145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
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#include "page.h"
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Page::Page()
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{
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}
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std::string Page::getString(std::string& htmlToPhrased)
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{
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makeText(htmlToPhrased);
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return this->text;
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}
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void Page::makeText(std::string& html)
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{
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int index = 0;
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index = runToActualText(html, index); //set index into the actual place where the data is
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manageTableContent(html, index);
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}
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int Page::runToActualText(std::string& from, int index)
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{
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while (index < (int)from.length())
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{
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if (from[index] == '<')
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{
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if (from.substr(index,7) == "<tbody>")
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return index+7;
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}
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index++;
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}
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// while(index < (int)from.length())
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// {
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// if(from[index] == '<')
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// {
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// index++;
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// if(from[index] == '!')
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// {
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// //!--FileName
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// std::string bodyTag = from.substr(index, 11); //!--FileName
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// if(bodyTag == "!--FileName") //check if the tag is body tag
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// {
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// while(from[index] != '>')
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// index++;
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// return index;
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// }
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// }
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// }
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// index++;
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//}
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return -1;
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}
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void Page::manageTableContent(std::string& html, int index)
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{
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std::string temp;
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for (int i = index; i < (int)html.length(); i++)
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{
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if(html[i] == '<')
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{
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//<tr> / <td> / <th>
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std::string endofTable = "</tbody>";
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std::string tableTag = html.substr(i, 4); //legth of "tr/td"
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if(tableTag == "<tr>")
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{
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temp += "\n"; //new row -> new line
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i = stitchText(html, temp, i+4);
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if(i == -1) //EOF
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break;
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}
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else if(tableTag == "<td>" || tableTag == "<th>")
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{
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temp += "\t"; // new cell -> tab between data
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if (html.substr(i, 6) == "<td><a") //link to lecturer portal, need to be deleted
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{
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i += 6;
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while (html.at(++i) != '>');
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i = stitchText(html, temp, i+1);
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}
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else
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i = stitchText(html, temp, i+4);
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if (i == -1) //EOF
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break;
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}
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else if(tableTag == "<td ") // a Year title (in grades table)
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{
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temp += "\t";
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while(html[i] != '>')
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i++;
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i = stitchText(html, temp, i+1);
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}
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else if (html.substr(i,(endofTable).length()) == endofTable) //is end of table
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{
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break;
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}
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}
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}
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this->text = temp;
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}
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int Page::stitchText(std::string& from, std::string& to, int index)
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{
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if (from[index] == '<')
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{
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std::string bTag = from.substr(index, 3);
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if (bTag != "<b>")
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return index-1; //go back one step - for the main function to inc i
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index += 3;
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}
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while (from[index] != '<' && index < (int)from.length())
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{
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if (from[index] == '&')
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{
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//
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std::string nbspChr = from.substr(index, 6);
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if (nbspChr == " ")
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{
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index += 5;
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from.at(index) = ' ';
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}
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}
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if (endOfString(index,(int) from.length()))
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return -1; //EOF
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else if (from[index] == '<')
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return index - 1; //go back one step - for the main function to inc i
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if (from[index] != '\n') //check the actuall data before continue
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to += from[index];
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index++;
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}
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return index-1;
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}
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bool Page::endOfString(int index, int length)
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{
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if(index < length)
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return false;
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return true;
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}
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