(st lexer.Pos, text []byte)
| 963 | } |
| 964 | |
| 965 | func (ls *Lines) insertTextImpl(st lexer.Pos, text []byte) *Edit { |
| 966 | if len(text) == 0 { |
| 967 | return nil |
| 968 | } |
| 969 | st = ls.validPos(st) |
| 970 | lns := bytes.Split(text, []byte("\n")) |
| 971 | sz := len(lns) |
| 972 | rs := bytes.Runes(lns[0]) |
| 973 | rsz := len(rs) |
| 974 | ed := st |
| 975 | var tbe *Edit |
| 976 | st.Ch = min(len(ls.lines[st.Ln]), st.Ch) |
| 977 | if sz == 1 { |
| 978 | ls.lines[st.Ln] = slices.Insert(ls.lines[st.Ln], st.Ch, rs...) |
| 979 | ed.Ch += rsz |
| 980 | tbe = ls.region(st, ed) |
| 981 | ls.linesEdited(tbe) |
| 982 | } else { |
| 983 | if ls.lines[st.Ln] == nil { |
| 984 | ls.lines[st.Ln] = []rune("") |
| 985 | } |
| 986 | eostl := len(ls.lines[st.Ln][st.Ch:]) // end of starting line |
| 987 | var eost []rune |
| 988 | if eostl > 0 { // save it |
| 989 | eost = make([]rune, eostl) |
| 990 | copy(eost, ls.lines[st.Ln][st.Ch:]) |
| 991 | } |
| 992 | ls.lines[st.Ln] = append(ls.lines[st.Ln][:st.Ch], rs...) |
| 993 | nsz := sz - 1 |
| 994 | tmp := make([][]rune, nsz) |
| 995 | for i := 1; i < sz; i++ { |
| 996 | tmp[i-1] = bytes.Runes(lns[i]) |
| 997 | } |
| 998 | stln := st.Ln + 1 |
| 999 | ls.lines = slices.Insert(ls.lines, stln, tmp...) |
| 1000 | ed.Ln += nsz |
| 1001 | ed.Ch = len(ls.lines[ed.Ln]) |
| 1002 | if eost != nil { |
| 1003 | ls.lines[ed.Ln] = append(ls.lines[ed.Ln], eost...) |
| 1004 | } |
| 1005 | tbe = ls.region(st, ed) |
| 1006 | ls.linesInserted(tbe) |
| 1007 | } |
| 1008 | ls.changed = true |
| 1009 | ls.callChangedFunc() |
| 1010 | return tbe |
| 1011 | } |
| 1012 | |
| 1013 | // insertTextRect inserts a rectangle of text defined in given Edit record, |
| 1014 | // (e.g., from RegionRect or DeleteRect). |
no test coverage detected