com.puppycrawl.tools.checkstyle.api
Class FileContents

java.lang.Object
  com.puppycrawl.tools.checkstyle.api.FileContents

All Implemented Interfaces:

CommentListener

public final class FileContents
extends Object
implements CommentListener

Represents the contents of a file.

Version:

1.0

Author:

Oliver Burn

Constructor Summary

FileContents(String aFilename, String[] aLines)
Creates a new FileContents instance.

Method Summary

Map	getCComments() Returns a map of all C style comments.
Map	getCppComments() Returns a map of all the C++ style comments.
String	getFilename()
TextBlock	getJavadocBefore(int aLineNo) Returns the Javadoc comment before the specified line.
String[]	getLines()
boolean	hasIntersectionWithComment(int aStartLineNo, int aStartColNo, int aEndLineNo, int aEndColNo) Checks if the specified position intersects with a comment.
boolean	lineIsBlank(int aLineNo) Checks if the specified line is blank.
boolean	lineIsComment(int aLineNo) Checks if the specified line is a single-line comment without code.
void	reportBlockComment(String aType, int aStartLineNo, int aStartColNo, int aEndLineNo, int aEndColNo) Report the location of a block comment that can span multiple lines.
void	reportCComment(int aStartLineNo, int aStartColNo, int aEndLineNo, int aEndColNo) Report the location of a C-style comment.
void	reportCppComment(int aStartLineNo, int aStartColNo) Report the location of a C++ style comment.
void	reportSingleLineComment(String aType, int aStartLineNo, int aStartColNo) Report the location of a single line comment that extends from the given point to the end of the line.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileContents

public FileContents(String aFilename,
                    String[] aLines)

Creates a new FileContents instance.

Parameters:

aFilename - name of the file

aLines - the contents of the file

Method Detail

reportSingleLineComment

public void reportSingleLineComment(String aType,
                                    int aStartLineNo,
                                    int aStartColNo)

Report the location of a single line comment that extends from the given point to the end of the line. The type of comment is identified by a String whose value depends on the language being parsed, but would typically be the delimiter for the comment.

Specified by:

reportSingleLineComment in interface CommentListener

Parameters:

aType - an identifier for what type of comment it is.

aStartLineNo - the starting line number

aStartColNo - the starting column number

reportBlockComment

public void reportBlockComment(String aType,
                               int aStartLineNo,
                               int aStartColNo,
                               int aEndLineNo,
                               int aEndColNo)

Report the location of a block comment that can span multiple lines. The type of comment is identified by a String whose value depends on the language being parsed, but would typically be the delimiter for the comment.

Specified by:

reportBlockComment in interface CommentListener

Parameters:

aType - an identifier for what type of comment it is.

aStartLineNo - the starting line number

aStartColNo - the starting column number

aEndLineNo - the ending line number

aEndColNo - the ending column number

reportCppComment

public void reportCppComment(int aStartLineNo,
                             int aStartColNo)

Report the location of a C++ style comment.

Parameters:

aStartLineNo - the starting line number

aStartColNo - the starting column number

getCppComments

public Map getCppComments()

Returns a map of all the C++ style comments. The key is a line number, the value is the comment TextBlock at the line.

Returns:

the Map of comments

reportCComment

public void reportCComment(int aStartLineNo,
                           int aStartColNo,
                           int aEndLineNo,
                           int aEndColNo)

Report the location of a C-style comment.

Parameters:

aStartLineNo - the starting line number

aStartColNo - the starting column number

aEndLineNo - the ending line number

aEndColNo - the ending column number

getCComments

public Map getCComments()

Returns a map of all C style comments. The key is the line number, the value is a List of C style comment TextBlocks that start at that line.

Returns:

the map of comments

getJavadocBefore

public TextBlock getJavadocBefore(int aLineNo)

Returns the Javadoc comment before the specified line. A return value of null means there is no such comment.

Parameters:

aLineNo - the line number to check before

Returns:

the Javadoc comment, or null if none

getLines

public String[] getLines()

Returns:

the lines in the file

getFilename

public String getFilename()

Returns:

the name of the file

lineIsBlank

public boolean lineIsBlank(int aLineNo)

Checks if the specified line is blank.

Parameters:

aLineNo - the line number to check

Returns:

if the specified line consists only of tabs and spaces.

lineIsComment

public boolean lineIsComment(int aLineNo)

Checks if the specified line is a single-line comment without code.

Parameters:

aLineNo - the line number to check

Returns:

if the specified line consists of only a single line comment without code.

hasIntersectionWithComment

public boolean hasIntersectionWithComment(int aStartLineNo,
                                          int aStartColNo,
                                          int aEndLineNo,
                                          int aEndColNo)

Checks if the specified position intersects with a comment.

Parameters:

aStartLineNo - the starting line number

aStartColNo - the starting column number

aEndLineNo - the ending line number

aEndColNo - the ending column number

Returns:

true if the positions intersects with a comment.