package tv.porst.swfretools.parser.structures;
import static tv.porst.swfretools.parser.SWFParserHelpers.parseUINT16;
import static tv.porst.swfretools.parser.SWFParserHelpers.parseUINT32;
import java.util.ArrayList;
import java.util.List;
import tv.porst.splib.binaryparser.Flag;
import tv.porst.splib.binaryparser.IParsedINTElement;
import tv.porst.splib.binaryparser.UINT16;
import tv.porst.swfretools.parser.SWFBinaryParser;
import tv.porst.swfretools.parser.SWFParserException;
/**
* Parses ClipActions structures.
*
* @author sp
*/
public final class ClipActionsParser {
/**
* Parses a ClipActions structure.
*
* @param parser The parser that parses the structure.
* @param version Flash version number which was read from the SWF file header.
* @param fieldName The name of the structure in the parent structure.
*
* @return The parsed structure.
*
* @throws SWFParserException Thrown if the structure could not be parsed.
*/
public static ClipActions parse(final SWFBinaryParser parser, final int version, final String fieldName) throws SWFParserException {
final UINT16 reserved = parseUINT16(parser, 0x00006, fieldName + "::Reserved");
final ClipEventFlags allEventFlags = ClipEventFlagsParser.parse(parser, version, fieldName);
final List<ClipActionRecord> clipActionRecords = new ArrayList<ClipActionRecord>();
do {
if (version <= 5 && parser.peekUInt16().value() == 0) {
break;
}
if (version > 5 && parser.peekUInt32().value() == 0) {
break;
}
clipActionRecords.add(ClipActionRecordParser.parse(parser, version, fieldName));
} while (true);
final IParsedINTElement clipActionEndFlag = version <= 5 ? parseUINT16(parser, 0x00006, fieldName + "::ClipActionsEndFlag") : parseUINT32(parser, 0x00006, fieldName + "::ClipActionsEndFlag");
return new ClipActions(reserved, allEventFlags, new ClipActionRecordList(clipActionRecords), clipActionEndFlag);
}
/**
* Parses a ClipActions structure if a condition is true.
*
* @param parser The parser that parses the structure.
* @param version Flash version number which was read from the SWF file header.
* @param condition The condition to be true for the structure to be parsed.
* @param fieldName The name of the structure in the parent structure.
*
* @return The parsed structure or null if the condition was false.
*
* @throws SWFParserException Thrown if the structure could not be parsed.
*/
public static ClipActions parseIf(final SWFBinaryParser parser, final int version, final Flag condition, final String fieldName) throws SWFParserException {
return condition.value() ? parse(parser, version, fieldName) : null;
}
}