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125 lines
4.2 KiB
Python
125 lines
4.2 KiB
Python
# gobject_object.py
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#
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# Copyright 2022 James Westman <james@jwestman.net>
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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import typing as T
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from .common import *
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class ObjectContent(AstNode):
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grammar = ["{", Until(OBJECT_CONTENT_HOOKS, "}")]
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@property
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def gir_class(self):
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return self.parent.gir_class
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# @validate()
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# def only_one_style_class(self):
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# if len(self.children[Style]) > 1:
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# raise CompileError(
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# f"Only one style directive allowed per object, but this object contains {len(self.children[Style])}",
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# start=self.children[Style][1].group.start,
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# )
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def emit_xml(self, xml: XmlEmitter):
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for x in self.children:
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x.emit_xml(xml)
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if self.parent.gir_class and self.parent.gir_class.assignable_to(self.root.gir.get_type("Dialog", "Gtk")):
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action_widgets = [widget for widget in self.children if hasattr(widget, "is_action_widget") and widget.is_action_widget]
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if len(action_widgets):
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xml.start_tag("action-widgets")
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for widget in action_widgets:
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widget.emit_action_widget(xml)
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xml.end_tag()
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class Object(AstNode):
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grammar: T.Any = [
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class_name,
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Optional(UseIdent("id")),
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ObjectContent,
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]
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@property
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def id(self):
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if self.tokens["id"] is None:
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if hasattr(self.parent, "child_needs_id") and self.parent.child_needs_id:
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return self.unique_id
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return self.tokens["id"]
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@validate("namespace")
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def gir_ns_exists(self):
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if not self.tokens["ignore_gir"]:
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self.root.gir.validate_ns(self.tokens["namespace"])
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@validate("class_name")
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def gir_class_exists(self):
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if self.tokens["class_name"] and not self.tokens["ignore_gir"] and self.gir_ns is not None:
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self.root.gir.validate_class(self.tokens["class_name"], self.tokens["namespace"])
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@property
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def gir_ns(self):
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if not self.tokens["ignore_gir"]:
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return self.root.gir.namespaces.get(self.tokens["namespace"] or "Gtk")
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@property
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def gir_class(self):
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if self.tokens["class_name"] and not self.tokens["ignore_gir"]:
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return self.root.gir.get_class(self.tokens["class_name"], self.tokens["namespace"])
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@docs("namespace")
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def namespace_docs(self):
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if ns := self.root.gir.namespaces.get(self.tokens["namespace"]):
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return ns.doc
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@docs("class_name")
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def class_docs(self):
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if self.gir_class:
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return self.gir_class.doc
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def emit_xml(self, xml: XmlEmitter):
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xml.start_tag("object", **{
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"class": self.gir_class.glib_type_name if self.gir_class else self.tokens["class_name"],
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"id": self.id,
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})
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for child in self.children:
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child.emit_xml(xml)
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xml.end_tag()
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def validate_parent_type(node, ns: str, name: str, err_msg: str):
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parent = node.root.gir.get_type(name, ns)
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container_type = node.parent_by_type(Object).gir_class
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if container_type and not container_type.assignable_to(parent):
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raise CompileError(f"{container_type.full_name} is not a {parent.full_name}, so it doesn't have {err_msg}")
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@decompiler("object")
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def decompile_object(ctx, gir, klass, id=None):
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gir_class = ctx.type_by_cname(klass)
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klass_name = decompile.full_name(gir_class) if gir_class is not None else "." + klass
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if id is None:
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ctx.print(f"{klass_name} {{")
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else:
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ctx.print(f"{klass_name} {id} {{")
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return gir_class
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