1 files changed, 363 insertions, 0 deletions

diff --git a/utils/rbutilqt/quazip/qioapi.cpp b/utils/rbutilqt/quazip/qioapi.cpp
new file mode 100644
index 0000000000..3932ebeef0
--- /dev/null
+++ b/utils/rbutilqt/quazip/qioapi.cpp
@@ -0,0 +1,363 @@
+/* ioapi.c -- IO base function header for compress/uncompress .zip
+   files using zlib + zip or unzip API
+
+   Version 1.01e, February 12th, 2005
+
+   Copyright (C) 1998-2005 Gilles Vollant
+
+   Modified by Sergey A. Tachenov to integrate with Qt.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <zlib.h>
+
+#include "ioapi.h"
+#include "quazip_global.h"
+#include <QtCore/QIODevice>
+#if (QT_VERSION >= 0x050100)
+#define QUAZIP_QSAVEFILE_BUG_WORKAROUND
+#endif
+#ifdef QUAZIP_QSAVEFILE_BUG_WORKAROUND
+#include <QtCore/QSaveFile>
+#endif
+
+/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
+
+#ifndef SEEK_CUR
+#define SEEK_CUR    1
+#endif
+
+#ifndef SEEK_END
+#define SEEK_END    2
+#endif
+
+#ifndef SEEK_SET
+#define SEEK_SET    0
+#endif
+
+voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,voidpf file,int mode)
+{
+    if (pfilefunc->zfile_func64.zopen64_file != NULL)
+        return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,file,mode);
+    else
+    {
+        return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,file,mode);
+    }
+}
+
+int call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)
+{
+    if (pfilefunc->zfile_func64.zseek64_file != NULL)
+        return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
+    else
+    {
+        uLong offsetTruncated = (uLong)offset;
+        if (offsetTruncated != offset)
+            return -1;
+        else
+            return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
+    }
+}
+
+ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)
+{
+    if (pfilefunc->zfile_func64.zseek64_file != NULL)
+        return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
+    else
+    {
+        uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
+        if ((tell_uLong) == ((uLong)-1))
+            return (ZPOS64_T)-1;
+        else
+            return tell_uLong;
+    }
+}
+
+/// @cond internal
+struct QIODevice_descriptor {
+    // Position only used for writing to sequential devices.
+    qint64 pos;
+    inline QIODevice_descriptor():
+        pos(0)
+    {}
+};
+/// @endcond
+
+voidpf ZCALLBACK qiodevice_open_file_func (
+   voidpf opaque,
+   voidpf file,
+   int mode)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(file);
+    QIODevice::OpenMode desiredMode;
+    if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
+        desiredMode = QIODevice::ReadOnly;
+    else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
+        desiredMode = QIODevice::ReadWrite;
+    else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
+        desiredMode = QIODevice::WriteOnly;
+    if (iodevice->isOpen()) {
+        if ((iodevice->openMode() & desiredMode) == desiredMode) {
+            if (desiredMode != QIODevice::WriteOnly
+                    && iodevice->isSequential()) {
+                // We can use sequential devices only for writing.
+                delete d;
+                return NULL;
+            } else {
+                if ((desiredMode & QIODevice::WriteOnly) != 0) {
+                    // open for writing, need to seek existing device
+                    if (!iodevice->isSequential()) {
+                        iodevice->seek(0);
+                    } else {
+                        d->pos = iodevice->pos();
+                    }
+                }
+            }
+            return iodevice;
+        } else {
+            delete d;
+            return NULL;
+        }
+    }
+    iodevice->open(desiredMode);
+    if (iodevice->isOpen()) {
+        if (desiredMode != QIODevice::WriteOnly && iodevice->isSequential()) {
+            // We can use sequential devices only for writing.
+            iodevice->close();
+            delete d;
+            return NULL;
+        } else {
+            return iodevice;
+        }
+    } else {
+        delete d;
+        return NULL;
+    }
+}
+
+
+uLong ZCALLBACK qiodevice_read_file_func (
+   voidpf opaque,
+   voidpf stream,
+   void* buf,
+   uLong size)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream);
+    qint64 ret64 = iodevice->read((char*)buf,size);
+    uLong ret;
+    ret = (uLong) ret64;
+    if (ret64 != -1) {
+        d->pos += ret64;
+    }
+    return ret;
+}
+
+
+uLong ZCALLBACK qiodevice_write_file_func (
+   voidpf opaque,
+   voidpf stream,
+   const void* buf,
+   uLong size)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream);
+    uLong ret;
+    qint64 ret64 = iodevice->write((char*)buf,size);
+    if (ret64 != -1) {
+        d->pos += ret64;
+    }
+    ret = (uLong) ret64;
+    return ret;
+}
+
+uLong ZCALLBACK qiodevice_tell_file_func (
+   voidpf opaque,
+   voidpf stream)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream);
+    uLong ret;
+    qint64 ret64;
+    if (iodevice->isSequential()) {
+        ret64 = d->pos;
+    } else {
+        ret64 = iodevice->pos();
+    }
+    ret = static_cast<uLong>(ret64);
+    return ret;
+}
+
+ZPOS64_T ZCALLBACK qiodevice64_tell_file_func (
+   voidpf opaque,
+   voidpf stream)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream);
+    qint64 ret;
+    if (iodevice->isSequential()) {
+        ret = d->pos;
+    } else {
+        ret = iodevice->pos();
+    }
+    return static_cast<ZPOS64_T>(ret);
+}
+
+int ZCALLBACK qiodevice_seek_file_func (
+   voidpf /*opaque UNUSED*/,
+   voidpf stream,
+   uLong offset,
+   int origin)
+{
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream);
+    if (iodevice->isSequential()) {
+        if (origin == ZLIB_FILEFUNC_SEEK_END
+                && offset == 0) {
+            // sequential devices are always at end (needed in mdAppend)
+            return 0;
+        } else {
+            qWarning("qiodevice_seek_file_func() called for sequential device");
+            return -1;
+        }
+    }
+    uLong qiodevice_seek_result=0;
+    int ret;
+    switch (origin)
+    {
+    case ZLIB_FILEFUNC_SEEK_CUR :
+        qiodevice_seek_result = ((QIODevice*)stream)->pos() + offset;
+        break;
+    case ZLIB_FILEFUNC_SEEK_END :
+        qiodevice_seek_result = ((QIODevice*)stream)->size() - offset;
+        break;
+    case ZLIB_FILEFUNC_SEEK_SET :
+        qiodevice_seek_result = offset;
+        break;
+    default:
+        return -1;
+    }
+    ret = !iodevice->seek(qiodevice_seek_result);
+    return ret;
+}
+
+int ZCALLBACK qiodevice64_seek_file_func (
+   voidpf /*opaque UNUSED*/,
+   voidpf stream,
+   ZPOS64_T offset,
+   int origin)
+{
+    QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream);
+    if (iodevice->isSequential()) {
+        if (origin == ZLIB_FILEFUNC_SEEK_END
+                && offset == 0) {
+            // sequential devices are always at end (needed in mdAppend)
+            return 0;
+        } else {
+            qWarning("qiodevice_seek_file_func() called for sequential device");
+            return -1;
+        }
+    }
+    qint64 qiodevice_seek_result=0;
+    int ret;
+    switch (origin)
+    {
+    case ZLIB_FILEFUNC_SEEK_CUR :
+        qiodevice_seek_result = ((QIODevice*)stream)->pos() + offset;
+        break;
+    case ZLIB_FILEFUNC_SEEK_END :
+        qiodevice_seek_result = ((QIODevice*)stream)->size() - offset;
+        break;
+    case ZLIB_FILEFUNC_SEEK_SET :
+        qiodevice_seek_result = offset;
+        break;
+    default:
+        return -1;
+    }
+    ret = !iodevice->seek(qiodevice_seek_result);
+    return ret;
+}
+
+int ZCALLBACK qiodevice_close_file_func (
+   voidpf opaque,
+   voidpf stream)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    delete d;
+    QIODevice *device = reinterpret_cast<QIODevice*>(stream);
+#ifdef QUAZIP_QSAVEFILE_BUG_WORKAROUND
+    // QSaveFile terribly breaks the is-a idiom:
+    // it IS a QIODevice, but it is NOT compatible with it: close() is private
+    QSaveFile *file = qobject_cast<QSaveFile*>(device);
+    if (file != NULL) {
+        // We have to call the ugly commit() instead:
+        return file->commit() ? 0 : -1;
+    }
+#endif
+    device->close();
+    return 0;
+}
+
+int ZCALLBACK qiodevice_fakeclose_file_func (
+   voidpf opaque,
+   voidpf /*stream*/)
+{
+    QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
+    delete d;
+    return 0;
+}
+
+int ZCALLBACK qiodevice_error_file_func (
+   voidpf /*opaque UNUSED*/,
+   voidpf /*stream UNUSED*/)
+{
+    // can't check for error due to the QIODevice API limitation
+    return 0;
+}
+
+void fill_qiodevice_filefunc (
+  zlib_filefunc_def* pzlib_filefunc_def)
+{
+    pzlib_filefunc_def->zopen_file = qiodevice_open_file_func;
+    pzlib_filefunc_def->zread_file = qiodevice_read_file_func;
+    pzlib_filefunc_def->zwrite_file = qiodevice_write_file_func;
+    pzlib_filefunc_def->ztell_file = qiodevice_tell_file_func;
+    pzlib_filefunc_def->zseek_file = qiodevice_seek_file_func;
+    pzlib_filefunc_def->zclose_file = qiodevice_close_file_func;
+    pzlib_filefunc_def->zerror_file = qiodevice_error_file_func;
+    pzlib_filefunc_def->opaque = new QIODevice_descriptor;
+}
+
+void fill_qiodevice64_filefunc (
+  zlib_filefunc64_def* pzlib_filefunc_def)
+{
+    // Open functions are the same for Qt.
+    pzlib_filefunc_def->zopen64_file = qiodevice_open_file_func;
+    pzlib_filefunc_def->zread_file = qiodevice_read_file_func;
+    pzlib_filefunc_def->zwrite_file = qiodevice_write_file_func;
+    pzlib_filefunc_def->ztell64_file = qiodevice64_tell_file_func;
+    pzlib_filefunc_def->zseek64_file = qiodevice64_seek_file_func;
+    pzlib_filefunc_def->zclose_file = qiodevice_close_file_func;
+    pzlib_filefunc_def->zerror_file = qiodevice_error_file_func;
+    pzlib_filefunc_def->opaque = new QIODevice_descriptor;
+    pzlib_filefunc_def->zfakeclose_file = qiodevice_fakeclose_file_func;
+}
+
+void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32)
+{
+    p_filefunc64_32->zfile_func64.zopen64_file = NULL;
+    p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
+    p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
+    p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
+    p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
+    p_filefunc64_32->zfile_func64.ztell64_file = NULL;
+    p_filefunc64_32->zfile_func64.zseek64_file = NULL;
+    p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
+    p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
+    p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
+    p_filefunc64_32->zfile_func64.zfakeclose_file = NULL;
+    p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
+    p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
+}