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parser_reader.go
54 lines (46 loc) · 938 Bytes
/
parser_reader.go
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// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
package iplibrary
import (
"errors"
"io"
)
type ReaderParser struct {
reader io.Reader
rawParser *Parser
}
func NewReaderParser(reader io.Reader, config *ParserConfig) (*ReaderParser, error) {
if config == nil {
config = &ParserConfig{}
}
if config.Template == nil {
return nil, errors.New("template must not be nil")
}
parser, err := NewParser(config)
if err != nil {
return nil, err
}
return &ReaderParser{
reader: reader,
rawParser: parser,
}, nil
}
func (this *ReaderParser) Parse() error {
var buf = make([]byte, 1024)
for {
n, err := this.reader.Read(buf)
if n > 0 {
this.rawParser.Write(buf[:n])
parseErr := this.rawParser.Parse()
if parseErr != nil {
return parseErr
}
}
if err != nil {
if err != io.EOF {
return err
}
break
}
}
return nil
}