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keyword.go
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keyword.go
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package tmpl
import (
"fmt"
"strconv"
"strings"
"github.com/vorlif/xspreak/extract/etype"
)
type Keyword struct {
Name string
IDToken etype.Token
SingularPos int
PluralPos int
ContextPos int
DomainPos int
}
func ParseKeywords(spec string, isMonolingual bool) (*Keyword, error) {
var functionName string
var args []string
idx := strings.IndexByte(spec, ':')
if idx >= 0 {
functionName = spec[:idx]
args = strings.Split(spec[idx+1:], ",")
} else {
functionName = spec
}
k := &Keyword{
Name: functionName,
IDToken: etype.Singular,
SingularPos: 0,
PluralPos: -1,
ContextPos: -1,
DomainPos: -1,
}
if isMonolingual {
k.IDToken = etype.Key
}
inputType := 0
for _, arg := range args {
if len(arg) == 0 {
continue
}
lastSign := arg[len(arg)-1]
if lastSign == 'c' || lastSign == 'd' {
val, err := strconv.Atoi(arg[:len(arg)-1])
if err != nil {
return nil, fmt.Errorf("bad keyword number: %s %w", arg, err)
}
if lastSign == 'c' {
k.ContextPos = val - 1
} else {
k.DomainPos = val - 1
}
continue
}
val, err := strconv.Atoi(arg)
if err != nil {
return nil, fmt.Errorf("bad keyword number: %s", arg)
}
switch inputType {
case 0:
k.SingularPos = val - 1
case 1:
k.PluralPos = val - 1
default:
return nil, fmt.Errorf("bad keyword number: %s", arg)
}
inputType++
}
return k, nil
}
var bilingualKeywordTemplates = []Keyword{
{Name: "Get", IDToken: etype.Singular, SingularPos: 0, PluralPos: -1, ContextPos: -1, DomainPos: -1},
{Name: "DGet", IDToken: etype.Singular, DomainPos: 0, SingularPos: 1, PluralPos: -1, ContextPos: -1},
{Name: "NGet", IDToken: etype.Singular, SingularPos: 0, PluralPos: 1, ContextPos: -1, DomainPos: -1},
{Name: "DNGet", IDToken: etype.Singular, DomainPos: 0, SingularPos: 1, PluralPos: 2, ContextPos: -1},
{Name: "PGet", IDToken: etype.Singular, ContextPos: 0, SingularPos: 1, PluralPos: -1, DomainPos: -1},
{Name: "DPGet", IDToken: etype.Singular, DomainPos: 0, ContextPos: 1, SingularPos: 2, PluralPos: -1},
{Name: "NPGet", IDToken: etype.Singular, ContextPos: 0, SingularPos: 1, PluralPos: 2, DomainPos: -1},
{Name: "DNPGet", IDToken: etype.Singular, DomainPos: 0, ContextPos: 1, SingularPos: 2, PluralPos: 3},
}
var monolingualKeywordTemplates = []Keyword{
{Name: "Get", IDToken: etype.Key, SingularPos: 0, PluralPos: -1, ContextPos: -1, DomainPos: -1},
{Name: "DGet", IDToken: etype.Key, DomainPos: 0, SingularPos: 1, PluralPos: -1, ContextPos: -1},
{Name: "NGet", IDToken: etype.PluralKey, SingularPos: 0, PluralPos: 0, ContextPos: -1, DomainPos: -1},
{Name: "DNGet", IDToken: etype.PluralKey, DomainPos: 0, SingularPos: 1, PluralPos: 1, ContextPos: -1},
{Name: "PGet", IDToken: etype.Singular, ContextPos: 0, SingularPos: 1, PluralPos: -1, DomainPos: -1},
{Name: "DPGet", IDToken: etype.Singular, DomainPos: 0, ContextPos: 1, SingularPos: 2, PluralPos: -1},
{Name: "NPGet", IDToken: etype.PluralKey, ContextPos: 0, SingularPos: 1, PluralPos: 1, DomainPos: -1},
{Name: "DNPGet", IDToken: etype.PluralKey, DomainPos: 0, ContextPos: 1, SingularPos: 2, PluralPos: 2},
}
func DefaultKeywords(name string, isMonolingual bool) []*Keyword {
name = strings.Trim(strings.TrimSpace(name), ".")
if name == "" {
name = "T"
}
var keywordTemplates []Keyword
if isMonolingual {
keywordTemplates = monolingualKeywordTemplates
} else {
keywordTemplates = bilingualKeywordTemplates
}
keywords := make([]*Keyword, 0, len(keywordTemplates)*4)
for _, prefix := range []string{"$.", "."} {
for _, suffix := range []string{"", "f"} {
for _, tmpl := range keywordTemplates {
keyword := tmpl
keyword.Name = prefix + name + "." + tmpl.Name + suffix
keywords = append(keywords, &keyword)
}
}
}
return keywords
}
func (k *Keyword) MaxPosition() int {
start := maxOf(k.SingularPos, -1)
start = maxOf(start, k.PluralPos)
start = maxOf(start, k.ContextPos)
return maxOf(start, k.DomainPos)
}
func maxOf(x, y int) int {
if x > y {
return x
}
return y
}