gotosocial/vendor/codeberg.org/gruf/go-kv/format/util.go
kim a156188b3e
[chore] update dependencies, bump to Go 1.19.1 (#826)
* update dependencies, bump Go version to 1.19

* bump test image Go version

* update golangci-lint

* update gotosocial-drone-build

* sign

* linting, go fmt

* update swagger docs

* update swagger docs

* whitespace

* update contributing.md

* fuckin whoopsie doopsie

* linterino, linteroni

* fix followrequest test not starting processor

* fix other api/client tests not starting processor

* fix remaining tests where processor not started

* bump go-runners version

* don't check last-webfingered-at, processor may have updated this

* update swagger command

* update bun to latest version

* fix embed to work the same as before with new bun

Signed-off-by: kim <grufwub@gmail.com>
Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
2022-09-28 18:30:40 +01:00

70 lines
2.0 KiB
Go

package format
import (
"strings"
"unsafe"
)
const (
// SingleTermLine: beyond a certain length of string, all of the
// extra checks to handle quoting/not-quoting add a significant
// amount of extra processing time. Quoting in this manner only really
// effects readability on a single line, so a max string length that
// encompasses the maximum number of columns on *most* terminals was
// selected. This was chosen using the metric that 1080p is one of the
// most common display resolutions, and that a relatively small font size
// of 7 requires 223 columns. So 256 should be >= $COLUMNS (fullscreen)
// in 99% of usecases (these figures all pulled out of my ass).
SingleTermLine = 256
)
// ContainsSpaceOrTab checks if "s" contains space or tabs.
func ContainsSpaceOrTab(s string) bool {
if i := strings.IndexByte(s, ' '); i != -1 {
return true // note using indexbyte as it is ASM.
} else if i := strings.IndexByte(s, '\t'); i != -1 {
return true
}
return false
}
// ContainsDoubleQuote checks if "s" contains a double quote.
func ContainsDoubleQuote(s string) bool {
return (strings.IndexByte(s, '"') != -1)
}
// AppendEscape will append 's' to 'dst' and escape any double quotes.
func AppendEscape(dst []byte, str string) []byte {
var delim bool
for i := range str {
if str[i] == '\\' && !delim {
// Set delim flag
delim = true
continue
} else if str[i] == '"' && !delim {
// Append escaped double quote
dst = append(dst, `\"`...)
continue
} else if delim {
// Append skipped slash
dst = append(dst, `\`...)
delim = false
}
// Append char as-is
dst = append(dst, str[i])
}
return dst
}
// isNil will safely check if 'v' is nil without dealing with weird Go interface nil bullshit.
func isNil(i interface{}) bool {
type eface struct{ _type, data unsafe.Pointer } //nolint
return (*(*eface)(unsafe.Pointer(&i))).data == nil //nolint
}
// b2s converts a byteslice to string without allocation.
func b2s(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}