Examples with Program org.beetl.core.statement.Program used on opensource projects

Example 1 with Program

use of org.beetl.core.statement.Program in project beetl2.0 by javamonkey.

the class GroupTemplate method getTemplateByLoader.

private Template getTemplateByLoader(String key, ResourceLoader loader, boolean isTextTemplate) {
    key = key.intern();
    Program program = (Program) this.programCache.get(key);
    if (program == null) {
        synchronized (key) {
            if (program == null) {
                Resource resource = loader.getResource(key);
                program = this.loadTemplate(resource, isTextTemplate);
                this.programCache.set(key, program);
                return new Template(this, program, this.conf);
            }
        }
    }
    if (resourceLoader.isModified(program.rs)) {
        synchronized (key) {
            Resource resource = loader.getResource(key);
            program = this.loadTemplate(resource, isTextTemplate);
            this.programCache.set(key, program);
        }
    }
    return new Template(this, program, this.conf);
}

Example 2 with Program

use of org.beetl.core.statement.Program in project beetl2.0 by javamonkey.

the class GroupTemplate method loadTemplate.

private Program loadTemplate(Resource res, boolean isTextTemplate) {
    Transformator sf = null;
    try {
        Reader reader = res.openReader();
        if (isTextTemplate) {
            sf = new Transformator(conf.placeholderStart, conf.placeholderEnd, conf.statementStart, conf.statementEnd);
        } else {
            if (conf.isHasFunctionLimiter()) {
                sf = new Transformator(conf.placeholderStart, conf.placeholderEnd, conf.functionLimiterStart, conf.functionLimiterEnd);
            } else {
                sf = new Transformator(conf.placeholderStart, conf.placeholderEnd, conf.statementStart, conf.statementEnd);
            }
        }
        if (this.conf.isHtmlTagSupport()) {
            sf.enableHtmlTagSupport(conf.getHtmlTagStart(), conf.getHtmlTagEnd(), this.conf.getHtmlTagBindingAttribute());
        }
        Reader scriptReader;
        scriptReader = sf.transform(reader);
        Program program = engine.createProgram(res, scriptReader, sf.textMap, sf.lineSeparator, this);
        return program;
    } catch (HTMLTagParserException e) {
        ErrorGrammarProgram ep = new ErrorGrammarProgram(res, this, sf.lineSeparator);
        ep.setException(e);
        e.pushResource(res);
        return ep;
    } catch (IOException e) {
        ErrorGrammarProgram ep = new ErrorGrammarProgram(res, this, sf.lineSeparator);
        BeetlException ex = new BeetlException(BeetlException.TEMPLATE_LOAD_ERROR);
        ex.pushResource(res);
        ep.setException(ex);
        return ep;
    } catch (BeetlException ex) {
        ErrorGrammarProgram ep = new ErrorGrammarProgram(res, this, sf != null ? sf.lineSeparator : null);
        ex.pushResource(res);
        ep.setException(ex);
        return ep;
    }
}

Example 3 with Program

use of org.beetl.core.statement.Program in project beetl2.0 by javamonkey.

the class DefaultTemplateEngine method createProgram.

@Override
public Program createProgram(Resource resource, Reader reader, Map<Integer, String> textMap, String cr, GroupTemplate gt) {
    ANTLRInputStream input;
    try {
        input = new ANTLRInputStream(reader);
    } catch (IOException e) {
        // 不可能发生
        throw new RuntimeException(e);
    }
    BeetlLexer lexer = new BeetlLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(syntaxError);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    BeetlParser parser = new BeetlParser(tokens);
    // 测试代码
    parser.setErrorHandler(antlrErrorStrategy);
    // 
    ProgContext tree = parser.prog();
    // begin parsing at init rule
    AntlrProgramBuilder pb = getAntlrBuilder(gt);
    ProgramMetaData data = pb.build(tree);
    Program program = new Program();
    program.metaData = data;
    program.res = resource;
    program.rs = resource;
    program.gt = gt;
    program.metaData.staticTextArray = new Object[textMap.size()];
    program.metaData.lineSeparator = cr;
    int i = 0;
    Configuration conf = gt.getConf();
    String charset = conf.getCharset();
    boolean byteOut = conf.isDirectByteOutput();
    for (Entry<Integer, String> entry : textMap.entrySet()) {
        if (byteOut) {
            try {
                program.metaData.staticTextArray[i++] = entry.getValue().getBytes(charset);
            } catch (UnsupportedEncodingException e) {
                throw new RuntimeException(e);
            }
        } else {
            program.metaData.staticTextArray[i++] = entry.getValue().toCharArray();
        }
    }
    return program;
}

Example 4 with Program

use of org.beetl.core.statement.Program in project beetl2.0 by javamonkey.

the class MetaCopyTest method main.

public static void main(String[] args) throws Exception {
    String home = System.getProperty("user.dir") + File.separator + "template" + File.separator;
    Configuration cf = Configuration.defaultConfiguration();
    FileResourceLoader rs = new FileResourceLoader(home, cf.getCharset());
    GroupTemplate gt = new GroupTemplate(rs, cf);
    Template t = gt.getTemplate("/helloworld.html");
    Program p = gt.getProgram("/helloworld.html");
    ProgramMetaData old = p.metaData;
    ProgramMetaData copy = old.copy();
    System.out.println("ok");
}

Example 5 with Program

use of org.beetl.core.statement.Program in project beetl2.0 by javamonkey.

the class FastRuntimeEngine method createProgram.

@Override
public Program createProgram(Resource rs, Reader reader, Map<Integer, String> textMap, String cr, GroupTemplate gt) {
    Program orginalProgram = super.createProgram(rs, reader, textMap, cr, gt);
    // copy 一个出来分析
    ProgramMetaData metaData = orginalProgram.metaData.copy();
    Program copyProgram = new Program();
    copyProgram.metaData = metaData;
    copyProgram.res = orginalProgram.res;
    copyProgram.gt = orginalProgram.gt;
    copyProgram.rs = orginalProgram.rs;
    Probe nextFilter = new BasicProgramOptProbe();
    nextFilter.setProgram(copyProgram);
    TypeBindingProbe firstFilter = new TypeBindingProbe(copyProgram, nextFilter);
    // 在能优化前，按照原有的program执行，但每次都会执行fitler以看看是否能优化
    FilterProgram filterProgram = new FilterProgram(orginalProgram, copyProgram, firstFilter);
    return filterProgram;
}