From f40d09cb8f712e87691af4912f3630d92d692779 Mon Sep 17 00:00:00 2001 From: untodesu Date: Thu, 11 Dec 2025 15:14:26 +0500 Subject: Shuffle stuff around - Use the new and improved hierarchy I figured out when making Prospero chat - Re-add NSIS scripts, again from Prospero - Update most build and utility scripts with their most recent versions --- src/core/io/cmdline.cc | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 src/core/io/cmdline.cc (limited to 'src/core/io/cmdline.cc') diff --git a/src/core/io/cmdline.cc b/src/core/io/cmdline.cc new file mode 100644 index 0000000..7a00f37 --- /dev/null +++ b/src/core/io/cmdline.cc @@ -0,0 +1,95 @@ +#include "core/pch.hh" + +#include "core/io/cmdline.hh" + +// Valid options always start with OPTION_PREFIX, can contain +// a bunch of OPTION_PREFIX'es inside and never end with one +constexpr static char OPTION_PREFIX = '-'; + +static std::unordered_map options; + +static inline bool is_option_string(const std::string& string) +{ + if(string.find_last_of(OPTION_PREFIX) >= (string.size() - 1)) { + return false; + } + + return string[0] == OPTION_PREFIX; +} + +static inline std::string get_option(const std::string& string) +{ + std::size_t i; + for(i = 0; string[i] == OPTION_PREFIX; ++i) { + // empty + } + + return std::string(string.cbegin() + i, string.cend()); +} + +void io::cmdline::create(int argc, char** argv) +{ + for(int idx = 1; idx < argc; ++idx) { + std::string string = argv[idx]; + + if(!is_option_string(string)) { + spdlog::warn("cmdline: non-argument at {}: {}", idx, string); + continue; + } + + auto option_string = get_option(string); + auto next_idx = idx + 1; + + if(next_idx < argc) { + std::string argument = argv[next_idx]; + + if(!is_option_string(argument)) { + options.insert_or_assign(option_string, argument); + idx = next_idx; + continue; + } + } + + // The option is either last or has no + // argument (happens when there is a valid + // option right next to the one we're parsing) + options.insert_or_assign(option_string, std::string()); + } +} + +void io::cmdline::insert(std::string_view option) +{ + options.insert_or_assign(std::string(option), std::string()); +} + +void io::cmdline::insert(std::string_view option, std::string_view argument) +{ + options.insert_or_assign(std::string(option), std::string(argument)); +} + +std::string_view io::cmdline::get(std::string_view option, std::string_view fallback) +{ + auto it = options.find(std::string(option)); + + if(it == options.cend()) { + return fallback; + } + + return it->second; +} + +const char* io::cmdline::get_cstr(std::string_view option, const char* fallback) +{ + auto it = options.find(std::string(option)); + + if(it == options.cend()) { + return fallback; + } + + return it->second.c_str(); +} + +bool io::cmdline::contains(std::string_view option) +{ + return options.count(std::string(option)); +} -- cgit