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58 lines
1009 B
Go
58 lines
1009 B
Go
package parser
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"zero/tools/goctl/api/spec"
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)
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type Parser struct {
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r *bufio.Reader
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st string
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}
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func NewParser(filename string) (*Parser, error) {
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api, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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info, body, service, err := MatchStruct(string(api))
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if err != nil {
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return nil, err
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}
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var buffer = new(bytes.Buffer)
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buffer.WriteString(info)
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buffer.WriteString(service)
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return &Parser{
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r: bufio.NewReader(buffer),
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st: body,
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}, nil
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}
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func (p *Parser) Parse() (api *spec.ApiSpec, err error) {
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api = new(spec.ApiSpec)
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types, err := parseStructAst(p.st)
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if err != nil {
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return nil, err
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}
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api.Types = types
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var lineNumber = 1
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st := newRootState(p.r, &lineNumber)
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for {
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st, err = st.process(api)
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if err == io.EOF {
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return api, p.validate(api)
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}
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if err != nil {
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return nil, fmt.Errorf("near line: %d, %s", lineNumber, err.Error())
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}
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if st == nil {
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return api, p.validate(api)
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}
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}
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}
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