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v/vlib/strings/builder_c.v

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// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
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module strings
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pub struct Builder {
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mut:
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buf []byte
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pub:
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len int
}
pub fn new_builder(initial_size int) Builder {
return Builder {
buf: make(0, initial_size, 1)
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}
}
pub fn (b mut Builder) write(s string) {
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b.buf.push_many(s.str, s.len)
//for c in s {
//b.buf << c
//}
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//b.buf << []byte(s) // TODO
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b.len += s.len
}
pub fn (b mut Builder) writeln(s string) {
//for c in s {
//b.buf << c
//}
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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`
b.len += s.len + 1
}
pub fn (b Builder) str() string {
return string(b.buf, b.len)
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}
pub fn (b mut Builder) free() {
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//free(b.buf.data)
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}