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feat: add builtin rStripChars go impl

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Jayme Bird 2022-10-19 20:39:12 +01:00 committed by Dave Cunningham
parent bb0d8a9d2a
commit dbe6fa55d8
1 changed files with 26 additions and 0 deletions
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26
builtins.go
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@ -529,6 +529,31 @@ func builtinLstripChars(i *interpreter, str, chars value) (value, error) {
}
}
func builtinRstripChars(i *interpreter, str, chars value) (value, error) {
switch strType := str.(type) {
case valueString:
if strType.length() > 0 {
index, err := strType.index(i, strType.length()-1)
if err != nil {
return nil, err
}
member, err := rawMember(i, chars, index)
if err != nil {
return nil, err
}
if member {
s := strType.getGoString()[:strType.length()-1]
return builtinRstripChars(i, makeValueString(s), chars)
} else {
return str, nil
}
}
return str, nil
default:
return nil, i.Error(fmt.Sprintf("Unexpected type %s, expected string", strType.getType().name))
}
}
func rawMember(i *interpreter, arrv, value value) (bool, error) {
switch arrType := arrv.(type) {
case valueString:
@ -2133,6 +2158,7 @@ var funcBuiltins = buildBuiltinMap([]builtin{
&binaryBuiltin{name: "modulo", function: builtinModulo, params: ast.Identifiers{"x", "y"}},
&unaryBuiltin{name: "md5", function: builtinMd5, params: ast.Identifiers{"s"}},
&binaryBuiltin{name: "lstripChars", function: builtinLstripChars, params: ast.Identifiers{"str", "chars"}},
&binaryBuiltin{name: "rstripChars", function: builtinRstripChars, params: ast.Identifiers{"str", "chars"}},
&ternaryBuiltin{name: "substr", function: builtinSubstr, params: ast.Identifiers{"str", "from", "len"}},
&ternaryBuiltin{name: "splitLimit", function: builtinSplitLimit, params: ast.Identifiers{"str", "c", "maxsplits"}},
&ternaryBuiltin{name: "strReplace", function: builtinStrReplace, params: ast.Identifiers{"str", "from", "to"}},