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#include <cstring>
#include "dxbc_reader.h"
namespace dxvk {
DxbcTag DxbcReader::readTag() {
DxbcTag tag;
this->read(&tag, 4);
return tag;
}
std::string DxbcReader::readString() {
std::string result;
while (m_data[m_pos] != '\0')
result.push_back(m_data[m_pos++]);
m_pos++;
return result;
}
void DxbcReader::read(void* dst, size_t n) {
if (m_pos + n > m_size)
throw DxvkError("DxbcReader::read: Unexpected end of file");
std::memcpy(dst, m_data + m_pos, n);
m_pos += n;
}
void DxbcReader::skip(size_t n) {
if (m_pos + n > m_size)
throw DxvkError("DxbcReader::skip: Unexpected end of file");
m_pos += n;
}
DxbcReader DxbcReader::clone(size_t pos) const {
if (pos > m_size)
throw DxvkError("DxbcReader::clone: Invalid offset");
return DxbcReader(m_data + pos, m_size - pos);
}
DxbcReader DxbcReader::resize(size_t size) const {
if (size > m_size)
throw DxvkError("DxbcReader::resize: Invalid size");
return DxbcReader(m_data, size, m_pos);
}
void DxbcReader::store(std::ostream&& stream) const {
stream.write(m_data, m_size);
}
}
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