From ffbedf421739ab2a85855db7903613516e38a752 Mon Sep 17 00:00:00 2001
From: NBonaparte <98007b33@opayq.com>
Date: Fri, 2 Dec 2016 13:31:45 -0800
Subject: [PATCH] feat: Add support for prefix and suffix to formats

---
 include/modules/meta/base.hpp |  2 ++
 include/modules/meta/base.inl |  2 +-
 src/modules/meta/base.cpp     | 19 ++++++++++++++++++-
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/include/modules/meta/base.hpp b/include/modules/meta/base.hpp
index 76e80fd6..0b9fbd46 100644
--- a/include/modules/meta/base.hpp
+++ b/include/modules/meta/base.hpp
@@ -59,6 +59,8 @@ namespace modules {
   struct module_format {
     string value;
     vector<string> tags;
+    label_t prefix;
+    label_t suffix;
     string fg;
     string bg;
     string ul;
diff --git a/include/modules/meta/base.inl b/include/modules/meta/base.inl
index 9f241e3a..98a27d55 100644
--- a/include/modules/meta/base.inl
+++ b/include/modules/meta/base.inl
@@ -159,7 +159,7 @@ namespace modules {
     int i = 0;
     bool tag_built = true;
 
-    for (auto tag : string_util::split(format->value, ' ')) {
+    for (auto&& tag : string_util::split(format->value, ' ')) {
       bool is_blankspace = tag.empty();
 
       if (tag[0] == '<' && tag[tag.length() - 1] == '>') {
diff --git a/src/modules/meta/base.cpp b/src/modules/meta/base.cpp
index 3dce5238..6b14aad9 100644
--- a/src/modules/meta/base.cpp
+++ b/src/modules/meta/base.cpp
@@ -2,6 +2,7 @@
 
 #include "components/builder.hpp"
 #include "modules/meta/base.hpp"
+#include "drawtypes/label.hpp"
 
 POLYBAR_NS
 
@@ -31,7 +32,11 @@ namespace modules {
       builder->space(padding);
     }
 
-    builder->append(move(output));
+    if (!output.empty()) {
+      builder->node(prefix);
+      builder->append(move(output));
+      builder->node(suffix);
+    }
 
     if (padding > 0) {
       builder->space(padding);
@@ -72,6 +77,18 @@ namespace modules {
     format->offset = m_conf.get<int>(m_modname, name + "-offset", 0);
     format->tags.swap(tags);
 
+    try {
+      format->prefix = load_label(m_conf, m_modname, name + "-prefix");
+    } catch (const key_error& err) {
+      // prefix not defined
+    }
+
+    try {
+      format->suffix = load_label(m_conf, m_modname, name + "-suffix");
+    } catch (const key_error& err) {
+      // suffix not defined
+    }
+
     for (auto&& tag : string_util::split(format->value, ' ')) {
       if (tag[0] != '<' || tag[tag.length() - 1] != '>') {
         continue;