/
xml_start_namespace.go
66 lines (58 loc) · 1.84 KB
/
xml_start_namespace.go
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// Copyright (C) 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package binaryxml
import (
"bytes"
"github.com/google/gapid/core/data/binary"
"github.com/google/gapid/core/data/endian"
"github.com/google/gapid/core/os/device"
)
type xmlStartNamespace struct {
rootHolder
lineNumber uint32
comment stringPoolRef
namespacePrefix stringPoolRef
namespaceURI stringPoolRef
}
func (c *xmlStartNamespace) decode(header, data []byte) error {
r := endian.Reader(bytes.NewReader(header), device.LittleEndian)
c.lineNumber = r.Uint32()
c.comment = c.root().decodeString(r)
if err := r.Error(); err != nil {
return err
}
r = endian.Reader(bytes.NewReader(data), device.LittleEndian)
c.namespacePrefix = c.root().decodeString(r)
c.namespaceURI = c.root().decodeString(r)
return r.Error()
}
func (c *xmlStartNamespace) xml(ctx *xmlContext) string {
c.updateContext(ctx)
return ""
}
func (c *xmlStartNamespace) updateContext(ctx *xmlContext) {
nsPrefix := c.namespacePrefix.get()
nsURI := c.namespaceURI.get()
ctx.namespaces[nsURI] = nsPrefix
ctx.stack.push(c)
}
func (c *xmlStartNamespace) encode() []byte {
return encodeChunk(resXMLStartNamespaceType, func(w binary.Writer) {
w.Uint32(c.lineNumber)
c.comment.encode(w)
}, func(w binary.Writer) {
c.namespacePrefix.encode(w)
c.namespaceURI.encode(w)
})
}