godot/modules/zip/doc_classes/ZIPReader.xml
Hugo Locurcio 4db9c112ff
Add a code sample that extracts all files to ZIPReader documentation
Tested with various ZIP files found on the web, with a single root
folder or multiple files at its root.

Co-authored-by: Raul Santos <raulsntos@gmail.com>
2024-12-03 00:37:50 +01:00

89 lines
3.4 KiB
XML

<?xml version="1.0" encoding="UTF-8" ?>
<class name="ZIPReader" inherits="RefCounted" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
<brief_description>
Allows reading the content of a ZIP file.
</brief_description>
<description>
This class implements a reader that can extract the content of individual files inside a ZIP archive. See also [ZIPPacker].
[codeblock]
# Read a single file from a ZIP archive.
func read_zip_file():
var reader = ZIPReader.new()
var err = reader.open("user://archive.zip")
if err != OK:
return PackedByteArray()
var res = reader.read_file("hello.txt")
reader.close()
return res
# Extract all files from a ZIP archive, preserving the directories within.
# This acts like the "Extract all" functionality from most archive managers.
func extract_all_from_zip():
var reader = ZIPReader.new()
reader.open("res://archive.zip")
# Destination directory for the extracted files (this folder must exist before extraction).
# Not all ZIP archives put everything in a single root folder,
# which means several files/folders may be created in `root_dir` after extraction.
var root_dir = DirAccess.open("user://")
var files = reader.get_files()
for file_path in files:
# If the current entry is a directory.
if file_path.ends_with("/"):
root_dir.make_dir_recursive(file_path)
continue
# Write file contents, creating folders automatically when needed.
# Not all ZIP archives are strictly ordered, so we need to do this in case
# the file entry comes before the folder entry.
root_dir.make_dir_recursive(root_dir.get_current_dir().path_join(file_path).get_base_dir())
var file = FileAccess.open(root_dir.get_current_dir().path_join(file_path), FileAccess.WRITE)
var buffer = reader.read_file(file_path)
file.store_buffer(buffer)
[/codeblock]
</description>
<tutorials>
</tutorials>
<methods>
<method name="close">
<return type="int" enum="Error" />
<description>
Closes the underlying resources used by this instance.
</description>
</method>
<method name="file_exists">
<return type="bool" />
<param index="0" name="path" type="String" />
<param index="1" name="case_sensitive" type="bool" default="true" />
<description>
Returns [code]true[/code] if the file exists in the loaded zip archive.
Must be called after [method open].
</description>
</method>
<method name="get_files">
<return type="PackedStringArray" />
<description>
Returns the list of names of all files in the loaded archive.
Must be called after [method open].
</description>
</method>
<method name="open">
<return type="int" enum="Error" />
<param index="0" name="path" type="String" />
<description>
Opens the zip archive at the given [param path] and reads its file index.
</description>
</method>
<method name="read_file">
<return type="PackedByteArray" />
<param index="0" name="path" type="String" />
<param index="1" name="case_sensitive" type="bool" default="true" />
<description>
Loads the whole content of a file in the loaded zip archive into memory and returns it.
Must be called after [method open].
</description>
</method>
</methods>
</class>