Added parse_options

2 files changed, 43 insertions, 1 deletions

diff --git a/src/tools/parser.c b/src/tools/parser.c
index 932fd9aa..375572e0 100644
--- a/src/tools/parser.c
+++ b/src/tools/parser.c
@@ -372,3 +372,43 @@ get_start(char *string, int tokens)
 
     return result_str;
 }
+
+GHashTable *
+parse_options(gchar **args, int start, GList *keys, gboolean *res)
+{
+    GHashTable *options = NULL;
+
+    // no options found, success
+    if (args[start] == NULL) {
+        options = g_hash_table_new(g_str_hash, g_str_equal);
+        *res = TRUE;
+        return options;
+    }
+
+    // check each option is valid and has value, failure if not
+    int curr;
+    for (curr = start; curr < g_strv_length(args); curr+= 2) {
+        if ((g_list_find(keys, args[curr]) == NULL) || (args[curr+1] == NULL)) {
+            *res = FALSE;
+            return options;
+        }
+    }
+
+    // create map
+    options = g_hash_table_new(g_str_hash, g_str_equal);
+    *res = TRUE;
+    for (curr = start; curr < g_strv_length(args); curr+=2) {
+        g_hash_table_insert(options, args[curr], args[curr+1]);
+    }
+
+    return options;
+}
+
+void
+options_destroy(GHashTable *options)
+{
+    if (options != NULL) {
+        g_hash_table_destroy(options);
+        options = NULL;
+    }
+}
\ No newline at end of file
diff --git a/src/tools/parser.h b/src/tools/parser.h
index f03fca81..aef3ad37 100644
--- a/src/tools/parser.h
+++ b/src/tools/parser.h
@@ -29,5 +29,7 @@ gchar** parse_args(const char * const inp, int min, int max, gboolean *result);
 gchar** parse_args_with_freetext(const char * const inp, int min, int max, gboolean *result);
 int count_tokens(char *string);
 char* get_start(char *string, int tokens);
+GHashTable* parse_options(gchar **args, int start, GList *keys, gboolean *res);
+void options_destroy(GHashTable *options);
 
-#endif
+#endif
\ No newline at end of file