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add writeString()

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This commit is contained in:
Volker Berlin 2018-10-09 22:33:14 +02:00
parent a10d029e00
commit 3c2ec0f516
1 changed files with 16 additions and 3 deletions
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19
src/de/inetsoftware/jwebassembly/binary/WasmOutputStream.java
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@ -22,6 +22,7 @@ import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import de.inetsoftware.jwebassembly.module.ValueType;
@ -182,6 +183,20 @@ class WasmOutputStream extends FilterOutputStream {
}
}
/**
* Write a string as UTF8 encoded.
*
* @param str
* the string
* @throws IOException
* if any I/O error occur
*/
void writeString( @Nonnull String str ) throws IOException {
byte[] bytes = str.getBytes( StandardCharsets.UTF_8 );
writeVaruint32( bytes.length );
write( bytes );
}
/**
* Write a section with header and data.
*
@ -203,9 +218,7 @@ class WasmOutputStream extends FilterOutputStream {
writeVaruint32( type.ordinal() );
writeVaruint32( size );
if( type == SectionType.Custom ) {
byte[] bytes = name.getBytes( StandardCharsets.UTF_8 );
writeVaruint32( bytes.length );
write( bytes );
writeString( name );
}
baos.writeTo( this );
}