aboutsummaryrefslogtreecommitdiff
path: root/toys/posix/sed.c
diff options
context:
space:
mode:
authorRob Landley <rob@landley.net>2013-02-22 11:22:01 -0600
committerRob Landley <rob@landley.net>2013-02-22 11:22:01 -0600
commitdd009d622ad7b6094efe073f0974a5e3a523cc32 (patch)
tree52856e68356c848845a6c54c60322d146a4c69f4 /toys/posix/sed.c
parent865afc55d04ede07db830c767bec75fb67c3ff6f (diff)
downloadtoybox-dd009d622ad7b6094efe073f0974a5e3a523cc32.tar.gz
Move some unfinished commands to the "pending" directory.
Diffstat (limited to 'toys/posix/sed.c')
-rw-r--r--toys/posix/sed.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/toys/posix/sed.c b/toys/posix/sed.c
deleted file mode 100644
index 15099cc6..00000000
--- a/toys/posix/sed.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/* sed.c - Stream editor.
- *
- * Copyright 2012 Rob Landley <rob@landley.net>
- *
- * See http://opengroup.org/onlinepubs/9699919799/utilities/sed.c
-
-USE_SED(NEWTOY(sed, "irne*", TOYFLAG_BIN))
-
-config SED
- bool "sed"
- default n
- help
- usage: sed [-irn] {command | [-e command]...} [FILE...]
-
- Stream EDitor, transforms text by appling script of command to each line
- of input.
-
- -e Add expression to the command script (if no -e, use first argument)
- -i Modify file in place
- -n No default output (p commands only)
- -r Use extended regular expression syntex
-*/
-
-#define FOR_sed
-#include "toys.h"
-#include "lib/xregcomp.h"
-
-GLOBALS(
- struct arg_list *scripts;
- struct double_list *commands;
-
- void *parsed;
-)
-
-// Digested version of what sed commands can actually tell use to do.
-
-
-struct sed_command {
- // double_list compatibility (easier to create in-order)
- struct sed_command *next, *prev;
-
- // data string for (saicytb)
- char c, *data;
- // Regexes for s/match/data/ and /begin/,/end/command
- regex_t *match, *begin, *end;
- // For numeric ranges ala 10,20command
- long lstart, lstop;
- // Which match to replace, 0 for all. s and w commands can write to a file
- int which, outfd;
-};
-
-// Space. Space. Gotta get past space. Spaaaaaaaace! (But not newline.)
-void spaceorb(char **s)
-{
- while (**s == ' ' || **s == '\t') *s++;
-}
-
-void parse_scripts(void)
-{
- struct sed_command *commands = 0;
- struct arg_list *script;
- int which = 0;
- long l;
-
- for (script = TT.scripts; *script; script = script->next) {
- char *str = script->arg, *s;
- struct sed_command *cmd;
-
- which++;
- for (i=1;;) {
- if (!*str) break;
-
- cmd = xzalloc(sizeof(struct sed_command));
-
- // Identify prefix
- for (;;) {
- long l;
-
- spaceorb(&str);
- if (*str == '$') {
- l = -1;
- str++;
- } else if (isdigit(*str)) l = strtol(str, &str, 10);
- else if (!cmd->lstart) break;
- else goto parse_fail;
-
- spaceorb(&str);
- if (!cmd->lstart) {
- if (!l) goto parse_fail;
- cmd->lstart = l;
- if (*str != ',') break;
- str++;
- continue;
- }
- cmd->lstop = l;
- break;
- } else if (*str == '/') {
- printf("regex\n");
- }
- l = stridx("{bcdDgGhHlnNpPstwxyrqia= \t#:}", *str);
- if (l == -1) goto parse_fail;
-
-
- }
- }
-
- return;
-
-parse_fail:
- error_exit("bad expression %d@%d: %s", which, i, script->arg+i);
-}
-
-void sed_main(void)
-{
- char **files=toys.optargs;
-
- // If no -e, use first argument
- if (!TT.scripts) {
- if (!*files) error_exit("Need script");
- (TT.scripts=xzalloc(sizeof(struct arg_list)))->arg=*(files++);
- }
-
-
- {
- struct arg_list *test;
-
- for (test = TT.commands; test; test = test->next)
- dprintf(2,"command=%s\n",test->arg);
- while (*files) dprintf(2,"file=%s\n", *(files++));
- }
-}