Browser
/* $Id$ */
/* Copyright (c) 2011-2018 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* TODO:
* - parse SVN's meta-data */
#include <sys/stat.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <string.h>
#include <libgen.h>
#include <errno.h>
#include <System.h>
#include "common.c"
/* Subversion */
/* private */
/* types */
typedef struct _CommonTask SVNTask;
typedef struct _BrowserPlugin
{
BrowserPluginHelper * helper;
char * filename;
guint source;
/* widgets */
GtkWidget * widget;
GtkWidget * name;
GtkWidget * status;
/* directory */
GtkWidget * directory;
/* file */
GtkWidget * file;
/* additional actions */
GtkWidget * add;
/* tasks */
SVNTask ** tasks;
size_t tasks_cnt;
} SVN;
/* constants */
#define PROGNAME_SVN "svn"
/* prototypes */
static SVN * _subversion_init(BrowserPluginHelper * helper);
static void _subversion_destroy(SVN * svn);
static GtkWidget * _subversion_get_widget(SVN * svn);
static void _subversion_refresh(SVN * svn, GList * selection);
/* accessors */
static String * _subversion_get_base(SVN * svn, char const * filename);
static gboolean _subversion_is_managed(SVN * svn, char const * filename);
/* useful */
static int _subversion_add_task(SVN * svn, char const * title,
char const * directory, char * argv[]);
/* callbacks */
static void _subversion_on_add(gpointer data);
static void _subversion_on_blame(gpointer data);
static void _subversion_on_commit(gpointer data);
static void _subversion_on_diff(gpointer data);
static void _subversion_on_log(gpointer data);
static void _subversion_on_status(gpointer data);
static void _subversion_on_update(gpointer data);
/* public */
/* variables */
/* plug-in */
BrowserPluginDefinition plugin =
{
N_("Subversion"),
"applications-development",
NULL,
_subversion_init,
_subversion_destroy,
_subversion_get_widget,
_subversion_refresh
};
/* private */
/* functions */
/* subversion_init */
static GtkWidget * _init_button(GtkSizeGroup * group, char const * icon,
char const * label, GCallback callback, gpointer data);
static SVN * _subversion_init(BrowserPluginHelper * helper)
{
SVN * svn;
PangoFontDescription * font;
GtkSizeGroup * group;
GtkWidget * widget;
if((svn = object_new(sizeof(*svn))) == NULL)
return NULL;
svn->helper = helper;
svn->filename = NULL;
svn->source = 0;
/* widgets */
svn->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
font = pango_font_description_new();
pango_font_description_set_weight(font, PANGO_WEIGHT_BOLD);
group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
/* label */
svn->name = gtk_label_new("");
gtk_label_set_ellipsize(GTK_LABEL(svn->name), PANGO_ELLIPSIZE_MIDDLE);
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_widget_override_font(svn->name, font);
g_object_set(svn->name, "halign", GTK_ALIGN_START, NULL);
#else
gtk_widget_modify_font(svn->name, font);
gtk_misc_set_alignment(GTK_MISC(svn->name), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(svn->widget), svn->name, FALSE, TRUE, 0);
svn->status = gtk_label_new("");
gtk_label_set_ellipsize(GTK_LABEL(svn->status), PANGO_ELLIPSIZE_END);
#if GTK_CHECK_VERSION(3, 0, 0)
g_object_set(svn->status, "halign", GTK_ALIGN_START, NULL);
#else
gtk_misc_set_alignment(GTK_MISC(svn->status), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(svn->widget), svn->status, FALSE, TRUE, 0);
/* directory */
svn->directory = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
widget = _init_button(group, GTK_STOCK_FIND_AND_REPLACE,
_("Diff"), G_CALLBACK(_subversion_on_diff), svn);
gtk_box_pack_start(GTK_BOX(svn->directory), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_FIND, _("View log"),
G_CALLBACK(_subversion_on_log), svn);
gtk_box_pack_start(GTK_BOX(svn->directory), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_PROPERTIES, _("Status"),
G_CALLBACK(_subversion_on_status), svn);
gtk_box_pack_start(GTK_BOX(svn->directory), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_REFRESH, _("Update"),
G_CALLBACK(_subversion_on_update), svn);
gtk_box_pack_start(GTK_BOX(svn->directory), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_JUMP_TO, _("Commit"),
G_CALLBACK(_subversion_on_commit), svn);
gtk_box_pack_start(GTK_BOX(svn->directory), widget, FALSE, TRUE, 0);
gtk_widget_show_all(svn->directory);
gtk_widget_set_no_show_all(svn->directory, TRUE);
gtk_box_pack_start(GTK_BOX(svn->widget), svn->directory, FALSE, TRUE,
0);
/* file */
svn->file = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
widget = _init_button(group, GTK_STOCK_FIND_AND_REPLACE,
_("Diff"), G_CALLBACK(_subversion_on_diff), svn);
gtk_box_pack_start(GTK_BOX(svn->file), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_INDEX, _("Annotate"),
G_CALLBACK(_subversion_on_blame), svn);
gtk_box_pack_start(GTK_BOX(svn->file), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_FIND, _("View log"),
G_CALLBACK(_subversion_on_log), svn);
gtk_box_pack_start(GTK_BOX(svn->file), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_PROPERTIES, _("Status"),
G_CALLBACK(_subversion_on_status), svn);
gtk_box_pack_start(GTK_BOX(svn->file), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_REFRESH, _("Update"),
G_CALLBACK(_subversion_on_update), svn);
gtk_box_pack_start(GTK_BOX(svn->file), widget, FALSE, TRUE, 0);
widget = _init_button(group, GTK_STOCK_JUMP_TO, _("Commit"),
G_CALLBACK(_subversion_on_commit), svn);
gtk_box_pack_start(GTK_BOX(svn->file), widget, FALSE, TRUE, 0);
gtk_widget_show_all(svn->file);
gtk_widget_set_no_show_all(svn->file, TRUE);
gtk_box_pack_start(GTK_BOX(svn->widget), svn->file, FALSE, TRUE, 0);
/* additional actions */
svn->add = _init_button(group, GTK_STOCK_ADD, _("Add to repository"),
G_CALLBACK(_subversion_on_add), svn);
gtk_box_pack_start(GTK_BOX(svn->widget), svn->add, FALSE, TRUE, 0);
gtk_widget_show_all(svn->widget);
pango_font_description_free(font);
/* tasks */
svn->tasks = NULL;
svn->tasks_cnt = 0;
return svn;
}
static GtkWidget * _init_button(GtkSizeGroup * group, char const * icon,
char const * label, GCallback callback, gpointer data)
{
GtkWidget * hbox;
GtkWidget * image;
GtkWidget * widget;
char const stock[] = "gtk-";
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
widget = gtk_button_new_with_label(label);
gtk_size_group_add_widget(group, widget);
if(icon != NULL)
{
if(strncmp(icon, stock, sizeof(stock) - 1) == 0)
image = gtk_image_new_from_stock(icon,
GTK_ICON_SIZE_BUTTON);
else
image = gtk_image_new_from_icon_name(icon,
GTK_ICON_SIZE_BUTTON);
gtk_button_set_image(GTK_BUTTON(widget), image);
}
g_signal_connect_swapped(widget, "clicked", callback, data);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
return hbox;
}
/* subversion_destroy */
static void _subversion_destroy(SVN * svn)
{
size_t i;
for(i = 0; i < svn->tasks_cnt; i++)
_common_task_delete(svn->tasks[i]);
free(svn->tasks);
if(svn->source != 0)
g_source_remove(svn->source);
object_delete(svn);
}
/* subversion_get_widget */
static GtkWidget * _subversion_get_widget(SVN * svn)
{
return svn->widget;
}
/* subversion_refresh */
static void _refresh_dir(SVN * svn);
static void _refresh_error(SVN * svn, char const * message);
static void _refresh_hide(SVN * svn, gboolean name);
static void _refresh_status(SVN * svn, char const * status);
static void _subversion_refresh(SVN * svn, GList * selection)
{
char * path = (selection != NULL) ? selection->data : NULL;
struct stat st;
gchar * p;
if(svn->source != 0)
g_source_remove(svn->source);
free(svn->filename);
svn->filename = NULL;
if(path == NULL || selection->next != NULL)
{
_refresh_hide(svn, TRUE);
return;
}
if(lstat(path, &st) != 0 || (svn->filename = strdup(path)) == NULL)
{
_refresh_hide(svn, TRUE);
if(errno != ENOENT)
_refresh_error(svn, path);
return;
}
p = g_filename_display_basename(path);
gtk_label_set_text(GTK_LABEL(svn->name), p);
g_free(p);
_refresh_hide(svn, FALSE);
if(S_ISDIR(st.st_mode))
_refresh_dir(svn);
}
static void _refresh_dir(SVN * svn)
{
char const dir[] = "/.svn";
size_t len = strlen(svn->filename);
char * p;
struct stat st;
/* consider ".svn" folders like their parent */
if((len = strlen(svn->filename)) >= (sizeof(dir) - 1)
&& strcmp(&svn->filename[len - 4], dir) == 0)
svn->filename[len - 4] = '\0';
/* check if it is an old SVN repository */
len = strlen(svn->filename) + sizeof(dir) + 1;
if((p = malloc(len)) != NULL)
{
snprintf(p, len, "%s%s", svn->filename, dir);
if(lstat(p, &st) == 0)
{
free(p);
gtk_widget_show(svn->directory);
return;
}
}
free(p);
/* check if it is a newer SVN repository */
if(_subversion_is_managed(svn, svn->filename))
gtk_widget_show(svn->directory);
else
_refresh_status(svn, _("Not a Subversion repository"));
}
static void _refresh_error(SVN * svn, char const * message)
{
BrowserPluginHelper * helper = svn->helper;
error_set("%s: %s", message, strerror(errno));
helper->error(helper->browser, error_get(NULL), 1);
}
static void _refresh_hide(SVN * svn, gboolean name)
{
name ? gtk_widget_hide(svn->name) : gtk_widget_show(svn->name);
_refresh_status(svn, NULL);
gtk_widget_hide(svn->directory);
gtk_widget_hide(svn->file);
gtk_widget_hide(svn->add);
}
static void _refresh_status(SVN * svn, char const * status)
{
if(status == NULL)
status = "";
gtk_label_set_text(GTK_LABEL(svn->status), status);
}
/* accessors */
/* subversion_get_base */
static String * _subversion_get_base(SVN * svn, char const * filename)
{
String * cur;
String * dir;
String * p;
struct stat st;
int res;
(void) svn;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, filename);
#endif
cur = g_path_get_dirname(filename);
for(dir = cur; string_compare(dir, ".") != 0;
dir = g_path_get_dirname(cur))
{
g_free(cur);
cur = dir;
if((p = string_new_append(dir, "/.svn", NULL)) == NULL)
break;
res = lstat(p, &st);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() \"%s\" %d\n", __func__, p, res);
#endif
if(res == 0)
{
g_free(cur);
return p;
}
if(string_compare(dir, "/") == 0)
break;
}
g_free(cur);
return NULL;
}
/* subversion_is_managed */
static gboolean _subversion_is_managed(SVN * svn, char const * filename)
{
String * base;
if((base = _subversion_get_base(svn, filename)) != NULL)
{
/* FIXME check if this file is managed */
string_delete(base);
return TRUE;
}
return FALSE;
}
/* useful */
/* subversion_add_task */
static int _subversion_add_task(SVN * svn, char const * title,
char const * directory, char * argv[])
{
BrowserPluginHelper * helper = svn->helper;
SVNTask ** p;
SVNTask * task;
if((p = realloc(svn->tasks, sizeof(*p) * (svn->tasks_cnt + 1))) == NULL)
return -helper->error(helper->browser, strerror(errno), 1);
svn->tasks = p;
if((task = _common_task_new(helper, &plugin, title, directory, argv,
NULL, NULL)) == NULL)
return -helper->error(helper->browser, error_get(NULL), 1);
svn->tasks[svn->tasks_cnt++] = task;
return 0;
}
/* callbacks */
/* subversion_on_add */
static void _subversion_on_add(gpointer data)
{
SVN * svn = data;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "add", "--", NULL, NULL };
if(svn->filename == NULL)
return;
dirname = g_path_get_dirname(svn->filename);
basename = g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn add", dirname, argv);
g_free(basename);
g_free(dirname);
}
/* subversion_on_blame */
static void _subversion_on_blame(gpointer data)
{
SVN * svn = data;
struct stat st;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "blame", "--", NULL, NULL };
if(svn->filename == NULL || lstat(svn->filename, &st) != 0)
return;
dirname = S_ISDIR(st.st_mode) ? g_strdup(svn->filename)
: g_path_get_dirname(svn->filename);
basename = S_ISDIR(st.st_mode) ? NULL
: g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn blame", dirname, argv);
g_free(basename);
g_free(dirname);
}
/* subversion_on_commit */
static void _subversion_on_commit(gpointer data)
{
SVN * svn = data;
struct stat st;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "commit", "--", NULL, NULL };
if(svn->filename == NULL || lstat(svn->filename, &st) != 0)
return;
dirname = S_ISDIR(st.st_mode) ? g_strdup(svn->filename)
: g_path_get_dirname(svn->filename);
basename = S_ISDIR(st.st_mode) ? NULL
: g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn commit", dirname, argv);
g_free(basename);
g_free(dirname);
}
/* subversion_on_diff */
static void _subversion_on_diff(gpointer data)
{
SVN * svn = data;
struct stat st;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "diff", "--", NULL, NULL };
if(svn->filename == NULL || lstat(svn->filename, &st) != 0)
return;
dirname = S_ISDIR(st.st_mode) ? g_strdup(svn->filename)
: g_path_get_dirname(svn->filename);
basename = S_ISDIR(st.st_mode) ? NULL
: g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn diff", dirname, argv);
g_free(basename);
g_free(dirname);
}
/* subversion_on_log */
static void _subversion_on_log(gpointer data)
{
SVN * svn = data;
struct stat st;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "log", "--", NULL, NULL };
if(svn->filename == NULL || lstat(svn->filename, &st) != 0)
return;
dirname = S_ISDIR(st.st_mode) ? g_strdup(svn->filename)
: g_path_get_dirname(svn->filename);
basename = S_ISDIR(st.st_mode) ? NULL
: g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn log", dirname, argv);
g_free(basename);
g_free(dirname);
}
/* subversion_on_status */
static void _subversion_on_status(gpointer data)
{
SVN * svn = data;
struct stat st;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "status", "--", NULL, NULL };
if(svn->filename == NULL || lstat(svn->filename, &st) != 0)
return;
dirname = S_ISDIR(st.st_mode) ? g_strdup(svn->filename)
: g_path_get_dirname(svn->filename);
basename = S_ISDIR(st.st_mode) ? NULL
: g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn status", dirname, argv);
g_free(basename);
g_free(dirname);
}
/* subversion_on_update */
static void _subversion_on_update(gpointer data)
{
SVN * svn = data;
struct stat st;
gchar * dirname;
gchar * basename;
char * argv[] = { PROGNAME_SVN, "update", "--", NULL, NULL };
if(svn->filename == NULL || lstat(svn->filename, &st) != 0)
return;
dirname = S_ISDIR(st.st_mode) ? g_strdup(svn->filename)
: g_path_get_dirname(svn->filename);
basename = S_ISDIR(st.st_mode) ? NULL
: g_path_get_basename(svn->filename);
argv[3] = basename;
_subversion_add_task(svn, "svn update", dirname, argv);
g_free(basename);
g_free(dirname);
}