74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
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/*
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Crafter®.Graphics
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Copyright (C) 2026 Catcrafts®
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catcrafts.net
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License version 3.0 as published by the Free Software Foundation;
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This library is distributed in the hope that it will be useful,
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but 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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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Router implementation. The popState handler table lives in
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// Crafter.Graphics-Dom.cpp (alongside every other event-kind table);
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// we reach it through the opaque `PopStateRegister`/`PopStateUnregister`
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// helpers it exposes, avoiding any cross-TU duplication of the
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// HandlerTable definition.
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module;
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module Crafter.Graphics;
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import std;
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namespace Crafter::DomBindings {
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__attribute__((import_module("env"), import_name("pushState")))
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void PushState(const char* data, std::int32_t dataLength,
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const char* title, std::int32_t titleLength,
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const char* url, std::int32_t urlLength);
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__attribute__((import_module("env"), import_name("addPopStateListener")))
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void AddPopStateListener(std::int32_t id);
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__attribute__((import_module("env"), import_name("removePopStateListener")))
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void RemovePopStateListener(std::int32_t id);
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__attribute__((import_module("env"), import_name("getPathName")))
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const char* GetPathName();
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// Defined in Crafter.Graphics-Dom.cpp.
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std::int32_t PopStateRegister(std::function<void()> cb);
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void PopStateUnregister(std::int32_t id);
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}
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namespace Crafter::Router {
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void PushState(std::string_view data, std::string_view title, std::string_view url) {
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Crafter::DomBindings::PushState(
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data.data(), static_cast<std::int32_t>(data.size()),
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title.data(), static_cast<std::int32_t>(title.size()),
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url.data(), static_cast<std::int32_t>(url.size()));
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}
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std::int32_t AddPopStateListener(std::function<void()> callback) {
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std::int32_t id = Crafter::DomBindings::PopStateRegister(std::move(callback));
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Crafter::DomBindings::AddPopStateListener(id);
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return id;
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}
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void RemovePopStateListener(std::int32_t id) {
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Crafter::DomBindings::RemovePopStateListener(id);
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Crafter::DomBindings::PopStateUnregister(id);
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}
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std::string GetPath() {
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const char* raw = Crafter::DomBindings::GetPathName();
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if (!raw) return {};
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std::string out(raw);
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std::free(const_cast<char*>(raw));
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return out;
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}
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}
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