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support reading from stdin (closes #32)

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This is highly experimental but should work in principal. If there is a better
way to dump the contents of stdin to a temporary file, send me a patch, please.
This commit is contained in:
Sebastian Ramacher 2010-09-27 17:01:09 +02:00
parent 660567e7df
commit 3017534627
1 changed files with 73 additions and 3 deletions
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76
zathura.c
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@ -334,6 +334,11 @@ struct
gchar* data_dir;
} Config;
struct
{
gchar* file;
gint handle;
} StdinSupport;
} Zathura;
@ -353,8 +358,9 @@ void enter_password();
void highlight_result(int, PopplerRectangle*);
void draw(int);
void eval_marker(int);
void notify(int, char*);
void notify(int, const char*);
gboolean open_file(char*, char*);
gboolean open_stdin(gchar*);
void open_uri(char*);
void out_of_memory();
void update_status();
@ -679,6 +685,9 @@ init_zathura()
Zathura.FileMonitor.monitor = NULL;
Zathura.FileMonitor.file = NULL;
Zathura.StdinSupport.file = NULL;
Zathura.StdinSupport.handle = -1;
/* window */
if(Zathura.UI.embed)
Zathura.UI.window = gtk_plug_new(Zathura.UI.embed);
@ -1169,7 +1178,8 @@ highlight_result(int page_id, PopplerRectangle* rectangle)
cairo_destroy(cairo);
}
void notify(int level, char* message)
void
notify(int level, const char* message)
{
switch(level)
{
@ -1398,6 +1408,57 @@ open_file(char* path, char* password)
return TRUE;
}
gboolean
open_stdin(gchar* password)
{
GError* error = NULL;
gchar* file = NULL;
gint handle = g_file_open_tmp("zathura.stdin.XXXXXX.pdf", &file, &error);
if (handle == -1)
{
gchar* message = g_strdup_printf("Can not create temporary file: %s", error->message);
notify(ERROR, message);
g_free(message);
g_error_free(error);
return FALSE;
}
// read from stdin and dump to temporary file
char buffer[BUFSIZ];
ssize_t count = 0;
while ((count = read(0, buffer, BUFSIZ)) > 0)
{
if (write(handle, buffer, count) != count)
{
gchar* message = g_strdup_printf("Can not write to temporary file: %s", file);
notify(ERROR, message);
g_free(message);
g_free(file);
close(handle);
return FALSE;
}
}
if (count != 0)
{
gchar* message = g_strdup_printf("Can not read from stdin");
notify(ERROR, message);
g_free(message);
g_free(file);
close(handle);
return FALSE;
}
/* update data */
g_free(Zathura.StdinSupport.file);
Zathura.StdinSupport.file = file;
if (Zathura.StdinSupport.handle != -1)
close(Zathura.StdinSupport.handle);
Zathura.StdinSupport.handle = handle;
return open_file(Zathura.StdinSupport.file, password);
}
void open_uri(char* uri)
{
char* escaped_uri = g_shell_quote(uri);
@ -4460,7 +4521,13 @@ int main(int argc, char* argv[])
init_look();
if(argc > 1)
open_file(argv[1], (argc == 3) ? argv[2] : NULL);
{
char* password = (argc == 3) ? argv[2] : NULL;
if (strcmp(argv[1], "-") == 0)
open_stdin(password);
else
open_file(argv[1], password);
}
switch_view(Zathura.UI.document);
update_status();
@ -4480,6 +4547,9 @@ int main(int argc, char* argv[])
g_free(Zathura.Config.config_dir);
g_free(Zathura.Config.data_dir);
g_free(Zathura.StdinSupport.file);
if (Zathura.StdinSupport.handle != -1)
close(Zathura.StdinSupport.handle);
return 0;
}