diff options
Diffstat (limited to 'lib/base/zip/zipfiles.nim')
| -rw-r--r-- | lib/base/zip/zipfiles.nim | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/lib/base/zip/zipfiles.nim b/lib/base/zip/zipfiles.nim deleted file mode 100644 index e48b0f08e..000000000 --- a/lib/base/zip/zipfiles.nim +++ /dev/null @@ -1,144 +0,0 @@ -# -# -# Nimrod's Runtime Library -# (c) Copyright 2008 Andreas Rumpf -# -# See the file "copying.txt", included in this -# distribution, for details about the copyright. -# - -## This module implements a zip archive creator/reader/modifier. - -import - streams, libzip, times, os - -type - TZipArchive* = object of TObject ## represents a zip archive - mode: TFileMode - w: PZip - - -proc zipError(z: var TZipArchive) = - var e: ref EIO - new(e) - e.msg = zip_strerror(z.w) - raise e - -proc open*(z: var TZipArchive, filename: string, mode: TFileMode = fmRead): bool = - ## Opens a zip file for reading, writing or appending. All file modes are - ## supported. Returns true iff successful, false otherwise. - var err, flags: int32 - case mode - of fmRead, fmReadWriteExisting, fmAppend: flags = 0 - of fmWrite: - if existsFile(filename): removeFile(filename) - flags = ZIP_CREATE or ZIP_EXCL - of fmReadWrite: flags = ZIP_CREATE - z.w = zip_open(filename, flags, addr(err)) - z.mode = mode - result = z.w != nil - -proc close*(z: var TZipArchive) = - ## Closes a zip file. - zip_close(z.w) - -proc createDir*(z: var TZipArchive, dir: string) = - ## Creates a directory within the `z` archive. This does not fails if the - ## directory already exists. Note that for adding a file like - ## ``"path1/path2/filename"`` it is not necessary - ## to create the ``"path/path2"`` subdirectories - it will be done - ## automatically by ``addFile``. - assert(z.mode != fmRead) - discard zip_add_dir(z.w, dir) - zip_error_clear(z.w) - -proc addFile*(z: var TZipArchive, dest, src: string) = - ## Adds the file `src` to the archive `z` with the name `dest`. `dest` - ## may contain a path that will be created. - assert(z.mode != fmRead) - var zipsrc = zip_source_file(z.w, src, 0, -1) - if zipsrc == nil: - echo("Dest: " & dest) - echo("Src: " & src) - zipError(z) - if zip_add(z.w, dest, zipsrc) < 0'i32: - zip_source_free(zipsrc) - zipError(z) - -proc addFile*(z: var TZipArchive, file: string) = - ## A shortcut for ``addFile(z, file, file)``, i.e. the name of the source is - ## the name of the destination. - addFile(z, file, file) - -proc mySourceCallback(state, data: pointer, len: int, - cmd: Tzip_source_cmd): int {.cdecl.} = - var src = cast[PStream](state) - case cmd - of ZIP_SOURCE_OPEN: - if src.setPosition != nil: src.setPosition(src, 0) # reset - of ZIP_SOURCE_READ: - result = src.readData(src, data, len) - of ZIP_SOURCE_CLOSE: src.close(src) - of ZIP_SOURCE_STAT: - var stat = cast[PZipStat](data) - zip_stat_init(stat) - stat.size = high(int32)-1 # we don't know the size - stat.mtime = getTime() - result = sizeof(TZipStat) - of ZIP_SOURCE_ERROR: - var err = cast[ptr array[0..1, cint]](data) - err[0] = ZIP_ER_INTERNAL - err[1] = 0 - result = 2*sizeof(cint) - of constZIP_SOURCE_FREE: GC_unref(src) - else: assert(false) - -proc addFile*(z: var TZipArchive, dest: string, src: PStream) = - ## Adds a file named with `dest` to the archive `z`. `dest` - ## may contain a path. The file's content is read from the `src` stream. - assert(z.mode != fmRead) - GC_ref(src) - var zipsrc = zip_source_function(z.w, mySourceCallback, cast[pointer](src)) - if zipsrc == nil: zipError(z) - if zip_add(z.w, dest, zipsrc) < 0'i32: - zip_source_free(zipsrc) - zipError(z) - -# -------------- zip file stream --------------------------------------------- - -type - TZipFileStream = object of TStream - f: Pzip_file - - PZipFileStream* = - ref TZipFileStream ## a reader stream of a file within a zip archive - -proc fsClose(s: PZipFileStream) = zip_fclose(s.f) -proc fsReadData(s: PZipFileStream, buffer: pointer, bufLen: int): int = - result = zip_fread(s.f, buffer, bufLen) - -proc newZipFileStream(f: PZipFile): PZipFileStream = - new(result) - result.f = f - result.close = fsClose - result.readData = fsReadData - # other methods are nil! - -# ---------------------------------------------------------------------------- - -proc getStream*(z: var TZipArchive, filename: string): PZipFileStream = - ## returns a stream that can be used to read the file named `filename` - ## from the archive `z`. Returns nil in case of an error. - ## The returned stream does not support the `setPosition`, `getPosition`, - ## `writeData` or `atEnd` methods. - var x = zip_fopen(z.w, filename, 0'i32) - if x != nil: result = newZipFileStream(x) - -iterator walkFiles*(z: var TZipArchive): string = - ## walks over all files in the archive `z` and returns the filename - ## (including the path). - var i = 0 - var num = int(zip_get_num_files(z.w)) - while i < num: - yield $zip_get_name(z.w, i, 0'i32) - inc(i) |