X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=libdocument%2Fev-file-helpers.c;h=20c7bc4eabd1b8c66927ceafc401500b708a11de;hb=f51872613abaaa42c716e2fe6a2e4695c529dc4b;hp=b6a50b6f8c470a5f1dbce4710007af53c496e95f;hpb=13a06349251874bd35d2f03c3fc93217cee749a2;p=evince.git diff --git a/libdocument/ev-file-helpers.c b/libdocument/ev-file-helpers.c index b6a50b6f..20c7bc4e 100644 --- a/libdocument/ev-file-helpers.c +++ b/libdocument/ev-file-helpers.c @@ -29,10 +29,10 @@ #include #include #include -#include -#include -#include -#include + +#if WITH_GNOME +#include +#endif #include "ev-file-helpers.h" @@ -46,7 +46,7 @@ ensure_dir_exists (const char *dir) if (g_file_test (dir, G_FILE_TEST_IS_DIR)) return TRUE; - if (g_mkdir (dir, 488) == 0) + if (g_mkdir_with_parents (dir, 488) == 0) return TRUE; if (errno == EEXIST) @@ -62,9 +62,15 @@ ev_dot_dir (void) if (dot_dir == NULL) { gboolean exists; +#if WITH_GNOME dot_dir = g_build_filename (gnome_user_dir_get (), "evince", NULL); +#else + dot_dir = g_build_filename (g_get_user_config_dir (), + "evince", + NULL); +#endif exists = ensure_dir_exists (dot_dir); if (!exists) @@ -112,6 +118,20 @@ ev_file_helpers_shutdown (void) tmp_dir = NULL; } +GFile * +ev_tmp_file_get (const gchar *prefix) +{ + gchar *path; + GFile *file; + + path = ev_tmp_filename (prefix); + file = g_file_new_for_path (path); + + g_free (path); + + return file; +} + gchar * ev_tmp_filename (const gchar *prefix) { @@ -135,35 +155,197 @@ ev_tmp_filename (const gchar *prefix) return filename; } +/* Remove a local temp file created by evince */ +void +ev_tmp_filename_unlink (const gchar *filename) +{ + const gchar *tempdir; + + if (!filename) + return; + + tempdir = g_get_tmp_dir (); + if (g_ascii_strncasecmp (filename, tempdir, strlen (tempdir)) == 0) { + g_unlink (filename); + } +} + +void +ev_tmp_file_unlink (GFile *file) +{ + gboolean res; + + if (!file) + return; + + res = g_file_delete (file, NULL, NULL); + if (!res) { + char *uri; + + uri = g_file_get_uri (file); + g_warning ("Unable to delete temp file %s\n", uri); + g_free (uri); + } +} + +void +ev_tmp_uri_unlink (const gchar *uri) +{ + GFile *file; + + if (!uri) + return; + + file = g_file_new_for_uri (uri); + if (!g_file_is_native (file)) { + g_warning ("Attempting to delete non native uri: %s\n", uri); + g_object_unref (file); + return; + } + + ev_tmp_file_unlink (file); + g_object_unref (file); +} + gboolean ev_xfer_uri_simple (const char *from, const char *to, GError **error) { - GnomeVFSResult result; - GnomeVFSURI *source_uri; - GnomeVFSURI *target_uri; + GFile *source_file; + GFile *target_file; + GError *ioerror; + gboolean result; if (!from) return FALSE; - source_uri = gnome_vfs_uri_new (from); - target_uri = gnome_vfs_uri_new (to); - - result = gnome_vfs_xfer_uri (source_uri, target_uri, - GNOME_VFS_XFER_DEFAULT | GNOME_VFS_XFER_FOLLOW_LINKS, - GNOME_VFS_XFER_ERROR_MODE_ABORT, - GNOME_VFS_XFER_OVERWRITE_MODE_REPLACE, - NULL, - NULL); - gnome_vfs_uri_unref (target_uri); - gnome_vfs_uri_unref (source_uri); + source_file = g_file_new_for_uri (from); + target_file = g_file_new_for_uri (to); + + result = g_file_copy (source_file, target_file, + G_FILE_COPY_OVERWRITE, + NULL, NULL, NULL, &ioerror); + + g_object_unref (target_file); + g_object_unref (source_file); - if (result != GNOME_VFS_OK) - g_set_error (error, - G_FILE_ERROR, - G_FILE_ERROR_FAILED, - gnome_vfs_result_to_string (result)); - return (result == GNOME_VFS_OK); + if (!result) { + g_propagate_error (error, ioerror); + } + return result; + +} + +/* Compressed files support */ +#define BZIPCOMMAND "bzip2" +#define GZIPCOMMAND "gzip" +#define N_ARGS 4 +#define BUFFER_SIZE 1024 + +static gchar * +compression_run (const gchar *uri, + EvCompressionType type, + gboolean compress, + GError **error) +{ + gchar *argv[N_ARGS]; + gchar *uri_dst = NULL; + gchar *filename, *filename_dst; + gchar *cmd; + gint fd, pout; + + if (type == EV_COMPRESSION_NONE) + return NULL; + + cmd = g_find_program_in_path ((type == EV_COMPRESSION_BZIP2) ? BZIPCOMMAND : GZIPCOMMAND); + if (!cmd) + return NULL; + + filename = g_filename_from_uri (uri, NULL, NULL); + if (!filename) { + g_free (cmd); + return NULL; + } + + filename_dst = g_build_filename (ev_tmp_dir (), "evinceXXXXXX", NULL); + fd = g_mkstemp (filename_dst); + if (fd < 0) { + g_free (cmd); + g_free (filename); + g_free (filename_dst); + return NULL; + } + + argv[0] = cmd; + argv[1] = compress ? "-c" : "-cd"; + argv[2] = filename; + argv[3] = NULL; + + if (g_spawn_async_with_pipes (NULL, argv, NULL, + G_SPAWN_STDERR_TO_DEV_NULL, + NULL, NULL, NULL, + NULL, &pout, NULL, error)) { + GIOChannel *in, *out; + gchar buf[BUFFER_SIZE]; + GIOStatus read_st, write_st; + gsize bytes_read, bytes_written; + + in = g_io_channel_unix_new (pout); + g_io_channel_set_encoding (in, NULL, NULL); + out = g_io_channel_unix_new (fd); + g_io_channel_set_encoding (out, NULL, NULL); + + do { + read_st = g_io_channel_read_chars (in, buf, + BUFFER_SIZE, + &bytes_read, + error); + if (read_st == G_IO_STATUS_NORMAL) { + write_st = g_io_channel_write_chars (out, buf, + bytes_read, + &bytes_written, + error); + if (write_st == G_IO_STATUS_ERROR) + break; + } else if (read_st == G_IO_STATUS_ERROR) { + break; + } + } while (bytes_read > 0); + + g_io_channel_unref (in); + g_io_channel_unref (out); + } + + close (fd); + + if (*error == NULL) { + uri_dst = g_filename_to_uri (filename_dst, NULL, NULL); + } + + g_free (cmd); + g_free (filename); + g_free (filename_dst); + + return uri_dst; +} + +gchar * +ev_file_uncompress (const gchar *uri, + EvCompressionType type, + GError **error) +{ + g_return_val_if_fail (uri != NULL, NULL); + + return compression_run (uri, type, FALSE, error); +} + +gchar * +ev_file_compress (const gchar *uri, + EvCompressionType type, + GError **error) +{ + g_return_val_if_fail (uri != NULL, NULL); + return compression_run (uri, type, TRUE, error); }