mirror of
https://github.com/Myzel394/config-lsp.git
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103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package fstab
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import (
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docvalues "config-lsp/doc-values"
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fstabdocumentation "config-lsp/handlers/fstab/documentation"
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"fmt"
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"github.com/tliron/glsp"
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protocol "github.com/tliron/glsp/protocol_3_16"
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)
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func TextDocumentCompletion(context *glsp.Context, params *protocol.CompletionParams) (any, error) {
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parser := documentParserMap[params.TextDocument.URI]
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entry, found := parser.GetEntry(params.Position.Line)
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if !found {
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// Empty line, return spec completions
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return fstabdocumentation.SpecField.FetchCompletions(
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"",
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params.Position.Character,
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), nil
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}
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cursor := params.Position.Character
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targetField := entry.GetFieldAtPosition(cursor - 1)
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println("cursor at", cursor, "target field", targetField)
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switch targetField {
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case FstabFieldSpec:
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value, cursor := GetFieldSafely(entry.Fields.Spec, cursor)
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return fstabdocumentation.SpecField.FetchCompletions(
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value,
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cursor,
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), nil
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case FstabFieldMountPoint:
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value, cursor := GetFieldSafely(entry.Fields.MountPoint, cursor)
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return fstabdocumentation.MountPointField.FetchCompletions(
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value,
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cursor,
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), nil
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case FstabFieldFileSystemType:
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println(fmt.Sprintf("file system type: %s", entry.Fields.FilesystemType))
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value, cursor := GetFieldSafely(entry.Fields.FilesystemType, cursor)
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println("CURSOR", cursor)
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return fstabdocumentation.FileSystemTypeField.FetchCompletions(
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value,
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cursor,
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), nil
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case FstabFieldOptions:
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fileSystemType := entry.Fields.FilesystemType.Value
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var optionsField docvalues.Value
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if foundField, found := fstabdocumentation.MountOptionsMapField[fileSystemType]; found {
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optionsField = foundField
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} else {
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optionsField = fstabdocumentation.DefaultMountOptionsField
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}
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value, cursor := GetFieldSafely(entry.Fields.Options, cursor)
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return optionsField.FetchCompletions(
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value,
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cursor,
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), nil
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case FstabFieldFreq:
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value, cursor := GetFieldSafely(entry.Fields.Freq, cursor)
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return fstabdocumentation.FreqField.FetchCompletions(
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value,
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cursor,
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), nil
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case FstabFieldPass:
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value, cursor := GetFieldSafely(entry.Fields.Pass, cursor)
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return fstabdocumentation.PassField.FetchCompletions(
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value,
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cursor,
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), nil
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}
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return nil, nil
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}
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// Safely get value and new cursor position
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// If field is nil, return empty string and 0
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func GetFieldSafely(field *Field, character uint32) (string, uint32) {
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if field == nil {
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return "", 0
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}
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if field.Value == "" {
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return "", 0
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}
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return field.Value, character - field.Start
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}
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