47 lines
644 B
Go
47 lines
644 B
Go
package zim
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import "github.com/pkg/errors"
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type EntryIterator struct {
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index int
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entry Entry
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err error
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reader *Reader
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}
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func (it *EntryIterator) Next() bool {
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if it.err != nil {
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return false
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}
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entryCount := it.reader.EntryCount()
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if it.index >= int(entryCount-1) {
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return false
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}
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entry, err := it.reader.EntryAt(it.index)
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if err != nil {
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it.err = errors.WithStack(err)
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return false
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}
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it.entry = entry
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it.index++
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return true
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}
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func (it *EntryIterator) Err() error {
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return it.err
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}
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func (it *EntryIterator) Index() int {
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return it.index - 1
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}
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func (it *EntryIterator) Entry() Entry {
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return it.entry
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}
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