func builtinString_replace(call FunctionCall) Value {
checkObjectCoercible(call.runtime, call.This)
target := []byte(call.This.string())
searchValue := call.Argument(0)
searchObject := searchValue._object()
// TODO If a capture is -1?
var search *p5r.Regexp
global := false
find := 1
if searchValue.IsObject() && searchObject.class == "RegExp" {
regExp := searchObject.regExpValue()
search = regExp.regularExpression
if regExp.global {
find = -1
}
} else {
search = p5r.MustCompile(p5r.QuoteMeta(searchValue.string()))
}
// TODO: Use p5r directly instead of converting to a regexp struct
found := search.MustConvert().FindAllSubmatchIndex(target, find)
if found == nil {
return toValue_string(string(target)) // !match
}
{
lastIndex := 0
result := []byte{}
replaceValue := call.Argument(1)
if replaceValue.isCallable() {
target := string(target)
replace := replaceValue._object()
for _, match := range found {
if match[0] != lastIndex {
result = append(result, target[lastIndex:match[0]]...)
}
matchCount := len(match) / 2
argumentList := make([]Value, matchCount+2)
for index := 0; index < matchCount; index++ {
offset := 2 * index
if match[offset] != -1 {
argumentList[index] = toValue_string(target[match[offset]:match[offset+1]])
} else {
argumentList[index] = Value{}
}
}
argumentList[matchCount+0] = toValue_int(match[0])
argumentList[matchCount+1] = toValue_string(target)
replacement := replace.call(Value{}, argumentList, false, nativeFrame).string()
result = append(result, []byte(replacement)...)
lastIndex = match[1]
}
} else {
replace := []byte(replaceValue.string())
for _, match := range found {
result = builtinString_findAndReplaceString(result, lastIndex, match, target, replace)
lastIndex = match[1]
}
}
if lastIndex != len(target) {
result = append(result, target[lastIndex:]...)
}
if global && searchObject != nil {
searchObject.put("lastIndex", toValue_int(lastIndex), true)
}
return toValue_string(string(result))
}
}
package otto
import (
"fmt"
"github.com/xyproto/p5r"
"math"
"strconv"
"strings"
)
var stringToNumberParseInteger = p5r.MustCompile(`^(?:0[xX])`)
func parseNumber(value string) float64 {
value = strings.TrimSpace(value)
if value == "" {
return 0
}
parseFloat := false
if strings.IndexRune(value, '.') != -1 {
parseFloat = true
} else if stringToNumberParseInteger.MatchString(value) {
parseFloat = false
} else {
parseFloat = true
}
if parseFloat {
number, err := strconv.ParseFloat(value, 64)
if err != nil && err.(*strconv.NumError).Err != strconv.ErrRange {
matchCount := len(result)
if result == nil {
matcher.put("lastIndex", toValue_int(0), true)
return Value{} // !match
}
matchCount = len(result)
valueArray := make([]Value, matchCount)
for index := 0; index < matchCount; index++ {
valueArray[index] = toValue_string(target[result[index][0]:result[index][1]])
}
matcher.put("lastIndex", toValue_int(result[matchCount-1][1]), true)
return toValue_object(call.runtime.newArrayOf(valueArray))
}
}
var builtinString_replace_Regexp = p5r.MustCompile("\\$(?:[\\$\\&\\'\\`1-9]|0[1-9]|[1-9][0-9])")
func builtinString_findAndReplaceString(input []byte, lastIndex int, match []int, target []byte, replaceValue []byte) (output []byte) {
matchCount := len(match) / 2
output = input
if match[0] != lastIndex {
output = append(output, target[lastIndex:match[0]]...)
}
// TODO: Use p5r directly instead of converting to a regexp struct
replacement := builtinString_replace_Regexp.MustConvert().ReplaceAllFunc(replaceValue, func(part []byte) []byte {
// TODO Check if match[0] or match[1] can be -1 in this scenario
switch part[1] {
case '$':
return []byte{'$'}
case '&':
return target[match[0]:match[1]]
func builtinNewFunction(self *_object, argumentList []Value) Value {
return toValue_object(builtinNewFunctionNative(self.runtime, argumentList))
}
func argumentList2parameterList(argumentList []Value) []string {
parameterList := make([]string, 0, len(argumentList))
for _, value := range argumentList {
tmp := strings.FieldsFunc(value.string(), func(chr rune) bool {
return chr == ',' || unicode.IsSpace(chr)
})
parameterList = append(parameterList, tmp...)
}
return parameterList
}
var matchIdentifier = p5r.MustCompile(`^[$_\p{L}][$_\p{L}\d}]*$`)
func builtinNewFunctionNative(runtime *_runtime, argumentList []Value) *_object {
var parameterList, body string
count := len(argumentList)
if count > 0 {
tmp := make([]string, 0, count-1)
for _, value := range argumentList[0 : count-1] {
tmp = append(tmp, value.string())
}
parameterList = strings.Join(tmp, ",")
body = argumentList[count-1].string()
}
// FIXME
function, err := parser.ParseFunction(parameterList, body)