/usr/share/gocode/src/pault.ag/go/debian/dependency/arch.go is in golang-pault-go-debian-dev 0.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | /* {{{ Copyright (c) Paul R. Tagliamonte <paultag@debian.org>, 2015
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. }}} */
package dependency
import (
"errors"
"strings"
)
/*
*/
type Arch struct {
ABI string
OS string
CPU string
}
func ParseArchitectures(arch string) ([]Arch, error) {
ret := []Arch{}
arches := strings.Split(arch, " ")
for _, el := range arches {
el := strings.Trim(el, " \t\n\r")
if el == "" {
continue
}
arch, err := ParseArch(el)
if err != nil {
return nil, err
}
ret = append(ret, *arch)
}
return ret, nil
}
func (arch *Arch) UnmarshalControl(data string) error {
return parseArchInto(arch, data)
}
func ParseArch(arch string) (*Arch, error) {
ret := &Arch{
ABI: "any",
OS: "any",
CPU: "any",
}
return ret, parseArchInto(ret, arch)
}
/*
*/
func parseArchInto(ret *Arch, arch string) error {
/* May be in the following form:
* `any` (implicitly any-any-any)
* kfreebsd-any (implicitly any-kfreebsd-any)
* kfreebsd-amd64 (implicitly any-kfreebsd-any)
* bsd-openbsd-i386 */
flavors := strings.SplitN(arch, "-", 3)
switch len(flavors) {
case 1:
flavor := flavors[0]
/* OK, we've got a single guy like `any` or `amd64` */
switch flavor {
case "all", "any":
ret.ABI = flavor
ret.OS = flavor
ret.CPU = flavor
default:
/* right, so we've got something like `amd64`, which is implicitly
* gnu-linux-amd64. Confusing, I know. */
ret.ABI = "gnu"
ret.OS = "linux"
ret.CPU = flavor
}
case 2:
/* Right, this is something like kfreebsd-amd64, which is implicitly
* gnu-kfreebsd-amd64 */
ret.OS = flavors[0]
ret.CPU = flavors[1]
case 3:
/* This is something like bsd-openbsd-amd64 */
ret.ABI = flavors[0]
ret.OS = flavors[1]
ret.CPU = flavors[2]
default:
return errors.New("Hurm, no idea what happened here")
}
return nil
}
/*
*/
func (set *ArchSet) Matches(other *Arch) bool {
/* If [!amd64 sparc] matches gnu-linux-any */
if len(set.Architectures) == 0 {
/* We're not a thing. Always true. */
return true
}
not := set.Not
for _, el := range set.Architectures {
if el.Is(other) {
/* For each arch; check if it matches. If it does, then
* return true (unless we're negated) */
return !not
}
}
/* Otherwise, let's return false (unless we're negated) */
return not
}
/*
*/
func (arch *Arch) IsWildcard() bool {
if arch.CPU == "all" {
return false
}
if arch.ABI == "any" || arch.OS == "any" || arch.CPU == "any" {
return true
}
return false
}
/*
*/
func (arch *Arch) Is(other *Arch) bool {
if arch.IsWildcard() && other.IsWildcard() {
/* We can't compare wildcards to other wildcards. That's just
* insanity. We always need a concrete arch. Not even going to try. */
return false
} else if arch.IsWildcard() {
/* OK, so we're a wildcard. Let's defer to the other
* struct to deal with this */
return other.Is(arch)
}
if (arch.CPU == other.CPU || other.CPU == "any") &&
(arch.OS == other.OS || other.OS == "any") &&
(arch.ABI == other.ABI || other.ABI == "any") {
return true
}
return false
}
// vim: foldmethod=marker
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