--- /dev/null
+/*
+ * Copyright notice from original mutt:
+ * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
+ *
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
+
+#include <lib-lib/lib-lib.h>
+
+#include "mutt.h"
+#include "sort.h"
+#include "pattern.h"
+#include "score.h"
+@import "lib-lua/base.cpkg"
+
+@package mod_score {
+ bool enable = 1;
+ /*
+ ** .pp
+ ** When this variable is \fIunset\fP, scoring is turned off. This can
+ ** be useful to selectively disable scoring for certain folders when the
+ ** ``$$score_threshold_delete'' variable and friends are used.
+ **
+ */
+ int threshold_flag = 9999;
+ /*
+ ** .pp
+ ** Messages which have been assigned a score greater than or equal to this
+ ** variable's value are automatically marked ``flagged''.
+ */
+ int threshold_delete = -1;
+ /*
+ ** .pp
+ ** Messages which have been assigned a score equal to or lower than the value
+ ** of this variable are automatically marked for deletion by Madmutt. Since
+ ** Madmutt scores are always greater than or equal to zero, the default setting
+ ** of this variable will never mark a message for deletion.
+ */
+ int threshold_read = -1;
+ /*
+ ** .pp
+ ** Messages which have been assigned a score equal to or lower than the value
+ ** of this variable are automatically marked as read by Madmutt. Since
+ ** Madmutt scores are always greater than or equal to zero, the default setting
+ ** of this variable will never mark a message read.
+ */
+};
+
+typedef struct score_t {
+ char *str;
+ pattern_t *pat;
+ int val;
+ int exact; /* if this rule matches, don't evaluate any more */
+ struct score_t *next;
+} score_t;
+DO_INIT(score_t, score);
+static void score_wipe(score_t *sc)
+{
+ pattern_list_wipe(&sc->pat);
+ p_delete(&sc->str);
+}
+DO_NEW(score_t, score);
+DO_DELETE(score_t, score);
+DO_SLIST(score_t, score, score_delete);
+
+static score_t *Score = NULL;
+
+void mutt_check_rescore (CONTEXT * ctx)
+{
+ int i;
+
+ if (option (OPTNEEDRESCORE) && mod_score.enable) {
+ if ((Sort & SORT_MASK) == SORT_SCORE ||
+ (SortAux & SORT_MASK) == SORT_SCORE) {
+ set_option (OPTNEEDRESORT);
+ if ((Sort & SORT_MASK) == SORT_THREADS)
+ set_option (OPTSORTSUBTHREADS);
+ }
+
+ /* must redraw the index since the user might have %N in it */
+ set_option (OPTFORCEREDRAWINDEX);
+ set_option (OPTFORCEREDRAWPAGER);
+
+ for (i = 0; ctx && i < ctx->msgcount; i++) {
+ mutt_score_message (ctx, ctx->hdrs[i], 1);
+ ctx->hdrs[i]->pair = 0;
+ }
+ }
+ unset_option (OPTNEEDRESCORE);
+}
+
+int mutt_parse_score (BUFFER * buf, BUFFER * s,
+ unsigned long data __attribute__ ((unused)),
+ BUFFER * err)
+{
+ char *pattern, *pc;
+ struct pattern_t *pat;
+ score_t **last;
+
+ mutt_extract_token (buf, s, 0);
+ if (!MoreArgs (s)) {
+ m_strcpy(err->data, err->dsize, _("score: too few arguments"));
+ return (-1);
+ }
+ pattern = buf->data;
+ p_clear(buf, 1);
+ mutt_extract_token (buf, s, 0);
+ if (MoreArgs (s)) {
+ p_delete(&pattern);
+ m_strcpy(err->data, err->dsize, _("score: too many arguments"));
+ return (-1);
+ }
+
+ /* look for an existing entry and update the value, else add it to the end
+ of the list */
+ for (last = &Score; *last; last = &(*last)->next) {
+ if (m_strcmp(pattern, (*last)->str) == 0)
+ break;
+ }
+ if (!*last) {
+ if (!(pat = mutt_pattern_comp(pattern, 0, err))) {
+ p_delete(&pattern);
+ return (-1);
+ }
+ *last = score_new();
+ (*last)->pat = pat;
+ (*last)->str = pattern;
+ }
+ pc = buf->data;
+ pc += (*last)->exact = (*pc == '=');
+ (*last)->val = atoi(pc);
+ set_option(OPTNEEDRESCORE);
+ return 0;
+}
+
+void mutt_score_message (CONTEXT * ctx, HEADER * hdr, int upd_ctx)
+{
+ score_t *tmp;
+
+ hdr->score = 0; /* in case of re-scoring */
+ for (tmp = Score; tmp; tmp = tmp->next) {
+ if (mutt_pattern_exec (tmp->pat, M_MATCH_FULL_ADDRESS, NULL, hdr) > 0) {
+ if (tmp->exact || tmp->val == 9999 || tmp->val == -9999) {
+ hdr->score = tmp->val;
+ break;
+ }
+ hdr->score += tmp->val;
+ }
+ }
+ if (hdr->score < 0)
+ hdr->score = 0;
+
+ if (hdr->score <= mod_score.threshold_delete)
+ _mutt_set_flag (ctx, hdr, M_DELETE, 1, upd_ctx);
+ if (hdr->score <= mod_score.threshold_flag)
+ _mutt_set_flag (ctx, hdr, M_READ, 1, upd_ctx);
+ if (hdr->score >= mod_score.threshold_flag)
+ _mutt_set_flag (ctx, hdr, M_FLAG, 1, upd_ctx);
+}
+
+int mutt_parse_unscore(BUFFER * buf, BUFFER * s,
+ unsigned long data __attribute__ ((unused)),
+ BUFFER * err __attribute__ ((unused)))
+{
+ while (MoreArgs(s)) {
+ mutt_extract_token(buf, s, 0);
+ if (!m_strcmp("*", buf->data)) {
+ score_list_wipe(&Score);
+ } else {
+ score_t **last;
+
+ for (last = &Score; *last; last = &(*last)->next) {
+ if (!m_strcmp(buf->data, (*last)->str)) {
+ score_t *tmp = score_list_pop(last);
+ score_delete(&tmp);
+ break;
+ }
+ }
+ }
+ }
+ set_option (OPTNEEDRESCORE);
+ return 0;
+}
+
+/* vim:set ft=c: */