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netsurf/frontends/gtk/viewdata.c
Vincent Sanders 75018632a9 Use coccinelle to change logging macro calls in c files 
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done

@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 18:45:27 +01:00

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/*
* Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file
* generic data viewer implementation.
*
* This viewer can be used for utf-8 encoded chunk of data. Thie data
* might be page source or the debugging of dom or box trees. It will
* show the data in a tab, window or editor as per user configuration.
*/
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#define _WITH_GETLINE /* necessary for FreeBSD */
#include <stdio.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include "utils/log.h"
#include "utils/nsoption.h"
#include "utils/utf8.h"
#include "utils/messages.h"
#include "utils/utils.h"
#include "utils/file.h"
#include "utils/filepath.h"
#include "utils/nsurl.h"
#include "netsurf/browser_window.h"
#include "gtk/warn.h"
#include "gtk/about.h"
#include "gtk/fetch.h"
#include "gtk/compat.h"
#include "gtk/resources.h"
#include "gtk/viewdata.h"
struct nsgtk_viewdata_ctx {
char *data;
size_t data_len;
char *filename;
GtkBuilder *builder; /**< The gtk builder that built the widgets. */
GtkWindow *window; /**< handle to gtk window (builder holds reference) */
GtkTextView *gv; /**< handle to gtk text view (builder holds reference) */
struct nsgtk_viewdata_ctx *next;
struct nsgtk_viewdata_ctx *prev;
};
struct menu_events {
const char *widget;
GCallback handler;
};
static struct nsgtk_viewdata_ctx *nsgtk_viewdata_list = NULL;
static char viewdata_zoomlevel = 10;
#define MENUEVENT(x) { #x, G_CALLBACK(nsgtk_on_##x##_activate) }
#define MENUPROTO(x) static gboolean nsgtk_on_##x##_activate( \
GtkMenuItem *widget, gpointer g)
MENUPROTO(viewdata_save_as);
MENUPROTO(viewdata_print);
MENUPROTO(viewdata_close);
MENUPROTO(viewdata_select_all);
MENUPROTO(viewdata_cut);
MENUPROTO(viewdata_copy);
MENUPROTO(viewdata_paste);
MENUPROTO(viewdata_delete);
MENUPROTO(viewdata_zoom_in);
MENUPROTO(viewdata_zoom_out);
MENUPROTO(viewdata_zoom_normal);
MENUPROTO(viewdata_about);
static struct menu_events viewdata_menu_events[] = {
MENUEVENT(viewdata_save_as),
MENUEVENT(viewdata_print),
MENUEVENT(viewdata_close),
MENUEVENT(viewdata_select_all),
MENUEVENT(viewdata_cut),
MENUEVENT(viewdata_copy),
MENUEVENT(viewdata_paste),
MENUEVENT(viewdata_delete),
MENUEVENT(viewdata_zoom_in),
MENUEVENT(viewdata_zoom_out),
MENUEVENT(viewdata_zoom_normal),
MENUEVENT(viewdata_about),
{NULL, NULL}
};
static void nsgtk_attach_viewdata_menu_handlers(GtkBuilder *xml, gpointer g)
{
struct menu_events *event = viewdata_menu_events;
while (event->widget != NULL)
{
GtkWidget *w = GTK_WIDGET(gtk_builder_get_object(xml, event->widget));
g_signal_connect(G_OBJECT(w), "activate", event->handler, g);
event++;
}
}
static gboolean nsgtk_viewdata_destroy_event(GtkBuilder *window, gpointer g)
{
struct nsgtk_viewdata_ctx *vdctx = (struct nsgtk_viewdata_ctx *)g;
if (vdctx->next != NULL) {
vdctx->next->prev = vdctx->prev;
}
if (vdctx->prev != NULL) {
vdctx->prev->next = vdctx->next;
} else {
nsgtk_viewdata_list = vdctx->next;
}
/* release the data */
free(vdctx->data);
/* free the builder */
g_object_unref(G_OBJECT(vdctx->builder));
/* free the context structure */
free(vdctx);
return FALSE;
}
static gboolean nsgtk_viewdata_delete_event(GtkWindow * window, gpointer g)
{
return FALSE;
}
static void nsgtk_viewdata_file_save(GtkWindow *parent, const char *filename,
const char *data, size_t data_size)
{
FILE *f;
GtkWidget *notif;
GtkWidget *label;
f = fopen(filename, "w+");
if (f != NULL) {
fwrite(data, data_size, 1, f);
fclose(f);
return;
}
/* inform user of faliure */
notif = gtk_dialog_new_with_buttons(messages_get("gtkSaveFailedTitle"),
parent,
GTK_DIALOG_MODAL,
NSGTK_STOCK_OK,
GTK_RESPONSE_NONE,
NULL);
g_signal_connect_swapped(notif, "response",
G_CALLBACK(gtk_widget_destroy), notif);
label = gtk_label_new(messages_get("gtkSaveFailed"));
gtk_container_add(GTK_CONTAINER(nsgtk_dialog_get_content_area(GTK_DIALOG(notif))), label);
gtk_widget_show_all(notif);
}
gboolean nsgtk_on_viewdata_save_as_activate(GtkMenuItem *widget, gpointer g)
{
struct nsgtk_viewdata_ctx *nsg = (struct nsgtk_viewdata_ctx *) g;
GtkWidget *fc;
fc = gtk_file_chooser_dialog_new(messages_get("gtkSaveFile"),
nsg->window,
GTK_FILE_CHOOSER_ACTION_SAVE,
NSGTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
NSGTK_STOCK_SAVE,
GTK_RESPONSE_ACCEPT,
NULL);
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(fc), nsg->filename);
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(fc),
TRUE);
if (gtk_dialog_run(GTK_DIALOG(fc)) == GTK_RESPONSE_ACCEPT) {
char *filename;
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fc));
nsgtk_viewdata_file_save(nsg->window, filename, nsg->data, nsg->data_len);
g_free(filename);
}
gtk_widget_destroy(fc);
return TRUE;
}
gboolean nsgtk_on_viewdata_print_activate( GtkMenuItem *widget, gpointer g)
{
/* correct printing */
return TRUE;
}
gboolean nsgtk_on_viewdata_close_activate( GtkMenuItem *widget, gpointer g)
{
struct nsgtk_viewdata_ctx *nsg = (struct nsgtk_viewdata_ctx *) g;
gtk_widget_destroy(GTK_WIDGET(nsg->window));
return TRUE;
}
gboolean nsgtk_on_viewdata_select_all_activate (GtkMenuItem *widget, gpointer g)
{
struct nsgtk_viewdata_ctx *nsg = (struct nsgtk_viewdata_ctx *) g;
GtkTextBuffer *buf = gtk_text_view_get_buffer(nsg->gv);
GtkTextIter start, end;
gtk_text_buffer_get_bounds(buf, &start, &end);
gtk_text_buffer_select_range(buf, &start, &end);
return TRUE;
}
gboolean nsgtk_on_viewdata_cut_activate(GtkMenuItem *widget, gpointer g)
{
return TRUE;
}
gboolean nsgtk_on_viewdata_copy_activate(GtkMenuItem *widget, gpointer g)
{
struct nsgtk_viewdata_ctx *nsg = (struct nsgtk_viewdata_ctx *) g;
GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(nsg->gv));
gtk_text_buffer_copy_clipboard(buf,
gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
return TRUE;
}
gboolean nsgtk_on_viewdata_paste_activate(GtkMenuItem *widget, gpointer g)
{
return TRUE;
}
gboolean nsgtk_on_viewdata_delete_activate(GtkMenuItem *widget, gpointer g)
{
return TRUE;
}
static void nsgtk_viewdata_update_zoomlevel(gpointer g)
{
struct nsgtk_viewdata_ctx *nsg;
GtkTextBuffer *buf;
GtkTextTagTable *tab;
GtkTextTag *tag;
nsg = nsgtk_viewdata_list;
while (nsg) {
if (nsg->gv) {
buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(nsg->gv));
tab = gtk_text_buffer_get_tag_table(
GTK_TEXT_BUFFER(buf));
tag = gtk_text_tag_table_lookup(tab, "zoomlevel");
if (!tag) {
tag = gtk_text_tag_new("zoomlevel");
gtk_text_tag_table_add(tab, GTK_TEXT_TAG(tag));
}
gdouble fscale = ((gdouble) viewdata_zoomlevel) / 10;
g_object_set(GTK_TEXT_TAG(tag), "scale", fscale, NULL);
GtkTextIter start, end;
gtk_text_buffer_get_bounds(GTK_TEXT_BUFFER(buf),
&start, &end);
gtk_text_buffer_remove_all_tags(GTK_TEXT_BUFFER(buf),
&start, &end);
gtk_text_buffer_apply_tag(GTK_TEXT_BUFFER(buf),
GTK_TEXT_TAG(tag), &start, &end);
}
nsg = nsg->next;
}
}
gboolean nsgtk_on_viewdata_zoom_in_activate(GtkMenuItem *widget, gpointer g)
{
viewdata_zoomlevel++;
nsgtk_viewdata_update_zoomlevel(g);
return TRUE;
}
gboolean nsgtk_on_viewdata_zoom_out_activate(GtkMenuItem *widget, gpointer g)
{
if (viewdata_zoomlevel > 1) {
viewdata_zoomlevel--;
nsgtk_viewdata_update_zoomlevel(g);
}
return TRUE;
}
gboolean nsgtk_on_viewdata_zoom_normal_activate(GtkMenuItem *widget, gpointer g)
{
viewdata_zoomlevel = 10;
nsgtk_viewdata_update_zoomlevel(g);
return TRUE;
}
gboolean nsgtk_on_viewdata_about_activate(GtkMenuItem *widget, gpointer g)
{
struct nsgtk_viewdata_ctx *nsg = (struct nsgtk_viewdata_ctx *) g;
nsgtk_about_dialog_init(nsg->window);
return TRUE;
}
/**
* View the data in a gtk text window.
*/
static nserror
window_init(const char *title,
const char *filename,
char *ndata,
size_t ndata_len)
{
GtkWindow *window;
GtkWidget *cutbutton;
GtkWidget *pastebutton;
GtkWidget *deletebutton;
GtkWidget *printbutton;
GtkTextView *dataview;
PangoFontDescription *fontdesc;
GtkTextBuffer *tb;
struct nsgtk_viewdata_ctx *newctx;
nserror res;
newctx = malloc(sizeof(struct nsgtk_viewdata_ctx));
if (newctx == NULL) {
return NSERROR_NOMEM;
}
res = nsgtk_builder_new_from_resname("viewdata", &newctx->builder);
if (res != NSERROR_OK) {
NSLOG(netsurf, INFO, "Viewdata UI builder init failed");
free(newctx);
return res;
}
gtk_builder_connect_signals(newctx->builder, NULL);
window = GTK_WINDOW(gtk_builder_get_object(newctx->builder,
"ViewDataWindow"));
if (window == NULL) {
NSLOG(netsurf, INFO, "Unable to find window in builder ");
/* free the builder */
g_object_unref(G_OBJECT(newctx->builder));
/* free the context structure */
free(newctx);
return NSERROR_INIT_FAILED;
}
cutbutton = GTK_WIDGET(gtk_builder_get_object(newctx->builder, "viewdata_cut"));
pastebutton = GTK_WIDGET(gtk_builder_get_object(newctx->builder, "viewdata_paste"));
deletebutton = GTK_WIDGET(gtk_builder_get_object(newctx->builder, "viewdata_delete"));
printbutton = GTK_WIDGET(gtk_builder_get_object(newctx->builder, "viewdata_print"));
gtk_widget_set_sensitive(cutbutton, FALSE);
gtk_widget_set_sensitive(pastebutton, FALSE);
gtk_widget_set_sensitive(deletebutton, FALSE);
/* for now */
gtk_widget_set_sensitive(printbutton, FALSE);
newctx->filename = strdup(filename);
newctx->data = ndata;
newctx->data_len = ndata_len;
newctx->window = window;
newctx->next = nsgtk_viewdata_list;
newctx->prev = NULL;
if (nsgtk_viewdata_list != NULL) {
nsgtk_viewdata_list->prev = newctx;
}
nsgtk_viewdata_list = newctx;
nsgtk_attach_viewdata_menu_handlers(newctx->builder, newctx);
gtk_window_set_title(window, title);
g_signal_connect(G_OBJECT(window), "destroy",
G_CALLBACK(nsgtk_viewdata_destroy_event),
newctx);
g_signal_connect(G_OBJECT(window), "delete-event",
G_CALLBACK(nsgtk_viewdata_delete_event),
newctx);
dataview = GTK_TEXT_VIEW(gtk_builder_get_object(newctx->builder,
"viewdata_view"));
fontdesc = pango_font_description_from_string("Monospace 8");
newctx->gv = dataview;
nsgtk_widget_modify_font(GTK_WIDGET(dataview), fontdesc);
tb = gtk_text_view_get_buffer(dataview);
gtk_text_buffer_set_text(tb, newctx->data, -1);
gtk_widget_show(GTK_WIDGET(window));
return NSERROR_OK;
}
/**
* open a window to dispaly an existing file.
*/
static nserror
window_init_fname(const char *title,
const char *leafname,
const char *filename)
{
nserror ret;
FILE *f;
char *ndata;
long tell_len;
size_t ndata_len;
f = fopen(filename, "r");
if (f == NULL) {
return NSERROR_NOT_FOUND;
}
if (fseek(f, 0, SEEK_END) != 0) {
fclose(f);
return NSERROR_BAD_SIZE;
}
tell_len = ftell(f);
if (tell_len == -1) {
fclose(f);
return NSERROR_BAD_SIZE;
}
if (fseek(f, 0, SEEK_SET) != 0) {
fclose(f);
return NSERROR_BAD_SIZE;
}
ndata = malloc(tell_len);
ndata_len = fread(ndata, 1, tell_len, f);
fclose(f);
/* window init takes ownership of the ndata if there is no error */
ret = window_init(title, leafname, ndata, ndata_len);
if (ret != NSERROR_OK) {
free(ndata);
}
return ret;
}
/**
* open a new tab from an existing file.
*/
static nserror
tab_init_fname(const char *title,
const char *leafname,
const char *fname)
{
nsurl *url;
nserror ret;
/* Open tab on temporary file */
ret = netsurf_path_to_nsurl(fname, &url);
if (ret != NSERROR_OK) {
return ret;
}
/* open tab on temportary file */
ret = browser_window_create(BW_CREATE_TAB | BW_CREATE_HISTORY, url, NULL, NULL, NULL);
nsurl_unref(url);
if (ret != NSERROR_OK) {
return ret;
}
return NSERROR_OK;
}
/**
* create a new tab from data.
*/
static nserror
tab_init(const char *title,
const char *leafname,
char *ndata,
size_t ndata_len)
{
nserror ret;
gchar *fname;
gint handle;
FILE *f;
handle = g_file_open_tmp("nsgtkdataXXXXXX", &fname, NULL);
if ((handle == -1) || (fname == NULL)) {
return NSERROR_SAVE_FAILED;
}
close(handle); /* in case it was binary mode */
/* save data to temporary file */
f = fopen(fname, "w");
if (f == NULL) {
nsgtk_warning(messages_get("gtkSourceTabError"), 0);
g_free(fname);
return NSERROR_SAVE_FAILED;
}
fprintf(f, "%s", ndata);
fclose(f);
ret = tab_init_fname(title, leafname, fname);
if (ret == NSERROR_OK) {
free(ndata);
}
g_free(fname);
return ret;
}
/**
* Build string vector of search path.
*
* ${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}
*
* $XDG_DATA_HOME if empty use $HOME/.local/share
*
* XDG_DATA_DIRS if empty use /usr/local/share/:/usr/share/
*
* \return string vector of search pathnames or NULL on error.
*/
static char** xdg_data_strvec(void)
{
const char *xdg_data_dirs;
const char *xdg_data_home;
const char *home_dir;
char *xdg_data_path;
int xdg_data_size;
char **svec;
xdg_data_dirs = getenv("XDG_DATA_DIRS");
if ((xdg_data_dirs == NULL) ||
(*xdg_data_dirs == 0) ||
(strlen(xdg_data_dirs) > 4096)) {
xdg_data_dirs = "/usr/local/share/:/usr/share/";
}
xdg_data_home = getenv("XDG_DATA_HOME");
if ((xdg_data_home == NULL) ||
(*xdg_data_home == 0) ||
(strlen(xdg_data_home) > 4096)) {
/* $XDG_DATA_HOME is empty use $HOME/.local/share */
home_dir = getenv("HOME");
if ((home_dir == NULL) ||
(*home_dir == 0) ||
(strlen(home_dir) > 4096)) {
xdg_data_path = strdup(xdg_data_dirs);
} else {
xdg_data_size = strlen(home_dir) +
SLEN("/.local/share:") +
strlen(xdg_data_dirs) + 1;
xdg_data_path = malloc(xdg_data_size);
snprintf(xdg_data_path, xdg_data_size ,
"%s/.local/share/:%s",
home_dir, xdg_data_dirs);
}
} else {
xdg_data_size = strlen(xdg_data_home) +
strlen(xdg_data_dirs) + 2;
xdg_data_path = malloc(xdg_data_size);
snprintf(xdg_data_path, xdg_data_size , "%s:%s",
xdg_data_home, xdg_data_dirs);
}
NSLOG(netsurf, INFO, "%s", xdg_data_path);
svec = filepath_path_to_strvec(xdg_data_path);
free(xdg_data_path);
return svec;
}
/**
* Search application defaults file for matching mime type.
*
* create filename form path and applications/defaults.list
*
* look for [Default Applications]
* search lines looking like mime/type=Desktop
*
* \param path The base path.
* \param mimetype The mimetype to search for.
* \return The desktop file associated with the mime type or NULL if not found.
*/
static char *xdg_get_default_app(const char *path, const char *mimetype)
{
FILE *fp;
char *line = NULL;
size_t len = 0;
ssize_t rd;
int fname_len;
char *fname;
int mimetype_len;
char *ret = NULL;
fname_len = strlen(path) + SLEN("/applications/defaults.list") + 1;
fname = malloc(fname_len);
snprintf(fname, fname_len, "%s/applications/defaults.list", path);
NSLOG(netsurf, INFO, "Checking %s", fname);
fp = fopen(fname, "r");
free(fname);
if (fp == NULL) {
return NULL;
}
mimetype_len = strlen(mimetype);
while ((rd = getline(&line, &len, fp)) != -1) {
/* line includes line endings if present, remove them */
while ((line[rd - 1] == '\n') || (line[rd - 1] == '\r')) {
rd--;
}
line[rd] = 0;
/* look for mimetype */
if ((rd > mimetype_len) &&
(line[mimetype_len] == '=') &&
(strncmp(line, mimetype, mimetype_len) == 0)) {
ret = strdup(line + mimetype_len + 1);
NSLOG(netsurf, INFO,
"Found line match for %s length %zu\n",
mimetype,
rd);
NSLOG(netsurf, INFO, "Result %s", ret);
break;
}
}
free(line);
fclose(fp);
return ret;
}
/**
* Search desktop file for an Exec line.
*
* search path is combined with applications/application.desktop to
* create a filename.
*
* Desktop file format http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
*
* \todo The parsing of the desktop file is badly incomplete and needs
* improving. For example the handling of the = delimiter is wrong and
* selection from the "Desktop Entry" group is completely absent.
*
*/
static char *xdg_get_exec_cmd(const char *path, const char *desktop)
{
FILE *fp;
char *line = NULL;
size_t len = 0;
ssize_t rd;
int fname_len;
char *fname;
char *ret = NULL;
fname_len = strlen(path) + SLEN("/applications/") + strlen(desktop) + 1;
fname = malloc(fname_len);
snprintf(fname, fname_len, "%s/applications/%s", path, desktop);
NSLOG(netsurf, INFO, "Checking %s", fname);
fp = fopen(fname, "r");
free(fname);
if (fp == NULL) {
return NULL;
}
while ((rd = getline(&line, &len, fp)) != -1) {
/* line includes line endings if present, remove them */
while ((line[rd - 1] == '\n') || (line[rd - 1] == '\r')) {
rd--;
}
line[rd] = 0;
/* look for mimetype */
if ((rd > (ssize_t)SLEN("Exec=")) &&
(strncmp(line, "Exec=", SLEN("Exec=")) == 0)) {
ret = strdup(line + SLEN("Exec="));
NSLOG(netsurf, INFO, "Found Exec length %zu", rd);
NSLOG(netsurf, INFO, "Result %s", ret);
break;
}
}
free(line);
fclose(fp);
return ret;
}
static char *exec_arg(const char *arg, int len, const char *fname)
{
char *res = NULL;
if (*arg == '%') {
arg++;
if ((*arg == 'f') || (*arg == 'F') ||
(*arg == 'u') || (*arg == 'U')) {
res = strdup(fname);
}
} else {
res = calloc(1, len + 1);
if (res != NULL) {
memcpy(res, arg, len);
}
}
return res;
}
/**
* Build vector for executing app.
*/
static char **build_exec_argv(const char *fname, const char *exec_cmd)
{
char **argv;
const char *start; /* current arguments start */
const char *cur; /* current ptr within exec cmd */
int aidx = 0; /* argv index */
argv = calloc(10, sizeof(char *));
if (argv == NULL) {
return NULL;
}
cur = exec_cmd;
while (*cur != 0) {
/* skip whitespace */
while ((*cur != 0) && (*cur == ' ')) {
cur++;
}
if (*cur == 0) {
break;
}
start = cur;
/* find end of element */
while ((*cur != 0) && (*cur != ' ')) {
cur++;
}
argv[aidx] = exec_arg(start, cur - start, fname);
if (argv[aidx] != NULL) {
NSLOG(netsurf, INFO, "adding \"%s\"", argv[aidx]);
aidx++;
}
}
/* if no arguments were found there was nothing to execute */
if (aidx == 0) {
free(argv);
return NULL;
}
return argv;
}
/**
* open an editor from an existing file.
*/
static nserror
editor_init_fname(const char *title,
const char *leafname,
const char *fname)
{
char **xdg_data_vec;
int veci;
/* desktop file of default app for mimetype */
char *def_app_desktop = NULL;
char *exec_cmd = NULL;
char **argv;
/* build string vector of search path */
xdg_data_vec = xdg_data_strvec();
/* find user configured app for opening text/plain */
veci = 0;
while (xdg_data_vec[veci] != NULL) {
def_app_desktop = xdg_get_default_app(xdg_data_vec[veci],
"text/plain");
if (def_app_desktop != NULL) {
break;
}
veci++;
}
if (def_app_desktop == NULL) {
/* no default app */
filepath_free_strvec(xdg_data_vec);
return NSERROR_NOT_FOUND;
}
/* find app to execute */
veci = 0;
while (xdg_data_vec[veci] != NULL) {
exec_cmd = xdg_get_exec_cmd(xdg_data_vec[veci], def_app_desktop);
if (exec_cmd != NULL) {
break;
}
veci++;
}
free(def_app_desktop);
filepath_free_strvec(xdg_data_vec);
if (exec_cmd == NULL) {
/* no exec entry */
return NSERROR_NOT_FOUND;
}
/* build exec vector */
argv = build_exec_argv(fname, exec_cmd);
free(exec_cmd);
/* execute target app on saved data */
if (g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
NULL, NULL) != TRUE) {
return NSERROR_NOT_FOUND;
}
filepath_free_strvec(argv);
return NSERROR_OK;
}
/**
* open an editor with data.
*/
static nserror
editor_init(const char *title,
const char *leafname,
char *ndata,
size_t ndata_len)
{
nserror ret;
gchar *fname;
gint handle;
FILE *f;
handle = g_file_open_tmp("nsgtkdataXXXXXX", &fname, NULL);
if ((handle == -1) || (fname == NULL)) {
return NSERROR_SAVE_FAILED;
}
close(handle); /* in case it was binary mode */
/* save data to temporary file */
f = fopen(fname, "w");
if (f == NULL) {
nsgtk_warning(messages_get("gtkSourceTabError"), 0);
g_free(fname);
return NSERROR_SAVE_FAILED;
}
fprintf(f, "%s", ndata);
fclose(f);
ret = editor_init_fname(title, leafname, fname);
if (ret == NSERROR_OK) {
free(ndata);
}
g_free(fname);
return ret;
}
/* exported interface documented in gtk/viewdata.h */
nserror
nsgtk_viewdata(const char *title,
const char *filename,
char *ndata,
size_t ndata_len)
{
nserror ret;
switch (nsoption_int(developer_view)) {
case 0:
ret = window_init(title, filename, ndata, ndata_len);
break;
case 1:
ret = tab_init(title, filename, ndata, ndata_len);
break;
case 2:
ret = editor_init(title, filename, ndata, ndata_len);
break;
default:
ret = NSERROR_BAD_PARAMETER;
break;
}
if (ret != NSERROR_OK) {
/* release the data */
free(ndata);
}
return ret;
}
/* exported interface documented in gtk/viewdata.h */
nserror
nsgtk_viewfile(const char *title,
const char *leafname,
const char *filename)
{
nserror ret;
switch (nsoption_int(developer_view)) {
case 0:
ret = window_init_fname(title, leafname, filename);
break;
case 1:
ret = tab_init_fname(title, leafname, filename);
break;
case 2:
ret = editor_init_fname(title, leafname, filename);
break;
default:
ret = NSERROR_BAD_PARAMETER;
break;
}
return ret;
}
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