org.apache.myfaces.trinidadinternal.skin.SkinStyleSheetParserUtils Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of trinidad-impl Show documentation
Show all versions of trinidad-impl Show documentation
Private implementation of the Apache MyFaces Trinidad project
The newest version!
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.trinidadinternal.skin;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import java.util.regex.Pattern;
import org.apache.myfaces.trinidad.logging.TrinidadLogger;
import org.apache.myfaces.trinidad.share.io.InputStreamProvider;
import org.apache.myfaces.trinidad.share.io.NameResolver;
import org.apache.myfaces.trinidad.util.URLUtils;
import org.apache.myfaces.trinidadinternal.share.xml.ParseContext;
import org.apache.myfaces.trinidadinternal.share.xml.XMLUtils;
import org.apache.myfaces.trinidadinternal.style.util.CSSUtils;
import org.apache.myfaces.trinidadinternal.style.util.StyleUtils;
import org.apache.myfaces.trinidadinternal.style.xml.parse.IconNode;
import org.apache.myfaces.trinidadinternal.style.xml.parse.IncludeCompactPropertyNode;
import org.apache.myfaces.trinidadinternal.style.xml.parse.IncludePropertyNode;
import org.apache.myfaces.trinidadinternal.style.xml.parse.IncludeStyleNode;
import org.apache.myfaces.trinidadinternal.style.xml.parse.PropertyNode;
import org.apache.myfaces.trinidadinternal.style.xml.parse.StyleNode;
import org.apache.myfaces.trinidadinternal.style.xml.parse.StyleSheetDocument;
import org.apache.myfaces.trinidadinternal.style.xml.parse.StyleSheetNode;
import org.apache.myfaces.trinidadinternal.util.nls.LocaleUtils;
/**
* Utility class for creating a StyleSheetDocument.
* The main method is parseCSSSource which creates a StyleSheetEntry.
* The interim object is SkinStyleSheetNode
* @version $Name: $ ($Revision: adfrt/faces/adf-faces-impl/src/main/java/oracle/adfinternal/view/faces/skin/SkinStyleSheetParserUtils.java#0 $) $Date: 10-nov-2005.18:59:00 $
*/
class SkinStyleSheetParserUtils
{
/**
* Parses a Skin style-sheet that is in the CSS-3 format.
* @param context the current ParseContext. Simply a place to set/get properties
* @param resolver a NameResolver to locate the target
* ( Given a name, returns an InputStreamProvider.)
* @param sourceName the name of the target, relative to the current file
* @param expectedType the expected Java type of the target.
*/
static public StyleSheetEntry parseCSSSource(
ParseContext context,
NameResolver resolver,
String sourceName,
Class expectedType) throws IOException
{
if (expectedType == null)
throw new NullPointerException();
if (resolver == null)
throw new NullPointerException();
if (sourceName == null)
throw new NullPointerException();
if (context == null)
throw new NullPointerException();
InputStreamProvider provider = resolver.getProvider(sourceName);
Object cached = provider.getCachedResult();
if ((cached != null) && expectedType.isInstance(cached))
return (StyleSheetEntry)cached;
InputStream stream = provider.openInputStream();
try
{
// Store a resolver relative to the file we're about to parse. This will be used for imports.
// Store the inputStreamProvider on the context;
// this will be used to get the document's timestamp later on
XMLUtils.setResolver(context, resolver.getResolver(sourceName));
XMLUtils.setInputStreamProvider(context, provider);
// PARSE!
// create a SkinStyleSheetNode
// (contains a namespaceMap and a List of SkinSelectorPropertiesNodes
// and additional information like direction, locale, etc.)
// (selectorName + a css propertyList))
BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
SkinCSSParser parser = new SkinCSSParser();
// Send over the ParseContext so that we can get the resolver from it in case we encounter
// an @import in the CSS file.
SkinCSSDocumentHandler documentHandler = new SkinCSSDocumentHandler(context);
parser.parseCSSDocument(reader, documentHandler);
List skinSSNodeList = documentHandler.getSkinStyleSheetNodes();
reader.close();
// process the SkinStyleSheetNodes to create a StyleSheetEntry object
StyleSheetEntry styleSheetEntry =
_createStyleSheetEntry(context, sourceName, skinSSNodeList);
// Store the cached result (if successful)
// otherwise, if we don't do this, we will keep reparsing. Somehow
// this affects whether the file has been modified. STRANGE!
// if (value != null)
// provider.setCachedResult(value);
// return value;
provider.setCachedResult(styleSheetEntry);
return styleSheetEntry;
}
finally
{
stream.close();
}
}
/**
* Trim the leading/ending quotes, if any.
* We trim only matching quotes, as opposed to trimQuotes which trims any quotes.
*/
public static String trimQuotes(String in)
{
if ( in == null )
return in;
boolean startsWithDoubleQuote = in.startsWith( "\"" );
boolean startsWithSingleQuote = in.startsWith( "\'" );
boolean endsWithDoubleQuote = in.endsWith( "\"" );
boolean endsWithSingleQuote = in.endsWith( "\'" );
if (( startsWithDoubleQuote && endsWithSingleQuote ) ||
( startsWithSingleQuote && endsWithDoubleQuote ))
{
if (_LOG.isWarning())
_LOG.warning("ERR_PARSING", in);
}
if ( startsWithDoubleQuote && endsWithDoubleQuote )
return in.substring( 1, in.length() - 1 );
if ( startsWithSingleQuote && endsWithSingleQuote )
return in.substring( 1, in.length() - 1 );
return in;
}
/**
* Given a List of SkinStyleSheetNode, create StyleSheetEntry.
* A StyleSheetEntry is an object that contains:
* styleSheetName, StyleSheetDocument
* A StyleSheetDocument contains StyleSheetNodes. A StyleSheetNode contains
* StyleNodes, IconNodes, and SkinPropertyNodes and additional info like
* the direction, locale, etc. for this list of selectors.
* @param context
* @param sourceName
* @param skinSSNodeList
* @return
*/
private static StyleSheetEntry _createStyleSheetEntry(
ParseContext context,
String sourceName,
List skinSSNodeList
)
{
// Get each SkinStyleSheetNode, and for each SkinStyleSheetNode get a
// styleNodeList. Also, build one iconNodeList and one skinPropertyNodeList.
// initialize
List ssNodeList = new ArrayList();
String baseSourceURI = CSSUtils.getBaseSkinStyleSheetURI(sourceName);
// loop through the selectors and its properties
for (SkinStyleSheetNode skinSSNode : skinSSNodeList)
{
// selector and its properties
List selectorNodeList =
skinSSNode.getSelectorNodeList();
//Map namespaceMap = styleSheetNode.getNamespaceMap();
// initialize
List styleNodeList = new ArrayList();
List iconNodeList = new ArrayList();
// process each selector and all its name+values
for (SkinSelectorPropertiesNode cssSelector : selectorNodeList)
{
String selectorName = cssSelector.getSelectorName();
// PropertyNode is the name+value, like font-size: 8px
List propertyList = cssSelector.getPropertyNodes();
int direction = skinSSNode.getDirection();
ResolvedSkinProperties resolvedProperties =
_resolveProperties(propertyList);
// trSkinPropertyNodeList, e.g., af|foo {-tr-show-last-item: true}
// PropertyNode(-tr-show-last-item, true)
List trSkinPropertyNodeList = new ArrayList();
trSkinPropertyNodeList = resolvedProperties.getSkinPropertyNodeList();
List noTrPropertyList =
resolvedProperties.getNoTrPropertyList();
if (StyleUtils.isIcon(selectorName))
{
// knock off the '.' if it is the first character.
if (selectorName.charAt(0) == '.')
selectorName = selectorName.substring(1);
// strip out :alias
selectorName = selectorName.replaceFirst(":alias", "");
// add :rtl if the direction is rtl
if (direction == LocaleUtils.DIRECTION_RIGHTTOLEFT)
selectorName = selectorName.concat(StyleUtils.RTL_CSS_SUFFIX);
// create an IconNode object and add it to the iconNodeList
// This method returns hasContentProperty=false if there isn't a content attribute.
boolean hasContentProperty = _addIconNode(sourceName,
baseSourceURI,
selectorName,
noTrPropertyList,
resolvedProperties.getTrRuleRefList(),
resolvedProperties.getInhibitedProperties(),
iconNodeList);
if (!hasContentProperty)
{
// if it doesn't have any includes AND it doesn't have properties, it shouldn't pass
// the _isIcon test, so log a warning. This means the developer used the wrong
// selector name. It should end in 'icon-style' instead of 'icon', for example.
if (resolvedProperties.getTrRuleRefList() == null ||
resolvedProperties.getTrRuleRefList().isEmpty())
{
if (_LOG.isWarning())
_LOG.warning("SELECTOR_SHOULD_NOT_END_IN_ICON", selectorName);
}
_addStyleNode(selectorName,
noTrPropertyList,
trSkinPropertyNodeList,
resolvedProperties.getTrRuleRefList(),
resolvedProperties.getIncludedPropertiesList(),
resolvedProperties.getIncludedCompactPropertiesList(),
resolvedProperties.getInhibitedProperties(),
resolvedProperties.isTrTextAntialias(),
styleNodeList);
}
}
else
{
_addStyleNode(selectorName,
noTrPropertyList,
trSkinPropertyNodeList,
resolvedProperties.getTrRuleRefList(),
resolvedProperties.getIncludedPropertiesList(),
resolvedProperties.getIncludedCompactPropertiesList(),
resolvedProperties.getInhibitedProperties(),
resolvedProperties.isTrTextAntialias(),
styleNodeList);
}
}
if ((styleNodeList.size() > 0) || (iconNodeList.size() > 0))
{
// we need to deal with the styleNodeList by building a StyleSheetNode
// with this information.
// create a StyleSheetNode, add to the ssNodeList
StyleNode[] styleNodeArray = styleNodeList.toArray(new StyleNode[0]);
StyleSheetNode ssNode =
new StyleSheetNode(styleNodeArray,
iconNodeList,
skinSSNode.getLocales(),
skinSSNode.getDirection(),
skinSSNode.getAgentMatcher(),
skinSSNode.getPlatforms(),
skinSSNode.getMode(),
skinSSNode.getAcessibilityProperties());
ssNodeList.add(ssNode);
}
} // end for each SkinStyleSheetNode
// StyleSheetDocument contains StyleSheetNode[] styleSheets
StyleSheetDocument ssDocument =
_createStyleSheetDocument(context, ssNodeList);
return new StyleSheetEntry(sourceName,
ssDocument);
}
/**
* Loop thru every property in the propertyList and store them in
* the ResolvedSkinProperties inner class.
* @param propertyNodeList
* @return
*/
private static ResolvedSkinProperties _resolveProperties(
List propertyNodeList)
{
List noTrPropertyList = new ArrayList();
List trRuleRefList = new ArrayList();
Set inhibitedPropertySet = new TreeSet();
List includedPropertiesList =
new ArrayList();
List includedCompactPropertiesList =
new ArrayList();
List skinPropertyNodeList =
new ArrayList();
boolean trTextAntialias = false;
// loop through each property in the propertyList
// and resolve into
// noTrPropertyList (properties that do not start with -tr-.
// (or -ora- for backwards compatibility))
// trRuleRefList (properties that start with -tr-rule-ref
// (or -ora-rule-ref for backwards compatibility))
// boolean trTextAntialias (property value for -tr-text-antialias
// (or -ora-text-antialias for backwards compatibility)
// skinPropertyNodeList (all other properties that start with -tr-
// (or -ora- for backwards compatibility))
// includedPropertiesList (all the included property 'values')
// These properties are stored in the ResolvedSkinProperties inner class.
for(PropertyNode propertyNode : propertyNodeList)
{
String propertyName = propertyNode.getName();
String propertyValue = propertyNode.getValue();
if(propertyName != null && propertyValue != null)
{
// Check for special propertyNames (-tr-rule-ref, -tr- skin properties)
// or propertyValue (-tr-property-ref)
// Check for -tr-property-ref first, either regular or compact
if(propertyValue.indexOf(_INCLUDE_PROPERTY) != -1)
{
List values = separateCompactValues(propertyValue);
// border-color: -tr-property-ref(...) versus border: 1px solid -tr-property-ref();
if (values.size() == 1)
{
// include property
IncludePropertyNode node = _createIncludePropertyNode(
propertyName, propertyValue.substring(_INCLUDE_PROPERTY.length()));
includedPropertiesList.add(node);
}
else
{
// include compact property
List compactIncludePropNodes = new ArrayList();
StringBuilder builder = new StringBuilder();
for (String value : values)
{
if (value.startsWith(_INCLUDE_PROPERTY))
{
IncludePropertyNode node = _createIncludePropertyNode(
propertyName, value.substring(_INCLUDE_PROPERTY.length()));
compactIncludePropNodes.add(node);
}
else
{
builder.append(value);
builder.append(" ");
}
}
IncludeCompactPropertyNode iCPNode =
new IncludeCompactPropertyNode(builder.toString(),
compactIncludePropNodes, propertyName);
includedCompactPropertiesList.add(iCPNode);
}
}
else
{
boolean oraProperty = propertyName.startsWith(_ORA_PROPERTY_PREFIX);
boolean trProperty = propertyName.startsWith(_TR_PROPERTY_PREFIX);
if( oraProperty || trProperty)
{
int suffixIndex = (oraProperty)?_ORA_PROPERTY_PREFIX.length(): _TR_PROPERTY_PREFIX.length();
String propertyNameSuffix = propertyName.substring(suffixIndex);
if (propertyNameSuffix.equals(_PROPERTY_RULE_REF))
{
// add the rule ref value to the list
trRuleRefList.add(propertyValue);
}
else if (propertyNameSuffix.equals(_PROPERTY_TEXT_ANTIALIAS))
{
if ("true".equals(propertyValue))
trTextAntialias = true;
}
else if (propertyNameSuffix.equals(_PROPERTY_INHIBIT))
{
for (String value : _SPACE_PATTERN.split(propertyValue))
{
inhibitedPropertySet.add(value);
}
}
else
{
// create the PropertyNode for skin properties (e.g., -tr-show-last-item: true)
PropertyNode node = new PropertyNode(propertyName, propertyValue);
skinPropertyNodeList.add(node);
}
}
else
{
noTrPropertyList.add(propertyNode);
}
}
}
}
return new ResolvedSkinProperties(
noTrPropertyList,
trRuleRefList,
includedPropertiesList,
includedCompactPropertiesList,
inhibitedPropertySet,
skinPropertyNodeList,
trTextAntialias);
}
private static List separateCompactValues(String propertyValue)
{
String[] test = _SPACE_PATTERN.split(propertyValue);
List propertyValueNoSpaces = new ArrayList();
boolean inTr = false;
int inTrIndex = 0;
for (int i=0; i < test.length; i++)
{
String string = test[i];
if (string.startsWith(_INCLUDE_PROPERTY) && !string.endsWith(")"))
{
// keep looping through the pieces
// until we get to a string that endsWith ")".
inTr = true;
inTrIndex = i;
}
else if (inTr)
{
if (string.endsWith(")"))
{
StringBuilder builder = new StringBuilder();
for (int j=inTrIndex; j <= i; j++)
{
builder.append(test[j]);
}
inTr = false;
propertyValueNoSpaces.add(builder.toString());
}
}
else
{
propertyValueNoSpaces.add(string);
}
}
return propertyValueNoSpaces;
}
/**
* Create an IconNode and add it to the iconNodeList.
* @param sourceName
* @param baseSourceURI
* @param selectorName
* @param trRuleRefList -> This is -tr-rule-ref: selector().
* Currently not supported for icons. See https://issues.apache.org/jira/browse/TRINIDAD-17
* @param noTrPropertyNodeList -> these are properties, like width: 100px.
* @param iconNodeList Once the IconNode is created, it is added to the iconNodeList to be
* used outside this method.
* @return boolean Returns true if an IconNode was created and added to iconNodeList.
* If false, then it means that the properties did not contain 'content',
* so it only had css styles. It could have a -tr-rule-ref that includes a 'content'.
* TODO what to do about that???
*/
private static boolean _addIconNode(
String sourceName,
String baseSourceURI,
String selectorName,
List noTrPropertyNodeList,
List trRuleRefList,
Set inhibitedProperties,
List iconNodeList)
{
// these are icon properties.
// create an IconNode.
// get content property value. This is how i decide if it is an url or a text icon.
//
// loop through all the properties
// TextIcons take text, rtlText, inlineStyle, styleClass
// url icons take uri, rtluri, width, height, styleClass, inlineStyle
// Icon selectors that end with :rtl will be a separate Icon object.
// I won't combine :rtl icons with regular icons into the same object
// like we did in 2.2.
// af|breadCrumbs::separatorIcon {content: ">"}
// af|breadCrumbs::separatorIcon:rtl {content: "<"}
// this will create
// key=af|breadCrumbs::separatorIcon with TextIcon(">", ">", style, inlineStyle)
// and
// key=af|breadCrumbs::separatorIcon:rtl with TextIcon("<", "<", rtlstyle, rtlinlineStyle)
// then when I go to get the icon af|breadCrumbs::separatorIcon, the skin
// will know to ask for af|breadCrumbs::separatorIcon:rtl or af|breadCrumbs::separatorIcon
// depending upon the DIRECTION that is set on the context.
// The current Icon classes code will not have to change.
boolean hasContentProperty = false;
// Create the propertyNode array now.
PropertyNode[] propertyNodeArray = new PropertyNode[noTrPropertyNodeList.size()];
int i = 0;
// Loop through each property until we find the 'content' property, then change the url to
// something we can use in StyleSheetDocument.
for(PropertyNode propertyNode : noTrPropertyNodeList)
{
String propertyName = propertyNode.getName();
String propertyValue = propertyNode.getValue();
// fix up the url
if (propertyName.equals("content") && propertyValue != null)
{
hasContentProperty = true;
// is it a text or uri
if (_isURLValue(propertyValue))
{
// get the string that is inside of the 'url()'
String uriString = _getURIString(propertyValue);
boolean isAbsoluteURI = CSSUtils.isAbsoluteURI(uriString);
// a leading / indicates context-relative
// (auto-prefix the servlet context)
// a leading // indicates server-relative
// (don't auto-prefix the servlet context).
if (!isAbsoluteURI)
{
boolean startsWithTwoSlashes = uriString.startsWith("//");
if (!startsWithTwoSlashes && uriString.startsWith("/"))
{
uriString = uriString.substring(1);
}
else
{
// a. if it has two slashes, strip off one.
// b. if it is an absolute url, don't do anything
// c. if it a relative url, then it should be relative to
// the skin file since they wrote the relative url in the skin file.
if (startsWithTwoSlashes)
uriString = uriString.substring(1);
else
uriString = CSSUtils.getAbsoluteURIValue(sourceName, baseSourceURI, uriString);
}
}
// At this point, URIImageIcons start with '/' or 'http:',
// whereas ContextImageIcons uri do not. This is how we will know which type of
// Icon to create in StyleSheetDocument. Wrap back up with the 'url()' string so that
// we will know this is not a TextIcon.
propertyNodeArray[i] = new PropertyNode(propertyName, _wrapWithURLString(uriString));
}
else if (propertyValue.startsWith("inhibit"))
{
propertyNodeArray[i] = new PropertyNode(propertyName, propertyValue);
}
else
{
String text = trimQuotes(propertyValue);
propertyNodeArray[i] = new PropertyNode(propertyName, text);
}
} // end if 'content'
else
propertyNodeArray[i] = new PropertyNode(propertyName, propertyValue);
i++;
}
// TODO - Add -tr-rule-ref capability for icons.
// I purposely do not include the -tr-rule-ref at this time.
// See TRINIDAD-17 for details why. There is a hitch. Even though we treat selectors
// with -icon as Icon objects, if there is no content attribute, we also treat them as styles.
// Well, if they use -tr-rule-ref to import 'content', then we will think it is a style,
// and we'll have extra styles. Yet we don't want to resolve selectors just to see if it is
// really an icon. But we don't want to hurt the person that didn't abide by the -icon rule
// because this wasn't an enforced rule.
//
// if the trRuleRefList is not empty, create IncludeStyleNodes.
List includeStyleNodes = new ArrayList();
for(String value : trRuleRefList)
{
// parse the value, which will be of this form:
// -tr-rule-ref: selector(".AFBaseFont:alias") selector(".Foo")
// where you have more than one selector in an -tr-rule-ref definition
// or -tr-rule-ref: selector(".AFBaseFont:alias")
// where you have only one selector in an -tr-rule-ref definition.
// I want each selector value to be an IncludeStyleNode.
_addIncludeStyleNodes(value, includeStyleNodes);
}
if (selectorName != null)
{
// Create a styleNode that we will add to the IconNode.
StyleNode styleNode =
new StyleNode(null, // name
selectorName,
propertyNodeArray,
null, //TODO jmw trSkinPropertyNodes for icons
includeStyleNodes.toArray(new IncludeStyleNode[0]),
null, //TODO jmw includePropertyNodes for icons
null, //TODO jmw includeCompactPropertyNodes for icons
inhibitedProperties
);
// Create a new IconNode.
// don't bother creating the Icon object now (the second property to new IconNode());
// we create the Icon object when we resolve IconNodes in StyleSheetDocument
// See StyleSheetDocument#getIcons(StyleContext context).
iconNodeList.add(new IconNode(selectorName, null, styleNode));
}
return hasContentProperty;
}
/**
* Creates a StyleNode object and adds it to the styleNodeList.
* The StyleNode object gets completely resolved (the trRuleRefList, includeProperyNodes, etc.,
* get resolved in StyleSheetDocument#_resolveStyleNode). The StyleNode here is the unresolved
* StyleNode - basically what we have in the skin css file.
* @param selectorName
* @param propertyNodeList
* @param skinPropertyNodeList
* @param trRuleRefList
* @param includePropertyNodes
* @param includeCompactPropertyNodes
* @param inhibitedProperties
* @param trTextAntialias
* @param styleNodeList Once the StyleNode is created, it is added to the iconNodeList to be
* used outside this method.
*
*/
private static void _addStyleNode(
String selectorName,
List propertyNodeList,
List skinPropertyNodeList,
List trRuleRefList,
List includePropertyNodes,
List includeCompactPropertyNodes,
Set inhibitedProperties,
boolean trTextAntialias,
List styleNodeList)
{
StyleNode styleNode = _createStyleNode(selectorName, propertyNodeList, skinPropertyNodeList,
trRuleRefList,
includePropertyNodes,
includeCompactPropertyNodes,
inhibitedProperties,
trTextAntialias);
styleNodeList.add(styleNode);
}
private static StyleNode _createStyleNode(
String selectorName,
List propertyNodeList,
List skinPropertyNodeList,
List trRuleRefList,
List includePropertyNodes,
List includeCompactPropertyNodes,
Set inhibitedProperties,
boolean trTextAntialias)
{
// these are the styles.
// At this point I have a selector name and the properties.
// create a StyleNode based on this information.
String name = null;
String selector = null;
int aliasIndex = selectorName.indexOf(":alias");
if (aliasIndex > -1)
{
// :alias means do not output style; it is a namedStyle, so we set
// the name and not the selector.
// first, strip off the '.' at the beginning and the :alias bit.
name = selectorName.substring(1, aliasIndex);
}
else
selector = selectorName;
// add text-antialias if it is set
if (trTextAntialias)
{
propertyNodeList.add(new PropertyNode("text-antialias", "true"));
}
// convert to a PropertyNode[], because StyleNode takes this type.
PropertyNode[] propertyArray =
propertyNodeList.toArray(new PropertyNode[propertyNodeList.size()]);
// if the trRuleRefList is not empty, create IncludeStyleNodes.
int length = trRuleRefList.size();
List includeStyleNodes = new ArrayList();
if (length > 0)
{
for(String value : trRuleRefList)
{
// parse the value, which will be of this form:
// -tr-rule-ref: selector(".AFBaseFont:alias") selector(".Foo")
// where you have more than one selector in an -tr-rule-ref definition
// or -tr-rule-ref: selector(".AFBaseFont:alias")
// where you have only one selector in an -tr-rule-ref definition.
// I want each selector value to be an IncludeStyleNode.
_addIncludeStyleNodes(value, includeStyleNodes);
}
}
// create a StyleNode
StyleNode styleNode =
new StyleNode(name,
selector,
propertyArray,
skinPropertyNodeList.isEmpty() ?
null : skinPropertyNodeList.toArray(new PropertyNode[0]),
includeStyleNodes.toArray(new IncludeStyleNode[0]),
includePropertyNodes.isEmpty() ?
null : includePropertyNodes.toArray(new IncludePropertyNode[0]),
includeCompactPropertyNodes.isEmpty() ?
null : includeCompactPropertyNodes.toArray(new IncludeCompactPropertyNode[0]),
inhibitedProperties,
false);
return styleNode;
}
/**
* Create an IncludePropertyNode.
* The syntax for including a property from another selector is
* af|commandButton { background-color: -tr-property-ref(".AFTestBackgroundColor:alias"); }
* .AFTestForegroundColor:alias {color: yellow; font-style:italic}
* .AFTestBackgroundColor:alias {background-color: -tr-property-ref(".AFTestForegroundColor:alias","color")}
* @param propertyName name of the property like background-color, color
* @param propertyValue value that want to include. This is stripped of the
* -tr-property-ref, so it is of the form ("...")
*/
private static IncludePropertyNode _createIncludePropertyNode(
String propertyName,
String propertyValue)
{
// do a quick sanity check
if (propertyValue == null || propertyValue.length() < 2)
return null;
if (propertyValue.startsWith("(") && propertyValue.endsWith(")"))
{
String valueString = propertyValue.substring(1, propertyValue.length() - 1);
String values[] = valueString.split(",");
String selectorValue = trimQuotes(values[0]);
String includedProperty;
if (values.length == 1)
{
includedProperty = propertyName;
}
else
{
includedProperty = trimQuotes(values[1].trim());
}
String selector = null;
String name = null;
if (selectorValue.endsWith(":alias"))
{
int aliasEndIndex = selectorValue.indexOf(":alias");
int aliasStartIndex = 0;
if (selectorValue.startsWith("."))
aliasStartIndex = 1;
name = selectorValue.substring(aliasStartIndex, aliasEndIndex);
}
else
{
selector = selectorValue;
}
return new IncludePropertyNode(name, selector, includedProperty, propertyName);
}
return null;
}
// This is for -tr-rule-ref properties on styles.
private static void _addIncludeStyleNodes(
String value,
List includeStyleNodes )
{
if (value != null)
{
// parse string and create IncludeStyleNode for each selector value.
// the string will be of this form:
// selector(".AFBaseFont:alias") selector(".MyDarkBackground")
// or a single selector:
// selector(".AFBaseFont:alias")
// if it ends with :alias, it is a namedstyle.
List selectors = new ArrayList();
_parseValueIntoSelectors(value, selectors);
// now take the selector List and convert it to IncludeStyleNodes.
for (String includeStyle : selectors)
{
// if it has :alias at the end it is a named style
if (includeStyle.endsWith(":alias"))
{
// strip off :alias first and the . at the beginning
int endIndex = includeStyle.indexOf(":alias");
int startIndex = 0;
if (includeStyle.charAt(0) == '.')
startIndex = 1;
includeStyleNodes.add(new IncludeStyleNode(
includeStyle.substring(startIndex, endIndex),
null));
}
else
includeStyleNodes.add(new IncludeStyleNode(null, includeStyle));
}
}
}
/**
* Parse the value into a List of selector names.
* @param value - String of the form: selector(".AFBaseFont:alias") selector(".MyDarkBackground")
* or a single selector: selector(".AFBaseFont:alias")
* @param selectors a List of selector names. This will be filled in during this method
* call.
*/
private static void _parseValueIntoSelectors(
String value,
List selectors)
{
String[] test = _SELECTOR_PATTERN.split(value);
for (int i=0; i < test.length; i++)
{
int endIndex = test[i].indexOf(")");
if (endIndex > -1)
{
String selectorValue = test[i].substring(0, endIndex);
selectorValue = trimQuotes(selectorValue);
selectors.add(selectorValue);
}
}
}
private static StyleSheetDocument _createStyleSheetDocument(
ParseContext context,
List ssNodeList)
{
long timestamp = _getDocumentTimestamp(context);
return new StyleSheetDocument(ssNodeList.toArray(new StyleSheetNode[0]),
null,
timestamp);
}
// Returns the document timestamp for the style sheet that
// is currently being parsed, taking into account timestamps
// of any imported style sheets. (copied from StyleSheetDocumentParser)
private static long _getDocumentTimestamp(ParseContext parseContext)
{
long timestamp = StyleSheetDocument.UNKNOWN_TIMESTAMP;
// The only way to get the timestamp is through the
// InputStreamProvider.
InputStreamProvider provider = XMLUtils.getInputStreamProvider(parseContext);
if (provider != null)
{
// And this only works if we are using a File-based or URL-based InputStream
Object identifier = provider.getIdentifier();
if (identifier instanceof File)
timestamp = ((File)identifier).lastModified();
else if (identifier instanceof URL)
{
try
{
timestamp = URLUtils.getLastModified((URL) identifier);
}
catch (IOException io)
{
_LOG.warning("CANNOT_GET_STYLESHEET_DOCUMENT_TIMESTAMP");
}
}
}
return timestamp;
}
// Tests whether the specified property value is an "url" property.
private static boolean _isURLValue(String propertyValue)
{
// URL property values start with "url("
return propertyValue.startsWith("url(");
}
// Returns the uri portion of the url property value
private static String _getURIString(String propertyValue)
{
assert(_isURLValue(propertyValue));
int uriEnd = propertyValue.indexOf(')');
String uri = propertyValue.substring(4, uriEnd);
return trimQuotes(uri);
}
// wraps the uri in 'url( )' and returns the new String.
private static String _wrapWithURLString(String uri)
{
StringBuilder builder = new StringBuilder(5 + uri.length());
builder.append("url(");
builder.append(uri);
builder.append(")");
return builder.toString();
}
private static class ResolvedSkinProperties
{
ResolvedSkinProperties(
List noTrPropertyList,
List trRuleRefList,
List includedPropertiesList,
List includedCompactPropertiesList,
Set inhibitedPropertySet,
List skinPropertyNodeList,
boolean trTextAntialias)
{
_noTrPropertyList = noTrPropertyList;
_trRuleRefList = trRuleRefList;
_includedPropertiesList = includedPropertiesList;
_includedCompactPropertiesList = includedCompactPropertiesList;
_inhibitedPropertySet = inhibitedPropertySet;
_skinPropertyNodeList = skinPropertyNodeList;
_trTextAntialias = trTextAntialias;
}
public List getNoTrPropertyList()
{
return _noTrPropertyList;
}
public List getTrRuleRefList()
{
return _trRuleRefList;
}
public List getIncludedPropertiesList()
{
return _includedPropertiesList;
}
public List getIncludedCompactPropertiesList()
{
return _includedCompactPropertiesList;
}
public List getSkinPropertyNodeList()
{
return _skinPropertyNodeList;
}
public Set getInhibitedProperties()
{
return _inhibitedPropertySet;
}
public boolean isTrTextAntialias()
{
return _trTextAntialias;
}
private Set _inhibitedPropertySet;
private List _noTrPropertyList;
private List _trRuleRefList;
private List _includedPropertiesList;
private List _includedCompactPropertiesList;
private List _skinPropertyNodeList;
private boolean _trTextAntialias;
}
// Custom Trinidad css properties:
//-tr-rule-ref, -tr-inhibit, -tr-text-antialias
private static final String _TR_PROPERTY_PREFIX = "-tr-";
// For backwards compatibility, keep the -ora- css properties in
// addition to the -tr- css properties.
private static final String _ORA_PROPERTY_PREFIX = "-ora-";
private static final String _PROPERTY_RULE_REF = "rule-ref";
private static final String _PROPERTY_INHIBIT = "inhibit";
private static final String _INCLUDE_PROPERTY = "-tr-property-ref";
private static final String _PROPERTY_TEXT_ANTIALIAS = "text-antialias";
private static final Pattern _SPACE_PATTERN = Pattern.compile("\\s");
private static final Pattern _SELECTOR_PATTERN = Pattern.compile("selector\\(");
static private final TrinidadLogger _LOG = TrinidadLogger.createTrinidadLogger(
SkinStyleSheetParserUtils.class);
}