71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
package impor
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import "fmt"
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import "errors"
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import "strings"
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import "html/template"
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import "git.tebibyte.media/sashakoshka/step"
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var _ step.FuncProviderFor = new(Provider)
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// Provider provides import functions.
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type Provider struct {
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}
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// FuncMap fulfills the step.FuncProvider interface.
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func (this *Provider) FuncMap () template.FuncMap {
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return nil
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}
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// FuncMapFor fulfills the step.FuncProviderFor interface.
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func (this *Provider) FuncMapFor (document *step.Document) template.FuncMap {
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stat := &state {
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document: document,
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}
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return template.FuncMap {
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"panic": stat.funcPanic,
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"execute": stat.funcExecute,
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"include": stat.funcInclude,
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"includeHTML": stat.funcIncludeHTML,
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}
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}
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type state struct {
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document *step.Document
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}
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func (this *state) funcPanic (message any) (string, error) {
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if err, ok := message.(error); ok {
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return "", err
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} else {
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return "", errors.New(fmt.Sprint(message))
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}
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}
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func (this *state) funcExecute (name string, data any) (step.ExecutionResult, error) {
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document, err := this.document.Environment().Parse(name)
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if err != nil { return step.ExecutionResult { }, err }
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builder := strings.Builder { }
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err = document.Execute(&builder, step.ExecutionData { Data: data })
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if err != nil { return step.ExecutionResult { }, err }
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return step.ExecutionResult {
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Author: document.Author,
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Title: document.Title,
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Extends: document.Extends,
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FrontMatter: document.FrontMatter,
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Body: template.HTML(builder.String()),
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}, nil
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}
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func (this *state) funcInclude (name string, data any) (string, error) {
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result, err := this.funcIncludeHTML(name, data)
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return string(result), err
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}
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func (this *state) funcIncludeHTML (name string, data any) (template.HTML, error) {
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result, err := this.funcExecute(name, data)
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if err != nil { return "", err }
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return result.Body, nil
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}
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