Added the search conditions "today" and "yesterday".

diff --git a/mymail.c b/mymail.c
index d8cf2c7..b25b06b 100644 (file)
--- a/mymail.c
+++ b/mymail.c
@@ -43,6 +43,7 @@
 #include <limits.h>
 #include <dirent.h>
 #include <regex.h>
+#include <time.h>
 
 #define MYMAIL_DB_MAGIC_TOKEN "mymail_index_file"
 #define VERSION "0.9.1"
@@ -61,29 +62,33 @@ int paranoid;
 int action_index;
 int quiet;
 
+time_t being_today;
+
 /********************************************************************/
 
 enum {
   ID_MAIL = 0,
-  ID_FIRST_LINE,
+  ID_LEADING_LINE,
   ID_FROM,
   ID_TO,
   ID_SUBJECT,
   ID_DATE,
   ID_PARTICIPANT,
   ID_BODY,
+  ID_INTERVAL,
   MAX_ID
 };
 
 static char *field_names[] = {
   "mail",
-  "first",
+  "lead",
   "from",
   "to",
   "subject",
   "date",
   "part",
-  "body"
+  "body",
+  "interval"
 };
 
 /********************************************************************/
@@ -92,6 +97,7 @@ struct search_condition {
   int field_id;
   int negation;
   regex_t regexp;
+  time_t interval_start, interval_stop;
 };
 
 /********************************************************************/
@@ -104,7 +110,7 @@ struct parsable_field {
 
 static struct parsable_field fields_to_parse[] = {
   {
-    ID_FIRST_LINE,
+    ID_LEADING_LINE,
     "^From ",
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
   },
@@ -212,12 +218,43 @@ int ignore_entry(const char *name) {
 
 int mbox_line_match_search(struct search_condition *condition,
                            int mbox_id, char *mbox_value) {
-  return
-    (condition->field_id == mbox_id ||
-     (condition->field_id == ID_PARTICIPANT && (mbox_id == ID_FROM || mbox_id == ID_TO)) ||
-     (condition->field_id == ID_FROM && mbox_id == ID_FIRST_LINE))
-    &&
-    regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0;
+
+  if(condition->field_id == ID_INTERVAL) {
+    if(mbox_id == ID_LEADING_LINE) {
+      char *c;
+      time_t t;
+      struct tm tm;
+
+      c = mbox_value;
+      while(*c && *c != ' ') c++; while(*c && *c == ' ') c++;
+      strptime(c, "%a %b %e %k:%M:%S %Y", &tm);
+      t = mktime(&tm);
+
+      return (t >= condition->interval_start &&
+              (condition->interval_stop == 0 ||
+               t <= condition->interval_stop));
+    } else {
+      return 0;
+    }
+  } else {
+    return
+      (
+
+       (condition->field_id == mbox_id)
+
+       ||
+
+       (condition->field_id == ID_PARTICIPANT && (mbox_id == ID_LEADING_LINE ||
+                                                  mbox_id == ID_FROM ||
+                                                  mbox_id == ID_TO))
+       ||
+
+       (condition->field_id == ID_FROM && mbox_id == ID_LEADING_LINE)
+
+       )
+      &&
+      regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0;
+  }
 }
 
 void search_in_db(FILE *db_file,
@@ -797,7 +834,6 @@ int main(int argc, char **argv) {
 
       for(n = 0; n < nb_search_conditions; n++) {
         search_field = search_condition_strings[n];
-        search_regexp_string = segment_next_field(search_condition_strings[n]);
 
         if(search_field[0] == '!') {
           search_field++;
@@ -806,28 +842,45 @@ int main(int argc, char **argv) {
           search_conditions[n].negation = 0;
         }
 
-        search_conditions[n].field_id = -1;
-        for(m = 0; (m < MAX_ID) && search_conditions[n].field_id == -1; m++) {
-          if(strncmp(field_names[m], search_field, strlen(search_field)) == 0) {
-            search_conditions[n].field_id = m;
-          }
+        if(strcmp(search_field, "today") == 0) {
+          search_conditions[n].field_id = ID_INTERVAL;
+          search_conditions[n].interval_start = time(0) - 3600 * 24;
+          search_conditions[n].interval_stop = 0;
         }
 
-        if(search_conditions[n].field_id == -1) {
-          fprintf(stderr,
-                  "mymail: Syntax error in field name \"%s\".\n",
-                  search_field);
-          exit(EXIT_FAILURE);
+        else if(strcmp(search_field, "yesterday") == 0) {
+          search_conditions[n].field_id = ID_INTERVAL;
+          search_conditions[n].interval_start = time(0) - 2 * 3600 * 24;
+          search_conditions[n].interval_stop = time(0) - 3600 * 24;
         }
 
-        if(regcomp(&search_conditions[n].regexp,
-                   search_regexp_string,
-                   REG_ICASE)) {
-          fprintf(stderr,
-                  "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n",
-                  search_regexp_string,
-                  field_names[search_conditions[n].field_id]);
-          exit(EXIT_FAILURE);
+        else {
+          search_regexp_string = segment_next_field(search_condition_strings[n]);
+
+          search_conditions[n].field_id = -1;
+
+          for(m = 0; (m < MAX_ID) && search_conditions[n].field_id == -1; m++) {
+            if(strncmp(field_names[m], search_field, strlen(search_field)) == 0) {
+              search_conditions[n].field_id = m;
+            }
+          }
+
+          if(search_conditions[n].field_id == -1) {
+            fprintf(stderr,
+                    "mymail: Syntax error in field name \"%s\".\n",
+                    search_field);
+            exit(EXIT_FAILURE);
+          }
+
+          if(regcomp(&search_conditions[n].regexp,
+                     search_regexp_string,
+                     REG_ICASE)) {
+            fprintf(stderr,
+                    "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n",
+                    search_regexp_string,
+                    field_names[search_conditions[n].field_id]);
+            exit(EXIT_FAILURE);
+          }
         }
       }