Stanislav N. aka pztrn
48d43ca097
Pagination now works. Temporary hardcoded 10 pastes per page, will be put in configuration later. Maybe. From now user will receive readable error message if error occured. Started to work on syntax highlighting, tried to make lexers detection work but apparently to no avail.
44 lines
1.0 KiB
Go
44 lines
1.0 KiB
Go
package chroma
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import (
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"io"
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)
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// A Formatter for Chroma lexers.
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type Formatter interface {
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// Format returns a formatting function for tokens.
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//
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// If the iterator panics, the Formatter should recover.
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Format(w io.Writer, style *Style, iterator Iterator) error
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}
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// A FormatterFunc is a Formatter implemented as a function.
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//
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// Guards against iterator panics.
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type FormatterFunc func(w io.Writer, style *Style, iterator Iterator) error
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func (f FormatterFunc) Format(w io.Writer, s *Style, it Iterator) (err error) {
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defer func() {
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if perr := recover(); perr != nil {
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err = perr.(error)
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}
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}()
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return f(w, s, it)
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}
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type recoveringFormatter struct {
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Formatter
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}
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func (r recoveringFormatter) Format(w io.Writer, s *Style, it Iterator) (err error) {
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defer func() {
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if perr := recover(); perr != nil {
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err = perr.(error)
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}
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}()
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return r.Formatter.Format(w, s, it)
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}
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// RecoveringFormatter wraps a formatter with panic recovery.
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func RecoveringFormatter(formatter Formatter) Formatter { return recoveringFormatter{formatter} }
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