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package gomplate
import (
"os"
"strconv"
"strings"
)
// Config - values necessary for rendering templates with gomplate.
// Mainly for use by the CLI
type Config struct {
Input string
InputFiles []string
InputDir string
ExcludeGlob []string
OutputFiles []string
OutputDir string
OutMode string
DataSources []string
DataSourceHeaders []string
Contexts []string
LDelim string
RDelim string
Templates []string
}
// defaults - sets any unset fields to their default value (if applicable)
func (o *Config) defaults() *Config {
if o.OutputDir == "" {
o.OutputDir = "."
}
if o.InputFiles == nil {
o.InputFiles = []string{"-"}
}
if o.OutputFiles == nil {
o.OutputFiles = []string{"-"}
}
if o.LDelim == "" {
o.LDelim = "{{"
}
if o.RDelim == "" {
o.RDelim = "}}"
}
return o
}
// parse an os.FileMode out of the string, and let us know if it's an override or not...
func (o *Config) getMode() (os.FileMode, bool, error) {
modeOverride := o.OutMode != ""
m, err := strconv.ParseUint("0"+o.OutMode, 8, 32)
if err != nil {
return 0, false, err
}
mode := os.FileMode(m)
if mode == 0 && o.Input != "" {
mode = 0644
}
return mode, modeOverride, nil
}
// nolint: gocyclo
func (o *Config) String() string {
o.defaults()
c := "input: "
if o.Input != "" {
c += "<arg>"
} else if o.InputDir != "" {
c += o.InputDir
} else {
c += strings.Join(o.InputFiles, ", ")
}
if len(o.ExcludeGlob) > 0 {
c += "\nexclude: " + strings.Join(o.ExcludeGlob, ", ")
}
c += "\noutput: "
if o.InputDir != "" && o.OutputDir != "." {
c += o.OutputDir
} else {
c += strings.Join(o.OutputFiles, ", ")
}
if o.OutMode != "" {
c += "\nchmod: " + o.OutMode
}
if len(o.DataSources) > 0 {
c += "\ndatasources: " + strings.Join(o.DataSources, ", ")
}
if len(o.DataSourceHeaders) > 0 {
c += "\ndatasourceheaders: " + strings.Join(o.DataSourceHeaders, ", ")
}
if len(o.Contexts) > 0 {
c += "\ncontexts: " + strings.Join(o.Contexts, ", ")
}
if o.LDelim != "{{" {
c += "\nleft_delim: " + o.LDelim
}
if o.RDelim != "}}" {
c += "\nright_delim: " + o.RDelim
}
if len(o.Templates) > 0 {
c += "\ntemplates: " + strings.Join(o.Templates, ", ")
}
return c
}
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