53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
#ifndef _OPTION_H
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#define _OPTION_H
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#include <list>
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#include <string>
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#include <exception>
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#include "error.h"
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typedef void (*handler_t)(const char * arg);
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struct option_t {
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const char * long_opt;
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char short_opt;
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bool wants_arg;
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handler_t handler;
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bool handled;
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};
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class option_error : public error {
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public:
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option_error(const std::string& reason) throw() : error(reason) {}
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virtual ~option_error() throw() {}
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};
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bool process_option(option_t * options, const std::string& opt,
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const char * arg = NULL);
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void process_arguments(option_t * options, int argc, char ** argv,
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const bool anywhere, std::list<std::string>& args);
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void process_environment(option_t * options, const char ** envp,
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const std::string& tag);
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namespace ledger {
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class config_t;
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class report_t;
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extern config_t * config;
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extern report_t * report;
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#define CONFIG_OPTIONS_SIZE 98
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extern option_t config_options[CONFIG_OPTIONS_SIZE];
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void option_help(std::ostream& out);
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#define OPT_BEGIN(tag, chars) \
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void opt_ ## tag(const char * optarg)
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#define OPT_END(tag)
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} // namespace ledger
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#endif // _OPTION_H
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