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optimized code, less access field, use local variable

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高铁
2016-04-27 09:21:53 +08:00
parent 104e71337b
commit 37ad396fe8
2 changed files with 35 additions and 14 deletions
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src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java
+33 -12
View File
@@ -445,7 +445,13 @@ public class DefaultJSONParser implements Closeable {
object.put(key, value);
} else if (ch == '[') { // 减少嵌套，兼容android
lexer.token = JSONToken.LBRACKET;
lexer.next();
// lexer.next();
{
int index = ++lexer.bp;
lexer.ch = (index >= lexer.len //
? EOI //
: lexer.text.charAt(index));
}
ArrayList list = new ArrayList();
this.parseArray(list, key);
value = new JSONArray(list);
@@ -455,10 +461,11 @@ public class DefaultJSONParser implements Closeable {
object.put(key, value);
}
if (lexer.token == JSONToken.RBRACE) {
token = lexer.token;
if (token == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
return object;
} else if (lexer.token == JSONToken.COMMA) {
} else if (token == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error, " + lexer.info());
@@ -511,25 +518,26 @@ public class DefaultJSONParser implements Closeable {
setContext(context, obj, key);
}
if (lexer.token == JSONToken.RBRACE) {
token = lexer.token;
if (token == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
if (!disableCircularReferenceDetect) {
this.contex = context;
}
return object;
} else if (lexer.token == JSONToken.COMMA) {
} else if (token == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error, " + lexer.info());
}
} else if (lexer.ch == 't') {
} else if (ch == 't') {
if (lexer.text.startsWith("true", lexer.bp)) {
lexer.bp += 3;
lexer.next();
object.put(key, Boolean.TRUE);
}
} else if (lexer.ch == 'f') {
} else if (ch == 'f') {
if (lexer.text.startsWith("false", lexer.bp)) {
lexer.bp += 4;
lexer.next();
@@ -1096,20 +1104,33 @@ public class DefaultJSONParser implements Closeable {
if (first_quote && lexer.ch == '"') {
value = lexer.scanStringValue('"');
if (lexer.ch == ',') {
lexer.next();
ch = lexer.ch;
if (ch == ',') {
// lexer.next();
{
int index = ++lexer.bp;
ch = lexer.ch = (index >= lexer.len //
? EOI //
: lexer.text.charAt(index));
}
array.add(value);
if (resolveStatus == NeedToResolve) {
checkListResolve(array);
}
if (lexer.ch == '"') {
if (ch == '"') {
continue;
}
lexer.nextToken();
} else if (lexer.ch == ']') {
lexer.next();
} else if (ch == ']') {
// lexer.next();
{
int index = ++lexer.bp;
lexer.ch = (index >= lexer.len //
? EOI //
: lexer.text.charAt(index));
}
array.add(value);
if (resolveStatus == NeedToResolve) {
checkListResolve(array);
src/main/java/com/alibaba/fastjson/parser/SymbolTable.java
+2 -2
View File
@@ -87,8 +87,8 @@ public class SymbolTable {
return subString(buffer, offset, len);
}
String symbol = len == buffer.length() //
? buffer //
String symbol = len == buffer.length() ? //
buffer //
: subString(buffer, offset, len);
symbol = symbol.intern();