179 lines
6.4 KiB
XML
179 lines
6.4 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="ConfigFile" inherits="Reference" version="4.0">
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<brief_description>
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Helper class to handle INI-style files.
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</brief_description>
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<description>
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This helper class can be used to store [Variant] values on the filesystem using INI-style formatting. The stored values are identified by a section and a key:
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[codeblock]
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[section]
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some_key=42
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string_example="Hello World!"
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a_vector=Vector3( 1, 0, 2 )
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[/codeblock]
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The stored data can be saved to or parsed from a file, though ConfigFile objects can also be used directly without accessing the filesystem.
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The following example shows how to parse an INI-style file from the system, read its contents and store new values in it:
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[codeblock]
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var config = ConfigFile.new()
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var err = config.load("user://settings.cfg")
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if err == OK: # If not, something went wrong with the file loading
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# Look for the display/width pair, and default to 1024 if missing
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var screen_width = config.get_value("display", "width", 1024)
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# Store a variable if and only if it hasn't been defined yet
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if not config.has_section_key("audio", "mute"):
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config.set_value("audio", "mute", false)
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# Save the changes by overwriting the previous file
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config.save("user://settings.cfg")
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[/codeblock]
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Keep in mind that section and property names can't contain spaces. Anything after a space will be ignored on save and on load.
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ConfigFiles can also contain manually written comment lines starting with a semicolon ([code];[/code]). Those lines will be ignored when parsing the file. Note that comments will be lost when saving the ConfigFile. This can still be useful for dedicated server configuration files, which are typically never overwritten without explicit user action.
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="erase_section">
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<return type="void">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<description>
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Deletes the specified section along with all the key-value pairs inside.
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</description>
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</method>
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<method name="erase_section_key">
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<return type="void">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<argument index="1" name="key" type="String">
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</argument>
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<description>
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</description>
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</method>
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<method name="get_section_keys" qualifiers="const">
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<return type="PoolStringArray">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<description>
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Returns an array of all defined key identifiers in the specified section.
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</description>
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</method>
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<method name="get_sections" qualifiers="const">
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<return type="PoolStringArray">
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</return>
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<description>
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Returns an array of all defined section identifiers.
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</description>
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</method>
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<method name="get_value" qualifiers="const">
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<return type="Variant">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<argument index="1" name="key" type="String">
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</argument>
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<argument index="2" name="default" type="Variant" default="null">
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</argument>
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<description>
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Returns the current value for the specified section and key. If the section and/or the key do not exist, the method returns the value of the optional [code]default[/code] argument, or [code]null[/code] if it is omitted.
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</description>
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</method>
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<method name="has_section" qualifiers="const">
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<return type="bool">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<description>
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Returns [code]true[/code] if the specified section exists.
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</description>
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</method>
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<method name="has_section_key" qualifiers="const">
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<return type="bool">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<argument index="1" name="key" type="String">
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</argument>
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<description>
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Returns [code]true[/code] if the specified section-key pair exists.
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</description>
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</method>
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<method name="load">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<description>
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Loads the config file specified as a parameter. The file's contents are parsed and loaded in the ConfigFile object which the method was called on.
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Returns one of the [enum Error] code constants ([code]OK[/code] on success).
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</description>
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</method>
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<method name="load_encrypted">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<argument index="1" name="key" type="PoolByteArray">
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</argument>
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<description>
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</description>
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</method>
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<method name="load_encrypted_pass">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<argument index="1" name="pass" type="String">
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</argument>
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<description>
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</description>
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</method>
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<method name="save">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<description>
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Saves the contents of the ConfigFile object to the file specified as a parameter. The output file uses an INI-style structure.
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Returns one of the [enum Error] code constants ([code]OK[/code] on success).
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</description>
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</method>
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<method name="save_encrypted">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<argument index="1" name="key" type="PoolByteArray">
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</argument>
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<description>
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</description>
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</method>
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<method name="save_encrypted_pass">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<argument index="1" name="pass" type="String">
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</argument>
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<description>
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</description>
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</method>
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<method name="set_value">
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<return type="void">
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</return>
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<argument index="0" name="section" type="String">
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</argument>
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<argument index="1" name="key" type="String">
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</argument>
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<argument index="2" name="value" type="Variant">
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</argument>
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<description>
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Assigns a value to the specified key of the specified section. If the section and/or the key do not exist, they are created. Passing a [code]null[/code] value deletes the specified key if it exists, and deletes the section if it ends up empty once the key has been removed.
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</description>
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</method>
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</methods>
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<constants>
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</constants>
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</class>
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