AESDecContext* Ctx, HMACContext* HMAC)
{
if ( ! m_File.IsOpen() )
- return RESULT_INIT;
+ {
+ return RESULT_INIT;
+ }
assert(m_Dict);
Result_t result = ReadEKLVFrame(0, FrameBuf, m_Dict->ul(MDD_TimedTextEssence), Ctx, HMAC);
TimedTextDescriptor m_TDesc;
byte_t m_EssenceUL[SMPTE_UL_LENGTH];
ui32_t m_EssenceStreamID;
+ ASDCP::Rational m_EditRate;
h__Writer(const Dictionary& d) : AS_02::h__AS02WriterClip(d), m_EssenceStreamID(10)
{
// 72 == sizeof K, L, instanceuid, uuid + sizeof int32 + tag/len * 4
m_HeaderSize += ( resourceSubdescriptor->MIMEMediaType.ArchiveLength() * 2 /*ArchiveLength is broken*/ ) + 72;
}
- }
-
- if ( KM_SUCCESS(result) )
- {
- result = WriteAS02Header(TIMED_TEXT_PACKAGE_LABEL, UL(m_Dict->ul(MDD_TimedTextWrappingClip)),
- "Data Track", UL(m_EssenceUL), UL(m_Dict->ul(MDD_TimedTextEssence)),
- TDesc.EditRate, derive_timecode_rate_from_edit_rate(TDesc.EditRate));
- }
-
- if ( KM_SUCCESS(result) )
- {
- this->m_IndexWriter.SetPrimerLookup(&this->m_HeaderPart.m_Primer);
- }
+ }
+
+ //Reset m_EssenceStreamID to 10 for later usage in WriteAncillaryResource
+ m_EssenceStreamID = 10;
+ assert(m_Dict);
if ( KM_SUCCESS(result) )
{
result = m_State.Goto_READY();
}
+ if ( KM_SUCCESS(result) )
+ {
+ m_EditRate = TDesc.EditRate;
+ result = WriteAS02Header(TIMED_TEXT_PACKAGE_LABEL, UL(m_Dict->ul(MDD_TimedTextWrappingClip)),
+ "Data Track", UL(m_EssenceUL), UL(m_Dict->ul(MDD_DataDataDef)),
+ TDesc.EditRate, derive_timecode_rate_from_edit_rate(TDesc.EditRate));
+ }
+
return result;
}
AS_02::TimedText::MXFWriter::h__Writer::WriteTimedTextResource(const std::string& XMLDoc,
ASDCP::AESEncContext* Ctx, ASDCP::HMACContext* HMAC)
{
+ ASDCP::FrameBuffer segment_buffer;
+ IndexTableSegment::IndexEntry index_entry;
Result_t result = m_State.Goto_RUNNING();
if ( KM_SUCCESS(result) )
memcpy(FrameBuf.Data(), XMLDoc.c_str(), str_size);
FrameBuf.Size(str_size);
-
- IndexTableSegment::IndexEntry Entry;
- Entry.StreamOffset = m_StreamOffset;
+ index_entry.StreamOffset = m_StreamOffset;
+ result = Write_EKLV_Packet(m_File, *m_Dict, m_HeaderPart, m_Info, m_CtFrameBuf, m_FramesWritten,
+ m_StreamOffset, FrameBuf, m_EssenceUL, Ctx, HMAC);
+ }
+
+ if ( KM_SUCCESS(result) )
+ {
+ // encode the index table
+ IndexTableSegment::DeltaEntry nil_delta_entry;
+ IndexTableSegment segment(m_Dict);
+ segment.m_Lookup = &m_HeaderPart.m_Primer;
+ GenRandomValue(segment.InstanceUID);
+
+ segment.DeltaEntryArray.push_back(nil_delta_entry);
+ segment.IndexEditRate = m_EditRate;
+ segment.IndexStartPosition = 0;
+ segment.IndexDuration = -1;
+ segment.IndexEntryArray.push_back(index_entry);
+
+ result = segment_buffer.Capacity(MaxIndexSegmentSize); // segment-count * max-segment-size
+
if ( KM_SUCCESS(result) )
{
- ui64_t this_stream_offset = m_StreamOffset; // m_StreamOffset will be changed by the call to Write_EKLV_Packet
-
- result = Write_EKLV_Packet(m_File, *m_Dict, m_HeaderPart, m_Info, m_CtFrameBuf, m_FramesWritten,
- m_StreamOffset, FrameBuf, m_EssenceUL, Ctx, HMAC);
+ result = segment.WriteToBuffer(segment_buffer);
}
}
+ if ( KM_SUCCESS(result) )
+ {
+ // create an index partition header
+ Kumu::fpos_t here = m_File.Tell();
+ assert(m_Dict);
+
+ ASDCP::MXF::Partition partition(m_Dict);
+ partition.ThisPartition = here;
+ partition.BodySID = 0;
+ partition.IndexSID = 129;
+ partition.IndexByteCount = segment_buffer.Size();
+ partition.PreviousPartition = m_RIP.PairArray.back().ByteOffset;
+ partition.OperationalPattern = m_HeaderPart.OperationalPattern;
+
+ m_RIP.PairArray.push_back(RIP::PartitionPair(0, here));
+ partition.EssenceContainers = m_HeaderPart.EssenceContainers;
+ UL TmpUL(m_Dict->ul(MDD_ClosedCompleteBodyPartition));
+ result = partition.WriteToFile(m_File, TmpUL);
+ }
+
+ if ( KM_SUCCESS(result) )
+ {
+ // write the encoded index table
+ ui32_t write_count = 0;
+ result = m_File.Write(segment_buffer.RoData(), segment_buffer.Size(), &write_count);
+ assert(write_count == segment_buffer.Size());
+ }
+
+ if ( KM_SUCCESS(result) )
+ {
+ m_FramesWritten++;
+ }
+
return result;
}
GSPart.OperationalPattern = m_HeaderPart.OperationalPattern;
m_RIP.PairArray.push_back(RIP::PartitionPair(m_EssenceStreamID++, here));
- GSPart.EssenceContainers.push_back(UL(m_Dict->ul(MDD_TimedTextEssence)));
+ GSPart.EssenceContainers = m_HeaderPart.EssenceContainers;
UL TmpUL(m_Dict->ul(MDD_GenericStreamPartition));
Result_t result = GSPart.WriteToFile(m_File, TmpUL);
if ( KM_SUCCESS(result) )
{
- ui64_t this_stream_offset = m_StreamOffset; // m_StreamOffset will be changed by the call to Write_EKLV_Packet
-
result = Write_EKLV_Packet(m_File, *m_Dict, m_HeaderPart, m_Info, m_CtFrameBuf, m_FramesWritten,
m_StreamOffset, FrameBuf, GenericStream_DataElement.Value(), Ctx, HMAC);
}
return RESULT_STATE;
}
- m_IndexWriter.m_Duration = m_FramesWritten = m_TDesc.ContainerDuration;
+ m_FramesWritten = m_TDesc.ContainerDuration;
Result_t result = m_State.Goto_FINAL();
--- /dev/null
+#ifdef KM_WIN32
+/*
+ * Dirent interface for Microsoft Visual Studio
+ * Version 1.21
+ *
+ * Copyright (C) 2006-2012 Toni Ronkko
+ * This file is part of dirent. Dirent may be freely distributed
+ * under the MIT license. For all details and documentation, see
+ * https://github.com/tronkko/dirent
+ */
+#ifndef DIRENT_H
+#define DIRENT_H
+
+/*
+ * Include windows.h without Windows Sockets 1.1 to prevent conflicts with
+ * Windows Sockets 2.0.
+ */
+#ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <wchar.h>
+#include <string.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+/* Indicates that d_type field is available in dirent structure */
+#define _DIRENT_HAVE_D_TYPE
+
+/* Indicates that d_namlen field is available in dirent structure */
+#define _DIRENT_HAVE_D_NAMLEN
+
+/* Entries missing from MSVC 6.0 */
+#if !defined(FILE_ATTRIBUTE_DEVICE)
+# define FILE_ATTRIBUTE_DEVICE 0x40
+#endif
+
+/* File type and permission flags for stat(), general mask */
+#if !defined(S_IFMT)
+# define S_IFMT _S_IFMT
+#endif
+
+/* Directory bit */
+#if !defined(S_IFDIR)
+# define S_IFDIR _S_IFDIR
+#endif
+
+/* Character device bit */
+#if !defined(S_IFCHR)
+# define S_IFCHR _S_IFCHR
+#endif
+
+/* Pipe bit */
+#if !defined(S_IFFIFO)
+# define S_IFFIFO _S_IFFIFO
+#endif
+
+/* Regular file bit */
+#if !defined(S_IFREG)
+# define S_IFREG _S_IFREG
+#endif
+
+/* Read permission */
+#if !defined(S_IREAD)
+# define S_IREAD _S_IREAD
+#endif
+
+/* Write permission */
+#if !defined(S_IWRITE)
+# define S_IWRITE _S_IWRITE
+#endif
+
+/* Execute permission */
+#if !defined(S_IEXEC)
+# define S_IEXEC _S_IEXEC
+#endif
+
+/* Pipe */
+#if !defined(S_IFIFO)
+# define S_IFIFO _S_IFIFO
+#endif
+
+/* Block device */
+#if !defined(S_IFBLK)
+# define S_IFBLK 0
+#endif
+
+/* Link */
+#if !defined(S_IFLNK)
+# define S_IFLNK 0
+#endif
+
+/* Socket */
+#if !defined(S_IFSOCK)
+# define S_IFSOCK 0
+#endif
+
+/* Read user permission */
+#if !defined(S_IRUSR)
+# define S_IRUSR S_IREAD
+#endif
+
+/* Write user permission */
+#if !defined(S_IWUSR)
+# define S_IWUSR S_IWRITE
+#endif
+
+/* Execute user permission */
+#if !defined(S_IXUSR)
+# define S_IXUSR 0
+#endif
+
+/* Read group permission */
+#if !defined(S_IRGRP)
+# define S_IRGRP 0
+#endif
+
+/* Write group permission */
+#if !defined(S_IWGRP)
+# define S_IWGRP 0
+#endif
+
+/* Execute group permission */
+#if !defined(S_IXGRP)
+# define S_IXGRP 0
+#endif
+
+/* Read others permission */
+#if !defined(S_IROTH)
+# define S_IROTH 0
+#endif
+
+/* Write others permission */
+#if !defined(S_IWOTH)
+# define S_IWOTH 0
+#endif
+
+/* Execute others permission */
+#if !defined(S_IXOTH)
+# define S_IXOTH 0
+#endif
+
+/* Maximum length of file name */
+#if !defined(PATH_MAX)
+# define PATH_MAX MAX_PATH
+#endif
+#if !defined(FILENAME_MAX)
+# define FILENAME_MAX MAX_PATH
+#endif
+#if !defined(NAME_MAX)
+# define NAME_MAX FILENAME_MAX
+#endif
+
+/* File type flags for d_type */
+#define DT_UNKNOWN 0
+#define DT_REG S_IFREG
+#define DT_DIR S_IFDIR
+#define DT_FIFO S_IFIFO
+#define DT_SOCK S_IFSOCK
+#define DT_CHR S_IFCHR
+#define DT_BLK S_IFBLK
+#define DT_LNK S_IFLNK
+
+/* Macros for converting between st_mode and d_type */
+#define IFTODT(mode) ((mode) & S_IFMT)
+#define DTTOIF(type) (type)
+
+/*
+ * File type macros. Note that block devices, sockets and links cannot be
+ * distinguished on Windows and the macros S_ISBLK, S_ISSOCK and S_ISLNK are
+ * only defined for compatibility. These macros should always return false
+ * on Windows.
+ */
+#if !defined(S_ISFIFO)
+# define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
+#endif
+#if !defined(S_ISDIR)
+# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
+#endif
+#if !defined(S_ISREG)
+# define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
+#endif
+#if !defined(S_ISLNK)
+# define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
+#endif
+#if !defined(S_ISSOCK)
+# define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
+#endif
+#if !defined(S_ISCHR)
+# define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR)
+#endif
+#if !defined(S_ISBLK)
+# define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK)
+#endif
+
+/* Return the exact length of d_namlen without zero terminator */
+#define _D_EXACT_NAMLEN(p) ((p)->d_namlen)
+
+/* Return number of bytes needed to store d_namlen */
+#define _D_ALLOC_NAMLEN(p) (PATH_MAX)
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Wide-character version */
+struct _wdirent {
+ /* Always zero */
+ long d_ino;
+
+ /* Structure size */
+ unsigned short d_reclen;
+
+ /* Length of name without \0 */
+ size_t d_namlen;
+
+ /* File type */
+ int d_type;
+
+ /* File name */
+ wchar_t d_name[PATH_MAX];
+};
+typedef struct _wdirent _wdirent;
+
+struct _WDIR {
+ /* Current directory entry */
+ struct _wdirent ent;
+
+ /* Private file data */
+ WIN32_FIND_DATAW data;
+
+ /* True if data is valid */
+ int cached;
+
+ /* Win32 search handle */
+ HANDLE handle;
+
+ /* Initial directory name */
+ wchar_t *patt;
+};
+typedef struct _WDIR _WDIR;
+
+static _WDIR *_wopendir (const wchar_t *dirname);
+static struct _wdirent *_wreaddir (_WDIR *dirp);
+static int _wclosedir (_WDIR *dirp);
+static void _wrewinddir (_WDIR* dirp);
+
+
+/* For compatibility with Symbian */
+#define wdirent _wdirent
+#define WDIR _WDIR
+#define wopendir _wopendir
+#define wreaddir _wreaddir
+#define wclosedir _wclosedir
+#define wrewinddir _wrewinddir
+
+
+/* Multi-byte character versions */
+struct dirent {
+ /* Always zero */
+ long d_ino;
+
+ /* Structure size */
+ unsigned short d_reclen;
+
+ /* Length of name without \0 */
+ size_t d_namlen;
+
+ /* File type */
+ int d_type;
+
+ /* File name */
+ char d_name[PATH_MAX];
+};
+typedef struct dirent dirent;
+
+struct DIR {
+ struct dirent ent;
+ struct _WDIR *wdirp;
+};
+typedef struct DIR DIR;
+
+static DIR *opendir (const char *dirname);
+static struct dirent *readdir (DIR *dirp);
+static int closedir (DIR *dirp);
+static void rewinddir (DIR* dirp);
+
+
+/* Internal utility functions */
+static WIN32_FIND_DATAW *dirent_first (_WDIR *dirp);
+static WIN32_FIND_DATAW *dirent_next (_WDIR *dirp);
+
+static int dirent_mbstowcs_s(
+ size_t *pReturnValue,
+ wchar_t *wcstr,
+ size_t sizeInWords,
+ const char *mbstr,
+ size_t count);
+
+static int dirent_wcstombs_s(
+ size_t *pReturnValue,
+ char *mbstr,
+ size_t sizeInBytes,
+ const wchar_t *wcstr,
+ size_t count);
+
+static void dirent_set_errno (int error);
+
+/*
+ * Open directory stream DIRNAME for read and return a pointer to the
+ * internal working area that is used to retrieve individual directory
+ * entries.
+ */
+static _WDIR*
+_wopendir(
+ const wchar_t *dirname)
+{
+ _WDIR *dirp = NULL;
+ int error;
+
+ /* Must have directory name */
+ if (dirname == NULL || dirname[0] == '\0') {
+ dirent_set_errno (ENOENT);
+ return NULL;
+ }
+
+ /* Allocate new _WDIR structure */
+ dirp = (_WDIR*) malloc (sizeof (struct _WDIR));
+ if (dirp != NULL) {
+ DWORD n;
+
+ /* Reset _WDIR structure */
+ dirp->handle = INVALID_HANDLE_VALUE;
+ dirp->patt = NULL;
+ dirp->cached = 0;
+
+ /* Compute the length of full path plus zero terminator
+ *
+ * Note that on WinRT there's no way to convert relative paths
+ * into absolute paths, so just assume its an absolute path.
+ */
+# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
+ n = wcslen(dirname);
+# else
+ n = GetFullPathNameW (dirname, 0, NULL, NULL);
+# endif
+
+ /* Allocate room for absolute directory name and search pattern */
+ dirp->patt = (wchar_t*) malloc (sizeof (wchar_t) * n + 16);
+ if (dirp->patt) {
+
+ /*
+ * Convert relative directory name to an absolute one. This
+ * allows rewinddir() to function correctly even when current
+ * working directory is changed between opendir() and rewinddir().
+ *
+ * Note that on WinRT there's no way to convert relative paths
+ * into absolute paths, so just assume its an absolute path.
+ */
+# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
+ wcsncpy_s(dirp->patt, n+1, dirname, n);
+# else
+ n = GetFullPathNameW (dirname, n, dirp->patt, NULL);
+# endif
+ if (n > 0) {
+ wchar_t *p;
+
+ /* Append search pattern \* to the directory name */
+ p = dirp->patt + n;
+ if (dirp->patt < p) {
+ switch (p[-1]) {
+ case '\\':
+ case '/':
+ case ':':
+ /* Directory ends in path separator, e.g. c:\temp\ */
+ /*NOP*/;
+ break;
+
+ default:
+ /* Directory name doesn't end in path separator */
+ *p++ = '\\';
+ }
+ }
+ *p++ = '*';
+ *p = '\0';
+
+ /* Open directory stream and retrieve the first entry */
+ if (dirent_first (dirp)) {
+ /* Directory stream opened successfully */
+ error = 0;
+ } else {
+ /* Cannot retrieve first entry */
+ error = 1;
+ dirent_set_errno (ENOENT);
+ }
+
+ } else {
+ /* Cannot retrieve full path name */
+ dirent_set_errno (ENOENT);
+ error = 1;
+ }
+
+ } else {
+ /* Cannot allocate memory for search pattern */
+ error = 1;
+ }
+
+ } else {
+ /* Cannot allocate _WDIR structure */
+ error = 1;
+ }
+
+ /* Clean up in case of error */
+ if (error && dirp) {
+ _wclosedir (dirp);
+ dirp = NULL;
+ }
+
+ return dirp;
+}
+
+/*
+ * Read next directory entry. The directory entry is returned in dirent
+ * structure in the d_name field. Individual directory entries returned by
+ * this function include regular files, sub-directories, pseudo-directories
+ * "." and ".." as well as volume labels, hidden files and system files.
+ */
+static struct _wdirent*
+_wreaddir(
+ _WDIR *dirp)
+{
+ WIN32_FIND_DATAW *datap;
+ struct _wdirent *entp;
+
+ /* Read next directory entry */
+ datap = dirent_next (dirp);
+ if (datap) {
+ size_t n;
+ DWORD attr;
+
+ /* Pointer to directory entry to return */
+ entp = &dirp->ent;
+
+ /*
+ * Copy file name as wide-character string. If the file name is too
+ * long to fit in to the destination buffer, then truncate file name
+ * to PATH_MAX characters and zero-terminate the buffer.
+ */
+ n = 0;
+ while (n + 1 < PATH_MAX && datap->cFileName[n] != 0) {
+ entp->d_name[n] = datap->cFileName[n];
+ n++;
+ }
+ dirp->ent.d_name[n] = 0;
+
+ /* Length of file name excluding zero terminator */
+ entp->d_namlen = n;
+
+ /* File type */
+ attr = datap->dwFileAttributes;
+ if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
+ entp->d_type = DT_CHR;
+ } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
+ entp->d_type = DT_DIR;
+ } else {
+ entp->d_type = DT_REG;
+ }
+
+ /* Reset dummy fields */
+ entp->d_ino = 0;
+ entp->d_reclen = sizeof (struct _wdirent);
+
+ } else {
+
+ /* Last directory entry read */
+ entp = NULL;
+
+ }
+
+ return entp;
+}
+
+/*
+ * Close directory stream opened by opendir() function. This invalidates the
+ * DIR structure as well as any directory entry read previously by
+ * _wreaddir().
+ */
+static int
+_wclosedir(
+ _WDIR *dirp)
+{
+ int ok;
+ if (dirp) {
+
+ /* Release search handle */
+ if (dirp->handle != INVALID_HANDLE_VALUE) {
+ FindClose (dirp->handle);
+ dirp->handle = INVALID_HANDLE_VALUE;
+ }
+
+ /* Release search pattern */
+ if (dirp->patt) {
+ free (dirp->patt);
+ dirp->patt = NULL;
+ }
+
+ /* Release directory structure */
+ free (dirp);
+ ok = /*success*/0;
+
+ } else {
+ /* Invalid directory stream */
+ dirent_set_errno (EBADF);
+ ok = /*failure*/-1;
+ }
+ return ok;
+}
+
+/*
+ * Rewind directory stream such that _wreaddir() returns the very first
+ * file name again.
+ */
+static void
+_wrewinddir(
+ _WDIR* dirp)
+{
+ if (dirp) {
+ /* Release existing search handle */
+ if (dirp->handle != INVALID_HANDLE_VALUE) {
+ FindClose (dirp->handle);
+ }
+
+ /* Open new search handle */
+ dirent_first (dirp);
+ }
+}
+
+/* Get first directory entry (internal) */
+static WIN32_FIND_DATAW*
+dirent_first(
+ _WDIR *dirp)
+{
+ WIN32_FIND_DATAW *datap;
+
+ /* Open directory and retrieve the first entry */
+ dirp->handle = FindFirstFileExW(
+ dirp->patt, FindExInfoStandard, &dirp->data,
+ FindExSearchNameMatch, NULL, 0);
+ if (dirp->handle != INVALID_HANDLE_VALUE) {
+
+ /* a directory entry is now waiting in memory */
+ datap = &dirp->data;
+ dirp->cached = 1;
+
+ } else {
+
+ /* Failed to re-open directory: no directory entry in memory */
+ dirp->cached = 0;
+ datap = NULL;
+
+ }
+ return datap;
+}
+
+/* Get next directory entry (internal) */
+static WIN32_FIND_DATAW*
+dirent_next(
+ _WDIR *dirp)
+{
+ WIN32_FIND_DATAW *p;
+
+ /* Get next directory entry */
+ if (dirp->cached != 0) {
+
+ /* A valid directory entry already in memory */
+ p = &dirp->data;
+ dirp->cached = 0;
+
+ } else if (dirp->handle != INVALID_HANDLE_VALUE) {
+
+ /* Get the next directory entry from stream */
+ if (FindNextFileW (dirp->handle, &dirp->data) != FALSE) {
+ /* Got a file */
+ p = &dirp->data;
+ } else {
+ /* The very last entry has been processed or an error occured */
+ FindClose (dirp->handle);
+ dirp->handle = INVALID_HANDLE_VALUE;
+ p = NULL;
+ }
+
+ } else {
+
+ /* End of directory stream reached */
+ p = NULL;
+
+ }
+
+ return p;
+}
+
+/*
+ * Open directory stream using plain old C-string.
+ */
+static DIR*
+opendir(
+ const char *dirname)
+{
+ struct DIR *dirp;
+ int error;
+
+ /* Must have directory name */
+ if (dirname == NULL || dirname[0] == '\0') {
+ dirent_set_errno (ENOENT);
+ return NULL;
+ }
+
+ /* Allocate memory for DIR structure */
+ dirp = (DIR*) malloc (sizeof (struct DIR));
+ if (dirp) {
+ wchar_t wname[PATH_MAX];
+ size_t n;
+
+ /* Convert directory name to wide-character string */
+ error = dirent_mbstowcs_s (&n, wname, PATH_MAX, dirname, PATH_MAX);
+ if (!error) {
+
+ /* Open directory stream using wide-character name */
+ dirp->wdirp = _wopendir (wname);
+ if (dirp->wdirp) {
+ /* Directory stream opened */
+ error = 0;
+ } else {
+ /* Failed to open directory stream */
+ error = 1;
+ }
+
+ } else {
+ /*
+ * Cannot convert file name to wide-character string. This
+ * occurs if the string contains invalid multi-byte sequences or
+ * the output buffer is too small to contain the resulting
+ * string.
+ */
+ error = 1;
+ }
+
+ } else {
+ /* Cannot allocate DIR structure */
+ error = 1;
+ }
+
+ /* Clean up in case of error */
+ if (error && dirp) {
+ free (dirp);
+ dirp = NULL;
+ }
+
+ return dirp;
+}
+
+/*
+ * Read next directory entry.
+ *
+ * When working with text consoles, please note that file names returned by
+ * readdir() are represented in the default ANSI code page while any output to
+ * console is typically formatted on another code page. Thus, non-ASCII
+ * characters in file names will not usually display correctly on console. The
+ * problem can be fixed in two ways: (1) change the character set of console
+ * to 1252 using chcp utility and use Lucida Console font, or (2) use
+ * _cprintf function when writing to console. The _cprinf() will re-encode
+ * ANSI strings to the console code page so many non-ASCII characters will
+ * display correcly.
+ */
+static struct dirent*
+readdir(
+ DIR *dirp)
+{
+ WIN32_FIND_DATAW *datap;
+ struct dirent *entp;
+
+ /* Read next directory entry */
+ datap = dirent_next (dirp->wdirp);
+ if (datap) {
+ size_t n;
+ int error;
+
+ /* Attempt to convert file name to multi-byte string */
+ error = dirent_wcstombs_s(
+ &n, dirp->ent.d_name, PATH_MAX, datap->cFileName, PATH_MAX);
+
+ /*
+ * If the file name cannot be represented by a multi-byte string,
+ * then attempt to use old 8+3 file name. This allows traditional
+ * Unix-code to access some file names despite of unicode
+ * characters, although file names may seem unfamiliar to the user.
+ *
+ * Be ware that the code below cannot come up with a short file
+ * name unless the file system provides one. At least
+ * VirtualBox shared folders fail to do this.
+ */
+ if (error && datap->cAlternateFileName[0] != '\0') {
+ error = dirent_wcstombs_s(
+ &n, dirp->ent.d_name, PATH_MAX,
+ datap->cAlternateFileName, PATH_MAX);
+ }
+
+ if (!error) {
+ DWORD attr;
+
+ /* Initialize directory entry for return */
+ entp = &dirp->ent;
+
+ /* Length of file name excluding zero terminator */
+ entp->d_namlen = n - 1;
+
+ /* File attributes */
+ attr = datap->dwFileAttributes;
+ if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
+ entp->d_type = DT_CHR;
+ } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
+ entp->d_type = DT_DIR;
+ } else {
+ entp->d_type = DT_REG;
+ }
+
+ /* Reset dummy fields */
+ entp->d_ino = 0;
+ entp->d_reclen = sizeof (struct dirent);
+
+ } else {
+ /*
+ * Cannot convert file name to multi-byte string so construct
+ * an errornous directory entry and return that. Note that
+ * we cannot return NULL as that would stop the processing
+ * of directory entries completely.
+ */
+ entp = &dirp->ent;
+ entp->d_name[0] = '?';
+ entp->d_name[1] = '\0';
+ entp->d_namlen = 1;
+ entp->d_type = DT_UNKNOWN;
+ entp->d_ino = 0;
+ entp->d_reclen = 0;
+ }
+
+ } else {
+ /* No more directory entries */
+ entp = NULL;
+ }
+
+ return entp;
+}
+
+/*
+ * Close directory stream.
+ */
+static int
+closedir(
+ DIR *dirp)
+{
+ int ok;
+ if (dirp) {
+
+ /* Close wide-character directory stream */
+ ok = _wclosedir (dirp->wdirp);
+ dirp->wdirp = NULL;
+
+ /* Release multi-byte character version */
+ free (dirp);
+
+ } else {
+
+ /* Invalid directory stream */
+ dirent_set_errno (EBADF);
+ ok = /*failure*/-1;
+
+ }
+ return ok;
+}
+
+/*
+ * Rewind directory stream to beginning.
+ */
+static void
+rewinddir(
+ DIR* dirp)
+{
+ /* Rewind wide-character string directory stream */
+ _wrewinddir (dirp->wdirp);
+}
+
+/* Convert multi-byte string to wide character string */
+static int
+dirent_mbstowcs_s(
+ size_t *pReturnValue,
+ wchar_t *wcstr,
+ size_t sizeInWords,
+ const char *mbstr,
+ size_t count)
+{
+ int error;
+
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+
+ /* Microsoft Visual Studio 2005 or later */
+ error = mbstowcs_s (pReturnValue, wcstr, sizeInWords, mbstr, count);
+
+#else
+
+ /* Older Visual Studio or non-Microsoft compiler */
+ size_t n;
+
+ /* Convert to wide-character string (or count characters) */
+ n = mbstowcs (wcstr, mbstr, sizeInWords);
+ if (!wcstr || n < count) {
+
+ /* Zero-terminate output buffer */
+ if (wcstr && sizeInWords) {
+ if (n >= sizeInWords) {
+ n = sizeInWords - 1;
+ }
+ wcstr[n] = 0;
+ }
+
+ /* Length of resuting multi-byte string WITH zero terminator */
+ if (pReturnValue) {
+ *pReturnValue = n + 1;
+ }
+
+ /* Success */
+ error = 0;
+
+ } else {
+
+ /* Could not convert string */
+ error = 1;
+
+ }
+
+#endif
+
+ return error;
+}
+
+/* Convert wide-character string to multi-byte string */
+static int
+dirent_wcstombs_s(
+ size_t *pReturnValue,
+ char *mbstr,
+ size_t sizeInBytes, /* max size of mbstr */
+ const wchar_t *wcstr,
+ size_t count)
+{
+ int error;
+
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+
+ /* Microsoft Visual Studio 2005 or later */
+ error = wcstombs_s (pReturnValue, mbstr, sizeInBytes, wcstr, count);
+
+#else
+
+ /* Older Visual Studio or non-Microsoft compiler */
+ size_t n;
+
+ /* Convert to multi-byte string (or count the number of bytes needed) */
+ n = wcstombs (mbstr, wcstr, sizeInBytes);
+ if (!mbstr || n < count) {
+
+ /* Zero-terminate output buffer */
+ if (mbstr && sizeInBytes) {
+ if (n >= sizeInBytes) {
+ n = sizeInBytes - 1;
+ }
+ mbstr[n] = '\0';
+ }
+
+ /* Length of resulting multi-bytes string WITH zero-terminator */
+ if (pReturnValue) {
+ *pReturnValue = n + 1;
+ }
+
+ /* Success */
+ error = 0;
+
+ } else {
+
+ /* Cannot convert string */
+ error = 1;
+
+ }
+
+#endif
+
+ return error;
+}
+
+/* Set errno variable */
+static void
+dirent_set_errno(
+ int error)
+{
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+
+ /* Microsoft Visual Studio 2005 and later */
+ _set_errno (error);
+
+#else
+
+ /* Non-Microsoft compiler or older Microsoft compiler */
+ errno = error;
+
+#endif
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*DIRENT_H*/
+
+#endif // KM_WIN32
projects / asdcplib.git / commitdiff