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* extract based on filename regexp and document it

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This commit is contained in:
Dirk-Jan C. Binnema
2011-05-22 13:42:19 +03:00
parent f7a39155c8
commit 48d52daf0b
5 changed files with 154 additions and 59 deletions
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83
src/mu-cmd-extract.c
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@ -1,3 +1,5 @@
/* -*-mode: c; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-*/
/*
** Copyright (C) 2010-2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
@ -22,6 +24,7 @@
#endif /*HAVE_CONFIG_H*/
#include <stdlib.h>
#include <string.h>
#include "mu-msg.h"
#include "mu-msg-part.h"
@ -94,22 +97,60 @@ save_numbered_parts (MuMsg *msg, MuConfig *opts)
return rv;
}
static gboolean
save_part_with_filename (MuMsg *msg, const char *filename, MuConfig *opts)
static GRegex*
anchored_regex (const char* pattern)
{
int idx;
GRegex *rx;
GError *err;
gchar *anchored;
idx = mu_msg_part_find_file (msg, filename);
if (idx == -1) {
g_warning ("file '%s' not found in this message", filename);
return FALSE;
anchored = g_strdup_printf
("%s%s%s",
pattern[0] == '^' ? "" : "^",
pattern,
pattern[strlen(pattern)-1] == '$' ? "" : "$");
err = NULL;
rx = g_regex_new (anchored, G_REGEX_CASELESS|G_REGEX_OPTIMIZE, 0,
&err);
g_free (anchored);
if (!rx) {
g_warning ("error in regular expression '%s': %s",
pattern, err->message);
g_error_free (err);
return NULL;
}
if (!save_part (msg, opts->targetdir, idx, opts->overwrite,
opts->play))
return rx;
}
static gboolean
save_part_with_filename (MuMsg *msg, const char *pattern, MuConfig *opts)
{
GSList *lst, *cur;
GRegex *rx;
gboolean rv;
/* 'anchor' the pattern with '^...$' if not already */
rx = anchored_regex (pattern);
if (!rx)
return FALSE;
return TRUE;
lst = mu_msg_part_find_files (msg, rx);
g_regex_unref (rx);
if (!lst) {
g_warning ("no matching attachments found");
return FALSE;
}
for (cur = lst, rv = TRUE; cur; cur = g_slist_next (cur))
rv &= save_part (msg, opts->targetdir,
GPOINTER_TO_UINT(cur->data),
opts->overwrite, opts->play);
return rv;
}
@ -180,9 +221,6 @@ save_part_if (MuMsg *msg, MuMsgPart *part, SaveData *sd)
++sd->saved_num;
leave:
if (!sd->result)
g_warning ("failed to save/play MIME-part %u to %s",
part->index, filepath ? filepath : "<none>");
sd->result = rv;
g_free (filepath);
}
@ -292,12 +330,13 @@ static gboolean
check_params (MuConfig *opts)
{
if (!opts->params[1] || (opts->params[2] && opts->params[3])) {
g_warning ("usage: mu extract [options] <file> [<filename>]");
return FALSE;
g_warning ("usage: mu extract [options] <file> [<pattern>]");
return MU_EXITCODE_ERROR;
}
if (opts->params[2] && (opts->save_attachments || opts->save_all)) {
g_warning ("--save-attachments --save-all is allowed don't accept "
g_warning ("--save-attachments --save-all don't accept "
"a filename");
return FALSE;
}
@ -325,15 +364,13 @@ mu_cmd_extract (MuConfig *opts)
g_return_val_if_fail (opts, MU_EXITCODE_ERROR);
g_return_val_if_fail (opts->cmd == MU_CONFIG_CMD_EXTRACT,
MU_EXITCODE_ERROR);
if (!check_params (opts))
return MU_EXITCODE_ERROR;
if (!opts->params[2] &&
!opts->parts &&
!opts->save_attachments &&
!opts->save_all) /* show, don't save */
rv = show_parts (opts->params[1], opts);
if (!opts->params[2] && !opts->parts &&
!opts->save_attachments && !opts->save_all)
rv = show_parts (opts->params[1], opts); /* show, don't save */
else {
rv = mu_util_check_dir(opts->targetdir, FALSE, TRUE);
if (!rv)