src/server/webdav/saxhandler.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SAXHANDLER_H
#define	SAXHANDLER_H

#include "davparser.h"

#include <xercesc/sax2/DefaultHandler.hpp>

using namespace xercesc;

/* stack */
#define XSTACK_PUSH(elm) xstack_push(&xmlStack, elm)
#define XSTACK_POP() xstack_pop(&xmlStack)
#define XSTACK_CUR() (xmlStack) ? (XmlElement*)xmlStack->data : NULL;
void xstack_push(UcxList **stack, XmlElement *elm);
XmlElement* xstack_pop(UcxList **stack);

class PropfindHandler : public DefaultHandler {
public:
    PropfindHandler(PropfindRequest *rq, pool_handle_t *p);
    virtual ~PropfindHandler();

    void startElement(
        const XMLCh* const   uri,
        const XMLCh* const   localname,
        const XMLCh* const   qname,
        const Attributes&    attrs);
    
    void endElement(
        const XMLCh* const   uri,
        const XMLCh* const   localname,
        const XMLCh* const   qname);
    
    void startDocument();

    void endDocument();

private:
    PropfindRequest *davrq;
    pool_handle_t   *pool;

    bool            davPropTag;
    DavProperty     *property;
};


class ProppatchHandler : public DefaultHandler {
public:
    ProppatchHandler(ProppatchRequest *rq, pool_handle_t *p);
    virtual ~ProppatchHandler();

    void startElement(
        const XMLCh* const   uri,
        const XMLCh* const   localname,
        const XMLCh* const   qname,
        const Attributes&    attrs);
    
    void endElement(
        const XMLCh* const   uri,
        const XMLCh* const   localname,
        const XMLCh* const   qname);

    void characters(const XMLCh *const chars, const XMLSize_t length);
    
    void startDocument();

    void endDocument();

private:
    ProppatchRequest *davrq;
    pool_handle_t    *pool;

    bool             davPropTag;
    XmlElement       *rootElement;
    XmlElement       *newElement; 
    UcxList         *xmlStack;
    
    //DavProperty      *property;
    int              updateMode; /* 0 = set, 1 = remove, -1 = undefined */
};

#endif	/* SAXHANDLER_H */