81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
package info
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import (
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"encoding/gob"
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"os"
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"path/filepath"
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"github.com/zyedidia/micro/internal/config"
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)
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// LoadHistory attempts to load user history from configDir/buffers/history
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// into the history map
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// The savehistory option must be on
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func (i *InfoBuf) LoadHistory() {
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if config.GetGlobalOption("savehistory").(bool) {
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file, err := os.Open(filepath.Join(config.ConfigDir, "buffers", "history"))
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defer file.Close()
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var decodedMap map[string][]string
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if err == nil {
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decoder := gob.NewDecoder(file)
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err = decoder.Decode(&decodedMap)
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if err != nil {
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i.Error("Error loading history:", err)
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return
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}
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}
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if decodedMap != nil {
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i.History = decodedMap
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} else {
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i.History = make(map[string][]string)
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}
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} else {
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i.History = make(map[string][]string)
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}
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}
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// SaveHistory saves the user's command history to configDir/buffers/history
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// only if the savehistory option is on
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func (i *InfoBuf) SaveHistory() {
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if config.GetGlobalOption("savehistory").(bool) {
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// Don't save history past 100
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for k, v := range i.History {
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if len(v) > 100 {
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i.History[k] = v[len(i.History[k])-100:]
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}
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}
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file, err := os.Create(filepath.Join(config.ConfigDir, "buffers", "history"))
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defer file.Close()
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if err == nil {
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encoder := gob.NewEncoder(file)
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err = encoder.Encode(i.History)
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if err != nil {
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i.Error("Error saving history:", err)
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return
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}
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}
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}
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}
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// UpHistory fetches the previous item in the history
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func (i *InfoBuf) UpHistory(history []string) {
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if i.HistoryNum > 0 && i.HasPrompt && !i.HasYN {
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i.HistoryNum--
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i.Replace(i.Start(), i.End(), history[i.HistoryNum])
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i.Buffer.GetActiveCursor().GotoLoc(i.End())
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}
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}
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// DownHistory fetches the next item in the history
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func (i *InfoBuf) DownHistory(history []string) {
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if i.HistoryNum < len(history)-1 && i.HasPrompt && !i.HasYN {
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i.HistoryNum++
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i.Replace(i.Start(), i.End(), history[i.HistoryNum])
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i.Buffer.GetActiveCursor().GotoLoc(i.End())
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}
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}
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