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fix out of range error

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This commit is contained in:
Ryooooooga 2021-08-03 22:00:28 +09:00
parent 4f66093335
commit 67cc65930a
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GPG Key ID: 07CF200DFCC20C25
4 changed files with 19 additions and 7 deletions
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11
pkg/commands/patch/patch_modifier.go
View File

@ -137,12 +137,17 @@ func ModifiedPatchForLines(log *logrus.Entry, filename string, diffText string,
}
// I want to know, given a hunk, what line a given index is on
func (hunk *PatchHunk) LineNumberOfLine(idx int) int {
lines := hunk.bodyLines[0 : idx-hunk.FirstLineIdx-1]
func (hunk *PatchHunk) LineNumberOfLine(idx int) (int, error) {
n := idx - hunk.FirstLineIdx - 1
if n < 0 || len(hunk.bodyLines) <= n {
return -1, fmt.Errorf("line index out of range")
}
lines := hunk.bodyLines[0:n]
offset := nLinesWithPrefix(lines, []string{"+", " "})
return hunk.newStart + offset
return hunk.newStart + offset, nil
}
func nLinesWithPrefix(lines []string, chars []string) int {

2
pkg/commands/patch/patch_modifier_test.go
View File

@ -539,7 +539,7 @@ func TestLineNumberOfLine(t *testing.T) {
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
result := s.hunk.LineNumberOfLine(s.idx)
result, _ := s.hunk.LineNumberOfLine(s.idx)
if !assert.Equal(t, s.expected, result) {
fmt.Println(result)
}

2
pkg/gui/lbl/state.go
View File

@ -167,7 +167,7 @@ func (s *State) SelectedRange() (int, int) {
}
}
func (s *State) CurrentLineNumber() int {
func (s *State) CurrentLineNumber() (int, error) {
return s.CurrentHunk().LineNumberOfLine(s.selectedLineIdx)
}

11
pkg/gui/line_by_line_panel.go
View File

@ -208,7 +208,11 @@ func (gui *Gui) handleOpenFileAtLine() error {
}
// need to look at current index, then work out what my hunk's header information is, and see how far my line is away from the hunk header
lineNumber := state.CurrentLineNumber()
lineNumber, err := state.CurrentLineNumber()
if err != nil {
lineNumber = 1
}
filenameWithLineNum := fmt.Sprintf("%s:%d", filename, lineNumber)
if err := gui.OSCommand.OpenFile(filenameWithLineNum); err != nil {
return err
@ -279,7 +283,10 @@ func (gui *Gui) handleLineByLineEdit() error {
return nil
}
lineNumber := gui.State.Panels.LineByLine.CurrentLineNumber()
lineNumber, err := gui.State.Panels.LineByLine.CurrentLineNumber()
if err != nil {
lineNumber = 1
}
return gui.editFileAtLine(file.Name, lineNumber)
}