TechCrunchAPI

/*
	Searches for a child node with a given class name

	className: the class name to search for.
	parent: the parent that contains the children.
*/
function SearchChildNodesByClassName(parent, className) {
	for (var i = 0; i < parent.childNodes.length; i++) {
		if(parent.childNodes[i].className.search(className) != -1) {
			return parent.childNodes[i];
		}
	}
}

/*
	Searches for a child node with a given local name (like div, tb, body... etc)

	localName: the local name to search for.
	parent: the parent that contains the children.
*/
function SearchChildNodesByLocalName(parent, localName) {
	for (var i = 0; i < parent.childNodes.length; i++) {
		if(parent.childNodes[i].localName == localName) {
			return parent.childNodes[i];
		}
	}
}




/*
	Get the name of the company from the profile

	profile: a TechCrunch startup from the Startup Alley
*/
function GetName(profile) {
	var center = SearchChildNodesByClassName(profile, "tcProfileCenter");
	var centerRight = SearchChildNodesByClassName(center, "tcProfileCenterRight");
	var name = SearchChildNodesByClassName(centerRight, "tc_profileTitle");
	return name.textContent;
}

/*
	Get the email from a profile

	profile: a TechCrunch startup from the Startup Alley
*/
function GetEmail(profile) {
	var center = SearchChildNodesByClassName(profile, "tcProfileCenter");
	var centerRight = SearchChildNodesByClassName(center, "tcProfileCenterRight");
	var email = SearchChildNodesByClassName(centerRight, "tc_profileEmail");
	var emailSpan = SearchChildNodesByLocalName(email, "span");
	var emailA = SearchChildNodesByLocalName(emailSpan, "a");
	return emailA.textContent;
}

/*
	Get the funding from a profile

	profile: a TechCrunch startup from the Startup Alley
*/
function GetFunding(profile) {
	var center = SearchChildNodesByClassName(profile, "tcProfileCenter");
	var centerRight = SearchChildNodesByClassName(center, "tcProfileCenterRight");
	var funding = SearchChildNodesByClassName(centerRight, "tc_profileFund");
	var fundSpan = SearchChildNodesByLocalName(funding, "span");
	return fundSpan.textContent;
}

/*
	Get the investors from a profile

	profile: a TechCrunch startup from the Startup Alley
*/
function GetInvestors(profile) {
	var center = SearchChildNodesByClassName(profile, "tcProfileCenter");
	var centerRight = SearchChildNodesByClassName(center, "tcProfileCenterRight");
	var investors = SearchChildNodesByClassName(centerRight, "tc_profileInv");
	var invSpan = SearchChildNodesByLocalName(investors, "span");
	return invSpan.textContent;
}

/*
	Get the description from a profile

	profile: a TechCrunch startup from the Startup Alley
*/
function GetDescription(profile) {
	var center = SearchChildNodesByClassName(profile, "tcProfileCenter");
	var centerRight = SearchChildNodesByClassName(center, "tcProfileCenterRight");
	var description = SearchChildNodesByClassName(centerRight, "tc_profileDesc");
	var descPara = SearchChildNodesByLocalName(description, "p");
	return descPara.textContent;
}


/*
	Gets all the profiles

*/
function GetProfiles() {
	return [].slice.call(document.getElementsByClassName("tcProfile"));
}

/*
	Gets the data from a profile

	profile: a TechCrunch startup from the Startup Alley
*/
function GetProfileData(profile) {
	return {
		name: GetName(profile),
		email: GetEmail(profile),
		funding: GetFunding(profile),
		investors: GetInvestors(profile),
		description: GetDescription(profile)
	};
}