zenity/file_unix.go

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// +build !windows,!darwin
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package zenity
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import (
"os/exec"
"strings"
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"github.com/ncruces/zenity/internal/zenutil"
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)
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func selectFile(options []Option) (string, error) {
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opts := applyOptions(options)
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args := []string{"--file-selection"}
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if opts.directory {
args = append(args, "--directory")
}
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if opts.title != "" {
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args = append(args, "--title", opts.title)
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}
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if opts.filename != "" {
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args = append(args, "--filename", opts.filename)
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}
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args = append(args, initFilters(opts.fileFilters)...)
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out, err := zenutil.Run(args)
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if err, ok := err.(*exec.ExitError); ok && err.ExitCode() != 255 {
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return "", nil
}
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if err != nil {
return "", err
}
if len(out) > 0 {
out = out[:len(out)-1]
}
return string(out), nil
}
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func selectFileMutiple(options []Option) ([]string, error) {
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opts := applyOptions(options)
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args := []string{"--file-selection", "--multiple", "--separator", zenutil.Separator}
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if opts.directory {
args = append(args, "--directory")
}
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if opts.title != "" {
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args = append(args, "--title", opts.title)
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}
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if opts.filename != "" {
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args = append(args, "--filename", opts.filename)
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}
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args = append(args, initFilters(opts.fileFilters)...)
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out, err := zenutil.Run(args)
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if err, ok := err.(*exec.ExitError); ok && err.ExitCode() != 255 {
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return nil, nil
}
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if err != nil {
return nil, err
}
if len(out) > 0 {
out = out[:len(out)-1]
}
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return strings.Split(string(out), zenutil.Separator), nil
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}
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func selectFileSave(options []Option) (string, error) {
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opts := applyOptions(options)
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args := []string{"--file-selection", "--save"}
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if opts.directory {
args = append(args, "--directory")
}
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if opts.title != "" {
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args = append(args, "--title", opts.title)
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}
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if opts.filename != "" {
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args = append(args, "--filename", opts.filename)
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}
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if opts.confirmOverwrite {
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args = append(args, "--confirm-overwrite")
}
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args = append(args, initFilters(opts.fileFilters)...)
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out, err := zenutil.Run(args)
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if err, ok := err.(*exec.ExitError); ok && err.ExitCode() != 255 {
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return "", nil
}
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if err != nil {
return "", err
}
if len(out) > 0 {
out = out[:len(out)-1]
}
return string(out), nil
}
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func initFilters(filters []FileFilter) []string {
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var res []string
for _, f := range filters {
var buf strings.Builder
buf.WriteString("--file-filter=")
if f.Name != "" {
buf.WriteString(f.Name)
buf.WriteRune('|')
}
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for _, p := range f.Patterns {
buf.WriteString(p)
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buf.WriteRune(' ')
}
res = append(res, buf.String())
}
return res
}