TextFileReadStream.java

/**
* Copyright 2010,2021 Nikolas S Boyd.
Permission is granted to copy this work provided this copyright statement is retained in all copies.

*/
package Hoot.Streams;

import Hoot.Runtime.Functions.*;
import Hoot.Runtime.Faces.*;
import Hoot.Runtime.Values.*;
import Hoot.Runtime.Blocks.*;
import Smalltalk.Core.*;
import Smalltalk.Blocks.*;
import Smalltalk.Magnitudes.*;
import Hoot.Behaviors.*;
import Hoot.Behaviors.Nil;
import Hoot.Behaviors.Object;
import Hoot.Behaviors.True;
import Hoot.Behaviors.False;
import Hoot.Behaviors.Boolean;
import Hoot.Magnitudes.*;
import Hoot.Magnitudes.Integer;
import Hoot.Magnitudes.Character;
import Hoot.Magnitudes.Float;
import Hoot.Magnitudes.Double;
import Hoot.Collections.*;
import Hoot.Collections.String;
import java.io.*;
import Hoot.Magnitudes.Integer;
import Hoot.Runtime.Names.Primitive;
import Hoot.Collections.CharacterString;
import Hoot.Runtime.Functions.Exceptional.Handler;
import Smalltalk.Magnitudes.Ordinal;
import Smalltalk.Collections.ReadableString;
import Smalltalk.Collections.CollectedReadably;
import Smalltalk.Streams.*;

public class TextFileReadStream extends FileReadStream<Character>
{

  public static Metaclass type() { return (Metaclass)Metaclass.$class; }
  @Override public Metaclass $class() { return (Metaclass)Metaclass.$class; }
  public static class Metaclass extends FileReadStream.Metaclass
  {
    static final TextFileReadStream.Metaclass $class = new TextFileReadStream.Metaclass();
    public Metaclass() {
      this(TextFileReadStream.Metaclass.class);
    }

    public Metaclass(java.lang.Class aClass) {
      super(aClass);
    }

    @Override public java.lang.Class outerClass() { return TextFileReadStream.class; }


    /**
     * @return 
     */
    public   TextFileReadStream on(final RandomAccessFile primitiveFile)
    {
      java.lang.String exitID = "TextFileReadStreamMetatype>>on";
      Frame f0 = new Frame(exitID);
      return f0.evaluate(() -> {
      return (TextFileReadStream)f0.exit(exitID, new TextFileReadStream(primitiveFile));
      });
    }
  }



  /**
   * 
   */
  protected    TextFileReadStream(final RandomAccessFile primitiveFile)
  {
    super(primitiveFile);
    java.lang.String exitID = "TextFileReadStream>>TextFileReadStream";
    Frame f0 = new Frame(exitID);
  }

  /**
   * @return 
   */
  public static   TextFileReadStream read(final String fileName)
  {
    java.lang.String exitID = "TextFileReadStream>>$read";
    Frame f0 = new Frame(exitID);
    return (TextFileReadStream)FileReadStream.type().read(fileName);
  }

  /**
   * @return 
   */
  public   String contents()
  {
    java.lang.String exitID = "TextFileReadStream>>contents";
    Frame f0 = new Frame(exitID);
    Integer pose = this.position();
    this.reset();

    String result = this.nextString(this.length());
    this.position(pose);
    return (String)result;
  }

  /**
   * @return 
   */
  public   Boolean isText()
  {
    java.lang.String exitID = "TextFileReadStream>>isText";
    Frame f0 = new Frame(exitID);
    return (Boolean)True.literal();
  }

  /**
   * @return 
   */
  public   Boolean isBinary()
  {
    java.lang.String exitID = "TextFileReadStream>>isBinary";
    Frame f0 = new Frame(exitID);
    return (Boolean)False.literal();
  }

  /**
   * @return 
   */
  public   Symbol externalType()
  {
    java.lang.String exitID = "TextFileReadStream>>externalType";
    Frame f0 = new Frame(exitID);
    return (Symbol)Symbol.from("text");
  }

  /**
   * @return 
   */
  public   String next(final Ordinal count)
  {
    java.lang.String exitID = "TextFileReadStream>>next";
    Frame f0 = new Frame(exitID);
    return (String)this.nextString(((Integer)count));
  }

  /**
   * @return 
   */
  public   String nextLine()
  {
    java.lang.String exitID = "TextFileReadStream>>nextLine";
    Frame f0 = new Frame(exitID);
    return (String)Closure.with(f2 -> {
      return String.from(file.readLine());
    }, "").defaultIfCurtailed(String.emptyString());
  }

  /**
   * @return 
   */
  public   Character next()
  {
    java.lang.String exitID = "TextFileReadStream>>next";
    Frame f0 = new Frame(exitID);
    return (Character)Closure.with(f2 -> {
      return Character.from(((char)file.readUnsignedByte()));
    }, "").defaultIfCurtailed(Character.type().nullCode());
  }

  /**
   * @return 
   */
  public   String upTo(final Character target)
  {
    java.lang.String exitID = "TextFileReadStream>>upTo";
    Frame f0 = new Frame(exitID);
    String result = String.emptyString();
    while(!(this.atEnd().asPrimitive())) {
      Character c = this.next();
      if (target.equals(c).asPrimitive()) {
        return result;
      };
      result.add(c);
    };
    return (String)result;
  }
}