Restructure source and resource files (#46)

importantly, res is now res/res and css is now res/css

src/discord/emoji.cpp

@@ -0,0 +1,51 @@
+#include "emoji.hpp"
+
+void from_json(const nlohmann::json &j, EmojiData &m) {
+    JS_N("id", m.ID);
+    JS_N("name", m.Name);
+    JS_O("roles", m.Roles);
+    JS_O("user", m.Creator);
+    JS_O("require_colons", m.NeedsColons);
+    JS_O("managed", m.IsManaged);
+    JS_O("animated", m.IsAnimated);
+    JS_O("available", m.IsAvailable);
+}
+
+void to_json(nlohmann::json &j, const EmojiData &m) {
+    if (m.ID.IsValid())
+        j["id"] = m.ID;
+    else
+        j["id"] = nullptr;
+    if (m.Name != "")
+        j["name"] = m.Name;
+    else
+        j["name"] = nullptr;
+    JS_IF("roles", m.Roles);
+    JS_IF("user", m.Creator);
+    JS_IF("require_colons", m.NeedsColons);
+    JS_IF("managed", m.IsManaged);
+    JS_IF("animated", m.IsAnimated);
+    JS_IF("available", m.IsAvailable);
+}
+
+std::string EmojiData::GetURL(const char *ext, const char *size) const {
+    if (size != nullptr)
+        return "https://cdn.discordapp.com/emojis/" + std::to_string(ID) + "." + ext + "?size=" + size;
+    else
+        return "https://cdn.discordapp.com/emojis/" + std::to_string(ID) + "." + ext;
+}
+
+std::string EmojiData::URLFromID(const std::string &emoji_id, const char *ext, const char *size) {
+    if (size != nullptr)
+        return "https://cdn.discordapp.com/emojis/" + emoji_id + "." + ext + "?size=" + size;
+    else
+        return "https://cdn.discordapp.com/emojis/" + emoji_id + "." + ext;
+}
+
+std::string EmojiData::URLFromID(Snowflake emoji_id, const char *ext, const char *size) {
+    return URLFromID(std::to_string(emoji_id), ext, size);
+}
+
+std::string EmojiData::URLFromID(const Glib::ustring &emoji_id, const char *ext, const char *size) {
+    return URLFromID(emoji_id.raw(), ext, size);
+}