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|
package ace
import (
"bytes"
"fmt"
"html/template"
)
// Actions
const (
actionDefine = `%sdefine "%s"%s`
actionEnd = "%send%s"
actionTemplate = `%stemplate "%s"%s`
actionTemplateWithPipeline = `%stemplate "%s" %s%s`
)
// PreDefinedFuncs
const (
preDefinedFuncNameHTML = "HTML"
)
// CompileResult compiles the parsed result to the template.Template.
func CompileResult(name string, rslt *result, opts *Options) (*template.Template, error) {
// Initialize the options.
opts = InitializeOptions(opts)
// Create a template.
t := template.New(name)
return CompileResultWithTemplate(t, rslt, opts)
}
// CompileResultWithTemplate compiles the parsed result and associates it with t.
func CompileResultWithTemplate(t *template.Template, rslt *result, opts *Options) (*template.Template, error) {
// Initialize the options.
opts = InitializeOptions(opts)
var err error
// Create a buffer.
baseBf := bytes.NewBuffer(nil)
innerBf := bytes.NewBuffer(nil)
includeBfs := make(map[string]*bytes.Buffer)
// Write data to the buffer.
for _, e := range rslt.base {
if _, err := e.WriteTo(baseBf); err != nil {
return nil, err
}
}
for _, e := range rslt.inner {
if _, err = e.WriteTo(innerBf); err != nil {
return nil, err
}
}
for path, elements := range rslt.includes {
bf := bytes.NewBuffer(nil)
// Write a define action.
bf.WriteString(fmt.Sprintf(actionDefine, opts.DelimLeft, path, opts.DelimRight))
for _, e := range elements {
if _, err = e.WriteTo(bf); err != nil {
return nil, err
}
}
// Write an end action.
bf.WriteString(fmt.Sprintf(actionEnd, opts.DelimLeft, opts.DelimRight))
includeBfs[path] = bf
}
// Set Delimiters.
t.Delims(opts.DelimLeft, opts.DelimRight)
// Set FuncMaps.
t.Funcs(template.FuncMap{
preDefinedFuncNameHTML: func(s string) template.HTML {
return template.HTML(s)
},
})
t.Funcs(opts.FuncMap)
// Parse a string to the template.
t, err = t.Parse(baseBf.String())
if err != nil {
return nil, err
}
t, err = t.Parse(innerBf.String())
if err != nil {
return nil, err
}
for _, bf := range includeBfs {
t, err = t.Parse(bf.String())
if err != nil {
return nil, err
}
}
return t, nil
}
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