STATIC void EXPAT_StartElement(void * ctx, XML_Str tag, XML_Str * atts)
{
ExpatContext * expat = (ExpatContext *)ctx;
if (expat->cb.startElem) {
XMLAttr aset;
XML_Str * s = atts;
BUFFER_Clear(&expat->buf);
BUFFER_Clear(&expat->atts);
while (*s) {
wchar_t* ws;
XML_Str xs = *s++;
/*
* store offset in the vector - later will be replaces with the
* pointer. Cannot store the pointers now because buffer may be
* reallocated during conversion.
*/
const int off = BUFFER_Size(&expat->buf)/sizeof(Char);
BUFFER_Put(&expat->atts, &off, sizeof(off), False);
/* Convert from UTF-8 XML_Str to Str */
ws = STRING_ToUnicode(xs);
if (ws) {
#ifdef UNICODE
BUFFER_Put(&expat->buf,ws,(wcslen(ws)+1)*sizeof(ws[0]),False);
#else
char * mb = STRING_ToMultiByte(ws);
if (mb) {
BUFFER_Put(&expat->buf, mb, strlen(mb)+1, False);
MEM_Free(mb);
} else {
BUFFER_Put(&expat->buf, xs, strlen(xs)+1, False);
}
#endif
MEM_Free(ws);
}
}
ASSERT(!((BUFFER_Size(&expat->atts)/sizeof(int))%2));
aset.storage = BUFFER_Access(&expat->buf);
aset.size = BUFFER_Size(&expat->buf);
aset.off = BUFFER_Access(&expat->atts);
aset.n = BUFFER_Size(&expat->atts)/sizeof(int)/2;
EXPAT_ConvertTag(&expat->sb, tag);
(*expat->cb.startElem)(expat->ctx, STRBUF_Text(&expat->sb), &aset);
}
}
STATIC void EXPAT_StartElement(void * ctx, XML_Str tag, XML_Str * atts)
{
ExpatContext * expat = (ExpatContext *)ctx;
if (expat->cb.startElem) {
XMLAttr aset;
XML_Str * s = atts;
BUFFER_Clear(&expat->buf);
VECTOR_Clear(&expat->atts);
while (*s) {
Char tmp;
const XML_Char * c = (*s);
/*
* store offset in the vector - later will be replaces with the
* pointer. Cannot store the pointers now because buffer may be
* reallocated during conversion.
*/
int off = BUFFER_Size(&expat->buf)/sizeof(Char);
VECTOR_Add(&expat->atts,(VElement)(PtrWord)off);
/*
* Pretty naive convertion of attribute names and values from
* XML_Str to Str. This part may need some improvement...
*/
while (*c) {
tmp = (Char)*c;
BUFFER_Put(&expat->buf, &tmp, sizeof(tmp), False);
c++;
}
tmp = 0;
BUFFER_Put(&expat->buf, &tmp, sizeof(tmp), False);
s++;
}
ASSERT(!(VECTOR_Size(&expat->atts)%2));
aset.storage = (Char*)BUFFER_Access(&expat->buf);
aset.size = BUFFER_Size(&expat->buf);
aset.off = (int*)VECTOR_GetElements(&expat->atts);
aset.n = VECTOR_Size(&expat->atts)/2;
EXPAT_ConvertTag(&expat->sb, tag);
(*expat->cb.startElem)(expat->ctx, STRBUF_Text(&expat->sb), &aset);
}
}
STATIC void EXPAT_Characters(void * ctx, XML_Str s, int len)
{
ExpatContext * expat = (ExpatContext *)ctx;
if (expat->cb.charData) {
const wchar_t * chars;
#if defined(XML_UNICODE_WCHAR_T) || defined(_WIN32)
chars = s;
#else /* !XML_UNICODE_WCHAR_T && !_WIN32 */
int i;
wchar_t wc;
BUFFER_Clear(&expat->buf);
for (i=0; i<len; i++) {
wc = s[i];
if (!BUFFER_Put(&expat->buf,&wc,sizeof(wc),False)) {
break;
}
}
wc = 0;
BUFFER_Put(&expat->buf,&wc,sizeof(wc),False);
chars = (wchar_t*)BUFFER_Access(&expat->buf);
#endif /* !XML_UNICODE_WCHAR_T && !_WIN32 */
(*expat->cb.charData)(expat->ctx, chars, len);
}
}
STATIC Bool GWENG_QueueWrite(EcmtConnection* c, const void* data, int size)
{
EcmtQueueConnection* qc = CAST(c,EcmtQueueConnection,connection);
/*
* Try to avoid copying. Most of the time we can safely do that because
* both header and data are written as single chunks. However, if they
* are not so nicely packaged, we have plan B.
*/
if (!BUFFER_Size(&qc->buf)) {
if (qc->header && size>=ECMT_MSG_HEADER_SIZE) {
if (GWENG_ParseEcmtHeader(data, &qc->uid, &qc->datalen)) {
data = ((char*)data) + ECMT_MSG_HEADER_SIZE;
size -= ECMT_MSG_HEADER_SIZE;
qc->datalen -= ECMT_MSG_HEADER_SIZE;
qc->header = False;
} else {
/* There shoudn't be any garbage here */
ASSMSG("Garbage in GWENG_QueueWrite");
return False;
}
}
if (!qc->header && size >= qc->datalen) {
GWENG_QueueAdd(qc->queue, qc->uid, data, qc->datalen);
data = ((char*)data) + qc->datalen;
size -= qc->datalen;
qc->uid = 0;
qc->datalen = 0;
qc->header = True;
}
}
if (size > 0) {
/* Plan B */
if (BUFFER_Put(&qc->buf, data, size, False) == size) {
while (GWENG_QueueFlush(qc));
} else {
return False;
}
}
return True;
}