C++ CStr::Trim方法代码示例

void EvalTrim(const void *data, qCtx *ctx, qStr *out, qArgAry *args) {
	VALID_ARGC("trim", 1, 2);
	if (args->Count() > 1) {
		CStr str = (*args)[0];
		if (str.IsEmpty()) 
			return;

		CStr toks = (*args)[1];
		if (toks.Length() == 0)
			out->PutS(str);
		else if (toks.Length() == 1)
			out->PutS(str.Trim(*toks));
		else {
			const char *b, *p = str;
			size_t i = strspn(p,toks); 
			b = p += i;
			p += str.Length() - 1 - i; 
			while(p >= b && strchr(toks.Data(), *p)) 
				--p; 
			++p; 
			out->PutS(b, p - b); 
		}
	} else
		out->PutS((*args)[0].Trim());
}

CDbCol *qObjODBC::GetEvalCol(qCtx *ctx, qArgAry *args)
{
	CDbCol *col = 0;

	if (args->Count() > 0) {
	CStr index = (*args)[0];
	index.Trim();
	if (!index.IsEmpty()) {
		if (isdigit(index[0])) {
			col = myStmt.Column(atoi(index)-1);
		} else {
			strlwr(index.GetBuffer());
			col = myStmt.Column((const char *)index);
		}
	}
        }
	return col;
}

void EvalSql(const void *data, qCtx *ctx, qStr *out, qArgAry *args)
{
	int errCode = 0; CStr errMsg;
	
	VALID_ARGC("sql", 2 ,5);

	CDbLib *dbLib = GetDbLib(ctx);

	CDbConn conn;
	CStr dsn = (*args)[0];
	dsn.Trim();

	qObjSql *handler;

	CStr sql = (*args)[1];
	sql.Trim();

	if (dsn.IsEmpty()) {
		ctx->Throw(out, 358, "No datasource specified");
		return;
	}

	try {
	    qObjTSRef ts;
#ifdef HAVE_SQLITE3_H
            if(!strnicmp(dsn,"sqlite:",7)) {
		const char *p = dsn+7;
		while (isspace(*p)) ++p;
		handler = new qObjSqlite(p, ctx);
            } else 
#endif // HAVE_SQLITE3_H	
	    {
		ts = dbLib->GetRef();
		handler = new qObjODBC(dsn, ctx, data);
	    }

	    qCtxTmp loopCtx(ctx);
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalColName, "column-name");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalColName, "col-name");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalColType, "column-type");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalColType, "col-type");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalEnumCol, "enumcolumn","1");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalEnumCol, "enumcol","1");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalColumn,  "column");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalCol,     "col");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalRow,     "num-rows");
            loopCtx.MapObj(handler, (QOBJMETH) &qObjSql::EvalSkipRows,"skip-rows");

            CStr sql = (*args)[1];
            sql.Trim();

            handler->Execute(&loopCtx, out, sql, args->GetAt(2), args->GetAt(3), args->GetAt(4));
	    delete handler;
	} catch(qCtxEx ex) {
		errCode = ex.GetID();
		errMsg = ex.GetMsg();
	    	delete handler;
	} catch (qCtxExAbort ex) {
		throw ex;
	    	delete handler;
	} catch (...) {
		errCode = 303;
		errMsg  = "Unknown SQL Library error.";
	    	delete handler;
	}

	if (errCode)
		ctx->Throw(out, errCode, errMsg);
}

static int psx_user(request_rec *r)
{
	qEnvApache *renv = NULL;
	try {
		qEnvApacheServer *senv = get_psx_srv_env(r);
		if (!senv)
			return DECLINED;

		const char *macro = senv->GetUserMacro();
		if (!macro || !*macro)
			return DECLINED;

		renv = get_psx_req_env(r);
		if (!renv)
			return DECLINED;


		if (renv->IsAuth == 1) {
			if (r->main)
				renv->Free();
			return OK;
		} else if (renv->IsAuth == -1) {
			return psx_auth_fail(r, renv);
		}

		qCtxTmp tmpCtx(renv->GetCtx());

		char *user = NULL;
		const char *pw = NULL;

		int res=ap_get_basic_auth_pw(r,&pw);

		if (!res) {
#ifdef APACHE2
			user = r->user;
#else
			user = r->connection->user;
#endif
			
		}

		if (!user) user = "";
		tmpCtx.MapObj(user, "username");

		if (!pw) pw = "";
		tmpCtx.MapObj(pw, "password");

		CStr out = tmpCtx.ParseStr(macro);
		out.Trim();

		// ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, AP2STATUS r, "macro: %s, username: %s, password: %s, macro output: %s, macro length: %d, macro char: %x", (const char *) macro, (const char *)user, (const char *)pw, (const char *)out, out.Length(), (unsigned int)*(const char *)out);

		if (out.IsEmpty()) {
			renv->IsAuth = -1;
			return psx_auth_fail(r, renv);
		} else {
			if (r->main)
				renv->Free();
			renv->IsAuth = 1;
			return OK;
		}
	} catch (...) {
		// login code redirected things
		if (r->status == HTTP_MOVED_TEMPORARILY) {
			return OK;
		}

		if (renv)
			renv->Free();

		smx_log_str(SMXLOGLEVEL_ERROR, "unhandled exception during authentication");

		return DECLINED;
	}
}