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109 lines
2.1 KiB
Go
109 lines
2.1 KiB
Go
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
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// license. Its contents can be found at:
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// http://creativecommons.org/publicdomain/zero/1.0/
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package bindata
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import (
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"fmt"
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"io"
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)
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// writeDebug writes the debug code file.
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func writeDebug(w io.Writer, c *Config, toc []Asset) error {
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err := writeDebugHeader(w, c)
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if err != nil {
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return err
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}
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err = writeAssetFS(w, c)
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if err != nil {
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return err
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}
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for i := range toc {
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err = writeDebugAsset(w, c, &toc[i])
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if err != nil {
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return err
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}
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}
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return nil
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}
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// writeDebugHeader writes output file headers.
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// This targets debug builds.
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func writeDebugHeader(w io.Writer, c *Config) error {
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var header string
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if c.HttpFileSystem {
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header = `import (
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"bytes"
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"net/http"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"time"`
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} else {
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header = `import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"`
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}
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_, err := fmt.Fprintf(w, `%s
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)
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// bindataRead reads the given file from disk. It returns an error on failure.
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func bindataRead(path, name string) ([]byte, error) {
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buf, err := ioutil.ReadFile(path)
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if err != nil {
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err = fmt.Errorf("Error reading asset %%s at %%s: %%v", name, path, err)
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}
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return buf, err
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}
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type asset struct {
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bytes []byte
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info os.FileInfo
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}
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`, header)
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return err
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}
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// writeDebugAsset write a debug entry for the given asset.
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// A debug entry is simply a function which reads the asset from
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// the original file (e.g.: from disk).
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func writeDebugAsset(w io.Writer, c *Config, asset *Asset) error {
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pathExpr := fmt.Sprintf("%q", asset.Path)
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if c.Dev {
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pathExpr = fmt.Sprintf("filepath.Join(rootDir, %q)", asset.Name)
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}
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_, err := fmt.Fprintf(w, `// %s reads file data from disk. It returns an error on failure.
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func %s() (*asset, error) {
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path := %s
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name := %q
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bytes, err := bindataRead(path, name)
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if err != nil {
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return nil, err
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}
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fi, err := os.Stat(path)
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if err != nil {
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err = fmt.Errorf("Error reading asset info %%s at %%s: %%v", name, path, err)
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}
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a := &asset{bytes: bytes, info: fi}
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return a, err
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}
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`, asset.Func, asset.Func, pathExpr, asset.Name)
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return err
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}
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