py imp

1410. HTML Entity Parser/main.py

@@ -0,0 +1,23 @@
+class Solution:
+    def entityParser(self, text: str) -> str:
+        replace_dict={"&quot;":'"',"&apos;":"'","&amp;":"&","&gt;":">","&lt;":"<","&frasl;":"/"}
+        res = []
+        flag = False
+        keyword = []
+        for c in text:
+            if c == "&":
+                if flag:
+                    res.append("".join(keyword))
+                flag = True
+                keyword = ["&"]
+            elif flag:
+                keyword.append(c)
+                if c == ";":
+                    keyword = "".join(keyword)
+                    res.append(replace_dict.get(keyword, keyword))
+                    flag = False
+            else:
+                res.append(c)
+        if flag:
+            res.append("".join(keyword))
+        return "".join(res)

1410. HTML Entity Parser/readme.org

@@ -0,0 +1,19 @@
+
+* Solution
+其实可以用 replace 的，只要把 ~&~ 另外判断就可以了。
+#+BEGIN_SRC python
+class Solution:
+    def entityParser(self, text: str) -> str:
+        special = {
+            """: '"',
+            "'": "'",
+            # "&": "&",
+            ">": ">",
+            "&lt;": "<",
+            "&frasl;": "/"}
+
+        for entity, ch in special.items():
+            text = text.replace(entity, ch)
+        text = text.replace("&amp;", "&")
+        return text
+#+END_SRC