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Allow passing multiple options to control how wrapping is done

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This commit is contained in:
Kovid Goyal
2023-03-29 20:56:24 +05:30
parent cb99fbd83c
commit 34526517de
6 changed files with 28 additions and 18 deletions
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22
tools/utils/style/indent-and-wrap.go
View File

@@ -468,9 +468,12 @@ func (self *wrapper) wrap_text(text string) []string {
return self.lines
}
func new_wrapper(indent string, width int) *wrapper {
func new_wrapper(opts WrapOptions, width int) *wrapper {
width = utils.Max(2, width)
ans := wrapper{indent: indent, width: width, indent_width: wcswidth.Stringwidth(indent)}
ans := wrapper{indent: opts.Indent, width: width, indent_width: wcswidth.Stringwidth(opts.Indent)}
if opts.Ignore_lines_containing != "" {
ans.ignore_lines_containing = utils.Splitlines(opts.Ignore_lines_containing)
}
ans.ep.HandleRune = ans.handle_rune
ans.ep.HandleCSI = ans.handle_csi
ans.ep.HandleOSC = ans.handle_osc
@@ -480,12 +483,17 @@ func new_wrapper(indent string, width int) *wrapper {
return &ans
}
func WrapTextAsLines(text string, indent string, width int, ignore_lines_containing ...string) []string {
w := new_wrapper(indent, width)
w.ignore_lines_containing = ignore_lines_containing
type WrapOptions struct {
Ignore_lines_containing string
Trim_whitespace bool // trim whitespace at the start and end of lines (start is after indent)
Indent string
}
func WrapTextAsLines(text string, width int, opts WrapOptions) []string {
w := new_wrapper(opts, width)
return w.wrap_text(text)
}
func WrapText(text string, indent string, width int, ignore_lines_containing ...string) string {
return strings.Join(WrapTextAsLines(text, indent, width, ignore_lines_containing...), "\n")
func WrapText(text string, width int, opts WrapOptions) string {
return strings.Join(WrapTextAsLines(text, width, opts), "\n")
}

16
tools/utils/style/indent-and-wrap_test.go
View File

@@ -9,28 +9,29 @@ import (
func TestFormatWithIndent(t *testing.T) {
screen_width, indent := 0, ""
screen_width := 0
opts := WrapOptions{}
tx := func(text string, expected ...string) {
q := indent + strings.Join(expected, "")
actual := WrapText(text, indent, screen_width)
q := opts.Indent + strings.Join(expected, "")
actual := WrapText(text, screen_width, opts)
if actual != q {
t.Fatalf("\nFailed for: %#v\nexpected: %#v\nactual: %#v", text, q, actual)
}
}
indent = ""
opts.Indent = ""
screen_width = 4
tx("one two", "one \ntwo")
tx("a b", "a b")
screen_width = 3
tx("one tw", "one\n tw")
indent = "__"
opts.Indent = "__"
screen_width = 11
tx("testing\n\ntwo", "testing\n\n__two")
tx("testing\n \ntwo", "testing\n__ \n__two")
a := strings.Repeat("a", screen_width-len(indent)-1)
a := strings.Repeat("a", screen_width-len(opts.Indent)-1)
tx(a+" b", a+" \n__b")
tx("123456 \x1b[31m789a", "123456 \n__\x1b[31m789a")
@@ -40,7 +41,8 @@ func TestFormatWithIndent(t *testing.T) {
tx(
"\x1b[31;4:3m\x1b]8;;XXX\x1b\\combined using\x1b]8;;\x1b\\ operators",
"\x1b[31;4:3m\x1b]8;;XXX\x1b\\combined \n\x1b[4:0;39m\x1b]8;;\x1b\\__\x1b[4:3;31m\x1b]8;;XXX\x1b\\using\x1b]8;;\x1b\\ \n\x1b[4:0;39m__\x1b[4:3;31moperators")
indent = ""
opts.Indent = ""
screen_width = 3
tx("one", "one")
tx("four", "fou\nr")