cz.vutbr.web.csskit.antlr4

Class CSSParserFactory

java.lang.Object

cz.vutbr.web.csskit.antlr4.CSSParserFactory

public class CSSParserFactory
extends Object

Handles construction of parser

Author:

sedlakr

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CSSParserFactory.SourceType Source types.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CSSParserFactory() dummy constructor for singleton

Method Summary

Modifier and Type	Method and Description
protected static StyleSheet	addRulesToStyleSheet(RuleList rules, StyleSheet sheet)
StyleSheet	append(Object source, NetworkProcessor network, String encoding, CSSParserFactory.SourceType type, Element inline, boolean inlinePriority, StyleSheet sheet, URL base) Appends parsed source to passed style sheet.
StyleSheet	append(Object source, NetworkProcessor network, String encoding, CSSParserFactory.SourceType type, StyleSheet sheet, URL base) Appends parsed source to passed style sheet.
protected static CSSException	encapsulateException(Throwable t, String msg) Creates new CSSException which encapsulates cause
protected static CSSInputStream	getInput(Object source, NetworkProcessor network, String encoding, CSSParserFactory.SourceType type)
static CSSParserFactory	getInstance() get instance singleton method
StyleSheet	parse(Object source, NetworkProcessor network, String encoding, CSSParserFactory.SourceType type, Element inline, boolean inlinePriority, URL base) Parses source of given type
StyleSheet	parse(Object source, NetworkProcessor network, String encoding, CSSParserFactory.SourceType type, URL base) Parses source of given type.
protected StyleSheet	parseAndImport(Object source, NetworkProcessor network, String encoding, CSSParserFactory.SourceType type, StyleSheet sheet, Preparator preparator, URL base, List<MediaQuery> media) Parses the source using the given infrastructure and returns the resulting style sheet.
List<MediaQuery>	parseMediaQuery(String query) Parses a media query from a string (e.g. the 'media' HTML attribute).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CSSParserFactory

protected CSSParserFactory()

dummy constructor for singleton

Method Detail

getInstance

public static CSSParserFactory getInstance()

get instance singleton method

Returns:

CSS Parser Factory

parse

public StyleSheet parse(Object source,
                        NetworkProcessor network,
                        String encoding,
                        CSSParserFactory.SourceType type,
                        Element inline,
                        boolean inlinePriority,
                        URL base)
                 throws IOException,
                        CSSException

Parses source of given type

Parameters:

source - Source, interpretation depends on type

type - Type of source provided

inline - InlineElement

inlinePriority - True when the rule should have an 'inline' (greater) priority

Returns:

Created StyleSheet

Throws:

IOException - When problem with input stream occurs

CSSException - When unrecoverable exception during parsing occurs

parse

public StyleSheet parse(Object source,
                        NetworkProcessor network,
                        String encoding,
                        CSSParserFactory.SourceType type,
                        URL base)
                 throws IOException,
                        CSSException

Parses source of given type. Uses no element.

Parameters:

source - Source, interpretation depends on type

type - Type of source provided

base - The base URL

Returns:

Created StyleSheet

Throws:

IOException - When problem with input stream occurs

CSSException - When unrecoverable exception during parsing occurs

IllegalArgumentException - When type of source is INLINE

append

public StyleSheet append(Object source,
                         NetworkProcessor network,
                         String encoding,
                         CSSParserFactory.SourceType type,
                         Element inline,
                         boolean inlinePriority,
                         StyleSheet sheet,
                         URL base)
                  throws IOException,
                         CSSException

Appends parsed source to passed style sheet. This style sheet must be IMPERATIVELY parsed by this factory to guarantee proper appending

Parameters:

source - Source, interpretation depends on type

type - Type of source provided

inline - Inline element

inlinePriority - True when the rule should have an 'inline' (greater) priority

sheet - StyleSheet to be modified

Returns:

Modified StyleSheet

Throws:

IOException - When problem with input stream occurs

CSSException - When unrecoverable exception during parsing occurs

append

public StyleSheet append(Object source,
                         NetworkProcessor network,
                         String encoding,
                         CSSParserFactory.SourceType type,
                         StyleSheet sheet,
                         URL base)
                  throws IOException,
                         CSSException

Appends parsed source to passed style sheet. This style sheet must be IMPERATIVELY parsed by this factory to guarantee proper appending. Uses no inline element

Parameters:

source - Source, interpretation depends on type

type - Type of source provided

base - Base url

sheet - StyleSheet to be modified

Returns:

Modified StyleSheet

Throws:

IOException - When problem with input stream occurs

CSSException - When unrecoverable exception during parsing occurs

IllegalArgumentException - When type of source is INLINE

parseAndImport

protected StyleSheet parseAndImport(Object source,
                                    NetworkProcessor network,
                                    String encoding,
                                    CSSParserFactory.SourceType type,
                                    StyleSheet sheet,
                                    Preparator preparator,
                                    URL base,
                                    List<MediaQuery> media)
                             throws CSSException,
                                    IOException

Parses the source using the given infrastructure and returns the resulting style sheet. The imports are handled recursively.

Throws:

CSSException

IOException

parseMediaQuery

public List<MediaQuery> parseMediaQuery(String query)

Parses a media query from a string (e.g. the 'media' HTML attribute).

Parameters:

query - The query string

Returns:

List of media queries found.

encapsulateException

protected static CSSException encapsulateException(Throwable t,
                                                   String msg)

Creates new CSSException which encapsulates cause

Parameters:

t - Cause

msg - Message

Returns:

New CSSException

addRulesToStyleSheet

protected static StyleSheet addRulesToStyleSheet(RuleList rules,
                                                 StyleSheet sheet)

getInput

protected static CSSInputStream getInput(Object source,
                                         NetworkProcessor network,
                                         String encoding,
                                         CSSParserFactory.SourceType type)
                                  throws IOException

Throws:

IOException