/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2011, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include "templates.h"
#include "misc.h"
#include "core/request.h"
#include "core/misc.h"


// max 20 nested insert_page ezc functions allowed
#define WINIX_TEMPLATES_INSERT_PAGE_MAX 20



namespace TemplatesFunctions
{

struct InsertPageInfo
{
	std::vector<Item*>	dirs;
	Item				item;
	EzcGen				ezc_gen;
	HtmlTextStream		run_content;
};


static InsertPageInfo insert_page_info[WINIX_TEMPLATES_INSERT_PAGE_MAX];
size_t insert_page_cur   = 0;
size_t insert_page_reqid = 0;



void insert_page_run(Info & i)
{
	InsertPageInfo & info = insert_page_info[insert_page_cur];
	Ezc::Pattern * pat    = pattern_cacher.GetPattern(info.item);

	log << log4 << "Templates: insert_page_run: using generator number: " << insert_page_cur << logend;
	insert_page_cur += 1;

	info.run_content.Clear();
	info.ezc_gen.SetMax(config->ezc_max_elements, config->ezc_max_loop_elements);
	info.ezc_gen.Generate(info.run_content, *pat);
	item_print_content(i.out, info.run_content.Str(), info.item.content_type);

	insert_page_cur -= 1;
}



bool insert_page_init(const std::wstring & path)
{
	if( path.empty() )
		return false;

	if( insert_page_reqid != cur->request->id )
	{
		insert_page_reqid = cur->request->id;
		insert_page_cur   = 0;
	}

	if( insert_page_cur >= WINIX_TEMPLATES_INSERT_PAGE_MAX )
	{
		log << log1 << "Templates: insert_page: maximum nested insert_page functions exceeded" << logend;
		return false;
	}

return true;
}



void insert_page(Info & i)
{
	if( !insert_page_init(i.par) )
		return;

	InsertPageInfo & info = insert_page_info[insert_page_cur];

	if( system->FollowAllLinks(cur->request->dir_tab, i.par, info.dirs, info.item) == 1 )
	{
		if( system->HasReadExecAccess(info.item) )
			insert_page_run(i);
		else
		if( system->HasReadAccess(info.item) )
			item_print_content(i.out, info.item.content, info.item.content_type);
	}
}






} // namespace TemplatesFunctions