java/src/main/java/com/jsoniter/CodegenAccess.java at master · eason2017/java · GitHub

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package com.jsoniter;

import com.jsoniter.spi.*;

import java.io.IOException;

import java.util.Collection;

import java.util.List;

// only uesd by generated code to access decoder

public class CodegenAccess {

public static void addMissingField(List missingFields, long tracker, long mask, String fieldName) {

if ((tracker & mask) == 0) {

missingFields.add(fieldName);

}

public static <T extends Collection> T reuseCollection(T col) {

col.clear();

return col;

}

public static Object existingObject(JsonIterator iter) {

return iter.existingObject;

}

public static Object resetExistingObject(JsonIterator iter) {

Object obj = iter.existingObject;

iter.existingObject = null;

return obj;

}

public static void setExistingObject(JsonIterator iter, Object obj) {

iter.existingObject = obj;

}

public final static boolean nextTokenIsComma(final JsonIterator iter) throws IOException {

byte c = readByte(iter);

if (c == ',') {

return true;

}

return nextTokenIsCommaSlowPath(iter, c);

}

private static boolean nextTokenIsCommaSlowPath(JsonIterator iter, byte c) throws IOException {

switch (c) {

case ' ':

case '\n':

case '\r':

case '\t':

break;

default:

return false;

}

return nextToken(iter) == ',';

}

public static byte nextToken(JsonIterator iter) throws IOException {

return IterImpl.nextToken(iter);

}

public static final boolean readBoolean(String cacheKey, JsonIterator iter) throws IOException {

return ((Decoder.BooleanDecoder) JsoniterSpi.getDecoder(cacheKey)).decodeBoolean(iter);

}

public static final short readShort(String cacheKey, JsonIterator iter) throws IOException {

return ((Decoder.ShortDecoder) JsoniterSpi.getDecoder(cacheKey)).decodeShort(iter);

}

public static final int readInt(String cacheKey, JsonIterator iter) throws IOException {

return ((Decoder.IntDecoder) JsoniterSpi.getDecoder(cacheKey)).decodeInt(iter);

}

public static final long readLong(String cacheKey, JsonIterator iter) throws IOException {

return ((Decoder.LongDecoder) JsoniterSpi.getDecoder(cacheKey)).decodeLong(iter);

}

public static final float readFloat(String cacheKey, JsonIterator iter) throws IOException {

return ((Decoder.FloatDecoder) JsoniterSpi.getDecoder(cacheKey)).decodeFloat(iter);

}

public static final double readDouble(String cacheKey, JsonIterator iter) throws IOException {

return ((Decoder.DoubleDecoder) JsoniterSpi.getDecoder(cacheKey)).decodeDouble(iter);

}

public static final <T> T read(String cacheKey, JsonIterator iter) throws IOException {

return (T) Codegen.getDecoder(cacheKey, null).decode(iter);

}

public static boolean readArrayStart(JsonIterator iter) throws IOException {

byte c = IterImpl.nextToken(iter);

if (c == '[') {

c = IterImpl.nextToken(iter);

if (c == ']') {

return false;

}

iter.unreadByte();

return true;

}

throw iter.reportError("readArrayStart", "expect [ or n");

}

public static boolean readObjectStart(JsonIterator iter) throws IOException {

byte c = IterImpl.nextToken(iter);

if (c == '{') {

c = IterImpl.nextToken(iter);

if (c == '}') {

return false;

}

iter.unreadByte();

return true;

}

throw iter.reportError("readObjectStart", "expect { or n, found: " + (char) c);

}

public static void reportIncompleteObject(JsonIterator iter) {

throw iter.reportError("genObject", "expect }");

}

public static void reportIncompleteArray(JsonIterator iter) {

throw iter.reportError("genArray", "expect ]");

}

public static final String readObjectFieldAsString(JsonIterator iter) throws IOException {

String field = iter.readString();

if (IterImpl.nextToken(iter) != ':') {

throw iter.reportError("readObjectFieldAsString", "expect :");

}

return field;

}

public static final int readObjectFieldAsHash(JsonIterator iter) throws IOException {

return IterImpl.readObjectFieldAsHash(iter);

}

public static final Slice readObjectFieldAsSlice(JsonIterator iter) throws IOException {

return IterImpl.readObjectFieldAsSlice(iter);

}

public static final Slice readSlice(JsonIterator iter) throws IOException {

return IterImpl.readSlice(iter);

}

public static final Object readMapKey(String cacheKey, JsonIterator iter) throws IOException {

Slice encodedMapKey = readObjectFieldAsSlice(iter);

MapKeyDecoder mapKeyDecoder = JsoniterSpi.getMapKeyDecoder(cacheKey);

return mapKeyDecoder.decode(encodedMapKey);

}

final static boolean skipWhitespacesWithoutLoadMore(JsonIterator iter) throws IOException {

for (int i = iter.head; i < iter.tail; i++) {

byte c = iter.buf[i];

switch (c) {

case ' ':

case '\n':

case '\t':

case '\r':

continue;

}

iter.head = i;

return false;

}

return true;

}

public static void staticGenDecoders(TypeLiteral[] typeLiterals, StaticCodegenTarget staticCodegenTarget) {

Codegen.staticGenDecoders(typeLiterals, staticCodegenTarget);

}

public static int head(JsonIterator iter) {

return iter.head;

}

public static void unreadByte(JsonIterator iter) throws IOException {

iter.unreadByte();

}

public static byte readByte(JsonIterator iter) throws IOException {

return IterImpl.readByte(iter);

}

public static int calcHash(String str) {

return CodegenImplObjectHash.calcHash(str);

}

public static void skipFixedBytes(JsonIterator iter, int n) throws IOException {

IterImpl.skipFixedBytes(iter, n);

}

public static class StaticCodegenTarget {

public String outputDir;

public StaticCodegenTarget(String outputDir) {

this.outputDir = outputDir;

}

java/src/main/java/com/jsoniter/CodegenAccess.java at master · eason2017/java · GitHub

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