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Merge pull request #233 from SquidDev-CC/feature/file-handle-errors

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Provide various error messages for file handles
This commit is contained in:
Daniel Ratcliffe 2017-05-13 21:55:37 +01:00 committed by GitHub
commit 2fd01b2adf
2 changed files with 24 additions and 1 deletions
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21
src/main/java/dan200/computercraft/core/apis/FSAPI.java
View File

@ -292,7 +292,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
}
} catch( FileSystemException e ) {
return null;
return new Object[] { null, e.getMessage() };
}
}
case 12:
@ -372,6 +372,8 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
private static Object[] wrapBufferedReader( final IMountedFileNormal reader )
{
return new Object[] { new ILuaObject() {
private boolean open = true;
@Nonnull
@Override
public String[] getMethodNames()
@ -391,6 +393,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 0:
{
// readLine
if( !open ) throw new LuaException( "attempt to use a closed file" );
try {
String line = reader.readLine();
if( line != null ) {
@ -405,6 +408,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 1:
{
// readAll
if( !open ) throw new LuaException( "attempt to use a closed file" );
try {
StringBuilder result = new StringBuilder( "" );
String line = reader.readLine();
@ -425,6 +429,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
// close
try {
reader.close();
open = false;
return null;
} catch( IOException e ) {
return null;
@ -442,6 +447,8 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
private static Object[] wrapBufferedWriter( final IMountedFileNormal writer )
{
return new Object[] { new ILuaObject() {
private boolean open = true;
@Nonnull
@Override
public String[] getMethodNames()
@ -462,6 +469,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 0:
{
// write
if( !open ) throw new LuaException( "attempt to use a closed file" );
String text;
if( args.length > 0 && args[0] != null ) {
text = args[0].toString();
@ -478,6 +486,8 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 1:
{
// writeLine
if( !open ) throw new LuaException( "attempt to use a closed file" );
String text;
if( args.length > 0 && args[0] != null ) {
text = args[0].toString();
@ -496,6 +506,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
// close
try {
writer.close();
open = false;
return null;
} catch( IOException e ) {
return null;
@ -504,6 +515,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 3:
{
try {
if( !open ) throw new LuaException( "attempt to use a closed file" );
writer.flush();
return null;
} catch ( IOException e ) {
@ -524,6 +536,7 @@ private static Object[] wrapInputStream( final IMountedFileBinary reader )
{
return new Object[] { new ILuaObject() {
private boolean open = true;
@Nonnull
@Override
@ -541,6 +554,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 0:
{
// read
if( !open ) throw new LuaException( "attempt to use a closed file" );
try {
int b = reader.read();
if( b != -1 ) {
@ -557,6 +571,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
//close
try {
reader.close();
open = false;
return null;
} catch( IOException e ) {
return null;
@ -576,6 +591,7 @@ private static Object[] wrapOutputStream( final IMountedFileBinary writer )
{
return new Object[] { new ILuaObject() {
private boolean open = true;
@Nonnull
@Override
@ -594,6 +610,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 0:
{
// write
if( !open ) throw new LuaException( "attempt to use a closed file" );
try {
if( args.length > 0 && args[0] instanceof Number )
{
@ -610,6 +627,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
//close
try {
writer.close();
open = false;
return null;
} catch( IOException e ) {
return null;
@ -617,6 +635,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
}
case 2:
{
if( !open ) throw new LuaException( "attempt to use a closed file" );
try {
writer.flush();
return null;

4
src/main/java/dan200/computercraft/core/apis/HTTPAPI.java
View File

@ -73,6 +73,7 @@ public void advance( double _dt )
private static ILuaObject wrapBufferedReader( final BufferedReader reader, final int responseCode, final Map<String, String> responseHeaders )
{
return new ILuaObject() {
private boolean open = true;
@Nonnull
@Override
public String[] getMethodNames()
@ -94,6 +95,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 0:
{
// readLine
if( !open ) throw new LuaException( "attempt to use a closed response" );
try {
String line = reader.readLine();
if( line != null ) {
@ -108,6 +110,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
case 1:
{
// readAll
if( !open ) throw new LuaException( "attempt to use a closed response" );
try {
StringBuilder result = new StringBuilder( "" );
String line = reader.readLine();
@ -128,6 +131,7 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
// close
try {
reader.close();
open = false;
return null;
} catch( IOException e ) {
return null;