d4980c5532
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Also adjusted some of the IO tests for writing and force writing.
121 lines
3.0 KiB
Go
121 lines
3.0 KiB
Go
package program
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import (
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"bufio"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"git.gophernest.net/azpect/TextEditor/internal/core"
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"git.gophernest.net/azpect/TextEditor/internal/editor"
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tea "github.com/charmbracelet/bubbletea"
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)
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type ProgramBuilder struct {
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model *editor.Model
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opts []tea.ProgramOption
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}
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func NewProgramBuilder() *ProgramBuilder {
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return &ProgramBuilder{
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model: &editor.Model{},
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opts: []tea.ProgramOption{},
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}
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}
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// ProgramBuilder.FileProgram: Sets the internal state of the builder to the required
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// state to start the program (editor) with a filename. This is what will happen when
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// a user runs 'gim <filename>'.
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func (p *ProgramBuilder) FileProgram(filename string) *ProgramBuilder {
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// Only difference: open the file
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ext := filepath.Ext(filename)
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file, err := os.Open(filename)
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notFound := errors.Is(err, os.ErrNotExist)
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if err != nil && !notFound {
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// TODO: Handle this
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panic(fmt.Errorf("Failed to find file: %w", err))
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}
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if file != nil {
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defer file.Close()
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}
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buf := core.NewBufferBuilder().
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WithType(core.FileBuffer).
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WithFilename(filename).
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WithFiletype(ext).
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Build()
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win := core.NewWindowBuilder().
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WithBuffer(&buf).
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WithOptions(core.NewDefaultWinOptions()).
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Build()
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p.model = editor.NewModelBuilder().
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AddBuffer(&buf).
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AddWindow(&win).
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WithActiveWindowId(win.Id).
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Build()
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// If we did not find the file, all we need to do is set the filename and type
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if notFound {
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return p
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}
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// Otherwise we have to create everything, then read the file (since we need settings)
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// COPIED FROM `internal/command/handlers.go`
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var lines []string
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := scanner.Text()
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line = strings.TrimSuffix(line, "\r")
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// BUG: This is bad, we don't want to this, but we have to
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cleaned := strings.ReplaceAll(line, "\t", strings.Repeat(" ", p.model.Settings().TabStop))
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lines = append(lines, cleaned)
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}
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// Only setting lines if we found some
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if len(lines) > 0 {
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p.model.ActiveBuffer().SetLines(lines)
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}
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return p
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}
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// ProgramBuilder.EmptyProgram: Sets the internal state of the builder to the required
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// state to start the program (editor) in the current directory. This is what will
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// happen when a user runs 'gim'.
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func (p *ProgramBuilder) EmptyProgram() *ProgramBuilder {
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buf := core.NewBufferBuilder().
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ReadOnly().
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Build()
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win := core.NewWindowBuilder().
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WithBuffer(&buf).
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WithOptions(core.NewDefaultWinOptions()).
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Build()
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p.model = editor.NewModelBuilder().
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AddBuffer(&buf).
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AddWindow(&win).
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WithActiveWindowId(win.Id).
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Build()
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return p
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}
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// ProgramBuilder.WithOpt: Add an option to the list of options that will be used when
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// the program is built.
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func (p *ProgramBuilder) WithOpt(opt tea.ProgramOption) *ProgramBuilder {
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p.opts = append(p.opts, opt)
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return p
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}
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// ProgramBuilder.Build: Build and return the configured tea.Program instance.
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func (p *ProgramBuilder) Build() *tea.Program {
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return tea.NewProgram(p.model, p.opts...)
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}
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