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59 lines
1.6 KiB
59 lines
1.6 KiB
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gfile
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import (
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"bytes"
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"fmt"
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"github.com/gogf/gf/v2/container/garray"
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"github.com/gogf/gf/v2/errors/gerror"
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)
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// Search searches file by name `name` in following paths with priority:
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// prioritySearchPaths, Pwd()、SelfDir()、MainPkgPath().
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// It returns the absolute file path of `name` if found, or en empty string if not found.
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func Search(name string, prioritySearchPaths ...string) (realPath string, err error) {
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// Check if it's an absolute path.
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realPath = RealPath(name)
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if realPath != "" {
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return
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}
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// Search paths array.
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array := garray.NewStrArray()
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array.Append(prioritySearchPaths...)
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array.Append(Pwd(), SelfDir())
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if path := MainPkgPath(); path != "" {
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array.Append(path)
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}
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// Remove repeated items.
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array.Unique()
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// Do the searching.
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array.RLockFunc(func(array []string) {
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path := ""
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for _, v := range array {
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path = RealPath(v + Separator + name)
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if path != "" {
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realPath = path
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break
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}
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}
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})
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// If it fails searching, it returns formatted error.
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if realPath == "" {
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buffer := bytes.NewBuffer(nil)
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buffer.WriteString(fmt.Sprintf(`cannot find "%s" in following paths:`, name))
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array.RLockFunc(func(array []string) {
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for k, v := range array {
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buffer.WriteString(fmt.Sprintf("\n%d. %s", k+1, v))
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}
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})
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err = gerror.New(buffer.String())
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}
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return
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}
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