code: C++/OptionParser.cpp annotate

annotate C++/OptionParser.cpp @ 304:bae4af872cde

MFS

author	David Demelier <markand@malikania.fr>
date	Sat, 15 Nov 2014 13:19:30 +0100
parents	ff2db0ed78f1
children	99e83685d4da

rev	line source
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	1 /*
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	2 * OptionParser.cpp -- safe getopt(3) replacement
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	3 *
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	4 * Copyright (c) 2013, 2014 David Demelier <markand@malikania.fr>
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	5 *
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	6 * Permission to use, copy, modify, and/or distribute this software for any
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	7 * purpose with or without fee is hereby granted, provided that the above
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	8 * copyright notice and this permission notice appear in all copies.
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	9 *
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	17 */
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	18
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	19 #include <iostream>
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	20 #include <iomanip>
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	21
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	22 #include "OptionParser.h"
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	23
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	24 /* --------------------------------------------------------
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	25 * Option class
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	26 * -------------------------------------------------------- */
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	27
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	28 Option::Option(const std::string &name, const std::string &help, Type type, int flags)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	29 : m_name(name)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	30 , m_help(help)
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	31 , m_flags(flags)
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	32 , m_type(type)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	33 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	34 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	35
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	36 const std::string &Option::name() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	37 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	38 return m_name;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	39 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	40
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	41 const std::string &Option::token() const
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	42 {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	43 return m_token;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	44 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	45
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	46 const std::string &Option::help() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	47 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	48 return m_help;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	49 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	50
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	51 Option::Type Option::type() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	52 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	53 return m_type;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	54 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	55
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	56 int Option::flags() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	57 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	58 return m_flags;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	59 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	60
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	61 /* --------------------------------------------------------
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	62 * OptionValue class
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	63 * -------------------------------------------------------- */
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	64
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	65 OptionValue::OptionValue(const std::string &name)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	66 : m_name(name)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	67 , m_enabled(true)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	68 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	69 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	70
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	71 OptionValue::OptionValue(const std::string &name, const std::string &value)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	72 : m_name(name)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	73 , m_value(value)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	74 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	75 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	76
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	77 const std::string &OptionValue::name() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	78 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	79 return m_name;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	80 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	81
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	82 const std::string &OptionValue::value() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	83 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	84 return m_value;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	85 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	86
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	87 OptionValue::operator bool() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	88 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	89 return m_enabled;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	90 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	91
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	92 OptionValue::operator std::string() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	93 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	94 return m_value;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	95 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	96
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	97 /* --------------------------------------------------------
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	98 * OptionResult class
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	99 * -------------------------------------------------------- */
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	100
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	101 auto OptionResult::begin() -> decltype(m_values.begin())
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	102 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	103 return m_values.begin();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	104 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	105
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	106 auto OptionResult::begin() const -> decltype(m_values.begin())
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	107 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	108 return m_values.begin();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	109 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	110
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	111 auto OptionResult::cbegin() const -> decltype(m_values.cbegin())
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	112 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	113 return m_values.begin();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	114 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	115
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	116 auto OptionResult::end() -> decltype(m_values.end())
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	117 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	118 return m_values.end();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	119 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	120
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	121 auto OptionResult::end() const -> decltype(m_values.end())
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	122 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	123 return m_values.end();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	124 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	125
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	126 auto OptionResult::cend() const -> decltype(m_values.cend())
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	127 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	128 return m_values.cend();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	129 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	130
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	131 int OptionResult::count() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	132 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	133 return static_cast<int>(m_values.size());
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	134 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	135
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	136 int OptionResult::total() const
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	137 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	138 return m_total;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	139 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	140
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	141 /* --------------------------------------------------------
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	142 * OptionParser class
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	143 * -------------------------------------------------------- */
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	144
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	145 OptionParser::Args OptionParser::unpack(const Args &args) const
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	146 {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	147 if (m_style != Getopt)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	148 return args;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	149
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	150 Args ret;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	151
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	152 for (const auto &s : args) {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	153 auto length = s.length();
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	154
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	155 if (length < 2 \|\| s[0] != '-' \|\| s[1] == '-') {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	156 ret.push_back(s);
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	157 continue;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	158 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	159
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	160 for (int i = 1; i < (int)length; ++i) {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	161 ret.push_back(std::string("-") + std::string(&s[i], 1));
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	162 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	163 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	164
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	165 return ret;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	166 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	167
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	168 OptionParser::OptionParser(Style style)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	169 : m_style(style)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	170 {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	171 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	172
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	173 void OptionParser::add(Option &&option)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	174 {
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	175 const auto &length = option.m_name.size();
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	176
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	177 if (length > m_maxlength)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	178 m_maxlength = length;
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	179
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	180 /*
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	181 * If style is Getopt, we should use a double dash as the long option
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	182 * like --color and a single for short options like -v
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	183 */
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	184 if (m_style == Getopt) {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	185 if (length > 1)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	186 option.m_token = "--" + option.m_name;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	187 else
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	188 option.m_token = "-" + option.m_name;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	189 } else
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	190 option.m_token = "/" + option.m_name;
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	191
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	192 m_options.emplace(std::make_pair(option.m_token, std::move(option)));
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	193 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	194
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	195 void OptionParser::add(const Option &option)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	196 {
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	197 add(Option(option));
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	198 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	199
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	200 OptionResult OptionParser::parse(int argc, const char * const *argv, int flags)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	201 {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	202 Args args;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	203
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	204 for (int i = 0; i < argc; ++i)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	205 args.push_back(argv[i]);
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	206
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	207 return parse(args, flags);
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	208 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	209
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	210 OptionResult OptionParser::parse(const Args &argslist, int flags)
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	211 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	212 OptionResult result;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	213 int i;
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	214 auto args = unpack(argslist);
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	215 auto length = args.size();
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	216
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	217 for (i = 0; i < (int)length; ++i) {
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	218 /* Not a valid option at all? */
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	219 if (m_options.count(args[i]) == 0) {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	220 /* When breaking is enabled we should not emit a warning */
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	221 if (flags & Strict) {
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	222 if (!(flags & Silent)) {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	223 log(args[i], args[i] + " is not a valid option");
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	224 usage();
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	225 }
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	226
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	227 break;
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	228 } else if (flags & BreakNonOption)
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	229 break;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	230 else
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	231 continue;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	232 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	233
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	234 /*
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	235 * At this step, we have an option name valid, check if it requires
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	236 * an argument or not.
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	237 */
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	238 const auto &option = m_options.at(args[i]);
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	239 const auto &name = option.name();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	240 auto type = option.type();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	241
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	242 /*
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	243 * Already present and must appears only once?
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	244 */
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	245 if ((option.flags() & Option::Single) && m_placed.count(name) > 0) {
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	246 if (!(flags & Silent)) {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	247 log(name, "option " + name + " must appear only once");
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	248
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	249 if (flags & Strict) {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	250 usage();
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	251 break;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	252 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	253 } else if (flags & Strict)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	254 break;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	255 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	256
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	257 /*
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	258 * Need an argument or it is a simple switch ?
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	259 */
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	260 if (type == Option::Type::Switch)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	261 result.m_values.push_back(OptionValue(name));
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	262 else {
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	263 if (i + 1 >= (int)length)
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	264 result.m_values.push_back(OptionValue(name, ""));
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	265 else {
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	266 result.m_values.push_back(OptionValue(name, args[i + 1]));
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	267 ++ i;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	268 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	269 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	270
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	271 m_placed.insert(name);
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	272 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	273
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	274 result.m_total = i;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	275
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	276 return result;
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	277
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	278 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	279
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	280 void OptionParser::usage()
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	281 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	282 std::cout << "options available: " << std::endl;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	283
236 ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	284 for (const auto &option : m_options) {
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	285 std::cout << " " << std::setw(m_maxlength) << option.second.name();
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	286 std::cout << "\t" << option.second.help() << std::endl;
ff2db0ed78f1 * Import GoogleTest David Demelier <markand@malikania.fr> parents: 229 diff changeset	287 }
229 96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	288 }
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	289
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	290 void OptionParser::log(const std::string &, const std::string &error)
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	291 {
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	292 std::cout << error << std::endl;
96ff112d05cf Add OptionParser, getopt(3) replacement David Demelier <markand@malikania.fr> parents: diff changeset	293 }

Mercurial > code

annotate C++/OptionParser.cpp @ 304:bae4af872cde