Examples of LuaTable

org.luaj.vm2.LuaTable
Subclass of {@link LuaValue} for representing lua tables.
Almost all API's implemented in {@link LuaTable} are defined and documented in {@link LuaValue}.
If a table is needed, the one of the type-checking functions can be used such as {@link #istable()}, {@link #checktable()}, or {@link #opttable(LuaTable)}
The main table operations are defined on {@link LuaValue} for getting and setting values with and without metatag processing:
- {@link #get(LuaValue)}
- {@link #set(LuaValue,LuaValue)}
- {@link #rawget(LuaValue)}
- {@link #rawset(LuaValue,LuaValue)}
- plus overloads such as {@link #get(String)}, {@link #get(int)}, and so on
To iterate over key-value pairs from Java, use
```
  {@code LuaValue k = LuaValue.NIL;}while ( true )  Varargs n = table.next(k); if ( (k = n.arg1()).isnil() ) break; LuaValue v = n.arg(2) process( k, v ) }
```
As with other types, {@link LuaTable} instances should be constructed via one of the table constructor methods on {@link LuaValue}:
- {@link LuaValue#tableOf()} empty table
- {@link LuaValue#tableOf(int,int)} table with capacity
- {@link LuaValue#listOf(LuaValue[])} initialize array part
- {@link LuaValue#listOf(LuaValue[],Varargs)} initialize array part
- {@link LuaValue#tableOf(LuaValue[])} initialize named hash part
- {@link LuaValue#tableOf(Varargs,int)} initialize named hash part
- {@link LuaValue#tableOf(LuaValue[],LuaValue[])} initialize array and named parts
- {@link LuaValue#tableOf(LuaValue[],LuaValue[],Varargs)} initialize array and named parts
@see LuaValue

Examples of org.luaj.vm2.LuaTable

  public LuaStreamLib(LuaInstance instance) {
    this.instance = instance;
  }
  
  public LuaValue call(LuaValue env) {
    LuaTable meta = new LuaTable(0,1);
    meta.set("__tostring", new tostring());
    
    LuaTable table = new LuaTable(0,10);
    table.setmetatable(meta);
    table.set("read", new read());
    table.set("readable", new readable());
    table.set("writeable", new writeable());
    table.set("write", new write());
    
    instance.registerPackage("stream", table);
    return table;
  }

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Examples of org.luaj.vm2.LuaTable

    this.instance = instance;
    instance.load(new MetaLib(instance));
  }


  public LuaValue call(LuaValue env) {
    LuaTable meta = new LuaTable(0,2);
    meta.set("__call", new create(instance));
    
    LuaTable table = new LuaTable(0,8);
    table.setmetatable(meta);
    table.set("size", new len());
    table.set("iterator", new iterator());
    table.set("append", new append());
    table.set("prepend", new prepend());
    table.set("take", new take());
    table.set("drop", new drop());
    // list.clone is defined in as.lua
    // table.set("clone", new clone());
    
    instance.registerPackage("list", table);
    return table;

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Examples of org.luaj.vm2.LuaTable

    public MetaLib(LuaInstance instance) {
      this.instance = instance;
    }


    public LuaValue call(LuaValue env) {
      LuaTable meta = new LuaTable(0, 5);
      meta.set("__len", new len());
      meta.set("__tostring", new tostring());
      meta.set("__index", new index());
      meta.set("__newindex", new newindex());
      
      instance.registerPackage("List", meta);
      return meta;
    }

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Examples of org.luaj.vm2.LuaTable

    @Override
    public Varargs invoke(Varargs args) {
      LuaList list = new LuaList(instance, new ArrayList<LuaValue>());
      
      if (args.istable(2)) {
        LuaTable table = args.checktable(2);
        LuaValue k = LuaValue.NIL;
        
        while (true) {
           Varargs n = table.next(k);
           
           if ((k = n.arg1()).isnil())
             break;


           LuaValue v = n.arg(2);

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Examples of org.luaj.vm2.LuaTable

    this.instance = instance;
    instance.load(new MetaLib(instance));
  }


  public LuaValue call(LuaValue env) {
    LuaTable meta = new LuaTable(0,2);
    meta.set("__call", new create(instance));
    
    LuaTable table = new LuaTable(0,8);
    table.setmetatable(meta);
    table.set("size", new len());
    table.set("pairs", new iterator());
    table.set("keys", new keys());
    table.set("values", new values());
    // map.clone and map.merge are defined in as.lua.
    //table.set("clone", new clone());
    //table.set("merge", new merge());
    
    instance.registerPackage("map", table);

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Examples of org.luaj.vm2.LuaTable

    public MetaLib(LuaInstance instance) {
      this.instance = instance;
    }


    public LuaValue call(LuaValue env) {
      LuaTable meta = new LuaTable(0,5);
      meta.set("__len", new len());
      meta.set("__tostring", new tostring());
      meta.set("__index", new index());
      meta.set("__newindex", new newindex());
      
      instance.registerPackage("Map", meta);
      return meta;
    }

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Examples of org.luaj.vm2.LuaTable

    @Override
    public Varargs invoke(Varargs args) {
      LuaMap map = new LuaMap(instance, new HashMap<LuaValue,LuaValue>());
      
      if (args.istable(2)) {
        LuaTable table = args.checktable(2);
        LuaValue k = LuaValue.NIL;
        
        while (true) {
           Varargs n = table.next(k);
           
           if ((k = n.arg1()).isnil())
             break;


           LuaValue v = n.arg(2);

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Examples of org.luaj.vm2.LuaTable

    globals.load(new JseIoLib());
    globals.load(new JseOsLib());
    globals.load(new LuajavaLib());
    globals.load(new DebugLib());
    
    LuaTable packageTable = (LuaTable)globals.get("package");
    loadedTable = (LuaTable)packageTable.get("loaded");
    
    globals.load(new LuaBytesLib(this));
    globals.load(new LuaListLib(this));
    globals.load(new LuaMapLib(this));
    globals.load(new LuaStreamLib(this));

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Examples of org.luaj.vm2.LuaTable

    globals.load(new JseIoLib());
    globals.load(new JseOsLib());
    globals.load(new LuajavaLib());
    globals.load(new DebugLib());
    
    LuaTable packageTable = (LuaTable)globals.get("package");
    loadedTable = (LuaTable)packageTable.get("loaded");
    
    globals.load(new LuaBytesLib(this));
    globals.load(new LuaListLib(this));
    globals.load(new LuaMapLib(this));
    globals.load(new LuaStreamLib(this));

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Examples of org.luaj.vm2.LuaTable

  public LuaStreamLib(LuaInstance instance) {
    this.instance = instance;
  }
  
  public LuaValue call(LuaValue env) {
    LuaTable meta = new LuaTable(0,1);
    meta.set("__tostring", new tostring());
    
    LuaTable table = new LuaTable(0,10);
    table.setmetatable(meta);
    table.set("read", new read());
    table.set("readable", new readable());
    table.set("writeable", new writeable());
    table.set("write", new write());
    
    instance.registerPackage("stream", table);
    return table;
  }

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