52 lines
1.9 KiB
Java
52 lines
1.9 KiB
Java
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* vim: set ts=2: */
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package com.sheetjs;
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import java.lang.Integer;
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import java.lang.StringBuilder;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import org.mozilla.javascript.Context;
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import org.mozilla.javascript.NativeArray;
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import org.mozilla.javascript.NativeObject;
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import org.mozilla.javascript.Scriptable;
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public class JSHelper {
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static String read_file(String file) throws IOException {
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byte[] b = Files.readAllBytes(Paths.get(file));
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System.out.println(b.length);
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StringBuilder sb = new StringBuilder();
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for(int i = 0; i < b.length; ++i) sb.append(Character.toString((char)(b[i] < 0 ? b[i] + 256 : b[i])));
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return sb.toString();
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}
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static Object get_object(String path, Object base) throws ObjectNotFoundException {
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int idx = path.indexOf(".");
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Scriptable b = (Scriptable)base;
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if(idx == -1) return b.get(path, b);
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Object o = b.get(path.substring(0,idx), b);
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if(o == Scriptable.NOT_FOUND) throw new ObjectNotFoundException("not found: |" + path.substring(0,idx) + "|" + Integer.toString(idx));
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return get_object(path.substring(idx+1), (NativeObject)o);
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}
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static Object[] get_array(String path, Object base) throws ObjectNotFoundException {
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NativeArray arr = (NativeArray)get_object(path, base);
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Object[] out = new Object[(int)arr.getLength()];
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int idx;
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for(Object o : arr.getIds()) out[idx = (Integer)o] = arr.get(idx, arr);
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return out;
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}
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static String[] get_string_array(String path, Object base) throws ObjectNotFoundException {
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NativeArray arr = (NativeArray)get_object(path, base);
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String[] out = new String[(int)arr.getLength()];
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int idx;
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for(Object o : arr.getIds()) out[idx = (Integer)o] = arr.get(idx, arr).toString();
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return out;
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}
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public static void close() { Context.exit(); }
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}
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