forked from mirrors/gotosocial
98263a7de6
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
////////////////////////////////////////////////////////////////////////////
|
|
// Porgram: xmlfmt.go
|
|
// Purpose: Go XML Beautify from XML string using pure string manipulation
|
|
// Authors: Antonio Sun (c) 2016-2019, All rights reserved
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
package xmlfmt
|
|
|
|
import (
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
reg = regexp.MustCompile(`<([/!]?)([^>]+?)(/?)>`)
|
|
// NL is the newline string used in XML output, define for DOS-convenient.
|
|
NL = "\r\n"
|
|
)
|
|
|
|
// FormatXML will (purly) reformat the XML string in a readable way, without any rewriting/altering the structure
|
|
func FormatXML(xmls, prefix, indent string) string {
|
|
src := regexp.MustCompile(`(?s)>\s+<`).ReplaceAllString(xmls, "><")
|
|
|
|
rf := replaceTag(prefix, indent)
|
|
return (prefix + reg.ReplaceAllStringFunc(src, rf))
|
|
}
|
|
|
|
// replaceTag returns a closure function to do 's/(?<=>)\s+(?=<)//g; s(<(/?)([^>]+?)(/?)>)($indent+=$3?0:$1?-1:1;"<$1$2$3>"."\n".(" "x$indent))ge' as in Perl
|
|
// and deal with comments as well
|
|
func replaceTag(prefix, indent string) func(string) string {
|
|
indentLevel := 0
|
|
return func(m string) string {
|
|
// head elem
|
|
if strings.HasPrefix(m, "<?xml") {
|
|
return NL + prefix + strings.Repeat(indent, indentLevel) + m
|
|
}
|
|
// empty elem
|
|
if strings.HasSuffix(m, "/>") {
|
|
return NL + prefix + strings.Repeat(indent, indentLevel) + m
|
|
}
|
|
// comment elem
|
|
if strings.HasPrefix(m, "<!") {
|
|
return NL + prefix + strings.Repeat(indent, indentLevel) + m
|
|
}
|
|
// end elem
|
|
if strings.HasPrefix(m, "</") {
|
|
indentLevel--
|
|
return NL + prefix + strings.Repeat(indent, indentLevel) + m
|
|
}
|
|
defer func() {
|
|
indentLevel++
|
|
}()
|
|
|
|
return NL + prefix + strings.Repeat(indent, indentLevel) + m
|
|
}
|
|
}
|