X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7f555861b7e50f335c7b929bb76be38e9ebd69c5..e29b83a455bead3dae44300f631d07aa9635d3e9:/src/common/zstream.cpp?ds=inline diff --git a/src/common/zstream.cpp b/src/common/zstream.cpp index d2b33bc0e0..773776fe4c 100644 --- a/src/common/zstream.cpp +++ b/src/common/zstream.cpp @@ -14,10 +14,14 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#include -#include -#include -#include + +#include "wx/zstream.h" + +#ifdef wxUSE_ZLIB + +#include "wx/utils.h" +#include "wx/intl.h" +#include "wx/log.h" #include "../zlib/zlib.h" // don't change this, Robert #ifdef __BORLANDC__ @@ -36,61 +40,57 @@ wxZlibInputStream::wxZlibInputStream(wxInputStream& stream) int err; // I need a private stream buffer. - m_i_streambuf = new wxStreamBuffer(*this); + m_i_streambuf = new wxStreamBuffer(*this, wxStreamBuffer::read); m_i_destroybuf = TRUE; + m_inflate = new z_stream_s; - m_inflate.zalloc = (alloc_func)0; - m_inflate.zfree = (free_func)0; - m_inflate.opaque = (void*)0; + m_inflate->zalloc = (alloc_func)0; + m_inflate->zfree = (free_func)0; + m_inflate->opaque = (voidpf)0; - err = inflateInit(&m_inflate); + err = inflateInit(m_inflate); if (err != Z_OK) { - inflateEnd(&m_inflate); + inflateEnd(m_inflate); + delete m_inflate; return; } m_z_buffer = new unsigned char[ZSTREAM_BUFFER_SIZE]; m_z_size = ZSTREAM_BUFFER_SIZE; - m_inflate.avail_in = 0; - m_inflate.next_in = NULL; + m_inflate->avail_in = 0; + m_inflate->next_in = NULL; } wxZlibInputStream::~wxZlibInputStream() { - inflateEnd(&m_inflate); + inflateEnd(m_inflate); + delete m_inflate; } -size_t wxZlibInputStream::DoRead(void *buffer, size_t size) +size_t wxZlibInputStream::OnSysRead(void *buffer, size_t size) { int err; - m_inflate.next_out = (unsigned char *)buffer; - m_inflate.avail_out = size; + m_inflate->next_out = (unsigned char *)buffer; + m_inflate->avail_out = size; - while (m_inflate.avail_out > 0) { - if (m_inflate.avail_in == 0) { + while (m_inflate->avail_out > 0) { + if (m_inflate->avail_in == 0) { m_parent_i_stream->Read(m_z_buffer, m_z_size); - m_inflate.next_in = m_z_buffer; - m_inflate.avail_in = m_parent_i_stream->LastRead(); + m_inflate->next_in = m_z_buffer; + m_inflate->avail_in = m_parent_i_stream->LastRead(); - if (m_parent_i_stream->Eof()) - return (size - m_inflate.avail_in); + if (m_parent_i_stream->LastError() != wxStream_NOERROR) + return (size - m_inflate->avail_in); } - err = inflate(&m_inflate, Z_FINISH); + err = inflate(m_inflate, Z_FINISH); if (err == Z_STREAM_END) - return (size - m_inflate.avail_in); + return (size - m_inflate->avail_in); } - return size-m_inflate.avail_in; -} - -bool wxZlibInputStream::Eof() const -{ - if (!m_eof) - return m_parent_i_stream->Eof(); - return m_eof; + return size-m_inflate->avail_in; } ////////////////////// @@ -102,25 +102,26 @@ wxZlibOutputStream::wxZlibOutputStream(wxOutputStream& stream) { int err; - m_o_streambuf = new wxStreamBuffer(*this); + m_o_streambuf = new wxStreamBuffer(*this, wxStreamBuffer::write); m_o_destroybuf = TRUE; + m_deflate = new z_stream_s; - m_deflate.zalloc = (alloc_func)0; - m_deflate.zfree = (free_func)0; - m_deflate.opaque = (void*)0; + m_deflate->zalloc = (alloc_func)0; + m_deflate->zfree = (free_func)0; + m_deflate->opaque = (voidpf)0; - err = deflateInit(&m_deflate, Z_DEFAULT_COMPRESSION); + err = deflateInit(m_deflate, Z_DEFAULT_COMPRESSION); if (err != Z_OK) { - deflateEnd(&m_deflate); + deflateEnd(m_deflate); return; } m_z_buffer = new unsigned char[ZSTREAM_BUFFER_SIZE]; m_z_size = ZSTREAM_BUFFER_SIZE; - m_deflate.avail_in = 0; - m_deflate.next_out = m_z_buffer; - m_deflate.avail_out = m_z_size; + m_deflate->avail_in = 0; + m_deflate->next_out = m_z_buffer; + m_deflate->avail_out = m_z_size; } wxZlibOutputStream::~wxZlibOutputStream() @@ -129,14 +130,14 @@ wxZlibOutputStream::~wxZlibOutputStream() Sync(); - err = deflate(&m_deflate, Z_FINISH); - if (err != Z_STREAM_END) { - wxDebugMsg(_("wxZlibOutputStream: an error occured while we was closing " - "the stream.\n")); + err = deflate(m_deflate, Z_FINISH); + if (err != Z_STREAM_END) + { + wxLogDebug( "wxZlibOutputStream: an error occured while closing the stream.\n" ); return; } - deflateEnd(&m_deflate); + deflateEnd(m_deflate); delete[] m_z_buffer; } @@ -145,49 +146,46 @@ void wxZlibOutputStream::Sync() { int err; - m_parent_o_stream->Write(m_z_buffer, m_z_size-m_deflate.avail_out); - m_deflate.next_out = m_z_buffer; - m_deflate.avail_out = m_z_size; + m_parent_o_stream->Write(m_z_buffer, m_z_size-m_deflate->avail_out); + m_deflate->next_out = m_z_buffer; + m_deflate->avail_out = m_z_size; - err = deflate(&m_deflate, Z_FULL_FLUSH); + err = deflate(m_deflate, Z_FULL_FLUSH); if (err != Z_OK) { - m_bad = TRUE; return; } - m_parent_o_stream->Write(m_z_buffer, m_z_size-m_deflate.avail_out); - m_deflate.next_out = m_z_buffer; - m_deflate.avail_out = m_z_size; + m_parent_o_stream->Write(m_z_buffer, m_z_size-m_deflate->avail_out); + m_deflate->next_out = m_z_buffer; + m_deflate->avail_out = m_z_size; } -size_t wxZlibOutputStream::DoWrite(const void *buffer, size_t size) +size_t wxZlibOutputStream::OnSysWrite(const void *buffer, size_t size) { int err; - m_deflate.next_in = (unsigned char *)buffer; - m_deflate.avail_in = size; + m_deflate->next_in = (unsigned char *)buffer; + m_deflate->avail_in = size; - while (m_deflate.avail_in > 0) { + while (m_deflate->avail_in > 0) { - if (m_deflate.avail_out == 0) { + if (m_deflate->avail_out == 0) { m_parent_o_stream->Write(m_z_buffer, m_z_size); - if (m_parent_o_stream->Bad()) - return (size - m_deflate.avail_in); + if (m_parent_o_stream->LastError() != wxStream_NOERROR) + return (size - m_deflate->avail_in); - m_deflate.next_out = m_z_buffer; - m_deflate.avail_out = m_z_size; + m_deflate->next_out = m_z_buffer; + m_deflate->avail_out = m_z_size; } - err = deflate(&m_deflate, Z_NO_FLUSH); + err = deflate(m_deflate, Z_NO_FLUSH); if (err != Z_OK) - return (size - m_deflate.avail_in); + return (size - m_deflate->avail_in); } return size; } -bool wxZlibOutputStream::Bad() const -{ - if (!m_bad) - return m_parent_o_stream->Bad(); - return m_bad; -} +#endif + + // wxUSE_ZLIB +