89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package curl2info
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import (
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"container/heap"
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)
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// parseQueue for Heap, Container List
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type parseQueue []*parseFunction
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// parseFunction 优先执行参数
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type parseFunction struct {
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ExecuteFunction func(u *CURL, soption string)
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ParamCURL *CURL
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ParamData string
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Priority int
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}
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// Execute 执行 函数
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func (pf *parseFunction) Execute() {
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pf.ExecuteFunction(pf.ParamCURL, pf.ParamData)
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}
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// Swap 实现sort.Iterface
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func (nodes *parseQueue) Swap(i, j int) {
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ns := *nodes
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ns[i], ns[j] = ns[j], ns[i]
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}
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// Less Priority Want Less
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func (nodes *parseQueue) Less(i, j int) bool {
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ns := *nodes
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return ns[i].Priority < ns[j].Priority
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}
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// Push 实现heap.Interface接口定义的额外方法
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func (nodes *parseQueue) Push(exec interface{}) {
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*nodes = append(*nodes, exec.(*parseFunction))
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}
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// Pop 堆顶
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func (nodes *parseQueue) Pop() (exec interface{}) {
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nlen := nodes.Len()
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exec = (*nodes)[nlen-1] // 返回删除的元素
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*nodes = (*nodes)[:nlen-1] // [n:m]不包括下标为m的元素
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return exec
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}
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// Len len(nodes)
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func (nodes *parseQueue) Len() int {
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return len(*nodes)
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}
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// pQueueExecute 优先函数队列
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type pQueueExecute struct {
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nodes parseQueue
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}
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// newPQueueExecute Create A pQueueExecute
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func newPQueueExecute() *pQueueExecute {
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pe := &pQueueExecute{}
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pe.nodes = make(parseQueue, 0)
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heap.Init(&pe.nodes)
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return pe
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}
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// Push Create A pQueueExecute
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func (pqe *pQueueExecute) Push(exec *parseFunction) {
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heap.Push(&pqe.nodes, exec)
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}
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// Pop Create A pQueueExecute
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func (pqe *pQueueExecute) Pop() *parseFunction {
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return heap.Pop(&pqe.nodes).(*parseFunction)
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}
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// Len Create A pQueueExecute
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func (pqe *pQueueExecute) Len() int {
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return pqe.nodes.Len()
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}
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// func (pqe *pQueueExecute) String() string {
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// content := ""
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// for _, node := range pqe.nodes {
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// content += strconv.Itoa(node.Prioty)
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// content += " "
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// }
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// return content
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// }
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