/*
-Copyright (c) 2004-2007, John Hurst
+Copyright (c) 2004-2016, John Hurst
All rights reserved.
Redistribution and use in source and binary forms, with or without
#ifdef KM_WIN32
# include <io.h>
+# include "dirent_win.h"
#else
# include <dirent.h>
# include <unistd.h>
class DirScanner
{
public:
-#ifdef KM_WIN32
- __int64 m_Handle;
- struct _finddatai64_t m_FileInfo;
-#else
DIR* m_Handle;
-#endif
- DirScanner() {};
+ DirScanner(void);
~DirScanner() { Close(); }
- Result_t Open(const char*);
+ Result_t Open(const std::string&);
Result_t Close();
Result_t GetNext(char*);
};
+
+ //
+ enum DirectoryEntryType_t {
+ DET_FILE,
+ DET_DIR,
+ DET_DEV,
+ DET_LINK
+ };
+
+ //
+ class DirScannerEx
+ {
+ std::string m_Dirname;
+ DIR* m_Handle;
+
+ KM_NO_COPY_CONSTRUCT(DirScannerEx);
+
+ public:
+
+ DirScannerEx();
+ ~DirScannerEx() { Close(); }
+
+ Result_t Open(const std::string& dirname);
+ Result_t Close();
+
+
+ inline Result_t GetNext(std::string& next_item_name) {
+ DirectoryEntryType_t ft;
+ return GetNext(next_item_name, ft);
+ }
+
+ Result_t GetNext(std::string& next_item_name, DirectoryEntryType_t& next_item_type);
+ };
+
#ifdef KM_WIN32
typedef __int64 fsize_t;
typedef __int64 fpos_t;
+ typedef HANDLE FileHandle;
enum SeekPos_t {
SP_BEGIN = FILE_BEGIN,
#else
typedef off_t fsize_t;
typedef off_t fpos_t;
- typedef int HANDLE;
- const HANDLE INVALID_HANDLE_VALUE = -1L;
+ typedef int FileHandle;
+ const FileHandle INVALID_HANDLE_VALUE = -1L;
enum SeekPos_t {
SP_BEGIN = SEEK_SET,
const ui32_t MaxFilePath = Kilobyte;
+
+ //------------------------------------------------------------------------------------------
// Path Manglers
- //
+ //------------------------------------------------------------------------------------------
+
+ // types
typedef std::list<std::string> PathCompList_t; // a list of path components
typedef std::list<std::string> PathList_t; // a list of paths
+ // tests
bool PathExists(const std::string& Path); // true if the path exists in the filesystem
bool PathIsFile(const std::string& Path); // true if the path exists in the filesystem and is a file
bool PathIsDirectory(const std::string& Path); // true if the path exists in the filesystem and is a directory
fsize_t FileSize(const std::string& Path); // returns the size of a regular file, 0 for a directory or device
+ std::string PathCwd();
bool PathsAreEquivalent(const std::string& lhs, const std::string& rhs); // true if paths point to the same filesystem entry
- // split and reassemble pats as lists of path components
+ // Returns free space and total space available for the given path
+ Result_t FreeSpaceForPath(const std::string& path, Kumu::fsize_t& free_space, Kumu::fsize_t& total_space);
+
+ // split and reassemble paths as lists of path components
PathCompList_t& PathToComponents(const std::string& Path, PathCompList_t& CList, char separator = '/'); // removes '//'
std::string ComponentsToPath(const PathCompList_t& CList, char separator = '/');
std::string ComponentsToAbsolutePath(const PathCompList_t& CList, char separator = '/'); // add separator to the front
std::string PathMakeAbsolute(const std::string& Path, char separator = '/'); // compute position of relative path using getcwd()
std::string PathMakeLocal(const std::string& Path, const std::string& Parent); // remove Parent from front of Path, if it exists
std::string PathMakeCanonical(const std::string& Path, char separator = '/'); // remove '.' and '..'
+ bool PathResolveLinks(const std::string& link_path, std::string& resolved_path, char separator = '/');
+ // common operations
std::string PathBasename(const std::string& Path, char separator = '/'); // returns right-most path element (list back())
std::string PathDirname(const std::string& Path, char separator = '/'); // returns everything but the right-most element
std::string PathGetExtension(const std::string& Path); // returns everything in the right-most element following the right-most '.'
std::string PathSetExtension(const std::string& Path, const std::string& Extension); // empty extension removes '.' as well
- //
+ std::string PathJoin(const std::string& Path1, const std::string& Path2, char separator = '/');
+ std::string PathJoin(const std::string& Path1, const std::string& Path2, const std::string& Path3, char separator = '/');
+ std::string PathJoin(const std::string& Path1, const std::string& Path2,
+ const std::string& Path3, const std::string& Path4, char separator = '/');
+
+
+ //------------------------------------------------------------------------------------------
+ // Path Search
+ //------------------------------------------------------------------------------------------
+
+ // An interface for a path matching function, used by FindInPath() and FindInPaths() below
//
class IPathMatch
{
virtual bool Match(const std::string& s) const = 0;
};
+ // matches any pathname
class PathMatchAny : public IPathMatch
{
public:
virtual ~PathMatchAny() {}
- inline bool Match(const std::string& s) const { return true; }
+ inline bool Match(const std::string&) const { return true; }
};
#ifndef KM_WIN32
+ // matches pathnames using a regular expression
class PathMatchRegex : public IPathMatch
{
regex_t m_regex;
bool Match(const std::string& s) const;
};
+ // matches pathnames using a Bourne shell glob expression
class PathMatchGlob : public IPathMatch
{
regex_t m_regex;
PathList_t& FindInPaths(const IPathMatch& Pattern, const PathList_t& SearchPaths,
PathList_t& FoundPaths, bool one_shot = false, char separator = '/');
+ std::string GetExecutablePath(const std::string& default_path);
+
+ //------------------------------------------------------------------------------------------
+ // Directory Manipulation
+ //------------------------------------------------------------------------------------------
+
+ // Create a directory, creates intermediate directories as necessary
+ Result_t CreateDirectoriesInPath(const std::string& Path);
+
+ // Delete a file (fails if the path points to a directory)
+ Result_t DeleteFile(const std::string& filename);
+
+ // Recursively remove a file or directory
+ Result_t DeletePath(const std::string& pathname);
+
+ // Remove the path only if it is a directory that is empty.
+ Result_t DeleteDirectoryIfEmpty(const std::string& path);
+
+ //------------------------------------------------------------------------------------------
+ // File I/O Wrappers
+ //------------------------------------------------------------------------------------------
// Instant IO for strings
//
// Reads an entire file into a string.
- Result_t ReadFileIntoString(const char* filename, std::string& outString, ui32_t max_size = 8 * Megabyte);
+ Result_t ReadFileIntoString(const std::string& filename, std::string& outString, ui32_t max_size = 8 * Megabyte);
// Writes a string to a file, overwrites the existing file if present.
- Result_t WriteStringIntoFile(const char* filename, const std::string& inString);
+ Result_t WriteStringIntoFile(const std::string& filename, const std::string& inString);
+
+ // Instant IO for archivable objects
+ //
+ // Unarchives a file into an object
+ Result_t ReadFileIntoObject(const std::string& Filename, IArchive& Object, ui32_t max_size = 8 * Kumu::Megabyte);
+
+ // Archives an object into a file
+ Result_t WriteObjectIntoFile(const IArchive& Object, const std::string& Filename);
+
+ // Instant IO for memory buffers
+ //
+ // Unarchives a file into a buffer
+ Result_t ReadFileIntoBuffer(const std::string& Filename, Kumu::ByteString& Buffer,
+ ui32_t max_size = 8 * Kumu::Megabyte);
+
+ // Archives a buffer into a file
+ Result_t WriteBufferIntoFile(const Kumu::ByteString& Buffer, const std::string& Filename);
+
+
+#ifdef KM_WIN32_UTF8
+ //------------------------------------------------------------------------------------------
+ // wide char support for win32 file I/O
+ //------------------------------------------------------------------------------------------
+
+ //
+ Result_t wbstr_to_utf8(const Kumu::ByteString& in, std::string& out);
+ Result_t utf8_to_wbstr(const std::string& in, Kumu::ByteString& out);
+#endif
+
+ //------------------------------------------------------------------------------------------
+ // File I/O
+ //------------------------------------------------------------------------------------------
//
class FileReader
protected:
std::string m_Filename;
- HANDLE m_Handle;
+ FileHandle m_Handle;
public:
FileReader() : m_Handle(INVALID_HANDLE_VALUE) {}
virtual ~FileReader() { Close(); }
- Result_t OpenRead(const char*) const; // open the file for reading
+ Result_t OpenRead(const std::string&) const; // open the file for reading
Result_t Close() const; // close the file
fsize_t Size() const; // returns the file's current size
Result_t Seek(Kumu::fpos_t = 0, SeekPos_t = SP_BEGIN) const; // move the file pointer
FileWriter();
virtual ~FileWriter();
- Result_t OpenWrite(const char*); // open a new file, overwrites existing
- Result_t OpenModify(const char*); // open a file for read/write
+ Result_t OpenWrite(const std::string&); // open a new file, overwrites existing
+ Result_t OpenModify(const std::string&); // open a file for read/write
// this part of the interface takes advantage of the iovec structure on
// platforms that support it. For each call to Writev(const byte_t*, ui32_t, ui32_t*),
Result_t Write(const byte_t*, ui32_t, ui32_t* = 0); // write buffer to disk
};
+ Result_t CreateDirectoriesInPath(const std::string& Path);
+ Result_t FreeSpaceForPath(const std::string& path, Kumu::fsize_t& free_space, Kumu::fsize_t& total_space);
+ Result_t DeleteFile(const std::string& filename);
+ Result_t DeletePath(const std::string& pathname);
+
} // namespace Kumu
projects / asdcplib.git / blobdiff