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Code Issues Releases Wiki Activity

Merge pull request #315 from SquidDev-CC/feature/argument-validation

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Rewrite argument validation
This commit is contained in:
Daniel Ratcliffe 2017-06-17 19:25:20 +01:00 committed by GitHub
commit bfb682bef9
29 changed files with 555 additions and 754 deletions
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246
src/main/java/dan200/computercraft/core/apis/ArgumentHelper.java Normal file
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@ -0,0 +1,246 @@
package dan200.computercraft.core.apis;
import dan200.computercraft.api.lua.LuaException;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Map;
/**
* Various helpers for arguments
*/
public final class ArgumentHelper
{
private ArgumentHelper()
{
throw new IllegalStateException( "Cannot instantiate singleton " + getClass().getName() );
}
@Nonnull
public static String getType( @Nullable Object type )
{
if( type == null ) return "nil";
if( type instanceof String ) return "string";
if( type instanceof Boolean ) return "boolean";
if( type instanceof Number ) return "number";
if( type instanceof Map ) return "table";
Class<?> klass = type.getClass();
if( klass.isArray() )
{
StringBuilder name = new StringBuilder();
while( klass.isArray() )
{
name.append( "[]" );
klass = klass.getComponentType();
}
name.insert( 0, klass.getName() );
return name.toString();
}
else
{
return klass.getName();
}
}
@Nonnull
public static LuaException badArgument( int index, @Nonnull String expected, @Nullable Object actual )
{
return badArgument( index, expected, getType( actual ) );
}
@Nonnull
public static LuaException badArgument( int index, @Nonnull String expected, @Nonnull String actual )
{
return new LuaException( "bad argument #" + (index + 1) + " (" + expected + " expected, got " + actual + ")" );
}
public static double getNumber( @Nonnull Object[] args, int index ) throws LuaException
{
if( index >= args.length ) throw badArgument( index, "number", "no value" );
Object value = args[ index ];
if( value instanceof Number )
{
return ((Number) value).doubleValue();
}
else
{
throw badArgument( index, "number", value );
}
}
public static int getInt( @Nonnull Object[] args, int index ) throws LuaException
{
if( index >= args.length ) throw badArgument( index, "number", "no value" );
Object value = args[ index ];
if( value instanceof Number )
{
return (int) ((Number) value).longValue();
}
else
{
throw badArgument( index, "number", value );
}
}
public static double getReal( @Nonnull Object[] args, int index ) throws LuaException
{
return checkReal( index, getNumber( args, index ) );
}
public static boolean getBoolean( @Nonnull Object[] args, int index ) throws LuaException
{
if( index >= args.length ) throw badArgument( index, "boolean", "no value" );
Object value = args[ index ];
if( value instanceof Boolean )
{
return (Boolean) value;
}
else
{
throw badArgument( index, "boolean", value );
}
}
@Nonnull
public static String getString( @Nonnull Object[] args, int index ) throws LuaException
{
if( index >= args.length ) throw badArgument( index, "string", "no value" );
Object value = args[ index ];
if( value instanceof String )
{
return (String) value;
}
else
{
throw badArgument( index, "string", value );
}
}
@SuppressWarnings("unchecked")
@Nonnull
public static Map<Object, Object> getTable( @Nonnull Object[] args, int index ) throws LuaException
{
if( index >= args.length ) throw badArgument( index, "table", "no value" );
Object value = args[ index ];
if( value instanceof Map )
{
return (Map<Object, Object>) value;
}
else
{
throw badArgument( index, "table", value );
}
}
public static double optNumber( @Nonnull Object[] args, int index, double def ) throws LuaException
{
Object value = index < args.length ? args[ index ] : null;
if( value == null )
{
return def;
}
else if( value instanceof Number )
{
return ((Number) value).doubleValue();
}
else
{
throw badArgument( index, "number", value );
}
}
public static int optInt( @Nonnull Object[] args, int index, int def ) throws LuaException
{
Object value = index < args.length ? args[ index ] : null;
if( value == null )
{
return def;
}
else if( value instanceof Number )
{
return (int) ((Number) value).longValue();
}
else
{
throw badArgument( index, "number", value );
}
}
public static double optReal( @Nonnull Object[] args, int index, double def ) throws LuaException
{
return checkReal( index, optNumber( args, index, def ) );
}
public static boolean optBoolean( @Nonnull Object[] args, int index, boolean def ) throws LuaException
{
Object value = index < args.length ? args[ index ] : null;
if( value == null )
{
return def;
}
else if( value instanceof Boolean )
{
return (Boolean) value;
}
else
{
throw badArgument( index, "boolean", value );
}
}
public static String optString( @Nonnull Object[] args, int index, String def ) throws LuaException
{
Object value = index < args.length ? args[ index ] : null;
if( value == null )
{
return def;
}
else if( value instanceof String )
{
return (String) value;
}
else
{
throw badArgument( index, "string", value );
}
}
@SuppressWarnings("unchecked")
public static Map<Object, Object> optTable( @Nonnull Object[] args, int index, Map<Object, Object> def ) throws LuaException
{
Object value = index < args.length ? args[ index ] : null;
if( value == null )
{
return def;
}
else if( value instanceof Map )
{
return (Map<Object, Object>) value;
}
else
{
throw badArgument( index, "table", value );
}
}
private static double checkReal( int index, double value ) throws LuaException
{
if( Double.isNaN( value ) )
{
throw badArgument( index, "number", "nan" );
}
else if( value == Double.POSITIVE_INFINITY )
{
throw badArgument( index, "number", "inf" );
}
else if( value == Double.NEGATIVE_INFINITY )
{
throw badArgument( index, "number", "-inf" );
}
else
{
return value;
}
}
}

38
src/main/java/dan200/computercraft/core/apis/BitAPI.java
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@ -11,6 +11,8 @@ import dan200.computercraft.api.lua.LuaException;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
// Contributed by Nia
// Based on LuaBit (http://luaforge.net/projects/bit)
@ -23,25 +25,6 @@ public class BitAPI implements ILuaAPI
private static final int BRSHIFT = 4;
private static final int BLSHIFT = 5;
private static final int BLOGIC_RSHIFT = 6;
private static int checkInt( Object o, int count ) throws LuaException
{
if( o instanceof Number )
{
return (int)(((Number)o).longValue());
}
else
{
if( count == 2 )
{
throw new LuaException( "Expected number, number" );
}
else
{
throw new LuaException( "Expected number" );
}
}
}
public BitAPI( IAPIEnvironment _environment )
{
@ -82,31 +65,28 @@ public class BitAPI implements ILuaAPI
@Override
public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull Object[] args ) throws LuaException
{
Object a = args.length>0?args[0]:null;
Object b = args.length>1?args[1]:null;
int ret = 0;
switch(method) {
case BNOT:
ret = ~checkInt(a, 1);
ret = ~getInt( args, 0 );
break;
case BAND:
ret = checkInt(a, 2) & checkInt(b, 2);
ret = getInt( args, 0 ) & getInt( args, 1 );
break;
case BOR:
ret = checkInt(a, 2) | checkInt(b, 2);
ret = getInt( args, 0 ) | getInt( args, 1 );
break;
case BXOR:
ret = checkInt(a, 2) ^ checkInt(b, 2);
ret = getInt( args, 0 ) ^ getInt( args, 1 );
break;
case BRSHIFT:
ret = checkInt(a, 2) >> checkInt(b, 2);
ret = getInt( args, 0 ) >> getInt( args, 1 );
break;
case BLSHIFT:
ret = checkInt(a, 2) << checkInt(b, 2);
ret = getInt( args, 0 ) << getInt( args, 1 );
break;
case BLOGIC_RSHIFT:
ret = checkInt(a, 2) >>> checkInt(b, 2);
ret = getInt( args, 0 ) >>> getInt( args, 1 );
break;
}

95
src/main/java/dan200/computercraft/core/apis/BufferAPI.java
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@ -13,6 +13,9 @@ import dan200.computercraft.core.terminal.TextBuffer;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import static dan200.computercraft.core.apis.ArgumentHelper.optInt;
public class BufferAPI implements ILuaAPI
{
private static class BufferLuaObject implements ILuaObject
@ -55,81 +58,25 @@ public class BufferAPI implements ILuaAPI
case 2:
{
// read
int start = 0;
if( arguments.length >= 1 && (arguments[0] != null) )
{
if( !(arguments[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
start = ((Number)arguments[1]).intValue() - 1;
}
int end = m_buffer.length();
if( arguments.length >= 2 && (arguments[1] != null) )
{
if( !(arguments[1] instanceof Number) )
{
throw new LuaException( "Expected number, number" );
}
end = ((Number)arguments[1]).intValue();
}
int start = optInt( arguments, 0, 0 );
int end = optInt( arguments, 1, m_buffer.length() );
return new Object[] { m_buffer.read( start, end ) };
}
case 3:
{
// write
if( arguments.length < 1 || !(arguments[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String text = (String)(arguments[0]);
int start = 0;
if( arguments.length >= 2 && (arguments[1] != null) )
{
if( !(arguments[1] instanceof Number) )
{
throw new LuaException( "Expected string, number" );
}
start = ((Number)arguments[1]).intValue() - 1;
}
int end = start + text.length();
if( arguments.length >= 3 && (arguments[2] != null) )
{
if( !(arguments[2] instanceof Number) )
{
throw new LuaException( "Expected string, number, number" );
}
end = ((Number)arguments[2]).intValue();
}
String text = getString( arguments, 0 );
int start = optInt( arguments, 1, 0 );
int end = optInt( arguments, 2, start + text.length() );
m_buffer.write( text, start, end );
return null;
}
case 4:
{
// fill
if( arguments.length < 1 || !(arguments[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String text = (String)(arguments[0]);
int start = 0;
if( arguments.length >= 2 && (arguments[1] != null) )
{
if( !(arguments[1] instanceof Number) )
{
throw new LuaException( "Expected string, number" );
}
start = ((Number)arguments[1]).intValue() - 1;
}
int end = m_buffer.length();
if( arguments.length >= 3 && (arguments[2] != null) )
{
if( !(arguments[2] instanceof Number) )
{
throw new LuaException( "Expected string, number, number" );
}
end = ((Number)arguments[2]).intValue();
}
String text = getString( arguments, 0 );
int start = optInt( arguments, 1, 0 );
int end = optInt( arguments, 2, m_buffer.length() );
m_buffer.fill( text, start, end );
return null;
}
@ -184,23 +131,11 @@ public class BufferAPI implements ILuaAPI
{
case 0:
{
if( arguments.length < 1 || !(arguments[0] instanceof String) )
String text = getString( arguments, 0 );
int repetitions = optInt( arguments, 1, 1 );
if( repetitions < 0 )
{
throw new LuaException( "Expected string" );
}
String text = (String)(arguments[0]);
int repetitions = 1;
if( arguments.length >= 2 && arguments[1] != null )
{
if( !(arguments[1] instanceof Number) )
{
throw new LuaException( "Expected string, number" );
}
repetitions = ((Number)arguments[1]).intValue();
if( repetitions < 0 )
{
throw new LuaException( "Expected positive number" );
}
throw ArgumentHelper.badArgument( 1, "positive number", Integer.toString( repetitions ) );
}
TextBuffer buffer = new TextBuffer( text, repetitions );
return new Object[] { new BufferLuaObject( buffer ) };

106
src/main/java/dan200/computercraft/core/apis/FSAPI.java
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@ -21,6 +21,8 @@ import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
public class FSAPI implements ILuaAPI
{
private IAPIEnvironment m_env;
@ -89,11 +91,7 @@ public class FSAPI implements ILuaAPI
case 0:
{
// list
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
String[] results = m_fileSystem.list( path );
Map<Object,Object> table = new HashMap<Object,Object>();
@ -110,32 +108,20 @@ public class FSAPI implements ILuaAPI
case 1:
{
// combine
if( args.length != 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof String) )
{
throw new LuaException( "Expected string, string" );
}
String pathA = (String)args[0];
String pathB = (String)args[1];
String pathA = getString( args, 0 );
String pathB = getString( args, 1 );
return new Object[] { m_fileSystem.combine( pathA, pathB ) };
}
case 2:
{
// getName
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
return new Object[]{ FileSystem.getName( path ) };
}
case 3:
{
// getSize
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try
{
return new Object[]{ m_fileSystem.getSize( path ) };
@ -148,11 +134,7 @@ public class FSAPI implements ILuaAPI
case 4:
{
// exists
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
return new Object[]{ m_fileSystem.exists( path ) };
} catch( FileSystemException e ) {
@ -162,11 +144,7 @@ public class FSAPI implements ILuaAPI
case 5:
{
// isDir
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
return new Object[]{ m_fileSystem.isDir( path ) };
} catch( FileSystemException e ) {
@ -176,11 +154,7 @@ public class FSAPI implements ILuaAPI
case 6:
{
// isReadOnly
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
return new Object[]{ m_fileSystem.isReadOnly( path ) };
} catch( FileSystemException e ) {
@ -190,11 +164,7 @@ public class FSAPI implements ILuaAPI
case 7:
{
// makeDir
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
m_fileSystem.makeDir( path );
return null;
@ -205,12 +175,8 @@ public class FSAPI implements ILuaAPI
case 8:
{
// move
if( args.length != 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof String) )
{
throw new LuaException( "Expected string, string" );
}
String path = (String)args[0];
String dest = (String)args[1];
String path = getString( args, 0 );
String dest = getString( args, 1 );
try {
m_fileSystem.move( path, dest );
return null;
@ -221,12 +187,8 @@ public class FSAPI implements ILuaAPI
case 9:
{
// copy
if( args.length != 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof String) )
{
throw new LuaException( "Expected string, string" );
}
String path = (String)args[0];
String dest = (String)args[1];
String path = getString( args, 0 );
String dest = getString( args, 1 );
try {
m_fileSystem.copy( path, dest );
return null;
@ -237,11 +199,7 @@ public class FSAPI implements ILuaAPI
case 10:
{
// delete
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
m_fileSystem.delete( path );
return null;
@ -252,12 +210,8 @@ public class FSAPI implements ILuaAPI
case 11:
{
// open
if( args.length < 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof String) )
{
throw new LuaException( "Expected string, string" );
}
String path = (String)args[0];
String mode = (String)args[1];
String path = getString( args, 0 );
String mode = getString( args, 1 );
try {
if( mode.equals( "r" ) ) {
// Open the file for reading, then create a wrapper around the reader
@ -300,11 +254,7 @@ public class FSAPI implements ILuaAPI
case 12:
{
// getDrive
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
if( !m_fileSystem.exists( path ) )
{
@ -318,11 +268,7 @@ public class FSAPI implements ILuaAPI
case 13:
{
// getFreeSpace
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
long freeSpace = m_fileSystem.getFreeSpace( path );
if( freeSpace >= 0 )
@ -337,11 +283,7 @@ public class FSAPI implements ILuaAPI
case 14:
{
// find
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
try {
String[] results = m_fileSystem.find( path );
Map<Object,Object> table = new HashMap<Object,Object>();
@ -356,11 +298,7 @@ public class FSAPI implements ILuaAPI
case 15:
{
// getDir
if( args.length != 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String path = (String)args[0];
String path = getString( args, 0 );
return new Object[]{ FileSystem.getDirectory( path ) };
}
default:

24
src/main/java/dan200/computercraft/core/apis/HTTPAPI.java
View File

@ -16,6 +16,8 @@ import javax.annotation.Nonnull;
import java.io.InputStream;
import java.util.*;
import static dan200.computercraft.core.apis.ArgumentHelper.*;
public class HTTPAPI implements ILuaAPI
{
private final IAPIEnvironment m_apiEnvironment;
@ -155,24 +157,16 @@ public class HTTPAPI implements ILuaAPI
{
// request
// Get URL
if( args.length < 1 || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String urlString = args[0].toString();
String urlString = getString( args, 0 );
// Get POST
String postString = null;
if( args.length >= 2 && args[1] instanceof String )
{
postString = args[1].toString();
}
String postString = optString( args, 1, null );
// Get Headers
Map<String, String> headers = null;
if( args.length >= 3 && args[2] instanceof Map )
Map<Object, Object> table = optTable( args, 2, null );
if( table != null )
{
Map<?, ?> table = (Map<?, ?>)args[2];
headers = new HashMap<String, String>( table.size() );
for( Object key : table.keySet() )
{
@ -210,11 +204,7 @@ public class HTTPAPI implements ILuaAPI
{
// checkURL
// Get URL
if( args.length < 1 || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String urlString = args[0].toString();
String urlString = getString( args, 0 );
// Check URL
try

68
src/main/java/dan200/computercraft/core/apis/OSAPI.java
View File

@ -13,6 +13,8 @@ import dan200.computercraft.shared.util.StringUtil;
import javax.annotation.Nonnull;
import java.util.*;
import static dan200.computercraft.core.apis.ArgumentHelper.*;
public class OSAPI implements ILuaAPI
{
private IAPIEnvironment m_apiEnvironment;
@ -225,21 +227,13 @@ public class OSAPI implements ILuaAPI
case 0:
{
// queueEvent
if( args.length == 0 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
queueLuaEvent( (String)args[0], trimArray( args, 1 ) );
queueLuaEvent( getString( args, 0 ), trimArray( args, 1 ) );
return null;
}
case 1:
{
// startTimer
if( args.length < 1 || args[0] == null || !(args[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
double timer = ((Number)args[0]).doubleValue();
double timer = getReal( args, 0 );
synchronized( m_timers )
{
m_timers.put( m_nextTimerToken, new Timer( (int)Math.round( timer / 0.05 ) ) );
@ -249,11 +243,7 @@ public class OSAPI implements ILuaAPI
case 2:
{
// setAlarm
if( args.length < 1 || args[0] == null || !(args[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
double time = ((Number)args[0]).doubleValue();
double time = getReal( args, 0 );
if( time < 0.0 || time >= 24.0 )
{
throw new LuaException( "Number out of range" );
@ -286,16 +276,8 @@ public class OSAPI implements ILuaAPI
case 7:
{
// setComputerLabel
String label = null;
if( args.length > 0 && args[0] != null )
{
if(!(args[0] instanceof String))
{
throw new LuaException( "Expected string or nil" );
}
label = StringUtil.normaliseLabel( (String) args[0] );
}
m_apiEnvironment.setLabel( label );
String label = optString( args, 0, null );
m_apiEnvironment.setLabel( StringUtil.normaliseLabel( label ) );
return null;
}
case 8:
@ -320,13 +302,7 @@ public class OSAPI implements ILuaAPI
case 11:
{
// time
String param = "ingame";
if (args.length > 0 && args[0] != null) {
if (!(args[0] instanceof String)) {
throw new LuaException("Expected string");
}
param = (String)args[0];
}
String param = optString( args, 0, "ingame" );
if (param.equals("utc")) {
// Get Hour of day (UTC)
@ -351,13 +327,7 @@ public class OSAPI implements ILuaAPI
case 12:
{
// day
String param = "ingame";
if (args.length > 0 && args[0] != null) {
if (!(args[0] instanceof String)) {
throw new LuaException("Expected string");
}
param = (String)args[0];
}
String param = optString( args, 0, "ingame" );
if (param.equals("utc")) {
// Get numbers of days since 1970-01-01 (utc)
Calendar c = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
@ -381,11 +351,7 @@ public class OSAPI implements ILuaAPI
case 13:
{
// cancelTimer
if( args.length < 1 || args[0] == null || !(args[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int token = ((Number)args[0]).intValue();
int token = getInt( args, 0 );
synchronized( m_timers )
{
if( m_timers.containsKey( token ) )
@ -398,11 +364,7 @@ public class OSAPI implements ILuaAPI
case 14:
{
// cancelAlarm
if( args.length < 1 || args[0] == null || !(args[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int token = ((Number)args[0]).intValue();
int token = getInt( args, 0 );
synchronized( m_alarms )
{
if( m_alarms.containsKey( token ) )
@ -415,13 +377,7 @@ public class OSAPI implements ILuaAPI
case 15:
{
// epoch
String param = "ingame";
if (args.length > 0 && args[0] != null) {
if (!(args[0] instanceof String)) {
throw new LuaException("Expected string");
}
param = (String)args[0];
}
String param = optString( args, 0, "ingame" );
if (param.equals("utc")) {
// Get utc epoch
Calendar c = Calendar.getInstance(TimeZone.getTimeZone("UTC"));

16
src/main/java/dan200/computercraft/core/apis/PeripheralAPI.java
View File

@ -21,6 +21,8 @@ import dan200.computercraft.core.filesystem.FileSystemException;
import javax.annotation.Nonnull;
import java.util.*;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
public class PeripheralAPI implements ILuaAPI, IAPIEnvironment.IPeripheralChangeListener
{
private class PeripheralWrapper implements IComputerAccess
@ -460,14 +462,10 @@ public class PeripheralAPI implements ILuaAPI, IAPIEnvironment.IPeripheralChange
case 3:
{
// call
if( args.length < 2 || args[1] == null || !(args[1] instanceof String) )
{
throw new LuaException( "Expected string, string" );
}
String methodName = (String)args[1];
int side = parseSide( args );
String methodName = getString( args, 1 );
Object[] methodArgs = trimArray( args, 2 );
int side = parseSide( args );
if( side >= 0 )
{
PeripheralWrapper p;
@ -498,11 +496,7 @@ public class PeripheralAPI implements ILuaAPI, IAPIEnvironment.IPeripheralChange
private int parseSide( Object[] args ) throws LuaException
{
if( args.length < 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String side = (String)args[0];
String side = getString( args, 0 );
for( int n=0; n<Computer.s_sideNames.length; ++n )
{
if( side.equals( Computer.s_sideNames[n] ) )

32
src/main/java/dan200/computercraft/core/apis/RedstoneAPI.java
View File

@ -14,6 +14,8 @@ import javax.annotation.Nonnull;
import java.util.HashMap;
import java.util.Map;
import static dan200.computercraft.core.apis.ArgumentHelper.*;
public class RedstoneAPI implements ILuaAPI
{
private IAPIEnvironment m_environment;
@ -86,12 +88,8 @@ public class RedstoneAPI implements ILuaAPI
case 1:
{
// setOutput
if( args.length < 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof Boolean) )
{
throw new LuaException( "Expected string, boolean" );
}
int side = parseSide( args );
boolean output = (Boolean) args[ 1 ];
boolean output = getBoolean( args, 1 );
m_environment.setOutput( side, output ? 15 : 0 );
return null;
}
@ -110,12 +108,8 @@ public class RedstoneAPI implements ILuaAPI
case 4:
{
// setBundledOutput
if( args.length < 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof Double) )
{
throw new LuaException( "Expected string, number" );
}
int side = parseSide( args );
int output = ((Double)args[1]).intValue();
int output = getInt( args, 1 );
m_environment.setBundledOutput( side, output );
return null;
}
@ -134,12 +128,8 @@ public class RedstoneAPI implements ILuaAPI
case 7:
{
// testBundledInput
if( args.length < 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof Double) )
{
throw new LuaException( "Expected string, number" );
}
int side = parseSide( args );
int mask = ((Double)args[1]).intValue();
int mask = getInt( args, 1 );
int input = m_environment.getBundledInput( side );
return new Object[] { ((input & mask) == mask) };
}
@ -147,12 +137,8 @@ public class RedstoneAPI implements ILuaAPI
case 9:
{
// setAnalogOutput/setAnalogueOutput
if( args.length < 2 || args[0] == null || !(args[0] instanceof String) || args[1] == null || !(args[1] instanceof Double) )
{
throw new LuaException( "Expected string, number" );
}
int side = parseSide( args );
int output = ((Double)args[1]).intValue();
int output = getInt( args, 1 );
if( output < 0 || output > 15 )
{
throw new LuaException( "Expected number in range 0-15" );
@ -183,11 +169,7 @@ public class RedstoneAPI implements ILuaAPI
private int parseSide( Object[] args ) throws LuaException
{
if( args.length < 1 || args[0] == null || !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
String side = (String)args[0];
String side = getString( args, 0 );
for( int n=0; n<Computer.s_sideNames.length; ++n )
{
if( side.equals( Computer.s_sideNames[n] ) )

72
src/main/java/dan200/computercraft/core/apis/TermAPI.java
View File

@ -13,12 +13,10 @@ import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.shared.util.Palette;
import org.apache.commons.lang3.ArrayUtils;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.*;
public class TermAPI implements ILuaAPI
{
private final Terminal m_terminal;
@ -86,11 +84,7 @@ public class TermAPI implements ILuaAPI
public static int parseColour( Object[] args ) throws LuaException
{
if( args.length < 1 || args[0] == null || !(args[0] instanceof Double) )
{
throw new LuaException( "Expected number" );
}
int colour = (int)((Double)args[0]).doubleValue();
int colour = getInt( args, 0 );
if( colour <= 0 )
{
throw new LuaException( "Colour out of range" );
@ -144,12 +138,7 @@ public class TermAPI implements ILuaAPI
case 1:
{
// scroll
if( args.length != 1 || args[0] == null || !(args[0] instanceof Double) )
{
throw new LuaException( "Expected number" );
}
int y = (int)((Double)args[0]).doubleValue();
int y = getInt( args, 0 );
synchronized( m_terminal )
{
m_terminal.scroll(y);
@ -159,12 +148,8 @@ public class TermAPI implements ILuaAPI
case 2:
{
// setCursorPos
if( args.length != 2 || args[0] == null || !(args[0] instanceof Double) || args[1] == null || !(args[1] instanceof Double) )
{
throw new LuaException( "Expected number, number" );
}
int x = (int)((Double)args[0]).doubleValue() - 1;
int y = (int)((Double)args[1]).doubleValue() - 1;
int x = getInt( args, 0 ) - 1;
int y = getInt( args, 1 ) - 1;
synchronized( m_terminal )
{
m_terminal.setCursorPos( x, y );
@ -174,11 +159,7 @@ public class TermAPI implements ILuaAPI
case 3:
{
// setCursorBlink
if( args.length != 1 || args[0] == null || !(args[0] instanceof Boolean) )
{
throw new LuaException( "Expected boolean" );
}
boolean b = (Boolean) args[ 0 ];
boolean b = getBoolean( args, 0 );
synchronized( m_terminal )
{
m_terminal.setCursorBlink( b );
@ -268,14 +249,9 @@ public class TermAPI implements ILuaAPI
case 18:
{
// blit
if( args.length < 3 || !(args[0] instanceof String) || !(args[1] instanceof String) || !(args[2] instanceof String) )
{
throw new LuaException( "Expected string, string, string" );
}
String text = (String)args[0];
String textColour = (String)args[1];
String backgroundColour = (String)args[2];
String text = getString( args, 0 );
String textColour = getString( args, 1 );
String backgroundColour = getString( args, 2 );
if( textColour.length() != text.length() || backgroundColour.length() != text.length() )
{
throw new LuaException( "Arguments must be the same length" );
@ -292,36 +268,26 @@ public class TermAPI implements ILuaAPI
case 20:
{
// setPaletteColour/setPaletteColor
if(args.length == 2 && args[0] instanceof Double && args[1] instanceof Double)
int colour = 15 - parseColour( args );
if( args.length == 2 )
{
int colour = 15 - parseColour( args );
int hex = ((Double)args[1]).intValue();
int hex = getInt( args, 1 );
double[] rgb = Palette.decodeRGB8( hex );
setColour( m_terminal, colour, rgb[0], rgb[1], rgb[2] );
return null;
setColour( m_terminal, colour, rgb[ 0 ], rgb[ 1 ], rgb[ 2 ] );
}
if(args.length >= 4 && args[0] instanceof Double && args[1] instanceof Double && args[2] instanceof Double && args[3] instanceof Double)
else
{
int colour = 15 - parseColour( args );
double r = (Double)args[1];
double g = (Double)args[2];
double b = (Double)args[3];
double r = getReal( args, 1 );
double g = getReal( args, 2 );
double b = getReal( args, 3 );
setColour( m_terminal, colour, r, g, b );
return null;
}
throw new LuaException( "Expected number, number or number, number, number, number" );
return null;
}
case 21:
case 22:
{
// getPaletteColour/getPaletteColor
if(args.length < 1 || !(args[0] instanceof Double))
{
throw new LuaException( "Expected number" );
}
int colour = 15 - parseColour( args );
synchronized( m_terminal )
{

10
src/main/java/dan200/computercraft/core/apis/handles/BinaryInputHandle.java
View File

@ -9,6 +9,8 @@ import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
public class BinaryInputHandle extends HandleGeneric
{
private final InputStream m_stream;
@ -42,13 +44,7 @@ public class BinaryInputHandle extends HandleGeneric
{
if( args.length > 0 && args[ 0 ] != null )
{
if( !(args[ 0 ] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int count = ((Number) args[ 0 ]).intValue();
int count = getInt( args, 0 );
if( count <= 0 || count >= 1024 * 16 )
{
throw new LuaException( "Count out of range" );

3
src/main/java/dan200/computercraft/core/apis/handles/BinaryOutputHandle.java
View File

@ -2,6 +2,7 @@ package dan200.computercraft.core.apis.handles;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.apis.ArgumentHelper;
import dan200.computercraft.shared.util.StringUtil;
import javax.annotation.Nonnull;
@ -51,7 +52,7 @@ public class BinaryOutputHandle extends HandleGeneric
}
else
{
throw new LuaException( "Expected number" );
throw ArgumentHelper.badArgument( 0, "string or number", args.length > 0 ? args[ 0 ] : null );
}
return null;
}

8
src/main/java/dan200/computercraft/core/filesystem/FileSystem.java
View File

@ -172,7 +172,7 @@ public class FileSystem
{
if( m_writableMount == null )
{
throw new FileSystemException( "Access Denied" );
throw new FileSystemException( "Access denied" );
}
try
{
@ -199,7 +199,7 @@ public class FileSystem
{
if( m_writableMount == null )
{
throw new FileSystemException( "Access Denied" );
throw new FileSystemException( "Access denied" );
}
try
{
@ -219,7 +219,7 @@ public class FileSystem
{
if( m_writableMount == null )
{
throw new FileSystemException( "Access Denied" );
throw new FileSystemException( "Access denied" );
}
try
{
@ -251,7 +251,7 @@ public class FileSystem
{
if( m_writableMount == null )
{
throw new FileSystemException( "Access Denied" );
throw new FileSystemException( "Access denied" );
}
try
{

50
src/main/java/dan200/computercraft/shared/computer/apis/CommandAPI.java
View File

@ -28,6 +28,9 @@ import javax.annotation.Nonnull;
import java.util.HashMap;
import java.util.Map;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
public class CommandAPI implements ILuaAPI
{
private TileCommandComputer m_computer;
@ -151,11 +154,7 @@ public class CommandAPI implements ILuaAPI
case 0:
{
// exec
if( arguments.length < 1 || !(arguments[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
final String command = (String)arguments[0];
final String command = getString( arguments, 0 );
return context.executeMainThreadTask( new ILuaTask()
{
@Override
@ -168,11 +167,7 @@ public class CommandAPI implements ILuaAPI
case 1:
{
// execAsync
if( arguments.length < 1 || !(arguments[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
final String command = (String)arguments[0];
final String command = getString( arguments, 0 );
long taskID = context.issueMainThreadTask( new ILuaTask()
{
@Override
@ -234,22 +229,12 @@ public class CommandAPI implements ILuaAPI
case 4:
{
// getBlockInfos
if( arguments.length < 6 ||
!(arguments[0] instanceof Number) ||
!(arguments[1] instanceof Number) ||
!(arguments[2] instanceof Number) ||
!(arguments[3] instanceof Number) ||
!(arguments[4] instanceof Number) ||
!(arguments[5] instanceof Number) )
{
throw new LuaException( "Expected number, number, number, number, number, number" );
}
final int minx = ((Number)arguments[0]).intValue();
final int miny = ((Number)arguments[1]).intValue();
final int minz = ((Number)arguments[2]).intValue();
final int maxx = ((Number)arguments[3]).intValue();
final int maxy = ((Number)arguments[4]).intValue();
final int maxz = ((Number)arguments[5]).intValue();
final int minx = getInt( arguments, 0 );
final int miny = getInt( arguments, 1 );
final int minz = getInt( arguments, 2 );
final int maxx = getInt( arguments, 3 );
final int maxy = getInt( arguments, 4 );
final int maxz = getInt( arguments, 5 );
return context.executeMainThreadTask( new ILuaTask()
{
@Override
@ -295,16 +280,9 @@ public class CommandAPI implements ILuaAPI
case 5:
{
// getBlockInfo
if( arguments.length < 3 ||
!(arguments[0] instanceof Number) ||
!(arguments[1] instanceof Number) ||
!(arguments[2] instanceof Number) )
{
throw new LuaException( "Expected number, number, number" );
}
final int x = ((Number)arguments[0]).intValue();
final int y = ((Number)arguments[1]).intValue();
final int z = ((Number)arguments[2]).intValue();
final int x = getInt( arguments, 0 );
final int y = getInt( arguments, 1 );
final int z = getInt( arguments, 2 );
return context.executeMainThreadTask( new ILuaTask()
{
@Override

9
src/main/java/dan200/computercraft/shared/peripheral/commandblock/CommandBlockPeripheral.java
View File

@ -16,6 +16,8 @@ import net.minecraft.util.math.BlockPos;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
public class CommandBlockPeripheral implements IPeripheral
{
private final TileEntityCommandBlock m_commandBlock;
@ -67,12 +69,7 @@ public class CommandBlockPeripheral implements IPeripheral
case 1:
{
// setCommand
if( arguments.length < 1 || !(arguments[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
final String command = (String) arguments[ 0 ];
final String command = getString( arguments, 0 );
context.issueMainThreadTask( new ILuaTask()
{
@Override

12
src/main/java/dan200/computercraft/shared/peripheral/diskdrive/DiskDrivePeripheral.java
View File

@ -18,6 +18,8 @@ import net.minecraft.item.ItemStack;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.optString;
public class DiskDrivePeripheral implements IPeripheral
{
private final TileDiskDrive m_diskDrive;
@ -78,15 +80,7 @@ public class DiskDrivePeripheral implements IPeripheral
case 2:
{
// setDiskLabel
String label = null;
if( arguments.length > 0 )
{
if( arguments[0] != null && !(arguments[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
label = (String)arguments[0];
}
String label = optString( arguments, 0, null );
IMedia media = m_diskDrive.getDiskMedia();
if( media != null )

8
src/main/java/dan200/computercraft/shared/peripheral/modem/ModemPeripheral.java
View File

@ -21,6 +21,8 @@ import net.minecraft.world.World;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
public abstract class ModemPeripheral
implements IPeripheral, IPacketSender, IPacketReceiver
{
@ -147,11 +149,7 @@ public abstract class ModemPeripheral
private static int parseChannel( Object[] arguments, int index ) throws LuaException
{
if( arguments.length <= index || !(arguments[index] instanceof Double) )
{
throw new LuaException( "Expected number" );
}
int channel = (int)((Double)arguments[index]).doubleValue();
int channel = getInt( arguments, index );
if( channel < 0 || channel > 65535 )
{
throw new LuaException( "Expected number in range 0-65535" );

21
src/main/java/dan200/computercraft/shared/peripheral/modem/TileCable.java
View File

@ -40,6 +40,8 @@ import javax.annotation.Nonnull;
import java.io.File;
import java.util.*;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
public class TileCable extends TileModemBase
implements IPacketNetwork
{
@ -116,15 +118,6 @@ public class TileCable extends TileModemBase
return newMethods;
}
private String parseString( Object[] arguments, int index ) throws LuaException
{
if( arguments.length < (index + 1) || !(arguments[index] instanceof String) )
{
throw new LuaException( "Expected string" );
}
return (String)arguments[index];
}
@Override
public Object[] callMethod( @Nonnull IComputerAccess computer, @Nonnull ILuaContext context, int method, @Nonnull Object[] arguments ) throws LuaException, InterruptedException
{
@ -148,13 +141,13 @@ public class TileCable extends TileModemBase
case 1:
{
// isPresentRemote
String type = m_entity.getTypeRemote( parseString( arguments, 0 ) );
String type = m_entity.getTypeRemote( getString( arguments, 0 ) );
return new Object[] { type != null };
}
case 2:
{
// getTypeRemote
String type = m_entity.getTypeRemote( parseString( arguments, 0 ) );
String type = m_entity.getTypeRemote( getString( arguments, 0 ) );
if( type != null )
{
return new Object[] { type };
@ -164,7 +157,7 @@ public class TileCable extends TileModemBase
case 3:
{
// getMethodsRemote
String[] methodNames = m_entity.getMethodNamesRemote( parseString( arguments, 0 ) );
String[] methodNames = m_entity.getMethodNamesRemote( getString( arguments, 0 ) );
if( methodNames != null )
{
Map<Object,Object> table = new HashMap<Object,Object>();
@ -178,8 +171,8 @@ public class TileCable extends TileModemBase
case 4:
{
// callRemote
String remoteName = parseString( arguments, 0 );
String methodName = parseString( arguments, 1 );
String remoteName = getString( arguments, 0 );
String methodName = getString( arguments, 1 );
Object[] methodArgs = new Object[ arguments.length - 2 ];
System.arraycopy( arguments, 2, methodArgs, 0, arguments.length - 2 );
return m_entity.callMethodRemote( remoteName, context, methodName, methodArgs );

79
src/main/java/dan200/computercraft/shared/peripheral/monitor/MonitorPeripheral.java
View File

@ -10,14 +10,15 @@ import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.peripheral.IPeripheral;
import dan200.computercraft.core.apis.TermAPI;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.shared.util.Palette;
import org.apache.commons.lang3.ArrayUtils;
import java.util.HashMap;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.*;
public class MonitorPeripheral implements IPeripheral
{
private final TileMonitor m_monitor;
@ -90,23 +91,16 @@ public class MonitorPeripheral implements IPeripheral
case 1:
{
// scroll
if( args.length < 1 || !(args[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int value = getInt( args, 0 );
Terminal terminal = m_monitor.getTerminal().getTerminal();
terminal.scroll( ((Number)(args[0])).intValue() );
terminal.scroll( value );
return null;
}
case 2:
{
// setCursorPos
if( args.length < 2 || !(args[0] instanceof Number) || !(args[1] instanceof Number) )
{
throw new LuaException( "Expected number, number" );
}
int x = ((Number)args[0]).intValue() - 1;
int y = ((Number)args[1]).intValue() - 1;
int x = getInt( args, 0 ) - 1;
int y = getInt( args, 1 ) - 1;
Terminal terminal = m_monitor.getTerminal().getTerminal();
terminal.setCursorPos( x, y );
return null;
@ -114,12 +108,9 @@ public class MonitorPeripheral implements IPeripheral
case 3:
{
// setCursorBlink
if( args.length < 1 || !(args[0] instanceof Boolean) )
{
throw new LuaException( "Expected boolean" );
}
boolean blink = getBoolean( args, 0 );
Terminal terminal = m_monitor.getTerminal().getTerminal();
terminal.setCursorBlink( (Boolean) args[ 0 ] );
terminal.setCursorBlink( blink );
return null;
}
case 4:
@ -157,11 +148,7 @@ public class MonitorPeripheral implements IPeripheral
case 8:
{
// setTextScale
if( args.length < 1 || !(args[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int scale = (int)(((Number)args[0]).doubleValue() * 2.0);
int scale = (int) (getReal( args, 0 ) * 2.0);
if( scale < 1 || scale > 10 )
{
throw new LuaException( "Expected number in range 0.5-5" );
@ -173,7 +160,7 @@ public class MonitorPeripheral implements IPeripheral
case 10:
{
// setTextColour/setTextColor
int colour = dan200.computercraft.core.apis.TermAPI.parseColour( args );
int colour = TermAPI.parseColour( args );
Terminal terminal = m_monitor.getTerminal().getTerminal();
terminal.setTextColour( colour );
return null;
@ -182,7 +169,7 @@ public class MonitorPeripheral implements IPeripheral
case 12:
{
// setBackgroundColour/setBackgroundColor
int colour = dan200.computercraft.core.apis.TermAPI.parseColour( args );
int colour = TermAPI.parseColour( args );
Terminal terminal = m_monitor.getTerminal().getTerminal();
terminal.setBackgroundColour( colour );
return null;
@ -200,26 +187,21 @@ public class MonitorPeripheral implements IPeripheral
{
// getTextColour/getTextColor
Terminal terminal = m_monitor.getTerminal().getTerminal();
return dan200.computercraft.core.apis.TermAPI.encodeColour( terminal.getTextColour() );
return TermAPI.encodeColour( terminal.getTextColour() );
}
case 17:
case 18:
{
// getBackgroundColour/getBackgroundColor
Terminal terminal = m_monitor.getTerminal().getTerminal();
return dan200.computercraft.core.apis.TermAPI.encodeColour( terminal.getBackgroundColour() );
return TermAPI.encodeColour( terminal.getBackgroundColour() );
}
case 19:
{
// blit
if( args.length < 3 || !(args[0] instanceof String) || !(args[1] instanceof String) || !(args[2] instanceof String) )
{
throw new LuaException( "Expected string, string, string" );
}
String text = (String)args[0];
String textColour = (String)args[1];
String backgroundColour = (String)args[2];
String text = getString( args, 0 );
String textColour = getString( args, 1 );
String backgroundColour = getString( args, 2 );
if( textColour.length() != text.length() || backgroundColour.length() != text.length() )
{
throw new LuaException( "Arguments must be the same length" );
@ -236,26 +218,21 @@ public class MonitorPeripheral implements IPeripheral
// setPaletteColour/setPaletteColor
Terminal terminal = m_monitor.getTerminal().getTerminal();
if(args.length == 2 && args[0] instanceof Double && args[1] instanceof Double)
int colour = 15 - TermAPI.parseColour( args );
if( args.length == 2 )
{
int colour = 15 - dan200.computercraft.core.apis.TermAPI.parseColour( args );
int hex = ((Double)args[1]).intValue();
int hex = getInt( args, 1 );
double[] rgb = Palette.decodeRGB8( hex );
dan200.computercraft.core.apis.TermAPI.setColour( terminal, colour, rgb[0], rgb[1], rgb[2] );
return null;
TermAPI.setColour( terminal, colour, rgb[ 0 ], rgb[ 1 ], rgb[ 2 ] );
}
if (args.length >= 4 && args[0] instanceof Double && args[1] instanceof Double && args[2] instanceof Double && args[3] instanceof Double)
else
{
int colour = 15 - dan200.computercraft.core.apis.TermAPI.parseColour( args );
double r = (Double)args[1];
double g = (Double)args[2];
double b = (Double)args[3];
dan200.computercraft.core.apis.TermAPI.setColour( terminal, colour, r, g, b );
return null;
double r = getReal( args, 1 );
double g = getReal( args, 2 );
double b = getReal( args, 3 );
TermAPI.setColour( terminal, colour, r, g, b );
}
throw new LuaException( "Expected number, number, number, number" );
return null;
}
case 22:
case 23:
@ -264,7 +241,7 @@ public class MonitorPeripheral implements IPeripheral
Terminal terminal = m_monitor.getTerminal().getTerminal();
Palette palette = terminal.getPalette();
int colour = 15 - dan200.computercraft.core.apis.TermAPI.parseColour( args );
int colour = 15 - TermAPI.parseColour( args );
if( palette != null )
{

23
src/main/java/dan200/computercraft/shared/peripheral/printer/PrinterPeripheral.java
View File

@ -14,6 +14,9 @@ import dan200.computercraft.core.terminal.Terminal;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
import static dan200.computercraft.core.apis.ArgumentHelper.optString;
public class PrinterPeripheral implements IPeripheral
{
private final TilePrinter m_printer;
@ -70,13 +73,8 @@ public class PrinterPeripheral implements IPeripheral
case 1:
{
// setCursorPos
if( args.length != 2 || args[0] == null || !(args[0] instanceof Number) || args[1] == null || !(args[1] instanceof Number) )
{
throw new LuaException( "Expected number, number" );
}
int x = ((Number)args[0]).intValue() - 1;
int y = ((Number)args[1]).intValue() - 1;
int x = getInt( args, 0 ) - 1;
int y = getInt( args, 1 ) - 1;
Terminal page = getCurrentPage();
page.setCursorPos( x, y );
return null;
@ -116,16 +114,7 @@ public class PrinterPeripheral implements IPeripheral
case 7:
{
// setPageTitle
String title = "";
if( args.length > 0 && args[0] != null )
{
if( !(args[0] instanceof String) )
{
throw new LuaException( "Expected string" );
}
title = (String)args[0];
}
String title = optString( args, 0, "" );
getCurrentPage();
m_printer.setPageTitle( title );
return null;

82
src/main/java/dan200/computercraft/shared/peripheral/speaker/SpeakerPeripheral.java
View File

@ -17,9 +17,13 @@ import net.minecraft.util.SoundCategory;
import net.minecraft.util.SoundEvent;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import static dan200.computercraft.core.apis.ArgumentHelper.optReal;
public class SpeakerPeripheral implements IPeripheral {
private TileSpeaker m_speaker;
private long m_clock;
@ -127,47 +131,20 @@ public class SpeakerPeripheral implements IPeripheral {
@Nonnull
private synchronized Object[] playNote( Object[] arguments, ILuaContext context ) throws LuaException
{
float volume = 1.0f;
float pitch = 1.0f;
String name = getString(arguments, 0);
float volume = (float) optReal( arguments, 1, 1.0 );
float pitch = (float) optReal( arguments, 2, 1.0 );
// Check if arguments are correct
if( arguments.length == 0 ) // Too few args
{
throw new LuaException( "Expected string, number (optional), number (optional)" );
}
if( !(arguments[0] instanceof String) ) // Arg wrong type
{
throw new LuaException("Expected string, number (optional), number (optional)");
}
if ( !SoundEvent.REGISTRY.containsKey( new ResourceLocation( "block.note." + arguments[0] ) ) )
// Check if sound exists
if ( !SoundEvent.REGISTRY.containsKey( new ResourceLocation( "block.note." + name ) ) )
{
throw new LuaException("Invalid instrument, \"" + arguments[0] + "\"!");
}
if ( arguments.length > 1 )
{
if ( arguments[1] != null && !(arguments[1] instanceof Double) ) // Arg wrong type
{
throw new LuaException( "Expected string, number (optional), number (optional)" );
}
volume = arguments[1] != null ? ((Double) arguments[1]).floatValue() : 1f;
}
if( arguments.length > 2 )
{
if( arguments[2] != null && !(arguments[2] instanceof Double) ) // Arg wrong type
{
throw new LuaException("Expected string, number (optional), number (optional)");
}
pitch = arguments[2] != null ? ((Double) arguments[2]).floatValue() : 1f;
}
// If the resource location for note block notes changes, this method call will need to be updated
Object[] returnValue = playSound(
new Object[] {
"block.note." + arguments[0],
"block.note." + name,
(double)Math.min( volume, 3f ),
Math.pow( 2.0f, ( pitch - 12.0f ) / 12.0f)
}, context, true
@ -184,42 +161,11 @@ public class SpeakerPeripheral implements IPeripheral {
@Nonnull
private synchronized Object[] playSound( Object[] arguments, ILuaContext context, boolean isNote ) throws LuaException
{
String name = getString(arguments, 0);
float volume = (float) optReal( arguments, 1, 1.0 );
float pitch = (float) optReal( arguments, 2, 1.0 );
float volume = 1.0f;
float pitch = 1.0f;
// Check if arguments are correct
if( arguments.length == 0 ) // Too few args
{
throw new LuaException( "Expected string, number (optional), number (optional)" );
}
if( !(arguments[0] instanceof String) ) // Arg wrong type
{
throw new LuaException( "Expected string, number (optional), number (optional)" );
}
if( arguments.length > 1 )
{
if( arguments[1] != null && !(arguments[1] instanceof Double) ) // Arg wrong type
{
throw new LuaException( "Expected string, number (optional), number (optional)" );
}
volume = arguments[1] != null ? ((Double) arguments[1]).floatValue() : 1f;
}
if( arguments.length > 2 )
{
if( arguments[2] != null && !(arguments[2] instanceof Double) ) // Arg wrong type
{
throw new LuaException( "Expected string, number (optional), number (optional)" );
}
pitch = arguments[2] != null ? ((Double) arguments[2]).floatValue() : 1f;
}
ResourceLocation resourceName = new ResourceLocation( (String) arguments[0] );
ResourceLocation resourceName = new ResourceLocation( name );
if( m_clock - m_lastPlayTime >= TileSpeaker.MIN_TICKS_BETWEEN_SOUNDS || ( ( m_clock - m_lastPlayTime == 0 ) && ( m_notesThisTick < ComputerCraft.maxNotesPerTick ) && isNote ) )
{

94
src/main/java/dan200/computercraft/shared/turtle/apis/TurtleAPI.java
View File

@ -22,6 +22,8 @@ import javax.annotation.Nonnull;
import java.util.HashMap;
import java.util.Map;
import static dan200.computercraft.core.apis.ArgumentHelper.*;
public class TurtleAPI implements ILuaAPI
{
private IAPIEnvironment m_environment;
@ -115,38 +117,23 @@ public class TurtleAPI implements ILuaAPI
private int parseSlotNumber( Object[] arguments, int index ) throws LuaException
{
int slot = parseOptionalSlotNumber( arguments, index, 99 );
if( slot == 99 )
{
throw new LuaException( "Expected number" );
}
return slot;
int slot = getInt( arguments, index );
if( slot < 1 || slot > 16 ) throw new LuaException( "Slot number " + slot + " out of range" );
return slot - 1;
}
private int parseOptionalSlotNumber( Object[] arguments, int index, int fallback ) throws LuaException
{
if( arguments.length <= index || !(arguments[index] instanceof Number) )
{
return fallback;
}
int slot = ((Number)arguments[index]).intValue();
if( slot >= 1 && slot <= 16 )
{
return slot - 1;
}
else
{
throw new LuaException( "Slot number " + slot + " out of range" );
}
if( index >= arguments.length || arguments[ index ] == null ) return fallback;
int slot = getInt( arguments, index );
if( slot < 1 || slot > 16 ) throw new LuaException( "Slot number " + slot + " out of range" );
return slot - 1;
}
private int parseCount( Object[] arguments, int index ) throws LuaException
{
if( arguments.length <= index || !(arguments[index] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int count = ((Number)arguments[index]).intValue();
int count = optInt( arguments, index, 64 );
if( count >= 0 && count <= 64 )
{
return count;
@ -159,19 +146,16 @@ public class TurtleAPI implements ILuaAPI
private Optional<TurtleSide> parseSide( Object[] arguments, int index ) throws LuaException
{
if( arguments.length <= index || arguments[index] == null )
String side = optString( arguments, index, null );
if( side == null )
{
return Optional.absent();
}
if( !(arguments[ index ] instanceof String) )
{
throw new LuaException( "Expected string" );
}
if( arguments[ index ].equals( "left" ) )
else if( side.equalsIgnoreCase( "left" ) )
{
return Optional.of( TurtleSide.Left );
}
else if( arguments[ index ].equals( "right" ) )
else if( side.equalsIgnoreCase( "right" ) )
{
return Optional.of( TurtleSide.Right );
}
@ -252,11 +236,7 @@ public class TurtleAPI implements ILuaAPI
case 12:
{
// drop
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleDropCommand( InteractDirection.Forward, count ) );
}
case 13:
@ -343,51 +323,31 @@ public class TurtleAPI implements ILuaAPI
case 25:
{
// dropUp
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleDropCommand( InteractDirection.Up, count ) );
}
case 26:
{
// dropDown
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleDropCommand( InteractDirection.Down, count ) );
}
case 27:
{
// suck
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleSuckCommand( InteractDirection.Forward, count ) );
}
case 28:
{
// suckUp
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleSuckCommand( InteractDirection.Up, count ) );
}
case 29:
{
// suckDown
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleSuckCommand( InteractDirection.Down, count ) );
}
case 30:
@ -405,11 +365,7 @@ public class TurtleAPI implements ILuaAPI
case 31:
{
// refuel
int count = 64;
if( args.length > 0 )
{
count = parseCount( args, 0 );
}
int count = parseCount( args, 0 );
return tryCommand( context, new TurtleRefuelCommand( count ) );
}
case 32:
@ -422,11 +378,7 @@ public class TurtleAPI implements ILuaAPI
{
// transferTo
int slot = parseSlotNumber( args, 0 );
int count = 64;
if( args.length > 1 )
{
count = parseCount( args, 1 );
}
int count = parseCount( args, 1 );
return tryCommand( context, new TurtleTransferToCommand( slot, count ) );
}
case 34:

13
src/main/java/dan200/computercraft/shared/turtle/upgrades/CraftingTablePeripheral.java
View File

@ -15,6 +15,8 @@ import dan200.computercraft.shared.turtle.core.TurtleCraftCommand;
import javax.annotation.Nonnull;
import static dan200.computercraft.core.apis.ArgumentHelper.optInt;
public class CraftingTablePeripheral
implements IPeripheral
{
@ -45,16 +47,7 @@ public class CraftingTablePeripheral
private int parseCount( Object[] arguments ) throws LuaException
{
if( arguments.length < 1 )
{
return 64;
}
if( !(arguments[0] instanceof Number) )
{
throw new LuaException( "Expected number" );
}
int count = ((Number)arguments[0]).intValue();
int count = optInt( arguments, 0, 64 );
if( count < 0 || count > 64 )
{
throw new LuaException( "Crafting count " + count + " out of range" );

2
src/main/resources/assets/computercraft/lua/rom/apis/colors.lua
View File

@ -45,6 +45,6 @@ function rgb8( r, g, b )
bit32.lshift( bit32.band(g * 255, 0xFF), 8 ) +
bit32.band(b * 255, 0xFF)
else
error( "Expected 1 or 3 numbers" )
error( "Expected 1 or 3 numbers", 2 )
end
end

44
src/main/resources/assets/computercraft/lua/rom/apis/paintutils.lua
View File

@ -11,7 +11,7 @@ end
function loadImage( sPath )
if type( sPath ) ~= "string" then
error( "Expected path", 2 )
error( "bad argument #1 (expected string, got " .. type( sPath ) .. ")", 2 )
end
local tImage = {}
@ -33,9 +33,9 @@ function loadImage( sPath )
end
function drawPixel( xPos, yPos, nColour )
if type( xPos ) ~= "number" or type( yPos ) ~= "number" or (nColour ~= nil and type( nColour ) ~= "number") then
error( "Expected x, y, colour", 2 )
end
if type( xPos ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( xPos ) .. ")", 2 ) end
if type( yPos ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( yPos ) .. ")", 2 ) end
if nColour ~= nil and type( nColour ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( nColour ) .. ")", 2 ) end
if nColour then
term.setBackgroundColor( nColour )
end
@ -43,11 +43,11 @@ function drawPixel( xPos, yPos, nColour )
end
function drawLine( startX, startY, endX, endY, nColour )
if type( startX ) ~= "number" or type( startX ) ~= "number" or
type( endX ) ~= "number" or type( endY ) ~= "number" or
(nColour ~= nil and type( nColour ) ~= "number") then
error( "Expected startX, startY, endX, endY, colour", 2 )
end
if type( startX ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( startX ) .. ")", 2 ) end
if type( startY ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( startY ) .. ")", 2 ) end
if type( endX ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( endX ) .. ")", 2 ) end
if type( endY ) ~= "number" then error( "bad argument #4 (expected number, got " .. type( endY ) .. ")", 2 ) end
if nColour ~= nil and type( nColour ) ~= "string" then error( "bad argument #5 (expected number, got " .. type( nColour ) .. ")", 2 ) end
startX = math.floor(startX)
startY = math.floor(startY)
@ -103,11 +103,11 @@ function drawLine( startX, startY, endX, endY, nColour )
end
function drawBox( startX, startY, endX, endY, nColour )
if type( startX ) ~= "number" or type( startX ) ~= "number" or
type( endX ) ~= "number" or type( endY ) ~= "number" or
(nColour ~= nil and type( nColour ) ~= "number") then
error( "Expected startX, startY, endX, endY, colour", 2 )
end
if type( startX ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( startX ) .. ")", 2 ) end
if type( startY ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( startY ) .. ")", 2 ) end
if type( endX ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( endX ) .. ")", 2 ) end
if type( endY ) ~= "number" then error( "bad argument #4 (expected number, got " .. type( endY ) .. ")", 2 ) end
if nColour ~= nil and type( nColour ) ~= "string" then error( "bad argument #5 (expected number, got " .. type( nColour ) .. ")", 2 ) end
startX = math.floor(startX)
startY = math.floor(startY)
@ -147,11 +147,11 @@ function drawBox( startX, startY, endX, endY, nColour )
end
function drawFilledBox( startX, startY, endX, endY, nColour )
if type( startX ) ~= "number" or type( startX ) ~= "number" or
type( endX ) ~= "number" or type( endY ) ~= "number" or
(nColour ~= nil and type( nColour ) ~= "number") then
error( "Expected startX, startY, endX, endY, colour", 2 )
end
if type( startX ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( startX ) .. ")", 2 ) end
if type( startY ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( startY ) .. ")", 2 ) end
if type( endX ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( endX ) .. ")", 2 ) end
if type( endY ) ~= "number" then error( "bad argument #4 (expected number, got " .. type( endY ) .. ")", 2 ) end
if nColour ~= nil and type( nColour ) ~= "string" then error( "bad argument #5 (expected number, got " .. type( nColour ) .. ")", 2 ) end
startX = math.floor(startX)
startY = math.floor(startY)
@ -185,9 +185,9 @@ function drawFilledBox( startX, startY, endX, endY, nColour )
end
function drawImage( tImage, xPos, yPos )
if type( tImage ) ~= "table" or type( xPos ) ~= "number" or type( yPos ) ~= "number" then
error( "Expected image, x, y", 2 )
end
if type( tImage ) ~= "table" then error( "bad argument #1 (expected number, got " .. type( tImage ) .. ")", 2 ) end
if type( xPos ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( xPos ) .. ")", 2 ) end
if type( yPos ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( yPos ) .. ")", 2 ) end
for y=1,#tImage do
local tLine = tImage[y]
for x=1,#tLine do

23
src/main/resources/assets/computercraft/lua/rom/apis/parallel.lua
View File

@ -1,12 +1,17 @@
local function create( first, ... )
if first ~= nil then
if type( first ) ~= "function" then
error( "Expected function, got "..type( first ), 3 )
end
return coroutine.create(first), create( ... )
local function create( ... )
local tFns = table.pack(...)
local tCos = {}
for i = 1, tFns.n, 1 do
local fn = tFns[i]
if type( fn ) ~= "function" then
error( "bad argument #" .. i .. " (expected function, got " .. type( fn ) .. ")", 3 )
end
tCos[i] = coroutine.create(fn)
end
return nil
return tCos
end
local function runUntilLimit( _routines, _limit )
@ -51,11 +56,11 @@ local function runUntilLimit( _routines, _limit )
end
function waitForAny( ... )
local routines = { create( ... ) }
local routines = create( ... )
return runUntilLimit( routines, #routines - 1 )
end
function waitForAll( ... )
local routines = { create( ... ) }
local routines = create( ... )
runUntilLimit( routines, 0 )
end

24
src/main/resources/assets/computercraft/lua/rom/apis/peripheral.lua
View File

@ -18,7 +18,7 @@ end
function isPresent( _sSide )
if type( _sSide ) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( _sSide ) .. ")", 2 )
end
if native.isPresent( _sSide ) then
return true
@ -35,7 +35,7 @@ end
function getType( _sSide )
if type( _sSide ) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( _sSide ) .. ")", 2 )
end
if native.isPresent( _sSide ) then
return native.getType( _sSide )
@ -52,7 +52,7 @@ end
function getMethods( _sSide )
if type( _sSide ) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( _sSide ) .. ")", 2 )
end
if native.isPresent( _sSide ) then
return native.getMethods( _sSide )
@ -68,8 +68,11 @@ function getMethods( _sSide )
end
function call( _sSide, _sMethod, ... )
if type( _sSide ) ~= "string" or type( _sMethod ) ~= "string" then
error( "Expected string, string", 2 )
if type( _sSide ) ~= "string" then
error( "bad argument #1 (expected string, got " .. type( _sSide ) .. ")", 2 )
end
if type( _sSide ) ~= "string" then
error( "bad argument #2 (expected string, got " .. type( _sMethod ) .. ")", 2 )
end
if native.isPresent( _sSide ) then
return native.call( _sSide, _sMethod, ... )
@ -85,8 +88,8 @@ function call( _sSide, _sMethod, ... )
end
function wrap( _sSide )
if type( _sSide ) ~= "string" then
error( "Expected string", 2 )
if type( _sSide ) ~= "string" then
error( "bad argument #1 (expected string, got " .. type( _sSide ) .. ")", 2 )
end
if peripheral.isPresent( _sSide ) then
local tMethods = peripheral.getMethods( _sSide )
@ -102,8 +105,11 @@ function wrap( _sSide )
end
function find( sType, fnFilter )
if type( sType ) ~= "string" or (fnFilter ~= nil and type( fnFilter ) ~= "function") then
error( "Expected string, [function]", 2 )
if type( _sSide ) ~= "string" then
error( "bad argument #1 (expected string, got " .. type( _sSide ) .. ")", 2 )
end
if fnFilter ~= nil and type( fnFilter ) ~= "string" then
error( "bad argument #2 (expected function, got " .. type( fnFilter ) .. ")", 2 )
end
local tResults = {}
for n,sName in ipairs( peripheral.getNames() ) do

18
src/main/resources/assets/computercraft/lua/rom/apis/settings.lua
View File

@ -2,11 +2,13 @@
local tSettings = {}
function set( sName, value )
if type(sName) ~= "string" or
(type(value) ~= "string" and type(value) ~= "number" and type(value) ~= "boolean" and type(value) ~= "table") then
error( "Expected string, value", 2 )
if type( sName ) ~= "string" then error( "bad argument #1 (expected string, got " .. type( sName ) .. ")", 2 ) end
local sValueTy = type(value)
if sValueTy ~= "number" and sValueTy ~= "string" and sValueTy ~= "boolean" and sValueTy ~= "table" then
error( "bad argument #2 (expected value, got " .. sValueTy .. ")", 2 )
end
if type(value) == "table" then
if sValueTy == "table" then
-- Ensure value is serializeable
value = textutils.unserialize( textutils.serialize(value) )
end
@ -28,7 +30,7 @@ end
function get( sName, default )
if type(sName) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( sName ) .. ")", 2 )
end
local result = tSettings[ sName ]
if result ~= nil then
@ -40,7 +42,7 @@ end
function unset( sName )
if type(sName) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( sName ) .. ")", 2 )
end
tSettings[ sName ] = nil
end
@ -59,7 +61,7 @@ end
function load( sPath )
if type(sPath) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( sPath ) .. ")", 2 )
end
local file = fs.open( sPath, "r" )
if not file then
@ -86,7 +88,7 @@ end
function save( sPath )
if type(sPath) ~= "string" then
error( "Expected string", 2 )
error( "bad argument #1 (expected string, got " .. type( sPath ) .. ")", 2 )
end
local file = fs.open( sPath, "w" )
if not file then

87
src/main/resources/assets/computercraft/lua/rom/apis/window.lua
View File

@ -18,20 +18,18 @@ local tHex = {
[ colors.black ] = "f",
}
local type = type
local string_rep = string.rep
local string_sub = string.sub
local table_unpack = table.unpack
function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
if type( parent ) ~= "table" or
type( nX ) ~= "number" or
type( nY ) ~= "number" or
type( nWidth ) ~= "number" or
type( nHeight ) ~= "number" or
(bStartVisible ~= nil and type( bStartVisible ) ~= "boolean") then
error( "Expected object, number, number, number, number, [boolean]", 2 )
end
if type( parent ) ~= "table" then error( "bad argument #1 (expected table, got " .. type( parent ) .. ")", 2 ) end
if type( nX ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( nX ) .. ")", 2 ) end
if type( nY ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( nY ) .. ")", 2 ) end
if type( nWidth ) ~= "number" then error( "bad argument #4 (expected number, got " .. type( nWidth ) .. ")", 2 ) end
if type( nHeight ) ~= "number" then error( "bad argument #5 (expected number, got " .. type( nHeight ) .. ")", 2 ) end
if bStartVisible ~= nil and type( bStartVisible ) ~= "boolean" then error( "bad argument #6 (expected boolean, got " .. type( bStartVisible ) .. ")", 2 ) end
if parent == term then
error( "term is not a recommended window parent, try term.current() instead", 2 )
@ -193,9 +191,9 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
end
function window.blit( sText, sTextColor, sBackgroundColor )
if type(sText) ~= "string" or type(sTextColor) ~= "string" or type(sBackgroundColor) ~= "string" then
error( "Expected string, string, string", 2 )
end
if type( sText ) ~= "string" then error( "bad argument #1 (expected string, got " .. type( sText ) .. ")", 2 ) end
if type( sTextColor ) ~= "string" then error( "bad argument #2 (expected string, got " .. type( sTextColor ) .. ")", 2 ) end
if type( sBackgroundColor ) ~= "string" then error( "bad argument #3 (expected string, got " .. type( sBackgroundColor ) .. ")", 2 ) end
if #sTextColor ~= #sText or #sBackgroundColor ~= #sText then
error( "Arguments must be the same length", 2 )
end
@ -243,9 +241,8 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
end
function window.setCursorPos( x, y )
if type( x ) ~= "number" or type( y ) ~= "number" then
error( "Expected number, number", 2 )
end
if type( x ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( x ) .. ")", 2 ) end
if type( y ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( y ) .. ")", 2 ) end
nCursorX = math.floor( x )
nCursorY = math.floor( y )
if bVisible then
@ -254,9 +251,7 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
end
function window.setCursorBlink( blink )
if type( blink ) ~= "boolean" then
error( "Expected boolean", 2 )
end
if type( blink ) ~= "boolean" then error( "bad argument #1 (expected boolean, got " .. type( blink ) .. ")", 2 ) end
bCursorBlink = blink
if bVisible then
updateCursorBlink()
@ -276,10 +271,10 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
end
local function setTextColor( color )
if type(color) ~= "number" then
error( "Expected number", 3 )
if type( color ) ~= "number" then
error( "bad argument #1 (expected number, got " .. type( color ) .. ")", 2 )
elseif tHex[color] == nil then
error( "Invalid color", 3 )
error( "Invalid color", 2 )
end
nTextColor = color
if bVisible then
@ -287,26 +282,25 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
end
end
function window.setTextColor( color )
setTextColor( color )
end
function window.setTextColour( color )
setTextColor( color )
end
window.setTextColor = setTextColor
window.setTextColour = setTextColor
function window.setPaletteColour( colour, r, g, b )
if type( colour ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( colour ) .. ")", 2 ) end
local tCol
if type(colour) == "number" and type(r) == "number" and g == nil and b == nil then
if type(r) == "number" and g == nil and b == nil then
tCol = { colours.rgb8( r ) }
tPalette[ colour ] = tCol
elseif type(colour) == "number" and type(r) == "number" and type(g) == "number" and type(b) == "number" then
else
if type( r ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( r ) .. ")", 2 ) end
if type( g ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( g ) .. ")", 2 ) end
if type( b ) ~= "number" then error( "bad argument #4 (expected number, got " .. type( b ) .. ")", 2 ) end
tCol = tPalette[ colour ]
tCol[1] = r
tCol[2] = g
tCol[3] = b
else
error( "Expected number, number, number, number", 2 )
end
if bVisible then
@ -324,30 +318,23 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
window.getPaletteColor = window.getPaletteColour
local function setBackgroundColor( color )
if type(color) ~= "number" then
error( "Expected number", 3 )
if type( color ) ~= "number" then
error( "bad argument #1 (expected number, got " .. type( color ) .. ")", 2 )
elseif tHex[color] == nil then
error( "Invalid color", 3 )
end
nBackgroundColor = color
end
function window.setBackgroundColor( color )
setBackgroundColor( color )
end
function window.setBackgroundColour( color )
setBackgroundColor( color )
end
window.setBackgroundColor = setBackgroundColor
window.setBackgroundColour = setBackgroundColor
function window.getSize()
return nWidth, nHeight
end
function window.scroll( n )
if type( n ) ~= "number" then
error( "Expected number", 2 )
end
if type( n ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( n ) .. ")", 2 ) end
if n ~= 0 then
local tNewLines = {}
local sEmptyText = sEmptySpaceLine
@ -392,9 +379,7 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
-- Other functions
function window.setVisible( bVis )
if type( bVis) ~= "boolean" then
error( "Expected boolean", 2 )
end
if type( bVis ) ~= "boolean" then error( "bad argument #1 (expected boolean, got " .. type( bVis ) .. ")", 2 ) end
if bVisible ~= bVis then
bVisible = bVis
if bVisible then
@ -426,9 +411,11 @@ function create( parent, nX, nY, nWidth, nHeight, bStartVisible )
end
function window.reposition( nNewX, nNewY, nNewWidth, nNewHeight )
if type( nNewX ) ~= "number" or type( nNewY ) ~= "number" or type( nNewWidth ) ~= "number" or type( nNewWidth ) ~= "number" then
error( "Expected number, number, number, number", 2 )
end
if type( nNewX ) ~= "number" then error( "bad argument #1 (expected number, got " .. type( nNewX ) .. ")", 2 ) end
if type( nNewY ) ~= "number" then error( "bad argument #2 (expected number, got " .. type( nNewY ) .. ")", 2 ) end
if type( nNewWidth ) ~= "number" then error( "bad argument #3 (expected number, got " .. type( nNewWidth ) .. ")", 2 ) end
if type( nNewHeight ) ~= "number" then error( "bad argument #4 (expected number, got " .. type( nNewHeight ) .. ")", 2 ) end
nX = nNewX
nY = nNewY
if nNewWidth and nNewHeight then

2
src/main/resources/assets/computercraft/lua/rom/programs/fun/advanced/paint.lua
View File

@ -310,7 +310,7 @@ local function accessMenu()
-- Select an option
if mChoices[selection]=="Save" then
if bReadOnly then
fMessage = "Access Denied"
fMessage = "Access denied"
return false
end
local success = save(sPath)