72 lines
3.1 KiB
Python
72 lines
3.1 KiB
Python
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from lnx.logicnode.lnx_nodes import *
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class RegularExpressionNode(LnxLogicTreeNode):
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"""
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The first argument is a string with a regular expression pattern, the second one is a string with flags.
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@input RegExp Pattern: regular expression patterns such as
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- `.`: any character
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- `*`: repeat zero-or-more
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- `+`: repeat one-or-more
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- `?`: optional zero-or-one
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- `[A-Z0-9]`: character ranges
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- `[^\\r\\n\\t]`: character not-in-range
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- `(...)`: parenthesis to match groups of characters
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- `^`: beginning of the string (beginning of a line in multiline matching mode)
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- `$`: end of the string (end of a line in multiline matching mode)
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- `|`: "OR" statement.
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@input RegExp Flags: possible flags are the following
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- `i`: case insensitive matching
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- `g`: global replace or split, see below
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- `m`: multiline matching, ^ and $ represent the beginning and end of a line
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- `s`: the dot . will also match newlines (not supported by C# and JavaScript versions before ES2018)
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- `u`: use UTF-8 matching (Neko and C++ targets only)
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@input String: String to match, split or replace
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@input Replace: String to use when replace
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@output Match: boolean result comparing the regular expression pattern with the string
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@output Matched: array containing list of matched patterns
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@output Split: array string of string splits using the pattern
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@output Replace: new string with the pattern replaced
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"""
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bl_idname = 'LNRegularExpressionNode'
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bl_label = 'Regular Expression'
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lnx_version = 1
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def remove_extra_inputs(self, context):
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while len(self.outputs) > 0:
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self.outputs.remove(self.outputs[-1])
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if len(self.inputs) != 3:
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self.inputs.remove(self.inputs[-1])
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if self.property0 == 'Match':
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self.add_output('LnxBoolSocket', 'Match')
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self.add_output('LnxNodeSocketArray', 'Matched', is_var=False)
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if self.property0 == 'Split':
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self.add_output('LnxNodeSocketArray', 'Split', is_var=False)
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if self.property0 == 'Replace':
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self.add_input('LnxStringSocket', 'Replace')
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self.add_output('LnxStringSocket', 'String')
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property0: HaxeEnumProperty(
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'property0',
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items = [('Match', 'Match', 'A regular expression is used to compare a string. Use () in the pattern to retrieve Matched groups'),
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('Split', 'Split', 'A regular expression can also be used to split a string into several substrings'),
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('Replace', 'Replace', 'A regular expression can also be used to replace a part of the string')],
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name='', default='Match', update=remove_extra_inputs)
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def lnx_init(self, context):
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self.add_input('LnxStringSocket', 'RegExp Pattern')
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self.add_input('LnxStringSocket', 'RegExp Flags')
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self.add_input('LnxStringSocket', 'String')
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self.add_output('LnxBoolSocket', 'Match')
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self.add_output('LnxNodeSocketArray', 'Matched', is_var=False)
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def draw_buttons(self, context, layout):
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layout.prop(self, 'property0')
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