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/* $Id: upnpreplyparse.c,v 1.11 2011/02/07 16:17:06 nanard Exp $ */
/* MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
* (c) 2006-2011 Thomas Bernard
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */
#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';
}
static void
NameValueParserGetData(void * d, const char * datas, int l)
{
struct NameValueParserData * data = (struct NameValueParserData *)d;
struct NameValue * nv;
if(strcmp(data->curelt, "NewPortListing") == 0)
{
/* specific case for NewPortListing which is a XML Document */
data->portListing = malloc(l + 1);
if(!data->portListing)
{
/* malloc error */
return;
}
memcpy(data->portListing, datas, l);
data->portListing[l] = '\0';
data->portListingLength = l;
}
else
{
/* standard case. Limited to 63 chars strings */
nv = malloc(sizeof(struct NameValue));
if(l>63)
l = 63;
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)
{
struct xmlparser parser;
LIST_INIT(&(data->head));
data->portListing = NULL;
data->portListingLength = 0;
/* init xmlparser object */
parser.xmlstart = buffer;
parser.xmlsize = bufsize;
parser.data = data;
parser.starteltfunc = NameValueParserStartElt;
parser.endeltfunc = 0;
parser.datafunc = NameValueParserGetData;
parser.attfunc = 0;
parsexml(&parser);
}
void
ClearNameValueList(struct NameValueParserData * pdata)
{
struct NameValue * nv;
if(pdata->portListing)
{
free(pdata->portListing);
pdata->portListing = NULL;
pdata->portListingLength = 0;
}
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;
}
#if 0
/* useless now that minixml ignores namespaces by itself */
char *
GetValueFromNameValueListIgnoreNS(struct NameValueParserData * pdata,
const char * Name)
{
struct NameValue * nv;
char * p = NULL;
char * pname;
for(nv = pdata->head.lh_first;
(nv != NULL) && (p == NULL);
nv = nv->entries.le_next)
{
pname = strrchr(nv->name, ':');
if(pname)
pname++;
else
pname = nv->name;
if(strcmp(pname, Name)==0)
p = nv->value;
}
return p;
}
#endif
/* 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
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