Example #1
0
File: jq.go Project: ashb/jqrepl
// Process a single input and send the results on `out`
func (jq *Jq) _Execute(jv *Jv, out chan<- *Jv, err chan<- error) {
	flags := C.int(0)

	C.jq_start(jq._state, jv.jv, flags)
	result := &Jv{C.jq_next(jq._state)}
	for result.IsValid() {
		out <- result
		result = &Jv{C.jq_next(jq._state)}
	}
	msg, ok := result.GetInvalidMessageAsString()
	if ok {
		// Uncaught jq exception
		// TODO: get file:line position in input somehow.
		err <- errors.New(msg)
	}
}
Example #2
0
File: jq.go Project: wxf4150/jq-go
// starts JQ with a value, and visits each result; the value must be freeJv'd by the visitor.
func processJq(jq *C.jq_state, input C.jv, visit func(val C.jv)) error {
	var jv C.jv
	C.jq_start(jq, input, 0)
	for {
		jv = C.jq_next(jq)
		if !isValid(jv) {
			break
		}
		visit(jv)
	}
	defer freeJv(jv)
	return jvError(jv)
}
Example #3
0
File: jq.go Project: vantroy/jq
func (j *jqExecutor) execute(input ...string) []string {
	jsons := strings.Join(input, "")
	parser := C.jv_parser_new(0)
	defer C.jv_parser_free(parser)

	// Make a simple input then convert to CString.
	cjsons := C.CString(jsons)
	defer C.free(unsafe.Pointer(cjsons))
	C.jv_parser_set_buf(parser, cjsons, C.int(len(jsons)), 0)

	var response []string
	// Check if v is valid.
	for v := C.jv_parser_next(parser); C.jv_is_valid(v) == 1; v = C.jv_parser_next(parser) {
		C.jq_start(j.state, v, 0)

		// Check if res is valid.
		for res := C.jq_next(j.state); C.jv_is_valid(res) == 1; res = C.jq_next(j.state) {
			response = append(response, toString(res))
		}

	}
	return response
}
Example #4
0
File: jq.go Project: wxf4150/go-jq
func (jq *JQ) next() C.jv {
	return C.jq_next(jq.state)
}