From 9dad27fef462d20adec671efe6d1e795966f5300 Mon Sep 17 00:00:00 2001 From: j-james Date: Mon, 17 Oct 2022 06:58:12 -0700 Subject: Remove unused classes, for now --- src/main/model/css/CssLexer.java | 63 -------------------------------- src/main/model/css/CssTree.java | 54 --------------------------- src/main/model/html/HtmlLexer.java | 68 ---------------------------------- src/main/model/html/HtmlTree.java | 33 ----------------- src/main/model/util/AbstractTree.java | 35 ------------------ src/main/model/util/Lexer.java | 58 ----------------------------- src/test/model/CssLexerTest.java | 67 ---------------------------------- src/test/model/HtmlLexerTest.java | 69 ----------------------------------- 8 files changed, 447 deletions(-) delete mode 100644 src/main/model/css/CssLexer.java delete mode 100644 src/main/model/css/CssTree.java delete mode 100644 src/main/model/html/HtmlLexer.java delete mode 100644 src/main/model/html/HtmlTree.java delete mode 100644 src/main/model/util/AbstractTree.java delete mode 100644 src/main/model/util/Lexer.java delete mode 100644 src/test/model/CssLexerTest.java delete mode 100644 src/test/model/HtmlLexerTest.java (limited to 'src') diff --git a/src/main/model/css/CssLexer.java b/src/main/model/css/CssLexer.java deleted file mode 100644 index 657d3e1..0000000 --- a/src/main/model/css/CssLexer.java +++ /dev/null @@ -1,63 +0,0 @@ -package model.css; - -import java.util.ArrayList; - -/** - * This lexer splits an input by whitespace, brackets, and semicolons. - * Brackets and semicolons are included in the lexed output, whitespace is not. - *
- * CSS, thankfully, is far more rigid and less-forgiving of errors than HTMl. - * It also has multiple layers of fallback for errors: ranging from: "ignore this - * property", to "ignore this rule", to "this isn't fucking CSS" and ignore it all. - *
- * Still, even though we don't have to deal with garbage like escaped quotes (future edit: whoops, yes we do) and - * what not, we'll still implement our lexer with a for loop instead of split() for future optimizations. - */ -public class CssLexer { - - public static ArrayList lex(String input) { - String token = ""; - ArrayList tokens = new ArrayList<>(); - boolean inSingleQuotes = false; - boolean inDoubleQuotes = false; - char previous = '\0'; - - for (char i : input.toCharArray()) { - // i HATE fallthrough switch statements - switch (i) { - case '{': case '}': case ';': case ':': - case ' ': case '\n': case '\t': - if (!inSingleQuotes && !inDoubleQuotes) { - if (!token.equals("")) { - tokens.add(token); - token = ""; - } - switch (i) { - case '{': case '}': case ';': case ':': - tokens.add(Character.toString(i)); - break; - case ' ': case '\n': case '\t': - break; - } - } else { - token += i; - } - break; - // intentional use of footgun behavior - case '"': - if (previous != '\\') { - inDoubleQuotes = !inDoubleQuotes; - } - case '\'': - if (previous != '\\') { - inSingleQuotes = !inSingleQuotes; - } - default: - token += i; - break; - } - previous = i; - } - return tokens; - } -} diff --git a/src/main/model/css/CssTree.java b/src/main/model/css/CssTree.java deleted file mode 100644 index 1829327..0000000 --- a/src/main/model/css/CssTree.java +++ /dev/null @@ -1,54 +0,0 @@ -package model.css; - -import java.util.ArrayList; - -/** - * This isn't really a tree. Do I even need this class? - */ -public class CssTree { - public class CssProperty { - private String attribute; - private String value; - - public CssProperty(String attribute, String value) { - this.attribute = attribute; - this.value = value; - } - - public String getAttribute() { - return attribute; - } - - public String getValue() { - return value; - } - } - - public class CssRule { - private String selectors; - private ArrayList properties; - - public CssRule(String selectors, ArrayList properties) { - this.selectors = selectors; - this.properties = properties; - } - - public String getSelectors() { - return this.selectors; - } - - public ArrayList getProperties() { - return this.properties; - } - } - - private ArrayList rules; - - public CssTree(ArrayList rules) { - this.rules = rules; - } - - public ArrayList getRules() { - return this.rules; - } -} diff --git a/src/main/model/html/HtmlLexer.java b/src/main/model/html/HtmlLexer.java deleted file mode 100644 index 8cad425..0000000 --- a/src/main/model/html/HtmlLexer.java +++ /dev/null @@ -1,68 +0,0 @@ -package model.html; - -import java.util.ArrayList; - -/** - * We'll tokenize HTML by tags: disregarding the contents of the tag and attributes within the tag. - * The file is also considered to be free-form here: whitespace duplicates are disregarded. - */ -public class HtmlLexer { - - // Takes a String of raw HTML, and tokenizes it for our parser. - public static ArrayList lex(String input) { - String token = ""; - ArrayList tokens = new ArrayList<>(); - boolean inTag = false; - boolean inSingleQuotes = false; - boolean inDoubleQuotes = false; - - for (char i : input.toCharArray()) { - token += i; - switch (i) { - case '<': - if (!inSingleQuotes && !inDoubleQuotes) { - inTag = true; - if (!token.equals("<")) { - tokens.add(token.substring(0, token.length() - 1)); - token = "<"; - } - } else if (inTag) { - System.out.printf("Probably failing parser"); - } - break; - case '>': - if (!inSingleQuotes && !inDoubleQuotes) { - if (!inTag) { - System.out.printf("Probably failing parser"); - } - inTag = false; - tokens.add(token); - token = ""; - } - break; - case '"': - if (!inSingleQuotes) { - inDoubleQuotes = !inDoubleQuotes; - } - break; - case '\'': - if (!inDoubleQuotes) { - inSingleQuotes = !inSingleQuotes; - } - break; - } - } - /** - * When lexing invalid HTML: we may end up with trailing garbage: either an unfinished tag or extra text - * (those are the only two options since this is just the lex step) - */ - if (!token.equals("")) { - if (inTag) { - tokens.add(token + ">"); - } else { - tokens.add(token); - } - } - return tokens; - } -} diff --git a/src/main/model/html/HtmlTree.java b/src/main/model/html/HtmlTree.java deleted file mode 100644 index 1aae0a8..0000000 --- a/src/main/model/html/HtmlTree.java +++ /dev/null @@ -1,33 +0,0 @@ -package model.html; - -import model.util.AbstractTree; -import org.javatuples.Pair; - -import java.util.ArrayList; -import java.util.Optional; - -/** - * Representation of HTML as a tree of nodes. Sorry about the generics. - */ -public class HtmlTree extends AbstractTree>>> { - private String tag; - private ArrayList> attributes; - private Optional parent = Optional.empty(); - private Optional sibling = Optional.empty(); - - // I don't quite know why I can't say ArrayList children. - public HtmlTree(String tag, ArrayList> attributes, - ArrayList>>>> children, - Optional parent, Optional sibling) { - super(new Pair<>(tag, attributes), children); - this.tag = tag; - this.attributes = attributes; - this.parent = parent; - this.sibling = sibling; - } - - public HtmlTree(String tag, ArrayList> attributes) { - this(tag, attributes, new ArrayList>>>>(), - Optional.empty(), Optional.empty()); - } -} diff --git a/src/main/model/util/AbstractTree.java b/src/main/model/util/AbstractTree.java deleted file mode 100644 index 4c74732..0000000 --- a/src/main/model/util/AbstractTree.java +++ /dev/null @@ -1,35 +0,0 @@ -package model.util; - -import org.javatuples.*; - -import java.util.*; - -// Utility class for a general tree: we'll be using these a lot -public abstract class AbstractTree { - - // An AbstractTree holds some kind of data; we'll want this to be generic - // e.g. a tag, attributes, a tag and attributes, etc - private T data; - // Since it's a tree every node also has children. - private ArrayList> children; - - // future implementations may want to consider adding an Optional<> parent; or an Optional<> prevSibling - - public T getData() { - return data; - } - - public ArrayList> getChildren() { - return children; - } - - // god so much boilerplate - public AbstractTree(T data, ArrayList> children) { - this.data = data; - this.children = children; - } - - public void addChild(AbstractTree child) { - this.children.add(child); - } -} diff --git a/src/main/model/util/Lexer.java b/src/main/model/util/Lexer.java deleted file mode 100644 index b35caa6..0000000 --- a/src/main/model/util/Lexer.java +++ /dev/null @@ -1,58 +0,0 @@ -package model.util; - -import java.util.*; - -// General-purpose Lexer -public class Lexer { - - // private static final Set whitespace = new HashSet(" ", "\n"); - - // unused, helper function for if we implement finding identifers longer than a character - private static int longestDelimiter(Set delimiters) { - int longestDelimiter = 0; - for (String delimiter : delimiters) { - if (delimiter.length() > longestDelimiter) { - longestDelimiter = delimiter.length(); - } - } - return longestDelimiter; - } - - /** - * Lexes a "free-form" language. "free-form" has a specific meaning here that's important to preserve: - * "free-form" means that _additional_ whitespace characters do not affect the language: e.g. two newlines - * instead of one, four spaces instead of two, etc. They are _not_ "whitespace-insensitive", which is usually - * a misnomer. - * The name's a bit of a joke: free-form languages are generally referred to as whitespace-insensitive --> - * insensitive == rude. Jokes are funnier when you have to explain them. - * Also, insensitiveLex() and freeformLex() aren't really that good of names. - * - * NOTE: This lexer only works with single-character deliminators. - * TODO: deduplicate whitespace - */ - // public static ArrayList rudeLex(String input, Set delimiters) {} - - /** - * We might as well implement a lexer for non-free-form languages, but whatever. We won't use it. - */ - public static ArrayList sensitiveLex(String input, Set delimiters) { - // int longestDelimiter = longestDelimiter(delimiters); - - ArrayList tokens = new ArrayList(); - String currentToken = ""; - // terrible c-style for loop because we may need to manipulate the index in the future - for (int i = 0; i < input.length(); i++) { - char nextToken = input.charAt(i); - if (delimiters.contains(nextToken)) { - if (!currentToken.equals("")) { - tokens.add(currentToken); - } - tokens.add(Character.toString(nextToken)); - currentToken = ""; - } else { - currentToken += input.charAt(i); - } - } - return tokens; - } -} diff --git a/src/test/model/CssLexerTest.java b/src/test/model/CssLexerTest.java deleted file mode 100644 index 4ed28e2..0000000 --- a/src/test/model/CssLexerTest.java +++ /dev/null @@ -1,67 +0,0 @@ -package model; - -import model.css.CssLexer; -import org.junit.jupiter.api.Test; - -import java.io.IOException; -import java.nio.file.Files; -import java.nio.file.Path; -import java.util.Arrays; - -import static org.junit.jupiter.api.Assertions.assertEquals; - -class CssLexerTest { - - @Test - void testIdiomaticHtml() { - try { - String idiomaticCss = Files.readString(Path.of("data/example.css")); - String[] expected = {"body", "{", "background-color", ":", "#f0f0f2", ";", "margin", ":", "0", ";", "padding", ":", "0", ";", "font-family", ":", "-apple-system,", "system-ui,", "BlinkMacSystemFont,", "\"Segoe UI\",", "\"Open Sans\",", "\"Helvetica Neue\",", "Helvetica,", "Arial,", "sans-serif", ";", "}", "div", "{", "width", ":", "600px", ";", "margin", ":", "5em", "auto", ";", "padding", ":", "2em", ";", "background-color", ":", "#fdfdff", ";", "border-radius", ":", "0.5em", ";", "box-shadow", ":", "2px", "3px", "7px", "2px", "rgba(0,0,0,0.02)", ";", "}", "a", ":", "link,", "a", ":", "visited", "{", "color", ":", "#38488f", ";", "text-decoration", ":", "none", ";", "}", "@media", "(max-width", ":", "700px)", "{", "div", "{", "margin", ":", "0", "auto", ";", "width", ":", "auto", ";", "}", "}"}; - - assertEquals(CssLexer.lex(idiomaticCss), Arrays.asList(expected)); - for (String i : CssLexer.lex(idiomaticCss)) { - System.out.print("\""); - System.out.print(i); - System.out.print("\", "); - } - } catch (IOException e) { - System.out.printf("fuck %s\n", e.toString()); - System.out.println(System.getProperty("user.dir")); - } - } -/** - FoodServicesCard c1; - FoodServicesCard c2; - FoodServicesCard c3; - - @BeforeEach - void runBefore() { - c1 = new FoodServicesCard(0); - c2 = new FoodServicesCard(100); - c3 = new FoodServicesCard(2000); - } - - @Test - void testReloadingAndPurchasing() { - assertFalse(c1.makePurchase(100)); - assertEquals(c1.getBalance(), 0); - c2.reload(10); - assertEquals(c2.getBalance(), 110); - assertTrue(c3.makePurchase(1400)); - assertEquals(c3.getBalance(), 600); - } - - @Test - void testRewardPoints() { - if (c1.makePurchase(c1.POINTS_NEEDED_FOR_CASH_BACK / 2)) { - assertEquals(c1.getRewardPoints(), (c1.POINTS_NEEDED_FOR_CASH_BACK / 2)); - } else { - assertEquals(c1.getRewardPoints(), 0); - } - c2.makePurchase(c2.POINTS_NEEDED_FOR_CASH_BACK); - assertEquals(c2.getRewardPoints(), 0); - c3.makePurchase(1200); - assertEquals(c3.getRewardPoints(), 1200 % c3.POINTS_NEEDED_FOR_CASH_BACK); - } - */ -} \ No newline at end of file diff --git a/src/test/model/HtmlLexerTest.java b/src/test/model/HtmlLexerTest.java deleted file mode 100644 index 9dd5574..0000000 --- a/src/test/model/HtmlLexerTest.java +++ /dev/null @@ -1,69 +0,0 @@ -package model; - -import model.html.HtmlLexer; - -import org.junit.jupiter.api.*; - -import java.util.Arrays; - -import static org.junit.jupiter.api.Assertions.*; - -class HtmlLexerTest { - String idiomaticHtml = "

Hello,world!

"; - String brokenHtml = "","","","","","

","Hello,world!","

","",""}; - assertEquals(HtmlLexer.lex(idiomaticHtml), Arrays.asList(idiomaticHtmlArray)); - } - - @Test - void testBrokenHtml() { - String[] brokenHtmlArray = {"","","","",""}; - assertEquals(HtmlLexer.lex(brokenHtml), Arrays.asList(brokenHtmlArray)); - } - - @Test - void testTrailingTextHtml() { - String[] trailingTextHtmlArray = {"","","","","ba"}; - assertEquals(HtmlLexer.lex(trailingTextHtml), Arrays.asList(trailingTextHtmlArray)); - } - -/** - FoodServicesCard c1; - FoodServicesCard c2; - FoodServicesCard c3; - - @BeforeEach - void runBefore() { - c1 = new FoodServicesCard(0); - c2 = new FoodServicesCard(100); - c3 = new FoodServicesCard(2000); - } - - @Test - void testReloadingAndPurchasing() { - assertFalse(c1.makePurchase(100)); - assertEquals(c1.getBalance(), 0); - c2.reload(10); - assertEquals(c2.getBalance(), 110); - assertTrue(c3.makePurchase(1400)); - assertEquals(c3.getBalance(), 600); - } - - @Test - void testRewardPoints() { - if (c1.makePurchase(c1.POINTS_NEEDED_FOR_CASH_BACK / 2)) { - assertEquals(c1.getRewardPoints(), (c1.POINTS_NEEDED_FOR_CASH_BACK / 2)); - } else { - assertEquals(c1.getRewardPoints(), 0); - } - c2.makePurchase(c2.POINTS_NEEDED_FOR_CASH_BACK); - assertEquals(c2.getRewardPoints(), 0); - c3.makePurchase(1200); - assertEquals(c3.getRewardPoints(), 1200 % c3.POINTS_NEEDED_FOR_CASH_BACK); - } - */ -} \ No newline at end of file -- cgit v1.2.3-70-g09d2