--- /dev/null
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+}
<Workspace
version = "1.0">
<FileRef
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</FileRef>
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<key>IDESourceControlProjectFavoriteDictionaryKey</key>
<false/>
<key>IDESourceControlProjectIdentifier</key>
- <string>1330DDA2-1B99-4E60-9F3A-B7DE1D7ECB22</string>
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<string>https://github.com/acevest/acecode.git</string>
</dict>
<key>IDESourceControlProjectPath</key>
- <string>learn/swift/MyPlayground.playground</string>
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<key>IDESourceControlProjectRelativeInstallPathDictionary</key>
<dict>
<key>BA634633803B1A00DDD2BCDEF5C645E5844F56E6</key>
- <string>../../..</string>
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</dict>
<key>IDESourceControlProjectURL</key>
<string>https://github.com/acevest/acecode.git</string>
--- /dev/null
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--- /dev/null
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+</plist>
--- /dev/null
+//
+// main.swift
+// AppleSwift
+//
+// Created by Ace on 15/6/23.
+// Copyright (c) 2015年 Ace. All rights reserved.
+//
+
+import Foundation
+
+
+let Constant = 0x1234 // let 声明常量
+var Variable = 0xAFEC // var 声明变量
+var VarInt = 8421
+var VarFloat = 3.1415926
+var VarDouble:Double = 2.71828182846 //如果初始类型信息不足，可以在变量后加":类型"
+var VarF:Float = 0.1314
+var str:String = "Hello, World!"
+
+
+let ss = str + " " + String(Variable) // 类型必需显示转换
+
+
+// 可以通过在客串中加\()的方式把值转换成字符串
+let Int2Str = "translate int in string with \(VarInt) \(ss)"
+println(Int2Str)
+
+
+// 数组
+var arrayList = ["apple", "microsoft", "xx", "google", "tencent", "twitter"]
+arrayList[2] = "amazon"
+println(arrayList)
+
+// 字典
+var dict = [
+ "apple" : "USA",
+ "tencnet" : "CN"
+]
+println(dict)
+println(dict["apple"])
+println(dict["apple"]!)
+
+// 创建空数组和空字典
+var EmptyArray = [String]()
+var EmptyDict = [String:String]()
+// or
+var EmptArrayWithNoType = []
+var EmptDictWithNoType = [:]
+
+for cp in arrayList {
+ println(cp)
+}
+
+
+
+var OptionalVar:String? = "hehe"
+//OptionalVar = nil
+if let name = OptionalVar {
+ println("Hello \(OptionalVar)")
+}
+else
+{
+ println("sssssss")
+}
+
+
+let word = "ff"
+
+switch word {
+case "dd" :
+ println("unknown")
+case "ff" :
+ println("fallthrough")
+ fallthrough // 会走到下一个case
+case "red apple", "blue apple" :
+ println("red")
+default: // 必须在最后。。。
+ println("default");
+}
+
+
+// 闭区间
+for i in 0...3 {
+ print(i)
+}
+println("")
+// 开区间
+for i in 0..<3 {
+ print(i)
+}
+
+
+for i in 0..<arrayList.count {
+ println("arrayList的第\(i+1)个元素为 \(arrayList[i])")
+}
+
+//let optIntStr = "ffffffff"
+let optIntStr = "123"
+let optInt = optIntStr.toInt()
+if optInt != nil {
+ println("\(optIntStr) has integer value of \(optInt!)")
+ println("\(optIntStr) has integer value of \(optInt)")
+} else {
+ println("\(optIntStr) could not be converted to an integer")
+}
+
+
+let possableString:String?="An optional string"
+println(possableString!)
+let assumedString:String!="An implicitly unwrapped optional string"
+println(assumedString)
+
+
+var opt:String="aaa"
+// opt=nil // 如果声明没有? 或 ! 来表明这是一个可选类型，那么 nil的赋值不合法
+print(opt)
+//assert(opt != "aaa", "assert failed")
+
+
+// String
+var s = "aaaaaa\0bbbbb\tccccc\\\n\"\'"
+println(s)
+
+var emptySa = ""
+var emptySb = String()
+
+if emptySa.isEmpty && emptySb.isEmpty {
+ println("emptySa and emptySb is empty")
+}
+
+var emojiStr = "😘😡👿😜"
+for c in emojiStr {
+ print(c)
+}
+
+
+var smileChar:Character = "😀"
+emojiStr.append(smileChar)
+println(" emojistr \(emojiStr) charactor count is \(count(emojiStr))")
+
+
+s = "Prefix----Suffix"
+if s.hasPrefix("Prefix") && s.hasSuffix("Suffix") {
+ println(s.lowercaseString)
+ println(s.uppercaseString)
+}
+
+
+// Array
+var IntArray:Array<Int>=[]
+for i in 1...5 {
+ IntArray.append(i)
+}
+IntArray += [0, -1, -2, -3, -4]
+IntArray[0] = 1024
+IntArray[1..<4]=[999, 888, 777]
+IntArray.insert(1, atIndex: 0)
+IntArray.removeAtIndex(5)
+IntArray.removeLast()
+println(IntArray)
+for (index, value) in enumerate(IntArray) {
+ println("Item \(index+1): \(value)")
+}
+
+
+var StringArray = [String]()
+StringArray.append("dd")
+StringArray = []
+
+var DoubleArray = [Double](count:3, repeatedValue:9.9)
+for i in 1...5 {
+ DoubleArray.append(Double(i)*1.1)
+}
+println(DoubleArray)
+
+
+// Set
+var SetA=Set<Int>()
+var SetB:Set<Character>=[]
+var SetC: Set<Character> = ["a", "b", "b"]
+
+SetA.insert(1)
+SetA.insert(2)
+SetA.insert(1)
+if SetA.contains(1) {
+ println(SetA)
+}
+
+for genre in sorted(SetA) {
+ println("\(genre)")
+}
+
+let oddSet:Set = [1, 3, 5, 7, 9]
+let evenSet:Set = [0, 2, 4, 6, 8]
+println(sorted(oddSet.intersect(evenSet))) // 交
+println(sorted(oddSet.union(evenSet))) // 并
+println(oddSet.hashValue)
+
+
+// Dict
+var airports: [String:String] = ["TYO" : "Tokyo", "DUB":"Dublin"]
+airports["LHR"] = "London"
+airports["APL"] = "Apple Internation"
+if let oldValue = airports.updateValue("Dublin Internation", forKey: "DUB") {
+ println("The old value for DIB was \(oldValue)")
+}
+
+for (k, v) in airports {
+ println("\(k): \(v)")
+}
+
+for k in airports.keys {
+ println("Airport Code: \(k)")
+}
+
+for v in airports.values {
+ println("Airport Name: \(v)")
+}
+
+println(airports)
+airports["APL"] = nil // Delete
+println(airports)
+
+if let removedValue = airports.removeValueForKey("DUB") {
+ println("The removed airport's name is \(removedValue)")
+} else {
+ println("The airports dictionary does not contain a value for DUB")
+}
+
+// create an empty dict
+var emptyDict = Dictionary<Int, String>()
+emptyDict[16] = "sixteen"
+emptyDict = [:]
+
+
+
+
+
+
+
+++ /dev/null
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='3.0' sdk='iphonesimulator'>
- <sections>
- <code source-file-name='section-1.swift'/>
- </sections>
- <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+++ /dev/null
-// Playground - noun: a place where people can play
-
-import UIKit
-
-var str = "Hello, playground"
-println(str)
-
-let Constant = 0x1234 // let 声明常量
-var Variable = 0xAFEC // var 声明变量
-var VarInt = 8421
-var VarFloat = 3.1415926
-var VarDouble:Double = 2.71828182846 //如果初始类型信息不足，可以在变量后加":类型"
-var VarF:Float = 0.1314
-
-
-let s = str + String(Variable) // 类型必需显示转换
-
-
-// 可以通过在客串中加\()的方式把值转换成字符串
-let Int2Str = "translate int in string with \(VarInt) \(str)"
-println(Int2Str)
-
-
-// 数组
-var arrayList = ["apple", "microsoft", "xx", "google", "tencent", "twitter"]
-arrayList[2] = "amazon"
-println(arrayList)
-
-// 字典
-var dict = [
- "apple" : "USA",
- "tencnet" : "CN"
-]
-println(dict)
-
-// 创建空数组和空字典
-var EmptyArray = [String]()
-var EmptyDict = [String:String]()
-// or
-var EmptArrayWithNoType = []
-var EmptDictWithNoType = [:]
-
-for cp in arrayList {
- println(cp)
-}
-
-
-
-var OptionalVar: String? = "hehe"
-OptionalVar == nil
-if let name = OptionalVar {
- println("Hello \(OptionalVar)")
-}
-else
-{
- println("sssssss")
-}
-
-
-let word = "red apple"
-
-//switch word {
-//case "dd" :
-//}
-
-
-
-
+++ /dev/null
-<?xml version="1.0" encoding="UTF-8"?>
-<Timeline
- version = "3.0">
- <TimelineItems>
- </TimelineItems>
-</Timeline>
--- /dev/null
+/*
+ * ------------------------------------------------------------------------
+ * File Name: RingBuffer.cpp
+ * Thu Jun 18 16:13:49 2015
+ * Description: none
+ * ------------------------------------------------------------------------
+ */
+
+#include <cstdlib>
+#include <string.h>
+
+class RingBuffer
+{
+public:
+ RingBuffer(): buffer_(NULL), in_(0), out_(0), size_(0) {}
+ ~RingBuffer() {}
+
+public:
+ // Init - 初始化缓冲区
+ // @buffer: 已经申请的用作缓冲区的内存指针
+ // @size: 缓冲区的大小, 必须是2的整数次幂
+ //
+ // 通过@buffer传入的内存, 可以是通过Alloc申请的, 也可以是外部自行分配的
+ // 后者需要自行释放内存, 不适合通过Free释放
+ int Init(unsigned char *buffer, unsigned int size)
+ {
+ if (!is_power_of_two(size))
+ return -1;
+
+ buffer_ = buffer;
+ size_ = size;
+ in_ = out_ = 0;
+
+ return 0;
+ }
+
+ // Alloc - 在堆上申请指定大小的缓冲区内存并初始化
+ // @size: 缓冲区大小, 会向上调整到2的整数次幂
+ //
+ // 通过Alloc申请的内存需要通过Free进行释放, 即Alloc和Free要配对使用
+ int Alloc(unsigned int size)
+ {
+ unsigned char *buffer;
+ int ret;
+
+ if (!is_power_of_two(size))
+ size = roundup_power_of_two(size);
+
+ buffer = new unsigned char[size];
+ if (!buffer)
+ return -1;
+
+ ret = Init(buffer, size);
+ if (ret != 0)
+ delete[] buffer;
+
+ return 0;
+ }
+
+ // Put - 向缓冲区拷贝指定长度的数据
+ // @buffer: 拷贝到缓冲区的数据
+ // @len: 数据长度
+ //
+ // 从@buffer向缓冲区拷贝至多@len字节的数据, 具体拷贝长度依赖缓冲区的
+ // 剩余空间大小, 实际拷贝长度通过返回值返回
+ unsigned int Put(const unsigned char *buffer, unsigned int len)
+ {
+ unsigned int l;
+
+ len = min(len, size_ - Len());
+
+ // 从buffer_的in_位置开始写入数据, 直到buffer_的结尾位置
+ l = min(len, size_ - (in_ & (size_ - 1)));
+ memcpy(buffer_ + (in_ & (size_ - 1)), buffer, l);
+
+ // 把剩余数据从buffer_的起始位置开始写入, 直到完成len字节写入
+ memcpy(buffer_, buffer + l, len - l);
+
+ in_ += len;
+
+ return len;
+ }
+
+ // Get - 从缓冲区中取出指定长度的数据
+ // @buffer: 取出数据的拷贝内存
+ // @len: 拷贝内存的长度
+ //
+ // 向@buffer拷贝至多@len字节的数据, 实际拷贝长度通过返回值返回
+ unsigned int Get(unsigned char *buffer, unsigned int len)
+ {
+ unsigned int l;
+
+ len = min(len, Len());
+
+ // 从buffer_的out_位置开始读出数据, 直到buffer_的结束位置
+ l = min(len, size_ - (out_ & (size_ - 1)));
+ memcpy(buffer, buffer_ + (out_ & (size_ - 1)), l);
+
+ // 然后从buffer_的起始位置开始读出, 直到完成len字节读出
+ memcpy(buffer + l, buffer_, len - l);
+
+ out_ += len;
+
+ return len;
+ }
+
+ // Len - 返回缓冲区的数据长度
+ unsigned int Len()
+ {
+ return in_ - out_;
+ }
+
+ // Reset - 重置缓冲区, 即清空缓冲区数据
+ void Reset()
+ {
+ in_ = out_ = 0;
+ }
+
+ // Free - 释放缓冲区内存
+ // 释放通过Alloc申请的缓冲区内存, 和Alloc配对使用
+ void Free()
+ {
+ if (buffer_)
+ {
+ delete[] buffer_;
+ buffer_ = NULL;
+ }
+ }
+
+private:
+ template <typename T>
+ T min(T a, T b)
+ {
+ return a > b ? b : a;
+ }
+
+ bool is_power_of_two(unsigned int n)
+ {
+ return (n != 0 && ((n & (n - 1)) == 0));
+ }
+
+ unsigned int roundup_power_of_two(unsigned int n)
+ {
+ unsigned int fls = __builtin_clz(n);
+ return 1 << (sizeof(n) * 8 - fls);
+ }
+
+private:
+ unsigned char *buffer_; // 缓冲区指针
+ unsigned int in_; // 写指针
+ unsigned int out_; // 读指针
+ unsigned int size_; // 缓冲区大小
+};
+
+int main()
+{
+ RingBuffer rb;
+ rb.Alloc(7);
+
+ unsigned char str[128] = {0};
+ int n;
+
+ str[0] = 'a';
+ n = rb.Put(str, 1);
+
+ str[1] = 'b';
+ n = rb.Put(str, 2);
+
+ str[2] = 'c';
+ n = rb.Put(str, 3);
+
+ str[3] = 'd';
+ n = rb.Put(str, 4);
+
+ str[4] = 'e';
+ n = rb.Put(str, 5);
+
+ n = rb.Get(str, 2);
+ n = rb.Get(str, 1);
+
+ rb.Free();
+
+ return 0;
+}
&& !valid_type(path,"py")
&& !valid_type(path,"go")
&& !valid_type(path,"php")
+ && !valid_type(path,"swift")
)
{
#if 0