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authorplegall <plg@piwigo.org>2015-12-10 14:02:22 +0100
committerplegall <plg@piwigo.org>2015-12-10 14:02:22 +0100
commitfa10e0945ecd45bfe78a2c8fb015a43092b4944b (patch)
tree19cf59c08877e43325efbe9a2584114011a25522 /include/smarty/libs/sysplugins/smarty_internal_runtime_inheritance.php
parent16f6a54fa719cc79ff942e4bb8139d7ca09ed997 (diff)
bug #385 update to smarty-3.1.28-dev (from Github)
Diffstat (limited to 'include/smarty/libs/sysplugins/smarty_internal_runtime_inheritance.php')
-rw-r--r--include/smarty/libs/sysplugins/smarty_internal_runtime_inheritance.php213
1 files changed, 213 insertions, 0 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_runtime_inheritance.php b/include/smarty/libs/sysplugins/smarty_internal_runtime_inheritance.php
new file mode 100644
index 000000000..ed21281d0
--- /dev/null
+++ b/include/smarty/libs/sysplugins/smarty_internal_runtime_inheritance.php
@@ -0,0 +1,213 @@
+<?php
+
+/**
+ * Inheritance Runtime Methods processBlock, endChild, init
+ *
+ * @package Smarty
+ * @subpackage PluginsInternal
+ * @author Uwe Tews
+ *
+ **/
+class Smarty_Internal_Runtime_Inheritance
+{
+
+ /**
+ * State machine
+ * - 0 idle next extends will create a new inheritance tree
+ * - 1 processing child template
+ * - 2 wait for next inheritance template
+ * - 3 assume parent template, if child will loaded goto state 1
+ * a call to a sub template resets the state to 0
+ *
+ * @var int
+ */
+ public $state = 0;
+
+ /**
+ * Array of block parameter of known {block} tags
+ *
+ * @var array
+ */
+ public $blockParameter = array();
+
+ /**
+ * inheritance template nesting level
+ *
+ * @var int
+ */
+ public $inheritanceLevel = 0;
+
+ /**
+ * inheritance template index
+ *
+ * @var int
+ */
+ public $tplIndex = - 1;
+
+ /**
+ * Array of compiled template file path
+ * - key template index
+ * only used when caching is enabled
+ *
+ * @var []string
+ */
+ public $compiledFilePath = array();
+
+ /**
+ * Current {block} nesting level
+ *
+ * @var int
+ */
+ public $blockNesting = 0;
+
+ /**
+ * Initialize inheritance
+ *
+ * @param \Smarty_Internal_Template $tpl template object of caller
+ * @param bool $initChild if true init for child template
+ * @param array $blockNames outer level block name
+ *
+ */
+ public function init(Smarty_Internal_Template $tpl, $initChild, $blockNames = array())
+ {
+ // if template was from an inner block or template is a parent template create new inheritance root
+ if ($initChild && ($this->blockNesting || $this->state == 3)) {
+ $tpl->ext->_inheritance = new Smarty_Internal_Runtime_Inheritance();
+ $tpl->ext->_inheritance->init($tpl, $initChild, $blockNames);
+ return;
+ }
+ // start of child sub template(s)
+ if ($initChild) {
+ $this->state = 1;
+ if (!$this->inheritanceLevel) {
+ //grab any output of child templates
+ ob_start();
+ }
+ $this->inheritanceLevel ++;
+ }
+ // in parent state {include} will not increment template index
+ if ($this->state != 3) {
+ $this->tplIndex ++;
+ }
+ // if state was waiting for parent change state to parent
+ if ($this->state == 2) {
+ $this->state = 3;
+ }
+ }
+
+ /**
+ * End of child template(s)
+ * - if outer level is reached flush output buffer and switch to wait for parent template state
+ *
+ * @param \Smarty_Internal_Template $tpl template object of caller
+ */
+ public function endChild(Smarty_Internal_Template $tpl)
+ {
+ $this->inheritanceLevel --;
+ if (!$this->inheritanceLevel) {
+ ob_end_clean();
+ $this->state = 2;
+ }
+ }
+
+ /**
+ * Process inheritance {block} tag
+ *
+ * $type 0 = {block}:
+ * - search in inheritance template hierarchy for child blocks
+ * if found call it, otherwise call current block
+ * - ignored for outer level blocks in child templates
+ *
+ * $type 1 = {block}:
+ * - nested {block}
+ * - search in inheritance template hierarchy for child blocks
+ * if found call it, otherwise call current block
+ *
+ * $type 2 = {$smarty.block.child}:
+ * - search in inheritance template hierarchy for child blocks
+ * if found call it, otherwise ignore
+ *
+ * $type 3 = {$smarty.block.parent}:
+ * - get block id from parent stack and call parent block
+ *
+ * @param \Smarty_Internal_Template $tpl template object of caller
+ * @param int $type call type see above
+ * @param string $name block name
+ * @param array $block block parameter
+ * @param array $callStack call stack with block parameters
+ *
+ * @throws \SmartyException
+ */
+ public function processBlock(Smarty_Internal_Template $tpl, $type = 0, $name, $block, $callStack = array())
+ {
+ if (!isset($this->blockParameter[$name])) {
+ $this->blockParameter[$name] = array();
+ }
+ if ($this->state == 1) {
+ $block[2] = count($this->blockParameter[$name]);
+ $block[3] = $this->tplIndex;
+ $this->blockParameter[$name][] = $block;
+ return;
+ }
+ if ($type == 3) {
+ if (!empty($callStack)) {
+ array_shift($callStack);
+ if (empty($callStack)) {
+ throw new SmartyException("inheritance: tag {\$smarty.block.parent} used in parent template block '{$name}'");
+ }
+ $block = array_shift($callStack);
+ } else {
+ return;
+ }
+ } else {
+ $blockParameter = &$this->blockParameter[$name];
+ if ($type == 0) {
+ $index = $block[2] = count($blockParameter);
+ $block[3] = $this->tplIndex;
+ $callStack = array(&$block);
+ } elseif ($type == 1) {
+ $block[3] = $callStack[0][3];
+ $index = 0;
+ for ($i = 0; $i < count($blockParameter); $i ++) {
+ if ($blockParameter[$i][3] <= $block[3]) {
+ $index = $blockParameter[$i][2];
+ }
+ }
+ $block[2] = $index;
+ $callStack = array(&$block);
+ } else {
+ $index = $callStack[0][2];
+ if ($index == 0) {
+ return;
+ }
+ $callStack = $block = array(1 => false);
+ }
+ $index --;
+ // find lowest level child block
+ while ($index >= 0 && ($type || !$block[1])) {
+ $block = &$blockParameter[$index];
+ array_unshift($callStack, $block);
+ if ($block[1]) {
+ break;
+ }
+ $index --;
+ }
+ if (isset($block['hide']) && $index <= 0) {
+ return;
+ }
+ }
+ $this->blockNesting ++;
+ if (isset($block['append'])) {
+ $this->processBlock($tpl, 3, $name, null, $callStack);
+ }
+ if (isset($block[6])) {
+ $block[6]($tpl, $callStack);
+ } else {
+ $block[0]($tpl, $callStack);
+ }
+ if (isset($block['prepend'])) {
+ $this->processBlock($tpl, 3, $name, null, $callStack);
+ }
+ $this->blockNesting --;
+ }
+}