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