diff options
Diffstat (limited to 'engines/gargoyle/streams.cpp')
| -rw-r--r-- | engines/gargoyle/streams.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/engines/gargoyle/streams.cpp b/engines/gargoyle/streams.cpp index 6a73c5b3e9..42b89eb673 100644 --- a/engines/gargoyle/streams.cpp +++ b/engines/gargoyle/streams.cpp @@ -369,6 +369,81 @@ glsi32 MemoryStream::getChar() { } } +glsi32 MemoryStream::getCharUni() { + if (!_readable) + return -1; + + if (_bufPtr < _bufEnd) { + if (!_unicode) { + unsigned char ch; + ch = *((unsigned char *)_bufPtr); + _bufPtr = ((unsigned char *)_bufPtr) + 1; + _readCount++; + return ch; + } else { + glui32 ch; + ch = *((glui32 *)_bufPtr); + _bufPtr = ((glui32 *)_bufPtr) + 1; + _readCount++; + return ch; + } + } else { + return -1; + } +} + +glui32 MemoryStream::getBufferUni(glui32 *buf, glui32 len) { + if (!_readable) + return 0; + + if (_bufPtr >= _bufEnd) { + len = 0; + } else { + if (!_unicode) { + unsigned char *bp = (unsigned char *)_bufPtr; + if (bp + len > (unsigned char *)_bufEnd) + { + glui32 lx; + lx = (bp + len) - (unsigned char *)_bufEnd; + if (lx < len) + len -= lx; + else + len = 0; + } + if (len) { + glui32 i; + for (i = 0; i < len; i++) + buf[i] = bp[i]; + bp += len; + if (bp >(unsigned char *)_bufEof) + _bufEof = bp; + } + _readCount += len; + _bufPtr = bp; + } else { + glui32 *bp = (glui32 *)_bufPtr; + if (bp + len > (glui32 *)_bufEnd) { + glui32 lx; + lx = (bp + len) - (glui32 *)_bufEnd; + if (lx < len) + len -= lx; + else + len = 0; + } + if (len) { + memcpy(buf, bp, len * 4); + bp += len; + if (bp >(glui32 *)_bufEof) + _bufEof = bp; + } + _readCount += len; + _bufPtr = bp; + } + } + + return len; +} + /*--------------------------------------------------------------------------*/ FileStream::FileStream(Streams *streams, uint32 rock, bool unicode) : @@ -623,6 +698,103 @@ glsi32 FileStream::getChar() { } } +glsi32 FileStream::getCharUni() { + if (!_readable) + return -1; + + ensureOp(filemode_Read); + int res; + if (!_unicode) { + res = _inFile->readByte(); + } else if (_textFile) { + res = getCharUtf8(); + } else { + glui32 ch; + res = _inFile->readByte(); + if (res == -1) + return -1; + ch = (res & 0xFF); + res = _inFile->readByte(); + if (res == -1) + return -1; + ch = (ch << 8) | (res & 0xFF); + res = _inFile->readByte(); + if (res == -1) + return -1; + ch = (ch << 8) | (res & 0xFF); + res = _inFile->readByte(); + if (res == -1) + return -1; + ch = (ch << 8) | (res & 0xFF); + res = ch; + } + if (res != -1) { + _readCount++; + return (glsi32)res; + } else { + return -1; + } +} + + +glui32 FileStream::getBufferUni(glui32 *buf, glui32 len) { + if (!_readable) + return 0; + + ensureOp(filemode_Read); + if (!_unicode) { + glui32 lx; + for (lx = 0; lx<len; lx++) { + int res; + glui32 ch; + res = _inFile->readByte(); + if (res == -1) + break; + ch = (res & 0xFF); + _readCount++; + buf[lx] = ch; + } + return lx; + } else if (_textFile) { + glui32 lx; + for (lx = 0; lx<len; lx++) { + glui32 ch; + ch = getCharUtf8(); + if (ch == -1) + break; + _readCount++; + buf[lx] = ch; + } + return lx; + } else { + glui32 lx; + for (lx = 0; lx<len; lx++) + { + int res; + glui32 ch; + res = _inFile->readByte(); + if (res == -1) + break; + ch = (res & 0xFF); + res = _inFile->readByte(); + if (res == -1) + break; + ch = (ch << 8) | (res & 0xFF); + res = _inFile->readByte(); + if (res == -1) + break; + ch = (ch << 8) | (res & 0xFF); + res = _inFile->readByte(); + if (res == -1) + break; + ch = (ch << 8) | (res & 0xFF); + _readCount++; + buf[lx] = ch; + } + return lx; + } +} + /*--------------------------------------------------------------------------*/ Streams::Streams() : _streamList(nullptr), _currentStream(nullptr) { |