mirror of
https://github.com/RGBCube/serenity
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100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/JsonObject.h>
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#include <AK/JsonValue.h>
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#include <AK/StringBuilder.h>
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#include <LibGUI/GMLFormatter.h>
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#include <LibGUI/GMLParser.h>
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namespace GUI {
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static String format_gml_object(const JsonObject& node, size_t indentation = 0, bool is_inline = false)
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{
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StringBuilder builder;
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auto indent = [&builder](size_t indentation) {
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for (size_t i = 0; i < indentation; ++i)
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builder.append(" ");
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};
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struct Property {
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String key;
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JsonValue value;
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};
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Vector<Property> properties;
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node.for_each_member([&](auto& key, auto& value) {
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if (key != "class" && key != "layout" && key != "children")
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properties.append({ key, value });
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return IterationDecision::Continue;
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});
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if (!is_inline)
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indent(indentation);
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builder.append('@');
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builder.append(node.get("class").as_string());
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builder.append(" {\n");
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for (auto& property : properties) {
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indent(indentation + 1);
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builder.append(property.key);
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builder.append(": ");
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if (property.value.is_array()) {
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// custom array serialization as AK's doesn't pretty-print
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// objects and arrays (we only care about arrays (for now))
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builder.append("[");
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auto first = true;
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property.value.as_array().for_each([&](auto& value) {
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if (!first)
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builder.append(", ");
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first = false;
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value.serialize(builder);
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});
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builder.append("]");
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} else {
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property.value.serialize(builder);
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}
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builder.append("\n");
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}
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if (node.has("layout")) {
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auto layout = node.get("layout").as_object();
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if (!properties.is_empty())
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builder.append("\n");
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indent(indentation + 1);
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builder.append("layout: ");
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builder.append(format_gml_object(move(layout), indentation + 1, true));
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}
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if (node.has("children")) {
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auto children = node.get("children").as_array();
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auto first = properties.is_empty() && !node.has("layout");
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children.for_each([&](auto& value) {
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if (!first)
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builder.append("\n");
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first = false;
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builder.append(format_gml_object(value.as_object(), indentation + 1));
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});
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}
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indent(indentation);
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builder.append("}\n");
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return builder.to_string();
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}
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String format_gml(StringView string)
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{
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// FIXME: Preserve comments somehow, they're not contained
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// in the JSON object returned by parse_gml()
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auto ast = parse_gml(string);
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if (ast.is_null())
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return {};
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VERIFY(ast.is_object());
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return format_gml_object(ast.as_object());
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}
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}
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