func do_line(row []string) {
name := row[0]
col1, _ := strconv.Atof32(row[1])
col2, _ := strconv.Atof32(row[2])
result := col1 * col2
fmt.Printf("%s is %.02f\n", name, result)
}
func (rs *ResultSet) float32(ord int) (value float32, isNull bool) {
if rs.conn.LogLevel >= LogVerbose {
defer rs.conn.logExit(rs.conn.logEnter("*ResultSet.float32"))
}
isNull = rs.isNull(ord)
if isNull {
return
}
val := rs.values[ord]
switch rs.fields[ord].format {
case textFormat:
// strconv.Atof32 does not handle NaN
if string(val) == "NaN" {
value = float32(math.NaN())
} else {
var err os.Error
value, err = strconv.Atof32(string(val))
panicIfErr(err)
}
case binaryFormat:
value = math.Float32frombits(binary.BigEndian.Uint32(val))
}
return
}
// Scan parses the values of the current result row (set using Result.Next)
// into the given arguments.
func (r *Result) Scan(args ...interface{}) os.Error {
if len(args) != r.ncols {
return os.NewError(fmt.Sprintf("incorrect argument count for Result.Scan: have %d want %d", len(args), r.ncols))
}
for i, v := range args {
if int(C.PQgetisnull(r.res, C.int(r.currRow), C.int(i))) == 1 {
continue
}
val := C.GoString(C.PQgetvalue(r.res, C.int(r.currRow), C.int(i)))
switch v := v.(type) {
case *[]byte:
if !strings.HasPrefix(val, "\\x") {
return argErr(i, "[]byte", "invalid byte string format")
}
buf, err := hex.DecodeString(val[2:])
if err != nil {
return argErr(i, "[]byte", err.String())
}
*v = buf
case *string:
*v = val
case *bool:
*v = val == "t"
case *int:
x, err := strconv.Atoi(val)
if err != nil {
return argErr(i, "int", err.String())
}
*v = x
case *int64:
x, err := strconv.Atoi64(val)
if err != nil {
return argErr(i, "int64", err.String())
}
*v = x
case *float32:
x, err := strconv.Atof32(val)
if err != nil {
return argErr(i, "float32", err.String())
}
*v = x
case *float64:
x, err := strconv.Atof64(val)
if err != nil {
return argErr(i, "float64", err.String())
}
*v = x
case *time.Time:
x, _, err := ParseTimestamp(val)
if err != nil {
return argErr(i, "time.Time", err.String())
}
*v = *x
default:
return os.NewError("unsupported type in Scan: " + reflect.TypeOf(v).String())
}
}
return nil
}
func AsFloat32(v interface{}) (float32, os.Error) {
switch value := v.(type) {
default:
return 0, os.NewError(fmt.Sprintf("unexpected type: %T", value))
case int:
return float32(value), nil
case int8:
return float32(value), nil
case int16:
return float32(value), nil
case int32:
return float32(value), nil
case int64:
return float32(value), nil
case uint:
return float32(value), nil
case uint8:
return float32(value), nil
case uint16:
return float32(value), nil
case uint32:
return float32(value), nil
case uint64:
return float32(value), nil
case float32:
return float32(value), nil
case float64:
return float32(value), nil
case string:
return strconv.Atof32(value)
}
panic(fmt.Sprintf("unsupported type: %s", reflect.ValueOf(v).Type().Name()))
}
// Get node value as float32
func (this *Node) F32(namespace, name string) float32 {
if node := rec_SelectNode(this, namespace, name); node != nil && node.Value != "" {
n, _ := strconv.Atof32(node.Value)
return n
}
return 0
}
func NewStatusMessage(s string) *StatusMessage {
var msg StatusMessage
progressRe := regexp.MustCompile("\\[download\\][ \t]+([0-9.]+)%[ \t]+of[ \t]+([0-9\\.mkgb]+) at[ \t]+([0-9.gkmb\\-]+)/s[ \t]+eta[ \t]+([0-9\\-]+):([0-9\\-]+)")
if strings.HasPrefix(s, "[info]") && strings.Index(s, ":") != -1 {
msg.state = kDownloadingMetadata
} else if match := progressRe.FindStringSubmatch(strings.ToLower(s)); match != nil {
msg.state = kDownloadingVideo
progress, e := strconv.Atof32(match[1])
if e != nil {
return nil
}
msg.totalBytes, e = SizeStringToInt(match[2])
if e != nil {
return nil
} else {
minsRemaining, e := strconv.Atoi(match[4])
if e == nil {
secsRemaining, e := strconv.Atoi(match[5])
if e != nil {
msg.secondsRemaining = uint64(minsRemaining*60 + secsRemaining)
}
}
msg.bytesTransferred =
uint64(float32(msg.totalBytes) * (progress / 100))
}
} else if strings.HasPrefix(s, "[ffmpeg]") && strings.Index(s, ":") != -1 {
msg.state = kExtractingAudio
}
return &msg
}
/*
Get the next term from the expression.
If the next input is a number, return it.
If the next input is a parenthesis, find the value of the expression within it.
Returns:
float32 - the value of the expression starting from the next input
*/
func term() float32 {
var result float32
nextInput := nextInput()
switch nextInput {
case "(":
result = sum()
case ")":
result += 0
default:
if a, b := strconv.Atof32(nextInput); b == nil {
result = a
} else {
if forgivenessCount == 0 {
if nextInput != "Makefile" {
fmt.Println(nextInput)
os.Exit(0)
} else {
fmt.Println(phrase[0] + ": syntax error")
os.Exit(2)
}
} else {
fmt.Println(phrase[0] + ": non-numeric argument")
os.Exit(2)
}
}
forgivenessCount--
}
return result
}
func atof(s []byte) gl.GLfloat {
f, err := strconv.Atof32(string(s))
if err != nil {
panic(err)
}
return gl.GLfloat(f)
}
//function that fetches the exchange rate from bitcoincharts
func getExchangeRate(c appengine.Context) float32 {
client := urlfetch.Client(c)
resp, err := client.Get("http://bitcoincharts.com/t/weighted_prices.json")
if err != nil {
log.Print("getExchangeRate err ", err)
return -1.0
}
//decode the json
dec := json.NewDecoder(resp.Body)
var f interface{}
if err2 := dec.Decode(&f); err != nil {
log.Println("getExchangeRate err2 ", err2)
return -1.0
}
m := f.(map[string]interface{})
//get the value for USD 24h
tmptocheck := m["USD"].(map[string]interface{})["24h"]
switch v := tmptocheck.(type) {
case string: //if value is string, it converts it
newValue, _ := strconv.Atof32(tmptocheck.(string))
//log.Print(newValue)
return newValue
default: //otherwise returns a false value (in case no data is fetched or something)
return -1.0
}
return -1.0
}
// Get attribute value as float32
func (this *Node) Af32(namespace, name string) float32 {
if s := this.As(namespace, name); s != "" {
n, _ := strconv.Atof32(s)
return n
}
return 0
}
func (rs *ResultSet) float32(ord int) (value float32, isNull bool) {
if rs.conn.LogLevel >= LogVerbose {
defer rs.conn.logExit(rs.conn.logEnter("*ResultSet.float32"))
}
isNull = rs.isNull(ord)
if isNull {
return
}
val := rs.values[ord]
switch rs.fields[ord].format {
case textFormat:
// strconv.Atof32 does not handle "-Infinity" and "Infinity"
valStr := string(val)
switch valStr {
case "-Infinity":
value = float32(math.Inf(-1))
case "Infinity":
value = float32(math.Inf(1))
default:
var err os.Error
value, err = strconv.Atof32(valStr)
panicIfErr(err)
}
case binaryFormat:
value = math.Float32frombits(binary.BigEndian.Uint32(val))
}
return
}
func GwtFloat(reg *Registry, strtable, payload []string, partype string, idxv int) (interface{}, int, os.Error) {
v, err := strconv.Atof32(payload[idxv])
if err != nil {
return nil, 1, err
}
return v, 1, nil
}
func (self *Slider) textToValue() {
f, err := strconv.Atof32(self.txt)
if err != nil {
self.value = 0
} else {
self.value = float32(f)
}
}
func (this *Section) F32(key string, defval float32) float32 {
if v, ok := this.Pairs[key]; ok {
if f, err := strconv.Atof32(v); err == nil {
return f
}
}
return defval
}
func splitUnits(in string) (val float32, units string, err os.Error) {
lastnum := strings.LastIndexAny(in, "0123456789.")
units = ""
if lastnum == -1 {
err = os.NewError("non-numeric value")
return
}
if lastnum+1 < len(in) {
/* pd.Units = proto.String(in[lastnum+1 : len(in)])*/
units = in[lastnum+1 : len(in)]
val, err = strconv.Atof32(in[0 : lastnum+1])
if err != nil {
return 0, "", err
}
} else {
val, err = strconv.Atof32(in)
}
return
}
func GetFloatQueryParam(params map[string][]string, name string) (float32, *string) {
stringValue, err := GetQueryParam(params, name)
if err != nil {
return 0.0, err
}
result, convErr := strconv.Atof32(*stringValue)
if convErr != nil {
message := "Invalid value for parameter " + name + ", expected float"
return 0.0, &message
}
return result, nil
}
/**
* Read row data packet
*/
func (pkt *packetRowData) read(reader *bufio.Reader) (err os.Error) {
// Read (check if exists) null bit map
c, err := reader.ReadByte()
if err != nil {
return
}
if c >= 0x40 && c <= 0x7f {
pkt.nullBitMap = c
} else {
reader.UnreadByte()
}
// Allocate memory
pkt.values = make([]interface{}, len(pkt.fields))
// Read data for each field
for i, field := range pkt.fields {
str, _, err := pkt.readlengthCodedString(reader)
if err != nil {
return
}
switch field.Type {
// Strings and everythign else, keep as string
default:
pkt.values[i] = str
// Tiny, small + med int convert into (u)int
case FIELD_TYPE_TINY, FIELD_TYPE_SHORT, FIELD_TYPE_LONG:
if field.Flags.Unsigned {
pkt.values[i], _ = strconv.Atoui(str)
} else {
pkt.values[i], _ = strconv.Atoi(str)
}
// Big int convert to (u)int64
case FIELD_TYPE_LONGLONG:
if field.Flags.Unsigned {
pkt.values[i], _ = strconv.Atoui64(str)
} else {
pkt.values[i], _ = strconv.Atoi64(str)
}
// Floats
case FIELD_TYPE_FLOAT:
pkt.values[i], _ = strconv.Atof32(str)
// Double
case FIELD_TYPE_DOUBLE:
pkt.values[i], _ = strconv.Atof64(str)
}
}
return
}
//function to fetch difficulty from the blockexplorer
func fetchDifficulty(c appengine.Context) float32 {
client := urlfetch.Client(c)
resp, err := client.Get("http://blockexplorer.com/q/getdifficulty")
if err != nil {
log.Print("fetchDifficulty err %s", err.String())
//http.Error(w, err.String(), http.StatusInternalServerError)
return -1.0
}
//read response
bs, _ := ioutil.ReadAll(resp.Body)
//convert string to float
difficulty, _ := strconv.Atof32(string(bs))
return difficulty
}
// Action to be performed by each button, returns a handler function
func Input(b *gtk.GtkButton) func() {
return func() {
if strings.Index(operators, b.GetLabel()) != -1 {
val, _ := strconv.Atof32(display.GetText())
Calculation(val, b.GetLabel())
display.SetText(GetResult())
inputMode = false
} else {
if inputMode {
display.SetText(display.GetText() + b.GetLabel())
} else {
display.SetText(b.GetLabel())
inputMode = true
if result.operator == "=" {
Reset()
}
}
}
}
}
// Wrapper around strconv.Atof32. Handles dddddp+ddd (binary exponent)
// itself, passes the rest on to strconv.Atof32.
func myatof32(s string) (f float32, ok bool) {
a := strings.Split(s, "p", 2)
if len(a) == 2 {
n, err := strconv.Atoi(a[0])
if err != nil {
println("bad n", a[0])
return 0, false
}
e, err1 := strconv.Atoi(a[1])
if err1 != nil {
println("bad p", a[1])
return 0, false
}
return float32(float64(n) * pow2(e)), true
}
f1, err1 := strconv.Atof32(s)
if err1 != nil {
return 0, false
}
return f1, true
}
//page that calculates everything for the user
func recalculate(w http.ResponseWriter, r *http.Request) {
//log.Print("recalculate")
var Calc Calculations //new calculations instance
//getting data from request
Calc.Difficulty, _ = strconv.Atof32(r.FormValue("difficulty"))
Calc.HashRate, _ = strconv.Atof32(r.FormValue("hashrate"))
Calc.ExchangeRate, _ = strconv.Atof32(r.FormValue("exchangerate"))
Calc.DisplayResults = true //set to true to display the second table
Calc.RigCost, _ = strconv.Atof32(r.FormValue("rigcost"))
Calc.PowerConsumption, _ = strconv.Atof32(r.FormValue("powerconsumption"))
Calc.PowerCost, _ = strconv.Atof32(r.FormValue("powercost"))
Calc.BitcoinsPerBlock, _ = strconv.Atof32(r.FormValue("bitcoinsperblock"))
Calc = calculateEverything(Calc) //perform aditional calculations
CalcTemplate.Execute(w, Calc) //display the page
}
// parse an individial element of perfdata
func parsePerfDataElement(str string) (pd *PerfData, err os.Error) {
m := strings.SplitN(str, "=", 2)
if len(m) < 2 {
err = os.NewError("no value")
return nil, err
}
name := m[0]
pd = &PerfData{Name: proto.String(name)}
n := strings.Split(m[1], ";")
nf := make([]float32, len(n))
var units string
nf[0], units, err = splitUnits(n[0])
pd.Value = proto.Float32(nf[0])
if units != "" {
pd.Units = proto.String(units)
}
// convert remaining values to floats if they exist
for i, v := range n[1:len(n)] {
nf[i+1], err = strconv.Atof32(v)
if err != nil {
return nil, err
}
}
switch {
case len(nf) >= 5:
pd.Maximum = proto.Float32(nf[4])
fallthrough
case len(nf) >= 4:
pd.Minimum = proto.Float32(nf[3])
fallthrough
case len(nf) >= 3:
pd.Critical = proto.Float32(nf[2])
fallthrough
case len(nf) >= 2:
pd.Warning = proto.Float32(nf[1])
}
return pd, nil
}
// t is a struct type.
func buildDefaultMessage(t reflect.Type) (dm defaultMessage) {
sprop := GetProperties(t)
for _, prop := range sprop.Prop {
fi := sprop.tags[prop.Tag]
ft := t.Field(fi).Type
// nested messages
if ft.Kind() == reflect.Ptr && ft.Elem().Kind() == reflect.Struct {
dm.nested = append(dm.nested, fi)
continue
}
sf := scalarField{
index: fi,
kind: ft.Elem().Kind(),
}
// scalar fields without defaults
if prop.Default == "" {
dm.scalars = append(dm.scalars, sf)
continue
}
// a scalar field: either *T or []byte
switch ft.Elem().Kind() {
case reflect.Bool:
x, err := strconv.Atob(prop.Default)
if err != nil {
log.Printf("proto: bad default bool %q: %v", prop.Default, err)
continue
}
sf.value = x
case reflect.Float32:
x, err := strconv.Atof32(prop.Default)
if err != nil {
log.Printf("proto: bad default float32 %q: %v", prop.Default, err)
continue
}
sf.value = x
case reflect.Float64:
x, err := strconv.Atof64(prop.Default)
if err != nil {
log.Printf("proto: bad default float64 %q: %v", prop.Default, err)
continue
}
sf.value = x
case reflect.Int32:
x, err := strconv.Atoi64(prop.Default)
if err != nil {
log.Printf("proto: bad default int32 %q: %v", prop.Default, err)
continue
}
sf.value = int32(x)
case reflect.Int64:
x, err := strconv.Atoi64(prop.Default)
if err != nil {
log.Printf("proto: bad default int64 %q: %v", prop.Default, err)
continue
}
sf.value = x
case reflect.String:
sf.value = prop.Default
case reflect.Uint8:
// []byte (not *uint8)
sf.value = []byte(prop.Default)
case reflect.Uint32:
x, err := strconv.Atoui64(prop.Default)
if err != nil {
log.Printf("proto: bad default uint32 %q: %v", prop.Default, err)
continue
}
sf.value = uint32(x)
case reflect.Uint64:
x, err := strconv.Atoui64(prop.Default)
if err != nil {
log.Printf("proto: bad default uint64 %q: %v", prop.Default, err)
continue
}
sf.value = x
default:
log.Printf("proto: unhandled def kind %v", ft.Elem().Kind())
continue
}
dm.scalars = append(dm.scalars, sf)
}
return dm
}
func filterEdges(c appengine.Context, filename string, chrm string, start int, end int, filters []filter) ([]edge, os.Error) {
out := make([]edge, 0, 2)
indexname := fmt.Sprintf("%s.index.%s.json", filename, chrm)
c.Logf("attempting to load %s from m cache", indexname)
var indexjson []byte
switch indexitem, err := memcache.Get(c, indexname); {
case err == memcache.ErrCacheMiss:
c.Logf("item not in the cache")
q := datastore.NewQuery("fileNameToKey").Filter("Filename=", indexname)
blobs := make([]fileNameToKey, 0, 100)
if _, err := q.GetAll(c, &blobs); err != nil {
c.Logf("%v", err)
}
if len(blobs) == 0 {
return out, nil
}
c.Logf("blobs[0] is %v %v", blobs[0].Filename, blobs[0].BlobKey)
blobreader := blobstore.NewReader(c, blobs[0].BlobKey)
c.Logf("reading blob into indexjson")
c.Logf("indexjson is %v long before", len(indexjson))
var readerr os.Error
if indexjson, readerr = ioutil.ReadAll(blobreader); readerr != nil && readerr != os.EOF {
c.Logf("error loading json from blob: %v", readerr)
return out, readerr
}
item := &memcache.Item{Key: indexname,
Value: indexjson,
}
// Add the item to the memcache, if the key does not already exist
if err := memcache.Add(c, item); err == memcache.ErrNotStored {
c.Logf("item with key %q already exists", item.Key)
} else if err != nil {
c.Logf("error adding item: %v", err)
}
case err != nil:
c.Logf("error getting item: %v", err)
case err == nil:
c.Logf(" indexjson Loaded from memcache.")
indexjson = indexitem.Value
}
c.Logf("indexjson is %v long after", len(indexjson))
index := make([]edge, 0, 100)
if err := json.Unmarshal(indexjson, &index); err != nil {
c.Logf("error parseingjson: %v", err)
return out, err
}
if len(index) > 0 {
leftbound := bisect_left(index, start, 0, -1)
rightbound := bisect_right(index, end, 0, -1)
for i := leftbound; i < rightbound; i++ {
e := index[i]
includeme := false
if len(filters) > 0 {
for _, filter := range filters {
switch min, err := strconv.Atof32(filter.Minscore); {
case err != nil:
c.Logf("error parseing filter: %v", err)
case e.Type == filter.Type && e.Score >= min:
includeme = true
break
}
}
} else {
includeme = true
}
if includeme {
out = append(out, e)
}
}
}
return out, nil
}
func parse_forth(dat string, DataStack *vector.Vector) {
L := DataStack.Len()
switch strings.TrimSpace(string(dat)) {
case "":
case "<cr>":
return
case "t":
//check the DataStack size using the popped value
// if it passes, then the program continues
minimum := int(DataStack.Pop().(float32))
if DataStack.Len() < minimum {
log.Println("DataStack has not enough minerals (values)")
}
case ".":
log.Println(DataStack.Pop())
case "0SP":
DataStack.Cut(0, L)
case ".S":
log.Println(DataStack)
case "2/":
DataStack.Push(DataStack.Pop().(float32) / 2)
case "2*":
DataStack.Push(DataStack.Pop().(float32) * 2)
case "2-":
DataStack.Push(DataStack.Pop().(float32) - 2)
case "2+":
DataStack.Push(DataStack.Pop().(float32) + 2)
case "1-":
DataStack.Push(DataStack.Pop().(float32) - 1)
case "1+":
DataStack.Push(DataStack.Pop().(float32) + 1)
case "DUP":
DataStack.Push(DataStack.Last())
case "?DUP":
if DataStack.Last().(float32) != 0 {
DataStack.Push(DataStack.Last().(float32))
}
case "PICK":
number := int(DataStack.Pop().(float32))
if number < L {
DataStack.Push(DataStack.At(L - 1 - number).(float32))
} else {
log.Fatal("picking out of stack not allowed. Stack Length: " + string(L) + ". Selecting: " + string(number) + ".")
return
}
case "TUCK":
DataStack.Insert(L-2, int(DataStack.Last().(float32)))
case "NIP":
DataStack.Delete(L - 2)
case "2DROP":
DataStack.Pop()
DataStack.Pop()
case "2DUP":
DataStack.Push(DataStack.At(L - 2))
DataStack.Push(DataStack.At(DataStack.Len() - 2))
case "DROP":
DataStack.Pop()
case "OVER":
DataStack.Push(DataStack.At(L - 2))
case "SWAP":
l := DataStack.Len()
DataStack.Swap(l-2, l-1)
case "*":
num1 := DataStack.Pop().(float32)
num2 := DataStack.Pop().(float32)
DataStack.Push(num1 * num2)
case "+":
num1 := DataStack.Pop().(float32)
num2 := DataStack.Pop().(float32)
DataStack.Push(num1 + num2)
case "-":
num1 := DataStack.Pop().(float32)
num2 := DataStack.Pop().(float32)
DataStack.Push(num2 - num1)
case "/":
num1 := DataStack.Pop().(float32)
num2 := DataStack.Pop().(float32)
DataStack.Push(num2 / num1)
case "-ROT":
DataStack.Swap(L-1, L-2)
DataStack.Swap(L-2, L-3)
case "ROT":
DataStack.Swap(L-3, L-2)
DataStack.Swap(L-2, L-1)
case "2OVER":
DataStack.Push(DataStack.At(L - 4))
DataStack.Push(DataStack.At(DataStack.Len() - 4))
case "2SWAP":
DataStack.Swap(L-4, L-2)
DataStack.Swap(L-3, L-1)
case "EMIT":
log.Println(string([]byte{uint8(DataStack.Last().(float32))}))
default:
val, ok := strconv.Atof32(dat)
if ok == nil {
DataStack.Push(val)
} else {
log.Println(ok)
log.Fatalln("error, unknown token \"" + dat + "\"")
}
}
}
func (this *Option) Float32() float32 {
if v, err := strconv.Atof32(this.value); err == nil {
return v
}
return this.defaultval.(float32)
}
func (s *Stmt) Scan(args ...interface{}) os.Error {
n := int(C.sqlite3_column_count(s.stmt))
if n != len(args) {
return os.NewError("incorrect argument count")
}
for i, v := range args {
n := C.sqlite3_column_bytes(s.stmt, C.int(i))
p := C.sqlite3_column_blob(s.stmt, C.int(i))
if p == nil && n > 0 {
return os.NewError("got nil blob")
}
var data []byte
if n > 0 {
// fix(jimt): Must make a copy here. Once Stmt.Finalize() is called,
// this memory becomes invalid. This was done on purpose according
// to Russ: http://code.google.com/p/gosqlite/issues/detail?id=1
// I prefer it with the copy statement here. Behaviour otherwise is
// misleading and cost me 3 hours of hair pulling.
data = make([]byte, n)
copy(data, (*[1<<31 - 1]byte)(unsafe.Pointer(p))[0:n])
}
switch v := v.(type) {
case *[]byte:
*v = data
case *string:
*v = string(data)
case *bool:
*v = string(data) == "1"
case *int:
x, err := strconv.Atoi(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = x
case *int8:
x, err := strconv.Atoi(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = int8(x)
case *int16:
x, err := strconv.Atoi(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = int16(x)
case *int32:
x, err := strconv.Atoi(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = int32(x)
case *int64:
x, err := strconv.Atoi64(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int64: " + err.String())
}
*v = x
case *uint:
x, err := strconv.Atoui(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = x
case *uint8:
x, err := strconv.Atoui(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = uint8(x)
case *uint16:
x, err := strconv.Atoui(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = uint16(x)
case *uint32:
x, err := strconv.Atoui(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int: " + err.String())
}
*v = uint32(x)
case *uint64:
x, err := strconv.Atoui64(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as int64: " + err.String())
}
*v = x
case *float:
x, err := strconv.Atof(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as float64: " + err.String())
}
*v = x
case *float32:
x, err := strconv.Atof32(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as float64: " + err.String())
}
*v = x
case *float64:
x, err := strconv.Atof64(string(data))
if err != nil {
return os.NewError("arg " + strconv.Itoa(i) + " as float64: " + err.String())
}
*v = x
default:
return os.NewError("unsupported type in Scan: " + reflect.Typeof(v).String())
}
}
return nil
}
// literal consumes a literal from d.data[d.off-1:], decoding into the value v.
// The first byte of the literal has been read already
// (that's how the caller knows it's a literal).
func (d *decodeState) literal(v reflect.Value) {
// All bytes inside literal return scanContinue op code.
start := d.off - 1
op := d.scanWhile(scanContinue)
// Scan read one byte too far; back up.
d.off--
d.scan.undo(op)
item := d.data[start:d.off]
// Check for unmarshaler.
wantptr := item[0] == 'n' // null
unmarshaler, pv := d.indirect(v, wantptr)
if unmarshaler != nil {
err := unmarshaler.UnmarshalJSON(item)
if err != nil {
d.error(err)
}
return
}
v = pv
switch c := item[0]; c {
case 'n': // null
switch v.(type) {
default:
d.saveError(&UnmarshalTypeError{"null", v.Type()})
case *reflect.InterfaceValue, *reflect.PtrValue, *reflect.MapValue:
v.SetValue(nil)
}
case 't', 'f': // true, false
value := c == 't'
switch v := v.(type) {
default:
d.saveError(&UnmarshalTypeError{"bool", v.Type()})
case *reflect.BoolValue:
v.Set(value)
case *reflect.InterfaceValue:
v.Set(reflect.NewValue(value))
}
case '"': // string
s, ok := unquote(item)
if !ok {
d.error(errPhase)
}
switch v := v.(type) {
default:
d.saveError(&UnmarshalTypeError{"string", v.Type()})
case *reflect.StringValue:
v.Set(s)
case *reflect.InterfaceValue:
v.Set(reflect.NewValue(s))
}
default: // number
if c != '-' && (c < '0' || c > '9') {
d.error(errPhase)
}
s := string(item)
switch v := v.(type) {
default:
d.error(&UnmarshalTypeError{"number", v.Type()})
case *reflect.InterfaceValue:
n, err := strconv.Atof64(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(reflect.NewValue(n))
case *reflect.IntValue:
n, err := strconv.Atoi(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
case *reflect.Int8Value:
n, err := strconv.Atoi(s)
if err != nil || int(int8(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(int8(n))
case *reflect.Int16Value:
n, err := strconv.Atoi(s)
if err != nil || int(int16(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(int16(n))
case *reflect.Int32Value:
n, err := strconv.Atoi(s)
if err != nil || int(int32(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(int32(n))
case *reflect.Int64Value:
n, err := strconv.Atoi64(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
case *reflect.UintValue:
n, err := strconv.Atoui(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
case *reflect.Uint8Value:
n, err := strconv.Atoui(s)
if err != nil || uint(uint8(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(uint8(n))
case *reflect.Uint16Value:
n, err := strconv.Atoui(s)
if err != nil || uint(uint16(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(uint16(n))
case *reflect.Uint32Value:
n, err := strconv.Atoui(s)
if err != nil || uint(uint32(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(uint32(n))
case *reflect.Uint64Value:
n, err := strconv.Atoui64(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
case *reflect.UintptrValue:
n, err := strconv.Atoui64(s)
if err != nil || uint64(uintptr(n)) != n {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(uintptr(n))
case *reflect.FloatValue:
n, err := strconv.Atof(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
case *reflect.Float32Value:
n, err := strconv.Atof32(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
case *reflect.Float64Value:
n, err := strconv.Atof64(s)
if err != nil {
d.saveError(&UnmarshalTypeError{"number " + s, v.Type()})
break
}
v.Set(n)
}
}
}
func (g *GetOpt) GetFloat32(o string) (float32, os.Error) {
return strconv.Atof32(g.Get(o))
}
func writeTo(data []byte, val reflect.Value) os.Error {
s := string(data)
switch v := val.(type) {
// if we're writing to an interace value, just set the byte data
// TODO: should we support writing to a pointer?
case *reflect.InterfaceValue:
v.Set(reflect.NewValue(data))
case *reflect.BoolValue:
b, err := strconv.Atob(s)
if err != nil {
return err
}
v.Set(b)
case *reflect.IntValue:
i, err := strconv.Atoi(s)
if err != nil {
return err
}
v.Set(i)
case *reflect.Int8Value:
i, err := strconv.Atoi(s)
if err != nil {
return err
}
v.Set(int8(i))
case *reflect.Int16Value:
i, err := strconv.Atoi(s)
if err != nil {
return err
}
v.Set(int16(i))
case *reflect.Int32Value:
i, err := strconv.Atoi(s)
if err != nil {
return err
}
v.Set(int32(i))
case *reflect.Int64Value:
i, err := strconv.Atoi64(s)
if err != nil {
return err
}
v.Set(i)
case *reflect.UintValue:
ui, err := strconv.Atoui(s)
if err != nil {
return err
}
v.Set(ui)
case *reflect.Uint8Value:
ui, err := strconv.Atoui(s)
if err != nil {
return err
}
v.Set(uint8(ui))
case *reflect.Uint16Value:
ui, err := strconv.Atoui(s)
if err != nil {
return err
}
v.Set(uint16(ui))
case *reflect.Uint32Value:
ui, err := strconv.Atoui(s)
if err != nil {
return err
}
v.Set(uint32(ui))
case *reflect.Uint64Value:
ui, err := strconv.Atoui64(s)
if err != nil {
return err
}
v.Set(ui)
case *reflect.UintptrValue:
ui, err := strconv.Atoui64(s)
if err != nil {
return err
}
v.Set(uintptr(ui))
case *reflect.FloatValue:
f, err := strconv.Atof(s)
if err != nil {
return err
}
v.Set(f)
case *reflect.Float32Value:
f, err := strconv.Atof32(s)
if err != nil {
return err
}
v.Set(f)
case *reflect.Float64Value:
f, err := strconv.Atof64(s)
if err != nil {
return err
}
v.Set(f)
case *reflect.StringValue:
v.Set(s)
case *reflect.SliceValue:
typ := v.Type().(*reflect.SliceType)
if _, ok := typ.Elem().(*reflect.Uint8Type); ok {
v.Set(reflect.NewValue(data).(*reflect.SliceValue))
}
}
return nil
}
