Reto mouredev#11: Python

Retos/Reto #11 - URL PARAMS [Fácil]/python/klyone.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+
+def add_new_parameter(parameters, param, value):
+    parameters.append({param : value})
+
+def search_parameter_delimiter(url):
+    delimiter_index = -1
+    if url == "":
+        return delimiter_index
+
+    for i in range(len(url)):
+        c = url[i]
+        if c == "?":
+            delimiter_index = i
+            break
+
+    return delimiter_index
+
+def is_parameter_valid(name, value, filling):
+    return (name != "" and ((not filling) or (filling and value != "")))
+
+def extract_url_parameters(url):
+    parameters = []
+
+    delimiter_index = search_parameter_delimiter(url)
+    if delimiter_index == -1:
+        return []
+
+    parameter_name = ""
+    parameter_value = ""
+    filling_parameter_value = False
+
+    for i in range(delimiter_index+1, len(url)):
+        c = url[i]
+        if c == "=":
+            parameter_value = ""
+            filling_parameter_value = True
+        elif c == "&":
+            if is_parameter_valid(parameter_name, parameter_value, filling_parameter_value):
+                add_new_parameter(parameters, parameter_name, parameter_value)
+            filling_parameter_value = False
+            parameter_name = ""
+            parameter_value = ""
+        else:
+            if filling_parameter_value:
+                parameter_value = parameter_value + c
+            else:
+                parameter_name = parameter_name + c
+
+    if is_parameter_valid(parameter_name, parameter_value, filling_parameter_value):
+        add_new_parameter(parameters, parameter_name, parameter_value)
+
+    return parameters
+
+if __name__ == "__main__":
+    print(extract_url_parameters(""))
+    print(extract_url_parameters("http://myweb.com"))
+    print(extract_url_parameters("https://www.myweb.com"))
+    print(extract_url_parameters("http://myweb.com?"))
+    print(extract_url_parameters("http://myweb.com?a"))
+    print(extract_url_parameters("http://myweb.com?a="))
+    print(extract_url_parameters("http://myweb.com?a=hello"))
+    print(extract_url_parameters("http://myweb.com?a=hello&"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b="))
+    print(extract_url_parameters("http://myweb.com?a=hello&b=bye"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b=bye&"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b=bye&c"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b=bye&c="))
+    print(extract_url_parameters("http://myweb.com?a=hello&b=bye&c=hey"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b&c=hey"))
+    print(extract_url_parameters("http://myweb.com?a=hello&b=&c=hey"))
+    print(extract_url_parameters("http://myweb.com?a=hello&&c=hey"))