Java Code Examples for com.helger.css.ECSSVersion#CSS30

/**
 * Write a CSS 3.0 declaration to a file using UTF-8 encoding.
 *
 * @param aCSS
 *        The CSS to be written to a file. May not be <code>null</code>.
 * @param aFile
 *        The file to be written. May not be <code>null</code>.
 * @return {@link ESuccess#SUCCESS} if everything went okay, and
 *         {@link ESuccess#FAILURE} if an error occurred
 */
public ESuccess writeCSS30 (final CascadingStyleSheet aCSS, final File aFile)
{
  // 1.param: version to write
  // 2.param: false== non-optimized output
  final CSSWriterSettings aSettings = new CSSWriterSettings (ECSSVersion.CSS30, false);
  try
  {
    final CSSWriter aWriter = new CSSWriter (aSettings);
    // Write the @charset rule: (optional)
    aWriter.setContentCharset (StandardCharsets.UTF_8.name ());
    // Write a nice file header
    aWriter.setHeaderText ("This file was generated by ph-css\nGrab a copy at https://github.com/phax/ph-css");
    // Convert the CSS to a String
    final String sCSSCode = aWriter.getCSSAsString (aCSS);
    // Finally write the String to a file
    return SimpleFileIO.writeFile (aFile, sCSSCode, StandardCharsets.UTF_8);
  }
  catch (final Exception ex)
  {
    LOGGER.error ("Failed to write the CSS to a file", ex);
    return ESuccess.FAILURE;
  }
}
 

@Test
public void testReadSingleLineComments ()
{
  final ECSSVersion eVersion = ECSSVersion.CSS30;
  final Charset aCharset = StandardCharsets.UTF_8;
  final File aFile = new File ("src/test/resources/testfiles/css30/good/artificial/test-singleline-comments.css");
  final CascadingStyleSheet aCSS = CSSReader.readFromFile (aFile, aCharset, eVersion);
  assertNotNull (aCSS);
  assertEquals (13, aCSS.getRuleCount ());
  assertEquals (13, aCSS.getStyleRuleCount ());

  // #any1 - #any5
  assertEquals (2, aCSS.getStyleRuleAtIndex (1).getDeclarationCount ());
  assertEquals (1, aCSS.getStyleRuleAtIndex (2).getDeclarationCount ());
  assertEquals (1, aCSS.getStyleRuleAtIndex (3).getDeclarationCount ());
  assertEquals (0, aCSS.getStyleRuleAtIndex (4).getDeclarationCount ());
  assertEquals (0, aCSS.getStyleRuleAtIndex (5).getDeclarationCount ());
  // .test1 - .test7
  assertEquals (2, aCSS.getStyleRuleAtIndex (6).getDeclarationCount ());
  assertEquals (3, aCSS.getStyleRuleAtIndex (7).getDeclarationCount ());
  assertEquals (1, aCSS.getStyleRuleAtIndex (8).getDeclarationCount ());
  assertEquals (1, aCSS.getStyleRuleAtIndex (9).getDeclarationCount ());
  assertEquals (2, aCSS.getStyleRuleAtIndex (10).getDeclarationCount ());
  assertEquals (2, aCSS.getStyleRuleAtIndex (11).getDeclarationCount ());
  assertEquals (1, aCSS.getStyleRuleAtIndex (12).getDeclarationCount ());
}
 

private static String stripEmbeddableStyles(CascadingStyleSheet styles, String mediaType, boolean prettyPrint) {
    if (styles == null) {
        return "";
    }

    CSSWriterSettings settings = new CSSWriterSettings(ECSSVersion.CSS30);
    settings.setNewLineMode(ENewLineMode.UNIX);

    if (prettyPrint) {
        settings.setIndent(DEFAULT_INDENT);
    } else {
        settings.setOptimizedOutput(true);
    }

    stripEmbeddableRules(styles);

    if (isExactMediaType(mediaType)) {
        stripMediaType(styles, mediaType);
    }

    return toString(styles, settings);
}
 

@Test
public void testBasic ()
{
  final CSSWriterSettings aSettings = new CSSWriterSettings (ECSSVersion.CSS30, false);
  final CSSRGBA aColor = new CSSRGBA (1, 2, 3, 0.5f);
  assertEquals ("rgba(1,2,3,0.5)", aColor.getAsCSSString (aSettings));

  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aColor, new CSSRGBA (aColor));
  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aColor, new CSSRGBA (1, 2, 3, 0.5f));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGBA (0, 2, 3, 0.5f));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGBA (1, 0, 3, 0.5f));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGBA (1, 2, 0, 0.5f));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGBA (1, 2, 3, 0f));
}
 

@Test
public void testReadSpecialGood ()
{
  final ECSSVersion eVersion = ECSSVersion.CSS30;
  final Charset aCharset = StandardCharsets.UTF_8;
  final File aFile = new File ("src/test/resources/testfiles/css21/good/artificial/test-url.css");
  final CascadingStyleSheet aCSS = CSSReader.readFromFile (aFile, aCharset, eVersion);
  assertNotNull (aCSS);

  final String sCSS = new CSSWriter (eVersion, false).getCSSAsString (aCSS);
  assertNotNull (sCSS);
  if (false)
    LOGGER.info (sCSS);
}
 

@Test
public void testAll ()
{
  final CSSWriter aWriter = new CSSWriter (ECSSVersion.CSS30);
  for (final ECSSColor eColor : ECSSColor.values ())
  {
    assertTrue (StringHelper.hasText (eColor.getName ()));
    assertTrue (CSSColorHelper.isColorValue (eColor.getName ()));

    final String sHex = eColor.getAsHexColorValue ();
    assertTrue (sHex, CSSColorHelper.isHexColorValue (sHex));

    final String sRGB = eColor.getAsRGBColorValue ();
    assertTrue (sRGB, CSSColorHelper.isRGBColorValue (sRGB));
    assertNotNull (eColor.getAsRGB ());
    assertEquals (sRGB, aWriter.getCSSAsString (eColor.getAsRGB ()));

    final String sRGBA = eColor.getAsRGBAColorValue (1f);
    assertTrue (sRGBA, CSSColorHelper.isRGBAColorValue (sRGBA));
    assertNotNull (eColor.getAsRGBA (1));
    assertEquals (sRGBA, aWriter.getCSSAsString (eColor.getAsRGBA (1)));

    final String sHSL = eColor.getAsHSLColorValue ();
    assertTrue (sHSL, CSSColorHelper.isHSLColorValue (sHSL));
    assertNotNull (eColor.getAsHSL ());
    assertEquals (sHSL, aWriter.getCSSAsString (eColor.getAsHSL ()));

    final String sHSLA = eColor.getAsHSLAColorValue (1f);
    assertTrue (sHSLA, CSSColorHelper.isHSLAColorValue (sHSLA));
    assertNotNull (eColor.getAsHSLA (1));
    assertEquals (sHSLA, aWriter.getCSSAsString (eColor.getAsHSLA (1)));

    assertSame (eColor, ECSSColor.getFromNameCaseInsensitiveOrNull (eColor.getName ()));
    assertTrue (ECSSColor.isDefaultColorName (eColor.getName ()));
  }
}
 

@Test
public void testBasic ()
{
  final CSSWriterSettings aSettings = new CSSWriterSettings (ECSSVersion.CSS30, false);
  final CSSRGB aColor = new CSSRGB (1, 2, 3);
  assertEquals ("rgb(1,2,3)", aColor.getAsCSSString (aSettings));

  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aColor, new CSSRGB (aColor));
  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aColor, new CSSRGB (1, 2, 3));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGB (0, 2, 3));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGB (1, 0, 3));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSRGB (1, 2, 0));
}
 

@Test
public void testBasic ()
{
  final CSSWriterSettings aSettings = new CSSWriterSettings (ECSSVersion.CSS30, false);
  final CSSHSL aColor = new CSSHSL (1, 2, 3);
  assertEquals ("hsl(1,2%,3%)", aColor.getAsCSSString (aSettings));

  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aColor, new CSSHSL (aColor));
  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aColor, new CSSHSL (1, 2, 3));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSHSL (0, 2, 3));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSHSL (1, 0, 3));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aColor, new CSSHSL (1, 2, 0));
}
 

@Test
public void testBasic ()
{
  final CSSURI aURI = new CSSURI ("a.gif");
  assertEquals ("a.gif", aURI.getURI ());
  final CSSWriterSettings aSettings = new CSSWriterSettings (ECSSVersion.CSS30, false);
  assertEquals ("url(a.gif)", aURI.getAsCSSString (aSettings));
  aSettings.setQuoteURLs (true);
  assertEquals ("url('a.gif')", aURI.getAsCSSString (aSettings));
  assertFalse (aURI.isDataURL ());
  assertNull (aURI.getAsDataURL ());

  CommonsTestHelper.testDefaultImplementationWithEqualContentObject (aURI, new CSSURI ("a.gif"));
  CommonsTestHelper.testDefaultImplementationWithDifferentContentObject (aURI, new CSSURI ("b.gif"));
}
 

@Test
public void testReadSpecialGood ()
{
  final ECSSVersion eVersion = ECSSVersion.CSS30;
  final Charset aCharset = StandardCharsets.UTF_8;
  final File aFile = new File ("src/test/resources/testfiles/css30/good/issue57.css");
  final CascadingStyleSheet aCSS = CSSReader.readFromFile (aFile, aCharset, eVersion);
  assertNotNull (aCSS);

  final String sCSS = new CSSWriter (eVersion, false).getCSSAsString (aCSS);
  assertNotNull (sCSS);
  if (false)
    LOGGER.info (sCSS);
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Test
public void testIndentationNested ()
{
  final CascadingStyleSheet aCSS = CSSReader.readFromString (CSS4, ECSSVersion.CSS30);
  assertNotNull (aCSS);
  final CSSWriterSettings aSettings = new CSSWriterSettings (ECSSVersion.CSS30, false);
  final CSSWriter aWriter = new CSSWriter (aSettings).setWriteHeaderText (false);
  assertEquals ("@media print {\n" +
                "  h1 {\n" +
                "    color:red;\n" +
                "    margin:1px;\n" +
                "  }\n" +
                "\n" +
                "  h2 { color:rgb(1,2,3); }\n" +
                "\n" +
                "  h3 {}\n" +
                "\n" +
                "  @keyframes x {\n" +
                "    from {\n" +
                "      align:left;\n" +
                "      color:#123;\n" +
                "    }\n" +
                "    to { x:y; }\n" +
                "    50% {}\n" +
                "  }\n" +
                "\n" +
                "  @page {\n" +
                "    margin:1in;\n" +
                "    marks:none;\n" +
                "  }\n" +
                "\n" +
                "  @page :first { margin:2in; }\n" +
                "\n" +
                "  @font-face {\n" +
                "    font-family:'Soho';\n" +
                "    src:url(Soho.eot);\n" +
                "  }\n" +
                "\n" +
                "  @font-face { src:local('Soho Gothic Pro'); }\n" +
                "\n" +
                "  @font-face {}\n" +
                "}\n",
                aWriter.getCSSAsString (aCSS));
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}
 

@Nonnull
public ECSSVersion getMinimumCSSVersion ()
{
  return ECSSVersion.CSS30;
}