package net.java.textilej.parser;
import java.io.IOException;
import java.io.Reader;
import java.io.StringWriter;
import net.java.textilej.parser.builder.HtmlDocumentBuilder;
import net.java.textilej.parser.markup.Dialect;
/**
* A markup processor that can process text markup formats such as Textile.
*
* @author dgreen
*
*/
public class MarkupParser {
private Dialect dialect;
private DocumentBuilder builder;
public MarkupParser() {}
public MarkupParser(Dialect dialect, DocumentBuilder builder) {
this.dialect = dialect;
this.builder = builder;
}
public MarkupParser(Dialect dialect) {
this.dialect = dialect;
}
/**
* the dialect of the markup to process
*/
public Dialect getDialect() {
return dialect;
}
/**
* set the dialect of the markup to process
*/
public void setDialect(Dialect dialect) {
this.dialect = dialect;
}
/**
* the builder to which parse results are propagated
*/
public DocumentBuilder getBuilder() {
return builder;
}
/**
* set the builder to which parse results are propagated
*/
public void setBuilder(DocumentBuilder builder) {
this.builder = builder;
}
public void parse(Reader markupContent) throws IOException {
parse(markupContent,true);
}
public void parse(Reader markupContent,boolean asDocument) throws IOException {
parse(readFully(markupContent),asDocument);
}
public void parse(String markupContent) {
parse(markupContent,true);
}
public void parse(String markupContent,boolean asDocument) {
if (dialect == null) {
throw new IllegalStateException("markup dialect is not set");
}
if (builder == null) {
throw new IllegalStateException("builder is not set");
}
dialect.processContent(this,markupContent,asDocument);
}
private String readFully(Reader reader) throws IOException {
StringWriter writer = new StringWriter();
int c;
while ((c = reader.read()) != -1) {
writer.write(c);
}
return writer.toString();
}
/**
* parse the given markup content and produce the result as an HTML document.
*
* @param markupContent the textile to parse
*
* @return the HTML document text.
*/
public String parseToHtml(String markupContent) {
if (builder != null) {
throw new IllegalStateException("Builder must not be set");
}
StringWriter out = new StringWriter();
setBuilder(new HtmlDocumentBuilder(out));
parse(markupContent);
setBuilder(null);
return out.toString();
}
}