diff options
Diffstat (limited to 'include/smarty/libs/sysplugins/smarty_internal_compile_for.php')
| -rw-r--r-- | include/smarty/libs/sysplugins/smarty_internal_compile_for.php | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_compile_for.php b/include/smarty/libs/sysplugins/smarty_internal_compile_for.php new file mode 100644 index 000000000..057f4fb79 --- /dev/null +++ b/include/smarty/libs/sysplugins/smarty_internal_compile_for.php @@ -0,0 +1,151 @@ +<?php +/** + * Smarty Internal Plugin Compile For + * + * Compiles the {for} {forelse} {/for} tags + * + * @package Smarty + * @subpackage Compiler + * @author Uwe Tews + */ + +/** + * Smarty Internal Plugin Compile For Class + * + * @package Smarty + * @subpackage Compiler + */ +class Smarty_Internal_Compile_For extends Smarty_Internal_CompileBase { + + /** + * Compiles code for the {for} tag + * + * Smarty 3 does implement two different sytaxes: + * + * - {for $var in $array} + * For looping over arrays or iterators + * + * - {for $x=0; $x<$y; $x++} + * For general loops + * + * The parser is gereration different sets of attribute by which this compiler can + * determin which syntax is used. + * + * @param array $args array with attributes from parser + * @param object $compiler compiler object + * @param array $parameter array with compilation parameter + * @return string compiled code + */ + public function compile($args, $compiler, $parameter) + { + if ($parameter == 0) { + $this->required_attributes = array('start', 'to'); + $this->optional_attributes = array('max', 'step'); + } else { + $this->required_attributes = array('start', 'ifexp', 'var', 'step'); + $this->optional_attributes = array(); + } + // check and get attributes + $_attr = $this->getAttributes($compiler, $args); + + $output = "<?php "; + if ($parameter == 1) { + foreach ($_attr['start'] as $_statement) { + $output .= " \$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;"; + $output .= " \$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value];\n"; + } + $output .= " if ($_attr[ifexp]){ for (\$_foo=true;$_attr[ifexp]; \$_smarty_tpl->tpl_vars[$_attr[var]]->value$_attr[step]){\n"; + } else { + $_statement = $_attr['start']; + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;"; + if (isset($_attr['step'])) { + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->step = $_attr[step];"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->step = 1;"; + } + if (isset($_attr['max'])) { + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->total = (int)min(ceil((\$_smarty_tpl->tpl_vars[$_statement[var]]->step > 0 ? $_attr[to]+1 - ($_statement[value]) : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$_statement[var]]->step)),$_attr[max]);\n"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->total = (int)ceil((\$_smarty_tpl->tpl_vars[$_statement[var]]->step > 0 ? $_attr[to]+1 - ($_statement[value]) : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$_statement[var]]->step));\n"; + } + $output .= "if (\$_smarty_tpl->tpl_vars[$_statement[var]]->total > 0){\n"; + $output .= "for (\$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value], \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration = 1;\$_smarty_tpl->tpl_vars[$_statement[var]]->iteration <= \$_smarty_tpl->tpl_vars[$_statement[var]]->total;\$_smarty_tpl->tpl_vars[$_statement[var]]->value += \$_smarty_tpl->tpl_vars[$_statement[var]]->step, \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration++){\n"; + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->first = \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration == 1;"; + $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->last = \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration == \$_smarty_tpl->tpl_vars[$_statement[var]]->total;"; + } + $output .= "?>"; + + $this->openTag($compiler, 'for', array('for', $compiler->nocache)); + // maybe nocache because of nocache variables + $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; + // return compiled code + return $output; + } + +} + +/** + * Smarty Internal Plugin Compile Forelse Class + * + * @package Smarty + * @subpackage Compiler + */ +class Smarty_Internal_Compile_Forelse extends Smarty_Internal_CompileBase { + + /** + * Compiles code for the {forelse} tag + * + * @param array $args array with attributes from parser + * @param object $compiler compiler object + * @param array $parameter array with compilation parameter + * @return string compiled code + */ + public function compile($args, $compiler, $parameter) + { + // check and get attributes + $_attr = $this->getAttributes($compiler, $args); + + list($openTag, $nocache) = $this->closeTag($compiler, array('for')); + $this->openTag($compiler, 'forelse', array('forelse', $nocache)); + return "<?php }} else { ?>"; + } + +} + +/** + * Smarty Internal Plugin Compile Forclose Class + * + * @package Smarty + * @subpackage Compiler + */ +class Smarty_Internal_Compile_Forclose extends Smarty_Internal_CompileBase { + + /** + * Compiles code for the {/for} tag + * + * @param array $args array with attributes from parser + * @param object $compiler compiler object + * @param array $parameter array with compilation parameter + * @return string compiled code + */ + public function compile($args, $compiler, $parameter) + { + // check and get attributes + $_attr = $this->getAttributes($compiler, $args); + // must endblock be nocache? + if ($compiler->nocache) { + $compiler->tag_nocache = true; + } + + list($openTag, $compiler->nocache) = $this->closeTag($compiler, array('for', 'forelse')); + + if ($openTag == 'forelse') { + return "<?php } ?>"; + } else { + return "<?php }} ?>"; + } + } + +} + +?>
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