101 lines
3.5 KiB
C++
101 lines
3.5 KiB
C++
/*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Plumber — ollie-gui's bridge to the plan9port plumbing system.
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*
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* Full plumb client:
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* - SEND: send() opens the "send" port on the plumber and writes a packed
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* plumb message; the plumber's rules resolve it (file:line -> edit port,
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* url -> web port, etc.). The source is "ollie" and the destination is
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* left empty so the rules decide.
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* - RECEIVE: dedicated reader threads open ports and block on reads.
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* The "ollie" port receives ollie-specific messages (ollie:// URLs).
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* Messages are emitted via signals on the GUI thread.
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*
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* The namespace socket is $NAMESPACE/plumb, or /tmp/ns.$USER.$DISPLAY/plumb
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* when $NAMESPACE is unset — the same resolution plan9's getns() performs.
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*
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* URL scheme for ollie plumb messages:
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* ollie://session/agent#block - navigate to block in chat
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* ollie://session/agent - switch to agent
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* ollie://session - switch to session
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*/
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#ifndef PLUMBER_H
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#define PLUMBER_H
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#include <QObject>
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#include <QString>
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#include <QQmlEngine>
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class PlumbReader; // reader living on its own thread
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// Plumber wraps plan9port plumbing for context-aware actions.
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// B3-click on text → plumber routes to appropriate handler (editor, browser, etc.)
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class Plumber : public QObject
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{
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Q_OBJECT
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QML_ELEMENT
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QML_SINGLETON
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public:
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explicit Plumber(QObject *parent = nullptr);
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~Plumber() override;
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/*! Resolve the plumb socket path ($NAMESPACE/plumb or display fallback). */
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static QString socketPath();
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/*!
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* Build and send a plumb message carrying \a data (a token, path or URL)
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* with working directory \a wdir. Returns true if the plumber accepted the
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* write. On failure errorString() explains why.
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*/
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Q_INVOKABLE bool send(const QString &data, const QString &wdir = QString());
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/*! Plumb text to a specific destination port. */
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Q_INVOKABLE bool sendTo(const QString &data, const QString &dst, const QString &wdir = QString());
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/*! Last send() error. */
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Q_INVOKABLE QString errorString() const { return m_error; }
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/*! Check if plumber namespace is available. */
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Q_INVOKABLE bool available() const;
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// Legacy compatibility aliases
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Q_INVOKABLE void plumb(const QString &text, const QString &wdir = QString()) { send(text, wdir); }
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Q_INVOKABLE void plumbTo(const QString &text, const QString &dst, const QString &wdir = QString()) { sendTo(text, dst, wdir); }
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/*!
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* Start the edit-port reader thread. Safe to call once; further calls are
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* no-ops. Reader failures are reported via readerError().
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*/
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Q_INVOKABLE void startReader();
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Q_SIGNALS:
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/*!
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* A plumb message arrived on the edit port: open \a file and, if \a addr is
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* non-empty, jump to it. Emitted on the GUI (Plumber's) thread.
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*/
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void edit(const QString &file, const QString &addr, const QString &wdir);
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/*!
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* A plumb message arrived on the ollie port. The \a url is an ollie:// URL:
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* ollie://session/agent#block - navigate to chat block
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* ollie://session/agent - switch to agent
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* ollie://session - switch to session
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*/
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void ollieMessage(const QString &url);
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/*! The reader stopped with an error (e.g. plumber not running). */
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void readerError(const QString &message);
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/*! Send failed. */
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void plumbError(const QString &error);
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private:
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PlumbReader *m_reader = nullptr;
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PlumbReader *m_ollieReader = nullptr;
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QString m_error;
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};
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#endif // PLUMBER_H
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