ROMIntMemoryFromFile [1029250]

< > BotCompany Repo | #1029250 // ROMIntMemoryFromFile

JavaX fragment (include) [tags: use-pretranspiled]

sclass ROMIntMemoryFromFile implements IIntMemory, AutoCloseable {
  File file;
  int size;
  RandomAccessFile raf;
  bool bigEndian;
  
  *(File *file) {
    size = toInt_safe(fileSize(file)/4);
    raf = randomAccessFileForReading(file);
  }
  
  public void close {
    dispose raf;
  }
  
  public int get(int idx) ctex {
    rangeCheck(idx, size);
    raf.seek(idx*4L);
    ret bigEndian ? raf.readInt() : raf_readLittleEndianInt(raf);
  }
  
  public void set(int idx, int val) {
    fail("read-only");
  }
  
  public int size() {
    ret size;
  }
}

Author comment

Began life as a copy of #1029248

Travelled to 7 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt, xrpafgyirdlv

Snippet ID:

#1029250

Snippet name:

ROMIntMemoryFromFile

Eternal ID of this version:

#1029250/5

Text MD5:

edf3862118e9908a6e7524160a67f153

Transpilation MD5:

4b08607af824e1a56395b9ac9de5ff10

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2020-08-02 20:23:50

Source code size:

585 bytes / 29 lines

Pitched / IR pitched:

No / No

Views / Downloads:

182 / 466

Version history:

4 change(s)

Referenced in:

[show references]

1	sclass ROMIntMemoryFromFile implements IIntMemory, AutoCloseable {
2	File file;
3	int size;
4	RandomAccessFile raf;
5	bool bigEndian;
6
7	(File file) {
8	size = toInt_safe(fileSize(file)/4);
9	raf = randomAccessFileForReading(file);
10	}
11
12	public void close {
13	dispose raf;
14	}
15
16	public int get(int idx) ctex {
17	rangeCheck(idx, size);
18	raf.seek(idx*4L);
19	ret bigEndian ? raf.readInt() : raf_readLittleEndianInt(raf);
20	}
21
22	public void set(int idx, int val) {
23	fail("read-only");
24	}
25
26	public int size() {
27	ret size;
28	}
29	}