From 6ec0c80e6ccab56e66e612a71a4bdb376b2e9ee5 Mon Sep 17 00:00:00 2001
From: niklasBr <104077966+bretzNiklas@users.noreply.github.com>
Date: Fri, 23 Dec 2022 16:12:09 +0100
Subject: [PATCH] =?UTF-8?q?Eigene=20Klasse=20f=C3=BCr=20Tokenerstellung=20?=
=?UTF-8?q?gemacht=20und=20Code=20von=20main=20in=20die=20neue=20Klasse=20?=
=?UTF-8?q?verschoben?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
Aufgabe4/Main.java | 26 +++++
Aufgabe4/Tokenizer.java | 99 +++++++++++++++++++
Aufgabe4/main.java | 154 -----------------------------
out/production/inf3_git/main.class | Bin 3297 -> 2089 bytes
4 files changed, 125 insertions(+), 154 deletions(-)
create mode 100644 Aufgabe4/Main.java
create mode 100644 Aufgabe4/Tokenizer.java
delete mode 100644 Aufgabe4/main.java
diff --git a/Aufgabe4/Main.java b/Aufgabe4/Main.java
new file mode 100644
index 0000000..4fa6318
--- /dev/null
+++ b/Aufgabe4/Main.java
@@ -0,0 +1,26 @@
+
+
+public class Main {
+ public static void main(String[] args){
+
+ // 23, x, +, (,0, 5, x,), ^, 2, -, 1
+ String ausdruck = "230lkjhx +(2 5x) ^2,jhff 3−1gf ";
+ String ausdruck2 = "0x +(2 5x) ^2−1f ";
+
+ Tokenizer t = new Tokenizer();
+
+ t.tokenizeString(ausdruck).forEach(t1 -> {
+ System.out.print(t1.getTokenString() + " ");
+ System.out.println(t1.getTokenType());
+ });
+
+
+ t.tokenizeString(ausdruck2).forEach(t1 -> {
+ System.out.print(t1.getTokenString() + " ");
+ System.out.println(t1.getTokenType());
+ });
+
+
+ }
+}
+
diff --git a/Aufgabe4/Tokenizer.java b/Aufgabe4/Tokenizer.java
new file mode 100644
index 0000000..574433d
--- /dev/null
+++ b/Aufgabe4/Tokenizer.java
@@ -0,0 +1,99 @@
+import java.util.ArrayList;
+import java.util.Objects;
+
+public class Tokenizer {
+
+
+
+
+
+
+ public ArrayList<Token> tokenizeString(String s) {
+
+
+ return constructTokenList( buildSubstringsFromSeparatedChars( separateChars(s) ) );
+
+
+ }
+
+ private ArrayList<String> separateChars(String stringToTokenize) {
+
+ ArrayList<String> separated = new ArrayList<>();
+
+ separated.add("|");
+
+ for (char c : stringToTokenize.toCharArray()) {
+
+ if(Character.isWhitespace(c)){
+ continue;
+ }
+
+ if(Character.isDigit(c)) {
+ separated.add( String.valueOf(c) );
+ } else {
+ separated.add("|");
+ separated.add( String.valueOf(c) );
+ separated.add("|");
+ }
+ }
+
+ separated.add("|");
+
+ return separated;
+ }
+
+ private ArrayList<String> buildSubstringsFromSeparatedChars(ArrayList<String> separated) {
+
+ ArrayList<String> tokensAsStrings = new ArrayList<>();
+
+ StringBuilder temp = new StringBuilder();
+
+ for(String c : separated) {
+ if(Objects.equals(c, "|")) {
+
+ if(!temp.toString().equals("")) {
+ tokensAsStrings.add(temp.toString());
+ }
+
+ temp = new StringBuilder();
+
+ } else {
+ temp.append(c);
+ }
+ }
+
+ return tokensAsStrings;
+
+ }
+
+ private ArrayList<Token> constructTokenList(ArrayList<String> tokensAsStrings) {
+
+ ArrayList<Token> tokens = new ArrayList<>();
+
+ boolean notANumber = false;
+
+ for(String s1 : tokensAsStrings) {
+
+ try {
+ Integer.parseInt(s1);
+ tokens.add(new Token(TokenType.number, s1));
+ } catch (NumberFormatException ignored) {
+
+ notANumber = true;
+
+ }
+
+ if(notANumber) {
+
+ if (Character.isLetter( s1.charAt(0) )) {
+ tokens.add(new Token(TokenType.var, s1));
+ } else {
+ tokens.add(new Token(TokenType.special, s1));
+ }
+ notANumber = false;
+ }
+ }
+
+ return tokens;
+ }
+}
diff --git a/Aufgabe4/main.java b/Aufgabe4/main.java
deleted file mode 100644
index c42fee5..0000000
--- a/Aufgabe4/main.java
+++ /dev/null
@@ -1,154 +0,0 @@
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-
-public class main {
- public static void main(String[] args){
-
- // 23, x, +, (,0, 5, x,), ^, 2, -, 1
- String ausdruck = "23x +(0,5x)^20−10";
-
- ArrayList<String> separatedChar = new ArrayList<String>();
-
- List<Token> tokenList = new ArrayList<>();
-
- separatedChar.add("|");
- for (char c : ausdruck.toCharArray()) {
-
- if(Character.isWhitespace(c)){
- continue;
- }
-
- if(Character.isDigit(c)) {
-
- separatedChar.add( String.valueOf(c) );
-
- } else {
- separatedChar.add("|");
- separatedChar.add( String.valueOf(c) );
- separatedChar.add("|");
- }
- }
- separatedChar.add("|");
-
- System.out.println(separatedChar);
-
- ArrayList<String> tokens = new ArrayList<String>();
- String temp = "";
-
-
- for(String c : separatedChar) {
-
- if(Objects.equals(c, "|")) {
-
- if(temp != "") {
- tokens.add(temp);
- }
- temp = "";
- } else {
- temp = temp + c;
- }
- }
-
- System.out.println(tokens);
-
- Boolean notANumber = false;
-
- for(String s : tokens) {
-
- try {
- int val = Integer.parseInt(s);
- tokenList.add(new Token(TokenType.number, s));
- } catch (NumberFormatException ignored) {
-
- notANumber = true;
-
- }
-
- if(notANumber) {
-
- if (Character.isLetter( s.charAt(0) )) {
- tokenList.add(new Token(TokenType.var, s));
- } else {
- tokenList.add(new Token(TokenType.special, s));
- }
- notANumber = false;
- }
-
- }
-
- for(Token t : tokenList) {
- System.out.println(t.getTokenString() + " " + t.getTokenType());
- }
-
-
-
- /*
-
- for(int i = 0; i < ausdruck.length(); i++) {
-
- if(Character.isWhitespace(ausdruck.charAt(i))) {
- continue;
- }
-
-
- if(typeOfLast == TokenType.number && Character.isDigit(ausdruck.charAt(i)) && i != 0) {
-
- temp = temp + ausdruck.charAt(i-1);
- //charList.add(String.valueOf( ausdruck.charAt(i) ));
-
- } else {
-
- if(temp.equals("")) {
-
- charList.add(String.valueOf( "|" + ausdruck.charAt(i) + "|"));
-
- } else {
-
- charList.add(String.valueOf( "|" + temp + "|"));
- charList.add(String.valueOf( "|" + ausdruck.charAt(i) + "|"));
-
- temp = "";
- }
- }
-
-
- if(Character.isDigit(ausdruck.charAt(i)))
- typeOfLast = TokenType.number;
- else if(Character.isLetter(ausdruck.charAt(i)))
- typeOfLast = TokenType.var;
- else
- typeOfLast = TokenType.special;
-
- }
-
- System.out.println(charList);
-
-
- /*
- for (char c : ausdruck.toCharArray()) {
-
- if(Character.isWhitespace(c)) {
- continue;
- }
-
-
- if(typeOfLast == TokenType.number && Character.isDigit(c)) {
- System.out.print(c);
- } else {
- System.out.println();
- System.out.print(c);
- }
-
- if(Character.isDigit(c))
- typeOfLast = TokenType.number;
- else if(Character.isLetter(c))
- typeOfLast = TokenType.var;
- else
- typeOfLast = TokenType.special;
- }
- */
-
- }
-}
-
diff --git a/out/production/inf3_git/main.class b/out/production/inf3_git/main.class
index fb751939f861254dfc6a1b06665080572101799a..386650f1dab3e03d3dce9cf08e58cea64d1e5f43 100644
GIT binary patch
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--
GitLab