\n", cprops));
return;
}
if (tag.Equals(HtmlTags.HORIZONTALRULE))
{
// Attempting to duplicate the behavior seen on Firefox with
// http://www.w3schools.com/tags/tryit.asp?filename=tryhtml_hr_test
// where an initial break is only inserted when the preceding element doesn't
// end with a break, but a trailing break is always inserted.
bool addLeadingBreak = true;
if (currentParagraph == null)
{
currentParagraph = new Paragraph();
addLeadingBreak = false;
}
if (addLeadingBreak) // Not a new paragraph
{
int numChunks = currentParagraph.Chunks.Count;
if (numChunks == 0 ||
((Chunk)currentParagraph.Chunks[numChunks - 1]).Content.EndsWith("\n"))
{
addLeadingBreak = false;
}
}
String align = (String)h["align"];
int hrAlign = Element.ALIGN_CENTER;
if (align != null)
{
if (Util.EqualsIgnoreCase(align, "left"))
{
hrAlign = Element.ALIGN_LEFT;
}
if (Util.EqualsIgnoreCase(align, "right"))
{
hrAlign = Element.ALIGN_RIGHT;
}
}
String width = (String)h["width"];
float hrWidth = 1;
if (width != null)
{
float tmpWidth = Markup.ParseLength(width, Markup.DEFAULT_FONT_SIZE);
if (tmpWidth > 0)
{
hrWidth = tmpWidth;
}
if (!width.EndsWith("%"))
{
hrWidth = 100; // Treat a pixel width as 100% for now.
}
}
String size = (String)h["size"];
float hrSize = 1;
if (size != null)
{
float tmpSize = Markup.ParseLength(size, Markup.DEFAULT_FONT_SIZE);
if (tmpSize > 0)
{
hrSize = tmpSize;
}
}
if (addLeadingBreak)
{
currentParagraph.Add(Chunk.NEWLINE);
}
currentParagraph.Add(new LineSeparator(hrSize, hrWidth, null, hrAlign, currentParagraph.Leading / 2));
currentParagraph.Add(Chunk.NEWLINE);
return;
}
if (tag.Equals(HtmlTags.CHUNK) || tag.Equals(HtmlTags.SPAN))
{
cprops.AddToChain(tag, h);
return;
}
if (tag.Equals(HtmlTags.IMAGE))
{
String src = (String)h[ElementTags.SRC];
if (src == null)
{
return;
}
cprops.AddToChain(tag, h);
Image img = null;
if (interfaceProps != null)
{
IImageProvider ip = (IImageProvider)interfaceProps["img_provider"];
if (ip != null)
{
img = ip.GetImage(src, h, cprops, document);
}
if (img == null)
{
Hashtable images = (Hashtable)interfaceProps["img_static"];
if (images != null)
{
Image tim = (Image)images[src];
if (tim != null)
{
img = Image.GetInstance(tim);
}
}
else
{
if (!src.StartsWith("http")) // relative src references only
{
String baseurl = (String)interfaceProps["img_baseurl"];
if (baseurl != null)
{
src = baseurl + src;
img = Image.GetInstance(src);
}
}
}
}
}
if (img == null)
{
if (!src.StartsWith("http"))
{
String path = cprops["image_path"];
if (path == null)
{
path = "";
}
src = Path.Combine(path, src);
}
img = Image.GetInstance(src);
}
String align = (String)h["align"];
String width = (String)h["width"];
String height = (String)h["height"];
String before = cprops["before"];
String after = cprops["after"];
if (before != null)
{
img.SpacingBefore = float.Parse(before, System.Globalization.NumberFormatInfo.InvariantInfo);
}
if (after != null)
{
img.SpacingAfter = float.Parse(after, System.Globalization.NumberFormatInfo.InvariantInfo);
}
float actualFontSize = Markup.ParseLength(cprops[ElementTags.SIZE], Markup.DEFAULT_FONT_SIZE);
if (actualFontSize <= 0f)
{
actualFontSize = Markup.DEFAULT_FONT_SIZE;
}
float widthInPoints = Markup.ParseLength(width, actualFontSize);
float heightInPoints = Markup.ParseLength(height, actualFontSize);
if (widthInPoints > 0 && heightInPoints > 0)
{
img.ScaleAbsolute(widthInPoints, heightInPoints);
}
else if (widthInPoints > 0)
{
heightInPoints = img.Height * widthInPoints / img.Width;
img.ScaleAbsolute(widthInPoints, heightInPoints);
}
else if (heightInPoints > 0)
{
widthInPoints = img.Width * heightInPoints / img.Height;
img.ScaleAbsolute(widthInPoints, heightInPoints);
}
img.WidthPercentage = 0;
if (align != null)
{
EndElement("p");
int ralign = Image.MIDDLE_ALIGN;
if (Util.EqualsIgnoreCase(align, "left"))
{
ralign = Image.LEFT_ALIGN;
}
else if (Util.EqualsIgnoreCase(align, "right"))
{
ralign = Image.RIGHT_ALIGN;
}
img.Alignment = ralign;
IImg i = null;
bool skip = false;
if (interfaceProps != null)
{
i = (IImg)interfaceProps["img_interface"];
if (i != null)
{
skip = i.Process(img, h, cprops, document);
}
}
if (!skip)
{
document.Add(img);
}
cprops.RemoveChain(tag);
}
else
{
cprops.RemoveChain(tag);
if (currentParagraph == null)
{
currentParagraph = FactoryProperties.CreateParagraph(cprops);
}
currentParagraph.Add(new Chunk(img, 0, 0));
}
return;
}
EndElement("p");
if (tag.Equals("h1") || tag.Equals("h2") || tag.Equals("h3") || tag.Equals("h4") || tag.Equals("h5") || tag.Equals("h6"))
{
if (!h.ContainsKey(ElementTags.SIZE))
{
int v = 7 - int.Parse(tag.Substring(1));
h[ElementTags.SIZE] = v.ToString();
}
cprops.AddToChain(tag, h);
return;
}
if (tag.Equals(HtmlTags.UNORDEREDLIST))
{
if (pendingLI)
{
EndElement(HtmlTags.LISTITEM);
}
skipText = true;
cprops.AddToChain(tag, h);
List list = new List(false);
try{
list.IndentationLeft = float.Parse(cprops["indent"], System.Globalization.NumberFormatInfo.InvariantInfo);
}catch {
list.Autoindent = true;
}
list.SetListSymbol("\u2022");
stack.Push(list);
return;
}
if (tag.Equals(HtmlTags.ORDEREDLIST))
{
if (pendingLI)
{
EndElement(HtmlTags.LISTITEM);
}
skipText = true;
cprops.AddToChain(tag, h);
List list = new List(true);
try{
list.IndentationLeft = float.Parse(cprops["indent"], System.Globalization.NumberFormatInfo.InvariantInfo);
}catch {
list.Autoindent = true;
}
stack.Push(list);
return;
}
if (tag.Equals(HtmlTags.LISTITEM))
{
if (pendingLI)
{
EndElement(HtmlTags.LISTITEM);
}
skipText = false;
pendingLI = true;
cprops.AddToChain(tag, h);
stack.Push(FactoryProperties.CreateListItem(cprops));
return;
}
if (tag.Equals(HtmlTags.DIV) || tag.Equals(HtmlTags.BODY) || tag.Equals("p"))
{
cprops.AddToChain(tag, h);
return;
}
if (tag.Equals(HtmlTags.PRE))
{
if (!h.ContainsKey(ElementTags.FACE))
{
h[ElementTags.FACE] = "Courier";
}
cprops.AddToChain(tag, h);
isPRE = true;
return;
}
if (tag.Equals("tr"))
{
if (pendingTR)
{
EndElement("tr");
}
skipText = true;
pendingTR = true;
cprops.AddToChain("tr", h);
return;
}
if (tag.Equals("td") || tag.Equals("th"))
{
if (pendingTD)
{
EndElement(tag);
}
skipText = false;
pendingTD = true;
cprops.AddToChain("td", h);
stack.Push(new IncCell(tag, cprops));
return;
}
if (tag.Equals("table"))
{
cprops.AddToChain("table", h);
IncTable table = new IncTable(h);
stack.Push(table);
tableState.Push(new bool[] { pendingTR, pendingTD });
pendingTR = pendingTD = false;
skipText = true;
return;
}
}
public void StartElement(String tag, Hashtable h)
{
if (!tagsSupported.ContainsKey(tag))
{
return;
}
style.ApplyStyle(tag, h);
String follow = (String)FactoryProperties.followTags[tag];
if (follow != null)
{
Hashtable prop = new Hashtable();
prop[follow] = null;
cprops.AddToChain(follow, prop);
return;
}
FactoryProperties.InsertStyle(h);
if (tag.Equals("a"))
{
cprops.AddToChain(tag, h);
if (currentParagraph == null)
{
currentParagraph = new Paragraph();
}
stack.Push(currentParagraph);
currentParagraph = new Paragraph();
return;
}
if (tag.Equals("br"))
{
if (currentParagraph == null)
{
currentParagraph = new Paragraph();
}
currentParagraph.Add(factoryProperties.CreateChunk("\n", cprops));
return;
}
if (tag.Equals("font") || tag.Equals("span"))
{
cprops.AddToChain(tag, h);
return;
}
if (tag.Equals("img"))
{
String src = (String)h["src"];
if (src == null)
{
return;
}
cprops.AddToChain(tag, h);
Image img = null;
if (interfaceProps != null)
{
Hashtable images = (Hashtable)interfaceProps["img_static"];
if (images != null)
{
Image tim = (Image)images[src];
if (tim != null)
{
img = Image.GetInstance(tim);
}
}
else
{
if (!src.StartsWith("http")) // relative src references only
{
String baseurl = (String)interfaceProps["img_baseurl"];
if (baseurl != null)
{
src = baseurl + src;
img = Image.GetInstance(src);
}
}
}
}
if (img == null)
{
if (!src.StartsWith("http"))
{
String path = cprops["image_path"];
if (path == null)
{
path = "";
}
src = Path.Combine(path, src);
}
img = Image.GetInstance(src);
}
String align = (String)h["align"];
String width = (String)h["width"];
String height = (String)h["height"];
String before = cprops["before"];
String after = cprops["after"];
if (before != null)
{
img.SpacingBefore = float.Parse(before, System.Globalization.NumberFormatInfo.InvariantInfo);
}
if (after != null)
{
img.SpacingAfter = float.Parse(after, System.Globalization.NumberFormatInfo.InvariantInfo);
}
float wp = LengthParse(width, (int)img.Width);
float lp = LengthParse(height, (int)img.Height);
if (wp > 0 && lp > 0)
{
img.ScalePercent(wp > lp ? lp : wp);
}
else if (wp > 0)
{
img.ScalePercent(wp);
}
else if (lp > 0)
{
img.ScalePercent(lp);
}
img.WidthPercentage = 0;
if (align != null)
{
EndElement("p");
int ralign = Image.MIDDLE_ALIGN;
if (Util.EqualsIgnoreCase(align, "left"))
{
ralign = Image.LEFT_ALIGN;
}
else if (Util.EqualsIgnoreCase(align, "right"))
{
ralign = Image.RIGHT_ALIGN;
}
img.Alignment = ralign;
IImg i = null;
bool skip = false;
if (interfaceProps != null)
{
i = (IImg)interfaceProps["img_interface"];
if (i != null)
{
skip = i.Process(img, h, cprops, document);
}
}
if (!skip)
{
document.Add(img);
}
cprops.RemoveChain(tag);
}
else
{
cprops.RemoveChain(tag);
if (currentParagraph == null)
{
currentParagraph = FactoryProperties.CreateParagraph(cprops);
}
currentParagraph.Add(new Chunk(img, 0, 0));
}
return;
}
EndElement("p");
if (tag.Equals("h1") || tag.Equals("h2") || tag.Equals("h3") || tag.Equals("h4") || tag.Equals("h5") || tag.Equals("h6"))
{
if (!h.ContainsKey("size"))
{
int v = 7 - int.Parse(tag.Substring(1));
h["size"] = v.ToString();
}
cprops.AddToChain(tag, h);
return;
}
if (tag.Equals("ul"))
{
if (pendingLI)
{
EndElement("li");
}
skipText = true;
cprops.AddToChain(tag, h);
List list = new List(false, 10);
list.SetListSymbol("\u2022");
stack.Push(list);
return;
}
if (tag.Equals("ol"))
{
if (pendingLI)
{
EndElement("li");
}
skipText = true;
cprops.AddToChain(tag, h);
List list = new List(true, 10);
stack.Push(list);
return;
}
if (tag.Equals("li"))
{
if (pendingLI)
{
EndElement("li");
}
skipText = false;
pendingLI = true;
cprops.AddToChain(tag, h);
stack.Push(FactoryProperties.CreateListItem(cprops));
return;
}
if (tag.Equals("div") || tag.Equals("body"))
{
cprops.AddToChain(tag, h);
return;
}
if (tag.Equals("pre"))
{
if (!h.ContainsKey("face"))
{
h["face"] = "Courier";
}
cprops.AddToChain(tag, h);
isPRE = true;
return;
}
if (tag.Equals("p"))
{
cprops.AddToChain(tag, h);
currentParagraph = FactoryProperties.CreateParagraph(h);
return;
}
if (tag.Equals("tr"))
{
if (pendingTR)
{
EndElement("tr");
}
skipText = true;
pendingTR = true;
cprops.AddToChain("tr", h);
return;
}
if (tag.Equals("td") || tag.Equals("th"))
{
if (pendingTD)
{
EndElement(tag);
}
skipText = false;
pendingTD = true;
cprops.AddToChain("td", h);
stack.Push(new IncCell(tag, cprops));
return;
}
if (tag.Equals("table"))
{
cprops.AddToChain("table", h);
IncTable table = new IncTable(h);
stack.Push(table);
tableState.Push(new bool[] { pendingTR, pendingTD });
pendingTR = pendingTD = false;
skipText = true;
return;
}
}