2025-03-16 00:25:05 +01:00

79 lines
2.2 KiB
Go

package fields
import (
"config-lsp/common"
docvalues "config-lsp/doc-values"
"regexp"
)
// In the gitconfig, there are certain options that can be nested.
// This is okay with the usual config-lsp setup, but some option
// allow custom names, such as: diff.<driver>.binary
// To handle those options correctly, we store nested options separately.
//
// This struct may only be used to define the options.
type NestedOptionDeclaration struct {
// If true, the option is dynamic, like:
// <driver>
IsDynamic bool
// If set, `SubOption` is the next option
// If set, `Name` may not be set
Options map[NormalizedOptionName]NestedOptionDeclaration
// If set, `Name` is the documentation for the option
// If set, `SubOption` may not be set
Value *docvalues.DocumentationValue
}
func (n NestedOptionDeclaration) Parse(value string) (NestedOptionValue, error) {
return NestedOptionValue{}, nil
}
// This struct may be used to parse nested options and store their values.
// How this works:
// We declare the options using `NestedOptionDeclaration`. They are read-only
// Then:
// 1. The antlr parser parses the text
// 2. The keys are manually parsed into a `NestedOptionValue`
// 3. Later, during the analyzer phase, it checks the validity of the keys, and
// 4. Adds the `Name` to the `nestedOptionValueValue`
type NestedOptionValue struct {
Options []nestedOptionValueValue
}
type nestedOptionValueValue struct {
common.LocationRange
Option *NestedOptionDeclaration
// Values can't be quoted, so we don't need a `ParsedString`
Value string
}
var keyPartPattern = regexp.MustCompile(`[^.]+`)
func ParseNestedOptionToValue(
text string,
keyLocation common.LocationRange,
) NestedOptionValue {
indexes := keyPartPattern.FindAllIndex([]byte(text), -1)
options := make([]nestedOptionValueValue, 0)
for _, index := range indexes {
partText := text[index[0]:index[1]]
partRange := keyLocation
partRange.Start.Character = keyLocation.Start.Character + uint32(index[0])
partRange.End.Character = keyLocation.Start.Character + uint32(index[1])
options = append(
options,
nestedOptionValueValue{
LocationRange: partRange,
Value: partText,
},
)
}
return NestedOptionValue{
Options: options,
}
}