<?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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