private bool UpdateCssPath(bool foundFirstCss, IDomObject element)
{
if (foundFirstCss == false)
{
element.SetAttribute("href", Globals.FullPath(_styleBundle.Path));
}
else
{
element.Remove();
}
return(true);
}
private bool UpdateJavascriptPath(bool foundFirstScript, IDomObject element)
{
if (foundFirstScript == false)
{
element.SetAttribute("src", Globals.FullPath(_scriptBundle.Path));
}
else
{
//Just make this local, cost of removing from dom is expensive
element.RemoveAttribute("src");
//element.Remove();
}
return(true);
}
private bool UpdateJavascriptPath(bool foundFirstScript, IDomObject element)
{
if (foundFirstScript == false)
{
element.SetAttribute("src", Globals.FullPath(_scriptBundle.Path));
}
else
{
//Just make this local, cost of removing from dom is expensive
element.RemoveAttribute("src");
//element.Remove();
}
return true;
}
private static void PrepareAttribute(IDomObject domElement, AttributeToCss attributeToCss)
{
string name = attributeToCss.AttributeName;
string value = attributeToCss.CssValue;
//When rendering images, we need to prevent breaking the WIDTH and HEIGHT attributes. See PreMailerTests.MoveCssInline_HasStyle_DoesNotBreakImageWidthAttribute().
//The old code could end up writing an image tag like <img width="206px"> which violates the HTML spec. It should render <img width="206">.
if (domElement.NodeName == @"IMG" &&
(name == "width" || name == "height") &&
value.EndsWith("px"))
{
value = value.Replace("px", string.Empty);
}
domElement.SetAttribute(name, value);
}
private static void PrepareAttribute(IDomObject domElement, AttributeToCss attributeToCss)
{
string name = attributeToCss.AttributeName;
string value = attributeToCss.CssValue;
//When rendering images, we need to prevent breaking the WIDTH and HEIGHT attributes. See PreMailerTests.MoveCssInline_HasStyle_DoesNotBreakImageWidthAttribute().
//The old code could end up writing an image tag like <img width="206px"> which violates the HTML spec. It should render <img width="206">.
if (domElement.NodeName == @"IMG"
&& (name == "width" || name == "height")
&& value.EndsWith("px"))
{
value = value.Replace("px", string.Empty);
}
domElement.SetAttribute(name, value);
}
/// <summary>
/// Parse an HTML attribute construct: {x=["|']y["|]]} or just {x}) and add the attribute to the
/// current element if successful. The placeholder should be tag opening construct but after the
/// tag name. Upon exit it will be positioned after last character of attribute, or positioned
/// ON closing caret of tag opener if failed.
/// </summary>
///
/// <param name="html">
/// The HTML
/// </param>
///
/// <returns>
/// true if it succeeds, false if it fails.
/// </returns>
public bool GetTagAttribute(char[] html)
{
bool finished = false;
int step = 0;
string aName = null;
string aValue = null;
int nameStart = -1;
int valStart = -1;
bool isQuoted = false;
char quoteChar = ' ';
int len = html.Length;
while (!finished && Pos < len)
{
char c = html[Pos];
switch (step)
{
case 0: // find name
if (CharacterData.IsType(c, CharacterType.HtmlTagNameStart))
{
step = 1;
nameStart = Pos;
Pos++;
}
else if (CharacterData.IsType(c, CharacterType.HtmlTagAny))
{
finished = true;
}
else
{
Pos++;
}
break;
case 1:
if (!CharacterData.IsType(c, CharacterType.HtmlTagNameExceptStart))
{
step = 2;
aName = html.SubstringBetween(nameStart, Pos);
}
else
{
Pos++;
}
break;
case 2: // find value
if (CharacterData.IsType(c, CharacterType.HtmlSpace))
{
Pos++;
break;
}
else if (c == '=')
{
step = 3;
Pos++;
}
else
{
// anything else means new attribute
finished = true;
break;
}
break;
case 3: // find quote start
if (CharacterData.IsType(c, CharacterType.HtmlSpace))
{
Pos++;
break;
}
else
{
switch (c)
{
case '\\':
case '>':
finished = true;
break;
case '"':
case '\'':
isQuoted = true;
valStart = Pos + 1;
Pos++;
quoteChar = c;
step = 4;
break;
default:
valStart = Pos;
step = 4;
break;
}
}
break;
case 4: // parse the attribute until whitespace or closing quote
if ((isQuoted && c == quoteChar) ||
(!isQuoted && CharacterData.IsType(c, CharacterType.HtmlTagOpenerEnd)))
{
aValue = html.SubstringBetween(valStart, Pos);
if (isQuoted)
{
isQuoted = false;
Pos++;
}
finished = true;
}
else
{
Pos++;
}
break;
}
}
if (aName != null)
{
// 12-15-11 - don't replace a valid attribute with a bad one
if (!Element.HasAttribute(aName))
{
if (aValue == null)
{
Element.SetAttribute(aName);
}
else
{
Element.SetAttribute(aName, aValue);
}
}
return(true);
}
else
{
return(false);
}
}
private bool UpdateCssPath(bool foundFirstCss, IDomObject element)
{
if (foundFirstCss == false)
{
element.SetAttribute("href", Globals.FullPath(_styleBundle.Path));
}
else
{
element.Remove();
}
return true;
}