Function MatchRegex

extensions/regex/extension.cpp:109–162

static cell_t MatchRegex(IPluginContext *pCtx, const cell_t *params)
{
	Handle_t hndl = static_cast<Handle_t>(params[1]);
	HandleError err;
	HandleSecurity sec;
	sec.pOwner = NULL;
	sec.pIdentity = myself->GetIdentity();

	RegEx *x;
	if ((err=g_pHandleSys->ReadHandle(hndl, g_RegexHandle, &sec, (void **)&x)) != HandleError_None)
	{
		return pCtx->ThrowNativeError("Invalid regex handle %x (error %d)", hndl, err);
	}
	if (!x)
	{
		pCtx->ThrowNativeError("Regex data not found\n");
		return 0;
	}

	size_t offset = 0;
	if (params[0] >= 4)
	{
		offset = static_cast<size_t>(params[4]);
	}

	char *str;
	pCtx->LocalToString(params[2], &str);

	int e = x->Match(str, offset);
	if (e == -1)
	{
		/* there was a match error.  move on. */
		cell_t *res;
		pCtx->LocalToPhysAddr(params[3], &res);
		*res = x->mErrorCode;
		/* only clear the match results, since the regex object
		   may still be referenced later */
		x->ClearMatch();

		return -1;
	}
	else if (e == 0) 
	{
		/* only clear the match results, since the regex object
		   may still be referenced later */
		x->ClearMatch();

		return 0;
	} 
	else 
	{
		return x->mMatches[0].mSubStringCount;
	}
}

static cell_t MatchRegexAll(IPluginContext *pCtx, const cell_t *params)
{