74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
package core
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// Not great, but maybe the best way
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var CurrentBufferId int = 1
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type BufferBuilder struct {
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buffer Buffer
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}
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// NewBufferBuilder: Creates a new buffer builder. The buffer builder implements a
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// builder pattern to create a buffer with the defined properties and values.
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func NewBufferBuilder() *BufferBuilder {
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return &BufferBuilder{
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buffer: Buffer{
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Id: 0, // This is set when built
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Filename: "",
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Filetype: "",
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Lines: []string{""},
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Modified: false,
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Loaded: false,
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Listed: false,
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},
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}
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}
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// BufferBuilder.WithFilename: Attaches a file name to the buffer that is being built.
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func (b *BufferBuilder) WithFilename(filename string) *BufferBuilder {
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b.buffer.Filename = filename
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return b
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}
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// BufferBuilder.WithFiletype: Attaches a file type to the buffer that is being built.
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func (b *BufferBuilder) WithFiletype(filetype string) *BufferBuilder {
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b.buffer.Filetype = filetype
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return b
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}
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// BufferBuilder.WithLines: Attaches a lines to the buffer that is being built.
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func (b *BufferBuilder) WithLines(lines []string) *BufferBuilder {
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b.buffer.Lines = lines
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return b
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}
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// BufferBuilder.Modified: Sets the modified flag of the buffer being built. By default,
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// buffers are built with the modified flag being false.
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func (b *BufferBuilder) Modified() *BufferBuilder {
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b.buffer.Modified = true
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return b
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}
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// BufferBuilder.Loaded: Sets the loaded flag of the buffer being built. By default,
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// buffers are built with the loaded flag being false.
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func (b *BufferBuilder) Loaded() *BufferBuilder {
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b.buffer.Loaded = true
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return b
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}
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// BufferBuilder.Listed: Sets the listed flag of the buffer being built. By default,
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// buffers are built with the listed flag being false.
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func (b *BufferBuilder) Listed() *BufferBuilder {
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b.buffer.Listed = true
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return b
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}
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// BufferBuilder.Build: Build the final buffer and return it to the caller. Final
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// step in the process. This is where the ID is set, so many buffers can be "in-progress"
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// but the ID will be set when they are built. Meaning, this is not thread safe.
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func (b *BufferBuilder) Build() Buffer {
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b.buffer.Id = CurrentBufferId
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CurrentBufferId++
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return b.buffer
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}
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