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Reimplment 'load from stdin'

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This commit is contained in:
Sebastian Ramacher 2011-10-21 15:00:22 +02:00
parent 27f275dd66
commit 98a1d2bc95
1 changed files with 79 additions and 1 deletions
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80
zathura.c
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@ -1,8 +1,12 @@
/* See LICENSE file for license and copyright information */
#define _BSD_SOURCE
#define _XOPEN_SOURCE 500
#include <stdlib.h>
#include <girara.h>
#include <glib/gstdio.h>
#include "bookmarks.h"
#include "callbacks.h"
@ -246,6 +250,12 @@ zathura_free(zathura_t* zathura)
girara_session_destroy(zathura->ui.session);
}
/* stdin support */
if (zathura->stdin_support.file != NULL) {
g_unlink(zathura->stdin_support.file);
g_free(zathura->stdin_support.file);
}
/* bookmarks */
girara_list_free(zathura->bookmarks.bookmarks);
@ -272,6 +282,58 @@ zathura_free(zathura_t* zathura)
g_free(zathura);
}
static gchar*
prepare_document_open_from_stdin(zathura_t* zathura)
{
g_return_val_if_fail(zathura, NULL);
GError* error = NULL;
gchar* file = NULL;
gint handle = g_file_open_tmp("zathura.stdin.XXXXXX", &file, &error);
if (handle == -1)
{
girara_error("Can not create temporary file: %s", error->message);
g_error_free(error);
return NULL;
}
// read from stdin and dump to temporary file
int stdinfno = fileno(stdin);
if (stdinfno == -1)
{
girara_error("Can not read from stdin.");
close(handle);
g_unlink(file);
g_free(file);
return NULL;
}
char buffer[BUFSIZ];
ssize_t count = 0;
while ((count = read(stdinfno, buffer, BUFSIZ)) > 0)
{
if (write(handle, buffer, count) != count)
{
girara_error("Can not write to temporary file: %s", file);
close(handle);
g_unlink(file);
g_free(file);
return NULL;
}
}
close(handle);
if (count != 0)
{
girara_error("Can not read from stdin.");
g_unlink(file);
g_free(file);
return NULL;
}
return file;
}
static gboolean
document_info_open(gpointer data)
{
@ -279,7 +341,22 @@ document_info_open(gpointer data)
g_return_val_if_fail(document_info != NULL, FALSE);
if (document_info->zathura != NULL && document_info->path != NULL) {
document_open(document_info->zathura, document_info->path, document_info->password);
char* file = NULL;
if (g_strcmp0(document_info->path, "-") == 0) {
file = prepare_document_open_from_stdin(document_info->zathura);
if (file == NULL) {
girara_notify(document_info->zathura->ui.session, GIRARA_ERROR,
"Could not read file from stdin and write it to a temporary file.");
}
document_info->zathura->stdin_support.file = file;
} else {
file = g_strdup(document_info->path);
}
if (file != NULL) {
document_open(document_info->zathura, file, document_info->password);
g_free(file);
}
}
g_free(document_info);
@ -353,6 +430,7 @@ document_save(zathura_t* zathura, const char* path, bool overwrite)
gchar* message = g_strdup_printf("File already exists: %s. Use :write! to overwrite it.", file_path);
girara_error(message);
g_free(message);
g_free(file_path);
return false;
}