-
/*
- * picksbr.c -- routines to help pick along...
- *
- * $Id$
- */
+** picksbr.c -- routines to help pick along...
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
#include <h/tws.h>
#include <h/picksbr.h>
+#include <h/utils.h>
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
#endif
static struct swit parswit[] = {
-#define PRAND 0
- { "and", 0 },
-#define PROR 1
- { "or", 0 },
-#define PRNOT 2
- { "not", 0 },
-#define PRLBR 3
- { "lbrace", 0 },
-#define PRRBR 4
- { "rbrace", 0 },
-#define PRCC 5
- { "cc pattern", 0 },
-#define PRDATE 6
- { "date pattern", 0 },
-#define PRFROM 7
- { "from pattern", 0 },
-#define PRSRCH 8
- { "search pattern", 0 },
-#define PRSUBJ 9
- { "subject pattern", 0 },
-#define PRTO 10
- { "to pattern", 0 },
-#define PROTHR 11
- { "-othercomponent pattern", 15 },
-#define PRAFTR 12
- { "after date", 0 },
-#define PRBEFR 13
- { "before date", 0 },
-#define PRDATF 14
- { "datefield field", 5 },
- { NULL, 0 }
+#define PRAND 0
+ { "and", 0 },
+#define PROR 1
+ { "or", 0 },
+#define PRNOT 2
+ { "not", 0 },
+#define PRLBR 3
+ { "lbrace", 0 },
+#define PRRBR 4
+ { "rbrace", 0 },
+#define PRCC 5
+ { "cc pattern", 0 },
+#define PRDATE 6
+ { "date pattern", 0 },
+#define PRFROM 7
+ { "from pattern", 0 },
+#define PRSRCH 8
+ { "search pattern", 0 },
+#define PRSUBJ 9
+ { "subject pattern", 0 },
+#define PRTO 10
+ { "to pattern", 0 },
+#define PROTHR 11
+ { "-othercomponent pattern", 15 },
+#define PRAFTR 12
+ { "after date", 0 },
+#define PRBEFR 13
+ { "before date", 0 },
+#define PRDATF 14
+ { "datefield field", 5 },
+ { NULL, 0 }
};
/* DEFINITIONS FOR PATTERN MATCHING */
/*
- * We really should be using re_comp() and re_exec() here. Unfortunately,
- * pick advertises that lowercase characters matches characters of both
- * cases. Since re_exec() doesn't exhibit this behavior, we are stuck
- * with this version. Furthermore, we need to be able to save and restore
- * the state of the pattern matcher in order to do things "efficiently".
- *
- * The matching power of this algorithm isn't as powerful as the re_xxx()
- * routines (no \(xxx\) and \n constructs). Such is life.
- */
-
-#define CCHR 2
-#define CDOT 4
-#define CCL 6
-#define NCCL 8
-#define CDOL 10
-#define CEOF 11
-
-#define STAR 01
+** We really should be using re_comp() and re_exec() here. Unfortunately,
+** pick advertises that lowercase characters matches characters of both
+** cases. Since re_exec() doesn't exhibit this behavior, we are stuck
+** with this version. Furthermore, we need to be able to save and restore
+** the state of the pattern matcher in order to do things "efficiently".
+**
+** The matching power of this algorithm isn't as powerful as the re_xxx()
+** routines (no \(xxx\) and \n constructs). Such is life.
+*/
+
+#define CCHR 2
+#define CDOT 4
+#define CCL 6
+#define NCCL 8
+#define CDOL 10
+#define CEOF 11
+
+#define STAR 01
#define LBSIZE 1024
-#define ESIZE 256
+#define ESIZE 1024
static char linebuf[LBSIZE + 1];
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
- */
+** DEFINITIONS FOR NEXUS
+*/
-#define nxtarg() (*argp ? *argp++ : NULL)
-#define prvarg() argp--
+#define nxtarg() (*argp ? *argp++ : NULL)
+#define prvarg() argp--
-#define padvise if (!talked++) advise
+#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;
+ 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;
};
-#define n_L_child un.st1.un_L_child
-#define n_R_child un.st1.un_R_child
+#define n_L_child un.st1.un_L_child
+#define n_R_child un.st1.un_R_child
-#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
+#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
-#define n_datef un.st3.un_datef
-#define n_after un.st3.un_after
-#define n_tws un.st3.un_tws
+#define n_datef un.st3.un_datef
+#define n_after un.st3.un_after
+#define n_tws un.st3.un_tws
static int talked;
static int pdebug = 0;
static struct nexus *head;
/*
- * prototypes for date routines
- */
+** prototypes for date routines
+*/
static struct tws *tws_parse();
static struct tws *tws_special();
/*
- * static prototypes
- */
+** static prototypes
+*/
static void PRaction();
static int gcompile();
static int advance();
static int tcompile();
static struct nexus *parse();
-static struct nexus *exp1();
-static struct nexus *exp2();
-static struct nexus *exp3();
+static struct nexus *nexp1();
+static struct nexus *nexp2();
+static struct nexus *nexp3();
static struct nexus *newnexus();
static int ORaction();
int
-pcompile (char **vec, char *date)
+pcompile(char **vec, char *date)
{
- register char *cp;
+ register char *cp;
- if ((cp = getenv ("MHPDEBUG")) && *cp)
- pdebug++;
+ if ((cp = getenv("MHPDEBUG")) && *cp)
+ pdebug++;
- argp = vec;
- if ((datesw = date) == NULL)
- datesw = "date";
- talked = 0;
+ argp = vec;
+ if ((datesw = date) == NULL)
+ datesw = "date";
+ talked = 0;
- if ((head = parse ()) == NULL)
- return (talked ? 0 : 1);
+ if ((head = parse()) == NULL)
+ return (talked ? 0 : 1);
- if (*argp) {
- padvise (NULL, "%s unexpected", *argp);
- return 0;
- }
+ if (*argp) {
+ padvise(NULL, "%s unexpected", *argp);
+ return 0;
+ }
- return 1;
+ return 1;
}
static struct nexus *
-parse (void)
+parse(void)
{
- register char *cp;
- register struct nexus *n, *o;
+ register char *cp;
+ register struct nexus *n, *o;
- if ((n = exp1 ()) == NULL || (cp = nxtarg ()) == NULL)
- return n;
+ if ((n = nexp1()) == NULL || (cp = nxtarg()) == NULL)
+ return n;
- if (*cp != '-') {
- padvise (NULL, "%s unexpected", cp);
- return NULL;
- }
-
- if (*++cp == '-')
- goto header;
- switch (smatch (cp, parswit)) {
- case AMBIGSW:
- ambigsw (cp, parswit);
- talked++;
- return NULL;
- case UNKWNSW:
- fprintf (stderr, "-%s unknown\n", cp);
- talked++;
- return NULL;
-
- case PROR:
- o = newnexus (ORaction);
- o->n_L_child = n;
- if ((o->n_R_child = parse ()))
- return o;
- padvise (NULL, "missing disjunctive");
- return NULL;
+ if (*cp != '-') {
+ padvise(NULL, "%s unexpected", cp);
+ return NULL;
+ }
+
+ if (*++cp == '-')
+ goto header;
+ switch (smatch(cp, parswit)) {
+ case AMBIGSW:
+ ambigsw(cp, parswit);
+ talked++;
+ return NULL;
+ case UNKWNSW:
+ fprintf(stderr, "-%s unknown\n", cp);
+ talked++;
+ return NULL;
+
+ case PROR:
+ o = newnexus(ORaction);
+ o->n_L_child = n;
+ if ((o->n_R_child = parse()))
+ return o;
+ padvise(NULL, "missing disjunctive");
+ return NULL;
header: ;
- default:
- prvarg ();
- return n;
- }
+ default:
+ prvarg();
+ return n;
+ }
}
static struct nexus *
-exp1 (void)
+nexp1(void)
{
- register char *cp;
- register struct nexus *n, *o;
+ register char *cp;
+ register struct nexus *n, *o;
- if ((n = exp2 ()) == NULL || (cp = nxtarg ()) == NULL)
- return n;
+ if ((n = nexp2()) == NULL || (cp = nxtarg()) == NULL)
+ return n;
- if (*cp != '-') {
- padvise (NULL, "%s unexpected", cp);
- return NULL;
- }
-
- if (*++cp == '-')
- goto header;
- switch (smatch (cp, parswit)) {
- case AMBIGSW:
- ambigsw (cp, parswit);
- talked++;
- return NULL;
- case UNKWNSW:
- fprintf (stderr, "-%s unknown\n", cp);
- talked++;
- return NULL;
-
- case PRAND:
- o = newnexus (ANDaction);
- o->n_L_child = n;
- if ((o->n_R_child = exp1 ()))
- return o;
- padvise (NULL, "missing conjunctive");
- return NULL;
+ if (*cp != '-') {
+ padvise(NULL, "%s unexpected", cp);
+ return NULL;
+ }
+
+ if (*++cp == '-')
+ goto header;
+ switch (smatch(cp, parswit)) {
+ case AMBIGSW:
+ ambigsw(cp, parswit);
+ talked++;
+ return NULL;
+ case UNKWNSW:
+ fprintf(stderr, "-%s unknown\n", cp);
+ talked++;
+ return NULL;
+
+ case PRAND:
+ o = newnexus(ANDaction);
+ o->n_L_child = n;
+ if ((o->n_R_child = nexp1()))
+ return o;
+ padvise(NULL, "missing conjunctive");
+ return NULL;
header: ;
- default:
- prvarg ();
- return n;
- }
+ default:
+ prvarg();
+ return n;
+ }
}
static struct nexus *
-exp2 (void)
+nexp2(void)
{
- register char *cp;
- register struct nexus *n;
+ register char *cp;
+ register struct nexus *n;
- if ((cp = nxtarg ()) == NULL)
- return NULL;
+ if ((cp = nxtarg()) == NULL)
+ return NULL;
- if (*cp != '-') {
- prvarg ();
- return exp3 ();
- }
-
- if (*++cp == '-')
- goto header;
- switch (smatch (cp, parswit)) {
- case AMBIGSW:
- ambigsw (cp, parswit);
- talked++;
- return NULL;
- case UNKWNSW:
- fprintf (stderr, "-%s unknown\n", cp);
- talked++;
- return NULL;
-
- case PRNOT:
- n = newnexus (NOTaction);
- if ((n->n_L_child = exp3 ()))
- return n;
- padvise (NULL, "missing negation");
- return NULL;
+ if (*cp != '-') {
+ prvarg();
+ return nexp3();
+ }
+
+ if (*++cp == '-')
+ goto header;
+ switch (smatch(cp, parswit)) {
+ case AMBIGSW:
+ ambigsw(cp, parswit);
+ talked++;
+ return NULL;
+ case UNKWNSW:
+ fprintf(stderr, "-%s unknown\n", cp);
+ talked++;
+ return NULL;
+
+ case PRNOT:
+ n = newnexus(NOTaction);
+ if ((n->n_L_child = nexp3()))
+ return n;
+ padvise(NULL, "missing negation");
+ return NULL;
header: ;
- default:
- prvarg ();
- return exp3 ();
- }
+ default:
+ prvarg();
+ return nexp3();
+ }
}
static struct nexus *
-exp3 (void)
+nexp3(void)
{
- int i;
- register char *cp, *dp;
- char buffer[BUFSIZ], temp[64];
- register struct nexus *n;
+ int i;
+ register char *cp, *dp;
+ char buffer[BUFSIZ], temp[64];
+ register struct nexus *n;
- if ((cp = nxtarg ()) == NULL)
- return NULL;
+ if ((cp = nxtarg()) == NULL)
+ return NULL;
- if (*cp != '-') {
- padvise (NULL, "%s unexpected", cp);
- return NULL;
- }
-
- if (*++cp == '-') {
- dp = ++cp;
- goto header;
- }
- switch (i = smatch (cp, parswit)) {
- case AMBIGSW:
- ambigsw (cp, parswit);
- talked++;
- return NULL;
- case UNKWNSW:
- fprintf (stderr, "-%s unknown\n", cp);
- talked++;
- return NULL;
-
- case PRLBR:
- if ((n = parse ()) == NULL) {
- padvise (NULL, "missing group");
+ if (*cp != '-') {
+ padvise(NULL, "%s unexpected", cp);
return NULL;
- }
- if ((cp = nxtarg ()) == NULL) {
- padvise (NULL, "missing -rbrace");
+ }
+
+ if (*++cp == '-') {
+ dp = ++cp;
+ goto header;
+ }
+ switch (i = smatch(cp, parswit)) {
+ case AMBIGSW:
+ ambigsw(cp, parswit);
+ talked++;
return NULL;
- }
- if (*cp++ == '-' && smatch (cp, parswit) == PRRBR)
- return n;
- padvise (NULL, "%s unexpected", --cp);
- return NULL;
-
- default:
- prvarg ();
- return NULL;
-
- case PRCC:
- case PRDATE:
- case PRFROM:
- case PRTO:
- case PRSUBJ:
- strncpy(temp, parswit[i].sw, sizeof(temp));
- temp[sizeof(temp) - 1] = '\0';
- dp = *brkstring (temp, " ", NULL);
- header: ;
- if (!(cp = nxtarg ())) {/* allow -xyz arguments */
- padvise (NULL, "missing argument to %s", argp[-2]);
+ case UNKWNSW:
+ fprintf(stderr, "-%s unknown\n", cp);
+ talked++;
return NULL;
- }
- n = newnexus (GREPaction);
- n->n_header = 1;
- snprintf (buffer, sizeof(buffer), "^%s[ \t]*:.*%s", dp, cp);
- dp = buffer;
- goto pattern;
-
- case PRSRCH:
- n = newnexus (GREPaction);
- n->n_header = 0;
- if (!(cp = nxtarg ())) {/* allow -xyz arguments */
- padvise (NULL, "missing argument to %s", argp[-2]);
+
+ case PRLBR:
+ if ((n = parse()) == NULL) {
+ padvise(NULL, "missing group");
+ return NULL;
+ }
+ if ((cp = nxtarg()) == NULL) {
+ padvise(NULL, "missing -rbrace");
+ return NULL;
+ }
+ if (*cp++ == '-' && smatch(cp, parswit) == PRRBR)
+ return n;
+ padvise(NULL, "%s unexpected", --cp);
return NULL;
- }
- dp = cp;
- pattern: ;
- if (!gcompile (n, dp)) {
- padvise (NULL, "pattern error in %s %s", argp[-2], cp);
+
+ default:
+ prvarg();
return NULL;
- }
- n->n_patbuf = getcpy (dp);
- return n;
- case PROTHR:
- padvise (NULL, "internal error!");
- return NULL;
+ case PRCC:
+ case PRDATE:
+ case PRFROM:
+ case PRTO:
+ case PRSUBJ:
+ strncpy(temp, parswit[i].sw, sizeof(temp));
+ temp[sizeof(temp) - 1] = '\0';
+ dp = *brkstring(temp, " ", NULL);
+header: ;
+ if (!(cp = nxtarg())) { /* allow -xyz arguments */
+ 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);
+ dp = buffer;
+ goto pattern;
+
+ case PRSRCH:
+ n = newnexus(GREPaction);
+ n->n_header = 0;
+ 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);
+ return NULL;
+ }
+ n->n_patbuf = getcpy(dp);
+ return n;
- case PRDATF:
- if (!(datesw = nxtarg ()) || *datesw == '-') {
- padvise (NULL, "missing argument to %s", argp[-2]);
+ case PROTHR:
+ padvise(NULL, "internal error!");
return NULL;
- }
- return exp3 ();
- case PRAFTR:
- case PRBEFR:
- if (!(cp = nxtarg ())) {/* allow -xyz arguments */
- 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)) {
- padvise (NULL, "unable to parse %s %s", argp[-2], cp);
- return NULL;
- }
- return n;
- }
+ case PRDATF:
+ if (!(datesw = nxtarg()) || *datesw == '-') {
+ padvise(NULL, "missing argument to %s",
+ argp[-2]);
+ return NULL;
+ }
+ return nexp3();
+
+ case PRAFTR:
+ case PRBEFR:
+ if (!(cp = nxtarg())) { /* allow -xyz arguments */
+ 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)) {
+ padvise(NULL, "unable to parse %s %s", argp[-2], cp);
+ return NULL;
+ }
+ return n;
+ }
}
static struct nexus *
-newnexus (int (*action)())
+newnexus(int (*action)())
{
- register struct nexus *p;
+ register struct nexus *p;
- if ((p = (struct nexus *) calloc ((size_t) 1, sizeof *p)) == NULL)
- adios (NULL, "unable to allocate component storage");
+ if ((p = (struct nexus *) calloc((size_t) 1, sizeof *p)) == NULL)
+ adios(NULL, "unable to allocate component storage");
- p->n_action = action;
- return p;
+ 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;
+#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;
int
-pmatches (FILE *fp, int msgnum, long start, long stop)
+pmatches(FILE *fp, int msgnum, long start, long stop)
{
- if (!head)
- return 1;
+ if (!head)
+ return 1;
- if (!talked++ && pdebug)
- PRaction (head, 0);
+ if (!talked++ && pdebug)
+ PRaction(head, 0);
- return (*head->n_action) (args (head));
+ return (*head->n_action) (args(head));
}
static void
-PRaction (struct nexus *n, int level)
+PRaction(struct nexus *n, int level)
{
- register int i;
-
- for (i = 0; i < level; i++)
- fprintf (stderr, "| ");
-
- 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, TW_NULL));
- return;
- }
- fprintf (stderr, "UNKNOWN(0x%x)\n", (unsigned int) (*n->n_action));
+ register int i;
+
+ for (i = 0; i < level; i++)
+ fprintf(stderr, "| ");
+
+ 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, TW_NULL));
+ return;
+ }
+ fprintf(stderr, "UNKNOWN(0x%x)\n",
+ (unsigned int)(unsigned long) (*n->n_action));
}
static int
-ORaction (params)
+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 ((*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));
}
static int
-ANDaction (params)
+ANDaction(params)
plist
{
- 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));
+ 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));
}
static int
-NOTaction (params)
+NOTaction(params)
plist
{
- return (!(*n->n_L_child->n_action) (args (n->n_L_child)));
+ return (!(*n->n_L_child->n_action) (args(n->n_L_child)));
}
static int
-gcompile (struct nexus *n, char *astr)
+gcompile(struct nexus *n, char *astr)
{
- register int c;
- int cclcnt;
- register char *ep, *dp, *sp, *lastep;
-
- dp = (ep = n->n_expbuf) + sizeof n->n_expbuf;
- sp = astr;
- if (*sp == '^') {
- n->n_circf = 1;
- sp++;
- }
- else
- n->n_circf = 0;
- for (;;) {
- if (ep >= dp)
- goto cerror;
- if ((c = *sp++) != '*')
- lastep = ep;
- switch (c) {
- case '\0':
- *ep++ = CEOF;
- return 1;
+ 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++;
+ }
+ 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 '$':
- if (*sp != '\0')
- goto defchar;
- *ep++ = CDOL;
- continue;
-
- case '[':
- *ep++ = CCL;
- *ep++ = 0;
- cclcnt = 1;
- if ((c = *sp++) == '^') {
- c = *sp++;
- ep[-2] = NCCL;
+ case '.':
+ *ep++ = CDOT;
+ continue;
+
+ case '*':
+ if (lastep == 0)
+ goto defchar;
+ *lastep |= STAR;
+ continue;
+
+ case '$':
+ if (*sp != '\0')
+ goto defchar;
+ *ep++ = CDOL;
+ continue;
+
+ 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;
+
+ case '\\':
+ if ((c = *sp++) == '\0')
+ goto cerror;
+defchar:
+ default:
+ *ep++ = CCHR;
+ *ep++ = c;
}
- do {
- *ep++ = c;
- cclcnt++;
- if (c == '\0' || ep >= dp)
- goto cerror;
- } while ((c = *sp++) != ']');
- lastep[1] = cclcnt;
- continue;
-
- case '\\':
- if ((c = *sp++) == '\0')
- goto cerror;
- defchar:
- default:
- *ep++ = CCHR;
- *ep++ = c;
}
- }
cerror: ;
- return 0;
+ return 0;
}
static int
-GREPaction (params)
+GREPaction(params)
plist
{
- 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;
+ 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 (p2 >= ebp) {
- if (fgets (ibuf, sizeof ibuf, fp) == NULL
- || (stop && pos >= stop)) {
- if (lf)
- break;
- return 0;
+ 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;
}
- 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;
- }
- *p1++ = 0;
- cbp = p2;
- p1 = linebuf;
- p2 = n->n_expbuf;
+ *p1++ = 0;
+ cbp = p2;
+ p1 = linebuf;
+ p2 = n->n_expbuf;
- if (n->n_circf) {
- if (advance (p1, p2))
- return 1;
- continue;
- }
+ if (n->n_circf) {
+ if (advance(p1, p2))
+ return 1;
+ continue;
+ }
- 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 (*p2 == CCHR) {
+ c = p2[1];
+ do {
+ if (*p1 == c || cc[(unsigned char)*p1] == c)
+ if (advance(p1, p2))
+ return 1;
+ } while (*p1++);
+ continue;
+ }
- do {
- if (advance (p1, p2))
- return 1;
- } while (*p1++);
- }
+ do {
+ if (advance(p1, p2))
+ return 1;
+ } while (*p1++);
+ }
}
static int
-advance (char *alp, char *aep)
+advance(char *alp, char *aep)
{
- register char *lp, *ep, *curlp;
-
- lp = alp;
- ep = aep;
- for (;;)
- switch (*ep++) {
- case CCHR:
- if (*ep++ == *lp++ || ep[-1] == cc[(unsigned char)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;
- continue;
- }
- return 0;
+ 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 NCCL:
- if (cclass (ep, *lp++, 0)) {
- ep += *ep;
- continue;
+ case CCL:
+ if (cclass(ep, *lp++, 1)) {
+ ep += *ep + 1;
+ continue;
+ }
+ return 0;
+
+ case NCCL:
+ if (cclass(ep, *lp++, 0)) {
+ ep += *ep + 1;
+ continue;
+ }
+ return 0;
+
+ case CDOT | STAR:
+ curlp = lp;
+ while (*lp++)
+ continue;
+ goto star;
+
+ case CCHR | STAR:
+ curlp = lp;
+ while (*lp++ == *ep || cc[lp[-1]] == *ep)
+ continue;
+ ep++;
+ goto star;
+
+ case CCL | STAR:
+ case NCCL | STAR:
+ curlp = lp;
+ while (cclass(ep, *lp++, ep[-1] == (CCL | STAR)))
+ continue;
+ ep += *ep + 1;
+ goto star;
+
+star:
+ do {
+ lp--;
+ if (advance(lp, ep))
+ return (1);
+ } while (lp > curlp);
+ return 0;
+
+ default:
+ admonish(NULL, "advance() botch -- you lose big");
+ return 0;
}
- return 0;
-
- case CDOT | STAR:
- curlp = lp;
- while (*lp++)
- continue;
- goto star;
-
- case CCHR | STAR:
- curlp = lp;
- while (*lp++ == *ep || cc[(unsigned char)lp[-1]] == *ep)
- continue;
- ep++;
- goto star;
-
- case CCL | STAR:
- case NCCL | STAR:
- curlp = lp;
- while (cclass (ep, *lp++, ep[-1] == (CCL | STAR)))
- continue;
- ep += *ep;
- goto star;
-
- star:
- do {
- lp--;
- if (advance (lp, ep))
- return (1);
- } while (lp > curlp);
- return 0;
-
- default:
- admonish (NULL, "advance() botch -- you lose big");
- return 0;
- }
}
static int
-cclass (char *aset, int ac, int af)
+cclass(unsigned char *aset, int ac, int af)
{
- register int n;
- register char c,
- *set;
+ register unsigned int n;
+ register unsigned char c, *set;
- set = aset;
- if ((c = ac) == 0)
- return (0);
+ set = aset;
+ if ((c = ac) == 0)
+ return (0);
- n = *set++;
- while (--n)
- if (*set++ == c)
- return (af);
+ n = *set++;
+ while (n--)
+ if (*set++ == c || set[-1] == cc[c])
+ return (af);
- return (!af);
+ return (!af);
}
static int
-tcompile (char *ap, struct tws *tb, int isafter)
+tcompile(char *ap, struct tws *tb, int isafter)
{
- register struct tws *tw;
+ register struct tws *tw;
- if ((tw = tws_parse (ap, isafter)) == NULL)
- return 0;
+ if ((tw = tws_parse(ap, isafter)) == NULL)
+ return 0;
- twscopy (tb, tw);
- return 1;
+ twscopy(tb, tw);
+ return 1;
}
static struct tws *
-tws_parse (char *ap, int isafter)
+tws_parse(char *ap, int isafter)
{
- char buffer[BUFSIZ];
- register struct tws *tw, *ts;
-
- if ((tw = tws_special (ap)) != NULL) {
- tw->tw_sec = tw->tw_min = isafter ? 59 : 0;
- tw->tw_hour = isafter ? 23 : 0;
- return tw;
- }
- if ((tw = dparsetime (ap)) != NULL)
- return tw;
-
- if ((ts = dlocaltimenow ()) == NULL)
- return NULL;
+ char buffer[BUFSIZ];
+ register struct tws *tw, *ts;
+
+ if ((tw = tws_special(ap)) != NULL) {
+ tw->tw_sec = tw->tw_min = isafter ? 59 : 0;
+ tw->tw_hour = isafter ? 23 : 0;
+ return tw;
+ }
+ if ((tw = dparsetime(ap)) != NULL)
+ return tw;
- snprintf (buffer, sizeof(buffer), "%s %s", ap, dtwszone (ts));
- if ((tw = dparsetime (buffer)) != NULL)
- return tw;
+ if ((ts = dlocaltimenow()) == NULL)
+ return NULL;
+
+ snprintf(buffer, sizeof(buffer), "%s %s", ap, dtwszone(ts));
+ if ((tw = dparsetime(buffer)) != NULL)
+ return tw;
- snprintf (buffer, sizeof(buffer), "%s %02d:%02d:%02d %s", ap,
- ts->tw_hour, ts->tw_min, ts->tw_sec, dtwszone (ts));
- if ((tw = dparsetime (buffer)) != NULL)
- return tw;
+ snprintf(buffer, sizeof(buffer), "%s %02d:%02d:%02d %s", ap,
+ ts->tw_hour, ts->tw_min, ts->tw_sec, dtwszone(ts));
+ if ((tw = dparsetime(buffer)) != NULL)
+ return tw;
- snprintf (buffer, sizeof(buffer), "%02d %s %04d %s",
- ts->tw_mday, tw_moty[ts->tw_mon], ts->tw_year, ap);
- if ((tw = dparsetime (buffer)) != NULL)
- return tw;
+ snprintf(buffer, sizeof(buffer), "%02d %s %04d %s",
+ ts->tw_mday, tw_moty[ts->tw_mon], ts->tw_year, ap);
+ if ((tw = dparsetime(buffer)) != NULL)
+ return tw;
- snprintf (buffer, sizeof(buffer), "%02d %s %04d %s %s",
- ts->tw_mday, tw_moty[ts->tw_mon], ts->tw_year,
- ap, dtwszone (ts));
- if ((tw = dparsetime (buffer)) != NULL)
- return tw;
+ snprintf(buffer, sizeof(buffer), "%02d %s %04d %s %s",
+ ts->tw_mday, tw_moty[ts->tw_mon], ts->tw_year,
+ ap, dtwszone(ts));
+ if ((tw = dparsetime(buffer)) != NULL)
+ return tw;
- return NULL;
+ return NULL;
}
static struct tws *
-tws_special (char *ap)
+tws_special(char *ap)
{
- int i;
- time_t clock;
- register struct tws *tw;
-
- time (&clock);
- if (!strcasecmp (ap, "today"))
- return dlocaltime (&clock);
- if (!strcasecmp (ap, "yesterday")) {
- clock -= (long) (60 * 60 * 24);
- return dlocaltime (&clock);
- }
- if (!strcasecmp (ap, "tomorrow")) {
- clock += (long) (60 * 60 * 24);
- return dlocaltime (&clock);
- }
-
- for (i = 0; tw_ldotw[i]; i++)
- if (!strcasecmp (ap, tw_ldotw[i]))
- break;
- if (tw_ldotw[i]) {
- if ((tw = dlocaltime (&clock)) == NULL)
- return NULL;
- if ((i -= tw->tw_wday) > 0)
- i -= 7;
- }
- else
- if (*ap != '-')
- return NULL;
- else /* -ddd days ago */
- i = atoi (ap); /* we should error check this */
-
- clock += (long) ((60 * 60 * 24) * i);
- return dlocaltime (&clock);
+ int i;
+ time_t clock;
+ register struct tws *tw;
+
+ time(&clock);
+ if (!mh_strcasecmp(ap, "today"))
+ return dlocaltime(&clock);
+ if (!mh_strcasecmp(ap, "yesterday")) {
+ clock -= (long) (60 * 60 * 24);
+ return dlocaltime(&clock);
+ }
+ if (!mh_strcasecmp(ap, "tomorrow")) {
+ clock += (long) (60 * 60 * 24);
+ return dlocaltime(&clock);
+ }
+
+ for (i = 0; tw_ldotw[i]; i++)
+ if (!mh_strcasecmp(ap, tw_ldotw[i]))
+ break;
+ if (tw_ldotw[i]) {
+ if ((tw = dlocaltime(&clock)) == NULL)
+ return NULL;
+ if ((i -= tw->tw_wday) > 0)
+ i -= 7;
+ }
+ else
+ if (*ap != '-')
+ return NULL;
+ else /* -ddd days ago */
+ i = atoi(ap); /* we should error check this */
+
+ clock += (long) ((60 * 60 * 24) * i);
+ return dlocaltime(&clock);
}
static int
-TWSaction (params)
+TWSaction(params)
plist
{
- 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 = add (buf, NULL);
- while (state == FLDPLUS) {
- state = m_getfld (state, name, buf, sizeof buf, fp);
- bp = add (buf, bp);
+ 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;
+
+ 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;
+
+ default:
+ adios(NULL, "internal error -- you lose");
}
- if (!strcasecmp (name, n->n_datef))
- break;
- if (state != FLDEOF)
- continue;
-
- 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;
-
- default:
- adios (NULL, "internal error -- you lose");
+ break;
}
- 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);
-
- if (bp != NULL)
- free (bp);
- return state;
+
+ 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);
+
+ if (bp != NULL)
+ free(bp);
+ return state;
}
projects / mmh / blobdiff