mirror of
https://github.com/superseriousbusiness/gotosocial.git
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5faeb4de20
* media manager tidy-up: de-interface and remove unused PostDataFunc Signed-off-by: kim <grufwub@gmail.com> * remove last traces of media.Manager being an interface Signed-off-by: kim <grufwub@gmail.com> * update error to provide caller, allow tuneable via build tags Signed-off-by: kim <grufwub@gmail.com> * remove kim-specific build script changes Signed-off-by: kim <grufwub@gmail.com> * fix merge conflicts Signed-off-by: kim <grufwub@gmail.com> * update build-script to support externally setting build variables Signed-off-by: kim <grufwub@gmail.com> --------- Signed-off-by: kim <grufwub@gmail.com>
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//go:build !noerrcaller
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package gtserror
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import (
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"errors"
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"fmt"
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"runtime"
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"strings"
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)
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// Caller returns whether created errors will prepend calling function name.
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const Caller = true
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// cerror wraps an error with a string
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// prefix of the caller function name.
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type cerror struct {
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c string
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e error
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}
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func (ce *cerror) Error() string {
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msg := ce.e.Error()
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return ce.c + ": " + msg
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}
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func (ce *cerror) Unwrap() error {
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return ce.e
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}
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// newAt is the same as New() but allows specifying calldepth.
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func newAt(calldepth int, msg string) error {
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return &cerror{
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c: caller(calldepth + 1),
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e: errors.New(msg),
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}
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}
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// newfAt is the same as Newf() but allows specifying calldepth.
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func newfAt(calldepth int, msgf string, args ...any) error {
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return &cerror{
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c: caller(calldepth + 1),
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e: fmt.Errorf(msgf, args...),
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}
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}
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// caller fetches the calling function name, skipping 'depth'. Results are cached per PC.
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func caller(depth int) string {
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var pcs [1]uintptr
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// Fetch calling function using calldepth
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_ = runtime.Callers(depth, pcs[:])
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fn := runtime.FuncForPC(pcs[0])
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if fn == nil {
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return ""
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}
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// Get func name.
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name := fn.Name()
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// Drop everything but but function name itself
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if idx := strings.LastIndexByte(name, '.'); idx >= 0 {
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name = name[idx+1:]
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}
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const params = `[...]`
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// Drop any generic type parameter markers
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if idx := strings.Index(name, params); idx >= 0 {
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name = name[:idx] + name[idx+len(params):]
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}
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return name
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}
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