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// Name: msglm
// Date: September 2nd, 2022
// Program Name: HTML Parser
// Description: removes HTML from inputted string.
//any code with /// is merely commented out debug code.
#include <iostream>
#include <string>
using namespace std;
//Takes input from user
string in() {
//I personally dislike C++'s streaming capabilities
//They aren't like Bash pipes and that's a blunder
//I wish I could do getline(cin, '\n') >> return; or getline(cin, '\n') | return;
string userInput;
getline(cin, userInput, '\n');
return userInput;
}
//processes the input data
//this is the only process in the entire program thus the
//term "proc" is accurate. We don't process data in in() or out().
//
//How this works is it takes a string, and goes through it char-by-char,
//once it hits a < it notes its position and marks a flag
//then it does the same for the next >, marking its pos and marking a flag.
//once the < and > flags have been raised, the total
//length of the tag that was detected is calculated, and then the string itself is sliced
//
//from there a small bit of clean up is necessary, restarting
//the position counter to count from the start
//and resetting the flags.
string proc(string userInput) {
bool insideATag = false;
bool metTheTagTerminator = false;
int beginBracketPos;
int endBracketPos;
int tagLength;
for (int charPos=0; charPos<=userInput.length();charPos++) {
if (insideATag && metTheTagTerminator) {
///cout << "tag found at " << beginBracketPos << " and " << endBracketPos << endl;
///cout << "Full String:" << userInput << endl;
//Tag length only exists because std::String.erase() doesn't accept
//a range, but rather a start and the chars to go. it's accursed.
tagLength = (endBracketPos-beginBracketPos)+1;
userInput.erase(beginBracketPos, tagLength);
charPos = 0;
insideATag = false;
metTheTagTerminator = false;
}
if (userInput[charPos] == '<') {
insideATag = true;
beginBracketPos = charPos;
}
if (userInput[charPos] == '>' && insideATag) {
metTheTagTerminator = true;
endBracketPos = charPos;
}
///cout << "char pos: " << charPos << ";" << "char: " << userInput[charPos] << endl;
}
return userInput;
}
//Outs to screen
void out(string processedString) {
cout << "sanitized: " << processedString << endl;
}
int main() {
//LISP called, they want their () back.
out(proc(in()));
}
/*
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License Version 3 ONLY as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
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