From b20768ff977e54fbbe8c402caaf262685e9809b7 Mon Sep 17 00:00:00 2001
From: kyt_2002 <kyt_2002@example.org>
Date: Thu, 5 Oct 2023 19:01:15 +0800
Subject: [PATCH] Update test_hash.c

---
 .../app_test/test_hash/test_hash.c            | 642 +++++++++---------
 1 file changed, 320 insertions(+), 322 deletions(-)

diff --git a/APP_Framework/Applications/app_test/test_hash/test_hash.c b/APP_Framework/Applications/app_test/test_hash/test_hash.c
index d6eabc4c7..6af5face7 100644
--- a/APP_Framework/Applications/app_test/test_hash/test_hash.c
+++ b/APP_Framework/Applications/app_test/test_hash/test_hash.c
@@ -1,323 +1,321 @@
-
-/**
-* @file:    test_hash.c
-* @brief:   a application of test hash function
-* @version: 3.0
-* @author:  Yao wenying
-* @date:    2023/05/26
-*/
-
-#include <transform.h>
-#include"test_hash.h"
-
-int defaultHashCode(HashMap hashMap, let key) {
-	char * k = (char *)key;
-	unsigned long h = 0;
-	while (*k) {
-		h = (h << 4) + *k++;
-		unsigned long g = h & 0xF0000000L;
-		if (g) {
-			h ^= g >> 24;
-		}
-		h &= ~g;
-	}
-	return h % hashMap->listSize;
-}
-
-Boolean defaultEqual(let key1, let key2) {
-	return strcmp((string)key1, (string)key2) ? False : True;
-}
-
-void resetHashMap(HashMap hashMap, int listSize) {
-
-	if (listSize < 8) return;
-
-	// 键值对临时存储空间
-	Entry tempList = newEntryList(hashMap->size);
-
-	HashMapIterator iterator = createHashMapIterator(hashMap);
-	int length = hashMap->size;
-	for (int index = 0; hasNextHashMapIterator(iterator); index++) {
-		// 迭代取出所有键值对
-		iterator = nextHashMapIterator(iterator);
-		tempList[index].key = iterator->entry->key;
-		tempList[index].value = iterator->entry->value;
-		tempList[index].next = NULL;
-	}
-	freeHashMapIterator(&iterator);
-
-	// 清除原有键值对数据
-	hashMap->size = 0;
-	for (int i = 0; i < hashMap->listSize; i++) {
-		Entry current = &hashMap->list[i];
-		current->key = NULL;
-		current->value = NULL;
-		if (current->next != NULL) {
-			while (current->next != NULL) {
-				Entry temp = current->next->next;
-				free(current->next);
-				current->next = temp;
-			}
-		}
-	}
-
-	// 更改内存大小
-	hashMap->listSize = listSize;
-	Entry relist = (Entry)realloc(hashMap->list, hashMap->listSize * sizeof(struct entry));
-	if (relist != NULL) {
-		hashMap->list = relist;
-		relist = NULL;
-	}
-
-	// 初始化数据
-	for (int i = 0; i < hashMap->listSize; i++) {
-		hashMap->list[i].key = NULL;
-		hashMap->list[i].value = NULL;
-		hashMap->list[i].next = NULL;
-	}
-
-	// 将所有键值对重新写入内存
-	for (int i = 0; i < length; i++) {
-		hashMap->put(hashMap, tempList[i].key, tempList[i].value);
-	}
-	free(tempList);
-}
-
-void defaultPut(HashMap hashMap, let key, let value) {
-	// 获取哈希值
-	int index = hashMap->hashCode(hashMap, key);
-
-	if (hashMap->list[index].key == NULL) {
-		hashMap->size++;
-		// 该地址为空时直接存储
-		hashMap->list[index].key = key;
-		hashMap->list[index].value = value;
-	}
-	else {
-
-		Entry current = &hashMap->list[index];
-		while (current != NULL) {
-			if (hashMap->equal(key, current->key)) {
-				// 对于键值已经存在的直接覆盖
-				current->value = value;
-				return;
-			}
-			current = current->next;
-		};
-
-		// 发生冲突则创建节点挂到相应位置的next上
-		Entry entry = newEntry();
-		entry->key = key;
-		entry->value = value;
-		entry->next = hashMap->list[index].next;
-		hashMap->list[index].next = entry;
-		hashMap->size++;
-	}
-
-	if (hashMap->autoAssign && hashMap->size >= hashMap->listSize) {
-
-		// 内存扩充至原来的两倍
-		// *注: 扩充时考虑的是当前存储元素数量与存储空间的大小关系，而不是存储空间是否已经存满，
-		// 例如: 存储空间为10，存入了10个键值对，但是全部冲突了，所以存储空间空着9个，其余的全部挂在一个上面，
-		// 这样检索的时候和遍历查询没有什么区别了，可以简单这样理解，当我存入第11个键值对的时候一定会发生冲突，
-		// 这是由哈希函数本身的特性(取模)决定的，冲突就会导致检索变慢，所以这时候扩充存储空间，对原有键值对进行
-		// 再次散列，会把冲突的数据再次分散开，加快索引定位速度。
-		resetHashMap(hashMap, hashMap->listSize * 2);
-	}
-}
-
-let defaultGet(HashMap hashMap, let key) {
-	if (hashMap->exists(hashMap, key)) {
-		int index = hashMap->hashCode(hashMap, key);
-		Entry entry = &hashMap->list[index];
-		while (entry != NULL) {
-			if (hashMap->equal(entry->key, key)) {
-				return entry->value;
-			}
-			entry = entry->next;
-		}
-	}
-	return NULL;
-}
-
-let defaultRemove(HashMap hashMap, let key) {
-	int index = hashMap->hashCode(hashMap, key);
-	Entry entry = &hashMap->list[index];
-	if (entry->key == NULL) {
-		return NULL;
-	}
-    let entryKey = entry->key;
-	Boolean result = False;
-	if (hashMap->equal(entry->key, key)) {
-		hashMap->size--;
-		if (entry->next != NULL) {
-			Entry temp = entry->next;
-			entry->key = temp->key;
-			entry->value = temp->value;
-			entry->next = temp->next;
-			free(temp);
-		}
-        else {
-            entry->key = NULL;
-            entry->value = NULL;
-        }
-		result = True;
-	}
-	else {
-		Entry p = entry;
-		entry = entry->next;
-		while (entry != NULL) {
-			if (hashMap->equal(entry->key, key)) {
-				hashMap->size--;
-				p->next = entry->next;
-				free(entry);
-				result = True;
-				break;
-			}
-			p = entry;
-			entry = entry->next;
-		};
-	}
-
-	// 如果空间占用不足一半，则释放多余内存
-	if (result && hashMap->autoAssign &&  hashMap->size < hashMap->listSize / 2) {
-		resetHashMap(hashMap, hashMap->listSize / 2);
-	}
-	return entryKey;
-}
-
-Boolean defaultExists(HashMap hashMap, let key) {
-	int index = hashMap->hashCode(hashMap, key);
-	Entry entry = &hashMap->list[index];
-	if (entry->key == NULL) {
-		return False;
-	}
-	else {
-		while (entry != NULL) {
-			if (hashMap->equal(entry->key, key)) {
-				return True;
-			}
-			entry = entry->next;
-		}
-		return False;
-	}
-}
-
-void defaultClear(HashMap hashMap) {
-	for (int i = 0; i < hashMap->listSize; i++) {
-		// 释放冲突值内存
-		Entry entry = hashMap->list[i].next;
-		while (entry != NULL) {
-			Entry next = entry->next;
-			free(entry);
-			entry = next;
-		}
-		hashMap->list[i].next = NULL;
-	}
-	// 释放存储空间
-	free(hashMap->list);
-	hashMap->list = NULL;
-	hashMap->size = -1;
-	hashMap->listSize = 0;
-}
-
-HashMap createHashMap(HashCode hashCode, Equal equal) {
-	HashMap hashMap = newHashMap();
-	if (hashMap == NULL) {
-		return NULL;
-	}
-	hashMap->size = 0;
-	hashMap->listSize = 8;
-	hashMap->hashCode = hashCode == NULL ? defaultHashCode : hashCode;
-	hashMap->equal = equal == NULL ? defaultEqual : equal;
-	hashMap->exists = defaultExists;
-	hashMap->get = defaultGet;
-	hashMap->put = defaultPut;
-	hashMap->remove = defaultRemove;
-	hashMap->clear = defaultClear;
-	hashMap->autoAssign = True;
-	
-	// 起始分配8个内存空间，溢出时会自动扩充
-	hashMap->list = newEntryList(hashMap->listSize);
-	if (hashMap->list == NULL) {
-		return NULL;
-	}
-	Entry p = hashMap->list;
-	for (int i = 0; i < hashMap->listSize; i++) {
-		p[i].key = p[i].value = p[i].next = NULL;
-	}
-	return hashMap;
-}
-
-HashMapIterator createHashMapIterator(HashMap hashMap) {
-	HashMapIterator iterator = newHashMapIterator();
-	if (iterator == NULL) {
-		return NULL;
-	}
-	iterator->hashMap = hashMap;
-	iterator->count = 0;
-	iterator->hashCode = -1;
-	iterator->entry = NULL;
-	return iterator;
-}
-
-Boolean hasNextHashMapIterator(HashMapIterator iterator) {
-	return iterator->count < iterator->hashMap->size ? True : False;
-}
-
-HashMapIterator nextHashMapIterator(HashMapIterator iterator) {
-	if (hasNextHashMapIterator(iterator)) {
-		if (iterator->entry != NULL && iterator->entry->next != NULL) {
-			iterator->count++;
-			iterator->entry = iterator->entry->next;
-			return iterator;
-		}
-		while (++iterator->hashCode < iterator->hashMap->listSize) {
-			Entry entry = &iterator->hashMap->list[iterator->hashCode];
-			if (entry->key != NULL) {
-				iterator->count++;
-				iterator->entry = entry;
-				break;
-			}
-		}
-	}
-	return iterator;
-}
-
-void freeHashMapIterator(HashMapIterator * iterator) {
-	free(*iterator);
-	*iterator = NULL;
-}
-
-#define Put(map, key, value) map->put(map, (void *)key, (void *)value);
-#define Get(map, key) (char *)map->get(map, (void *)key)
-#define Remove(map, key) map->remove(map, (void *)key)
-#define Existe(map, key) map->exists(map, (void *)key)
-
-void TestHash() {
-    HashMap map = createHashMap(NULL, NULL);
-    Put(map, "000123", "Annie");
-    Put(map, "000245", "Bob");
-    Put(map, "000284", "Daniel");
-    Put(map, "000281", "Luna");
-    Put(map, "000587", "Yao");
-    Put(map, "000985", "Li Ming");
-    Put(map, "000852", "Janne");
-
-    printf("print the key-values in hashmap:\n");
-    HashMapIterator iterator = createHashMapIterator(map);
-    while (hasNextHashMapIterator(iterator)) {
-        iterator = nextHashMapIterator(iterator);
-        printf("{ key: %s, key: %s, hashcode: %d }\n",
-            (char *)iterator->entry->key, (char *)iterator->entry->value, iterator->hashCode);
-    }
-    printf("key: 000852, exists: %s\n", Existe(map, "000852") ? "true" : "false");
-    printf("000852: %s\n", Get(map, "000852"));
-    printf("remove 000852 %s\n", Remove(map, "000852") ? "true" : "false");
-    printf("key: 000852, exists: %s\n", Existe(map, "000852") ? "true" : "false");
-
-    map->clear(map);
-    freeHashMapIterator(&iterator);
-}
-
+#include <transform.h>
+#include "test_hash.h"
+
+// 默认的哈希函数，将字符串键转换为哈希码
+int defaultHashCode(HashMap hashMap, let key) {
+    char * k = (char *)key;
+    unsigned long h = 0;
+    while (*k) {
+        h = (h << 4) + *k++;
+        unsigned long g = h & 0xF0000000L;
+        if (g) {
+            h ^= g >> 24;
+        }
+        h &= ~g;
+    }
+    return h % hashMap->listSize;
+}
+
+// 默认的键相等判断函数，比较两个字符串是否相等
+Boolean defaultEqual(let key1, let key2) {
+    return strcmp((string)key1, (string)key2) ? False : True;
+}
+
+// 重置哈希表的大小
+void resetHashMap(HashMap hashMap, int listSize) {
+    if (listSize < 8) return;
+
+    // 键值对临时存储空间
+    Entry tempList = newEntryList(hashMap->size);
+
+    HashMapIterator iterator = createHashMapIterator(hashMap);
+    int length = hashMap->size;
+    for (int index = 0; hasNextHashMapIterator(iterator); index++) {
+        // 迭代取出所有键值对
+        iterator = nextHashMapIterator(iterator);
+        tempList[index].key = iterator->entry->key;
+        tempList[index].value = iterator->entry->value;
+        tempList[index].next = NULL;
+    }
+    freeHashMapIterator(&iterator);
+
+    // 清除原有键值对数据
+    hashMap->size = 0;
+    for (int i = 0; i < hashMap->listSize; i++) {
+        Entry current = &hashMap->list[i];
+        current->key = NULL;
+        current->value = NULL;
+        if (current->next != NULL) {
+            while (current->next != NULL) {
+                Entry temp = current->next->next;
+                free(current->next);
+                current->next = temp;
+            }
+        }
+    }
+
+    // 更改内存大小
+    hashMap->listSize = listSize;
+    Entry relist = (Entry)realloc(hashMap->list, hashMap->listSize * sizeof(struct entry));
+    if (relist != NULL) {
+        hashMap->list = relist;
+        relist = NULL;
+    }
+
+    // 初始化数据
+    for (int i = 0; i < hashMap->listSize; i++) {
+        hashMap->list[i].key = NULL;
+        hashMap->list[i].value = NULL;
+        hashMap->list[i].next = NULL;
+    }
+
+    // 将所有键值对重新写入内存
+    for (int i = 0; i < length; i++) {
+        hashMap->put(hashMap, tempList[i].key, tempList[i].value);
+    }
+    free(tempList);
+}
+
+// 默认的键值对插入函数
+void defaultPut(HashMap hashMap, let key, let value) {
+    // 获取哈希值
+    int index = hashMap->hashCode(hashMap, key);
+
+    if (hashMap->list[index].key == NULL) {
+        hashMap->size++;
+        // 该地址为空时直接存储
+        hashMap->list[index].key = key;
+        hashMap->list[index].value = value;
+    }
+    else {
+        Entry current = &hashMap->list[index];
+        while (current != NULL) {
+            if (hashMap->equal(key, current->key)) {
+                // 对于键值已经存在的直接覆盖
+                current->value = value;
+                return;
+            }
+            current = current->next;
+        };
+
+        // 发生冲突则创建节点挂到相应位置的next上
+        Entry entry = newEntry();
+        entry->key = key;
+        entry->value = value;
+        entry->next = hashMap->list[index].next;
+        hashMap->list[index].next = entry;
+        hashMap->size++;
+    }
+
+    if (hashMap->autoAssign && hashMap->size >= hashMap->listSize) {
+        // 内存扩充至原来的两倍
+        resetHashMap(hashMap, hashMap->listSize * 2);
+    }
+}
+
+// 默认的获取值函数
+let defaultGet(HashMap hashMap, let key) {
+    if (hashMap->exists(hashMap, key)) {
+        int index = hashMap->hashCode(hashMap, key);
+        Entry entry = &hashMap->list[index];
+        while (entry != NULL) {
+            if (hashMap->equal(entry->key, key)) {
+                return entry->value;
+            }
+            entry = entry->next;
+        }
+    }
+    return NULL;
+}
+
+// 默认的删除键值对函数
+let defaultRemove(HashMap hashMap, let key) {
+    int index = hashMap->hashCode(hashMap, key);
+    Entry entry = &hashMap->list[index];
+    if (entry->key == NULL) {
+        return NULL;
+    }
+    let entryKey = entry->key;
+    Boolean result = False;
+    if (hashMap->equal(entry->key, key)) {
+        hashMap->size--;
+        if (entry->next != NULL) {
+            Entry temp = entry->next;
+            entry->key = temp->key;
+            entry->value = temp->value;
+            entry->next = temp->next;
+            free(temp);
+        }
+        else {
+            entry->key = NULL;
+            entry->value = NULL;
+        }
+        result = True;
+    }
+    else {
+        Entry p = entry;
+        entry = entry->next;
+        while (entry != NULL) {
+            if (hashMap->equal(entry->key, key)) {
+                hashMap->size--;
+                p->next = entry->next;
+                free(entry);
+                result = True;
+                break;
+            }
+            p = entry;
+            entry = entry->next;
+        };
+    }
+
+    // 如果空间占用不足一半，则释放多余内存
+    if (result && hashMap->autoAssign &&  hashMap->size < hashMap->listSize / 2) {
+        resetHashMap(hashMap, hashMap->listSize / 2);
+    }
+    return entryKey;
+}
+
+// 默认的判断键是否存在函数
+Boolean defaultExists(HashMap hashMap, let key) {
+    int index = hashMap->hashCode(hashMap, key);
+    Entry entry = &hashMap->list[index];
+    if (entry->key == NULL) {
+        return False;
+    }
+    else {
+        while (entry != NULL) {
+            if (hashMap->equal(entry->key, key)) {
+                return True;
+            }
+            entry = entry->next;
+        }
+        return False;
+    }
+}
+
+// 默认的清空哈希表函数
+void defaultClear(HashMap hashMap) {
+    for (int i = 0; i < hashMap->listSize; i++) {
+        // 释放冲突值内存
+        Entry entry = hashMap->list[i].next;
+        while (entry != NULL) {
+            Entry next = entry->next;
+            free(entry);
+            entry = next;
+        }
+        hashMap->list[i].next = NULL;
+    }
+    // 释放存储空间
+    free(hashMap->list);
+    hashMap->list = NULL;
+    hashMap->size = -1;
+    hashMap->listSize = 0;
+}
+
+// 创建一个哈希表
+HashMap createHashMap(HashCode hashCode, Equal equal) {
+    HashMap hashMap = newHashMap();
+    if (hashMap == NULL) {
+        return NULL;
+    }
+    hashMap->size = 0;
+    hashMap->listSize = 8;
+    hashMap->hashCode = hashCode == NULL ? defaultHashCode : hashCode;
+    hashMap->equal = equal == NULL ? defaultEqual : equal;
+    hashMap->exists = defaultExists;
+    hashMap->get = defaultGet;
+    hashMap->put = defaultPut;
+    hashMap->remove = defaultRemove;
+    hashMap->clear = defaultClear;
+    hashMap->autoAssign = True;
+
+    // 起始分配8个内存空间，溢出时会自动扩充
+    hashMap->list = newEntryList(hashMap->listSize);
+    if (hashMap->list == NULL) {
+        return NULL;
+    }
+    Entry p = hashMap->list;
+    for (int i = 0; i < hashMap->listSize; i++) {
+        p[i].key = p[i].value = p[i].next = NULL;
+    }
+    return hashMap;
+}
+
+// 创建一个哈希表迭代器
+HashMapIterator createHashMapIterator(HashMap hashMap) {
+    HashMapIterator iterator = newHashMapIterator();
+    if (iterator == NULL) {
+        return NULL;
+    }
+    iterator->hashMap = hashMap;
+    iterator->count = 0;
+    iterator->hashCode = -1;
+    iterator->entry = NULL;
+    return iterator;
+}
+
+// 判断迭代器是否还有下一个元素
+Boolean hasNextHashMapIterator(HashMapIterator iterator) {
+    return iterator->count < iterator->hashMap->size ? True : False;
+}
+
+// 获取迭代器的下一个元素
+HashMapIterator nextHashMapIterator(HashMapIterator iterator) {
+    if (hasNextHashMapIterator(iterator)) {
+        if (iterator->entry != NULL && iterator->entry->next != NULL) {
+            iterator->count++;
+            iterator->entry = iterator->entry->next;
+            return iterator;
+        }
+        while (++iterator->hashCode < iterator->hashMap->listSize) {
+            Entry entry = &iterator->hashMap->list[iterator->hashCode];
+            if (entry->key != NULL) {
+                iterator->count++;
+                iterator->entry = entry;
+                break;
+            }
+        }
+    }
+    return iterator;
+}
+
+// 释放哈希表迭代器
+void freeHashMapIterator(HashMapIterator * iterator) {
+    free(*iterator);
+    *iterator = NULL;
+}
+
+// 定义简化的宏，用于方便操作哈希表
+
+#define Put(map, key, value) map->put(map, (void *)key, (void *)value);
+#define Get(map, key) (char *)map->get(map, (void *)key)
+#define Remove(map, key) map->remove(map, (void *)key)
+#define Existe(map, key) map->exists(map, (void *)key)
+
+void TestHash() {
+    HashMap map = createHashMap(NULL, NULL);
+    Put(map, "000123", "Annie");
+    Put(map, "000245", "Bob");
+    Put(map, "000284", "Daniel");
+    Put(map, "000281", "Luna");
+    Put(map, "000587", "Yao");
+    Put(map, "000985", "Li Ming");
+    Put(map, "000852", "Janne");
+
+    printf("print the key-values in hashmap:\n");
+    HashMapIterator iterator = createHashMapIterator(map);
+    while (hasNextHashMapIterator(iterator)) {
+        iterator = nextHashMapIterator(iterator);
+        printf("{ key: %s, key: %s, hashcode: %d }\n",
+            (char *)iterator->entry->key, (char *)iterator->entry->value, iterator->hashCode);
+    }
+    printf("key: 000852, exists: %s\n", Existe(map, "000852") ? "true" : "false");
+    printf("000852: %s\n", Get(map, "000852"));
+    printf("remove 000852 %s\n", Remove(map, "000852") ? "true" : "false");
+    printf("key: 000852, exists: %s\n", Existe(map, "000852") ? "true" : "false");
+
+    map->clear(map);
+    freeHashMapIterator(&iterator);
+}
+
 PRIV_SHELL_CMD_FUNCTION(TestHash, Implement hash_map, PRIV_SHELL_CMD_MAIN_ATTR);
\ No newline at end of file