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# gtk_file_filter.py
#
# Copyright 2021 James Westman <james@jwestman.net>
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: LGPL-3.0-or-later
from .common import *
from .gobject_object import ObjectContent, validate_parent_type
class Filters(AstNode):
@property
def document_symbol(self) -> DocumentSymbol:
return DocumentSymbol(
self.tokens["tag_name"],
SymbolKind.Array,
self.range,
self.group.tokens["tag_name"].range,
)
@validate()
def container_is_file_filter(self):
validate_parent_type(self, "Gtk", "FileFilter", "file filter properties")
@validate("tag_name")
def unique_in_parent(self):
self.validate_unique_in_parent(
f"Duplicate {self.tokens['tag_name']} block",
check=lambda child: child.tokens["tag_name"] == self.tokens["tag_name"],
)
@docs("tag_name")
def ref_docs(self):
return get_docs_section("Syntax ExtFileFilter")
class FilterString(AstNode):
@property
def item(self) -> str:
return self.tokens["name"]
@property
def document_symbol(self) -> DocumentSymbol:
return DocumentSymbol(
self.item,
SymbolKind.String,
self.range,
self.group.tokens["name"].range,
)
@validate()
def unique_in_parent(self):
self.validate_unique_in_parent(
f"Duplicate {self.tokens['tag_name']} '{self.item}'",
check=lambda child: child.item == self.item,
)
def create_node(tag_name: str, singular: str):
return Group(
Filters,
[
UseExact("tag_name", tag_name),
"[",
Delimited(
Group(
FilterString,
[
UseQuoted("name"),
UseLiteral("tag_name", singular),
],
),
",",
),
"]",
],
)
ext_file_filter_mime_types = create_node("mime-types", "mime-type")
ext_file_filter_patterns = create_node("patterns", "pattern")
ext_file_filter_suffixes = create_node("suffixes", "suffix")
@completer(
applies_in=[ObjectContent],
applies_in_subclass=("Gtk", "FileFilter"),
matches=new_statement_patterns,
)
def file_filter_completer(lsp, ast_node, match_variables):
yield Completion(
"mime-types", CompletionItemKind.Snippet, snippet='mime-types ["$0"]'
)
yield Completion("patterns", CompletionItemKind.Snippet, snippet='patterns ["$0"]')
yield Completion("suffixes", CompletionItemKind.Snippet, snippet='suffixes ["$0"]')
@decompiler("mime-types")
def decompile_mime_types(ctx, gir):
ctx.print("mime-types [")
@decompiler("mime-type", cdata=True)
def decompile_mime_type(ctx, gir, cdata):
ctx.print(f"{escape_quote(cdata)},")
@decompiler("patterns")
def decompile_patterns(ctx, gir):
ctx.print("patterns [")
@decompiler("pattern", cdata=True)
def decompile_pattern(ctx, gir, cdata):
ctx.print(f"{escape_quote(cdata)},")
@decompiler("suffixes")
def decompile_suffixes(ctx, gir):
ctx.print("suffixes [")
@decompiler("suffix", cdata=True)
def decompile_suffix(ctx, gir, cdata):
ctx.print(f"{escape_quote(cdata)},")
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