de.blizzy.documentr.markdown.macro.impl.TabMacro.java Source code

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Here is the source code for de.blizzy.documentr.markdown.macro.impl.TabMacro.java

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/*
documentr - Edit, maintain, and present software documentation on the web.
Copyright (C) 2012-2013 Maik Schreiber
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package de.blizzy.documentr.markdown.macro.impl;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import com.google.common.collect.Lists;

import de.blizzy.documentr.markdown.macro.IMacroContext;
import de.blizzy.documentr.markdown.macro.IMacroRunnable;
import de.blizzy.documentr.markdown.macro.Macro;

@Macro(name = "tab", insertText = "{{tab TITLE}}[CONTENTS]{{/tab}}")
public class TabMacro implements IMacroRunnable {
    private static final String TAB_START_MARKER = "__TAB__"; //$NON-NLS-1$
    private static final String TAB_END_MARKER = "__/TAB__"; //$NON-NLS-1$

    @Override
    public String getHtml(IMacroContext macroContext) {
        String title = macroContext.getParameters();
        if (StringUtils.isNotBlank(title)) {
            TabData tabData = new TabData(title, macroContext.getBody());
            return TAB_START_MARKER + tabData.serialize() + TAB_END_MARKER;
        }
        return null;
    }

    @Override
    public String cleanupHtml(String html) {
        return null;
    }

    static String getTabsHtml(String html) {
        StringBuilder buf = new StringBuilder();
        int pos = 0;
        for (;;) {
            pos = html.indexOf(TAB_START_MARKER, pos);
            if (pos < 0) {
                break;
            }
            int endPos = html.indexOf(TAB_END_MARKER, pos + TAB_START_MARKER.length());
            if (endPos < 0) {
                break;
            }

            buf.append(html.substring(pos, endPos + TAB_END_MARKER.length()));

            pos = endPos + TAB_END_MARKER.length();
        }
        return buf.toString();
    }

    static List<TabData> getTabs(String s) {
        String[] parts = StringUtils.splitByWholeSeparator(s, TAB_START_MARKER);
        List<TabData> tabs = Lists.newArrayList();
        for (String part : parts) {
            part = StringUtils.removeEnd(part, TAB_END_MARKER);
            if (StringUtils.isNotBlank(part)) {
                TabData tabData = TabData.deserialize(part);
                tabs.add(tabData);
            }
        }
        return tabs;
    }
}