mirror of https://github.com/polybar/polybar.git
93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
#include <algorithm>
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#include <utility>
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#include "components/config.hpp"
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#include "utils/env.hpp"
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#include "utils/file.hpp"
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POLYBAR_NS
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/**
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* Load configuration and validate bar section
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*
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* This is done outside the constructor due to boost::di noexcept
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*/
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void config::load(string file, string barname) {
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m_file = file;
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m_current_bar = move(barname);
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if (!file_util::exists(file)) {
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throw application_error("Could not find config file: " + file);
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}
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try {
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boost::property_tree::read_ini(file, m_ptree);
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} catch (const std::exception& e) {
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throw application_error(e.what());
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}
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auto bars = defined_bars();
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if (std::find(bars.begin(), bars.end(), m_current_bar) == bars.end()) {
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throw application_error("Undefined bar: " + m_current_bar);
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}
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if (env_util::has("XDG_CONFIG_HOME")) {
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file = string_util::replace(file, env_util::get("XDG_CONFIG_HOME"), "$XDG_CONFIG_HOME");
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}
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if (env_util::has("HOME")) {
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file = string_util::replace(file, env_util::get("HOME"), "~");
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}
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m_logger.trace("config: Loaded %s", file);
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m_logger.trace("config: Current bar section: [%s]", bar_section());
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}
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/**
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* Get path of loaded file
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*/
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string config::filepath() const {
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return m_file;
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}
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/**
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* Get the section name of the bar in use
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*/
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string config::bar_section() const {
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return "bar/" + m_current_bar;
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}
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/**
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* Get a list of defined bar sections in the current config
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*/
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vector<string> config::defined_bars() const {
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vector<string> bars;
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for (auto&& p : m_ptree) {
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if (p.first.compare(0, 4, "bar/") == 0) {
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bars.emplace_back(p.first.substr(4));
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}
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}
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return bars;
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}
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/**
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* Build path used to find a parameter in the given section
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*/
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string config::build_path(const string& section, const string& key) const {
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return section + "." + key;
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}
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/**
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* Print a deprecation warning if the given parameter is set
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*/
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void config::warn_deprecated(const string& section, const string& key, string replacement) const {
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try {
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auto value = get<string>(section, key);
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m_logger.warn("The config parameter `%s.%s` is deprecated, use `%s` instead.", section, key, move(replacement));
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} catch (const key_error& err) {
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}
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}
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POLYBAR_NS_END
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