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skip XML control character in the escape literal string, and update dependencies

This commit is contained in:
xuri 2021-06-12 08:49:18 +08:00
parent 83e12cc4e5
commit 5faa36430c
No known key found for this signature in database
GPG Key ID: BA5E5BB1C948EDF7
4 changed files with 30 additions and 17 deletions
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4
go.mod
View File

@ -7,8 +7,8 @@ require (
github.com/richardlehane/mscfb v1.0.3
github.com/stretchr/testify v1.6.1
github.com/xuri/efp v0.0.0-20210322160811-ab561f5b45e3
golang.org/x/crypto v0.0.0-20210415154028-4f45737414dc
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb
golang.org/x/net v0.0.0-20210415231046-e915ea6b2b7d
golang.org/x/net v0.0.0-20210610132358-84b48f89b13b
golang.org/x/text v0.3.6
)

10
go.sum
View File

@ -13,15 +13,15 @@ github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/xuri/efp v0.0.0-20210322160811-ab561f5b45e3 h1:EpI0bqf/eX9SdZDwlMmahKM+CDBgNbsXMhsN28XrM8o=
github.com/xuri/efp v0.0.0-20210322160811-ab561f5b45e3/go.mod h1:ybY/Jr0T0GTCnYjKqmdwxyxn2BQf2RcQIIvex5QldPI=
golang.org/x/crypto v0.0.0-20210415154028-4f45737414dc h1:+q90ECDSAQirdykUN6sPEiBXBsp8Csjcca8Oy7bgLTA=
golang.org/x/crypto v0.0.0-20210415154028-4f45737414dc/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a h1:kr2P4QFmQr29mSLA43kwrOcgcReGTfbE9N577tCTuBc=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb h1:fqpd0EBDzlHRCjiphRR5Zo/RSWWQlWv34418dnEixWk=
golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210415231046-e915ea6b2b7d h1:BgJvlyh+UqCUaPlscHJ+PN8GcpfrFdr7NHjd1JL0+Gs=
golang.org/x/net v0.0.0-20210415231046-e915ea6b2b7d/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8=
golang.org/x/net v0.0.0-20210610132358-84b48f89b13b h1:k+E048sYJHyVnsr1GDrRZWQ32D2C7lWs9JRc0bel53A=
golang.org/x/net v0.0.0-20210610132358-84b48f89b13b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

31
lib.go
View File

@ -21,6 +21,7 @@ import (
"regexp"
"strconv"
"strings"
"unicode"
)
// ReadZipReader can be used to read the spreadsheet in memory without touching the
@ -467,34 +468,44 @@ func isNumeric(s string) (bool, int) {
// initial underscore shall itself be escaped (i.e. stored as _x005F_). For
// example: The string literal _x0008_ would be stored as _x005F_x0008_.
func bstrUnmarshal(s string) (result string) {
m := regexp.MustCompile(`_x[a-zA-Z0-9]{4}_`)
bstrExp := regexp.MustCompile(`_x[a-zA-Z0-9]{4}_`)
escapeExp := regexp.MustCompile(`x[a-zA-Z0-9]{4}_`)
matches := m.FindAllStringSubmatchIndex(s, -1)
var cursor int
matches, l, cursor := bstrExp.FindAllStringSubmatchIndex(s, -1), len(s), 0
for _, match := range matches {
result += s[cursor:match[0]]
if s[match[0]:match[1]] == "_x005F_" {
if len(s) > match[1]+6 && !escapeExp.MatchString(s[match[1]:match[1]+6]) {
result += s[match[0]:match[1]]
subStr := s[match[0]:match[1]]
if subStr == "_x005F_" {
if l > match[1]+6 && !escapeExp.MatchString(s[match[1]:match[1]+6]) {
result += subStr
cursor = match[1]
continue
}
if len(s) > match[1]+5 && s[match[1]:match[1]+5] == "x005F" {
if l > match[1]+5 && s[match[1]:match[1]+5] == "x005F" {
result += "_"
cursor = match[1]
continue
}
if escapeExp.MatchString(s[match[0]:match[1]]) {
if escapeExp.MatchString(subStr) {
result += "_"
cursor = match[1]
continue
}
}
if escapeExp.MatchString(s[match[0]:match[1]]) {
if bstrExp.MatchString(subStr) {
x, _ := strconv.Unquote(`"\u` + s[match[0]+2:match[1]-1] + `"`)
hasRune := false
for _, c := range string(x) {
if unicode.IsControl(c) {
hasRune = true
}
}
if !hasRune {
result += string(x)
}
cursor = match[1]
}
}
if cursor < len(s) {
if cursor < l {
result += s[cursor:]
}
return result

2
lib_test.go
View File

@ -237,10 +237,12 @@ func TestGenXMLNamespace(t *testing.T) {
func TestBstrUnmarshal(t *testing.T) {
bstrs := map[string]string{
"*_x0000_": "*",
"*": "*",
"*_x0008_": "*",
"_x0008_*": "*",
"*_x0008_*": "**",
"*_x4F60__x597D_": "*你好",
"*_x005F__x0008_*": "*_x005F_*",
"*_x005F_x0001_*": "*_x0001_*",
"*_x005F_x005F_x005F_x0006_*": "*_x005F_x0006_*",