package yum

import (

"encoding/xml"

"fmt"

"io"

)

// PrimaryMetadata represents the metadata XML file for a RPM/Yum repository. It

// contains packages available in the repository.

type PrimaryMetadata struct {

XMLName xml.Name `xml:"metadata"`

XMLNS string `xml:"xmlns,attr"`

PackagesCount int `xml:"packages,attr"`

Packages PackageEntries `xml:"package"`

}

// ReadPrimaryMetadata loads a primary.xml file from the given io.Reader and returns

// a pointer to the resulting PrimaryMetadata struct.

func ReadPrimaryMetadata(r io.Reader) (*PrimaryMetadata, error) {

md := PrimaryMetadata{

Packages: make([]PackageEntry, 0),

}

decoder := xml.NewDecoder(r)

err := decoder.Decode(&md)

if err != nil {

return nil, fmt.Errorf("Error decoding primary metadata: %v", err)

}

return &md, nil

}