Vendor libs

vendor/github.com/nicksnyder/go-i18n/i18n/language/codegen/xml.go

@@ -0,0 +1,143 @@
+package main
+
+import (
+	"encoding/xml"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+// SupplementalData is the top level struct of plural.xml
+type SupplementalData struct {
+	XMLName      xml.Name      `xml:"supplementalData"`
+	PluralGroups []PluralGroup `xml:"plurals>pluralRules"`
+}
+
+// PluralGroup is a group of locales with the same plural rules.
+type PluralGroup struct {
+	Locales     string       `xml:"locales,attr"`
+	PluralRules []PluralRule `xml:"pluralRule"`
+}
+
+// Name returns a unique name for this plural group.
+func (pg *PluralGroup) Name() string {
+	n := strings.Title(pg.Locales)
+	return strings.Replace(n, " ", "", -1)
+}
+
+// SplitLocales returns all the locales in the PluralGroup as a slice.
+func (pg *PluralGroup) SplitLocales() []string {
+	return strings.Split(pg.Locales, " ")
+}
+
+// PluralRule is the rule for a single plural form.
+type PluralRule struct {
+	Count string `xml:"count,attr"`
+	Rule  string `xml:",innerxml"`
+}
+
+// CountTitle returns the title case of the PluralRule's count.
+func (pr *PluralRule) CountTitle() string {
+	return strings.Title(pr.Count)
+}
+
+// Condition returns the condition where the PluralRule applies.
+func (pr *PluralRule) Condition() string {
+	i := strings.Index(pr.Rule, "@")
+	return pr.Rule[:i]
+}
+
+// Examples returns the integer and decimal exmaples for the PLuralRule.
+func (pr *PluralRule) Examples() (integer []string, decimal []string) {
+	ex := strings.Replace(pr.Rule, ", …", "", -1)
+	ddelim := "@decimal"
+	if i := strings.Index(ex, ddelim); i > 0 {
+		dex := strings.TrimSpace(ex[i+len(ddelim):])
+		decimal = strings.Split(dex, ", ")
+		ex = ex[:i]
+	}
+	idelim := "@integer"
+	if i := strings.Index(ex, idelim); i > 0 {
+		iex := strings.TrimSpace(ex[i+len(idelim):])
+		integer = strings.Split(iex, ", ")
+	}
+	return integer, decimal
+}
+
+// IntegerExamples returns the integer exmaples for the PLuralRule.
+func (pr *PluralRule) IntegerExamples() []string {
+	integer, _ := pr.Examples()
+	return integer
+}
+
+// DecimalExamples returns the decimal exmaples for the PLuralRule.
+func (pr *PluralRule) DecimalExamples() []string {
+	_, decimal := pr.Examples()
+	return decimal
+}
+
+var relationRegexp = regexp.MustCompile("([niftvw])(?: % ([0-9]+))? (!=|=)(.*)")
+
+// GoCondition converts the XML condition to valid Go code.
+func (pr *PluralRule) GoCondition() string {
+	var ors []string
+	for _, and := range strings.Split(pr.Condition(), "or") {
+		var ands []string
+		for _, relation := range strings.Split(and, "and") {
+			parts := relationRegexp.FindStringSubmatch(relation)
+			if parts == nil {
+				continue
+			}
+			lvar, lmod, op, rhs := strings.Title(parts[1]), parts[2], parts[3], strings.TrimSpace(parts[4])
+			if op == "=" {
+				op = "=="
+			}
+			lvar = "ops." + lvar
+			var rhor []string
+			var rany []string
+			for _, rh := range strings.Split(rhs, ",") {
+				if parts := strings.Split(rh, ".."); len(parts) == 2 {
+					from, to := parts[0], parts[1]
+					if lvar == "ops.N" {
+						if lmod != "" {
+							rhor = append(rhor, fmt.Sprintf("ops.NmodInRange(%s, %s, %s)", lmod, from, to))
+						} else {
+							rhor = append(rhor, fmt.Sprintf("ops.NinRange(%s, %s)", from, to))
+						}
+					} else if lmod != "" {
+						rhor = append(rhor, fmt.Sprintf("intInRange(%s %% %s, %s, %s)", lvar, lmod, from, to))
+					} else {
+						rhor = append(rhor, fmt.Sprintf("intInRange(%s, %s, %s)", lvar, from, to))
+					}
+				} else {
+					rany = append(rany, rh)
+				}
+			}
+
+			if len(rany) > 0 {
+				rh := strings.Join(rany, ",")
+				if lvar == "ops.N" {
+					if lmod != "" {
+						rhor = append(rhor, fmt.Sprintf("ops.NmodEqualsAny(%s, %s)", lmod, rh))
+					} else {
+						rhor = append(rhor, fmt.Sprintf("ops.NequalsAny(%s)", rh))
+					}
+				} else if lmod != "" {
+					rhor = append(rhor, fmt.Sprintf("intEqualsAny(%s %% %s, %s)", lvar, lmod, rh))
+				} else {
+					rhor = append(rhor, fmt.Sprintf("intEqualsAny(%s, %s)", lvar, rh))
+				}
+			}
+			r := strings.Join(rhor, " || ")
+			if len(rhor) > 1 {
+				r = "(" + r + ")"
+			}
+			if op == "!=" {
+				r = "!" + r
+			}
+			ands = append(ands, r)
+		}
+		ors = append(ors, strings.Join(ands, " && "))
+	}
+	return strings.Join(ors, " ||\n")
+}