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Removed String methods from LittleEndianInput

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@707541 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-10-24 04:30:38 +00:00
parent 21a68aae0e
commit a09b170ad4
5 changed files with 19 additions and 78 deletions
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5
src/java/org/apache/poi/hssf/record/EmbeddedObjectRefSubRecord.java
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@ -26,7 +26,6 @@ import org.apache.poi.hssf.record.formula.Ref3DPtg;
import org.apache.poi.hssf.record.formula.RefPtg;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LittleEndianByteArrayOutputStream;
import org.apache.poi.util.LittleEndianInput;
import org.apache.poi.util.LittleEndianInputStream;
import org.apache.poi.util.LittleEndianOutput;
@ -113,10 +112,10 @@ public final class EmbeddedObjectRefSubRecord extends SubRecord {
field_3_unicode_flag = ( in.readByte() & 0x01 ) != 0;
remaining -= LittleEndian.BYTE_SIZE;
if (field_3_unicode_flag) {
field_4_ole_classname = in.readUnicodeLEString(nChars);
field_4_ole_classname = StringUtil.readUnicodeLE(in, nChars);
stringByteCount = nChars * 2;
} else {
field_4_ole_classname = in.readCompressedUnicode(nChars);
field_4_ole_classname = StringUtil.readCompressedUnicode(in, nChars);
stringByteCount = nChars;
}
} else {

44
src/java/org/apache/poi/hssf/record/formula/StringPtg.java
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@ -17,8 +17,6 @@
package org.apache.poi.hssf.record.formula;
import org.apache.poi.util.BitField;
import org.apache.poi.util.BitFieldFactory;
import org.apache.poi.util.LittleEndianInput;
import org.apache.poi.util.LittleEndianOutput;
import org.apache.poi.util.StringUtil;
@ -32,29 +30,26 @@ import org.apache.poi.util.StringUtil;
* @author Bernard Chesnoy
*/
public final class StringPtg extends ScalarConstantPtg {
public final static int SIZE = 9;
public final static byte sid = 0x17;
private static final BitField fHighByte = BitFieldFactory.getInstance(0x01);
/** the character (")used in formulas to delimit string literals */
public final static byte sid = 0x17;
/** the character (") used in formulas to delimit string literals */
private static final char FORMULA_DELIMITER = '"';
private final boolean _is16bitUnicode;
/**
* NOTE: OO doc says 16bit length, but BiffViewer says 8 Book says something
* totally different, so don't look there!
*/
private final int field_1_length;
private final byte field_2_options;
private final String field_3_string;
/** Create a StringPtg from a stream */
public StringPtg(LittleEndianInput in) {
field_1_length = in.readUByte();
field_2_options = in.readByte();
if (fHighByte.isSet(field_2_options)) {
field_3_string = in.readUnicodeLEString(field_1_length);
} else {
field_3_string = in.readCompressedUnicode(field_1_length);
}
int nChars = in.readUByte(); // Note - nChars is 8-bit
_is16bitUnicode = (in.readByte() & 0x01) != 0;
if (_is16bitUnicode) {
field_3_string = StringUtil.readUnicodeLE(in, nChars);
} else {
field_3_string = StringUtil.readCompressedUnicode(in, nChars);
}
}
/**
@ -70,9 +65,8 @@ public final class StringPtg extends ScalarConstantPtg {
throw new IllegalArgumentException(
"String literals in formulas can't be bigger than 255 characters ASCII");
}
field_2_options = (byte) fHighByte.setBoolean(0, StringUtil.hasMultibyte(value));
_is16bitUnicode = StringUtil.hasMultibyte(value);
field_3_string = value;
field_1_length = value.length(); // for the moment, we support only ASCII strings in formulas we create
}
public String getValue() {
@ -81,21 +75,17 @@ public final class StringPtg extends ScalarConstantPtg {
public void write(LittleEndianOutput out) {
out.writeByte(sid + getPtgClass());
out.writeByte(field_1_length);
out.writeByte(field_2_options);
if (fHighByte.isSet(field_2_options)) {
StringUtil.putUnicodeLE(getValue(), out);
out.writeByte(field_3_string.length()); // Note - nChars is 8-bit
out.writeByte(_is16bitUnicode ? 0x01 : 0x00);
if (_is16bitUnicode) {
StringUtil.putUnicodeLE(field_3_string, out);
} else {
StringUtil.putCompressedUnicode(getValue(), out);
StringUtil.putCompressedUnicode(field_3_string, out);
}
}
public int getSize() {
if (fHighByte.isSet(field_2_options)) {
return 2 * field_1_length + 3;
} else {
return field_1_length + 3;
}
return 3 + field_3_string.length() * (_is16bitUnicode ? 2 : 1);
}
public String toFormulaString() {

16
src/java/org/apache/poi/util/LittleEndianByteArrayInputStream.java
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@ -114,20 +114,4 @@ public final class LittleEndianByteArrayInputStream implements LittleEndianInput
public double readDouble() {
return Double.longBitsToDouble(readLong());
}
public String readCompressedUnicode(int nChars) {
checkPosition(nChars);
char[] buf = new char[nChars];
for (int i = 0; i < buf.length; i++) {
buf[i] = (char) readUByte();
}
return new String(buf);
}
public String readUnicodeLEString(int nChars) {
checkPosition(nChars*2);
char[] buf = new char[nChars];
for (int i = 0; i < buf.length; i++) {
buf[i] = (char) readUShort();
}
return new String(buf);
}
}

2
src/java/org/apache/poi/util/LittleEndianInput.java
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@ -30,6 +30,4 @@ public interface LittleEndianInput {
double readDouble();
void readFully(byte[] buf);
void readFully(byte[] buf, int off, int len);
String readUnicodeLEString(int nChars);
String readCompressedUnicode(int nChars);
}

30
src/java/org/apache/poi/util/LittleEndianInputStream.java
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@ -131,34 +131,4 @@ public class LittleEndianInputStream extends FilterInputStream implements Little
buf[i] = (byte) ch;
}
}
public String readCompressedUnicode(int nChars) {
char[] buf = new char[nChars];
for (int i = 0; i < buf.length; i++) {
int ch;
try {
ch = in.read();
} catch (IOException e) {
throw new RuntimeException(e);
}
checkEOF(ch);
buf[i] = (char) ch;
}
return new String(buf);
}
public String readUnicodeLEString(int nChars) {
char[] buf = new char[nChars];
for (int i = 0; i < buf.length; i++) {
int ch;
try {
ch = in.read();
} catch (IOException e) {
throw new RuntimeException(e);
}
checkEOF(ch);
buf[i] = (char) ch;
}
return new String(buf);
}
}