init skill_tree_c dir, add readme

.gitignore

+.vscode
+.idea
+.DS_Store
+__pycache__
+*.pyc
+*.zip
\ No newline at end of file

README.md

 # skill_tree_c
 
+## 初始化
+
+```
+pip install -r requirement.txt
+```
+
+
+## 目录结构说明
+
+* 技能树`骨架文件`：
+    * 位置：`data/tree.json` 
+    * 说明：该文件是执行 `python main.py` 生成的，请勿人工编辑
+* 技能树`根节点`配置文件：
+    * 位置：`data/config.json`
+    * 说明：可编辑配置关键词等字段，其中 `node_id` 字段是生成的，请勿编辑
+* 技能树`难度节点`：
+    * 位置：`data/xxx`，例如: `data/1.C语言初阶`
+    * 说明：
+        * 每个技能树有 3 个等级，目录前的序号是必要的，用来保持文件夹目录的顺序
+        * 每个目录下有一个 `config.json` 可配置关键词信息，其中 `node_id` 字段是生成的，请勿编辑
+* 技能树`章节点`：
+    * 位置：`data/xxx/xxx`，例如：`data/1.C语言初阶/1.C语言概述`
+    * 说明：
+        * 每个技能树的每个难度等级有 n 个章节，目录前的序号是必要的，用来保持文件夹目录的顺序
+        * 每个目录下有一个 `config.json` 可配置关键词信息，其中 `node_id` 字段是生成的，请勿编辑
+* 技能树`知识节点`：
+    * 位置：`data/xxx/xxx`，例如：`data/1.C语言初阶/1.C语言概述`
+    * 说明：
+        * 每个技能树的每章有 n 个知识节点，目录前的序号是必要的，用来保持文件夹目录的顺序
+        * 每个目录下有一个 `config.json`
+            * 其中 `node_id` 字段是生成的，请勿编辑
+            * 其中 `keywords` 可配置关键字字段
+            * 其中 `children` 可配置该`知识节点`下的子树结构信息，参考后面描述
+            * 其中 `export` 可配置该`知识节点`下的导出习题信息，参考后面描述
+
+
+## `知识节点` 子树信息结构
+
+例如 `data/1.C语言初阶/1.C语言概述/1.C语言发展史/config.json` 里配置对该知识节点子树信息结构：
+```json
+{
+    // ...
+
+    "children": [
+        {
+        "C语言的起源": {
+            "keywords": [
+            "C语言的起源",
+            "起源",
+            "C语言"
+            ],
+            "children": []
+        }
+        },
+        {
+        "C语言的发展与应用": {
+            "keywords": [
+            "C语言的发展",
+            "C语言的应用",
+            "发展",
+            "应用",
+            "C语言"
+            ],
+            "children": []
+        }
+        }
+    ],
+}
+```
+
+
+
+## `知识节点` 的导出习题编辑
+
+例如 `data/1.C语言初阶/1.C语言概述/1.C语言发展史/config.json` 里配置对该知识节点导出的习题
+
+```json
+{
+    // ...
+    "export": [
+        {
+            "file": "helloworld.c",
+            "variants": "helloworld.json",
+            "depends": []
+        },
+        // ...
+    ]
+}
+```
+
+格式说明：
+* `file`: 指定该目录下的习题源文件
+* `variants`： 指定习题同名的json选项配置文件，参考下一节
+* `depends`: 如果习题依赖同目录下的其他习题源代码，则在此字段里配置依赖的其他习题源文件名
+
+## `知识节点` 的导出习题选项配置编辑
+
+首先，在知识节点下增加一个习题代码，例如在 `data/1.C语言初阶/1.C语言概述/1.C语言发展史/` 下增加一个`helloworld.c`代码：
+
+```c
+#include <stdio.h>
+int main(int argc, char** argv){
+    printf("Hello,Wrold!");
+    return 0;
+}
+```
+
+其次，增加一个同名的选项配置文件`helloworld.json`，目前有两种配置规则
+
+**单行替换规则**：
+
+* 配置由`one_line`字段指定的单行替换字典
+* 格式是：`"<源字符串>"`: [`"<替换字符串A>"`, `<替换字符串B>`,...],
+    * 其中每个 `"<源字符串>"` `/` `"<替换字符串A>"` 被生成为是一个替换选项
+    * 指定的配置应该能至少生成 `3+` 个替换选项
+
+```json
+{
+    "one_line": {
+        "printf": ["print"],
+        "return 0;": ["return 0"],
+        "(\"Hello,Wrold!\")": [" \"Hello,Wrold!\""]
+    }
+}
+```
+
+上面的替换规则会将代码替换成 3 个变种的代码：
+
+```c
+// 变种代码1
+#include <stdio.h>
+int main(int argc, char** argv){
+    print("Hello,Wrold!");
+    return 0;
+}
+```
+
+```c
+// 变种代码2
+#include <stdio.h>
+int main(int argc, char** argv){
+    print("Hello,Wrold!");
+    return 0
+}
+```
+
+```c
+// 变种代码3
+#include <stdio.h>
+int main(int argc, char** argv){
+    print "Hello,Wrold!";
+    return 0
+}
+```
+
+这些变种代码将会作为技能树该知识点该代码选择题的选项。
+
+**多行替换规则**：
+
+* 配置由`multiline`字段指定的多行替换数组
+* 数组的每个元素是一组替换规则，会整组被替换
+
+例如：
+
+```json
+{
+    "multiline": [
+        {
+            "printf": "print"
+        },
+        {
+            "int main(int argc, char** argv){" : "int main(char** argv){",
+            "return 0;" : "return 0",
+        },
+        {
+            "#include <stdio.h>": ""
+        }
+    ]
+}
+```
+
+同样，该配置将支持将源代码生成3个变种代码
+
+```c
+// 变种代码1
+#include <stdio.h>
+int main(int argc, char** argv){
+    print("Hello,Wrold!");
+    return 0;
+}
+```
+
+```c
+// 变种代码2, 注意第2组替换规则，包含了两行替换
+#include <stdio.h>
+int main(char** argv){
+    print("Hello,Wrold!");
+    return 0
+}
+```
+
+```c
+// 变种代码3
+int main(int argc, char** argv){
+    print("Hello,Wrold!");
+    return 0;
+}
+```
+
+## 技能树合成
+
+在根目录下执行 `python main.py` 会合成技能树文件，合成的技能树文件: `data/tree.json`
+* 合成过程中，会自动检查每个目录下 `config.json` 里的 `node_id` 是否存在，不存在则生成
+* 合成过程中，会自动检查每个知识点目录下 `config.json` 里的 `export` 里导出的习题配置，检查是否存在`exercise_id` 字段，如果不存在则生成

data/1.C语言初阶/1.C语言概述/1.C语言发展史/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "C语言概述",
+    "概述",
+    "C语言"
+  ],
+  "children": [
+    {
+      "C语言的起源": {
+        "keywords": [
+          "C语言的起源",
+          "起源",
+          "C语言"
+        ],
+        "children": []
+      }
+    },
+    {
+      "C语言的发展与应用": {
+        "keywords": [
+          "C语言的发展",
+          "C语言的应用",
+          "发展",
+          "应用",
+          "C语言"
+        ],
+        "children": []
+      }
+    }
+  ],
+  "export": [
+    {
+        "file": "helloworld.c",
+        "variants": "helloworld.json",
+        "depends": []
+    }
+  ]
+}
\ No newline at end of file

data/1.C语言初阶/1.C语言概述/1.C语言发展史/helloworld.json

+{
+    
+}
\ No newline at end of file

data/1.C语言初阶/1.C语言概述/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "C语言概述",
+    "概述",
+    "C语言"
+  ]
+}
\ No newline at end of file

data/1.C语言初阶/2.数据类型/1.变量与常量/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "数据类型",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/2.数据类型/2.整数类型/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "数据类型",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/2.数据类型/3.浮点类型/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "数据类型",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/2.数据类型/4.字符类型/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "数据类型",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/2.数据类型/5.布尔类型/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "数据类型",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/2.数据类型/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "数据类型",
+    "C语言"
+  ]
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/1.赋值运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/10.逗号运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/11.位逻辑运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/12.sizeof运算符和size_t类型/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/13.运算符优先级/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/14.求值顺序/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/2.加法运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/3.减法运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/4.符号运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/5.乘法运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/6.除法运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/7.求模运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/8.递增运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/9.递减运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/3.运算符/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "运算符",
+    "C语言"
+  ]
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/1.赋值表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/2.算术表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/3.关系表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/4.逻辑表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/5.位逻辑表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/6.逗号表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/4.表达式/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "表达式",
+    "C语言"
+  ]
+}
\ No newline at end of file

data/1.C语言初阶/5.语句与控制流/1.程序块/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "语句",
+    "控制流",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/5.语句与控制流/2.if语句/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "语句",
+    "控制流",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/5.语句与控制流/3.if-else语句/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "语句",
+    "控制流",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/5.语句与控制流/4.else-if语句/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "语句",
+    "控制流",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/5.语句与控制流/5.switch语句/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "语句",
+    "控制流",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/1.C语言初阶/5.语句与控制流/6.while循环与for循环/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "语句",
+    "控制流",
+    "C语言"
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data/1.C语言初阶/5.语句与控制流/9.goto语句/config.json

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data/3.C语言高阶/4.预处理器/3.#undef指令/config.json

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+          "文件的关闭",
+          "文件",
+          "文件关闭"
+        ],
+        "children": []
+      }
+    }
+  ],
+  "export": []
+}
\ No newline at end of file

data/3.C语言高阶/5.文件/2.文件的读写/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "文件",
+    "C语言"
+  ],
+  "children": [],
+  "export": []
+}
\ No newline at end of file

data/3.C语言高阶/5.文件/config.json

+{
+  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
+  "keywords": [
+    "文件",
+    "C语言"
+  ]
+}
\ No newline at end of file