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
975 B
Go
44 lines
975 B
Go
package chroma
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// An Iterator across tokens.
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//
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// nil will be returned at the end of the Token stream.
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//
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// If an error occurs within an Iterator, it may propagate this in a panic. Formatters should recover.
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type Iterator func() *Token
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// Tokens consumes all tokens from the iterator and returns them as a slice.
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func (i Iterator) Tokens() []*Token {
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out := []*Token{}
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for t := i(); t != nil; t = i() {
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out = append(out, t)
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}
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return out
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}
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// Concaterator concatenates tokens from a series of iterators.
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func Concaterator(iterators ...Iterator) Iterator {
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return func() *Token {
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for len(iterators) > 0 {
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t := iterators[0]()
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if t != nil {
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return t
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}
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iterators = iterators[1:]
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}
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return nil
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}
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}
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// Literator converts a sequence of literal Tokens into an Iterator.
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func Literator(tokens ...*Token) Iterator {
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return func() (out *Token) {
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if len(tokens) == 0 {
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return nil
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}
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token := tokens[0]
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tokens = tokens[1:]
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return token
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}
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}
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