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minor optimizations

This commit is contained in:
Josh Baker 2016-08-18 07:18:24 -07:00
parent 8be3ed7605
commit a721b7ad07
1 changed files with 14 additions and 18 deletions
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32
gjson.go
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@ -4,7 +4,7 @@ package gjson
import "strconv" import "strconv"
// Type is Result type // Type is Result type
type Type byte type Type int
const ( const (
// Null is a null json value // Null is a null json value
@ -177,10 +177,11 @@ func Get(json string, path string) Result {
end_parts: end_parts:
var i, depth int var i, depth int
var squashed string
var f frame var f frame
var matched bool var matched bool
var stack = make([]frame, 0, 4) var stack = make([]frame, 1, 4)
var value Result
var vc byte
depth = 1 depth = 1
@ -200,7 +201,7 @@ end_parts:
} }
} }
stack = append(stack, f) stack[0].stype = f.stype
// search for key // search for key
read_key: read_key:
@ -263,8 +264,6 @@ read_key:
// read to the value token // read to the value token
// there's likely a colon here, but who cares. just burn past it. // there's likely a colon here, but who cares. just burn past it.
var val string
var vc byte
for ; i < len(json); i++ { for ; i < len(json); i++ {
if json[i] < '"' { // control character if json[i] < '"' { // control character
continue continue
@ -291,7 +290,7 @@ read_key:
} }
break break
} }
val = json[s:i] value.Raw = json[s:i]
goto proc_val goto proc_val
} }
if json[i] < ']' { // '[' if json[i] < ']' { // '['
@ -309,7 +308,7 @@ read_key:
break break
} }
} }
val = json[s:i] value.Raw = json[s:i]
goto proc_val goto proc_val
} }
// must be an open objet // must be an open objet
@ -317,6 +316,7 @@ read_key:
vc = '{' vc = '{'
goto proc_delim goto proc_delim
} }
vc = 0
// sanity check before we move on // sanity check before we move on
if i >= len(json) { if i >= len(json) {
@ -367,7 +367,7 @@ proc_delim:
} }
} }
} }
squashed = json[s:i] value.Raw = json[s:i]
// -- END SQUASH -- // // -- END SQUASH -- //
} }
@ -376,11 +376,8 @@ proc_val:
if matched { if matched {
// hit, that's good! // hit, that's good!
if depth == len(parts) { if depth == len(parts) {
var value Result
value.Raw = val
switch vc { switch vc {
case '{', '[': case '{', '[':
value.Raw = squashed
value.Type = JSON value.Type = JSON
case 'n': case 'n':
value.Type = Null value.Type = Null
@ -396,7 +393,8 @@ proc_val:
s = i s = i
for ; i < len(json); i++ { for ; i < len(json); i++ {
if json[i] == '"' { if json[i] == '"' {
value.Str = json[s:i] value.Raw = json[s:i]
value.Str = value.Raw
i++ i++
break break
} }
@ -420,7 +418,8 @@ proc_val:
break break
} }
} }
value.Str = unescape(json[s:i]) value.Raw = json[s:i]
value.Str = unescape(value.Raw)
i++ i++
break break
} }
@ -428,12 +427,9 @@ proc_val:
// end readstr // end readstr
case '0': case '0':
value.Type = Number value.Type = Number
value.Num, _ = strconv.ParseFloat(val, 64) value.Num, _ = strconv.ParseFloat(value.Raw, 64)
} }
return value return value
//} else if vc != '{' {
// can only deep search objects
// return Result{}
} else { } else {
f.stype = vc f.stype = vc
f.count = 0 f.count = 0