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Do not fail to parse a multi-bar config

This commit is contained in:
tiosgz 2021-07-10 20:22:37 +00:00
parent 7c1303f57c
commit 78aaa5c1b4
3 changed files with 41 additions and 11 deletions
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1
include/client.hpp
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@ -39,6 +39,7 @@ class Client {
void handleOutput(struct waybar_output &output);
bool isValidOutput(const Json::Value &config, struct waybar_output &output);
auto setupConfig(const std::string &config_file, int depth) -> void;
auto resolveConfigIncludes(Json::Value &config, int depth) -> void;
auto mergeConfig(Json::Value &a_config_, Json::Value &b_config_) -> void;
auto setupCss(const std::string &css_file) -> void;
struct waybar_output & getOutput(void *);

3
man/waybar.5.scd.in
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@ -86,8 +86,9 @@ Also a minimal example configuration can be found on the at the bottom of this m
Only functional if compiled with gtk-layer-shell support.
*include* ++
typeof: array ++
typeof: string|array ++
Paths to additional configuration files. In case of duplicate options, the including file's value takes precedence. Make sure to avoid circular imports.
For a multi-bar config, specify at least an empty object for each bar also in every file being included.
# MODULE FORMAT

48
src/client.cpp
View File

@ -245,22 +245,50 @@ auto waybar::Client::setupConfig(const std::string &config_file, int depth) -> v
std::string str((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
util::JsonParser parser;
Json::Value tmp_config_ = parser.parse(str);
if (tmp_config_["include"].isArray()) {
for (const auto &include : tmp_config_["include"]) {
spdlog::info("Including resource file: {}", include.asString());
setupConfig(getValidPath({include.asString()}), ++depth);
if (tmp_config_.isArray()) {
for (auto &config_part : tmp_config_) {
resolveConfigIncludes(config_part, depth);
}
} else {
resolveConfigIncludes(tmp_config_, depth);
}
mergeConfig(config_, tmp_config_);
}
auto waybar::Client::mergeConfig(Json::Value &a_config_, Json::Value &b_config_) -> void {
for (const auto &key : b_config_.getMemberNames()) {
if (a_config_[key].type() == Json::objectValue && b_config_[key].type() == Json::objectValue) {
mergeConfig(a_config_[key], b_config_[key]);
} else {
a_config_[key] = b_config_[key];
auto waybar::Client::resolveConfigIncludes(Json::Value &config, int depth) -> void {
Json::Value includes = config["include"];
if (includes.isArray()) {
for (const auto &include : includes) {
spdlog::info("Including resource file: {}", include.asString());
setupConfig(getValidPath({include.asString()}), ++depth);
}
} else if (includes.isString()) {
spdlog::info("Including resource file: {}", includes.asString());
setupConfig(getValidPath({includes.asString()}), ++depth);
}
}
auto waybar::Client::mergeConfig(Json::Value &a_config_, Json::Value &b_config_) -> void {
if (!a_config_) {
// For the first config
a_config_ = b_config_;
} else if (a_config_.isObject() && b_config_.isObject()) {
for (const auto &key : b_config_.getMemberNames()) {
if (a_config_[key].isObject() && b_config_[key].isObject()) {
mergeConfig(a_config_[key], b_config_[key]);
} else {
a_config_[key] = b_config_[key];
}
}
} else if (a_config_.isArray() && b_config_.isArray()) {
// This can happen only on the top-level array of a multi-bar config
for (Json::Value::ArrayIndex i = 0; i < b_config_.size(); i++) {
if (a_config_[i].isObject() && b_config_[i].isObject()) {
mergeConfig(a_config_[i], b_config_[i]);
}
}
} else {
spdlog::error("Cannot merge config, conflicting or invalid JSON types");
}
}