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|---|---|---|---|
| 1 | /** @file | ||
| 2 | * @brief Conversion between Coord and strings | ||
| 3 | *//* | ||
| 4 | * Authors: | ||
| 5 | * Krzysztof Kosiński <tweenk.pl@gmail.com> | ||
| 6 | * | ||
| 7 | * Copyright 2014 Authors | ||
| 8 | * | ||
| 9 | * This library is free software; you can redistribute it and/or | ||
| 10 | * modify it either under the terms of the GNU Lesser General Public | ||
| 11 | * License version 2.1 as published by the Free Software Foundation | ||
| 12 | * (the "LGPL") or, at your option, under the terms of the Mozilla | ||
| 13 | * Public License Version 1.1 (the "MPL"). If you do not alter this | ||
| 14 | * notice, a recipient may use your version of this file under either | ||
| 15 | * the MPL or the LGPL. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the LGPL along with this library | ||
| 18 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 20 | * You should have received a copy of the MPL along with this library | ||
| 21 | * in the file COPYING-MPL-1.1 | ||
| 22 | * | ||
| 23 | * The contents of this file are subject to the Mozilla Public License | ||
| 24 | * Version 1.1 (the "License"); you may not use this file except in | ||
| 25 | * compliance with the License. You may obtain a copy of the License at | ||
| 26 | * http://www.mozilla.org/MPL/ | ||
| 27 | * | ||
| 28 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY | ||
| 29 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for | ||
| 30 | * the specific language governing rights and limitations. | ||
| 31 | */ | ||
| 32 | |||
| 33 | // Most of the code in this file is derived from: | ||
| 34 | // https://code.google.com/p/double-conversion/ | ||
| 35 | // The copyright notice for that code is attached below. | ||
| 36 | // | ||
| 37 | // Copyright 2010 the V8 project authors. All rights reserved. | ||
| 38 | // Redistribution and use in source and binary forms, with or without | ||
| 39 | // modification, are permitted provided that the following conditions are | ||
| 40 | // met: | ||
| 41 | // | ||
| 42 | // * Redistributions of source code must retain the above copyright | ||
| 43 | // notice, this list of conditions and the following disclaimer. | ||
| 44 | // * Redistributions in binary form must reproduce the above | ||
| 45 | // copyright notice, this list of conditions and the following | ||
| 46 | // disclaimer in the documentation and/or other materials provided | ||
| 47 | // with the distribution. | ||
| 48 | // * Neither the name of Google Inc. nor the names of its | ||
| 49 | // contributors may be used to endorse or promote products derived | ||
| 50 | // from this software without specific prior written permission. | ||
| 51 | // | ||
| 52 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| 53 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| 54 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| 55 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| 56 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 57 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| 58 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| 59 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| 60 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 61 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| 62 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 63 | |||
| 64 | #include <2geom/coord.h> | ||
| 65 | #include <cstdint> | ||
| 66 | #include <cstdlib> | ||
| 67 | #include <cassert> | ||
| 68 | #include <cstring> | ||
| 69 | #include <climits> | ||
| 70 | #include <cstdarg> | ||
| 71 | #include <cmath> | ||
| 72 | |||
| 73 | #include <double-conversion/double-conversion.h> | ||
| 74 | |||
| 75 | namespace Geom { | ||
| 76 | |||
| 77 | 100524 | std::string format_coord_shortest(Coord x) | |
| 78 | { | ||
| 79 | static const double_conversion::DoubleToStringConverter conv( | ||
| 80 | double_conversion::DoubleToStringConverter::UNIQUE_ZERO, | ||
| 81 |
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100524 | "inf", "NaN", 'e', -3, 6, 0, 0); |
| 82 |
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301572 | std::string ret(' ', 32); |
| 83 |
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100524 | double_conversion::StringBuilder builder(&ret[0], 32); |
| 84 |
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100524 | conv.ToShortest(x, &builder); |
| 85 |
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100524 | ret.resize(builder.position()); |
| 86 | 201048 | return ret; | |
| 87 | 100524 | } | |
| 88 | |||
| 89 | 100172 | std::string format_coord_nice(Coord x) | |
| 90 | { | ||
| 91 | static const double_conversion::DoubleToStringConverter conv( | ||
| 92 | double_conversion::DoubleToStringConverter::UNIQUE_ZERO, | ||
| 93 |
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100172 | "inf", "NaN", 'e', -6, 21, 0, 0); |
| 94 |
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300516 | std::string ret(' ', 32); |
| 95 |
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100172 | double_conversion::StringBuilder builder(&ret[0], 32); |
| 96 |
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100172 | conv.ToShortest(x, &builder); |
| 97 |
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100172 | ret.resize(builder.position()); |
| 98 | 200344 | return ret; | |
| 99 | 100172 | } | |
| 100 | |||
| 101 | 199895 | Coord parse_coord(std::string const &s) | |
| 102 | { | ||
| 103 | static const double_conversion::StringToDoubleConverter conv( | ||
| 104 | double_conversion::StringToDoubleConverter::ALLOW_LEADING_SPACES | | ||
| 105 | double_conversion::StringToDoubleConverter::ALLOW_TRAILING_SPACES | | ||
| 106 | double_conversion::StringToDoubleConverter::ALLOW_SPACES_AFTER_SIGN, | ||
| 107 |
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199895 | 0.0, nan(""), "inf", "NaN"); |
| 108 | 199895 | int dummy; | |
| 109 |
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399790 | return conv.StringToDouble(s.c_str(), s.length(), &dummy); |
| 110 | } | ||
| 111 | |||
| 112 | } // namespace Geom | ||
| 113 | |||
| 114 | /* | ||
| 115 | Local Variables: | ||
| 116 | mode:c++ | ||
| 117 | c-file-style:"stroustrup" | ||
| 118 | c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) | ||
| 119 | indent-tabs-mode:nil | ||
| 120 | fill-column:99 | ||
| 121 | End: | ||
| 122 | */ | ||
| 123 | // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : | ||
| 124 |