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

Constructors

Constructor and Description
FileContents(FileText text) Creates a new FileContents instance.
FileContents(String filename, String[] lines) Deprecated. Use FileContents(FileText) instead in order to preserve the original line breaks where possible.

Method Summary

Methods

Modifier and Type	Method and Description
com.google.common.collect.ImmutableMap<Integer,List<TextBlock>>	getCComments() Returns a map of all C style comments.
com.google.common.collect.ImmutableMap<Integer,TextBlock>	getCppComments() Returns a map of all the C++ style comments.
String	getFilename()
TextBlock	getJavadocBefore(int lineNoBefore) Returns the Javadoc comment before the specified line.
String	getLine(int index) Get the line from text of the file.
String[]	getLines()
FileText	getText() Get the full text of the file.
boolean	hasIntersectionWithComment(int startLineNo, int startColNo, int endLineNo, int endColNo) Checks if the specified position intersects with a comment.
boolean	inPackageInfo() Checks if the current file is a package-info.java file.
boolean	lineIsBlank(int lineNo) Checks if the specified line is blank.
boolean	lineIsComment(int lineNo) Checks if the specified line is a single-line comment without code.
void	reportBlockComment(String type, int startLineNo, int startColNo, int endLineNo, int endColNo) Report the location of a block comment that can span multiple lines.
void	reportCComment(int startLineNo, int startColNo, int endLineNo, int endColNo) Report the location of a C-style comment.
void	reportCppComment(int startLineNo, int startColNo) Report the location of a C++ style comment.
void	reportSingleLineComment(String type, int startLineNo, int startColNo) 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

@Deprecated
public FileContents(String filename,
                       String[] lines)

Deprecated. Use FileContents(FileText) instead in order to preserve the original line breaks where possible.

Creates a new FileContents instance.

Parameters:

filename - name of the file

lines - the contents of the file

FileContents

public FileContents(FileText text)

Creates a new FileContents instance.

Parameters:

text - the contents of the file

Method Detail

reportSingleLineComment

public void reportSingleLineComment(String type,
                           int startLineNo,
                           int startColNo)

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:

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

startLineNo - the starting line number

startColNo - the starting column number

reportBlockComment

public void reportBlockComment(String type,
                      int startLineNo,
                      int startColNo,
                      int endLineNo,
                      int endColNo)

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:

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

startLineNo - the starting line number

startColNo - the starting column number

endLineNo - the ending line number

endColNo - the ending column number

reportCppComment

public void reportCppComment(int startLineNo,
                    int startColNo)

Report the location of a C++ style comment.

Parameters:

startLineNo - the starting line number

startColNo - the starting column number

getCppComments

public com.google.common.collect.ImmutableMap<Integer,TextBlock> 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 startLineNo,
                  int startColNo,
                  int endLineNo,
                  int endColNo)

Report the location of a C-style comment.

Parameters:

startLineNo - the starting line number

startColNo - the starting column number

endLineNo - the ending line number

endColNo - the ending column number

getCComments

public com.google.common.collect.ImmutableMap<Integer,List<TextBlock>> 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 lineNoBefore)

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

Parameters:

lineNoBefore - the line number to check before

Returns:

the Javadoc comment, or null if none

getText

public FileText getText()

Get the full text of the file.

Returns:

an object containing the full text of the file

getLines

public String[] getLines()

Returns:

the lines in the file

getLine

public String getLine(int index)

Get the line from text of the file.

Parameters:

index - index of the line

Returns:

line from text of the file

getFilename

public String getFilename()

Returns:

the name of the file

lineIsBlank

public boolean lineIsBlank(int lineNo)

Checks if the specified line is blank.

Parameters:

lineNo - the line number to check

Returns:

if the specified line consists only of tabs and spaces.

lineIsComment

public boolean lineIsComment(int lineNo)

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

Parameters:

lineNo - the line number to check

Returns:

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

hasIntersectionWithComment

public boolean hasIntersectionWithComment(int startLineNo,
                                 int startColNo,
                                 int endLineNo,
                                 int endColNo)

Checks if the specified position intersects with a comment.

Parameters:

startLineNo - the starting line number

startColNo - the starting column number

endLineNo - the ending line number

endColNo - the ending column number

Returns:

true if the positions intersects with a comment.

inPackageInfo

public boolean inPackageInfo()

Checks if the current file is a package-info.java file.

Returns:

true if the package file.