File: lib/internal/compile.section_start.php

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File: lib/internal/compile.section_start.php
Role: Example script
Content type: text/plain
Description: Example script
Class: g-template-php
Process and render templates generating PHP code
Author: By
Last change:
Date: 2 years ago
Size: 5,743 bytes
 

 

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<?php
/**
 * gTemplate Internal Function
 * Compiles the 'section' tag
 *
 * @package gTemplate
 * @subpackage internalFunctions
 */


function compile_section_start($attrs, &$gTpl) {
       
$arg_list = array();

       
$output = "<?php \n/* START of Section */\n";

       
$section_name = $attrs['name'];
       
/* Required attr: name */
       
if (empty($section_name)) {
           
$gTpl->trigger_error("[SYNTAX] missing 'name' attribute in 'section' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
        }

       
/* Required attr: loop */
       
if (empty($attrs['loop'])) {
           
$gTpl->trigger_error("[SYNTAX] missing 'loop' attribute in 'section' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
        }

       
$output .= "\$gTpl->_sections['$section_name'] = array();\n";
       
$section_props = "\$gTpl->_sections['$section_name']";

       
//$output .= '/* Setting predefined attributes */'."\n";
       
foreach ($attrs as $attr_name => $attr_value) {
            switch (
$attr_name) {
                case
'name': break;

                case
'loop':
                   
$output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int)\$_loop); unset(\$_loop);\n";
                    break;

                case
'show':
                    if (
is_bool($attr_value))
                       
$show_attr_value = $attr_value ? 'true' : 'false';
                    else
                       
$show_attr_value = "(bool)$attr_value";
                   
$output .= "{$section_props}['show'] = $show_attr_value;\n";
                    break;

                case
'max':
                case
'start':
                   
$output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n";
                    break;

                case
'step':
                   
$output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n";
                    break;

                default:
                   
$gTpl->trigger_error("[SYNTAX] unknown attribute '$attr_name' in 'section' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
                    break;
            }
        }

       
//$output .= '/* END of Setting predefined attributes */'."\n";
        //$output .= "\n".'/* Setting default values for attributes */'."\n";

       
if (!isset($attrs['show']))
           
$output .= "{$section_props}['show'] = true;\n";

        if (!isset(
$attrs['loop']))
           
$output .= "{$section_props}['loop'] = 1;\n";

        if (!isset(
$attrs['max']))
           
$output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
        else
           
$output .= "if ({$section_props}['max'] < 0)\n" .
                      
" {$section_props}['max'] = {$section_props}['loop'];\n";

        if (!isset(
$attrs['step']))
           
$output .= "{$section_props}['step'] = 1;\n";

        if (!isset(
$attrs['start']))
           
$output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
        else {
           
$output .= "if ({$section_props}['start'] < 0)\n" .
                      
" {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" .
                      
"else\n" .
                      
" {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
        }

       
//$output .= "/* Determine Total loops */\n"
       
$output .= "if ({$section_props}['show']) {\n";
        if (!isset(
$attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) {
           
$output .= " {$section_props}['total'] = {$section_props}['loop'];\n";
        } else {
           
$output .= " {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n";
        }
       
$output .= " if ({$section_props}['total'] == 0)\n" .
                  
" {$section_props}['show'] = false;\n" .
                  
"} else\n" .
                  
" {$section_props}['total'] = 0;\n";

       
//$output .= "/* END of Determine Total loops */\n";
        //$output .= '/* END of Setting default values for attributes */'."\n";

       
$output .= "if ({$section_props}['show']):";

   
$output .= "
        for (
{$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
            
{$section_props}['iteration'] <= {$section_props}['total'];
            
{$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";

       
$output .= "?>";

        return
$output;


       
$output .= "
            for (
{$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
                
{$section_props}['iteration'] <= {$section_props}['total'];
                
{$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
       
$output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
       
$output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
       
$output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
       
$output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n";
       
$output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n";

       
$output .= "?>";

        return
$output;


}


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