#include <h/mh.h>
#include <h/tws.h>
#include <h/utils.h>
+#include <h/scansbr.h>
+#include <h/fmt_scan.h>
+#include <unistd.h>
+#include <locale.h>
+#include <sysexits.h>
+#include <ctype.h>
+#include <regex.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
{ "list", 0 },
#define NLISTSW 21
{ "nolist", 2 },
-#define VERSIONSW 22
+#define FORMATSW 22
+ { "format format", 0 },
+#define WIDTHSW 23
+ { "width columns", 0 },
+#define THREADSW 24
+ { "thread", 0 },
+#define FILESW 25
+ { "file file", 0 },
+#define VERSIONSW 26
{ "Version", 0 },
-#define HELPSW 23
+#define HELPSW 27
{ "help", 0 },
{ NULL, 0 }
};
+char *version=VERSION;
+
+struct nexus {
+ boolean (*action)(struct field *, int, void *);
+ void (*free)(struct nexus **);
+ void (*debug)(void *, size_t);
+
+ void *data;
+};
+
+static struct nexus *head;
+static boolean body = FALSE;
+
/*
** static prototypes
*/
static int pcompile(char **, char *);
-static int pmatches(FILE *, int, long, long);
+static int pmatches(FILE *, int);
+static struct nexus * createonethread(char *);
+static struct nexus * createpickthread(char *);
+static void scan_mbox(char *, char *, int);
static int listsw = -1;
void putzero_done();
+static void printmsg(FILE *, struct msgs *, int, char *, int);
+
int
main(int argc, char **argv)
{
- int publicsw = -1, zerosw = 1, vecp = 0;
+ int publicsw = -1, zerosw = 1, vecp = 0, width = 0;
unsigned int seqp = 0;
int lo, hi, msgnum;
char *maildir, *folder = NULL, buf[100];
char *seqs[NUMATTRS + 1], *vec[MAXARGS];
struct msgs_array msgs = { 0, 0, NULL };
struct msgs *mp;
- register FILE *fp;
+ char *form = NULL;
+ char *fmtstr;
+ FILE *fp;
+ char *file = NULL;
- if (atexit(putzero_done) != 0) {
- adios(NULL, "atexit failed");
+ if (atexit(putzero_done) != 0) {
+ adios(EX_OSERR, NULL, "atexit failed");
}
setlocale(LC_ALL, "");
arguments = getarguments(invo_name, argc, argv, 1);
argp = arguments;
+ if (strcmp(invo_name, "scan")==0) {
+ form = scanformat;
+ }
+
while ((cp = *argp++)) {
if (*cp == '-') {
if (*++cp == '-') {
case AMBIGSW:
ambigsw(cp, switches);
listsw = 0; /* HACK */
- exit(1);
+ exit(EX_USAGE);
case UNKWNSW:
- adios(NULL, "-%s unknown", cp);
+ adios(EX_USAGE, NULL, "-%s unknown", cp);
case HELPSW:
snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
print_help(buf, switches, 1);
listsw = 0; /* HACK */
- exit(0);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case VERSIONSW:
print_version(invo_name);
listsw = 0; /* HACK */
- exit(0);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case CCSW:
case DATESW:
case AFTRSW:
case BEFRSW:
case SRCHSW:
+ case THREADSW:
vec[vecp++] = --cp;
pattern:
if (!(cp = *argp++)) /* allow -xyz arguments */
- adios(NULL, "missing argument to %s",
+ adios(EX_USAGE, NULL, "missing argument to %s",
argp[-2]);
vec[vecp++] = cp;
continue;
case OTHRSW:
- adios(NULL, "internal error!");
+ adios(EX_SOFTWARE, NULL, "internal error!");
case ANDSW:
case ORSW:
case SEQSW:
if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
+ adios(EX_USAGE, NULL, "missing argument to %s",
argp[-2]);
/* check if too many sequences specified */
if (seqp >= NUMATTRS)
- adios(NULL, "too many sequences (more than %d) specified", NUMATTRS);
+ adios(EX_USAGE, NULL, "too many sequences (more than %d) specified", NUMATTRS);
if (!seq_nameok(cp))
- exit(1);
+ exit(EX_USAGE);
seqs[seqp++] = cp;
continue;
case NLISTSW:
listsw = 0;
continue;
+ case FORMATSW:
+ if (!(form = *argp++) || *form == '-') {
+ adios(EX_USAGE, NULL, "missing argument to %s", argp[-2]);
+ }
+ continue;
+ case WIDTHSW:
+ if (!(cp = *argp++) || *cp == '-') {
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ }
+ width = atoi(cp);
+ continue;
+ case FILESW:
+ if (!(cp = *argp++) || (cp[0] == '-' && cp[1])) {
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ }
+ if (strcmp(file = cp, "-")!=0) {
+ file = mh_xstrdup(expanddir(cp));
+ }
+ continue;
}
}
if (*cp == '+' || *cp == '@') {
if (folder)
- adios(NULL, "only one folder at a time!");
+ adios(EX_USAGE, NULL, "only one folder at a time!");
else
- folder = getcpy(expandfol(cp));
+ folder = mh_xstrdup(expandfol(cp));
} else
app_msgarg(&msgs, cp);
}
vec[vecp] = NULL;
+ fmtstr = new_fs(form, "pick.default");
+
+ if (file) {
+ if (folder) {
+ adios(EX_USAGE, NULL, "\"+folder\" not allowed with -file");
+ }
+ if (msgs.size) {
+ adios(EX_USAGE, NULL, "\"msgs\" not allowed with -file");
+ }
+ if (vecp) {
+ adios(EX_USAGE, NULL, "section arguments not allowed with -file");
+ }
+
+ scan_mbox(file, fmtstr, width);
+ exit(EX_OK);
+ }
+
/*
** If we didn't specify which messages to search,
** then search the whole folder.
maildir = toabsdir(folder);
if (chdir(maildir) == NOTOK)
- adios(maildir, "unable to change directory to");
+ adios(EX_OSERR, maildir, "unable to change directory to");
/* read folder and create message structure */
if (!(mp = folder_read(folder)))
- adios(NULL, "unable to read folder %s", folder);
+ adios(EX_IOERR, NULL, "unable to read folder %s", folder);
/* check for empty folder */
if (mp->nummsg == 0)
- adios(NULL, "no messages in %s", folder);
+ adios(EX_DATAERR, NULL, "no messages in %s", folder);
/* parse all the message ranges/sequences and set SELECTED */
for (msgnum = 0; msgnum < msgs.size; msgnum++)
if (!m_convert(mp, msgs.msgs[msgnum]))
- exit(1);
+ exit(EX_USAGE);
seq_setprev(mp); /* set the previous-sequence */
/*
listsw = !seqp;
if (publicsw == 1 && is_readonly(mp))
- adios(NULL, "folder %s is read-only, so -public not allowed",
+ adios(EX_NOPERM, NULL, "folder %s is read-only, so -public not allowed",
folder);
if (!pcompile(vec, NULL))
- exit(1);
+ exit(EX_SOFTWARE);
lo = mp->lowsel;
hi = mp->hghsel;
if (is_selected(mp, msgnum)) {
if ((fp = fopen(cp = m_name(msgnum), "r")) == NULL)
admonish(cp, "unable to read message");
- if (fp && pmatches(fp, msgnum, 0L, 0L)) {
+ if (fp && pmatches(fp, msgnum)) {
if (msgnum < lo)
lo = msgnum;
if (msgnum > hi)
hi = msgnum;
- if (listsw)
- printf("%s\n", m_name(msgnum));
+ if (listsw) {
+ printmsg(fp, mp, msgnum, fmtstr, width);
+ }
} else {
/* if it doesn't match, then unselect it */
unset_selected(mp, msgnum);
- mp->numsel--;
}
if (fp)
fclose(fp);
}
}
+ if (head) {
+ head->free(&head);
+ }
+
mp->lowsel = lo;
mp->hghsel = hi;
if (mp->numsel <= 0)
- adios(NULL, "no messages match specification");
+ adios(EX_DATAERR, NULL, "no messages match specification");
seqs[seqp] = NULL;
*/
for (seqp = 0; seqs[seqp]; seqp++)
if (!seq_addsel(mp, seqs[seqp], publicsw, zerosw))
- exit(1);
+ exit(EX_USAGE);
/*
** Print total matched if not printing each matched message number.
return 0;
}
+static void
+scan_mbox(char *file, char *fmtstr, int width)
+{
+ FILE *in;
+ int msgnum;
+ int state;
+
+ if (strcmp(file, "-") == 0) {
+ in = stdin;
+ file = "stdin";
+ } else if (!(in = fopen(file, "r"))) {
+ adios(EX_IOERR, file, "unable to open");
+ }
+
+ for (msgnum = 1; ;msgnum++) {
+ state = scan(in, msgnum, SCN_MBOX, fmtstr, width, 0, 0);
+ if (state != SCNMSG) {
+ break;
+ }
+ }
+ fclose(in);
+}
+
void
putzero_done()
printf("0\n");
}
+static void
+printmsg(FILE *f, struct msgs *mp, int msgnum, char *fmtstr, int width)
+{
+ int seqnum;
+ int state;
+ boolean unseen = FALSE;
+
+ fseek(f, 0L, SEEK_SET);
+
+ seqnum = seq_getnum(mp, seq_unseen);
+ unseen = in_sequence(mp, seqnum, msgnum);
+
+ switch (state = scan(f, msgnum, SCN_FOLD, fmtstr,
+ width, msgnum==mp->curmsg, unseen)) {
+ case SCNMSG:
+ case SCNERR:
+ break;
+ case SCNEOF:
+ advise(NULL, "message %d: empty", msgnum);
+ break;
+ default:
+ adios(EX_SOFTWARE, NULL, "scan() botch(%d)", state);
+ }
+}
+
static struct swit parswit[] = {
#define PRAND 0
{ "before date", 0 },
#define PRDATF 14
{ "datefield field", 5 },
+#define PRTHREAD 15
+ { "thread msg", 0 },
{ NULL, 0 }
};
#define LBSIZE 1024
#define ESIZE 1024
-
-static char linebuf[LBSIZE + 1];
-
-/* the magic array for case-independence */
-static char cc[] = {
- 0000,0001,0002,0003,0004,0005,0006,0007,
- 0010,0011,0012,0013,0014,0015,0016,0017,
- 0020,0021,0022,0023,0024,0025,0026,0027,
- 0030,0031,0032,0033,0034,0035,0036,0037,
- 0040,0041,0042,0043,0044,0045,0046,0047,
- 0050,0051,0052,0053,0054,0055,0056,0057,
- 0060,0061,0062,0063,0064,0065,0066,0067,
- 0070,0071,0072,0073,0074,0075,0076,0077,
- 0100,0141,0142,0143,0144,0145,0146,0147,
- 0150,0151,0152,0153,0154,0155,0156,0157,
- 0160,0161,0162,0163,0164,0165,0166,0167,
- 0170,0171,0172,0133,0134,0135,0136,0137,
- 0140,0141,0142,0143,0144,0145,0146,0147,
- 0150,0151,0152,0153,0154,0155,0156,0157,
- 0160,0161,0162,0163,0164,0165,0166,0167,
- 0170,0171,0172,0173,0174,0175,0176,0177,
-
- 0200,0201,0202,0203,0204,0205,0206,0207,
- 0210,0211,0212,0213,0214,0215,0216,0217,
- 0220,0221,0222,0223,0224,0225,0226,0227,
- 0230,0231,0232,0233,0234,0235,0236,0237,
- 0240,0241,0242,0243,0244,0245,0246,0247,
- 0250,0251,0252,0253,0254,0255,0256,0257,
- 0260,0261,0262,0263,0264,0265,0266,0267,
- 0270,0271,0272,0273,0274,0275,0276,0277,
- 0300,0301,0302,0303,0304,0305,0306,0307,
- 0310,0311,0312,0313,0314,0315,0316,0317,
- 0320,0321,0322,0323,0324,0325,0326,0327,
- 0330,0331,0332,0333,0334,0335,0336,0337,
- 0340,0341,0342,0343,0344,0345,0346,0347,
- 0350,0351,0352,0353,0354,0355,0356,0357,
- 0360,0361,0362,0363,0364,0365,0366,0367,
- 0370,0371,0372,0373,0374,0375,0376,0377,
-};
-
/*
** DEFINITIONS FOR NEXUS
*/
#define padvise if (!talked++) advise
-struct nexus {
- int (*n_action)();
-
- union {
- /* for {OR,AND,NOT}action */
- struct {
- struct nexus *un_L_child;
- struct nexus *un_R_child;
- } st1;
-
- /* for GREPaction */
- struct {
- int un_header;
- int un_circf;
- char un_expbuf[ESIZE];
- char *un_patbuf;
- } st2;
-
- /* for TWSaction */
- struct {
- char *un_datef;
- int un_after;
- struct tws un_tws;
- } st3;
- } un;
+
+enum nexus_type {
+ TYPE_GREP,
+ TYPE_DATE,
+ TYPE_OR,
+ TYPE_AND,
+ TYPE_NOT
};
-#define n_L_child un.st1.un_L_child
-#define n_R_child un.st1.un_R_child
+struct bin_data {
+ struct nexus *left;
+ struct nexus *right;
+ enum nexus_type type;
+ int oldmsgnum;
+ boolean leftmatch;
+ boolean rightmatch;
+ boolean match;
+};
-#define n_header un.st2.un_header
-#define n_circf un.st2.un_circf
-#define n_expbuf un.st2.un_expbuf
-#define n_patbuf un.st2.un_patbuf
+struct date_data {
+ char *datef;
+ boolean after;
+ struct tws tws;
+};
-#define n_datef un.st3.un_datef
-#define n_after un.st3.un_after
-#define n_tws un.st3.un_tws
+struct grep_data {
+ char *header;
+ char *pattern;
+ regex_t *preg;
+};
static int talked;
static int pdebug = 0;
static char *datesw;
static char **argp;
-static struct nexus *head;
/*
** prototypes for date routines
/*
** static prototypes
*/
-static void PRaction(struct nexus *, int);
-static int gcompile(struct nexus *, char *);
-static int advance(char *, char *);
-static int cclass(unsigned char *, int, int);
+static int gcompile(struct grep_data *, const char *);
static int tcompile(char *, struct tws *, int);
static struct nexus *parse(void);
static struct nexus *nexp1(void);
static struct nexus *nexp2(void);
static struct nexus *nexp3(void);
-static struct nexus *newnexus(int (*)());
+static struct nexus *newnexus(enum nexus_type);
-static int ORaction();
-static int ANDaction();
-static int NOTaction();
-static int GREPaction();
-static int TWSaction();
+static boolean BINaction(struct field *, int, void *);
+static boolean NOTaction(struct field *, int, void *);
+static boolean GREPaction(struct field *, int, void *);
+static boolean DATEaction(struct field *, int, void *);
+static void BINfree(struct nexus **);
+static void GREPfree(struct nexus **);
+static void DATEfree(struct nexus **);
+
+static void BINdebug(void *, size_t);
+static void GREPdebug(void *, size_t);
+static void DATEdebug(void *, size_t);
static int
pcompile(char **vec, char *date)
{
- register char *cp;
+ char *cp;
if ((cp = getenv("MHPDEBUG")) && *cp)
pdebug++;
static struct nexus *
parse(void)
{
- register char *cp;
- register struct nexus *n, *o;
+ char *cp;
+ struct nexus *n, *o;
+ struct bin_data *bin;
if ((n = nexp1()) == NULL || (cp = nxtarg()) == NULL)
return n;
return NULL;
case PROR:
- o = newnexus(ORaction);
- o->n_L_child = n;
- if ((o->n_R_child = parse()))
+ o = newnexus(TYPE_OR);
+ bin = o->data;
+ bin->left = n;
+ if ((bin->right = parse()))
return o;
padvise(NULL, "missing disjunctive");
return NULL;
static struct nexus *
nexp1(void)
{
- register char *cp;
- register struct nexus *n, *o;
+ char *cp;
+ struct nexus *n, *o;
+ struct bin_data *bin;
if ((n = nexp2()) == NULL || (cp = nxtarg()) == NULL)
return n;
return NULL;
case PRAND:
- o = newnexus(ANDaction);
- o->n_L_child = n;
- if ((o->n_R_child = nexp1()))
+ o = newnexus(TYPE_AND);
+ bin = o->data;
+ bin->left = n;
+ if ((bin->right = nexp1()))
return o;
padvise(NULL, "missing conjunctive");
return NULL;
static struct nexus *
nexp2(void)
{
- register char *cp;
- register struct nexus *n;
+ char *cp;
+ struct nexus *n;
+ struct bin_data *bin;
if ((cp = nxtarg()) == NULL)
return NULL;
return NULL;
case PRNOT:
- n = newnexus(NOTaction);
- if ((n->n_L_child = nexp3()))
+ n = newnexus(TYPE_NOT);
+ bin = n->data;
+ if ((bin->left = nexp3()))
return n;
padvise(NULL, "missing negation");
return NULL;
nexp3(void)
{
int i;
- register char *cp, *dp;
+ char *cp, *dp;
char buffer[BUFSIZ], temp[64];
- register struct nexus *n;
+ struct nexus *n;
+ struct grep_data *gdata;
+ struct date_data *twsd;
if ((cp = nxtarg()) == NULL)
return NULL;
prvarg();
return NULL;
+ case PRTHREAD:
+ if (!(cp = nxtarg())) { /* allow -xyz arguments */
+ padvise(NULL, "missing argument to %s", argp[-2]);
+ }
+ return createpickthread(cp);
case PRCC:
case PRDATE:
case PRFROM:
padvise(NULL, "missing argument to %s", argp[-2]);
return NULL;
}
- n = newnexus(GREPaction);
- n->n_header = 1;
- snprintf(buffer, sizeof(buffer), "^%s[ \t]*:.*%s", dp, cp);
+ n = newnexus(TYPE_GREP);
+ gdata = n->data;
+ gdata->header = mh_xstrdup(dp);
+ snprintf(buffer, sizeof(buffer), "%s", cp);
dp = buffer;
goto pattern;
case PRSRCH:
- n = newnexus(GREPaction);
- n->n_header = 0;
+ n = newnexus(TYPE_GREP);
+ gdata = n->data;
+ gdata->header = NULL;
+ body = TRUE;
if (!(cp = nxtarg())) { /* allow -xyz arguments */
padvise(NULL, "missing argument to %s", argp[-2]);
return NULL;
}
dp = cp;
pattern: ;
- if (!gcompile(n, dp)) {
- padvise(NULL, "pattern error in %s %s", argp[-2], cp);
+ if (!gcompile(gdata, dp)) {
+ padvise("regcomp", "pattern error in %s %s", argp[-2], cp);
return NULL;
}
- n->n_patbuf = getcpy(dp);
return n;
case PROTHR:
padvise(NULL, "missing argument to %s", argp[-2]);
return NULL;
}
- n = newnexus(TWSaction);
- n->n_datef = datesw;
- if (!tcompile(cp, &n->n_tws, n->n_after = i == PRAFTR)) {
+ n = newnexus(TYPE_DATE);
+ twsd = n->data;
+ twsd->datef = datesw;
+ if (!tcompile(cp, &twsd->tws, twsd->after = i == PRAFTR)) {
padvise(NULL, "unable to parse %s %s", argp[-2], cp);
return NULL;
}
static struct nexus *
-newnexus(int (*action)())
+newnexus(enum nexus_type t)
{
- register struct nexus *p;
-
- if ((p = (struct nexus *) calloc((size_t) 1, sizeof *p)) == NULL)
- adios(NULL, "unable to allocate component storage");
+ struct nexus *p = NULL;
+ struct bin_data *bin;
+
+ p = mh_xcalloc(1, sizeof(struct nexus));
+
+ switch (t) {
+ case TYPE_NOT:
+ p->action = NOTaction;
+ p->debug = BINdebug;
+ p->free = BINfree;
+ p->data = bin = mh_xcalloc(1, sizeof(struct bin_data));
+ bin->type = t;
+ break;
+ case TYPE_AND:
+ case TYPE_OR:
+ p->action = BINaction;
+ p->debug = BINdebug;
+ p->free = BINfree;
+ p->data = bin = mh_xcalloc(1, sizeof(struct bin_data));
+ bin->type = t;
+ break;
+ case TYPE_GREP:
+ p->action = GREPaction;
+ p->debug = GREPdebug;
+ p->free = GREPfree;
+ p->data = mh_xcalloc(1, sizeof(struct grep_data));
+ break;
+ case TYPE_DATE:
+ p->action = DATEaction;
+ p->debug = DATEdebug;
+ p->free = DATEfree;
+ p->data = mh_xcalloc(1, sizeof(struct date_data));
+ break;
+ default:
+ adios(EX_SOFTWARE, NULL, "unknown nexus type %d", t);
+ }
- p->n_action = action;
return p;
-}
-
-#define args(a) a, fp, msgnum, start, stop
-#define params args(n)
-#define plist \
- register struct nexus *n; \
- register FILE *fp; \
- int msgnum; \
- long start, \
- stop;
+}
static int
-pmatches(FILE *fp, int msgnum, long start, long stop)
+pmatches(FILE *fp, int msgnum)
{
+ struct field f = {{0}};
+ enum state s = FLD2;
+
if (!head)
return 1;
- if (!talked++ && pdebug)
- PRaction(head, 0);
+ if (!talked++ && pdebug && head->debug) {
+ head->debug(head->data, 0);
+ }
- return (*head->n_action) (args(head));
+ while (s == FLD2 || s == BODY2) {
+ switch (s = m_getfld2(s, &f, fp)) {
+ case LENERR2:
+ s = FLD2;
+ /* FALL */
+ case FLD2:
+ if (head->action(&f, msgnum, head->data)) {
+ return TRUE;
+ }
+ break;
+ case BODY2:
+ if (!body) {
+ return FALSE;
+ }
+ if (head->action(&f, msgnum, head->data)) {
+ return TRUE;
+ }
+ break;
+ case IOERR2:
+ advise(NULL, "IOERR in message %d\n", msgnum);
+ return FALSE;
+ case FILEEOF2:
+ return FALSE;
+ default:
+ adios(EX_SOFTWARE, "m_getfld2", "returned unknown state %d at message %d", s, msgnum);
+ }
+ }
+ return FALSE;
}
+void
+print_debug_level(size_t level)
+{
+ size_t i;
-static void
-PRaction(struct nexus *n, int level)
+ for (i = 0; i < level; i++) {
+ fputs("| ", stderr);
+ }
+}
+
+void
+BINdebug(void *data, size_t level)
{
- register int i;
+ struct bin_data *bd = data;
- for (i = 0; i < level; i++)
- fprintf(stderr, "| ");
+ print_debug_level(level);
- if (n->n_action == ORaction) {
- fprintf(stderr, "OR\n");
- PRaction(n->n_L_child, level + 1);
- PRaction(n->n_R_child, level + 1);
- return;
- }
- if (n->n_action == ANDaction) {
- fprintf(stderr, "AND\n");
- PRaction(n->n_L_child, level + 1);
- PRaction(n->n_R_child, level + 1);
- return;
- }
- if (n->n_action == NOTaction) {
- fprintf(stderr, "NOT\n");
- PRaction(n->n_L_child, level + 1);
- return;
- }
- if (n->n_action == GREPaction) {
- fprintf(stderr, "PATTERN(%s) %s\n",
- n->n_header ? "header" : "body", n->n_patbuf);
- return;
- }
- if (n->n_action == TWSaction) {
- fprintf(stderr, "TEMPORAL(%s) %s: %s\n",
- n->n_after ? "after" : "before", n->n_datef,
- dasctime(&n->n_tws));
+ switch (bd->type) {
+ case TYPE_OR:
+ fputs("OR\n", stderr);
+ break;
+ case TYPE_AND:
+ fputs("AND\n", stderr);
+ break;
+ case TYPE_NOT:
+ fputs("NOT\n", stderr);
+ break;
+ default:
+ advise(NULL, "binary nexus has unknown type: %d\n", bd->type);
return;
}
- fprintf(stderr, "UNKNOWN(0x%x)\n",
- (unsigned int)(unsigned long) (*n->n_action));
-}
+ if (bd->left && bd->left->debug) {
+ bd->left->debug(bd->left->data, level+1);
+ } else {
+ print_debug_level(level+1);
+ fputs("can't debug left child\n", stderr);
+ }
-static int
-ORaction(params)
-plist
-{
- if ((*n->n_L_child->n_action) (args(n->n_L_child)))
- return 1;
- return (*n->n_R_child->n_action) (args(n->n_R_child));
+ if (bd->right && bd->right->debug) {
+ bd->right->debug(bd->right->data, level+1);
+ } else if (bd->type != TYPE_NOT) {
+ print_debug_level(level+1);
+ fputs("can't debug right child\n", stderr);
+ }
}
-
-static int
-ANDaction(params)
-plist
+static boolean
+NOTaction(struct field *f, int msgnum, void *data)
{
- if (!(*n->n_L_child->n_action) (args(n->n_L_child)))
- return 0;
- return (*n->n_R_child->n_action) (args(n->n_R_child));
+ struct bin_data *bin = data;
+ return !bin->left->action(f, msgnum, bin->left->data);
}
-
-static int
-NOTaction(params)
-plist
+static boolean
+BINaction(struct field *f, int msgnum, void *data)
{
- return (!(*n->n_L_child->n_action) (args(n->n_L_child)));
-}
-
+ struct bin_data *bin = data;
-static int
-gcompile(struct nexus *n, char *astr)
-{
- register int c;
- int cclcnt;
- register unsigned char *ep, *dp, *sp, *lastep = 0;
-
- dp = (ep = n->n_expbuf) + sizeof n->n_expbuf;
- sp = astr;
- if (*sp == '^') {
- n->n_circf = 1;
- sp++;
+ if (bin->oldmsgnum != msgnum) {
+ bin->oldmsgnum = msgnum;
+ bin->match = FALSE;
+ bin->leftmatch = FALSE;
+ bin->rightmatch = FALSE;
}
- else
- n->n_circf = 0;
- for (;;) {
- if (ep >= dp)
- goto cerror;
- if ((c = *sp++) != '*')
- lastep = ep;
- switch (c) {
- case '\0':
- *ep++ = CEOF;
- return 1;
-
- case '.':
- *ep++ = CDOT;
- continue;
-
- case '*':
- if (lastep == 0)
- goto defchar;
- *lastep |= STAR;
- continue;
- case '$':
- if (*sp != '\0')
- goto defchar;
- *ep++ = CDOL;
- continue;
+ if (bin->match) {
+ return bin->match;
+ }
- case '[':
- *ep++ = CCL;
- *ep++ = 0;
- cclcnt = 0;
- if ((c = *sp++) == '^') {
- c = *sp++;
- ep[-2] = NCCL;
- }
- if (c == '-') {
- *ep++ = c;
- cclcnt++;
- c = *sp++;
- }
- do {
- if (c == '-' && *sp != '\0' && *sp != ']') {
- for (c = ep[-1]+1; c < *sp; c++) {
- *ep++ = c;
- cclcnt++;
- if (c == '\0' || ep >= dp)
- goto cerror;
- }
- } else {
- *ep++ = c;
- cclcnt++;
- if (c == '\0' || ep >= dp)
- goto cerror;
- }
- } while ((c = *sp++) != ']');
- if (cclcnt > 255)
- goto cerror;
- lastep[1] = cclcnt;
- continue;
+ bin->leftmatch = bin->leftmatch || bin->left->action(f, msgnum, bin->left->data);
+ bin->rightmatch = bin->rightmatch || bin->right->action(f, msgnum, bin->right->data);
- case '\\':
- if ((c = *sp++) == '\0')
- goto cerror;
-defchar:
- default:
- *ep++ = CCHR;
- *ep++ = c;
- }
+ switch (bin->type) {
+ case TYPE_OR:
+ bin->match = bin->leftmatch || bin->rightmatch;
+ break;
+ case TYPE_AND:
+ bin->match = bin->leftmatch && bin->rightmatch;
+ break;
+ default:
+ adios(EX_SOFTWARE, NULL, "unknown nexus type: %d\n", bin->type);
}
-cerror: ;
- return 0;
+ return bin->match;
}
-
-static int
-GREPaction(params)
-plist
+static void
+BINfree(struct nexus **n)
{
- int c, body, lf;
- long pos = start;
- register char *p1, *p2, *ebp, *cbp;
- char ibuf[BUFSIZ];
-
- fseek(fp, start, SEEK_SET);
- body = 0;
- ebp = cbp = ibuf;
- for (;;) {
- if (body && n->n_header)
- return 0;
- p1 = linebuf;
- p2 = cbp;
- lf = 0;
- for (;;) {
- if (p2 >= ebp) {
- if (fgets(ibuf, sizeof ibuf, fp) == NULL
- || (stop && pos >= stop)) {
- if (lf)
- break;
- return 0;
- }
- pos += (long) strlen(ibuf);
- p2 = ibuf;
- ebp = ibuf + strlen(ibuf);
- }
- c = *p2++;
- if (lf && c != '\n') {
- if (c != ' ' && c != '\t') {
- --p2;
- break;
- }
- else
- lf = 0;
- }
- if (c == '\n') {
- if (body)
- break;
- else {
- if (lf) {
- body++;
- break;
- }
- lf++;
- c = ' ';
- }
- }
- if (c && p1 < &linebuf[LBSIZE - 1])
- *p1++ = c;
- }
+ struct bin_data *bd;
- *p1++ = 0;
- cbp = p2;
- p1 = linebuf;
- p2 = n->n_expbuf;
+ if (!(*n)) {
+ return;
+ }
- if (n->n_circf) {
- if (advance(p1, p2))
- return 1;
- continue;
- }
+ bd = (*n)->data;
- if (*p2 == CCHR) {
- c = p2[1];
- do {
- if (*p1 == c || cc[(unsigned char)*p1] == c)
- if (advance(p1, p2))
- return 1;
- } while (*p1++);
- continue;
- }
+ if (bd->left && bd->left->free) {
+ bd->left->free(&bd->left);
+ } else {
+ advise(NULL, "BUG: can't free left child");
+ }
- do {
- if (advance(p1, p2))
- return 1;
- } while (*p1++);
+ if (bd->right && bd->right->free) {
+ bd->right->free(&bd->right);
+ } else {
+ advise(NULL, "BUG: can't free right child");
}
-}
+ mh_free0(n);
+}
static int
-advance(char *alp, char *aep)
+gcompile(struct grep_data *g, const char *astr)
{
- register unsigned char *lp, *ep, *curlp;
-
- lp = (unsigned char *)alp;
- ep = (unsigned char *)aep;
- for (;;)
- switch (*ep++) {
- case CCHR:
- if (*ep++ == *lp++ || ep[-1] == cc[lp[-1]])
- continue;
- return 0;
-
- case CDOT:
- if (*lp++)
- continue;
- return 0;
-
- case CDOL:
- if (*lp == 0)
- continue;
- return 0;
-
- case CEOF:
- return 1;
-
- case CCL:
- if (cclass(ep, *lp++, 1)) {
- ep += *ep + 1;
- continue;
- }
- return 0;
+ regex_t *preg = mh_xcalloc(1, sizeof(regex_t));
+ char *buf;
+ int ret;
+
+ g->preg = preg;
+ g->pattern = mh_xstrdup(astr);
+ ret = regcomp(preg, astr, REG_ICASE | REG_NOSUB);
+ if (ret != 0) {
+ buf = mh_xcalloc(BUFSIZ, sizeof(char));
+ regerror(ret, g->preg, buf, BUFSIZ*sizeof(char));
+ fprintf(stderr, "%s\n", buf);
+ return FALSE;
+ }
+ return TRUE;
- case NCCL:
- if (cclass(ep, *lp++, 0)) {
- ep += *ep + 1;
- continue;
- }
- return 0;
+}
- case CDOT | STAR:
- curlp = lp;
- while (*lp++)
- continue;
- goto star;
+static boolean
+GREPaction(struct field *f, int msgnum, void *data)
+{
+ struct grep_data *g = data;
+ int ret;
+ char *buf;
- case CCHR | STAR:
- curlp = lp;
- while (*lp++ == *ep || cc[lp[-1]] == *ep)
- continue;
- ep++;
- goto star;
+ if (!g->header && *f->name) {
+ return FALSE;
+ }
- case CCL | STAR:
- case NCCL | STAR:
- curlp = lp;
- while (cclass(ep, *lp++, ep[-1] == (CCL | STAR)))
- continue;
- ep += *ep + 1;
- goto star;
+ /* check for the right field */
+ if (g->header && *g->header && mh_strcasecmp(g->header, f->name)==0) {
+ return FALSE;
+ }
-star:
- do {
- lp--;
- if (advance(lp, ep))
- return (1);
- } while (lp > curlp);
- return 0;
+ ret = regexec(g->preg, f->value, 0, NULL, 0) == REG_NOMATCH;
+ switch (ret) {
+ case 0:
+ return TRUE;
+ case REG_NOMATCH:
+ return FALSE;
+ default:
+ buf = mh_xcalloc(BUFSIZ, sizeof(char));
+ regerror(ret, g->preg, buf, BUFSIZ*sizeof(char));
+ fprintf(stderr, "%s\n", buf);
+ return FALSE;
+ }
- default:
- admonish(NULL, "advance() botch -- you lose big");
- return 0;
- }
}
+static void
+GREPfree(struct nexus **n)
+{
+ struct grep_data *gd;
+ if (!(*n)) {
+ return;
+ }
+ gd = (*n)->data;
+ mh_free0(&gd->header);
+ regfree(gd->preg);
+ mh_free0(n);
+}
-static int
-cclass(unsigned char *aset, int ac, int af)
+static void
+GREPdebug(void *data, size_t level)
{
- register unsigned int n;
- register unsigned char c, *set;
+ struct grep_data *gd = data;
+ char *buf, *buf2, *pbuf, *pbuf2;
- set = aset;
- if ((c = ac) == 0)
- return (0);
+ pbuf = pbuf2 = mh_xstrdup(gd->pattern);
- n = *set++;
- while (n--)
- if (*set++ == c || set[-1] == cc[c])
- return (af);
+ for (;*pbuf2; pbuf2++) {
+ *pbuf2 = tolower(*pbuf2);
+ }
- return (!af);
-}
+ print_debug_level(level);
+ if (gd->header) {
+ buf = buf2 = mh_xstrdup(gd->header);
+ for (;*buf2; buf2++) {
+ *buf2 = tolower(*buf2);
+ }
+ fprintf(stderr, "PETTERN(%s) %s\n", buf, pbuf);
+ } else {
+ fprintf(stderr, "PETTERN(BODY) %s\n", pbuf);
+ }
+ mh_free0(&buf);
+ mh_free0(&pbuf);
+}
static int
tcompile(char *ap, struct tws *tb, int isafter)
{
- register struct tws *tw;
+ struct tws *tw;
if ((tw = tws_parse(ap, isafter)) == NULL)
return 0;
tws_parse(char *ap, int isafter)
{
char buffer[BUFSIZ];
- register struct tws *tw, *ts;
+ struct tws *tw, *ts;
if ((tw = tws_special(ap)) != NULL) {
tw->tw_sec = tw->tw_min = isafter ? 59 : 0;
{
int i;
time_t clock;
- register struct tws *tw;
+ struct tws *tw;
time(&clock);
if (!mh_strcasecmp(ap, "today"))
}
-static int
-TWSaction(params)
-plist
+static boolean
+DATEaction(struct field *f, int msgnum, void *data)
{
- int state;
- register char *bp;
- char buf[BUFSIZ], name[NAMESZ];
- register struct tws *tw;
-
- fseek(fp, start, SEEK_SET);
- for (state = FLD, bp = NULL;;) {
- switch (state = m_getfld(state, name, buf, sizeof buf, fp)) {
- case FLD:
- case FLDEOF:
- case FLDPLUS:
- if (bp != NULL) {
- free(bp);
- bp = NULL;
- }
- bp = getcpy(buf);
- while (state == FLDPLUS) {
- state = m_getfld(state, name, buf,
- sizeof buf, fp);
- bp = add(buf, bp);
- }
- if (!mh_strcasecmp(name, n->n_datef))
- break;
- if (state != FLDEOF)
- continue;
+ struct date_data *dd = data;
+ boolean state = FALSE;
+ char *bp;
+ struct tws *tw;
- case BODY:
- case BODYEOF:
- case FILEEOF:
- case LENERR:
- case FMTERR:
- if (state == LENERR || state == FMTERR)
- advise(NULL, "format error in message %d", msgnum);
- if (bp != NULL)
- free(bp);
- return 0;
+ if (mh_strcasecmp(f->name, dd->datef)!=0) {
+ return FALSE;
+ }
+ bp = mh_xstrdup(f->value);
+ if ((tw = dparsetime(bp)) == NULL) {
+ advise(NULL, "unable to parse %s field in message %d, not matching...", dd->datef, msgnum);
+ state = FALSE;
+ } else if (dd->after) {
+ state = twsort(tw, &dd->tws) > 0;
+ } else {
+ state = twsort(tw, &dd->tws) < 0;
+ }
+ mh_free0(&bp);
+
+ return state;
+}
+
+static void
+DATEfree(struct nexus **n)
+{
+ struct date_data *dd;
+ if (!(*n)) {
+ return;
+ }
+ dd = (*n)->data;
+
+ mh_free0(n);
+}
+
+static void
+DATEdebug(void *data, size_t level)
+{
+ struct date_data *dd = data;
+ print_debug_level(level);
+ fprintf(stderr, "TEMPORAL(%s) %s: %s\n",dd->after ? "after" : "before", dd->datef, dasctime(&dd->tws));
+}
+
+static struct nexus *
+createpickthread(char *msgs)
+{
+ char *folder = NULL;
+ struct msgs_array msgarray = {0};
+ struct msgs_array files = {0};
+ struct nexus *ret = NULL;
+ struct nexus *c;
+ struct nexus *or;
+ struct bin_data *bd;
+ char *buf;
+ char **cp = brkstring(msgs, " \t", NULL);
+ int i;
+
+ for (; cp && *cp; cp++) {
+ switch (**cp) {
+ case '@':
+ case '+':
+ if (folder) {
+ advise("","");
+ break;
+ }
+ folder = mh_xstrdup(*cp);
+ break;
default:
- adios(NULL, "internal error -- you lose");
+ app_msgarg(&msgarray, mh_xstrdup(*cp));
}
- break;
}
- if ((tw = dparsetime(bp)) == NULL)
- advise(NULL, "unable to parse %s field in message %d, matching...",
- n->n_datef, msgnum), state = 1;
- else
- state = n->n_after ? (twsort(tw, &n->n_tws) > 0)
- : (twsort(tw, &n->n_tws) < 0);
+ parse_msgs(&msgarray, folder, &files);
- if (bp != NULL)
- free(bp);
- return state;
+ for (i = 0; i < files.size; i++) {
+ buf = getthreadid(files.msgs[i]);
+ if (!buf) {
+ continue;
+ }
+
+ c = createonethread(buf);
+
+ if (!ret) {
+ ret = c;
+ continue;
+ }
+
+
+ or = newnexus(TYPE_OR);
+ bd = or->data;
+ bd->right = ret;
+ bd->left = c;
+ ret = or;
+ }
+
+ mh_free0(&(files.msgs));
+ mh_free0(&(msgarray.msgs));
+
+ return ret;
+}
+
+static struct nexus *
+createonethread(char *c)
+{
+ struct nexus *ret = newnexus(TYPE_OR);
+ struct nexus *left = newnexus(TYPE_GREP);
+ struct nexus *right = newnexus(TYPE_GREP);
+ struct bin_data *bd = ret->data;
+ struct grep_data *gd = left->data;
+ char buf[BUFSIZ];
+
+ bd->left = left;
+ bd->right = right;
+ gd->header = "message-id";
+
+ snprintf(buf, sizeof(buf), "^[ \t]*<%s>", c);
+ if(!gcompile(gd, buf)) {
+ padvise(NULL, "pattern error %s", c);
+ goto error;
+ }
+
+ gd = right->data;
+ gd->header = "references";
+
+ snprintf(buf, sizeof(buf), "^[ \t]*<%s>", c);
+ if(!gcompile(gd, buf)) {
+ padvise(NULL, "pattern error in %s", c);
+ goto error;
+ }
+
+ return ret;
+
+error:
+ GREPfree(&left);
+ GREPfree(&right);
+ BINfree(&ret);
+ return NULL;
+
}