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| 30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| JavaDocReader.java | 78.6% | 80.4% | 66.7% | 78.8% |
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| 1 |
/*
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* Copyright (c) 2001-2003 The XDoclet team
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* All rights reserved.
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| 4 |
*/
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package xjavadoc;
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import java.io.*;
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/**
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* A reader which strips away any spaces and stars at the beginning of javadoc.
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* It also keeps track of line numbers, which is needed for error reporting.
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*
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* @author Aslak Hellesøy
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* @created 3. januar 2002
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*/
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final class JavaDocReader extends FilterReader |
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{
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private boolean badChar = true; |
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private boolean endOfLine = true; |
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// private boolean lastStar = true;
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private int c = -1; |
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private int lastC = -1; |
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private boolean atEnd = false; |
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private int _lineOffset = 0; |
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private int nextChar = -1; |
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/**
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* @param in the underlying reader, containing javadoc
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*/
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| 32 | 704 |
public JavaDocReader( Reader in )
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{
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| 34 | 704 |
super( in );
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// we can skip the slash-star-star
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| 36 | 704 |
try
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{
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| 38 | 704 |
in.read(); |
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in.read(); |
| 40 | 704 |
in.read(); |
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} |
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catch( IOException e )
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{
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| 44 | 0 |
throw new RuntimeException( "We weren't given javadoc!!" ); |
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} |
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} |
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/**
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* Returns the line offset we're currently reading
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*
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* @return line in the javadoc.
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*/
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| 53 | 706 |
public int getLineOffset() |
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{
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| 55 | 706 |
return _lineOffset;
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} |
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/**
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* Reads a byte of data. The method will block if no input is available.
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*
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* @return the byte read, or -1 if the end of the stream is
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* reached.
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* @exception IOException If an I/O error has occurred.
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*/
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public int read() throws IOException |
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{
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| 67 | 73786 |
if( atEnd )
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{
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| 69 | 0 |
return -1;
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} |
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| 71 | 73786 |
if( endOfLine )
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{
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| 73 | 5544 |
endOfLine = false;
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| 74 | 5544 |
badChar = true;
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} |
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| 77 | 73786 |
do
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{
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| 79 | 82804 |
if( c == -1 ) {
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// will only happen 1st time
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| 81 | 704 |
c = in.read(); |
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} else {
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| 83 | 82100 |
c = nextChar; |
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} |
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| 85 | 82804 |
if( c == -1 ) {
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| 86 | 248 |
return c;
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} |
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| 88 | 82556 |
nextChar = in.read(); |
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| 90 | 82556 |
if( c == '*' && nextChar == '/' )
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{
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| 92 | 456 |
atEnd = true;
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| 93 | 456 |
return -1;
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} |
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// UNIX: \n (LF)
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// MAC: \r (CR)
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// PC: \r\n (CR/LF)
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//
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// We don't want to interpret \r\n as two newlines
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| 100 | 82100 |
if( c == '\r' || c == '\n' || c == '\f' )
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{
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| 102 | 4840 |
badChar = false;
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| 103 | 4840 |
endOfLine = true;
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| 104 | 4840 |
if( !( lastC == '\r' && c == '\n' ) )
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{
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| 106 | 2438 |
_lineOffset++; |
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} |
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} |
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else
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{
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| 111 | 77260 |
if( !( badChar && ( c == '\t' || c == ' ' || c == '*' ) ) )
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{
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// finally found something not a star or spaceish
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| 114 | 68242 |
badChar = false;
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} |
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} |
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| 117 | 82100 |
lastC = c; |
| 118 | 82100 |
}while ( badChar && c != -1 );
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| 119 | 73082 |
return c;
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} |
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/**
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* Reads into an array of bytes. Blocks until some input is available.
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*
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* @param b the buffer into which the data is read
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* @param off the start offset of the data
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* @param len the maximum number of bytes read
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* @return the actual number of bytes read, -1 is returned when
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* the end of the stream is reached.
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* @exception IOException If an I/O error has occurred.
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*/
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| 132 | 1404 |
public int read( char[] b, int off, int len ) throws IOException |
| 133 |
{
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| 134 | 1404 |
if( atEnd )
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{
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| 136 | 702 |
return -1;
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} |
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| 138 | 73500 |
for( int i = off; i < len; i++ ) |
| 139 |
{
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| 140 | 73500 |
int c = read();
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| 141 |
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| 142 | 73500 |
if( c == -1 )
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| 143 |
{
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| 144 | 702 |
atEnd = true;
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| 145 | 702 |
return i - off;
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| 146 |
} |
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| 147 | 72798 |
b[i] = ( char ) c;
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| 148 |
} |
|
| 149 | 0 |
return len;
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| 150 |
} |
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| 151 |
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| 152 |
/**
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* Skips bytes of input.
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*
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| 155 |
* @param n bytes to be skipped
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| 156 |
* @return actual number of bytes skipped
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| 157 |
* @exception IOException If an I/O error has occurred.
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| 158 |
*/
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| 159 | 0 |
public long skip( long n ) throws IOException |
| 160 |
{
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| 161 |
// Can't just read n bytes from 'in' and throw them
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| 162 |
// away, because n bytes from 'in' doesn't necessarily
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| 163 |
// correspond to n bytes from 'this'.
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| 164 | 0 |
for( int i = 1; i <= n; i++ ) |
| 165 |
{
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| 166 | 0 |
int c = read();
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| 167 |
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| 168 | 0 |
if( c == -1 )
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| 169 |
{
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| 170 | 0 |
return i - 1;
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| 171 |
} |
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| 172 |
} |
|
| 173 | 0 |
return n;
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| 174 |
} |
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| 175 |
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| 176 |
/**
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| 177 |
* Returns the number of bytes that can be read without blocking.
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| 178 |
*
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| 179 |
* @return the number of available bytes
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| 180 |
* @exception IOException Describe the exception
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| 181 |
*/
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| 182 | 0 |
public int available() throws IOException |
| 183 |
{
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| 184 |
// We don't really know. We can ask 'in', but some of those bytes
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| 185 |
// are probably whitespace, and it's possible that all of them are.
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| 186 |
// So we have to be conservative and return zero.
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| 187 | 0 |
return 0;
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| 188 |
} |
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| 189 |
} |
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| 190 |
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