2019-06-23 05:21:30 +03:00
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// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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2019-09-14 23:48:30 +03:00
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module strings
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2019-06-22 21:20:28 +03:00
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2019-07-03 23:11:27 +03:00
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struct Builder {
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2019-10-05 11:07:10 +03:00
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mut:
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buf []byte
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2019-08-01 16:01:03 +03:00
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pub:
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2019-06-22 21:20:28 +03:00
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len int
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}
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2019-07-03 23:11:27 +03:00
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pub fn new_builder(initial_size int) Builder {
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return Builder {
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2019-10-05 11:07:10 +03:00
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buf: _make(0, initial_size, sizeof(byte))
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2019-06-22 21:20:28 +03:00
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}
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}
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2019-07-03 23:11:27 +03:00
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pub fn (b mut Builder) write(s string) {
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2019-10-05 11:07:10 +03:00
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b.buf._push_many(s.str, s.len)
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//b.buf << []byte(s) // TODO
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b.len += s.len
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2019-06-22 21:20:28 +03:00
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}
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2019-07-03 23:11:27 +03:00
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pub fn (b mut Builder) writeln(s string) {
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2019-10-05 11:07:10 +03:00
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b.buf._push_many(s.str, s.len)
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//b.buf << []byte(s) // TODO
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b.buf << `\n`
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b.len += s.len + 1
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2019-06-22 21:20:28 +03:00
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}
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2019-07-03 23:11:27 +03:00
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pub fn (b Builder) str() string {
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2019-10-05 11:07:10 +03:00
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return string(b.buf, b.len)
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2019-06-22 21:20:28 +03:00
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}
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2019-08-06 19:13:04 +03:00
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pub fn (b mut Builder) cut(n int) {
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2019-10-05 11:07:10 +03:00
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b.len -= n
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2019-06-22 21:20:28 +03:00
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}
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2019-07-03 23:11:27 +03:00
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pub fn (b mut Builder) free() {
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2019-10-05 11:07:10 +03:00
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free(b.buf.data)
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2019-06-24 23:34:21 +03:00
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}
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