/**
* Reads whole (including chunk type) string block from stream.
* Stream must be at the chunk type.
*/
public static function read(IntReader $reader)
{
ReadUtil::readCheckType($reader, self::CHUNK_TYPE);
$chunkSize = $reader->readInt();
$stringCount = $reader->readInt();
$styleOffsetCount = $reader->readInt();
$reader->readInt();
$stringsOffset = $reader->readInt();
$stylesOffset = $reader->readInt();
$block = new StringBlock();
$block->m_stringOffsets = $reader->readIntArray($stringCount);
if ($styleOffsetCount != 0) {
$block->m_styleOffsets = $reader->readIntArray($styleOffsetCount);
}
$size = ($stylesOffset == 0 ? $chunkSize : $stylesOffset) - $stringsOffset;
if ($size % 4 != 0) {
throw new IOException("String data size is not multiple of 4 (" + size + ").");
}
$block->m_strings = $reader->readIntArray($size / 4);
if ($stylesOffset != 0) {
$size = $chunkSize - $stylesOffset;
if ($size % 4 != 0) {
throw new IOException("Style data size is not multiple of 4 (" + size + ").");
}
$block->m_styles = $reader->readIntArray($size / 4);
}
$block->s = array();
for ($i = 0; $i != $block->getCount(); ++$i) {
$block->s[$i] = $block->getRaw($i);
}
return block;
}
private function doNext()
{
if ($this->m_tagType == self::END_DOCUMENT) {
return self::END_DOCUMENT;
}
$this->m_tagType = ReadUtil::readInt($this->m_stream) & 0xff;
/*other 3 bytes?*/
/*some source length*/
ReadUtil::readInt($this->m_stream);
$this->m_tagSourceLine = ReadUtil::readInt($this->m_stream);
/*0xFFFFFFFF*/
ReadUtil::readInt($this->m_stream);
$this->m_tagName = -1;
$this->m_tagAttributes = null;
switch ($this->m_tagType) {
case self::START_DOCUMENT:
/*namespace?*/
ReadUtil::readInt($this->m_stream);
/*name?*/
ReadUtil::readInt($this->m_stream);
break;
case self::START_TAG:
/*0xFFFFFFFF*/
ReadUtil::readInt($this->m_stream);
$this->m_tagName = ReadUtil::readInt($this->m_stream);
/*flags?*/
ReadUtil::readInt($this->m_stream);
$attributeCount = ReadUtil::readInt($this->m_stream);
/*?*/
ReadUtil::readInt($this->m_stream);
$this->m_tagAttributes = array();
for ($i = 0; $i != $attributeCount; ++$i) {
$attribute = new TagAttribute();
$attribute->namespace = ReadUtil::readInt($this->m_stream);
$attribute->name = ReadUtil::readInt($this->m_stream);
$attribute->valueString = ReadUtil::readInt($this->m_stream);
$attribute->valueType = ReadUtil::readInt($this->m_stream) >> 24;
/*other 3 bytes?*/
$attribute->value = ReadUtil::readInt($this->m_stream);
$this->m_tagAttributes[$i] = $attribute;
}
break;
case self::END_TAG:
/*0xFFFFFFFF*/
ReadUtil::readInt($this->m_stream);
$this->m_tagName = ReadUtil::readInt($this->m_stream);
break;
case self::TEXT:
$this->m_tagName = ReadUtil::readInt($this->m_stream);
/*?*/
ReadUtil::readInt($this->m_stream);
/*?*/
ReadUtil::readInt($this->m_stream);
break;
case self::END_DOCUMENT:
/*namespace?*/
ReadUtil::readInt($this->m_stream);
/*name?*/
ReadUtil::readInt($this->m_stream);
break;
default:
throw new Exception("Invalid tag type (" . $this->m_tagType . ").");
}
return $this->m_tagType;
}
