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CodegenAccess.java
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200 lines (164 loc) · 6.38 KB
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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 {
Decoder mapKeyDecoder = JsoniterSpi.getMapKeyDecoder(cacheKey);
Object key = mapKeyDecoder.decode(iter);
if (IterImpl.nextToken(iter) != ':') {
throw iter.reportError("readMapKey", "expect :");
}
return key;
}
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;
}
}
}