emacs: Add new option notmuch-search-hide-excluded

[notmuch] / command-line-arguments.h

diff --git a/command-line-arguments.h b/command-line-arguments.h
index af8b1cebd626d9fd5d5ce8fb89af063581e81c64..606e5cd005f8e60326a48a7e9501263c343aaaae 100644 (file)
--- a/command-line-arguments.h
+++ b/command-line-arguments.h
@@ -1,16 +1,9 @@
 #ifndef NOTMUCH_OPTS_H
 #define NOTMUCH_OPTS_H
 
-#include "notmuch.h"
+#include <stdbool.h>
 
-enum notmuch_opt_type {
-    NOTMUCH_OPT_END = 0,
-    NOTMUCH_OPT_BOOLEAN,       /* --verbose              */
-    NOTMUCH_OPT_INT,           /* --frob=8               */
-    NOTMUCH_OPT_KEYWORD,       /* --format=raw|json|text */
-    NOTMUCH_OPT_STRING,                /* --file=/tmp/gnarf.txt  */
-    NOTMUCH_OPT_POSITION       /* notmuch dump pos_arg   */
-};
+#include "notmuch.h"
 
 /*
  * Describe one of the possibilities for a keyword option
@@ -22,41 +15,50 @@ typedef struct notmuch_keyword {
     int value;
 } notmuch_keyword_t;
 
-/*
- * Describe one option.
- *
- * First two parameters are mandatory.
- *
- * name is mandatory _except_ for positional arguments.
- *
- * arg_id is currently unused, but could define short arguments.
- *
- * keywords is a (possibly NULL) pointer to an array of keywords
- */
+/* Describe one option. */
 typedef struct notmuch_opt_desc {
-    enum notmuch_opt_type opt_type;
-    void *output_var;
+    /* One and only one of opt_* must be set. */
+    const struct notmuch_opt_desc *opt_inherit;
+    bool *opt_bool;
+    int *opt_int;
+    int *opt_keyword;
+    int *opt_flags;
+    const char **opt_string;
+    const char **opt_position;
+
+    /* for opt_keyword only: if no matching arguments were found, and
+     * keyword_no_arg_value is set, then use keyword_no_arg_value instead. */
+    const char *keyword_no_arg_value;
+
+    /* Must be set except for opt_inherit and opt_position. */
     const char *name;
-    int  arg_id;
-    struct notmuch_keyword *keywords;
-} notmuch_opt_desc_t;
 
+    /* Optional, if non-NULL, set to true if the option is present. */
+    bool *present;
 
-/*
-  This is the main entry point for command line argument parsing.
-
-  Parse command line arguments according to structure options,
-  starting at position opt_index.
+    /* Optional, allow empty strings for opt_string. */
+    bool allow_empty;
 
-  All output of parsed values is via pointers in options.
-
-  Parsing stops at -- (consumed) or at the (k+1)st argument
-  not starting with -- (a "positional argument") if options contains
-  k positional argument descriptors.
+    /* Must be set for opt_keyword and opt_flags. */
+    const struct notmuch_keyword *keywords;
+} notmuch_opt_desc_t;
 
-  Returns the index of first non-parsed argument, or -1 in case of error.
 
-*/
+/*
+ * This is the main entry point for command line argument parsing.
+ *
+ * Parse command line arguments according to structure options,
+ * starting at position opt_index.
+ *
+ * All output of parsed values is via pointers in options.
+ *
+ * Parsing stops at -- (consumed) or at the (k+1)st argument
+ * not starting with -- (a "positional argument") if options contains
+ * k positional argument descriptors.
+ *
+ * Returns the index of first non-parsed argument, or -1 in case of error.
+ *
+ */
 int
 parse_arguments (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_index);
 
@@ -68,13 +70,13 @@ parse_arguments (int argc, char **argv, const notmuch_opt_desc_t *options, int o
  * functions.
  */
 
-notmuch_bool_t
-parse_option (const char *arg, const notmuch_opt_desc_t* options);
+int
+parse_option (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_index);
 
-notmuch_bool_t
+bool
 parse_position_arg (const char *arg,
                    int position_arg_index,
-                   const notmuch_opt_desc_t* options);
+                   const notmuch_opt_desc_t *options);
 
 
 #endif