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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8584 | leency | 1 | struct TEXTBUF |
| 2 | { |
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| 3 | dword p; |
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| 4 | unsigned len; |
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| 5 | unsigned max; |
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| 6 | void drop(); |
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| 7 | void extend(); |
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| 8 | void set(); |
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| 9 | void insert_ch(); |
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| 10 | void insert_str(); |
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| 11 | void del(); |
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| 12 | } textbuf; |
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| 13 | |||
| 14 | void TEXTBUF::drop() |
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| 15 | { |
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| 16 | p = free(p); |
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| 17 | len = max = 0; |
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| 18 | } |
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| 19 | |||
| 20 | void TEXTBUF::extend(unsigned _size) |
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| 21 | { |
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| 22 | max = _size; |
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| 23 | p = realloc(p, max); |
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| 24 | } |
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| 25 | |||
| 26 | void TEXTBUF::set(dword _p, unsigned _size) |
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| 27 | { |
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| 28 | len = _size; |
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| 29 | extend(len + 4096); |
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| 30 | strncpy(p, _p, len); |
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| 31 | } |
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| 32 | |||
| 33 | void TEXTBUF::insert_ch(unsigned _pos, char _ch) |
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| 34 | { |
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| 35 | char str[1]; |
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| 36 | str[0] = _ch; |
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| 37 | insert_str(_pos, #str, 1); |
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| 38 | } |
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| 39 | |||
| 40 | void TEXTBUF::insert_str(unsigned _pos, dword _string, unsigned _sl) |
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| 41 | { |
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| 42 | dword i; |
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| 43 | if (len + _sl >= max) { |
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| 44 | extend(len + _sl + 4096); |
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| 45 | } |
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| 46 | len += _sl; |
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| 47 | for (i=p+len; i>=_pos+_sl; i--) { |
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| 48 | ESBYTE[i] = ESBYTE[i-_sl]; |
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| 49 | } |
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| 50 | memmov(_pos, _string, _sl); |
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| 51 | } |
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| 52 | |||
| 53 | void TEXTBUF::del(unsigned _start, _end) |
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| 54 | { |
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| 55 | if (_start > _end) _end >< _start; |
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| 56 | strcpy(_start, _end); |
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| 57 | len -= _end - _start; |
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| 58 | } |