CS210 Programming Assignment 3 Word Processing

Word Processing
CS210 Programming Assignment 3
A common task in word processing is to reformat input text into a more structured format to match
English grammar. For example, there should be a single space following a comma, two spaces following
a period, and the first word in each sentence should be capitalized. Furthermore, text can be aligned
either left, right, center, or fully justified to look “better” when scanned down a page.
This assignment is to write a program that takes command line arguments for input file, output file, and
formatting options then produce the output file based on formatting rules.
Part 1 – Spacing and Capitalization
All input text should be processed by the following rules:
? There should be exactly one space between each word.
? There should be exactly one space after a comma (,) before the next word. Do not insert spaces
unless there is an additional word on the same line.
? The word “I” (capital i), should always be capitalized.
? There should be exactly two spaces after a period (.), question mark (?), or exclamation point (!)
before the next word. Do not insert spaces unless there is an additional word on the same line.
? The first word in each sentence should be capitalized. This includes the first word in each
paragraph and the first word after each period, question mark, or exclamation point.
Example input:
the quick red fox jumped over the brown lazy dog.the quick, red fox
jumped over the brown ,lazy dog. should i like dogs? yes, I like dogs
a lot!
Issues:
the quick __red fox jumped over the brown lazy dog.the quick, red fox
jumped over the brown__,lazy dog._should i like dogs?_yes, I like dogs
a lot!
Expected output:
The quick red fox jumped over the brown lazy dog. The quick, red fox
jumped over the brown, lazy dog. Should I like dogs? Yes, I like
dogs a lot!
Part 2 – Justification
Text can also be left, right, center, or fully justified. Most text that you read is already left justified.
Input text:
The quick red fox jumped over
the brown lazy dog. The quick,
red fox jumped over the brown,
lazy dog. Should I like dogs?
Yes, I like dogs a lot!
Output text, justified to 33 columns (your code will justify to 72 columns)
The quick red fox jumped over
the brown lazy dog. The quick,
red fox jumped over the brown,
lazy dog. Should I like dogs?
Yes, I like dogs a lot!
The quick red fox jumped over
the brown lazy dog. The quick,
red fox jumped over the brown,
lazy dog. Should I like dogs?
Yes, I like dogs a lot!
Left justified text Right justified text
The quick red fox jumped over
the brown lazy dog. The quick,
red fox jumped over the brown,
lazy dog. Should I like dogs?
Yes, I like dogs a lot!
The quick red fox jumped over
the brown lazy dog. The quick,
red fox jumped over the brown,
lazy dog. Should I like dogs?
Yes, I like dogs a lot!
Center justified text Fully justified text
(see note about the last line)
Note that you should not change line breaking or reduce spacing between words while performing
justification. However, you are permitted to add or remove spaces at the start of each line and add
additional spaces between words (for full justification). Your program should take a third argument to
specify justification.
? “-left” : The first word on each line starts at column 0.
? “-right”: The last word on each line ends at column 72.
? “-center”: There are (approximately) an equal number of spaces at the beginning and end of
each line.
? “-full”: The first word starts at column 0, the last ends at column 72, and intra-word spacing is
approximately equal. Note that modern word processors don’t apply this to the last line in each
paragraph (as above). However, this is not a requirement for your program.
Example command line usage:
java Program3 input.txt output.txt –center
Grading Criteria:
Capitalization is correct 15
Spacing is correct after punctuation 15
Extraneous spacing is removed 15
Left justification works 10
Right justification works 10
Center justification works 15
Full justification works +10 (bonus)
Code is readable and well structured 10
Error handling 10

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