From 5a6248518654ec97d95d2c463e3ffb4be7bbf456 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Thu, 13 May 2021 17:20:26 -0400
Subject: Initial commit

---
 src/settings.cc | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/settings.cc

(limited to 'src/settings.cc')

diff --git a/src/settings.cc b/src/settings.cc
new file mode 100644
index 0000000..d19acde
--- /dev/null
+++ b/src/settings.cc
@@ -0,0 +1,28 @@
+#include "settings.h"
+#include <confuse.h>
+#include <errno.h>
+#include <cstring>
+#include <stdexcept>
+
+namespace settings {
+    std::vector<std::string> getLabels() {
+        cfg_opt_t opts[] = {
+            CFG_STR_LIST("labels", NULL, CFGF_NONE),
+            CFG_END()
+        };
+        cfg_t *cfg = cfg_init(opts, CFGF_IGNORE_UNKNOWN);
+        if(cfg_parse(cfg, "annotator.conf") == CFG_PARSE_ERROR) {
+            throw std::runtime_error("Configuration file annotator.conf could not be read: " + std::string(strerror(errno)));
+        }
+        try {
+            std::vector<std::string> ret;
+            std::size_t i;
+            for(i = 0; i < cfg_size(cfg, "labels"); i++) {
+                ret.push_back(cfg_getnstr(cfg, "labels", i));
+            }
+            return ret;
+        } catch(std::exception& e) {
+            throw std::runtime_error("Cannot find 'labels' in configuration file");
+        }
+    }
+}
-- 
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