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upnpreplyparse.c    136 lines (126 with data), 4.2 kB

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/* MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
*
* Copyright (c) 2006, Thomas Bernard
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 OWNER 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 <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "upnpreplyparse.h"
#include "minixml.h"
static void
NameValueParserStartElt(void * d, const char * name, int l)
{
struct NameValueParserData * data = (struct NameValueParserData *)d;
if(l>63)
l = 63;
memcpy(data->curelt, name, l);
data->curelt[l] = '\0';
/* store root element */
if(!data->head.lh_first)
{
struct NameValue * nv;
nv = malloc(sizeof(struct NameValue)+l+1);
strcpy(nv->name, "rootElement");
memcpy(nv->value, name, l);
nv->value[l] = '\0';
LIST_INSERT_HEAD(&(data->head), nv, entries);
}
}
static void
NameValueParserGetData(void * d, const char * datas, int l)
{
struct NameValueParserData * data = (struct NameValueParserData *)d;
struct NameValue * nv;
if(l>1975)
l = 1975;
nv = malloc(sizeof(struct NameValue)+l+1);
strncpy(nv->name, data->curelt, 64);
nv->name[63] = '\0';
memcpy(nv->value, datas, l);
nv->value[l] = '\0';
LIST_INSERT_HEAD(&(data->head), nv, entries);
}
void
ParseNameValue(const char * buffer, int bufsize,
struct NameValueParserData * data, uint32_t flags)
{
struct xmlparser parser;
LIST_INIT(&(data->head));
/* init xmlparser object */
parser.xmlstart = buffer;
parser.xmlsize = bufsize;
parser.data = data;
parser.starteltfunc = NameValueParserStartElt;
parser.endeltfunc = 0;
parser.datafunc = NameValueParserGetData;
parser.attfunc = 0;
parser.flags = flags;
parsexml(&parser);
}
void
ClearNameValueList(struct NameValueParserData * pdata)
{
struct NameValue * nv;
while((nv = pdata->head.lh_first) != NULL)
{
LIST_REMOVE(nv, entries);
free(nv);
}
}
char *
GetValueFromNameValueList(struct NameValueParserData * pdata,
const char * Name)
{
struct NameValue * nv;
char * p = NULL;
for(nv = pdata->head.lh_first;
(nv != NULL) && (p == NULL);
nv = nv->entries.le_next)
{
if(strcmp(nv->name, Name) == 0)
p = nv->value;
}
return p;
}
/* debug all-in-one function
* do parsing then display to stdout */
#ifdef DEBUG
void
DisplayNameValueList(char * buffer, int bufsize)
{
struct NameValueParserData pdata;
struct NameValue * nv;
ParseNameValue(buffer, bufsize, &pdata);
for(nv = pdata.head.lh_first;
nv != NULL;
nv = nv->entries.le_next)
{
printf("%s = %s\n", nv->name, nv->value);
}
ClearNameValueList(&pdata);
}
#endif