Apply .gitignore rules

2025-01-06 16:21:36 +08:00
parent 1b77f62820
commit ccd2c530cf
580 changed files with 69806 additions and 0 deletions
--- a/.svn/pristine/2b/2ba46d976f1f72118d5726c9a45ee3c678037629.svn-base
+++ b/.svn/pristine/2b/2ba46d976f1f72118d5726c9a45ee3c678037629.svn-base
@@ -0,0 +1,295 @@
+package build
+
+import (
+	"fmt"
+	"reflect"
+	"strconv"
+
+	"goutil/xmlUtil/gxpath/internal/query"
+)
+
+// valueType is a return value type.
+type valueType int
+
+const (
+	booleanType valueType = iota
+	numberType
+	stringType
+	nodeSetType
+)
+
+func getValueType(i interface{}) valueType {
+	v := reflect.ValueOf(i)
+	switch v.Kind() {
+	case reflect.Float64:
+		return numberType
+	case reflect.String:
+		return stringType
+	case reflect.Bool:
+		return booleanType
+	default:
+		if _, ok := i.(query.Query); ok {
+			return nodeSetType
+		}
+	}
+	panic(fmt.Errorf("xpath unknown value type: %v", v.Kind()))
+}
+
+type logical func(query.Iterator, string, interface{}, interface{}) bool
+
+var logicalFuncs = [][]logical{
+	[]logical{cmpBoolean_Boolean, nil, nil, nil},
+	[]logical{nil, cmpNumeric_Numeric, cmpNumeric_String, cmpNumeric_NodeSet},
+	[]logical{nil, cmpString_Numeric, cmpString_String, cmpString_NodeSet},
+	[]logical{nil, cmpNodeSet_Numeric, cmpNodeSet_String, cmpNodeSet_NodeSet},
+}
+
+// number vs number
+func cmpNumberNumberF(op string, a, b float64) bool {
+	switch op {
+	case "=":
+		return a == b
+	case ">":
+		return a > b
+	case "<":
+		return a < b
+	case ">=":
+		return a >= b
+	case "<=":
+		return a <= b
+	case "!=":
+		return a != b
+	}
+	return false
+}
+
+// string vs string
+func cmpStringStringF(op string, a, b string) bool {
+	switch op {
+	case "=":
+		return a == b
+	case ">":
+		return a > b
+	case "<":
+		return a < b
+	case ">=":
+		return a >= b
+	case "<=":
+		return a <= b
+	case "!=":
+		return a != b
+	}
+	return false
+}
+
+func cmpBooleanBooleanF(op string, a, b bool) bool {
+	switch op {
+	case "or":
+		return a || b
+	case "and":
+		return a && b
+	}
+	return false
+}
+
+func cmpNumeric_Numeric(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(float64)
+	b := n.(float64)
+	return cmpNumberNumberF(op, a, b)
+}
+
+func cmpNumeric_String(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(float64)
+	b := n.(string)
+	num, err := strconv.ParseFloat(b, 64)
+	if err != nil {
+		panic(err)
+	}
+	return cmpNumberNumberF(op, a, num)
+}
+
+func cmpNumeric_NodeSet(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(float64)
+	b := n.(query.Query)
+
+	for {
+		node := b.Select(t)
+		if node == nil {
+			break
+		}
+		num, err := strconv.ParseFloat(node.Value(), 64)
+		if err != nil {
+			panic(err)
+		}
+		if cmpNumberNumberF(op, a, num) {
+			return true
+		}
+	}
+	return false
+}
+
+func cmpNodeSet_Numeric(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(query.Query)
+	b := n.(float64)
+	for {
+		node := a.Select(t)
+		if node == nil {
+			break
+		}
+		num, err := strconv.ParseFloat(node.Value(), 64)
+		if err != nil {
+			panic(err)
+		}
+		if cmpNumberNumberF(op, num, b) {
+			return true
+		}
+	}
+	return false
+}
+
+func cmpNodeSet_String(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(query.Query)
+	b := n.(string)
+	for {
+		node := a.Select(t)
+		if node == nil {
+			break
+		}
+		if cmpStringStringF(op, b, node.Value()) {
+			return true
+		}
+	}
+	return false
+}
+
+func cmpNodeSet_NodeSet(t query.Iterator, op string, m, n interface{}) bool {
+	return false
+}
+
+func cmpString_Numeric(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(string)
+	b := n.(float64)
+	num, err := strconv.ParseFloat(a, 64)
+	if err != nil {
+		panic(err)
+	}
+	return cmpNumberNumberF(op, b, num)
+}
+
+func cmpString_String(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(string)
+	b := n.(string)
+	return cmpStringStringF(op, a, b)
+}
+
+func cmpString_NodeSet(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(string)
+	b := n.(query.Query)
+	for {
+		node := b.Select(t)
+		if node == nil {
+			break
+		}
+		if cmpStringStringF(op, a, node.Value()) {
+			return true
+		}
+	}
+	return false
+}
+
+func cmpBoolean_Boolean(t query.Iterator, op string, m, n interface{}) bool {
+	a := m.(bool)
+	b := n.(bool)
+	return cmpBooleanBooleanF(op, a, b)
+}
+
+// eqFunc is an `=` operator.
+func eqFunc(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, "=", m, n)
+}
+
+// gtFunc is an `>` operator.
+func gtFunc(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, ">", m, n)
+}
+
+// geFunc is an `>=` operator.
+func geFunc(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, ">=", m, n)
+}
+
+// ltFunc is an `<` operator.
+func ltFunc(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, "<", m, n)
+}
+
+// leFunc is an `<=` operator.
+func leFunc(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, "<=", m, n)
+}
+
+// neFunc is an `!=` operator.
+func neFunc(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, "!=", m, n)
+}
+
+// orFunc is an `or` operator.
+var orFunc = func(t query.Iterator, m, n interface{}) interface{} {
+	t1 := getValueType(m)
+	t2 := getValueType(n)
+	return logicalFuncs[t1][t2](t, "or", m, n)
+}
+
+func numericExpr(m, n interface{}, cb func(float64, float64) float64) float64 {
+	typ := reflect.TypeOf(float64(0))
+	a := reflect.ValueOf(m).Convert(typ)
+	b := reflect.ValueOf(n).Convert(typ)
+	return cb(a.Float(), b.Float())
+}
+
+// plusFunc is an `+` operator.
+var plusFunc = func(m, n interface{}) interface{} {
+	return numericExpr(m, n, func(a, b float64) float64 {
+		return a + b
+	})
+}
+
+// minusFunc is an `-` operator.
+var minusFunc = func(m, n interface{}) interface{} {
+	return numericExpr(m, n, func(a, b float64) float64 {
+		return a - b
+	})
+}
+
+// mulFunc is an `*` operator.
+var mulFunc = func(m, n interface{}) interface{} {
+	return numericExpr(m, n, func(a, b float64) float64 {
+		return a * b
+	})
+}
+
+// divFunc is an `DIV` operator.
+var divFunc = func(m, n interface{}) interface{} {
+	return numericExpr(m, n, func(a, b float64) float64 {
+		return a / b
+	})
+}
+
+// modFunc is an 'MOD' operator.
+var modFunc = func(m, n interface{}) interface{} {
+	return numericExpr(m, n, func(a, b float64) float64 {
+		return float64(int(a) % int(b))
+	})
+}