大模拟训练计划

Markdown编辑器
第十一次CCF-CSP计算机软件能力认证

题目传送门

#include <iostream>
#include <cstring>
#include <algorithm>

using namespace std;

string get(string t)
{
	int pos = 1;
	while (t[pos] == ' ') pos ++ ;
	string res;
	int sz = t.size();
	while (pos < sz) res += t[pos], pos ++ ;
	return res;
}

int find(string str, string t)
{
	int sz = str.size();
	for (int i = 0; i < sz; i ++ )
		if (str[i] == t[0])
			return 0;
	return -1;
}

void change1(string& t)
{
	while (find(t, "_") != -1)
	{
		int pos = 0;
		while (t[pos] != '_') pos ++ ;
		t.erase(pos, 1);
		t.insert(pos, "<em>");
		pos = 0;
		while (t[pos] != '_') pos ++ ;
		t.erase(pos, 1);
		t.insert(pos, "</em>");
	}
}

void change2(string& t)
{
	while (find(t, "[") != -1)
	{
		int pos = 0, st, ed;
		while (t[pos] != '[') pos ++ ;
		st = pos;
		string res = "<a href=\"";
		string Text, Link;
		pos ++ ;
		while (t[pos] != ']') Text += t[pos], pos ++ ;
		pos += 2;
		while (t[pos] != ')') Link += t[pos], pos ++ ;
		ed = pos;
		t.erase(st, ed - st + 1);
		t.insert(st, res + Link + "\">" + Text + "</a>");
	}
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	
	string t;
	while (getline(cin, t))
	{
		while (!t.size())
			if (!getline(cin, t)) return 0;
		
		change1(t), change2(t);
		if (t[0] == '#')
		{
			int sz = t.size();
			int pos = 1;
			int cnt = 1;
			while (t[pos] == '#') pos ++, cnt ++ ;
			while (t[pos] == ' ') pos ++ ;
			string res = "";
			while (pos < sz) res += t[pos], pos ++ ;
			cout << "<h" << cnt << '>' << res << "</h" << cnt << ">\n";
			if (!getline(cin, t)) return 0;
		}
		else if (find(t, "#") == -1 && find(t, "*") == -1)
		{
			cout << "<p>" << t;
			if (!getline(cin, t)) return cout << "</p>\n", 0;
			if (t.size()) cout << '\n';
			while (t.size())
			{
				change1(t), change2(t);
				cout << t;
				if (!getline(cin, t)) return cout << "</p>\n", 0;
				if (t.size()) cout << '\n';
			}
			cout << "</p>\n";
		}
		else if (t[0] == '*')
		{
			cout << "<ul>\n";
			string str = get(t);
			cout << "<li>" << str << "</li>\n";
			if (!getline(cin, t)) return cout << "</ul>\n", 0;
			while (t.size())
			{
				change1(t), change2(t);
				str = get(t);
				cout << "<li>" << str << "</li>\n";
				if (!getline(cin, t)) return cout << "</ul>\n", 0;
			}
			cout << "</ul>\n";
		}
	}
	
	return 0;
}