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package gomplate
import (
"io"
"os"
"strings"
"github.com/hairyhenderson/gomplate/v3/internal/config"
"github.com/hairyhenderson/gomplate/v3/internal/iohelpers"
)
// Config - values necessary for rendering templates with gomplate.
// Mainly for use by the CLI
//
// Deprecated: this type will be phased out, internal/config.Config is used
// everywhere else, and will be exposed as API in a future version
type Config struct {
Input string
InputFiles []string
InputDir string
ExcludeGlob []string
OutputFiles []string
OutputDir string
OutputMap string
OutMode string
Out io.Writer
DataSources []string
DataSourceHeaders []string
Contexts []string
Plugins []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
}
// nolint: gocyclo
func (o *Config) String() string {
o.defaults()
c := "input: "
switch {
case o.Input != "":
c += "<arg>"
case o.InputDir != "":
c += o.InputDir
default:
c += strings.Join(o.InputFiles, ", ")
}
if len(o.ExcludeGlob) > 0 {
c += "\nexclude: " + strings.Join(o.ExcludeGlob, ", ")
}
c += "\noutput: "
switch {
case o.InputDir != "" && o.OutputDir != ".":
c += o.OutputDir
case o.OutputMap != "":
c += o.OutputMap
default:
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 len(o.Plugins) > 0 {
c += "\nplugins: " + strings.Join(o.Plugins, ", ")
}
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
}
func (o *Config) toNewConfig() (*config.Config, error) {
cfg := &config.Config{
Input: o.Input,
InputFiles: o.InputFiles,
InputDir: o.InputDir,
ExcludeGlob: o.ExcludeGlob,
OutputFiles: o.OutputFiles,
OutputDir: o.OutputDir,
OutputMap: o.OutputMap,
OutMode: o.OutMode,
LDelim: o.LDelim,
RDelim: o.RDelim,
Templates: o.Templates,
Stdin: os.Stdin,
Stdout: &iohelpers.NopCloser{Writer: o.Out},
Stderr: os.Stderr,
}
err := cfg.ParsePluginFlags(o.Plugins)
if err != nil {
return nil, err
}
err = cfg.ParseDataSourceFlags(o.DataSources, o.Contexts, o.DataSourceHeaders)
if err != nil {
return nil, err
}
return cfg, nil
}
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