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Code Issues Projects Releases Wiki Activity

Renamed BdfReader methods, added convenience methods.

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This commit is contained in:
akwizgran
2016-02-29 13:32:44 +00:00
parent 9dec498e7e
commit 3ce62818aa
8 changed files with 128 additions and 57 deletions
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61
briar-core/src/org/briarproject/data/BdfReaderImpl.java
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@@ -1,11 +1,14 @@
package org.briarproject.data;
import org.briarproject.api.FormatException;
import org.briarproject.api.data.BdfDictionary;
import org.briarproject.api.data.BdfList;
import org.briarproject.api.data.BdfReader;
import java.io.IOException;
import java.io.InputStream;
import static org.briarproject.api.data.BdfDictionary.NULL_VALUE;
import static org.briarproject.data.Types.DICTIONARY;
import static org.briarproject.data.Types.END;
import static org.briarproject.data.Types.FALSE;
@@ -74,11 +77,26 @@ class BdfReaderImpl implements BdfReader {
}
}
private Object readObject() throws IOException {
if (hasNull()) {
readNull();
return NULL_VALUE;
}
if (hasBoolean()) return readBoolean();
if (hasLong()) return readLong();
if (hasDouble()) return readDouble();
if (hasString()) return readString(Integer.MAX_VALUE);
if (hasRaw()) return readRaw(Integer.MAX_VALUE);
if (hasList()) return readList();
if (hasDictionary()) return readDictionary();
throw new FormatException();
}
private void skipObject() throws IOException {
if (hasNull()) skipNull();
else if (hasBoolean()) skipBoolean();
else if (hasInteger()) skipInteger();
else if (hasFloat()) skipFloat();
else if (hasLong()) skipLong();
else if (hasDouble()) skipDouble();
else if (hasString()) skipString();
else if (hasRaw()) skipRaw();
else if (hasList()) skipList();
@@ -129,15 +147,15 @@ class BdfReaderImpl implements BdfReader {
hasLookahead = false;
}
public boolean hasInteger() throws IOException {
public boolean hasLong() throws IOException {
if (!hasLookahead) readLookahead();
if (eof) return false;
return next == INT_8 || next == INT_16 || next == INT_32 ||
next == INT_64;
}
public long readInteger() throws IOException {
if (!hasInteger()) throw new FormatException();
public long readLong() throws IOException {
if (!hasLong()) throw new FormatException();
hasLookahead = false;
if (next == INT_8) return readInt8();
if (next == INT_16) return readInt16();
@@ -169,8 +187,8 @@ class BdfReaderImpl implements BdfReader {
return value;
}
public void skipInteger() throws IOException {
if (!hasInteger()) throw new FormatException();
public void skipLong() throws IOException {
if (!hasLong()) throw new FormatException();
if (next == INT_8) skip(1);
else if (next == INT_16) skip(2);
else if (next == INT_32) skip(4);
@@ -178,14 +196,14 @@ class BdfReaderImpl implements BdfReader {
hasLookahead = false;
}
public boolean hasFloat() throws IOException {
public boolean hasDouble() throws IOException {
if (!hasLookahead) readLookahead();
if (eof) return false;
return next == FLOAT_64;
}
public double readFloat() throws IOException {
if (!hasFloat()) throw new FormatException();
public double readDouble() throws IOException {
if (!hasDouble()) throw new FormatException();
hasLookahead = false;
readIntoBuffer(8);
long value = 0;
@@ -193,8 +211,8 @@ class BdfReaderImpl implements BdfReader {
return Double.longBitsToDouble(value);
}
public void skipFloat() throws IOException {
if (!hasFloat()) throw new FormatException();
public void skipDouble() throws IOException {
if (!hasDouble()) throw new FormatException();
skip(8);
hasLookahead = false;
}
@@ -268,6 +286,15 @@ class BdfReaderImpl implements BdfReader {
return next == LIST;
}
public BdfList readList() throws IOException {
if (!hasList()) throw new FormatException();
BdfList list = new BdfList();
readListStart();
while (!hasListEnd()) list.add(readObject());
readListEnd();
return list;
}
public void readListStart() throws IOException {
if (!hasList()) throw new FormatException();
hasLookahead = false;
@@ -305,6 +332,16 @@ class BdfReaderImpl implements BdfReader {
return next == DICTIONARY;
}
public BdfDictionary readDictionary() throws IOException {
if (!hasDictionary()) throw new FormatException();
BdfDictionary dictionary = new BdfDictionary();
readDictionaryStart();
while (!hasDictionaryEnd())
dictionary.put(readString(Integer.MAX_VALUE), readObject());
readDictionaryEnd();
return dictionary;
}
public void readDictionaryStart() throws IOException {
if (!hasDictionary()) throw new FormatException();
hasLookahead = false;