private static bool CheckPagesCounterPresence(CssDeclaration declaration)
{
bool pagesCounterPresent = false;
// MDN: The counters() function can be used with any CSS property, but support for properties other
// than content is experimental, and support for the type-or-unit parameter is sparse.
// iText also does not support counter(pages) anywhere else for now
if (CssConstants.CONTENT.Equals(declaration.GetProperty()))
{
CssDeclarationValueTokenizer tokenizer = new CssDeclarationValueTokenizer(declaration.GetExpression());
CssDeclarationValueTokenizer.Token token;
while ((token = tokenizer.GetNextValidToken()) != null)
{
if (token.IsString())
{
continue;
}
if (token.GetValue().StartsWith(CssConstants.COUNTERS + "("))
{
String paramsStr = token.GetValue().JSubstring(CssConstants.COUNTERS.Length + 1, token.GetValue().Length -
1);
String[] @params = iText.IO.Util.StringUtil.Split(paramsStr, ",");
pagesCounterPresent = pagesCounterPresent || CheckCounterFunctionParamsForPagesReferencePresence(@params);
}
else
{
if (token.GetValue().StartsWith(CssConstants.COUNTER + "("))
{
String paramsStr = token.GetValue().JSubstring(CssConstants.COUNTER.Length + 1, token.GetValue().Length -
1);
String[] @params = iText.IO.Util.StringUtil.Split(paramsStr, ",");
pagesCounterPresent = pagesCounterPresent || CheckCounterFunctionParamsForPagesReferencePresence(@params);
}
else
{
if (token.GetValue().StartsWith(CssConstants.TARGET_COUNTER + "("))
{
String paramsStr = token.GetValue().JSubstring(CssConstants.TARGET_COUNTER.Length + 1, token.GetValue().Length
- 1);
String[] @params = iText.IO.Util.StringUtil.Split(paramsStr, ",");
pagesCounterPresent = pagesCounterPresent || (@params.Length >= TARGET_COUNTER_MIN_PARAMS_SIZE && CheckTargetCounterParamsForPageOrPagesReferencePresence
(@params));
}
else
{
if (token.GetValue().StartsWith(CssConstants.TARGET_COUNTERS + "("))
{
String paramsStr = token.GetValue().JSubstring(CssConstants.TARGET_COUNTERS.Length + 1, token.GetValue().Length
- 1);
String[] @params = iText.IO.Util.StringUtil.Split(paramsStr, ",");
pagesCounterPresent = pagesCounterPresent || (@params.Length >= TARGET_COUNTERS_MIN_PARAMS_SIZE && CheckTargetCounterParamsForPageOrPagesReferencePresence
(@params));
}
}
}
}
}
}
return(pagesCounterPresent);
}
public virtual void ParseBase64SrcTest()
{
CssStyleSheet styleSheet = CssStyleSheetParser.Parse(new FileStream(sourceFolder + "srcs2.css", FileMode.Open
, FileAccess.Read));
CssFontFaceRule fontFaceRule = (CssFontFaceRule)styleSheet.GetStatements()[0];
CssDeclaration src = fontFaceRule.GetProperties()[0];
NUnit.Framework.Assert.AreEqual("src", src.GetProperty(), "src expected");
String[] sources = FontFace.SplitSourcesSequence(src.GetExpression());
NUnit.Framework.Assert.AreEqual(8, sources.Length, "8 sources expected");
for (int i = 0; i < 6; i++)
{
Match m = iText.IO.Util.StringUtil.Match(FontFace.FontFaceSrc.UrlPattern, sources[i]);
NUnit.Framework.Assert.IsTrue(m.Success, "Expression doesn't match pattern: " + sources[i]);
}
for (int i = 6; i < sources.Length; i++)
{
Match m = iText.IO.Util.StringUtil.Match(FontFace.FontFaceSrc.UrlPattern, sources[i]);
NUnit.Framework.Assert.IsFalse(m.Success, "Expression matches pattern (though it shouldn't!): " + sources[
i]);
}
}
private static bool CheckNonPagesTargetCounterPresence(CssDeclaration declaration)
{
bool nonPagesTargetCounterPresent = false;
if (CssConstants.CONTENT.Equals(declaration.GetProperty()))
{
CssDeclarationValueTokenizer tokenizer = new CssDeclarationValueTokenizer(declaration.GetExpression());
CssDeclarationValueTokenizer.Token token;
while ((token = tokenizer.GetNextValidToken()) != null)
{
if (token.IsString())
{
continue;
}
if (token.GetValue().StartsWith(CssConstants.TARGET_COUNTER + "("))
{
String paramsStr = token.GetValue().JSubstring(CssConstants.TARGET_COUNTER.Length + 1, token.GetValue().Length
- 1);
String[] @params = iText.IO.Util.StringUtil.Split(paramsStr, ",");
nonPagesTargetCounterPresent = nonPagesTargetCounterPresent || (@params.Length >= TARGET_COUNTER_MIN_PARAMS_SIZE &&
!CheckTargetCounterParamsForPageOrPagesReferencePresence(@params));
}
else
{
if (token.GetValue().StartsWith(CssConstants.TARGET_COUNTERS + "("))
{
String paramsStr = token.GetValue().JSubstring(CssConstants.TARGET_COUNTERS.Length + 1, token.GetValue().Length
- 1);
String[] @params = iText.IO.Util.StringUtil.Split(paramsStr, ",");
nonPagesTargetCounterPresent = nonPagesTargetCounterPresent || (@params.Length >= TARGET_COUNTERS_MIN_PARAMS_SIZE &&
!CheckTargetCounterParamsForPageOrPagesReferencePresence(@params));
}
}
}
}
return(nonPagesTargetCounterPresent);
}
/// <summary>Checks a CSS declaration.</summary>
/// <param name="declaration">the CSS declaration</param>
/// <returns>true, if the validation was successful</returns>
public static bool CheckDeclaration(CssDeclaration declaration)
{
ICssDeclarationValidator validator = DEFAULT_VALIDATORS.Get(declaration.GetProperty());
return(validator == null || validator.IsValid(declaration));
}
public virtual void SrcPropertyTest()
{
String fontSrc = "web-fonts/droid-serif-invalid.";
CssStyleSheet styleSheet = CssStyleSheetParser.Parse(new FileStream(sourceFolder + "srcs.css", FileMode.Open
, FileAccess.Read));
CssFontFaceRule fontFaceRule = (CssFontFaceRule)styleSheet.GetStatements()[0];
CssDeclaration src = fontFaceRule.GetProperties()[0];
NUnit.Framework.Assert.AreEqual("src", src.GetProperty(), "src expected");
String[] sources = iText.IO.Util.StringUtil.Split(src.GetExpression(), ",");
NUnit.Framework.Assert.AreEqual(27, sources.Length, "27 sources expected");
for (int i = 0; i < sources.Length; i++)
{
Match m = iText.IO.Util.StringUtil.Match(FontFace.FontFaceSrc.UrlPattern, sources[i]);
NUnit.Framework.Assert.IsTrue(m.Success, "Expression doesn't match pattern: " + sources[i]);
String format = iText.IO.Util.StringUtil.Group(m, FontFace.FontFaceSrc.FormatGroup);
String source2 = MessageFormatUtil.Format("{0}({1}){2}", iText.IO.Util.StringUtil.Group(m, FontFace.FontFaceSrc
.TypeGroup), iText.IO.Util.StringUtil.Group(m, FontFace.FontFaceSrc.UrlGroup), format != null ? MessageFormatUtil
.Format(" format({0})", format) : "");
String url = FontFace.FontFaceSrc.Unquote(iText.IO.Util.StringUtil.Group(m, FontFace.FontFaceSrc.UrlGroup)
);
NUnit.Framework.Assert.IsTrue(url.StartsWith(fontSrc), "Invalid url: " + url);
NUnit.Framework.Assert.IsTrue(format == null || FontFace.FontFaceSrc.ParseFormat(format) != FontFace.FontFormat
.None, "Invalid format: " + format);
NUnit.Framework.Assert.AreEqual(sources[i], source2, "Group check fails: ");
FontFace.FontFaceSrc fontFaceSrc = FontFace.FontFaceSrc.Create(sources[i]);
NUnit.Framework.Assert.IsTrue(fontFaceSrc.src.StartsWith(fontSrc), "Invalid url: " + fontSrc);
String type = "url";
if (fontFaceSrc.isLocal)
{
type = "local";
}
NUnit.Framework.Assert.IsTrue(sources[i].StartsWith(type), "Type '" + type + "' expected: " + sources[i]);
switch (fontFaceSrc.format)
{
case FontFace.FontFormat.OpenType: {
NUnit.Framework.Assert.IsTrue(sources[i].Contains("opentype"), "Format " + fontFaceSrc.format + " expected: "
+ sources[i]);
break;
}
case FontFace.FontFormat.TrueType: {
NUnit.Framework.Assert.IsTrue(sources[i].Contains("truetype"), "Format " + fontFaceSrc.format + " expected: "
+ sources[i]);
break;
}
case FontFace.FontFormat.SVG: {
NUnit.Framework.Assert.IsTrue(sources[i].Contains("svg"), "Format " + fontFaceSrc.format + " expected: " +
sources[i]);
break;
}
case FontFace.FontFormat.None: {
NUnit.Framework.Assert.IsFalse(sources[i].Contains("format("), "Format " + fontFaceSrc.format + " expected: "
+ sources[i]);
break;
}
}
}
}