jce-manager/src/grades/Page.cpp

#include "Page.h"

Page::Page(std::string& html)
{
	makeText(html);
}
void Page::makeText(std::string& html)
{
	int index = 0;
	index = findTitle(html, index);
	index = runToActualText(html, index); //set index into the actual place where the data is
	manageTableContent(html, index);
}

int Page::findTitle(std::string& from, int index)
{
	std::string temp;
	while(index < (int)from.length())
	{
		if(from[index] == '<')
		{
			//title>
			index++;
			std::string titleTag = from.substr(index, 5); //legth of title
			if(titleTag == "title") //check if the tag is title
			{
				while(from[index] != '>')
					index++;
				index++;
				while(from[index] != '<')
				{
					temp += from[index];
					index++;
				}
				this->title = temp; //sets the title
				return index;
			}
		}

		index++;
	}
	return -1;			
}

int Page::runToActualText(std::string& from, int index)
{
	while(index < (int)from.length())
	{
		if(from[index] == '<')
		{
			index++;
			if(from[index] == '!')
			{
				//!--FileName
				std::string bodyTag = from.substr(index, 11); //!--FileName

				if(bodyTag == "!--FileName") //check if the tag is body tag
				{
					while(from[index] != '>')
						index++;
					return index;
				}
			}
		}
		index++;
	}
	return -1;
}

void Page::manageTableContent(std::string& html, int index)
{
	std::string temp;
	for (int i = index; i < (int)html.length(); i++)
	{
		if(html[i] == '<')
		{
			//<tr> / <td> / <th>
			std::string endofTable = "</tbody>";
			std::string tableTag = html.substr(i, 4); //legth of "tr/td"
			if(tableTag == "<tr>")
			{
				temp += "\n"; //new row -> new line
				i = stitchText(html, temp, i+4);
				if(i == -1) //EOF
					break;
			}
			else if(tableTag == "<td>" || tableTag == "<th>")
			{
				temp += "\t"; // new cell -> tab between data	
				i = stitchText(html, temp, i+4);
				if (i == -1) //EOF
					break;
			}
			else if(tableTag == "<td ") // a Year title (in grades table)
			{
				temp += "\t";
				while(html[i] != '>')
					i++;
				i = stitchText(html, temp, i+1);
			}
			else if (html.substr(i,(endofTable).length()) == endofTable) //is end of table
			{
				break;
			}
		}

	}

	this->text = temp;
}

int Page::stitchText(std::string& from, std::string& to, int index)
{
	if (from[index] == '<')
	{
		std::string bTag = from.substr(index, 3);
		if (bTag != "<b>")
			return index-1; //go back one step - for the main function to inc i
		index += 3;
	}

	while (from[index] != '<' && index < (int)from.length())
	{	
		if (from[index] == '&')
		{
			//&nbsp;
			std::string nbspChr = from.substr(index, 6);
			if (nbspChr == "&nbsp;")
			{
				index += 5;
				from.at(index) = ' ';
			}

		}

        if (endOfString(index,(int) from.length()))
			return -1; //EOF

		else if (from[index] == '<')
			return index - 1; //go back one step - for the main function to inc i

		if (from[index] != '\n') //check the actuall data before continue
				to += from[index];
		index++;
	}

	return index-1;
}
bool Page::endOfString(int index, int length)
{
	if(index < length)
		return false;
	return true;
}

std::string Page::getString()
{
	return this->text;
}

std::string Page::getTitle()
{
	return this->title;
}