141 lines
3.1 KiB
Go
141 lines
3.1 KiB
Go
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package goldsmith
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"os"
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"time"
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)
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type Goldsmith interface {
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Chain(p Plugin) Goldsmith
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FilterPush(f Filter) Goldsmith
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FilterPop() Goldsmith
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End(dstDir string) []error
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}
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func Begin(srcDir string) Goldsmith {
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gs := &goldsmith{srcDir: srcDir, refs: make(map[string]bool)}
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gs.Chain(new(loader))
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return gs
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}
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type File interface {
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Path() string
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Name() string
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Dir() string
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Ext() string
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Size() int64
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ModTime() time.Time
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Value(key string) (interface{}, bool)
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SetValue(key string, value interface{}) bool
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InheritValues(src File)
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Read(p []byte) (int, error)
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WriteTo(w io.Writer) (int64, error)
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Seek(offset int64, whence int) (int64, error)
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}
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func NewFileFromData(path string, data []byte) File {
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return &file{
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path: path,
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Meta: make(map[string]interface{}),
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reader: bytes.NewReader(data),
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size: int64(len(data)),
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modTime: time.Now(),
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}
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}
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func NewFileFromAsset(path, asset string) (File, error) {
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info, err := os.Stat(asset)
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if err != nil {
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return nil, err
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}
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if info.IsDir() {
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return nil, errors.New("assets must be files")
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}
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f := &file{
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path: path,
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Meta: make(map[string]interface{}),
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size: info.Size(),
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modTime: info.ModTime(),
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asset: asset,
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}
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return f, nil
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}
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type Context interface {
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DispatchFile(f File)
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SrcDir() string
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DstDir() string
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}
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type Error struct {
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Name string
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Path string
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Err error
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}
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func (e Error) Error() string {
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var path string
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if len(e.Path) > 0 {
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path = "@" + e.Path
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}
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return fmt.Sprintf("[%s%s]: %s", e.Name, path, e.Err.Error())
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}
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type Initializer interface {
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Initialize(ctx Context) ([]Filter, error)
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}
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type Processor interface {
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Process(ctx Context, f File) error
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}
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type Finalizer interface {
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Finalize(ctx Context) error
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}
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type Component interface {
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Name() string
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}
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type Filter interface {
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Component
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Accept(ctx Context, f File) (bool, error)
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}
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type Plugin interface {
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Component
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}
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