badwolf

commit: 1afe2e700ebcf81cac37d95a9955620688eafa77
parent ab49503d9ff05e5894dc6c4f1d136c1dde2f6c50
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Tue,  4 Jun 2024 14:58:23 +0200

Add man: scheme handling

Diffstat:
M
badwolf.1
8
++++++++
M
badwolf.c
3
+++
M
badwolf.desktop
2
+-
M
badwolf.h
1
+
M
config.h
5
+++++
M
configure
4
++--
A
man_uri_scheme.c
45
+++++++++++++++++++++++++++++++++++++++++++++

7 files changed, 65 insertions(+), 3 deletions(-)
diff --git a/badwolf.1 b/badwolf.1
@@ -23,6 +23,14 @@ Disable Images.
 .It Fl S
 Enable JavaScript.
 .El
+.Sh CUSTOM SCHEMES
+.Nm
+supports the
+.Ql man:
+scheme, where for example
+.Xr man 1
+maps to
+.Lk man:man.1
 .Sh KEYBINDINGS
 The following section lists the keybinding by their action, each item is described by the widget the focus is on or
 .Aq any
diff --git a/badwolf.c b/badwolf.c
@@ -739,6 +739,9 @@ new_browser(const gchar *target_url, struct Client *old_browser)
 
 			webkit_web_context_set_spell_checking_enabled(web_context, TRUE);
 		}
+
+		webkit_web_context_register_uri_scheme(
+		    web_context, "man", man_uri_scheme_request_cb, NULL, NULL);
 	}
 
 	WebKitSettings *settings = webkit_settings_new_with_settings(BADWOLF_WEBKIT_SETTINGS);
diff --git a/badwolf.desktop b/badwolf.desktop
@@ -19,5 +19,5 @@ Keywords=Internet;WWW;Browser;Web;WebKit;WebKitGTK
 Keywords[fr]=Internet;WWW;Browser;Web;Surfer;Navigateur;WebKit;WebKitGTK
 Keywords[sr]=Internet;WWW;Browser;Web;WebKit;WebKitGTK;Интернет;Веб;Читач
 Keywords[tr]=Internet;WWW;Browser;Web;WebKit;WebKitGTK;İnternet;Tarayıcı;
-MimeType=text/html;text/xml;application/xhtml+xml;x-scheme-handler/http;x-scheme-handler/https
+MimeType=text/html;text/xml;application/xhtml+xml;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/man
 Name=Badwolf
diff --git a/badwolf.h b/badwolf.h
@@ -58,4 +58,5 @@ void webView_tab_label_change(struct Client *browser, const gchar *title);
 struct Client *new_browser(const gchar *target_url, struct Client *old_browser);
 int badwolf_new_tab(GtkNotebook *notebook, struct Client *browser, bool auto_switch);
 gint badwolf_get_tab_position(GtkContainer *notebook, GtkWidget *child);
+extern void man_uri_scheme_request_cb(WebKitURISchemeRequest *request, gpointer user_data);
 #endif /* BADWOLF_H_INCLUDED */
diff --git a/config.h b/config.h
@@ -109,4 +109,9 @@
 // BADWOLF_LOCATION_INLINE_SELECTION: show selected completion as a selection in location entry
 #define BADWOLF_LOCATION_INLINE_SELECTION TRUE
 
+// BADWOLF_MAN_HTML_CMD: Command to render manpages to HTML.
+// Needs to support `[section] name` as additional arguments.
+// Default one made for mandoc
+#define BADWOLF_MAN_HTML_CMD "man", "-Thtml", "-Oman=man:%N.%S", "-Otoc"
+
 #endif /* CONFIG_H_INCLUDED */
diff --git a/configure b/configure
@@ -6,8 +6,8 @@ VERSION=1.2.0
 VERSION_FULL=${VERSION}$(./version.sh)
 DEPS="gtk+-3.0 libxml-2.0"
 
-SRCS="bookmarks.c userscripts.c fmt.c fmt_test.c uri.c uri_test.c keybindings.c downloads.c badwolf.c"
-OBJS="bookmarks.o userscripts.o fmt.o uri.o keybindings.o downloads.o badwolf.o"
+SRCS="bookmarks.c userscripts.c fmt.c fmt_test.c uri.c uri_test.c keybindings.c downloads.c badwolf.c man_uri_scheme.c"
+OBJS="bookmarks.o userscripts.o fmt.o uri.o keybindings.o downloads.o badwolf.o man_uri_scheme.o"
 OBJS_test="fmt_test.o uri_test.o bookmarks_test.o"
 EXE=badwolf
 EXE_test="fmt_test uri_test bookmarks_test"
diff --git a/man_uri_scheme.c b/man_uri_scheme.c
@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2019 Badwolf Authors <https://hacktivis.me/projects/badwolf>
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include "badwolf.h"
+#include "config.h"
+
+void
+man_uri_scheme_request_cb(WebKitURISchemeRequest *request, gpointer user_data)
+{
+	const char *req_path = webkit_uri_scheme_request_get_path(request);
+
+	if(req_path == NULL || req_path[0] == 0) req_path = "man";
+
+	char *path = strdup(req_path);
+
+	char *man_ref[2] = {path, NULL};
+
+	char *sep = strrchr(path, '.');
+	if(sep)
+	{
+		sep[0]     = 0;
+		man_ref[0] = sep + 1;
+		man_ref[1] = path;
+	}
+
+	GSubprocessFlags flags_subproc = G_SUBPROCESS_FLAGS_STDOUT_PIPE | G_SUBPROCESS_FLAGS_STDERR_MERGE;
+
+	GError *error_proc    = NULL;
+	GSubprocess *man_proc = g_subprocess_new(
+	    flags_subproc, &error_proc, BADWOLF_MAN_HTML_CMD, man_ref[0], man_ref[1], NULL);
+	if(error_proc != NULL)
+	{
+		webkit_uri_scheme_request_finish_error(request, error_proc);
+		free(path);
+		return;
+	}
+
+	GInputStream *stream = g_subprocess_get_stdout_pipe(man_proc);
+
+	// Pipe the contents out, can't wait beforehand as the buffer needs to drain on large manpages
+	webkit_uri_scheme_request_finish(request, stream, -1, "text/html");
+
+	free(path);
+	g_object_unref(stream);
+}