application/xml.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2024 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.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cx/printf.h>
#include <cx/hash_map.h>
#include <cx/buffer.h>

#include <libidav/xml.h>

#include "xml.h"


void property_xml2str(DavXmlNode *content, const char *namespace, cxmutstr *out_xmlstr, cxmutstr *out_nsdef) {
    CxBuffer buf;
    cxBufferInit(&buf, NULL, 2048, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
    
    CxMap *nsmap = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 16);
    cxMapPut(nsmap, namespace, strdup("x0"));
    
    dav_print_node(&buf, (cx_write_func)cxBufferWrite, nsmap, content);
    
    cxmutstr ret = cx_mutstrn(buf.space, buf.size);
    cxBufferPut(&buf, 0);
    
    
    CxBuffer nsbuf;
    cxBufferInit(&nsbuf, NULL, 2048, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
    CxIterator i = cxMapIterator(nsmap);
    int addSpace = 0;
    cx_foreach(CxMapEntry *, entry, i) {
        const char *ns = entry->key->data;
        const char *pre = entry->value;
        if(addSpace) {
            cxBufferPut(&nsbuf, ' ');
        } else {
            addSpace = 1;
        }
        cx_bprintf(&nsbuf, "xmlns:%s=\"%s\"", pre, ns);
    }
    cxmutstr nsdef = cx_mutstrn(nsbuf.space, nsbuf.size);
    cxBufferPut(&nsbuf, 0);
    
    // cleanup namespace map
    cxMapDestroy(nsmap);
    
    
    *out_xmlstr = ret;
    *out_nsdef = nsdef;
}