diff options
Diffstat (limited to 'lib/stdlib/doc/src/zip.xml')
-rw-r--r-- | lib/stdlib/doc/src/zip.xml | 297 |
1 files changed, 117 insertions, 180 deletions
diff --git a/lib/stdlib/doc/src/zip.xml b/lib/stdlib/doc/src/zip.xml index 4d98a20206..b03fc7f4e2 100644 --- a/lib/stdlib/doc/src/zip.xml +++ b/lib/stdlib/doc/src/zip.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2006</year><year>2010</year> + <year>2006</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -34,11 +34,11 @@ <module>zip</module> <modulesummary>Utility for reading and creating 'zip' archives.</modulesummary> <description> - <p>The <c>zip</c> module archives and extract files to and from a zip + <p>The <c>zip</c> module archives and extracts files to and from a zip archive. The zip format is specified by the "ZIP Appnote.txt" file available on PKWare's website www.pkware.com.</p> <p>The zip module supports zip archive versions up to 6.1. However, - password-protection and Zip64 is not supported.</p> + password-protection and Zip64 are not supported.</p> <p>By convention, the name of a zip file should end in "<c>.zip</c>". To abide to the convention, you'll need to add "<c>.zip</c>" yourself to the name.</p> @@ -52,7 +52,7 @@ <seealso marker="#unzip_2">unzip/2</seealso> function. (They are also available as <c>extract</c>.)</p> <p>To fold a function over all files in a zip archive, use the - <seealso marker="#foldl_3">foldl_3</seealso>.</p> + <seealso marker="#foldl_3">foldl_3</seealso> function.</p> <p>To return a list of the files in a zip archive, use the <seealso marker="#list_dir_1">list_dir/1</seealso> or the <seealso marker="#list_dir_2">list_dir/2</seealso> function. (They @@ -85,67 +85,55 @@ recreated.</p> </section> - <section> - <title>DATA TYPES</title> - <code type="none"> -zip_file() </code> - <p>The record <c>zip_file</c> contains the following fields.</p> - <taglist> - <tag><c>name = string()</c></tag> - <item> - <p>the name of the file</p> - </item> - <tag><c>info = file_info()</c></tag> - <item> - <p>file info as in - <seealso marker="erts:file#read_file_info/1">file:read_file_info/1</seealso></p> - </item> - <tag><c>comment = string()</c></tag> - <item> - <p>the comment for the file in the zip archive</p> - </item> - <tag><c>offset = integer()</c></tag> - <item> - <p>the offset of the file in the zip archive (used internally)</p> - </item> - <tag><c>comp_size = integer()</c></tag> - <item> - <p>the compressed size of the file (the uncompressed size is found - in <c>info</c>)</p> - </item> - </taglist> - <code type="none">zip_comment</code> - <p>The record <c>zip_comment</c> just contains the archive comment for - a zip archive</p> - <taglist> - <tag><c>comment = string()</c></tag> - <item> - <p>the comment for the zip archive</p> - </item> - </taglist> - </section> + <datatypes> + <datatype> + <name name="zip_comment"/> + <desc> + <p>The record <c>zip_comment</c> just contains the archive comment for + a zip archive</p> + </desc> + </datatype> + <datatype> + <name name="zip_file"/> + <desc> + <p>The record <c>zip_file</c> contains the following fields.</p> + <taglist> + <tag><c>name</c></tag> + <item> + <p>the name of the file</p> + </item> + <tag><c>info</c></tag> + <item> + <p>file info as in + <seealso marker="kernel:file#read_file_info/1">file:read_file_info/1</seealso></p> + </item> + <tag><c>comment</c></tag> + <item> + <p>the comment for the file in the zip archive</p> + </item> + <tag><c>offset</c></tag> + <item> + <p>the offset of the file in the zip archive (used internally)</p> + </item> + <tag><c>comp_size</c></tag> + <item> + <p>the compressed size of the file (the uncompressed size is found + in <c>info</c>)</p> + </item> + </taglist> + </desc> + </datatype> + </datatypes> <funcs> <func> - <name>zip(Name, FileList) -> RetValue</name> - <name>zip(Name, FileList, Options) -> RetValue</name> - <name>create(Name, FileList) -> RetValue</name> - <name>create(Name, FileList, Options) -> RetValue</name> + <name name="zip" arity="2"/> + <name name="zip" arity="3"/> + <name name="create" arity="2"/> + <name name="create" arity="3"/> <fsummary>Create a zip archive with options</fsummary> - <type> - <v>Name = filename()</v> - <v>FileList = [FileSpec]</v> - <v>FileSpec = filename() | {filename(), binary()} | {filename(), binary(), #file_info{}}</v> - <v>Options = [Option]</v> - <v>Option = memory | cooked | verbose | {comment, Comment} | {cwd, CWD} | {compress, What} | {uncompress, What}</v> - <v>What = all | [Extension] | {add, [Extension]} | {del, [Extension]}</v> - <v>Extension = string()</v> - <v>Comment = CWD = string()</v> - <v>RetValue = {ok, Name} | {ok, {Name, binary()}} | {error, Reason}</v> - <v>Reason = term()</v> - </type> <desc> <p>The <marker id="zip_2"></marker><c>zip</c> function creates a - zip archive containing the files specified in <c>FileList</c>.</p> + zip archive containing the files specified in <c><anno>FileList</anno></c>.</p> <p>As synonyms, the functions <c>create/2</c> and <c>create/3</c> are provided, to make it resemble the <c>erl_tar</c> module.</p> <p>The file-list is a list of files, with paths relative to the @@ -155,15 +143,15 @@ zip_file() </code> <p>Files will be compressed using the DEFLATE compression, as described in the Appnote.txt file. However, files will be stored without compression if they already are compressed. - The <c>zip/2</c> and <c>zip/3</c> checks the file extension + The <c>zip/2</c> and <c>zip/3</c> functions check the file extension to see whether the file should be stored without compression. Files with the following extensions are not compressed: <c>.Z</c>, <c>.zip</c>, <c>.zoo</c>, <c>.arc</c>, <c>.lzh</c>, <c>.arj</c>.</p> <p>It is possible to override the default behavior and explicitly control what types of files that should be - compressed by using the <c>{compress, What}</c> and - <c>{uncompress, What}</c> options. It is possible to have + compressed by using the <c>{compress, <anno>What</anno>}</c> and + <c>{uncompress, <anno>What</anno>}</c> options. It is possible to have several <c>compress</c> and <c>uncompress</c> options. In order to trigger compression of a file, its extension must match with the @@ -191,56 +179,56 @@ zip_file() </code> <tag><c>memory</c></tag> <item> <p>The output will not be to a file, but instead as a tuple - <c>{FileName, binary()}</c>. The binary will be a full zip + <c>{<anno>FileName</anno>, binary()}</c>. The binary will be a full zip archive with header, and can be extracted with for instance <c>unzip/2</c>.</p> </item> - <tag><c>{comment, Comment}</c></tag> + <tag><c>{comment, <anno>Comment</anno>}</c></tag> <item> <p>Add a comment to the zip-archive.</p> </item> - <tag><c>{cwd, CWD}</c></tag> + <tag><c>{cwd, <anno>CWD</anno>}</c></tag> <item> <p>Use the given directory as current directory, it will be prepended to file names when adding them, although it will not be in the zip-archive. (Acting like a file:set_cwd/1, but without changing the global cwd property.)</p> </item> - <tag><c>{compress, What}</c></tag> + <tag><c>{compress, <anno>What</anno>}</c></tag> <item> - <p>Controls what types of files that will be + <p>Controls what types of files will be compressed. It is by default set to <c>all</c>. The following values of <c>What</c> are allowed:</p> <taglist> <tag><c>all</c></tag> <item><p> means that all files will be compressed (as long as they pass the <c>uncompress</c> condition).</p></item> - <tag><c>[Extension]</c></tag> + <tag><c>[<anno>Extension</anno>]</c></tag> <item><p>means that only files with exactly these extensions will be compressed.</p></item> - <tag><c>{add,[Extension]}</c></tag> + <tag><c>{add,[<anno>Extension</anno>]}</c></tag> <item><p>adds these extensions to the list of compress extensions.</p></item> - <tag><c>{del,[Extension]}</c></tag> + <tag><c>{del,[<anno>Extension</anno>]}</c></tag> <item><p>deletes these extensions from the list of compress extensions.</p></item> </taglist> </item> - <tag><c>{uncompress, What}</c></tag> + <tag><c>{uncompress, <anno>What</anno>}</c></tag> <item> - <p>Controls what types of files that will be uncompressed. It is by + <p>Controls what types of files will be uncompressed. It is by default set to <c>[".Z",".zip",".zoo",".arc",".lzh",".arj"]</c>. The following values of <c>What</c> are allowed:</p> <taglist> <tag><c>all</c></tag> <item><p> means that no files will be compressed.</p></item> - <tag><c>[Extension]</c></tag> + <tag><c>[<anno>Extension</anno>]</c></tag> <item><p>means that files with these extensions will be uncompressed.</p></item> - <tag><c>{add,[Extension]}</c></tag> + <tag><c>{add,[<anno>Extension</anno>]}</c></tag> <item><p>adds these extensions to the list of uncompress extensions.</p></item> - <tag><c>{del,[Extension]}</c></tag> + <tag><c>{del,[<anno>Extension</anno>]}</c></tag> <item><p>deletes these extensions from the list of uncompress extensions.</p></item> </taglist> @@ -249,23 +237,11 @@ zip_file() </code> </desc> </func> <func> - <name>unzip(Archive) -> RetValue</name> - <name>unzip(Archive, Options) -> RetValue</name> - <name>extract(Archive) -> RetValue</name> - <name>extract(Archive, Options) -> RetValue</name> + <name name="unzip" arity="1"/> + <name name="unzip" arity="2"/> + <name name="extract" arity="1"/> + <name name="extract" arity="2"/> <fsummary>Extract files from a zip archive</fsummary> - <type> - <v>Archive = filename() | binary()</v> - <v>Options = [Option]</v> - <v>Option = {file_list, FileList} | keep_old_files | verbose | memory | {file_filter, FileFilter} | {cwd, CWD}</v> - <v>FileList = [filename()]</v> - <v>FileBinList = [{filename(),binary()}]</v> - <v>FileFilter = fun(ZipFile) -> true | false</v> - <v>CWD = string()</v> - <v>ZipFile = zip_file()</v> - <v>RetValue = {ok,FileList} | {ok,FileBinList} | {error, Reason} | {error, {Name, Reason}}</v> - <v>Reason = term()</v> - </type> <desc> <p>The <marker id="unzip_1"></marker> <c>unzip/1</c> function extracts @@ -273,17 +249,17 @@ zip_file() </code> <marker id="unzip_2"></marker> <c>unzip/2</c> function provides options to extract some files, and more.</p> - <p>If the <c>Archive</c> argument is given as a binary, + <p>If the <c><anno>Archive</anno></c> argument is given as a binary, the contents of the binary is assumed to be a zip archive, otherwise it should be a filename.</p> <p>The following options are available:</p> <taglist> - <tag><c>{file_list, FileList}</c></tag> + <tag><c>{file_list, <anno>FileList</anno>}</c></tag> <item> <p>By default, all files will be extracted from the zip - archive. With the <c>{file_list,FileList}</c> option, + archive. With the <c>{file_list, <anno>FileList</anno>}</c> option, the <c>unzip/2</c> function will only extract the files - whose names are included in <c>FileList</c>. The full + whose names are included in <c><anno>FileList</anno></c>. The full paths, including the names of all sub directories within the zip archive, must be specified.</p> </item> @@ -292,7 +268,7 @@ zip_file() </code> <p>By default, the <c>open/2</c> function will open the zip file in <c>raw</c> mode, which is faster but does not allow a remote (erlang) file server to be used. Adding <c>cooked</c> - to the mode list will override the default and open zip file + to the mode list will override the default and open the zip file without the <c>raw</c> option. The same goes for the files extracted.</p> </item> @@ -301,7 +277,7 @@ zip_file() </code> <p>By default, all existing files with the same name as file in the zip archive will be overwritten. With the <c>keep_old_files</c> option, the <c>unzip/2</c> function will not overwrite any existing - files. Not that even with the <c>memory</c> option given, which + files. Note that even with the <c>memory</c> option given, which means that no files will be overwritten, files existing will be excluded from the result.</p> </item> @@ -329,29 +305,29 @@ zip_file() </code> </desc> </func> <func> - <name>foldl(Fun, Acc0, Archive) -> {ok, Acc1} | {error, Reason}</name> + <name name="foldl" arity="3"/> <fsummary>Fold a function over all files in a zip archive</fsummary> - <type> - <v>Fun = fun(FileInArchive, GetInfo, GetBin, AccIn) -> AccOut</v> - <v>FileInArchive = filename()</v> - <v>GetInfo = fun() -> #file_info{}</v> - <v>GetBin = fun() -> binary()</v> - <v>Acc0 = Acc1 = AccIn = AccOut = term()</v> - <v>Archive = filename() | {filename(), binary()}</v> - </type> <desc> <p>The <marker id="foldl_3"></marker> <c>foldl/3</c> function - calls <c>Fun(FileInArchive, GetInfo, GetBin, AccIn)</c> on - successive files in the <c>Archive</c>, starting with <c>AccIn - == Acc0</c>. <c>FileInArchive</c> is the name that the file - has in the archive. <c>GetInfo</c> is a fun that returns info - about the the file. <c>GetBin</c> returns the contents of the - file. Both <c>GetInfo</c> and <c>GetBin</c> must be called - within the <c>Fun</c>. Their behavior is undefined if they are - called outside the context of the <c>Fun</c>. The <c>Fun</c> + calls <c><anno>Fun</anno>(<anno>FileInArchive</anno>, <anno>GetInfo + </anno>, <anno>GetBin</anno>, <anno>AccIn</anno>)</c> on + successive files in the <c>Archive</c>, starting with + <c><anno>AccIn</anno> + == <anno>Acc0</anno></c>. <c><anno>FileInArchive</anno></c> is + the name that the file + has in the archive. <c><anno>GetInfo</anno></c> is a fun that + returns info + about the the file. <c><anno>GetBin</anno></c> returns the contents + of the + file. Both <c><anno>GetInfo</anno></c> and <c><anno>GetBin</anno></c> + must be called + within the <c><anno>Fun</anno></c>. Their behavior is undefined if + they are + called outside the context of the <c><anno>Fun</anno></c>. + The <c><anno>Fun</anno></c> must return a new accumulator which is passed to the next call. <c>foldl/3</c> returns the final value of the - accumulator. <c>Acc0</c> is returned if the archive is + accumulator. <c><anno>Acc0</anno></c> is returned if the archive is empty. It is not necessary to iterate over all files in the archive. The iteration may be ended prematurely in a controlled manner by throwing an exception.</p> @@ -387,26 +363,16 @@ zip_file() </code> </desc> </func> <func> - <name>list_dir(Archive) -> RetValue</name> - <name>list_dir(Archive, Options)</name> - <name>table(Archive) -> RetValue</name> - <name>table(Archive, Options)</name> + <name name="list_dir" arity="1"/> + <name name="list_dir" arity="2"/> + <name name="table" arity="1" /> + <name name="table" arity="2"/> <fsummary>Retrieve the name of all files in a zip archive</fsummary> - <type> - <v>Archive = filename() | binary()</v> - <v>RetValue = {ok, [Comment, Files]} | {error, Reason}</v> - <v>Comment = zip_comment()</v> - <v>Files = [zip_file()]</v> - <v>Options = [Option]</v> - <v>Option = cooked</v> - <v>Reason = term()</v> - </type> <desc> - <p>The <marker id="list_dir_1"></marker> -<c>list_dir/1</c> function retrieves - the names of all files in the zip archive <c>Archive</c>. The - <marker id="list_dir_2"></marker> -<c>list_dir/2</c> function provides options.</p> + <p>The <marker id="list_dir_1"></marker><c>list_dir/1</c> + function retrieves the names of all files in the zip archive + <c><anno>Archive</anno></c>. The <marker id="list_dir_2"></marker> + <c>list_dir/2</c> function provides options.</p> <p>As synonyms, the functions <c>table/2</c> and <c>table/3</c> are provided, to make it resemble the <c>erl_tar</c> module.</p> <p>The result value is the tuple <c>{ok, List}</c>, where <c>List</c> @@ -418,50 +384,34 @@ zip_file() </code> <p>By default, the <c>open/2</c> function will open the zip file in <c>raw</c> mode, which is faster but does not allow a remote (erlang) file server to be used. Adding <c>cooked</c> - to the mode list will override the default and open zip file + to the mode list will override the default and open the zip file without the <c>raw</c> option.</p> </item> </taglist> </desc> </func> <func> - <name>t(Archive)</name> + <name name="t" arity="1"/> <fsummary>Print the name of each file in a zip archive</fsummary> - <type> - <v>Archive = filename() | binary() | ZipHandle</v> - <v>ZipHandle = pid()</v> - </type> <desc> - <p>The <marker id="t_1"></marker> -<c>t/1</c> function prints the names - of all files in the zip archive <c>Archive</c> to the Erlang shell. + <p>The <marker id="t_1"></marker><c>t/1</c> function prints the names + of all files in the zip archive <c><anno>Archive</anno></c> to the Erlang shell. (Similar to "<c>tar t</c>".)</p> </desc> </func> <func> - <name>tt(Archive)</name> + <name name="tt" arity="1"/> <fsummary>Print name and information for each file in a zip archive</fsummary> - <type> - <v>Archive = filename() | binary()</v> - </type> <desc> - <p>The <marker id="tt_1"></marker> -<c>tt/1</c> function prints names and - information about all files in the zip archive <c>Archive</c> to + <p>The <marker id="tt_1"></marker><c>tt/1</c> function prints names and + information about all files in the zip archive <c><anno>Archive</anno></c> to the Erlang shell. (Similar to "<c>tar tv</c>".)</p> </desc> </func> <func> - <name>zip_open(Archive) -> {ok, ZipHandle} | {error, Reason}</name> - <name>zip_open(Archive, Options) -> {ok, ZipHandle} | {error, Reason}</name> + <name name="zip_open" arity="1"/> + <name name="zip_open" arity="2"/> <fsummary>Open an archive and return a handle to it</fsummary> - <type> - <v>Archive = filename() | binary()</v> - <v>Options = [Option]</v> - <v>Options = cooked | memory | {cwd, CWD}</v> - <v>CWD = string()</v> - <v>ZipHandle = pid()</v> - </type> <desc> <p>The <marker id="zip_open"></marker> <c>zip_open</c> function opens a @@ -472,29 +422,19 @@ zip_file() </code> </desc> </func> <func> - <name>zip_list_dir(ZipHandle) -> Result | {error, Reason}</name> + <name name="zip_list_dir" arity="1"/> <fsummary>Return a table of files in open zip archive</fsummary> - <type> - <v>Result = [ZipComment, ZipFile...]</v> - <v>ZipComment = #zip_comment{}</v> - <v>ZipFile = #zip_file{}</v> - <v>ZipHandle = pid()</v> - </type> <desc> - <p>The <marker id="zip_list_dir"></marker> -<c>zip_list_dir/1</c> function - returns the file list of an open zip archive.</p> + <p>The <marker id="zip_list_dir"></marker> + <c>zip_list_dir/1</c> function + returns the file list of an open zip archive. The first returned + element is the zip archive comment.</p> </desc> </func> <func> - <name>zip_get(ZipHandle) -> {ok, [Result]} | {error, Reason}</name> - <name>zip_get(FileName, ZipHandle) -> {ok, Result} | {error, Reason}</name> + <name name="zip_get" arity="1"/> + <name name="zip_get" arity="2"/> <fsummary>Extract files from an open archive</fsummary> - <type> - <v>FileName = filename()</v> - <v>ZipHandle = pid()</v> - <v>Result = filename() | {filename(), binary()}</v> - </type> <desc> <p>The <marker id="zip_get"></marker> <c>zip_get</c> function extracts @@ -505,11 +445,8 @@ zip_file() </code> </desc> </func> <func> - <name>zip_close(ZipHandle) -> ok | {error, einval}</name> + <name name="zip_close" arity="1"/> <fsummary>Close an open archive</fsummary> - <type> - <v>ZipHandle = pid()</v> - </type> <desc> <p>The <marker id="zip_close"></marker> <c>zip_close/1</c> function closes |