d2/d2ir/pattern.go
2024-11-23 18:49:27 -08:00

97 lines
2 KiB
Go

package d2ir
import (
"strings"
"oss.terrastruct.com/d2/d2ast"
)
func (m *Map) multiGlob(pattern []string) ([]*Field, bool) {
var fa []*Field
if d2ast.IsDoubleGlob(pattern) {
m._doubleGlob(&fa)
return fa, true
}
if d2ast.IsTripleGlob(pattern) {
m._tripleGlob(&fa)
return fa, true
}
return nil, false
}
func (m *Map) _doubleGlob(fa *[]*Field) {
for _, f := range m.Fields {
if f.Name == nil {
continue
}
if _, ok := d2ast.ReservedKeywords[f.Name.ScalarString()]; ok && f.Name.IsUnquoted() {
if f.Name.ScalarString() == "layers" {
continue
}
if _, ok := d2ast.BoardKeywords[f.Name.ScalarString()]; !ok {
continue
}
// We don't ever want to append layers, scenarios or steps directly.
if f.Map() != nil {
f.Map()._tripleGlob(fa)
}
continue
}
if NodeBoardKind(f) == "" {
*fa = append(*fa, f)
}
if f.Map() != nil {
f.Map()._doubleGlob(fa)
}
}
}
func (m *Map) _tripleGlob(fa *[]*Field) {
for _, f := range m.Fields {
if _, ok := d2ast.ReservedKeywords[f.Name.ScalarString()]; ok && f.Name.IsUnquoted() {
if _, ok := d2ast.BoardKeywords[f.Name.ScalarString()]; !ok {
continue
}
// We don't ever want to append layers, scenarios or steps directly.
if f.Map() != nil {
f.Map()._tripleGlob(fa)
}
continue
}
if NodeBoardKind(f) == "" {
*fa = append(*fa, f)
}
if f.Map() != nil {
f.Map()._tripleGlob(fa)
}
}
}
func matchPattern(s string, pattern []string) bool {
if len(pattern) == 0 {
return true
}
if _, ok := d2ast.ReservedKeywords[s]; ok {
return false
}
for i := 0; i < len(pattern); i++ {
if pattern[i] == "*" {
// * so match next.
if i != len(pattern)-1 {
j := strings.Index(strings.ToLower(s), strings.ToLower(pattern[i+1]))
if j == -1 {
return false
}
s = s[j+len(pattern[i+1]):]
i++
}
} else {
if !strings.HasPrefix(strings.ToLower(s), strings.ToLower(pattern[i])) {
return false
}
s = s[len(pattern[i]):]
}
}
return true
}