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package ace
import "html/template"
// Defaults
const (
defaultExtension = "ace"
defaultDelimLeft = "{{"
defaultDelimRight = "}}"
defaultAttributeNameClass = "class"
)
// Default NoCloseTagNames
var defaultNoCloseTagNames = []string{
"br",
"hr",
"img",
"input",
"link",
"meta",
}
// Options represents options for the template engine.
type Options struct {
// Extension represents an extension of files.
Extension string
// DelimLeft represents a left delimiter for the html template.
DelimLeft string
// DelimRight represents a right delimiter for the html template.
DelimRight string
// AttributeNameClass is the attribute name for classes.
AttributeNameClass string
// NoCloseTagNames defines a set of tags which should not be closed.
NoCloseTagNames []string
// DynamicReload represents a flag which means whether Ace reloads
// templates dynamically.
// This option should only be true in development.
DynamicReload bool
// BaseDir represents a base directory of the Ace templates.
BaseDir string
// Asset loads and returns the asset for the given name.
// If this function is set, Ace load the template data from
// this function instead of the template files.
Asset func(name string) ([]byte, error)
// FuncMap represents a template.FuncMap which is set to
// the result template.
FuncMap template.FuncMap
}
// InitializeOptions initializes the options.
func InitializeOptions(opts *Options) *Options {
if opts == nil {
opts = &Options{}
}
if opts.Extension == "" {
opts.Extension = defaultExtension
}
if opts.DelimLeft == "" {
opts.DelimLeft = defaultDelimLeft
}
if opts.DelimRight == "" {
opts.DelimRight = defaultDelimRight
}
if opts.AttributeNameClass == "" {
opts.AttributeNameClass = defaultAttributeNameClass
}
if opts.NoCloseTagNames == nil {
opts.NoCloseTagNames = make([]string, len(defaultNoCloseTagNames))
copy(opts.NoCloseTagNames, defaultNoCloseTagNames)
}
return opts
}
// AddNoCloseTagName appends name to .NoCloseTagNames set.
func (opts *Options) AddNoCloseTagName(name string) {
opts.NoCloseTagNames = append(opts.NoCloseTagNames, name)
}
// DeleteNoCloseTagName deletes name from .NoCloseTagNames set.
func (opts *Options) DeleteNoCloseTagName(name string) {
var newset []string
for _, n := range opts.NoCloseTagNames {
if n != name {
newset = append(newset, n)
}
}
opts.NoCloseTagNames = newset
}
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